gcc/ChangeLog

   1 2008-05-21  David S. Miller  <davem@davemloft.net>
   2
   3         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
   4         tmake_file.
   5
   6 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
   7
   8         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
   9         once finished.
  10
  11 2008-05-20  David Daney  <ddaney@avtrex.com>
  12
  13         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
  14         UNSPEC_SYNC_OLD_OP_12,
  15         UNSPEC_SYNC_EXCHANGE_12): New define_constants.
  16         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER,
  17         UNSPEC_SET_GOT_VERSION,
  18         UNSPEC_UPDATE_GOT_VERSION): Renumber.
  19         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
  20         (atomic_hiqi_op): New define_code_iterator.
  21         (sync_compare_and_swap<mode>): Call
  22         mips_expand_atomic_qihi instead of
  23         mips_expand_compare_and_swap_12.
  24         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
  25         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to
  26         MIPS_COMPARE_AND_SWAP_12.
  27         (sync_<optab><mode>, sync_old_<optab><mode>,
  28         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
  29         sync_new_nand<mode>): New define_expands for HI and QI mode
  30         operands.
  31         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
  32         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
  33         (sync_lock_test_and_set<mode>): New define_expand for HI and QI
  34         modes.
  35         (test_and_set_12): New insn.
  36         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
  37         sync_new_<optab><mode>, sync_old_nand<mode>,
  38         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
  39         clobber to operand 0 for SI and DI mode insns.
  40         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
  41         mips_gen_fn_4): New typedefs.
  42         (mips_gen_fn_ptrs): Define new union type.
  43         (mips_expand_compare_and_swap_12): Remove declaration.
  44         (mips_expand_atomic_qihi): Declare function.
  45         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
  46         (mips_expand_atomic_qihi): ... this.  Use new generator function
  47         parameter.
  48         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
  49         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
  50         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
  51         MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
  52         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
  53         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
  54         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
  55         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
  56         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
  57         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
  58         MIPS_SYNC_EXCHANGE_12_ZERO_OP,
  59         MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
  60
  61 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
  62
  63         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
  64         the missing break.
  65
  66 2008-05-20  Anatoly Sokolov <aesok@post.ru>
  67
  68         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
  69         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
  70         (avr_attribute_table): Add 'OS_main' function attribute.
  71         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
  72         functions with 'OS_main' attribute.
  73
  74 2008-05-20  Richard Guenther  <rguenther@suse.de>
  75
  76         PR tree-optimization/35204
  77         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
  78         helper, split out from ...
  79         (DFS): ... here.  Make the DFS walk non-recursive.
  80
  81 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
  82             Jan Sjodin  <jan.sjodin@amd.com>
  83
  84         PR tree-optimization/36181
  85         * tree-parloops.c (loop_has_vector_phi_nodes): New.
  86         (parallelize_loops): Don't parallelize when the loop has vector
  87         phi nodes.
  88
  89 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
  90             Sebastian Pop  <sebastian.pop@amd.com>
  91
  92         * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
  93         and never look at the tree representation of the memory accesses.
  94         (linear_transform_loops): Computes parameters and access matrices.
  95         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
  96         (access_matrix_get_index_for_parameter): New.
  97         * tree-data-ref.h (struct access_matrix): New.
  98         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
  99         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
 100         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
 101         am_vector_index_for_loop): New.
 102         (struct data_reference): Add field access_matrix.
 103         (DR_ACCESS_MATRIX): New.
 104         (compute_data_dependences_for_loop): Update declaration.
 105         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
 106         * lambda.h (lambda_vector_vec_p): Declared.
 107         * lambda-code.c: Depend on pointer-set.h.
 108         (lambda_collect_parameters_from_af, lambda_collect_parameters,
 109         av_for_af_base, av_for_af, build_access_matrix,
 110         lambda_compute_access_matrices): New.
 111         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
 112
 113 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
 114
 115         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
 116         $SOURCEDIR/include.
 117
 118 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 119             Sebastian Pop  <sebastian.pop@amd.com>
 120
 121         PR tree-optimization/36206
 122         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
 123         FOLD_CONVERSIONS.
 124         (instantiate_scev_1): Rename flags to fold_conversions.
 125         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
 126         outeside instantiation_loop.
 127         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
 128         (evolution_function_is_affine_or_constant_p): Removed.
 129         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
 130         instantiate_scev.
 131         (analyze_siv_subscript): Pass in the loop nest number.
 132         Call evolution_function_is_affine_in_loop instead of
 133         evolution_function_is_affine_p.
 134         (analyze_overlapping_iterations): Pass in the loop nest number.
 135
 136 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
 137             Sebastian Pop  <sebastian.pop@amd.com>
 138
 139         PR tree-optimization/36206
 140         * tree-chrec.h (chrec_fold_op): New.
 141         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
 142         other trees.
 143
 144 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
 145
 146         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
 147         (DIRS_EQ): New.
 148         (remove_duplicates): Do not set inode on non-inode systems.  Use
 149         DIRS_EQ.
 150
 151 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
 152
 153         * config.gcc (tm_file): Update comments about relative pathnames.
 154
 155 2008-05-20  Richard Guenther  <rguenther@suse.de>
 156
 157         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
 158         infrastructure.
 159         * tree-ssa-sccvn.c (process_scc): Likewise.
 160         * tree-ssa-sink.c (execute_sink_code): Likewise.
 161         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
 162         * tree-vrp.c (process_assert_insertions): Likewise.
 163         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
 164         (perform_tree_ssa_dce): Likewise.
 165         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
 166         (dump_dominator_optimization_stats): Likewise.
 167         * tree-vectorizer.c (vectorize_loops): Likewise.
 168
 169 2008-05-20  Richard Guenther  <rguenther@suse.de>
 170
 171         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
 172
 173 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
 174
 175         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
 176         (ix86_i386elf_return_in_memory): Likewise.
 177         (ix86_i386interix_return_in_memory): Likewise.
 178         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
 179         (SUBTARGET_RETURN_IN_MEMORY): New.
 180         * config/i386/i386elf.h: Likewise.
 181         * config/i386/ptx4-i.h: Likewise.
 182         * config/i386/sol2-10.h: Likewise.
 183         * config/i386/sysv4.h: Likewise.
 184         * config/i386/vx-common.h: Likewise.
 185         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
 186         * config/i386/i386.c (ix86_return_in_memory): Made static and
 187         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
 188         (ix86_i386elf_return_in_memory): Removed.
 189         (ix86_i386interix_return_in_memory): Removed.
 190         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
 191         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
 192
 193 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
 194
 195         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
 196
 197 2008-05-19  Xinliang David Li  <davidxl@google.com>
 198
 199         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
 200         * opts.c: Ditto.
 201         * common.opt: Ditto.
 202         * doc/invoke.texi: Ditto.
 203
 204 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
 205
 206         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
 207         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
 208
 209 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 210
 211         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
 212         sizes of operand array from 8/4 to 4/2.
 213         (ix86_expand_vector_init_general): Change size of operand array
 214         from 32 to 16.  Remove op0, op1 and half_mode.
 215
 216 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 217
 218         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
 219         (ix86_expand_vector_init_interleave): Likewise.
 220         (ix86_expand_vector_init_general): Use them.  Assert word_mode
 221         == SImode when n_words == 4.
 222
 223 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
 224
 225         * config/i386/i386.c (ix86_secondary_reload): New static function.
 226         (TARGET_SECONDARY_RELOAD): New define.
 227         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 228         * config/i386/i386.md (reload_outqi): Remove.
 229
 230 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 231
 232         PR middle-end/35509
 233         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
 234         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
 235         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
 236         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
 237         (fold_builtin_1): Likewise.
 238         * builtins.def (BUILT_IN_ISINF_SIGN): New.
 239         c-common.c (check_builtin_function_arguments): Handle
 240         BUILT_IN_ISINF_SIGN.
 241         * doc/extend.texi: Document __builtin_isinf_sign.
 242         * fold-const.c (operand_equal_p): Handle COND_EXPR.
 243
 244 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
 245
 246         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
 247         EH cleanup at the end of the pass, search for those that have been
 248         turned into forwarder blocks and do the cleanup on their successor.
 249
 250 2008-05-18  Richard Guenther  <rguenther@suse.de>
 251
 252         * tree-cfg.c (verify_gimple_expr): Allow conversions from
 253         pointers to sizetype and vice versa.
 254
 255 2008-05-18 Xinliang David Li   <davidxl@google.com>
 256
 257         * gcc/tree-ssa-dce.c: Coding style fix.
 258         (check_pow): Documentation comment.
 259         (check_log): Documenation comment. Coding style fix.
 260         (is_unnecessary_except_errno_call): Ditto.
 261         (gen_conditions_for_pow): Ditto.
 262         (gen_conditions_for_log): Ditto.
 263         (gen_shrink_wrap_conditions): Ditto.
 264         (shrink_wrap_one_built_in_calls): Ditto.
 265         * gcc/doc/invoke.texi: Better documentation string.
 266         * ChangeLog: Fix wrong change log entries from
 267         May 17 checkin on function call DCE.
 268
 269 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 270
 271         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
 272
 273 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
 274
 275         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
 276         * df-problems.c (simulation routines): Fixed block comment to
 277         properly say how to add forwards scanning functions.
 278
 279 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 280
 281         * tree-inline.c (setup_one_parameter): Remove dead code.
 282
 283 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 284
 285         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
 286         a BIT_AND_EXPR only for an INTEGER_TYPE.
 287
 288 2008-05-17 Xinliang David Li   <davidxl@google.com>
 289
 290         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
 291         (check_pow, check_log, is_unnecessary_except_errno_call): New
 292         functions to check for eliminating math functions that are pure
 293         except for setting errno.
 294         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
 295         general condition expressions for shrink-wrapping pow/log calls.
 296         (gen_shrink_wrap_conditions): Ditto.
 297         (shrink_wrap_one_built_in_call): Ditto.
 298         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
 299         (mark_operand_necessary): If debugging, output if OP is necessary.
 300         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
 301         unnecessary.
 302         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
 303         opt level >= 2.
 304         * gcc/common.opt: New user flag -ftree-builtin-dce.
 305         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
 306
 307 2008-05-16  David S. Miller  <davem@davemloft.net>
 308
 309         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
 310         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 311
 312 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
 313
 314         PR target/36246
 315         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
 316
 317 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 318
 319         * ifcvt.c (dead_or_predicable): Rename
 320         df_simulate_one_insn_backwards to df_simulate_one_insn.
 321         * recog.c (peephole2_optimize): Ditto.
 322         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
 323         Ditto.
 324         * df.h: Rename df_simulate_one_insn_backwards to
 325         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
 326         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
 327         scanning of defs and uses.
 328         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
 329         (df_simulate_one_insn_forwards): Removed.
 330
 331 2008-05-16  Doug Kwan  <dougkwan@google.com>
 332
 333         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
 334         QNaN & SNaN.
 335         (real_from_string): Handle NaNs and Inf as approriate.
 336
 337 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 338
 339         * doc/gty.texi (Source Files Containing Type Information): Note
 340         that headers should appear first in the gtfiles list.
 341
 342 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 343
 344         * tree.def (COND_EXEC): Properly documented this code.
 345
 346 2008-05-16  Diego Novillo  <dnovillo@google.com>
 347
 348         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
 349         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
 350         the new field.
 351
 352 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 353
 354         * tree-ssa-dse (max_stmt_uid): Removed.
 355         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
 356         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
 357         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
 358         * function.h (cfun.last_stmt_uid): New field.
 359         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
 360         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
 361         New functions.
 362         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
 363         (create_stmt_ann): Initialize the ann->uid field.
 364         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
 365         with new calls.
 366         * tree-flow.h (renumber_gimple_stmt_uids): New function.
 367
 368 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 369
 370         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
 371         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
 372         (init_empty_tree_cfg): Call it.
 373
 374 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 375
 376         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
 377         Update all users.
 378
 379 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 380
 381         * doc/invoke.text (-fdump-tree-*-verbose): New option.
 382         * tree-dump.c (dump_options): New verbose option.
 383         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
 384         Add verbose dump.
 385         * tree-pass.h (TDF_VERBOSE): New dump flag.
 386         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
 387         (tree-flow.h): Added include.
 388         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
 389
 390 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
 391
 392         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
 393
 394         From Jie Zhang  <jie.zhang@analog.com>
 395         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 396         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
 397         mcpu=bf561-none and mcpu=bf561-0.2.
 398         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 399         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 400         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 401         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 402         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
 403         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
 404         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
 405         option.
 406         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
 407         (cputype_selected): Remove.
 408         (bfin_handle_option): Don't use cputype_selected.
 409         (override_options): When no mcpu option, enable all workarounds.
 410         Don't use bfin_workarounds.
 411         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
 412         processor type.
 413         (DEFAULT_CPU_TYPE): Don't define.
 414
 415 2008-05-16  Richard Guenther  <rguenther@suse.de>
 416
 417         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
 418         on deletion of the last stmt.
 419
 420 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 421
 422         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
 423         V8HImode for SSE2 and V16QImode for SSE4.1.
 424
 425 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
 426
 427         * cgraph.h (compute_inline_parameters): Made public.
 428         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
 429         variable_generate_summary, function_write_summary,
 430         variable_write_summary, variable_read_summary.  Added generate_summary,
 431         write_summary, read_summary.
 432         * cgraphunit.c (cgraph_process_new_functions): Changed call from
 433         pass_ipa_inline.function_generate_summary, to
 434         compute_inline_parameters.
 435         * ipa-inline.c (compute_inline_parameters): Made public and added
 436         node parameter.
 437         (compute_inline_parameters_for_current): New function.
 438         (pass_inline_param): Now calls compute_inline_parameters_for_current.
 439         (inline_generate_summary): Removed parameter and made to loop over
 440         all cgraph nodes.
 441         (pass_ipa_inline): Updated for new IPA_PASS structure.
 442         * passes.c (execute_ipa_summary_passes): Now is called once per
 443         pass rather than once per node*pass.
 444
 445 2008-05-15  Anatoly Sokolov <aesok@post.ru>
 446
 447         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
 448         avr_have_mul_p, avr_asm_only_p): Remove variables.
 449         (avr_override_options): Remove initialization of removed variables.
 450         (avr_file_start):  Convert removed variables to fields of
 451         'struct base_arch_s *avr_current_arch'.
 452         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
 453         (AVR_HAVE_MUL): (Ditto.).
 454         (AVR_HAVE_MOVW): (Ditto.).
 455         (AVR_HAVE_LPMX): (Ditto.).
 456         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
 457         avr_asm_only_p): Remove declaration.
 458
 459 2008-05-15  Diego Novillo  <dnovillo@google.com>
 460
 461         * config/arm/arm.c (arm_return_in_memory): Fix return type.
 462         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
 463
 464 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
 465
 466         PR middle-end/36194
 467         * combine.c (check_conversion): Rename back to check_promoted_subreg.
 468         Don't call record_truncated_value from here.
 469         (record_truncated_value): Turn it into a for_each_rtx callback.
 470         (record_truncated_values): New function.
 471         (combine_instructions): Call note_uses with record_truncated_values.
 472         Change name of check_conversion to check_promoted_subreg.
 473
 474 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
 475
 476         * doc/sourcebuild.texi: Document support for torture tests.
 477
 478 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 479
 480         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
 481         to alternative 4 of operand 2.
 482
 483 2008-05-15  Richard Guenther  <rguenther@suse.de>
 484
 485         * tree-pass.h (current_pass): Declare.
 486         (get_pass_for_id): Likewise.
 487         * passes.c (passes_by_id, passes_by_id_size): New globals.
 488         (set_pass_for_id): New function.
 489         (get_pass_for_id): Likewise.
 490         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
 491         (execute_function_todo): Flush per function statistics.
 492         * toplev.c (compile_file): Init statistics.
 493         (general_init): Do early statistics initialization.
 494         (finalize): Finish statistics.
 495         * statistics.h (statistics_early_init): Declare.
 496         (statistics_init): Likewise.
 497         (statistics_fini): Likewise.
 498         (statistics_fini_pass): Likewise.
 499         (statistics_counter_event): Likewise.
 500         (statistics_histogram_event): Likewise.
 501         * statistics.c: New file.
 502         * Makefile.in (OBJS-common): Add statistics.o.
 503         (statistics.o): Add dependencies.
 504         * doc/invoke.texi (-fdump-statistics): Document.
 505
 506         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
 507         (insert): Likewise.
 508         (execute_pre): Use statistics_counter_event.
 509         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
 510         (substitute_and_fold): Increment it.  Use statistics_counter_event.
 511
 512 2008-05-15  Diego Novillo  <dnovillo@google.com>
 513
 514         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
 515
 516         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
 517         * tree-ssa-alias.c (new_type_alias): Remove references to
 518         sub-variables from comment.
 519         * tree-ssa-operands.c (swap_tree_operands): Likewise.
 520
 521 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 522
 523         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
 524         attribute to 1 only for insertps alternative.
 525
 526 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 527
 528         * config/bfin/bfin.md (loadbytes): New pattern.
 529         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
 530         (bfin_init_builtins): Initialize it.
 531         (bdesc_1arg): Add it.
 532
 533 2008-05-15  Sa Liu  <saliu@de.ibm.com>
 534
 535         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
 536         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
 537         * testsuite/lib/target-supports.exp: Add
 538         check_effective_target_fortran_integer_16.
 539
 540 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 541
 542         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
 543         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
 544         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
 545         (TARGET_RETURN_IN_MEMORY): Define.
 546
 547 2008-05-15  Richard Guenther  <rguenther@suse.de>
 548
 549         PR middle-end/36244
 550         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
 551         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
 552         represent unmodifiable vars.
 553
 554 2008-05-15  Richard Guenther  <rguenther@suse.de>
 555
 556         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
 557         INDIRECT_REF and TARGET_MEM_REF.
 558         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 559         TARGET_MEM_REF.
 560
 561 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 562             H.J. Lu  <hongjiu.lu@intel.com>
 563
 564         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
 565         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
 566         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
 567         insn alternatives.  Add missing alternatives.
 568         (*vec_concatv2di_rex64_sse4_1): Likewise.
 569         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
 570         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
 571         Require TARGET_SSE.
 572
 573 2008-05-15  Richard Guenther  <rguenther@suse.de>
 574
 575         PR tree-optimization/36009
 576         PR tree-optimization/36204
 577         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
 578         (determine_invariantness_stmt): Record the loop a store is
 579         always executed in.
 580         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
 581         dependency.
 582
 583 2008-05-15  Richard Guenther  <rguenther@suse.de>
 584
 585         PR tree-optimization/34330
 586         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
 587         through the pointer will alias the SMT.
 588
 589 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
 590
 591         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
 592
 593 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 594
 595         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
 596
 597 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 598             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 599
 600         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
 601         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
 602         (vashl_optab): New optab for vector/vector shifts.
 603         (vashr_optab): Ditto.
 604         (vlshr_optab): Ditto.
 605         (vrotl_optab): Ditto.
 606         (vrotr_optab): Ditto.
 607         (optab_subtype): New enum for optab_for_tree_code call.
 608         (optab_for_tree_code): Add enum optab_subtype argument.
 609
 610         * optabs.c (optab_for_tree_code): Take an additional argument to
 611         distinguish between a vector shift by a scalar and vector shift by
 612         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
 613         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
 614         vector shift by a vector.
 615         (expand_widen_pattern_expr): Pass additional argument to
 616         optab_for_tree_code.
 617
 618         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
 619         vrotl_optab, vrotr_optab.
 620
 621         * expr.c (expand_expr_real_1): Update calls to
 622         optab_for_tree_code to distinguish between vector shifted by a
 623         scalar and vector shifted by a vector.
 624         * tree-vectorizer.c (supportable_widening_operation): Ditto.
 625         (supportable_narrowing_operation): Ditto.
 626         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
 627         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
 628         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
 629         (vect_create_epilog_for_reduction): Ditto.
 630         (vectorizable_reduction): Ditto.
 631         (vectorizable_operation): Ditto.
 632         (vect_strided_store_supported): Ditto.
 633         (vect_strided_load_supported): Ditto.
 634         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
 635         * expmed.c (expand_shift): Ditto.
 636
 637         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
 638         scalar type.
 639         (ashr@var{m}3): Ditto.
 640         (vashl@var{m}3): Document new vector/vector shift standard name.
 641         (vashr@var{m}3): Ditto.
 642         (vlshr@var{m}3): Ditto.
 643         (vrotl@var{m}3): Ditto.
 644         (vrotr@var{m}3): Ditto.
 645
 646         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
 647         (PPERM_INVERT): Ditto.
 648         (PPERM_REVERSE): Ditto.
 649         (PPERM_REV_INV): Ditto.
 650         (PPERM_ZERO): Ditto.
 651         (PPERM_ONES): Ditto.
 652         (PPERM_SIGN): Ditto.
 653         (PPERM_INV_SIGN): Ditto.
 654         (PPERM_SRC1): Ditto.
 655         (PPERM_SRC2): Ditto.
 656
 657         * config/i386/sse.md (mulv2di3): Add SSE5 support.
 658         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
 659         allows a memory operand to be the value being added, and split it
 660         to improve vectorization.
 661         (sse5_pmacsdqh_mem): Ditto.
 662         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
 663         (sse5_mulv2div2di3_high): Ditto.
 664         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
 665         (vec_pack_trunc_v4si): Ditto.
 666         (vec_pack_trunc_v2di): Ditto.
 667         (sse5_pcmov_<mode>): Remove code that tried to use use
 668         andps/andnps instead of pcmov.
 669         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
 670         pmacsdqh instructions.
 671         (vec_widen_smult_lo_v4si): Ditto.
 672
 673         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
 674         (PPERM_INVERT): Ditto.
 675         (PPERM_REVERSE): Ditto.
 676         (PPERM_REV_INV): Ditto.
 677         (PPERM_ZERO): Ditto.
 678         (PPERM_ONES): Ditto.
 679         (PPERM_SIGN): Ditto.
 680         (PPERM_INV_SIGN): Ditto.
 681         (PPERM_SRC1): Ditto.
 682         (PPERM_SRC2): Ditto.
 683         (ix86_expand_sse_movcc): Move the SSE5 test after the if
 684         true/false tests.
 685         (ix86_expand_int_vcond): If SSE5 generate all possible integer
 686         comparisons.
 687         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
 688         says ignore whether the last reference is a memory operand.
 689
 690 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 691             Paolo Bonzini <bonzini at gnu dot org>
 692
 693         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
 694         shift patterns.
 695
 696         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
 697         (vlshr<mode>3): Rename from vlshr<mode>3.
 698         (vashr<mode>3): Rename from vashr<mode>3.
 699         (mulv4sf3): Change the names of vector shift patterns.
 700         (mulv4si3): Ditto.
 701         (negv4sf2): Ditt.
 702
 703         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
 704         shift insns.
 705
 706         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
 707         (SI_SHLHI): Ditto.
 708         (SI_SHL): Ditto.
 709         (SI_SHLI): Ditto.
 710         (SI_ROTH): Ditto.
 711         (SI_ROTHI): Ditto.
 712         (SI_ROT): Ditto.
 713         (SI_ROTI): Ditto.
 714         (SPU_RL_0): Ditto.
 715         (SPU_RL_1): Ditto.
 716         (SPU_RL_2): Ditto.
 717         (SPU_RL_3): Ditto.
 718         (SPU_RL_4): Ditto.
 719         (SPU_RL_5): Ditto.
 720         (SPU_RL_6): Ditto.
 721         (SPU_RL_7): Ditto.
 722         (SPU_SL_0): Ditto.
 723         (SPU_SL_1): Ditto.
 724         (SPU_SL_2): Ditto.
 725         (SPU_SL_3): Ditto.
 726         (SPU_SL_4): Ditto.
 727         (SPU_SL_5): Ditto.
 728         (SPU_SL_6): Ditto.
 729         (SPU_SL_7): Ditto.
 730
 731         * config/spu/spu.md (v): New iterator macro to add v for vector types.
 732         (floatunssidf2_internal): Change vector/vector shift names.
 733         (floatunsdidf2_internal): Ditto.
 734         (mulv8hi3): Ditto.
 735         (ashrdi3): Ditto.
 736         (ashrti3): Ditto.
 737         (cgt_df): Ditto.
 738         (cgt_v2df): Ditto.
 739         (dftsv): Ditto.
 740         (vashl<mode>3): Rename from ashl<mode>3.
 741         (vashr<mode>3): Rename from ashr<mode>3.
 742         (vlshr<mode>3): Rename from lshr<mode>3.
 743         (vrotl<mode>3): Rename from rotl<mode>3.
 744
 745 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 746
 747         PR target/36224
 748         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
 749         multiply gives the wrong value when doing widening multiplies.
 750         (vec_widen_smult_lo_v4si): Ditto.
 751
 752 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 753
 754         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
 755         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
 756         emit_library_call_value.
 757         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
 758         * tree.h (ECF_LIBCALL_BLOCK): Removed.
 759         * calls.c (initialize_argument_information, precompute_arguments,
 760         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
 761         (precompute_arguments): Removed flags parameter.
 762         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
 763
 764 2008-05-14  Richard Guenther  <rguenther@suse.de>
 765
 766         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
 767         Make sure to register the store if the use is a PHI_NODE.
 768
 769 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 770
 771         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
 772         memory if the component is to be referenced in BLKmode according
 773         to get_inner_reference.
 774
 775 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
 776
 777         * calls.c (emit_library_call_value_1): Restore code clearing
 778         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
 779
 780 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 781             Nicolas Roche  <roche@adacore.com>
 782
 783         * configure.ac: Add support for a "gcc_subdir" variable in
 784         config-lang.in, to denote a subdirectory where the language/GCC
 785         integration files are to be found.
 786         * configure: Regenerate.
 787
 788 2008-05-14  Ira Rosen  <irar@il.ibm.com>
 789
 790         PR tree-optimization/36098
 791         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
 792         value for the first load in the group in case of a gap.
 793         (vect_build_slp_tree): Check that there are no gaps in loads.
 794
 795 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 796
 797         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
 798         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
 799         expand_copysign_bit, ): Change call to emit_no_conflict_block to
 800         emit_insn and remove unneeded code to construct extra args.
 801         (emit_no_conflict_block): Removed.
 802         * optabls.h: (emit_no_conflict_block): Removed.
 803         * cse.c (cse_extended_basic_block): Remove search for
 804         REG_NO_CONFLICT note.
 805         * global.c: Removed incorrect comment added in revision 117.
 806         * expr.c (convert_move): Change call to emit_no_conflict_block to
 807         emit_insn.
 808         * recog.c: Change comments so that they do not mention
 809         REG_NO_CONFLICT.
 810         * local_alloc.c (combine_regs): Removed last parameter.
 811         (no_conflict_p): Removed.
 812         (block_alloc): Removed note, no_conflict_combined_regno and set
 813         local vars. Removed all code to process REG_NO_CONFLICT blocks.
 814         (combine_regs): Removed already_dead and code to look for
 815         REG_NO_CONFLICT notes.
 816         * lower_subreg (remove_retval_note): Removed code to look for
 817         REG_NO_CONFLICT block.
 818         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
 819         (resolve_clobber): Remove code to process libcalls that have
 820         REG_NO_CONFLICT notes.
 821         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
 822         case.
 823         * combine.c (can_combine_p, distribute_notes):  Removed
 824         REG_NO_CONFLICT case.
 825         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
 826         to emit_insns.
 827         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
 828         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
 829         Ditto.
 830         * reg-notes.def (NO_CONFLICT): Removed.
 831
 832 2008-05-14  David S. Miller  <davem@davemloft.net>
 833
 834         * config/sparc/sparc.c (sparc_profile_hook): If
 835         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
 836         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
 837         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 838
 839 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 840
 841         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
 842
 843 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
 844
 845         PR target/36222
 846         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
 847         and op1 expansion before vector concat to have less live pseudos.
 848
 849 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
 850
 851         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
 852         ix86_expand_vector_set if supported.
 853
 854 2008-05-13  Diego Novillo  <dnovillo@google.com>
 855             Kenneth Zadeck  <zadeck@naturalbridge.com>
 856
 857         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
 858
 859         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
 860         phinodes_print_statistics, init_ssanames, fini_ssanames,
 861         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
 862         release_ssa_name, release_defs, replace_ssa_name_symbol,
 863         ssanames_print_statistics): Move ...
 864         * tree-flow.h: ... here.
 865         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
 866         Use FN instead of cfun.
 867         (make_ssa_name_fn): Rename from make_ssa_name.
 868         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
 869         * tree-flow-inline.h (make_ssa_name): Move from
 870         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
 871         * omp-low.c (expand_omp_parallel):
 872         * tree-flow-inline.h (redirect_edge_var_map_result):
 873         * tree-ssa.c (init_tree_ssa): Add argument FN.
 874         Use it instead of cfun.  Update all users.
 875
 876 2008-05-13  Tom Tromey  <tromey@redhat.com>
 877
 878         PR preprocessor/22168:
 879         * doc/cpp.texi (Top): Update menu.
 880         (Alternatives to Wrapper #ifndef): New node.
 881         (Other Directives): Document deprecation.
 882         (Obsolete Features): Remove menu.
 883         (Assertions): Merge node into Obsolete Features.
 884         (Obsolete once-only headers): Move earlier; rename to Alternatives
 885         to Wrapper #ifndef.
 886         * doc/cppopts.texi: Update.
 887         * c.opt (Wdeprecated): Enable for C and ObjC.
 888         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
 889         (C++ Dialect Options): Move -Wno-deprecated from here to...
 890         (Warning Options): ... here.
 891
 892 2008-05-13  Richard Guenther  <rguenther@suse.de>
 893
 894         PR middle-end/36227
 895         * fold-const.c (fold_sign_changed_comparison): Do not allow
 896         changes in pointer-ness.
 897
 898 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
 899
 900         PR target/24713
 901         * config/sh/sh.c (sh_expand_prologue): Don't clear
 902         RTX_FRAME_RELATED_P for push insns.
 903
 904 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
 905
 906         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
 907
 908 2008-05-12  Anatoly Sokolov <aesok@post.ru>
 909
 910         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
 911         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
 912         Use 'machine->is_leaf' instead of 'leaf_func_p'.
 913
 914 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 915
 916         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
 917         (*vec_concatv4sf_sse): This.
 918         (*sse2_concatv2si): Renamed to ...
 919         (*vec_concatv2si_sse2): This.
 920         (*sse1_concatv2si): Renamed to ...
 921         (*vec_concatv2si_sse): This.
 922         (*vec_concatv2di_rex): Renamed to ...
 923         (*vec_concatv2di_rex64): This.
 924         (*vec_concatv2si_sse4_1): New.
 925         (*vec_concatv2di_rex64_sse4_1): Likewise.
 926
 927 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
 928
 929         PR rtl-optimization/36111
 930         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
 931         that was created for swappable operands.
 932
 933 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
 934
 935         PR ada/36001
 936         * Makefile.in: Substitute GNATMAKE and GNATBIND.
 937         * configure.ac: Add call to ACX_PROG_GNAT.
 938
 939 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
 940
 941         * optc-gen.awk: Fix comment typo.
 942
 943 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
 944
 945         * pretty-print.c (pp_integer_with_precision): Use
 946         HOST_LONG_LONG_FORMAT.
 947
 948 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
 949
 950         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
 951
 952 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 953
 954         * config/i386/i386.c (bdesc_ptest): Removed.
 955         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
 956         (bdesc_args): Add __builtin_ia32_ptestz128,
 957         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
 958         (ix86_init_mmx_sse_builtins): Updated.
 959         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
 960         (ix86_expand_builtin): Updated.
 961
 962 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
 963
 964         * tree-cfg.c (valid_fixed_convert_types_p): New function.
 965         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
 966
 967 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
 968
 969         * value-prof.c (interesting_stringop_to_profile): Do not
 970         return early for BUILT_IN_MEMPCPY.
 971
 972 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
 973
 974         * calls.c (expand_call): Don't use callgraph to increase
 975         preferred_stack_boundary.
 976
 977         * cgraph.h (cgraph_rtl_info): Use unsigned on
 978         preferred_incoming_stack_boundary.
 979
 980         * final.c (rest_of_clean_state): Use unsigned on
 981         preferred_stack_boundary.
 982
 983 2008-05-09  Tom Tromey  <tromey@redhat.com>
 984
 985         PR preprocessor/22231:
 986         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
 987         proceeding.
 988
 989 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
 990
 991         PR tree-optimization/36129
 992         * tree-ssa-ccp.c: Include value-prof.h.
 993         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
 994         built-in function was folded to a constant.
 995         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
 996
 997 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
 998             Sebastian Pop  <sebastian.pop@amd.com>
 999
1000         * tree-scalar-evolution.c: Document instantiate_scev.
1001         (instantiate_parameters_1): Renamed instantiate_scev_1.
1002         Don't use the same loop for instantiation_loop and evolution_loop.
1003         (instantiate_scev): New.
1004         (instantiate_parameters): Moved...
1005         (resolve_mixers): Update call to instantiate_scev_1 to pass the
1006         same loop twice.  Maintains the semantics for this function.
1007         * tree-scalar-evolution.h (instantiate_scev): Declare.
1008         (instantiate_parameters): ...here.  Now static inline.
1009         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
1010         instead of resolve_mixers.
1011
1012 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
1013
1014         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
1015
1016 2008-05-09  Tomas Bily  <tbily@suse.cz>
1017
1018         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
1019         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
1020         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1021         * c-common.c (c_common_truthvalue_conversion): Likewise.
1022         * tree-object-size.c (compute_object_offset): Likewise.
1023         * tree-inline.c (estimate_num_insns_1): Likewise.
1024         * varasm.c (const_hash_1, compare_constant, copy_constant)
1025         (compute_reloc_for_constant, output_addressed_constants)
1026         (initializer_constant_valid_p): Likewise.
1027         * c-omp.c (check_omp_for_incr_expr): Likewise.
1028         * gimplify.c (gimplify_expr): Likewise.
1029         * c-typeck.c (c_finish_return): Likewise.
1030         * tree-vectorizer.c (supportable_widening_operation)
1031         (supportable_narrowing_operation): Likewise.
1032         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
1033         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
1034         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
1035         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
1036         (descr_info_loc): Likewise.
1037         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1038         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
1039         (fold_unary): Likewise.
1040         * builtins.c (get_pointer_alignment): Likewise.
1041         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
1042         (instantiate_parameters_1): Likewise.
1043         * tree.c (expr_align, stabilize_reference): Likewise.
1044         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1045         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
1046         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
1047         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1048         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
1049         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
1050         Likewise.
1051         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
1052         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
1053         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
1054         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
1055         (forward_propagate_comparison)
1056         (tree_ssa_forward_propagate_single_use_vars): Likewise.
1057         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
1058         * emit-rtl.c (component_ref_for_mem_expr)
1059         (set_mem_attributes_minus_bitpos): Likewise.
1060         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1061         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
1062         Likewise.
1063         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
1064         (build_function_call, pointer_diff, build_compound_expr)
1065         (c_finish_return): Likewise.
1066         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
1067         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
1068         Likewise.
1069         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
1070         * expr.c (is_aligning_offset): Likewise.
1071         * tree-ssa-alias.c (is_escape_site): Likewise.
1072         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
1073         (check_all_va_list_escapes): Likewise.
1074         * tree-ssa-loop-ivopts.c (determine_base_object)
1075         (determine_common_wider_type): Likewise.
1076         * dojump.c (do_jump): Likewise.
1077         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
1078         * tree-gimple.c (is_gimple_cast): Likewise.
1079         * fold-const.c (decode_field_reference, )
1080         (fold_sign_changed_comparison, fold_unary, fold_comparison)
1081         (fold_binary): Likewise.
1082         * tree-ssa-alias-warnings.c (find_alias_site_helper)
1083         (already_warned_in_frontend_p): Likewise.
1084         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
1085         * tree.c (really_constant_p, get_unwidened): Likewise.
1086         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
1087         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
1088         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
1089         Likewise.
1090         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
1091         CONVERT_EXPR_P.
1092         (CONVERT_EXPR_P): Define.
1093         (CASE_CONVERT): Define.
1094
1095 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
1096
1097         PR middle-end/36117
1098         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
1099         (delete_unmarked_insns): When deleting a call, call
1100         delete_unreachable_blocks.
1101         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1102         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
1103
1104 2008-05-08  Richard Guenther  <rguenther@suse.de>
1105
1106         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
1107         (-ftree-salias): Likewise.
1108         (salias-max-implicit-fields): Remove param documentation.
1109         (salias-max-array-elements): Likewise.
1110         * tree-pass.h (pass_create_structure_vars): Remove.
1111         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1112         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1113         * tree-ssa-alias.c (create_structure_vars): Remove.
1114         (gate_structure_vars): Likewise.
1115         (pass_create_structure_vars): Likewise.
1116         (gate_build_alias): Likewise.
1117         (pass_build_alias): Adjust to run always and dump the function.
1118         * common.opt (ftree-salias): Hide.
1119         * passes.c (init_optimization_passes): Remove
1120         pass_create_structure_vars, adjust comment.
1121         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1122         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1123         * opts.c (decode_options): Do not set flag_tree_salias.
1124         (common_handle_option): Add OPT_ftree_salias to the backward
1125         compatibility section.
1126
1127 2008-05-08  Richard Guenther  <rguenther@suse.de>
1128
1129         * tree-flow-inline.h (var_can_have_subvars): Move ...
1130         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1131         * tree-flow.h (var_can_have_subvars): Remove.
1132         (push_fields_onto_fieldstack): Remove.
1133         (sort_fieldstack): Likewise.
1134         (struct fieldoff): Move ...
1135         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1136         alias_set and base_for_components fields.
1137         (sort_fieldstack): Make static.
1138         (push_fields_onto_fieldstack): Likewise.  Remove code that
1139         handles anything but RECORD_TYPEs.  Remove alias_set and
1140         base_for_components handling.
1141         (create_variable_info_for): Adjust.
1142
1143 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1144
1145         * common.opt (Wframe-larger-than=): Shorten the help message
1146         to one line.
1147         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1148
1149 2008-05-08  Rafael Espindola  <espindola@google.com>
1150
1151         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1152         trap.
1153         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1154         trap and that both operands are gimple values.
1155         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1156         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1157         is a fp operation.
1158
1159 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1160
1161         * read-rtl.c (join_c_conditions): Return the first string if the
1162         two strings are equal.
1163
1164 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1165
1166         * gensupport.h (pred_data): Add a "num_codes" field.
1167         (add_predicate_code): Declare.
1168         * gensupport.c (add_predicate_code): New function.
1169         (std_pred_table): Add an "allows_const_p" field.
1170         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1171         Remove the (incomplete) list of such codes from the codes field.
1172         (init_predicate_table): Use add_predicate_code.  Add all
1173         RTX_CONST_OBJs if allows_const_p is true.
1174         * genrecog.c (process_define_predicate): Use add_predicate_code.
1175
1176 2008-05-08  David Daney  <ddaney@avtrex.com>
1177             Richard Sandiford  <rsandifo@nildram.co.uk>
1178
1179         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1180         special case of constant zero operands.
1181         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1182         old and new values.  Special case constant zero values.
1183         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1184         fails.
1185         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1186         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1187
1188 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1189
1190         PR target/36090
1191         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1192         similar RTX_CONST_OBJ before CONST_INT.
1193
1194 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1195
1196         * stmt.c (expand_stack_restore): Change sa mode if needed.
1197
1198 2008-05-08  Richard Guenther  <rguenther@suse.de>
1199
1200         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1201         return type to bool.
1202         (ix86_sol10_return_in_memory): Likewise.
1203         (ix86_i386elf_return_in_memory): Likewise.
1204         (ix86_i386interix_return_in_memory): Likewise.
1205         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1206         (ix86_sol10_return_in_memory): Likewise.
1207         (ix86_i386elf_return_in_memory): Likewise.
1208         (ix86_i386interix_return_in_memory): Likewise.
1209
1210 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1211
1212         PR bootstrap/36180
1213         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1214         fndecl argument.
1215         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1216         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1217         declared in front.
1218
1219 2008-05-08  Richard Guenther  <rguenther@suse.de>
1220
1221         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1222         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1223         (DR_SUBVARS): Remove.
1224         * tree-dfa.c (dump_subvars_for): Remove.
1225         (debug_subvars_for): Likewise.
1226         (dump_variable): Do not dump subvars.
1227         (remove_referenced_var): Do not remove subvars.
1228         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1229         (lookup_subvars_for_var): Remove.
1230         (get_subvars_for_var): Likewise.
1231         (get_subvars_at): Likewise.
1232         (get_first_overlapping_subvar): Likewise.
1233         (overlap_subvar): Likewise.
1234         * tree-flow.h (subvar_t): Remove.
1235         (struct var_ann_d): Remove subvars field.
1236         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1237         argument.  Remove special handling of SFTs.
1238         (compute_tag_properties): Likewise.
1239         (set_initial_properties): Likewise.
1240         (compute_call_clobbered): Likewise.
1241         (count_mem_refs): Likewise.
1242         (compute_memory_partitions): Likewise.
1243         (compute_flow_insensitive_aliasing): Likewise.
1244         (setup_pointers_and_addressables): Likewise.
1245         (new_type_alias): Likewise.
1246         (struct used_part): Remove.
1247         (used_portions): Likewise.
1248         (struct used_part_map): Likewise.
1249         (used_part_map_eq): Likewise.
1250         (used_part_map_hash): Likewise.
1251         (free_used_part_map): Likewise.
1252         (up_lookup): Likewise.
1253         (up_insert): Likewise.
1254         (get_or_create_used_part_for): Likewise.
1255         (create_sft): Likewise.
1256         (create_overlap_variables_for): Likewise.
1257         (find_used_portions): Likewise.
1258         (create_structure_vars): Likewise.
1259         * tree.def (STRUCT_FIELD_TAG): Remove.
1260         * tree.h (MTAG_P): Adjust.
1261         (struct tree_memory_tag): Remove base_for_components and
1262         unpartitionable flags.
1263         (struct tree_struct_field_tag): Remove.
1264         (SFT_PARENT_VAR): Likewise.
1265         (SFT_OFFSET): Likewise.
1266         (SFT_SIZE): Likewise.
1267         (SFT_NONADDRESSABLE_P): Likewise.
1268         (SFT_ALIAS_SET): Likewise.
1269         (SFT_UNPARTITIONABLE_P): Likewise.
1270         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1271         (union tree_node): Remove sft field.
1272         * alias.c (get_alias_set): Remove special handling of SFTs.
1273         * print-tree.c (print_node): Remove handling of SFTs.
1274         * tree-dump.c (dequeue_and_dump): Likewise.
1275         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1276         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1277         * tree-predcom.c (set_alias_info): Do not set subvars.
1278         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1279         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1280         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1281         (add_vars_for_offset): Remove.
1282         (add_virtual_operand): Remove special handling of SFTs.
1283         (add_call_clobber_ops): Likewise.
1284         (add_call_read_ops): Likewise.
1285         (get_asm_expr_operands): Likewise.
1286         (get_modify_stmt_operands): Likewise.
1287         (get_expr_operands): Likewise.
1288         (add_to_addressable_set): Likewise.
1289         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1290         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1291         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1292         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1293         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1294         (tree_node_structure): Likewise.
1295         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1296         handling of SFTs.
1297         (find_what_p_points_to): Likewise.
1298
1299 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1300
1301         * config/spu/spu.md: Fixed subti3 pattern.
1302
1303 2008-05-08  Richard Guenther  <rguenther@suse.de>
1304
1305         PR middle-end/36154
1306         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1307         sure to create a representative for trailing arrays for PTA.
1308
1309 2008-05-08  Richard Guenther  <rguenther@suse.de>
1310
1311         PR middle-end/36172
1312         * fold-const.c (operand_equal_p): Two objects which types
1313         differ in pointerness are not equal.
1314
1315 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1316
1317         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1318         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1319         (emit_library_call_value_1): Add new variable fndecl initialized by
1320         NULL_TREE. It should be the decl type of orgfun, but this information
1321         seems not to be available here, so it uses the default calling abi.
1322         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1323         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1324         by TARGET_RETURN_IN_MEMORY.
1325         * config/i386/i386-interix.h: Likewise.
1326         * config/i386/i386.h: Likewise.
1327         * config/i386/i386elf.h: Likewise.
1328         * config/i386/ptx4-i.h: Likewise.
1329         * config/i386/sol2-10.h: Likewise.
1330         * config/i386/sysv4.h: Likewise.
1331         * config/i386/vx-common.h: Likewise.
1332         * config/cris/cris.h: Removed #if 0 clause.
1333         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1334         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1335         argument.
1336         (ix86_sol10_return_in_memory): Likewise.
1337         (ix86_i386elf_return_in_memory): New.
1338         (ix86_i386interix_return_in_memory): New.
1339         * config/mt/mt-protos.h (mt_return_in_memory): New.
1340         * config/mt/mt.c: Likewise.
1341         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1342         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1343         * config/bfin/bfin.h: Likewise.
1344         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1345         argument.
1346         * config/bfin/bfin.c: Likewise.
1347         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1348         * config/alpha/unicosmk.h: Likewise.
1349         * config/i386/cygming.h: Likewise.
1350         * config/iq2000/iq2000.h: Likewise.
1351         * config/mips/mips.h: Likewise.
1352         * config/mn10300/mn10300.h: Likewise.
1353         * config/rs6000/rs6000.h: Likewise.
1354         * config/score/score.h: Likewise.
1355         * config/spu/spu.h: Likewise.
1356         * config/v850/v850.h: Likewise.
1357         * defaults.h: Likewise.
1358         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1359         * expr.c (emit_block_move): Adjust use of
1360         OUTGOING_REG_PARM_STACK_SPACE.
1361         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1362         OUTGOING_REG_PARM_STACK_SPACE.
1363         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1364
1365 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1366
1367         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1368         on OMP_RETURN for OMP_FOR.
1369
1370         PR debug/35896
1371         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1372         (fortran_common): New function.
1373         (gen_variable_die): Call fortran_common instead of common_check,
1374         adjust for it returning tree instead of rtx.  Formatting.
1375
1376 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1377
1378         PR rtl/7335
1379         PR rtl/33826
1380         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1381         * c-decl.c (merge_decls): Ditto.
1382         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1383         to RTL_CONST_OR_PURE_CALL_P.
1384         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1385         Initialized DECL_LOOPING_CONST_PURE.
1386         (process_call_operands): Set tree_side_effects properly.
1387         * tree.h (TREE_READONLY_DECL_P): Removed.
1388         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1389         (DECL_LOOPING_OR_CONST_P): New macro.
1390         (struct tree_function_decl): Added looping_const_or_pure_p.
1391         (ECF_*) Renumbered.
1392         (ECF_LOOPING_OR_CONST_P): New macro.
1393         * rtlanal.c (pure_const_p): Removed.
1394         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1395         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1396         to RTL_CONST_CALL_P.
1397         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1398         (check_decl, check_tree, check_call, scan_function): Initialize
1399         looping.
1400         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1401         (static_execute): Set looping true for recursive functions.
1402         Undo setting state to IPA_NEITHER for recursive functions.
1403         * cse.c (cse_insn):
1404         * ifcvt.c (noce_can_store_speculate_p): Changed
1405         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
1406         RTL_CONST_OR_PURE_CALL_P.
1407         * dse.c (scan_insn): Ditto.
1408         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1409         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1410         RTL_CONST_OR_PURE_CALL_P.
1411         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1412         pure_call_p to RTL_CONST_CALL_P.
1413         * gimplify.c (gimplify_call_expr): Clear side effects for
1414         non-looping pure and constant calls.
1415         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1416         (flags_from_decl_or_type): Set ecf flags from decl flags.
1417         (initialize_argument_information): Turn off
1418         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1419         Change const to pure if callee_copies is true rather than just
1420         turning off const.
1421         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1422         way of marking pure calls.
1423         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1424         Remove hack that was supposed to fix pr7335 and remove old
1425         way of marking pure calls.
1426         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1427         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1428         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1429         RTL_CONST_OR_PURE_CALL_P.
1430         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1431         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1432         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1433         * sched-deps.c (schedule_analyze): Ditto.
1434         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1435         return_val field of calls to represent pure and const function info.
1436         (CONST_OR_PURE_CALL_P): Deleted macro.
1437         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1438         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1439         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1440         TREE_READONLY.
1441         * tree-optimize.c (execute_fixup_cfg): Added test for
1442         ECF_LOOPING_CONST_OR_PURE.
1443         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1444         DECL_PURE_P.
1445         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1446         effects for looping pure or const calls.
1447         (verify_gimple_expr): Added verification code.
1448         * config/alpha/alpha.c (alpha_legitimize_address,
1449         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1450         RTL_CONST_CALL_P.
1451         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1452         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1453         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1454         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1455         RTL_CONST_OR_PURE_CALL_P.
1456         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1457         and const calls to be deleted.
1458
1459 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1460
1461         PR target/35714
1462         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1463         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1464         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1465         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1466         to handle nonimmediate operands.
1467         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1468         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1469         to handle nonimmediate operands.
1470         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1471         (mmx_pmulhrwv4hi3): New expander.  Use
1472         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1473         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1474         (sse2_umulv1siv1di3): New expander.  Use
1475         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1476         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1477         (mmx_eq<mode>3): New expander.  Use
1478         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1479         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1480         (mmx_uavgv8qi3): New expander.  Use
1481         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1482         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1483         (mmx_uavgv4hi3): New expander.  Use
1484         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1485
1486         * config/i386/sse.md
1487         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1488         to handle nonimmediate operands.
1489         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1490         to handle nonimmediate operands.
1491         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1492         to handle nonimmediate operands.
1493         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1494         to handle nonimmediate operands.
1495         (sse2_unpckhpd_exp): New expander.  Use
1496         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1497         (sse2_unpcklpd_exp): New expander.  Use
1498         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1499         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1500         to handle nonimmediate operands.
1501         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1502         to handle nonimmediate operands.
1503         (*sse2_<plusminus_insn><mode>3): Rename from
1504         sse2_<plusminus_insn><mode>3 insn pattern.
1505         (sse2_<plusminus_insn><mode>3): New expander.  Use
1506         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1507         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1508         (sse2_umulv2siv2di3): New expander.  Use
1509         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1510         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1511         (sse4_1_mulv2siv2di3): New expander.  Use
1512         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1513         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1514         (sse2_pmaddwd): New expander.  Use
1515         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1516         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1517         (sse2_eq<mode>3): New expander.  Use
1518         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1519         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1520         (sse4_1_eqv2di3): New expander.  Use
1521         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1522         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1523         (sse2_uavgv16qi3): New expander.  Use
1524         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1525         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1526         (sse2_uavgv16qi3): New expander.  Use
1527         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1528         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1529         (sse2_uavgv8hi3): New expander.  Use
1530         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1531         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1532         (ssse3_pmulhrswv8hi3): New expander.  Use
1533         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1534         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1535         (ssse3_pmulhrswv4hi3): New expander.  Use
1536         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1537
1538         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1539         (<sse>_vmmul<mode>3): Ditto.
1540         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1541         (divv2df3): Ditto.
1542         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1543         (ssse3_pmaddubsw): Ditto.
1544
1545         * config/i386/i386.c (struct_builtin_description)
1546         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1547         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1548         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1549         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1550         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1551         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1552         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1553         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1554         (ix86_fixup_binary_operands): Assert that src1
1555         and src2 must have the same mode when swapped.
1556         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1557         and ix86_binary_operator_ok.  Do not force operands in registers
1558         when optimizing.
1559
1560 2008-05-07  Jan Hubicka  <jh@suse.cz>
1561
1562         * cgraph.c (dump_cgraph_node): Update.
1563         * cgraph.h (cgraph_local_info): Break out inline summary.
1564         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1565         hook.
1566         * ipa-inline (inline_summary): New accestor function.
1567         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1568         cgraph_decide_inlining, compute_inline_parameters): Update.
1569         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1570
1571 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1572
1573         Cleanup ColdFire scheduling support and add V4 pipeline model.
1574
1575         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1576         (define_attr cpu): Add cfv4 value.
1577         (define_attr type, define_attr type1): Merge into a single 'type'
1578         attribute.  Update all uses.
1579         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1580         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1581         Update all uses.
1582         (define_attr opx_mem, define_attr opy_mem): Remove.
1583         (define_attr op_mem): Clean up, update comment.
1584         (define_attr size): Use specific values instead of general int.
1585         (define_attr guess, define_attr split): Remove.  Update all uses.
1586         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1587         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1588         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1589         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1590         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1591         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1592         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1593         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1594         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1595         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1596         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1597         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1598         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1599         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1600         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1601         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1602         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1603         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1604         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1605         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1606         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1607         Update or set attributes.
1608         (stack_tie): New fake instruction.
1609
1610         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1611         (m68k_sched_attr_size): Update declaration.
1612         (m68k_sched_attr_type2): Remove.
1613         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1614         Declare new bypass predicates.
1615
1616         * config/m68k/m68k.c (m68k_sched_issue_rate,
1617         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1618         implementations.
1619         (TARGET_SCHED_ISSUE_RATE,
1620         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1621         (override_options): Handle scheduling for ColdFire V4 core.
1622         (m68k_expand_prologue): Emit stack_tie.
1623         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1624         'OP_TYPE_FPN'.  Update all uses.
1625         (sched_guess_p): Remove.
1626         (sched_address_type): Handle symbolic addresses.
1627         (sched_get_operand): New static function.
1628         (sched_operand_type): Merge into sched_attr_op_type.
1629         (sched_attr_op_type): Handle FP registers, handle quick constants,
1630         update.
1631         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1632         (m68k_sched_attr_size): Update.  Move logic to ...
1633         (sched_get_attr_size_int): New static function.
1634         (sched_get_opxy_mem_type): New static function.
1635         (m68k_sched_attr_op_mem): Update.
1636         (m68k_sched_attr_type2): Remove.
1637         (sched_cfv4_bypass_data): New static variable.
1638         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1639         (m68k_sched_issue_rate): Implement scheduler hook.
1640         (struct _sched_ib: enabled_p): New field.
1641         (m68k_sched_variable_issue): Update.  Handle V4.
1642         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1643         sched_dump_class_func_t, sched_dump_split_class,
1644         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1645         sched_dump_dfa_class, m68k_sched_dump): Remove.
1646         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1647         hook.
1648         (m68k_sched_init_global): Remove statisctics dumping, introduce
1649         sanity check that all instructions have pipeline reservations.  Handle
1650         ColdFire V4 core.
1651         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1652         Handle ColdFire V4 core.
1653         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1654         New static functions.
1655         (m68k_sched_address_bypass_p): New bypass predicate.
1656         (sched_get_indexed_address_scale): New static function.
1657         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1658
1659         * cf.md: Update comments.
1660         (define_attr type2): Remove.  Use 'type' attribute instead.
1661         Update all uses.
1662         (cf_ib): Rename to cfv123_ib.  Update all uses.
1663         (cf_oep): Rename to cfv123_oep.  Update all uses.
1664         (cf_chr): Rename to cfv123_chr.  Update all uses.
1665         (cf_mem): Rename to cfv123_mem.  Update all uses.
1666         (cf_mac): Move to more appropriate place.
1667         (cfv123_guess): New automaton and cpu_unit.
1668         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1669         Update uses of 'size' attribute.  Handle before reload scheduling.
1670         (cfv123_guess): New dummy reservation for unhandled instructions.
1671         (cfv4_*): Pipeline description of ColdFire V4 core.
1672         (ignore): New reservation to handle 'ignore' type.
1673
1674 2008-05-07  Ian Lance Taylor  <iant@google.com>
1675
1676         PR middle-end/36013
1677         * gimplify.c (find_single_pointer_decl_1): Don't look through
1678         indirections.
1679         (find_single_pointer_decl): Adjust comments.
1680
1681 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1682
1683         PR middle-end/36137
1684         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1685         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1686
1687         PR middle-end/36106
1688         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1689         integral type rather than floating point, then VIEW_CONVERT_EXPR
1690         to the floating point type.
1691
1692 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1693
1694         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1695         TFmode op0 to register.
1696
1697 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1698
1699         * c-decl.c (grokdeclarator): Comment typo.
1700
1701 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1702
1703         * tree-flow.h: Remove prototype for computed_goto_p.
1704         * tree-cfg.c (computed_goto_p): Make static.
1705
1706 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1707
1708         PR target/35657
1709         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1710         (contains_aligned_value_p): This.  Handle _Decimal128.
1711         (ix86_function_arg_boundary): Only align _Decimal128 to its
1712         natural boundary and handle it properly.
1713
1714 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1715
1716         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1717         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1718         (ipcp_method_set_orig_node): Removed.
1719         (ipcp_cval_get_cvalue_type): Removed.
1720         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1721         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1722         (ipcp_cval_set_cvalue_type): Removed.
1723         (ipcp_cval_get_cvalue): Removed.
1724         (ipcp_cval_set_cvalue): Removed.
1725         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1726         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1727         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1728         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1729         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1730         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1731         (ipcp_get_ith_lattice): Changed parameters.
1732         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1733         (ipcp_lattice_from_jfunc): Changed parameters.
1734         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1735         (ipcp_method_cval_print): Added temporary variable info.
1736         (ipcp_redirect): Removed already unused local variable caller.
1737         (ipcp_redirect): New temporary variable orig_callee_info
1738         (ipcp_redirect): Removed newly unused local variable callee.
1739         (ipcp_redirect): Removed (a bit confusing) local variable type.
1740         (ipcp_insert_stage): Added local variable info.
1741         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
1742         renamed too
1743         (ipcp_formal_create): Removed.
1744         (ipcp_method_cval_set): Removed.
1745         (ipcp_propagate_stage): Renamed lattice variables.
1746         (ipcp_method_cval_set_cvalue_type): Removed.
1747         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1748         (ipcp_print_all_lattices): Changed printed strings to refer to
1749         lattices rather than cvals.
1750         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1751         (ipcp_propagate_const): Changed formal parameters.
1752         (build_const_val): Changed formal parameters.
1753         (ipcp_insert_stage): Removed useless variable cvalue
1754         (build_const_val): Changed formal parameters.
1755         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1756         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1757         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1758         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1759         (ipcp_print_func_profile_counts): Changed string from "method" to
1760         "function"
1761         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1762         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1763         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1764         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1765         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1766         (ipcp_lat_is_const): Changed parameters and made inline.
1767         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1768         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1769         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
1770         the predicate condition directly
1771         (ipcp_propagate_stage): Added local variable args. Removed local
1772         variable callee.  (Both are mere code simplifications.)
1773         (ipcp_method_dont_insert_const): Renamed to
1774         ipcp_node_not_modifiable_p.
1775         (ipcp_node_not_modifiable_p): Made inline.
1776         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1777         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1778         (ipcp_print_all_lattices): Removed variable cvalue
1779         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1780         Updated comments.
1781
1782 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1783
1784         * tree-sra.c (try_instantiate_multiple_fields): Early return
1785         if field has POINTER_TYPE.
1786
1787 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1788
1789         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1790         by using 'q' specifier for instruction.
1791         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1792
1793 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1794
1795         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1796         Change mode of zero_extract from QImode to HImode.
1797         (sign bit tests peepholes): (Ditto.).
1798
1799 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1800
1801         * config/i386/mmx.md: Remove double backslashes from asm templates.
1802         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1803         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1804         to handle nonimmediate operands.
1805         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1806         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1807         to handle nonimmediate operands.
1808         (*mmx_<code>v2sf3_finite): New insn pattern.
1809         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1810         (mmx_<code>v2sf3): New expander.  Use
1811         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1812         (mmx_<plusminus_insn><mode>3): New expander.  Use
1813         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1814         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1815         (mmx_add<mode>3): Removed.
1816         (mmx_ssadd<mode>3): Ditto.
1817         (mmx_usadd<mode>3): Ditto.
1818         (mmx_sub<mode>3): Ditto.
1819         (mmx_sssub<mode>3): Ditto.
1820         (mmx_ussub<mode>3): Ditto.
1821         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1822         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1823         to handle nonimmediate operands.
1824         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1825         insn pattern.
1826         (mmx_smulv4hi3_highpart): New expander.  Use
1827         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1828         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1829         insn pattern.
1830         (mmx_umulv4hi3_highpart): New expander.  Use
1831         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1832         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1833         (mmx_<code>v4hi3): New expander.  Use
1834         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1835         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1836         (mmx_<code>v8qi3): New expander.  Use
1837         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1838         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1839         (mmx_<code><mode>3): New expander.  Use
1840         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1841
1842 2008-05-05  Jan Hubicka  <jh@suse.cz>
1843
1844         PR tree-optimization/36118
1845         * passes.c (pass_init_dump_file): Fix dump header.
1846
1847 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1848
1849         PR middle-end/36141
1850         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1851         VCE for function decls.
1852
1853 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1854
1855         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1856
1857 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1858
1859         * config/i386/i386.md (sat_plusminus): New.
1860         (plusminus_insn): Likewise.
1861         (plusminus_mnemonic): Likewise.
1862         (addsub): Removed.
1863         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1864         (*<addsub><mode>3_cc_overflow): Renamed to ...
1865         (*<plusminus_insn><mode>3_cc_overflow): This.
1866         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1867         (*<plusminus_insn>si3_zext_cc_overflow): This.
1868
1869         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1870         (<plusminus_insn><mode>3): This.
1871         (*<addsub><mode>3): Renamed to ...
1872         (*<plusminus_insn><mode>3): This.
1873         (<sse>_vm<addsub><mode>3): Renamed to ...
1874         (<sse>_vm<plusminus_insn><mode>3): This.
1875         (sse3_h<addsub>v4sf3): Renamed to ...
1876         (sse3_h<plusminus_insn>v4sf3): This.
1877         (sse3_h<addsub>v2df3): Renamed to ...
1878         (sse3_h<plusminus_insn>v2df3): This.
1879         (<plusminus_insn><mode>3): New.
1880         (*<plusminus_insn><mode>3): Likewise.
1881         (sse2_<plusminus_insn><mode>3): Likewise.
1882         (add<mode>): Removed.
1883         (*add<mode>3): Likewise.
1884         (sse2_ssadd<mode>3): Likewise.
1885         (sse2_usadd<mode>3): Likewise.
1886         (sub<mode>3): Likewise.
1887         (*sub<mode>3): Likewise.
1888         (sse2_sssub<mode>3): Likewise.
1889         (sse2_ussub<mode>3): Likewise.
1890
1891 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1892
1893         * gthr-single.h: Add in required interface elements as per gthr.h.
1894         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1895         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1896         Generalize UNUSED macro.
1897         (__gthread_once): Add.
1898         (__gthread_key_create): Add.
1899         (__gthread_key_delete): Add.
1900         (__gthread_getspecific): Add.
1901         (__gthread_setspecific): Add.
1902
1903 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1904
1905         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1906         the same size types for the indirect reference on the rhs, then
1907         create a VCE.
1908
1909 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1910
1911         * config/i386/i386.md
1912         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1913         one insn template instead of template series.
1914         (*xordi_1_rex64): Ditto.
1915         (*xordi_2_rex64): Ditto.
1916
1917 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1918
1919         PR tree-optimization/36119
1920         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1921         in case of SLP.
1922
1923 2008-06-04  Jan Hubicka  <jh@suse.cz>
1924
1925         tree-optimization/36100
1926         * tree-pass.h (pass_O0_always_inline): Declare.
1927         * ipa-inline.c (inline_transform): Remove dead code.
1928         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1929         pass_O0_always_inline): New.
1930         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1931
1932 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1933
1934         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1935         mnemonic in this_param move for TARGET_64BIT.
1936
1937 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1940         (*strmovsi_rex_1): Ditto.
1941         (*strsetsi_1): Ditto.
1942         (*strsetsi_rex_1): Ditto.
1943
1944         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1945         adddicc expanders using SWI mode iterator.
1946
1947 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1948
1949         PR target/36121
1950         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1951         argument handling.
1952
1953 2008-05-04  David S. Miller  <davem@davemloft.net>
1954
1955         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1956         (sparc*-*-linux*): Use linux.h in tm_file.
1957         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1958         compiler defaulting to 32-bit.
1959         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1960         no longer needed.
1961         * config/sparc/linux.h: Remove definitions now obtained
1962         properly from linux.h
1963         * config/sparc/linux64.h: Likewise.
1964         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1965         don't want this setting for 32-bit builds in a biarch compiler.
1966         * doc/install.texi: Add sparc-linux to list of targets
1967         supporting --enable-targets=all.
1968
1969 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1970
1971         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1972
1973 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1974
1975         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1976         after V4SI_FTYPE_V8HI.
1977         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1978         case V4SI_FTYPE_V2DF.
1979
1980 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1981
1982         * doc/invoke.texi (max-flow-memory-locations): Removed.
1983         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1984
1985 2008-05-03  Richard Guenther  <rguenther@suse.de>
1986
1987         PR middle-end/34973
1988         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1989
1990 2008-05-02  David S. Miller  <davem@davemloft.net>
1991
1992         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1993
1994 2008-05-02  Simon Baldwin <simonb@google.com>
1995
1996         PR bootstrap/36108
1997         * c-common.h (warn_array_subscript_range): Removed.
1998         * c-common.c (warn_array_subscript_range): Ditto.
1999         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
2000         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
2001
2002 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2003
2004         * config/i386/i386.c (ix86_special_builtin_type): New.
2005         (bdesc_special_args): Likewise.
2006         (ix86_expand_special_args_builtin): Likewise.
2007         (ix86_init_mmx_sse_builtins): Updated.
2008         (ix86_expand_builtin): Updated.
2009         (ix86_expand_store_builtin): Removed.
2010         (ix86_expand_unop_builtin): Likewise.
2011
2012         * config/i386/mm3dnow.h (__v2sf): Moved to ...
2013         * config/i386/mmintrin.h (__v2sf): Here.
2014
2015         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
2016         const __v2sf.
2017         (_mm_loadl_pi): Likewise.
2018         (_mm_storeh_pi): Replace __v2si with __v2sf.
2019         (_mm_storel_pi): Likewise.
2020
2021         * doc/extend.texi: Correct __builtin_ia32_loadhps,
2022         __builtin_ia32_loadlps, __builtin_ia32_storehps,
2023         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
2024         __builtin_ia32_loadlpd.
2025
2026 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
2027
2028         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
2029         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
2030         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
2031         (ix86_init_mmx_sse_builtins): Updated.
2032         (ix86_expand_args_builtin): Likewise.
2033         (ix86_expand_builtin): Likewise.
2034         (ix86_expand_unop1_builtin): Renamed to ...
2035         (ix86_expand_unop_vec_merge_builtin): This.
2036
2037 2008-05-01  Jan Hubicka  <jh@suse.cz>
2038
2039         PR bootstrap/36100
2040         * ipa-inline.c (inline_generate_summary): Make static.
2041         (inline_transform): Do not call inlining at -O0; make static.
2042         * passes.c (execute_todo): Add sanity check.
2043         (execute_one_ipa_transform_pass): Execute proper flags.
2044
2045 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
2046
2047         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
2048         (DECL_NONADDRESSABLE_P): Likewise.
2049         * alias.c (record_component_aliases): Fix comment.
2050
2051 2008-05-01  Simon Baldwin <simonb@google.com>
2052
2053         * c-common.h (warn_array_subscript_range): New function.
2054         * c-common.c (warn_array_subscript_range): Ditto.
2055         * tree-vrp.c (check_array_ref): Corrected code to agree with
2056         comment, ignoring only arrays of size 0 or size 1.
2057         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
2058
2059 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2060
2061         * config/i386/i386.c (ix86_builtin_type): Replace
2062         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
2063         (bdesc_args): Updated.
2064         (ix86_init_mmx_sse_builtins): Likewise.
2065         (ix86_expand_args_builtin): Likewise.
2066
2067         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
2068         with __v1di.
2069
2070         * doc/extend.texi: Correct __builtin_ia32_palignr.
2071
2072 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2073
2074         PR target/36095
2075         * config/i386/i386.c (bdesc_crc32): Removed.
2076         (ix86_expand_crc32): Likewise.
2077         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
2078         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
2079         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
2080         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
2081         UINT_FTYPE_UINT_UCHAR.
2082         (bdesc_args): Updated. Add crc32 builtins.
2083         (ix86_init_mmx_sse_builtins): Updated.
2084         (ix86_expand_args_builtin): Updated to support subreg.
2085
2086         * doc/extend.texi: Correct __builtin_ia32_crc32di.
2087
2088 2008-05-01  Jan Hubicka  <jh@suse.cz>
2089
2090         * tree-pass.h (opt_pass): Add IPA_PASS.
2091         (varpool_node, cgraph_node): Forward declare.
2092         (ipa_opt_pass): Define.
2093         (pass_ipa_inline): Turn into ipa_opt_pass.
2094         (pass_apply_inline): Remove.
2095         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
2096         (apply_inline): Turn into ....
2097         (inline_transform): ... this one.
2098         (inline_generate_summary): New function.
2099         (pass_apply_inline): Remove.
2100         * function.h (ipa_opt_pass): Forward declare structure; typedef;
2101         vector.
2102         (struct function): Add ipa_transforms_to_apply.
2103         * passes.c (register_one_dump_file): Work on IPA_PASS.
2104         (init_optimization_passes): Remove pass_inline_parameters and
2105         pass_apply_inline.
2106         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
2107         (execute_one_pass) ... here; apply transforms when possible.
2108         (add_ipa_transform_pass, execute_ipa_summary_asses,
2109         execute_one_ipa_transform_pass): New.
2110         (execute_ipa_pass_list): Update for IPA_PASS type.
2111
2112 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2113
2114         * config/i386/i386.c (ix86_builtin_type): Add
2115         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
2116         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2117         (bdesc_args): Add SSE4a builtins.
2118         (ix86_init_mmx_sse_builtins): Updated.
2119         (ix86_expand_args_builtin): Likewise.
2120         (ix86_expand_builtin): Likewise.
2121
2122 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2123
2124         * config/i386/i386.c (ix86_builtin_type): Add
2125         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2126         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2127         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2128         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2129         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2130         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2131         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2132         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2133         and DI_FTYPE_DI_DI_INT.
2134         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2135         (ix86_init_mmx_sse_builtins): Updated.
2136         (ix86_expand_args_builtin): Likewise.
2137         (ix86_expand_builtin): Likewise.
2138         (ix86_expand_binop_imm_builtin): Removed.
2139
2140         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2141
2142 2008-04-30  Richard Guenther  <rguenther@suse.de>
2143
2144         PR tree-optimization/32921
2145         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2146
2147 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2148
2149         * config/arm/arm.c (arm_unwind_emit): Use
2150         crtl->all_throwers_are_sibcalls instead of
2151         cfun->all_throwers_are_sibcalls.
2152         (arm_output_fn_unwind): Likewise.
2153         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2154         instead of cfun->uses_pic_offset_table.
2155         (frv_expand_prologue): Likewise.
2156         (frv_frame_pointer_required): Likewise.
2157         (frv_expand_fdpic_call): Likewise.
2158         (frv_emit_movsi): Likewise.
2159         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2160         cfun->returns_pcc_struct instead of
2161         current_function_returns_pcc_struct.
2162         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2163         instead of cfun->calls_eh_return.
2164         (m32c_pushm_popm): Likewise.
2165         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2166         "extern" declaration.
2167
2168 2008-04-30  Richard Guenther  <rguenther@suse.de>
2169
2170         PR tree-optimization/21636
2171         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2172         constant address.
2173         (evaluate_stmt): Print the likely value.
2174         (ccp_visit_stmt): Avoid excessive vertical spacing.
2175
2176 2008-04-30  Rafael Espindola  <espindola@google.com>
2177
2178         * builtins.c (fold_call_expr): Return realret.
2179         * tree-ssa-threadedge.c
2180         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2181         __builtin_object_size.
2182
2183 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2184
2185         * gcc.c (wrapper_string): New variable.
2186         (insert_wrapper): New function.
2187         (execute): New option -wrapper.
2188         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2189
2190 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2191
2192         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2193         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2194         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2195         from...
2196         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2197         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2198         config/rs6000/e500crtres64gprctr.asm,
2199         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2200         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2201         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2202         config/rs6000/e500crtsav64gprctr.asm,
2203         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2204         config/rs6000/e500crtsavg64gprctr.asm: New files.
2205         * config/rs6000/t-ppccomm: Add build rules for new files.
2206         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2207         * config/rs6000/t-netbsd: Add build rules for new files.
2208         (LIB2FUNCS_STATIC_EXTRA): New variable.
2209         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2210         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2211         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2212
2213 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2214
2215         * config/i386/i386.c (ix86_builtin_type): Add
2216         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2217         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2218         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2219         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2220         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2221         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2222         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2223         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2224         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2225         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2226         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2227         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2228         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2229         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2230         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2231         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2232         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2233         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2234         V1DI_FTYPE_V2SI_V2SI.
2235         (bdesc_2arg): Moved to ...
2236         (bdesc_args): Here.
2237         (ix86_init_mmx_sse_builtins): Updated.
2238         (ix86_expand_args_builtin): Updated.  Take a pointer
2239         to const struct builtin_description.  Handle comparison
2240         builtin functions.
2241         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2242         (ix86_expand_builtin): Updated.
2243
2244         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2245         (ssse3_pmaddubsw128): This.
2246         (ssse3_pmaddubswv4hi3): Renamed to ...
2247         (ssse3_pmaddubsw): This.
2248
2249         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2250         (__builtin_ia32_packssdw128): Likewise.
2251         (__builtin_ia32_packuswb128): Likewise.
2252         (__builtin_ia32_pmaddubsw): Likewise.
2253         (__builtin_ia32_pmaddubsw128): Likewise.
2254
2255 2008-04-30  Richard Guenther  <rguenther@suse.de>
2256
2257         PR tree-optimization/14847
2258         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2259         (recognize_bits_test): Use it.
2260         (recognize_single_bit_test): Likewise.
2261
2262 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2263
2264         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2265         instead of setting number of formal parameters to zero.
2266         (ipcp_init_stage): Do not set the number of actual parameters to zero
2267         either.
2268         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2269         which are called with variable number of arguments.
2270         (ipcp_insert_stage): Explicitely skipping all nodes which are
2271         called with variable number of arguments.
2272         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
2273         number of parameters.
2274
2275         * ipa-prop.h (struct ipa_node_params): Added flag
2276         called_with_var_arguments
2277         (ipa_set_param_count): Added.  Changed sole setter to use it.
2278         (ipa_get_param_count): Added.  All readers of param_count
2279         converted to use it instead.
2280         (ipa_set_called_with_variable_arg): Added.
2281         (ipa_is_called_with_var_arguments): Added.
2282         (ipa_get_ith_param): Added.  All readers of param_decls converted
2283         to use it instead.
2284         (ipa_set_cs_argument_count): Added, sole writer to argument_count
2285         changed to use it.
2286         (ipa_get_cs_argument_count): Added, all readers of argument_count
2287         changed to cal it.
2288         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
2289         to use it.
2290
2291         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2292         (struct ipcp_lattice): Renamed cval_type to type
2293         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2294
2295         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2296         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2297         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2298         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2299         (build_const_val): Changed the type of parameter cvalue to tree
2300         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2301         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2302
2303         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
2304         constant
2305
2306         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2307         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2308         (ipa_add_method): Renamed to ipa_push_func_to_list
2309         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2310         (ipa_callsite_param_count): Removed.
2311         (ipa_callsite_param_count_set): Removed.
2312         (ipa_callsite_param): Removed.
2313         (ipa_callsite_callee): Removed.
2314         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2315         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2316         (ipa_method_formal_count): Removed.
2317         (ipa_method_formal_count_set): Removed.
2318         (ipa_method_get_tree): Removed.
2319         (ipa_method_tree_map_create): Removed.
2320         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2321         (ipa_create_param_decls_array): Creates the array itself
2322         (ipa_create_param_decls_array): Temporary variable info instead of
2323         a few dereferences.
2324         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2325         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2326         (get_type): Removed.
2327         (ipa_jf_get_info_type): Removed.
2328         (ipa_node_create): Renamed to ipa_create_node_params
2329         (ipa_free): Renamed to ipa_free_all_node_params
2330         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2331         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2332         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2333         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2334         (ipa_free_all_node_params): Deallocation to jump_functions moved to
2335         ipa_free_all_edge_args
2336         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2337         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2338         (ipa_create_methodlist_node): Removed.
2339         (ipa_methodlist_method): Removed.
2340         (ipa_methodlist_method_set): Removed.
2341         (ipa_methodlist_next_method): Removed.
2342         (ipa_methodlist_next_method_set): Removed.
2343         (ipa_method_is_modified): Removed.
2344         (ipa_method_modify_create): Removed.
2345         (ipa_method_modify_init): Temporary variable info instead of a few
2346         dereferences.
2347         (ipa_detect_param_modifications): Temporary variable info instead of
2348         a few dereferences.
2349         (ipa_compute_jump_functions): Temporary variable info instead of
2350         a few dereferences.
2351         (ipa_method_modify_set): Removed.
2352         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2353         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
2354         than craph_node as the first parameter.
2355         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2356         (ipa_method_modify_init): Removed.
2357         (ipa_compute_jump_functions): Added a temp variable instead of
2358         repeatadly dereferencing the cgraph_edge.aux pointer
2359         (ipa_callsite_param_set_type): Removed.
2360         (ipa_compute_jump_functions): i renamed to index and moved to
2361         an inner block
2362         (ipa_callsite_param_set_info_type_formal): Removed.
2363         (ipa_callsite_param_set_info_type): Removed.
2364         (ipa_callsite_param_map_create): Removed.
2365         (ipa_callsite_tree): Removed.
2366         (ipa_callsite_caller): Removed.
2367         (ipa_pop_func_from_list): return_method removed to return_func
2368
2369         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2370         prefixed all values with IPA_. Changed all users.
2371         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
2372         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
2373         and FORMAL_IPATYPE IPA_PASS_THROUGH.
2374         (union parameter_info): Renamed to jump_func_value.
2375         (union jump_func_value): Renamed value to constant
2376         (struct ipa_jump_func): Renamed info_type to value
2377         (struct ipa_node): Renamed to ipa_node_params
2378         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2379         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2380         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2381         (struct ipa_edge): Renamed to ipa_edge_args
2382         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2383         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2384         (struct ipa_methodlist): Renamed to ipa_func_list
2385         (struct ipa_func_list): method_p renamed to node, next_method
2386         renamed to next
2387         (ipa_methodlist_p): Removed, switched all users to struct pointer
2388         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2389
2390 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2391
2392         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2393         (rs6000_emit_epilogue): Use backchain to restore only when we
2394         have a large frame.  Make use of frame pointer to restore if we
2395         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2396
2397 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2398
2399         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2400         Add mode to zero_extract.
2401         (sign bit tests peepholes): (Ditto.).
2402
2403 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2404
2405         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2406         Instructions in comments with SSE3.
2407         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2408         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2409         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2410         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2411         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2412         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2413         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2414         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2415         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2416         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2417         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2418         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2419         (bdesc_sse_args): Renamed to ...
2420         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2421         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2422         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2423         IX86_BUILTIN_FABSQ.
2424         (bdesc_1arg): Moved to ...
2425         (bdesc_args): Here.
2426         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2427         Instructions in comments with SSE3.
2428         (ix86_expand_sse_operands_builtin): Renamed to ...
2429         (ix86_expand_args_builtin): This.  Updated.
2430         (ix86_expand_unop1_builtin): Update comments.
2431         (ix86_expand_builtin): Updated.
2432
2433 2008-04-29  Richard Guenther  <rguenther@suse.de>
2434
2435         PR tree-optimization/36078
2436         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2437         Update virtual SSA form after cleaning up the CFG.
2438
2439 2008-04-29  Richard Guenther  <rguenther@suse.de>
2440
2441         PR middle-end/15255
2442         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2443
2444 2008-04-29  Richard Guenther  <rguenther@suse.de>
2445
2446         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2447         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2448         (compute_flow_insensitive_aliasing): Do not treat
2449         PTR_IS_REF_ALL pointers special.
2450         (get_smt_for): Likewise.
2451         (may_alias_p): Re-structure.
2452         (is_escape_site): A ref-all pointer conversion is not an escape site.
2453         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2454         PTR_IS_REF_ALL pointers special.
2455         * tree-ssa-structalias.h (struct alias_info): Remove
2456         ref_all_symbol_mem_tag field.
2457         (PTR_IS_REF_ALL): Remove.
2458
2459 2008-04-29  Richard Guenther  <rguenther@suse.de>
2460
2461         PR middle-end/36077
2462         * fold-const.c (extract_muldiv_1): In combining division constants
2463         make sure to never overflow.
2464
2465 2008-04-29  Nick Clifton  <nickc@redhat.com>
2466
2467         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2468
2469 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2470
2471         PR bootstrap/35169
2472         * optc-gen.awk: Work around HP-UX/IA awk bug.
2473
2474 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2475
2476         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2477         2008-04-25 commit.
2478
2479 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2480
2481         PR target/36073
2482         * config/i386/i386.md
2483         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2484         Change operand 1 predicate to nonimmediate_operand.
2485
2486 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2487
2488         PR debug/36060
2489         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2490         die_sub field.
2491         * gengtype.c (walk_type, write_func_for_structure): Handle
2492         chain_circular.
2493         * doc/gty.texi: Document chain_circular.
2494
2495 2008-04-28  Richard Guenther  <rguenther@suse.de>
2496
2497         PR tree-optimization/36066
2498         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2499         SCEV and loop.
2500
2501 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2502
2503         PR target/36064
2504         * config/i386/i386.md
2505         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2506         Use match_scratch instead of match_operand for operands 3 and 4.
2507
2508 2008-04-27  Richard Guenther  <rguenther@suse.de>
2509
2510         PR tree-optimization/18754
2511         PR tree-optimization/34223
2512         * tree-pass.h (pass_complete_unrolli): Declare.
2513         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2514         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2515         Rewrite loop into loop closed SSA form if it is not already.
2516         (tree_unroll_loops_completely): Re-structure to iterate over
2517         innermost loops with intermediate CFG cleanups.
2518         Unroll outermost loops only if requested or the code does not grow
2519         doing so.
2520         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2521         loops are available.
2522         (tree_vectorize): Instead do so here.
2523         (tree_complete_unroll): Also unroll outermost loops.
2524         (tree_complete_unroll_inner): New function.
2525         (gate_tree_complete_unroll_inner): Likewise.
2526         (pass_complete_unrolli): New pass.
2527         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2528         uses outside of the loop.
2529         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2530         form if it is available.
2531         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2532         * passes.c (init_optimization_passes): Schedule complete inner
2533         loop unrolling pass before the first CCP pass after final inlining.
2534
2535 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2536
2537         * targhooks.h (default_emutls_var_fields,
2538         default_emutls_var_init): Declare.
2539         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2540         * target.h (struct gcc_target): Add struct emutls member.
2541         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2542         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2543         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2544         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2545         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2546         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2547         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2548         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2549         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2550         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2551         emit debug information.
2552         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2553         * varasm.c: Include targhooks.h.
2554         (emutls_object_section, emutls_tmpl_section): New.
2555         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2556         (EMUTLS_SEPARATOR): New.
2557         (prefix_name): New.
2558         (get_emutls_object_name): New.
2559         (default_emutls_var_fields): New, broken out of ...
2560         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2561         (get_emutls_init_templ_addr): Adjust to use target hooks.
2562         (emutls_decl): Adjust to use target hooks.
2563         (emutls_finish): Likewise.
2564         (default_emutls_var_init): New, broken out of ...
2565         (assemble_variable): ... here.  Adjust to use target hooks.
2566         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2567         SECCAT_EMUTLS_TMPL.
2568         * c-common.c (handle_section_attribute): Prevent overriding
2569         sections for emulated tls with special sections.
2570         * config/i386/i386.c (x86_64_elf_select_section): Add
2571         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2572         (x86_64_elf_unique_section): Likewise.
2573         * config/vxworks.c: Include tree.h.
2574         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2575         (vxworks_override_options): Set TLS scheme.
2576         * doc/tm.texi (Emulated TLS): New node.
2577
2578 2008-04-26  Simon Baldwin <simonb@google.com>
2579
2580         PR c/35652
2581         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2582         with propagated string constants.
2583
2584 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2585
2586         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2587         constraint for operand 2 when operand 0 is memory operand.
2588         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2589         operand 0 is memory operand.
2590         (fix_trunc<mode>_i387_with_temp): Ditto.
2591         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2592         operand 2 when operand 1 is memory operand.
2593         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2594         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2595         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2596         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2597         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2598         operands 2,3 and 4 when operand 1 is memory operand.
2599         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2600         is memory operand.
2601         (fistdi2_floor_with_temp): Ditto.
2602         (fist<mode>2_floor_with_temp): Ditto.
2603         (fistdi2_ceil_with_temp): Ditto.
2604         (fist<mode>2_ceil_with_temp): Ditto.
2605         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2606
2607 2008-04-26  David Daney  <ddaney@avtrex.com>
2608
2609         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2610         unspec_volitile.
2611         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2612         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2613         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2614         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2615         (compare_and_swap_12): New insn.
2616         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2617         * config/mips/mips.c (mips_force_binary): New function.
2618         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2619         (mips_expand_compare_and_swap_12): New function.
2620         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2621
2622 2008-04-25  Jan Hubicka  <jh@suse.cz>
2623
2624         PR testsuite/35843
2625         * cfgexpand.c (pass_expand): Turn into RTL pass.
2626         * passes.c (execute_one_pass): Do pass typechecking after execution.
2627         * tree-pass.h (pass_expand): Turn into RTL pass.
2628
2629         * function.h (struct rtl_data): Move here fields
2630         accesses_prior_frames, calls_eh_return, saves_all_registers,
2631         has_nonlocal_goto, has_asm_statement, is_thunk,
2632         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2633         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2634         arg_pointer_save_area_init from struct function; turn into bool.
2635         (struct function): Move
2636         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2637         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2638         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2639         tail_call_emit, arg_pointer_save_area_init
2640         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2641         (current_function_returns_struct, current_function_returns_pcc_struct,
2642         current_function_calls_setjmp, current_function_calls_alloca,
2643         current_function_accesses_prior_frames,
2644         current_function_calls_eh_return, current_function_is_thunk,
2645         current_function_stdarg, current_function_profile,
2646         current_function_limit_stack, current_function_uses_pic_offset_table,
2647         current_function_uses_const_pool, current_function_has_nonlocal_label,
2648         current_function_saves_all_registers,
2649         current_function_has_nonlocal_goto,
2650         current_function_has_asm_statement): Remove accesor macros.
2651         * ra-conflict.c (global_conflicts): Update.
2652         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2653         (suitable_for_tail_call_opt_p): Update.
2654         * builtins.c (expand_builtin_return_addr): Update.
2655         (expand_builtin_setjmp_setup): Update.
2656         (expand_builtin_nonlocal_goto): Update.
2657         * final.c (final_start_function): Update.
2658         (profile_function): Update.
2659         (leaf_function_p): Update.
2660         (only_leaf_regs_used): Update.
2661         * df-scan.c (df_get_exit_block_use_set): Update.
2662         * dojump.c (clear_pending_stack_adjust): Update.
2663         * tree-stdarg.c (gate_optimize_stdarg): Update.
2664         * gimple-low.c (lower_function_body): Update.
2665         * global.c (compute_regsets): Update.
2666         (global_alloc): Update.
2667         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2668         * expr.c (expand_assignment): Update.
2669         * dse.c (dse_step0): Update.
2670         (dse_step1): Update.
2671         * c-decl.c (store_parm_decls): Update.
2672         * local-alloc.c (combine_regs): Update.
2673         (find_free_reg): Update.
2674         * function.c (assign_parms_augmented_arg_list): Update.
2675         (assign_parm_find_data_types): Update.
2676         (assign_parms): Update.
2677         (allocate_struct_function): Update.
2678         (expand_function_start): Update.
2679         (expand_function_end): Update.
2680         (get_arg_pointer_save_area): Update.
2681         (thread_prologue_and_epilogue_insns): Update.
2682         (rest_of_match_asm_constraints): Update.
2683         * stor-layout.c (variable_size): Update.
2684         * gcse.c (gcse_main): Update.
2685         (bypass_jumps): Update.
2686         * gimplify.c (gimplify_function_tree): Update.
2687         * calls.c (emit_call_1): Update.
2688         (expand_call): Update.
2689         * bt-load.c (compute_defs_uses_and_gen): Update.
2690         * except.c (sjlj_assign_call_site_values): Update.
2691         (sjlj_emit_function_enter): Update.
2692         (can_throw_external): Update.
2693         (set_nothrow_function_flags): Update.
2694         (expand_builtin_unwind_init): Update.
2695         (expand_eh_return): Update.
2696         (convert_to_eh_region_ranges): Update.
2697         (output_function_exception_table): Update.
2698         * emit-rtl.c (gen_tmp_stack_mem): Update.
2699         * cfgexpand.c (expand_used_vars): Update.
2700         (tree_expand_cfg): Update.
2701         * cfgcleanup.c (rest_of_handle_jump): Update.
2702         * explow.c (allocate_dynamic_stack_space): Update.
2703         * varasm.c (assemble_start_function): Update.
2704         (force_const_mem): Update.
2705         (mark_constant_pool): Update.
2706         * tree-optimize.c (tree_rest_of_compilation): Update.
2707         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2708         * tree-cfg.c (notice_special_calls): Update.
2709         (is_ctrl_altering_stmt): Update.
2710         (tree_can_make_abnormal_goto): Update.
2711         (tree_purge_dead_abnormal_call_edges): Update.
2712         * config/alpha/predicates.md: Update.
2713         * config/alpha/alpha.c (alpha_sa_mask): Update.
2714         (alpha_sa_size): Update.
2715         (alpha_does_function_need_gp): Update.
2716         (alpha_expand_prologue): Update.
2717         (alpha_start_function): Update.
2718         (alpha_output_function_end_prologue): Update.
2719         (alpha_expand_epilogue): Update.
2720         * config/frv/frv.c (frv_stack_info): Update.
2721         (frv_expand_epilogue): Update.
2722         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2723         (s390_register_info): Update.
2724         (s390_frame_info): Update.
2725         (s390_init_frame_layout): Update.
2726         (s390_can_eliminate): Update.
2727         (save_gprs): Update.
2728         * config/spu/spu.c (spu_split_immediate): Update.
2729         (need_to_save_reg): Update.
2730         (spu_expand_prologue): Update.
2731         (spu_expand_epilogue): Update.
2732         * config/sparc/sparc.md: Update.
2733         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2734         (sparc_tls_got): Update.
2735         (legitimize_pic_address): Update.
2736         (sparc_emit_call_insn): Update.
2737         (sparc_expand_prologue): Update.
2738         (output_return): Update.
2739         (print_operand): Update.
2740         (sparc_function_ok_for_sibcall): Update.
2741         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2742         * config/m32r/m32r.md: Update.
2743         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2744         (m32r_compute_frame_size): Update.
2745         (m32r_expand_prologue): Update.
2746         (m32r_expand_epilogue): Update.
2747         (m32r_legitimize_pic_address): Update.
2748         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2749         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2750         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2751         (gen_push): Update.
2752         (ix86_save_reg): Update.
2753         (ix86_compute_frame_layout): Update.
2754         (ix86_expand_prologue): Update.
2755         (ix86_expand_epilogue): Update.
2756         * config/sh/sh.c (output_stack_adjust): Update.
2757         (calc_live_regs): Update.
2758         (sh5_schedule_saves): Update.
2759         (sh_expand_prologue): Update.
2760         (sh_expand_epilogue): Update.
2761         (sh_setup_incoming_varargs): Update.
2762         (sh_allocate_initial_value): Update.
2763         (sh_get_pr_initial_val): Update.
2764         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2765         * config/sh/sh.md (label:): Update.
2766         * config/avr/avr.c (out_movhi_mr_r): Update.
2767         * config/crx/crx.h (enum): Update.
2768         * config/xtensa/xtensa.h (along): Update.
2769         * config/stormy16/stormy16.c Update.
2770         (xstormy16_compute_stack_layout): Update.
2771         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2772         (fr30_expand_prologue): Update.
2773         * config/cris/cris.c (cris_conditional_register_usage): Update.
2774         (cris_reg_saved_in_regsave_area): Update.
2775         (cris_initial_frame_pointer_offset): Update.
2776         (cris_simple_epilogue): Update.
2777         (cris_expand_prologue): Update.
2778         (cris_expand_epilogue): Update.
2779         (cris_expand_pic_call_address): Update.
2780         (cris_asm_output_symbol_ref): Update.
2781         (cris_asm_output_label_ref): Update.
2782         * config/cris/cris.md Update.
2783         * config/iq2000/iq2000.c (compute_frame_size): Update.
2784         (iq2000_expand_epilogue): Update.
2785         * config/mt/mt.h (save_direction): Update.
2786         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2787         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2788         (ia64_secondary_reload_class): Update.
2789         * config/m68k/m68k.c (m68k_save_reg): Update.
2790         (m68k_expand_prologue): Update.
2791         (m68k_expand_epilogue): Update.
2792         (legitimize_pic_address): Update.
2793         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2794         (first_reg_to_save): Update.
2795         (first_altivec_reg_to_save): Update.
2796         (compute_vrsave_mask): Update.
2797         (compute_save_world_info): Update.
2798         (rs6000_stack_info): Update.
2799         (spe_func_has_64bit_regs_p): Update.
2800         (rs6000_ra_ever_killed): Update.
2801         (rs6000_emit_eh_reg_restore): Update.
2802         (rs6000_emit_allocate_stack): Update.
2803         (rs6000_emit_prologue): Update.
2804         (rs6000_emit_epilogue): Update.
2805         (rs6000_output_function_epilogue): Update.
2806         (output_profile_hook): Update.
2807         (rs6000_elf_declare_function_name): Update.
2808         * config/rs6000/rs6000.h (rs6000_args): Update.
2809         * config/rs6000/rs6000.md: Update.
2810         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2811         * config/arc/arc.c (arc_output_function_epilogue): Update.
2812         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2813         * config/darwin.c (machopic_function_base_name): Update.
2814         * config/score/score3.c (score3_compute_frame_size): Update.
2815         (rpush): Update.
2816         (rpop): Update.
2817         (score3_epilogue): Update.
2818         * config/score/score7.c (score7_compute_frame_size): Update.
2819         (score7_prologue): Update.
2820         (score7_epilogue): Update.
2821         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2822         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2823         * config/arm/arm.c (use_return_insn): Update.
2824         (require_pic_register): Update.
2825         (arm_load_pic_register): Update.
2826         (arm_compute_save_reg0_reg12_mask): Update.
2827         (arm_compute_save_reg_mask): Update.
2828         (thumb1_compute_save_reg_mask): Update.
2829         (output_return_instruction): Update.
2830         (arm_output_function_prologue): Update.
2831         (arm_output_epilogue): Update.
2832         (arm_get_frame_offsets): Update.
2833         (arm_expand_prologue): Update.
2834         (thumb_pushpop): Update.
2835         (thumb_exit): Update.
2836         (thumb1_expand_prologue): Update.
2837         (thumb1_expand_epilogue): Update.
2838         (arm_unwind_emit): Update.
2839         (arm_output_fn_unwind): Update.
2840         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2841         * config/arm/arm.md: Update.
2842         * config/pa/pa.md: Update.
2843         * config/pa/pa.c (legitimize_pic_address): Update.
2844         (compute_frame_size): Update.
2845         (hppa_expand_prologue): Update.
2846         (hppa_expand_epilogue): Update.
2847         (borx_reg_operand): Update.
2848         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2849         (HARD_REGNO_RENAME_OK): Update.
2850         * config/mips/mips.c (mips_global_pointer): Update.
2851         (mips_save_reg_p): Update.
2852         (mips_compute_frame_info): Update.
2853         (mips_frame_pointer_required): Update.
2854         (mips_expand_prologue): Update.
2855         (mips_expand_epilogue): Update.
2856         (mips_can_use_return_insn): Update.
2857         (mips_reorg_process_insns): Update.
2858         * config/v850/v850.c (compute_register_save_size): Update.
2859         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2860         * config/mmix/mmix.c (along): Update.
2861         (mmix_expand_epilogue): Update.
2862         * config/bfin/bfin.c (legitimize_pic_address): Update.
2863         (must_save_p): Update.
2864         (stack_frame_needed_p): Update.
2865         (add_to_reg): Update.
2866         (bfin_expand_prologue): Update.
2867         * stmt.c (expand_asm_operands): Update.
2868         * reload1.c (reload): Update.
2869         (init_elim_table): Update.
2870
2871 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2872
2873         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2874
2875 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2876
2877         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2878         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2879         (mov<mode>): Removed.
2880         (*movv4sf_internal): Likewise.
2881         (*movv2df_internal): Likewise.
2882
2883 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2884
2885         * config.gcc (crx-*-elf): Remove deprecation.
2886
2887 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2888
2889         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2890         __gcc_deregister_frame with atexit.
2891         (deregister_frame_dtor): Remove.
2892
2893 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2894             Nathan Sidwell  <nathan@codesourcery.com>
2895
2896         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2897         (misel): Likewise.
2898         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2899         (rs6000_isel): Likewise.
2900         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2901         (rs6000_isel): New variable.
2902         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2903
2904 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2905
2906         PR c++/35758
2907         * c-common.c (handle_vector_size_attribute): Call
2908         lang_hooks.types.reconstruct_complex_type instead of
2909         reconstruct_complex_type.
2910         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2911         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2912         * langhooks.h (struct lang_hooks_for_types): Add
2913         reconstruct_complex_type hook.
2914         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2915         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2916
2917 2008-04-24  Richard Guenther  <rguenther@suse.de>
2918
2919         * c-common.h (check_builtin_function_arguments): Declare.
2920         * c-common.c (validate_nargs): New function.
2921         (check_builtin_function_arguments): Likewise.
2922         * c-typeck.c (build_function_call): Call
2923         check_builtin_function_arguments.
2924         * builtins.c (fold_builtin_classify): Remove error reporting code.
2925         (fold_builtin_unordered_cmp): Likewise.
2926         (fold_builtin_1): Likewise.
2927         (fold_builtin_n): Likewise.
2928
2929 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2930
2931         PR tree-optimization/36008
2932         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2933         the original op1, rather than delta by step.
2934
2935 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2936             Sebastian Pop  <sebastian.pop@amd.com>
2937
2938         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2939         eliminate_local_variables_stmt, eliminate_local_variables,
2940         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2941         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2942         of code delimited by two edges in the CFG.
2943         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2944         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2945         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
2946         the case of parallelisation of reductions.
2947         (expr_invariant_in_region_p): New.
2948
2949         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2950         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2951
2952 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2953             Richard Guenther  <rguenther@suse.de>
2954
2955         PR tree-optimization/36034
2956         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2957         incapable of dealing with loads with gaps.
2958
2959 2008-04-24  Rafael Espindola  <espindola@google.com>
2960
2961         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2962         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2963         vrp_evaluate_conditional.
2964         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2965         (vrp_evaluate_conditional): Split the cond argument.
2966         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2967         (simplify_stmt_for_jump_threading): Update call to
2968         vrp_evaluate_conditional.
2969
2970 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2971
2972         PR tree-optimization/35982
2973         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2974         interleaved data-refs are of the same type.
2975
2976 2008-04-24  Danny Smith  <dannysmith@users.net>
2977
2978         * c-format.c (check_format_info_main): Use strncmp rather than a
2979         magic prefix to handle multichar length specs.
2980         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2981         Don't prefix "I64" and "I32" with '\0'.
2982
2983 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2984
2985         PR target/36015
2986         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2987         in registers for -m32 only if stdarg_p (fntype).
2988
2989 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2990
2991         PR rtl-optimization/36006
2992         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2993         temp to op0 in order to avoid invalid rtx sharing.
2994
2995 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2996
2997         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2998         check TREE_INVARIANT.
2999         * tree-gimple.c (is_gimple_address): New.
3000         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
3001         * tree-gimple.h (is_gimple_address): New.
3002         * tree.h (decl_address_invariant_p): New.
3003         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
3004         (build_string): Likewise.
3005         (decl_address_invariant_p): New, from is_gimple_invariant_address.
3006         (tree_invariant_p_1): Likewise.
3007         (save_expr): Use it.
3008         (tree_invariant_p): New.
3009         (skip_simple_arithmetic): Use it.
3010         (stabilize_reference_1): Use it.
3011         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
3012         simplify.
3013         (build1_stat): Drop code to compute TREE_INVARIANT.
3014         (build2_stat): Drop code to compute TREE_INVARIANT.
3015         (build3_stat): Drop code to compute TREE_INVARIANT.
3016         (build4_stat): Drop code to compute TREE_INVARIANT.
3017         (build5_stat): Drop code to compute TREE_INVARIANT.
3018         (build7_stat): Drop code to compute TREE_INVARIANT.
3019         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
3020         * tree.h (struct tree_base): Remove invariant_flag.
3021         (TREE_INVARIANT): Remove.
3022         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
3023         (fold_builtin_expect): Check TREE_CONSTANT.
3024         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
3025         * c-tree.h (c_expr_to_decl): Drop third parameter.
3026         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
3027         (build_c_cast): Don't set TREE_INVARIANT.
3028         (pop_init_level): Don't set TREE_INVARIANT.
3029         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
3030         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
3031         TREE_CONSTANT.
3032         (gimplify_init_constructor): Don't set TREE_INVARIANT.
3033         (gimplify_addr_expr): Adjust comment.
3034         * tree-mudflap.c (mf_build_string):
3035         * print-tree.c (print_node): Don't print TREE_INVARIANT.
3036         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
3037         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
3038         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
3039         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
3040         * langhooks.h (struct lang_hooks): Drop third parameter from
3041         expr_to_decl.
3042
3043 2008-04-23  Richard Guenther  <rguenther@suse.de>
3044
3045         PR tree-optimization/27799
3046         PR tree-optimization/32921
3047         PR tree-optimization/32624
3048         * tree-ssa-structalias.c (merge_smts_into): Only merge the
3049         SMTs aliases and the tag itself into the solution.
3050         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
3051         merge the points-to solution back into the SMT aliases.
3052         (may_alias_p): Use alias_set_subset_of instead of
3053         aliases_conflict_p.  A pointer which points to
3054         memory with alias set zero may access any variable.
3055
3056 2008-04-23  Richard Guenther  <rguenther@suse.de>
3057
3058         * alias.c (alias_set_subset_of): Correctly handle asking
3059         if zero is a subset of an alias set with zero child.
3060         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
3061         (compute_flow_insensitive_aliasing): Correctly walk all
3062         pointers.  Do not unnecessarily union sets.
3063
3064 2008-04-23  Richard Guenther  <rguenther@suse.de>
3065
3066         PR middle-end/36021
3067         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
3068
3069 2008-04-22  Tomas Bily  <tbily@suse.cz>
3070
3071         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
3072         unreachable case.
3073         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
3074         NON_LVALUE_EXPR.
3075         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
3076         * tree-ssa-structalias.c (get_constraint_for): Likewise.
3077         * tree-inline.c (estimate_num_insns_1): Likewise.
3078         * varasm.c (const_hash_1, compare_constant, copy_constant)
3079         (compute_reloc_for_constant, output_addressed_constants): Likewise.
3080         * emit-rtl.c (component_ref_for_mem_expr)
3081         (set_mem_attributes_minus_bitpos): Likewise.
3082         * expr.c (highest_pow2_factor, expand_expr_real_1, )
3083         (is_aligning_offset): Likewise.
3084         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
3085         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
3086         * dojump.c (do_jump): Likewise.
3087         * builtins.c (get_pointer_alignment, get_memory_rtx)
3088         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
3089         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
3090
3091 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
3092
3093         PR rtl-optimization/36017
3094         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
3095         expanding the library call.
3096
3097 2008-04-22  Ian Lance Taylor  <iant@google.com>
3098
3099         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
3100         than size_in_bytes.
3101
3102 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
3103
3104         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
3105         of LR/CTR moves for Power6.
3106
3107 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
3108
3109         PR middle-end/36003
3110         * passes.c (init_optimization_passes): Remove
3111         pass_fast_rtl_byte_dce.
3112
3113 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         PR target/29096
3116         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3117         builtin functions to generate faster code.
3118         (_mm_cvtpu16_ps): Ditto.
3119         (_mm_cvtpi32x2_ps): Ditto.
3120
3121 2008-04-22  Nick Clifton  <nickc@redhat.com>
3122
3123         * common.opt (ftree-loop-distribution): Add Optimization
3124         attribute.
3125
3126         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3127         (frv_expand_builtin_va_start): Likewise.
3128
3129         * config/arm/arm.c (thumb_find_work_register): Fix location of
3130         argument register count.
3131
3132 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3133
3134         Support scheduling for ColdFire V1 and V3 microarchitecture.
3135         Improve scheduling of multiplication instructions.
3136
3137         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3138         (mac): New instruction attribute.
3139         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3140         (m68k_sched_mac): New variable.
3141         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3142         Handle cfv1 and cfv3.
3143         (max_insn_size): New static variable.
3144         (struct _sched_ib): New type.
3145         (sched_ib): New static variable.
3146         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3147         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3148         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3149         Update.
3150         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3151         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3152         new variables.  Update.
3153         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3154         Add modeling of cfv3 instruction buffer.  Update.
3155         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3156         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3157         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3158         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3159         a particular reservation applies to.
3160         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3161         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3162         to mul_l and mul_w.
3163         (cf_ib_*): Simplify description of instruction buffer.
3164         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3165         (cf_mem): Split into cf_mem1 and cf_mem2.
3166         (cf_v2_move_??): Rename to cfv12_alu_??.
3167         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3168         (cf_v2_mul_??): Remove reservations.
3169         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3170         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3171         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3172         appropriate place.
3173         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3174         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3175         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3176         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3177         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3178         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3179         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3180         expansions of the above reservations for instructions of sizes
3181         1, 2 and 3 words.
3182
3183 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3184
3185         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3186
3187 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3188
3189         * coverage.c: Include tree-pass.h.
3190         (coverage_counter_alloc): Print da_file_name to the dump file.
3191
3192 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3193
3194         * sbitmap.c (sbitmap_range_empty_p): New function.
3195         * sbitmap.h (sbitmap_range_empty_p): New function.
3196         * bitmap.h: Now includes obstack.h.
3197
3198 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3199             Kenneth Zadeck  <zadeck@naturalbridge.com>
3200
3201         * dbgcnt.def (ra_byte_scan): Added.
3202         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3203         when the last hit happens for a counter.
3204         * timevar.def (TV_DF_BYTE_LR): New variable.
3205         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3206         * passes.c (pass_fast_rtl_byte_dce): New pass.
3207         * fwprop.c (update_df): Added mode to call df_ref_create.
3208         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3209         DF_REF_EXTRACT_OFFSET.
3210         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
3211         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3212         (df_mm): New enum.
3213         (df_ref_extract): Added mode field.
3214         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3215         DF_REF_EXTRACT_OFFSET.
3216         (DF_REF_EXTRACT_MODE): New macro.
3217         (df_byte_lr_bb_info): New structure.
3218         (df_print_byte_regset, df_compute_accessed_bytes,
3219         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3220         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3221         df_byte_lr_simulate_uses,
3222         df_byte_lr_simulate_artificial_refs_at_top,
3223         df_byte_lr_simulate_artificial_refs_at_end,
3224         df_compute_accessed_bytes): New function.
3225         (df_ref_create): Add parameter.
3226         (df_byte_lr_get_bb_info): New inline function.
3227         * df-scan.c (df_ref_record, df_uses_record,
3228         df_ref_create_structure): Added mode parameter.
3229         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
3230         df_defs_record, df_uses_record, df_get_conditional_uses,
3231         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3232         df_entry_block_defs_collect, df_exit_block_uses_collect):
3233         Added mode parameter to calls to df_ref_record, df_uses_record,
3234         df_ref_create_structure.
3235         (df_ref_equal_p, df_ref_compare): Added test for modes.
3236         (df_ref_create_structure): Added code to set mode.  Renamed
3237         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3238         DF_REF_EXTRACT_OFFSET.
3239         * df-core.c (df_print_byte_regset): New function.
3240         * df-byte-scan.c: New file.
3241         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3242         calls to BITMAP_FREE.
3243         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3244         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3245         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
3246         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
3247         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3248         df_byte_lr_local_compute, df_byte_lr_init,
3249         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
3250         df_byte_lr_transfer_function, df_byte_lr_free,
3251         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3252         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
3253         df_byte_lr_simulate_uses,
3254         df_byte_lr_simulate_artificial_refs_at_top,
3255         df_byte_lr_simulate_artificial_refs_at_end): New function.
3256         * dce.c (byte_dce_process_block): New function.
3257         (dce_process_block): au is now passed in rather than computed
3258         locally.  Changed loops that look at artificial defs to not look
3259         for conditional or partial ones, because there never are any.
3260         (fast_dce): Now is able to drive byte_dce_process_block or
3261         dce_process_block depending on the kind of dce being done.
3262         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3263         (rest_of_handle_fast_byte_dce): New function.
3264         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3265         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3266
3267 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3268
3269         PR fortran/35019
3270         * gcc.h: Added fortran options that take arguments to
3271         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3272         macros.
3273
3274 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3275
3276         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3277         scalarization if on the LHS and not a full access.
3278
3279 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3280
3281         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3282
3283 2008-04-18  Rafael Espindola  <espindola@google.com>
3284
3285         * tree-vrp.c (find_case_label_index): Fix the binary search.
3286         (find_case_label_range): New.
3287         (vrp_visit_switch_stmt): Use find_case_label_range.
3288         (simplify_switch_using_ranges): Use find_case_label_range.
3289
3290 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3291
3292         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3293         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3294
3295 2008-04-18  Tom Tromey  <tromey@redhat.com>
3296
3297         PR libcpp/15500:
3298         * doc/cpp.texi (Implementation-defined behavior): Mention
3299         -finput-charset.
3300
3301 2008-04-18  Ian Lance Taylor  <iant@google.com>
3302
3303         * fold-const.c (pointer_may_wrap_p): New static function.
3304         (fold_comparison): Add another test for pointer overflow.  Use
3305         pointer_may_wrap_p to disable some false positives.
3306
3307 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3308
3309         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3310         (fname_as_string): Match updated cpp_interpret_string prototype.
3311         (fix_string_type): Support char16_t* and char32_t*.
3312         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3313         derivative) nodes.  Register as builtin if C++0x.
3314         (c_parse_error): Support CPP_CHAR{16,32}.
3315         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
3316         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3317         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3318         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3319         CTI_CHAR32_ARRAY_TYPE>: New elements.
3320         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3321         char32_type_node, signed_char32_type_node, char16_array_type_node,
3322         char32_array_type_node): New defines.
3323         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3324         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3325         (lex_string): Support CPP_STRING{16,32}, match updated
3326         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3327         (lex_charconst): Support CPP_CHAR{16,32}.
3328         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3329         and CPP_STRING{16,32}.
3330
3331 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3332
3333         PR bootstrap/35457
3334         * aclocal.m4: Regenerate.
3335         * configure: Regenerate.
3336
3337 2008-04-18  Jan Hubicka  <jh@suse.cz>
3338
3339         * except.c (dw2_size_of_call_site_table,
3340         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3341
3342         * cgraphbuild.c (build_cgraph_edges): Update.
3343         * tree-pass.h: Update comment.
3344         * final.c (leaf_function_p): Update.
3345         (leaf_renumber_regs): Update.
3346         (rest_of_clean_state): Update.
3347         * omp-low.c (expand_omp_parallel): Update.
3348         * ipa-reference.c (analyze_function): Update.
3349         * reorg.c (find_end_label): Update.
3350         (optimize_skip): Update.
3351         (fill_simple_delay_slots): Update.
3352         (fill_simple_delay_slots): Update.
3353         (make_return_insns): Update.
3354         (dbr_schedule): Update.
3355         * gimple-low.c (record_vars_into): Update.
3356         * cfgbuild.c (make_edges): Update.
3357         * function.c (assign_stack_local): Update.
3358         (assign_parm_adjust_stack_rtl): Update.
3359         (locate_and_pad_parm): Update.
3360         (allocate_struct_function): Do not initialize stack_alignment_needed
3361         and preferred_stack_boundary here.
3362         (stack_protect_prologue): Update.
3363         (stack_protect_epilogue): Update.
3364         (expand_function_start): Initialize stack_alignment_needed,
3365         preferred_stack_boundary and max_jumptable_ents.
3366         (expand_function_end): Update.
3367         (free_after_compilation): Do not NULLify epilogue_delay_list.
3368         * function.h (struct rtl_data): Add stack_protect_guard,
3369         stack_alignment_needed,
3370         preferred_stack_boundary, epilogue_delay_list.
3371         (struct function): Remove value_histograms, stack_alignment_needed,
3372         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3373         last_label_uid,
3374         unexpanded_var_list, stack_protect_guard.
3375         (current_function_epilogue_delay_list): Remove.
3376         * ipa-type-escape.c (analyze_function): Update.
3377         * gimplify.c (pop_gimplify_context): Update comment.
3378         * calls.c (expand_call): Update.
3379         (emit_library_call_value_1): Update.
3380         * except.c (set_nothrow_function_flags): Update.
3381         * cfgexpand.c (get_decl_align_unit): Update.
3382         (create_stack_guard): Update.
3383         (estimated_stack_frame_size): Update.
3384         (expand_used_vars): Update.
3385         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3386         * explow.c (allocate_dynamic_stack_space): Update.
3387         * tree-ssa-live.c (remove_unused_locals): Update.
3388         * varasm.c (mark_constant_pool): Update.
3389         * tree-inline.c (remap_decls): Update.
3390         (initialize_cfun): Update.
3391         (declare_return_variable): Update.
3392         (inline_forbidden_p): Update.
3393         (expand_call_inline): Update.
3394         (declare_inline_vars): Update.
3395         (tree_function_versioning): Update.
3396         * tree-flow.h (value_histograms): New.
3397         (VALUE_HISTOGRAMS): New macro.
3398         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3399         last_label_uid.
3400         * tree-cfg.c (set_bb_for_stmt): Update.
3401         (replace_by_duplicate_decl): Update.
3402         (move_block_to_fn): Update.
3403         (new_label_mapper): Update.
3404         (dump_function_to_file): Update.
3405         * ipa-struct-reorg.c (build_data_structure): Update.
3406         * cfgrtl.c (print_rtl_with_bb): Update.
3407         * reload1.c (reload): Update.
3408         (reload): Update.
3409         * config/i386/i386.c (setup_incoming_varargs_64,
3410         ix86_compute_frame_layout): Update.
3411         * config/arc/arc.c (arc_output_function_epilogue): Update.
3412
3413 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3414
3415         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3416         for FreeBSD as well.
3417         * gthr-posix95.h: Likewise.
3418
3419 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3420
3421         PR rtl-optimization/35838
3422         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3423         out the byte offset of the first subreg.
3424
3425 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3426
3427         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3428         to split_ti instead of three separate calls with single member arrays.
3429         (subti3 splitter): Ditto.
3430         (adddi3 splitter): Ditto with split_di.
3431         (subdi3 splitter): Ditto.
3432         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3433         two separate calls with single member arrays.  Swap match_dup
3434         operands 1 and 2 to better fit into the array.
3435         (negdi2 splitter): Ditto with split_di.
3436         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3437         two separate calls with single member arrays.  Swap match_dup operands
3438         6 and 7 to better fit into the array.
3439
3440 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3441
3442         * config/i386/i386.c (sse_builtin_type): New.
3443         (bdesc_sse_args): Likewise.
3444         (bdesc_sse_3arg): Removed.
3445         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3446         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3447         IX86_BUILTIN_ROUNDPS.
3448         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3449         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3450         IX86_BUILTIN_ROUNDPS.
3451         (ix86_expand_sse_4_operands_builtin): Removed.
3452         (ix86_expand_sse_operands_builtin): New.
3453         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3454         and CODE_FOR_sse4_1_roundps.
3455         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3456         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3457
3458 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3459
3460         PR target/35907
3461         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3462         regs before frame pop when needed.  If use_backchain_to_restore_sp
3463         then load backchain into a temp reg to restore vr and vrsave.  Add
3464         code to restore vr after frame pop if possible.
3465
3466 2008-04-17  Richard Guenther  <rguenther@suse.de>
3467
3468         * tree-vn.c (expressions_equal_p): Do not check type
3469         equality or compatibility before calling operand_equal_p.
3470         * fold-const.c (operand_equal_p): Check equivalence of
3471         integer constants before bailing out due to signedness or
3472         precision differences.
3473         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3474         spurious differences in type qualification.  Ignore types
3475         for COMPONENT_REFs at all.
3476
3477 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3478
3479         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3480         msw_skip comparison.
3481
3482 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3483
3484         PR c/35739
3485         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3486         reg type.
3487
3488         PR tree-optimization/35899
3489         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3490         rather than TREE_OPERAND.
3491
3492 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3493
3494         PR target/35944
3495         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3496         temporary registers.  Change operand predicate to general_operand.
3497         (remainderxf3): Ditto.
3498
3499 2008-04-16  Richard Guenther  <rguenther@suse.de>
3500
3501         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3502         * tree-affine.c (aff_combination_expand): Look through some
3503         conversions.
3504
3505 2008-04-15  Doug Kwan  <dougkwan@google.com>
3506
3507         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3508         for hex printing.
3509         * tree-pretty-print.c (dump_generic_node): Ditto.
3510         * final.c (output_addr_const): Ditto.
3511         * dwarf2out.c (output_cfi): Ditto.
3512         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3513         * print-rtl.c (print_rtx): Ditto.
3514         * print-tree.c (print_node_brief, print_node): Ditto.
3515         * c-common.c (match_case_to_enum_1): Ditto.
3516         * sched-vis.c (print_value): Ditto.
3517         * config/i386/i386.c (print_operand): Cast to long unsigned int
3518         for hex printing.
3519
3520 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3521         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3522         MS Windows VirtualProtect function.
3523
3524 2008-04-15  Jan Hubicka  <jh@suse.cz>
3525
3526         * gengtype.c (write_root): Param_is argument is OK.
3527         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3528         * function.h: Include varray.h
3529         (rtl_eh): New stucture based on except.c one.
3530         (call_site_record): New forward declaration and vector type.
3531         * calls.c (emit_call_1): Do not call
3532         note_current_region_may_contain_throw.
3533         * except.c (eh_status): Remove cur_region, try_region since they are
3534         unused.
3535         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3536         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3537         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
3538         Remove call_site_data_used, call_site_data_size.
3539         Turn call_site_record into vector in function.h.
3540         (note_current_region_may_contain_throw): Remove.
3541         (get_exception_pointer, get_exception_filter): Do not take struct
3542         function argument; update.
3543         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3544         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3545         build_post_landing_pads, dw2_build_landing_pads,
3546         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3547         sjlj_emit_function_enter, sjlj_emit_function_enter,
3548         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3549         sjlj_build_landing_pads, finish_eh_generation,
3550         remove_exception_handler_label, remove_eh_handler,
3551         maybe_remove_eh_handler, add_reachable_handler,
3552         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3553         add_action_record, collect_one_action_chain, add_call_site,
3554         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3555         sjlj_output_call_site_table, output_function_exception_table,
3556         * except.h (note_current_region_may_contain_throw): Remove
3557         (get_exception_pointer, get_exception_filter): Do not take struct
3558         function argument.
3559         * Makefile.in (GTFILES): Put varargs before struct function.
3560
3561 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3562
3563         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3564         punt for STRING_CST.
3565         (get_constraint_for): Deal with STRING_CST here instead.
3566
3567 2008-04-15  Richard Guenther  <rguenther@suse.de>
3568
3569         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3570         statements in a basic-block with a backward walk.  Do not
3571         substitute into dead statements but instead remove those.
3572
3573 2008-04-15  Richard Guenther  <rguenther@suse.de>
3574
3575         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3576         to zero, thus disable creation of SFTs.
3577
3578 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3579
3580         * tree-predcom.c (suitable_reference_p): Return false if the
3581         reference can throw.
3582
3583 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3584
3585         PR c/35751
3586         * c-decl.c (finish_decl): If extern or static var has variable
3587         size, set TREE_TYPE (decl) to error_mark_node.
3588
3589 2008-04-15  Rafael Espindola  <espindola@google.com>
3590
3591         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3592         variable arg1.
3593
3594 2008-04-15  Richard Guenther  <rguenther@suse.de>
3595
3596         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3597         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3598         (visit_reference_op_load): Do walk vuse-vdef chains on
3599         vn_reference_lookup.
3600         (visit_reference_op_store): But do not here.
3601         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3602         vn_reference_lookup.
3603         (vn_lookup_with_vuses): But do so here.
3604
3605 2008-04-14  Ian Lance Taylor  <iant@google.com>
3606
3607         * fold-const.c (fold_overflow_warning): Remove assertion.
3608
3609 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3610
3611         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3612         temp1 local variables.
3613
3614 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3615
3616         PR target/35661
3617         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3618         ".text.unlikely" section as executable.
3619
3620 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3621
3622         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3623         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3624         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3625         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3626         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3627         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3628         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3629
3630 2008-04-14  Ian Lance Taylor  <iant@google.com>
3631
3632         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3633         * fold-const.c (fold_comparison): If appropriate, test
3634         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3635         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3636         reassociating a pointer type.
3637         * doc/invoke.texi (Optimize Options): Document that
3638         -fstrict-overflow applies to pointer wraparound.
3639
3640 2008-04-13  Jan Hubicka  <jh@suse.cz>
3641
3642         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3643
3644 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3645
3646         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3647         we are going to "save the world".
3648
3649 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3650
3651         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3652         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3653         operand 0 constraint, not "=".
3654
3655 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3656
3657         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3658
3659 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3660
3661         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3662         of size of positions_needed * CHAR_BIT.
3663
3664 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3665
3666         PR middle-end/35897
3667         * dse.c (store_info): Change positions_needed to unsigned
3668         HOST_WIDE_INT.
3669         (lowpart_bitmask): New.
3670         (record_store): Cast to unsigned HOST_WIDE_INT for
3671         positions_needed.  Assert width <= size of positions_needed *
3672         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3673         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3674         lowpart_bitmask to set mask.
3675
3676 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3677
3678         * config/bfin/constraints.md: New file.
3679         * config/bfin/bfin.md: Include it.
3680         (adddi3): Use satisfies_constraint functions instead of the old macros.
3681         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3682         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3683         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3684         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3685         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3686         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3687         EXTRA_CONSTRAINT): Delete.
3688         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3689         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3690         of the old macros.
3691         * config/bfin/bfin.c: Include "tm-constrs.h".
3692         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3693         Use satisfies_constraint functions instead of the old macros.
3694         * doc/md.texi (Blackfin Constraints): Update file name reference.
3695
3696 2008-04-11  Richard Guenther  <rguenther@suse.de>
3697
3698         PR tree-optimization/35869
3699         * tree-vrp.c (execute_vrp): Move switch statement update after
3700         jump threading.  Schedule another cfg cleanup run.
3701
3702 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3703
3704         PR c/35744
3705         * attribs.c (decl_attributes): Return early on errorneous node.
3706
3707 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3708
3709         * tree.h (struct tree_base): Added a new flag default_def_flag.
3710         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3711
3712 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3713
3714         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3715
3716 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3717
3718         PR target/35768
3719         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3720         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3721         (icacheflush): Likewise.
3722         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3723         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3724
3725 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3726
3727         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3728
3729 2008-04-10  Rafael Espindola  <espindola@google.com>
3730
3731         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3732         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3733         (extract_range_from_expr): The same.
3734
3735 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3736
3737         * config/mips/mips.md (GPR2): New mode iterator.
3738         (seq): Add comment.
3739         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3740         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3741         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3742         Rewrite these to take two modes, the mode of comparison and the
3743         mode of the destination.
3744         * config/mips/mips.c (mips_expand_scc): Instead of having
3745         paradoxical subreg as destination, expand "narrowing" scc if mode
3746         of comparison is SI and target is requested in DI mode.
3747         (mips_emit_int_order_test): Update comment.  Make mode of
3748         comparison match CMP0 rather than TARGET.  When creating inverse
3749         target use mode of TARGET.
3750
3751 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3752
3753         * gcov-dump.c (tag_summary): Only print summaries for the first
3754         GCOV_COUNTERS_SUMMABLE counters.
3755
3756 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3757
3758         * config/i386/i386.md (absneg): New code iterator.
3759         (absnegprefix): New code attribute.
3760         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3761         patterns using absneg code iterator.
3762         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3763         using absneg code iterator.
3764         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3765         *neg<mode>2 patterns using absneg code iterator.
3766         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3767         *negextendsfdf2 patterns using absneg code iterator.
3768         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3769         *negextendsfxf2 patterns using absneg code iterator.
3770         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3771         *negextendsfdf2 patterns using absneg code iterator.
3772         * config/i386/sse.md (<code><mode>2): Macroize expander from
3773         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
3774
3775 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3776
3777         * config/s390/s390.h: Remove the remains of the recent search
3778         & replace action of current_function_outgoing_args_size.
3779
3780 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3781
3782         PR tree-optimization/35821
3783         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3784         NEW_STMT_LIST is not NULL.
3785
3786 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3787
3788         PR libstdc++/35597
3789         * toplev.c (process_options): Remove -ffunction-sections debugging
3790         warning.
3791
3792 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3793
3794         PR middle-end/PR28690
3795         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3796         than gen_rtx_fmt_ee to perform more canonicalizations.
3797
3798 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3799
3800         PR driver/35665
3801         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3802
3803 2008-04-09  Richard Guenther  <rguenther@suse.de>
3804
3805         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3806         (dump_function_to_file): Dump function arguments with types.
3807
3808 2008-04-08  Richard Guenther  <rguenther@suse.de>
3809
3810         * fold-const.c (fold_widened_comparison): Do not allow
3811         sign-changes that change the result.
3812
3813 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3814
3815         PR target/35839
3816         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3817         kinds of indirect references.
3818
3819 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3820
3821         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3822         GNU Fortran language string.
3823
3824 2008-04-08  Rafael Espindola  <espindola@google.com>
3825
3826         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3827         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3828         * tree.h (tree_call_nonnegative_warnv_p): New.
3829
3830 2008-04-08  Jan Hubicka  <jh@suse.cz>
3831
3832         * function.c (free_after_compilation): Clear out regno_reg_rtx
3833         pointer.
3834
3835 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3836
3837         Revert
3838         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3839
3840         PR middle-end/PR28690
3841         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3842         same precedence as REG_POINTER and MEM_POINTER operands.
3843
3844 2008-04-08  Richard Guenther  <rguenther@suse.de>
3845
3846         PR middle-end/35834
3847         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3848         for adding index to base.
3849
3850 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3851
3852         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3853         (MINGW_ENABLE_EXECUTE_STACK): New.
3854         (IN_LIBGCC2): For libgcc include windows.h file for
3855         function declarations.
3856
3857 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3858
3859         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3860         and tem2 if tem1 is not a REG or MULT.
3861
3862 2008-04-08  Jan Hubicka  <jh@suse.cz>
3863
3864         * function.h (incomming_args): Break out of struct function.
3865         (function_subsections): Break out of struct function.
3866         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3867         return_rtx and hard_reg_initial_vals from struct function.
3868         Kill inl_max_label_num.
3869         (current_function_pops_args, current_function_args_info,
3870         current_function_args_size, current_function_args_size,
3871         current_function_pretend_args_size,
3872         current_function_outgoing_args_size,
3873         current_function_internal_arg_pointer, current_function_return_rtx):
3874         Kill compatibility accestor macros.
3875         * builtins.c (expand_builtin_apply_args_1): Update.
3876         (expand_builtin_next_arg): Update.
3877         * df-scan.c (df_get_call_refs): Update.
3878         * dbxout.c (dbxout_function_end): Update.
3879         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3880         (output_line_info): Update.
3881         (secname_for_decl): Update.
3882         (dwarf2out_var_location): Update.
3883         * function.c (free_after_compilation): Update.
3884         (assign_parm_find_stack_rtl): Update.
3885         (assign_parms): Update.
3886         (expand_dummy_function_end): Update.
3887         (expand_function_end): Update.
3888         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3889         (expand_call): Update.
3890         (emit_library_call_value_1): Update.
3891         (store_one_arg): Update.
3892         * varasm.c (initialize_cold_section_name): Update.
3893         (unlikely_text_section): Update.
3894         (unlikely_text_section_p): Update.
3895         (assemble_start_function): Update.
3896         (assemble_end_function): Update.
3897         (default_section_type_flags): Update.
3898         (switch_to_section): Update.
3899         * integrate.c (set_decl_abstract_flags): Update.
3900         (get_hard_reg_initial_val): Update.
3901         (has_hard_reg_initial_val): Update.
3902         (allocate_initial_values): Update.
3903         * resource.c (init_resource_info): Update.
3904         * config/alpha/alpha.c (NUM_ARGS): Update.
3905         (direct_return): Update.
3906         (alpha_va_start): Update.
3907         (alpha_sa_size): Update.
3908         (alpha_initial_elimination_offset): Update.
3909         (alpha_expand_prologue): Update.
3910         (alpha_start_function): Update.
3911         (alpha_expand_epilogue): Update.
3912         (unicosmk_initial_elimination_offset):
3913         * config/alpha/alpha.md (call expander): Update.
3914         * config/s390/s390.c (s390_register_info): Update.
3915         (s390_register_info): Update.
3916         (s390_frame_info): Update.
3917         (s390_initial_elimination_offset): Update.
3918         (s390_build_builtin_va_list): Update.
3919         (s390_va_start): Update.
3920         * config/spu/spu.c (direct_return): Update.
3921         (spu_expand_prologue): Update.
3922         (spu_initial_elimination_offset): Update.
3923         (spu_build_builtin_va_list): Update.
3924         (spu_va_start): Update.
3925         * config/sparc/sparc.c (sparc_init_modes): Update.
3926         (sparc_compute_frame_size): Update.
3927         (function_value): Update.
3928         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3929         * config/i386/i386.md (return expander): Update.
3930         * config/i386/i386.c (ix86_va_start): Update.
3931         (ix86_can_use_return_insn_p): Update.
3932         (ix86_compute_frame_layout): Update.
3933         (ix86_expand_epilogue): Update.
3934         * config/sh/sh.c (output_stack_adjust): Update.
3935         (calc_live_regs): Update.
3936         (sh_expand_prologue): Update.
3937         (sh_builtin_saveregs): Update.
3938         (sh_va_start): Update.
3939         (initial_elimination_offset): Update.
3940         (sh_allocate_initial_value): Update.
3941         (sh_function_ok_for_sibcall): Update.
3942         (sh_get_pr_initial_val): Update.
3943         * config/sh/sh.md (return expander): Update.
3944         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3945         * config/crx/crx.c (crx_compute_frame): UPdate.
3946         (crx_initial_elimination_offset): UPdate.
3947         * config/xtensa/xtensa.c (compute_frame_size): Update
3948         (xtensa_builtin_saveregs): Update.
3949         (xtensa_va_start): Update.
3950         (order_regs_for_local_alloc): Update.
3951         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3952         (xstormy16_expand_builtin_va_start): Update.
3953         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3954         * config/m68hc11/m68hc11.md (return expanders): Update.
3955         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3956         (expand_epilogue): Update.
3957         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3958         (cris_simple_epilogue): Update.
3959         (cris_expand_prologue): Update.
3960         (cris_expand_epilogue): Update.
3961         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3962         (compute_frame_size): Update.
3963         * config/mt/mt.c (mt_compute_frame_size): Update.
3964         * config/mn10300/mn10300.c (expand_prologue): Update.
3965         (expand_epilogue): Update.
3966         (initial_offset): Update.
3967         (mn10300_builtin_saveregs):
3968         * config/mn10300/mn10300.md (return expander): Update.
3969         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3970         (ia64_initial_elimination_offset): Update.
3971         (ia64_initial_elimination_offset): Update.
3972         (ia64_expand_prologue): Update.
3973         * config/m68k/m68k.md (return expander): Update.
3974         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3975         (rs6000_stack_info): Update.
3976         * config/mcore/mcore.c (layout_mcore_frame): Update.
3977         (mcore_expand_prolog): Update.
3978         * config/arc/arc.c (arc_compute_frame_size): Update.
3979         * config/score/score3.c (score3_compute_frame_size): Update.
3980         * config/score/score7.c (score7_compute_frame_size): Update.
3981         * config/arm/arm.c (use_return_insn): Update.
3982         (thumb_find_work_register): Update.
3983         (arm_compute_save_reg_mask): Update.
3984         (arm_output_function_prologue): Update.
3985         (arm_output_epilogue): Update.
3986         (arm_size_return_regs): Update.
3987         (arm_get_frame_offsets): Update.
3988         (arm_expand_prologue): Update.
3989         (thumb_exit): Update.
3990         (thumb_unexpanded_epilogue): Update.
3991         (thumb1_output_function_prologue): Update.
3992         * config/pa/pa.md (return expander): Update.
3993         * config/pa/pa.c (compute_frame_size): Update.
3994         (hppa_builtin_saveregs): Update.
3995         * config/mips/mips.c (mips_va_start): Update.
3996         (mips16_build_function_stub): Update.
3997         (mips_compute_frame_info): Update.
3998         (mips_restore_gp): Update.
3999         (mips_output_function_prologue): Update.
4000         (mips_expand_prologue): Update.
4001         * config/v850/v850.c (compute_frame_size): Update.
4002         (expand_prologue): * config/mmix/mmix.c (along): update.
4003         (mmix_initial_elimination_offset): update.
4004         (mmix_reorg): update.
4005         (mmix_use_simple_return): update.
4006         (mmix_expand_prologue): update.
4007         (mmix_expand_epilogue): Update.
4008         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
4009         (emit_link_insn): Update.
4010
4011 2008-04-08  Anatoly Sokolov <aesok@post.ru>
4012
4013         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
4014         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
4015         instructions.
4016         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
4017         atmega103 device.
4018
4019 2008-04-07  Jan Hubicka  <jh@suse.cz>
4020
4021         * function.h (rtl): Rename to x_rtl.
4022         (crtl): New define.
4023         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4024         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4025         used_temp_slots avail_temp_slots, temp_slot_level,
4026         nonlocal_goto_handler_labels): Update accesstors.
4027         (rtl): New global variable.
4028         (struct function): Move some fileds to rtl_data.
4029         (get_arg_pointer_save_area): Update prototype.
4030         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4031         get_arg_pointer_save_area.
4032         * expr.c (init_expr): Update
4033         * function.c (get_frame_size): Update
4034         (assign_stack_local): Update
4035         (expand_function_end): Update.
4036         (get_art_pointer_save_area): Update
4037         * function.h
4038         * emit-rtl.c (rtl): Declare.
4039         (regno_reg_rtx): Declare.
4040         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4041         Update.
4042         (gen_reg_rtx): Update.
4043         * varasm.c (n_deferred_constatns): Update accestor.
4044         (init_varasm_status): Do not allocate varasm_status.
4045         (force_const_mem, get_pool_size, output_constant_pool): Update.
4046         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4047         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4048         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
4049         * sparc/sparc.h (INIT_EXPANDERS): Update.
4050         * ia64/ia64.h (INIT_EXPANDERS): Update.
4051
4052 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
4053
4054         * reload.c (push_secondary_reload): Add missing break to for loop.
4055
4056 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
4057
4058         PR middle-end/PR28690
4059         * rtlanal.c: Update copyright years.
4060         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
4061         as REG_POINTER and MEM_POINTER operands.
4062         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
4063         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
4064         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
4065         * gcse.c: Update copyright years.
4066         (pre_delete): Call gen_reg_rtx_and_attrs.
4067         (hoist_code): Likewise.
4068         (build_store_vectors): Likewise.
4069         (delete_store): Likewise.
4070         * loop-invariant.c (move_invariant_reg): Likewise.
4071         Update copyright years.
4072
4073 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
4074
4075         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
4076         control string instead of quoted.
4077
4078 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
4079
4080         * doc/rtl.texi: Rewrite of subreg section.
4081
4082 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
4083
4084         PR/35842
4085         * config/i386/i386.c (legitimize_pic_address): Add treating
4086         of dllimport SYM_REF's.
4087         (legitimize_dllimport_symbol): Add prototype.
4088
4089 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4090
4091         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
4092         reference in constructor with non self-referential type.
4093
4094 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
4095
4096         Removal of Return with Depressed Stack Pointer support
4097         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
4098         (ECF_SP_DEPRESSED): Likewise.
4099         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
4100         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
4101         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4102         (expand_call): Do not test ECF_SP_DEPRESSED.
4103         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4104         * function.c (keep_stack_depressed): Delete.
4105         (handle_epilogue_set): Likewise.
4106         (update_epilogue_consts): Likewise.
4107         (emit_equiv_load): Likewise.
4108         (thread_prologue_and_epilogue_insns): Remove support for Return with
4109         Depressed Stack Pointer.
4110         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
4111
4112 2008-04-06  Richard Guenther  <rguenther@suse.de>
4113
4114         PR tree-optimization/35400
4115         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
4116         information from SSA_NAMEs.
4117
4118 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4119
4120         * config/avr/avr.h (avr_mega_p): Remove declaration.
4121         (AVR_MEGA): Remove macro.
4122         * config/avr/avr.c (avr_mega_p): Remove variable.
4123         (avr_override_options): Remove inicializion of avr_mega_p.
4124         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4125         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4126         (avr_jump_mode): (Ditto.).
4127         (avr_output_progmem_section_asm_op): (Ditto.).
4128         (avr_asm_init_sections): (Ditto.).
4129         (avr_asm_init_sections): (Ditto.).
4130         (avr_rtx_costs): (Ditto.).
4131         * config/avr/avr.md: (Ditto.).
4132         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
4133         '__AVR_MEGA__'.
4134
4135 2008-04-06  Richard Guenther  <rguenther@suse.de>
4136
4137         PR tree-optimization/35842
4138         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4139         is_gimple_invariant_address.
4140
4141 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4142
4143         * gcc.c (default_compilers): Sync Fortran extensions list with
4144         that in fortran/lang-specs.h.
4145         * doc/invoke.texi: Likewise.
4146         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4147         * dwarf2out.c (gen_compile_unit_die): Likewise.
4148
4149 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4150
4151         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4152
4153 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4154
4155         PR target/12329
4156         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4157         attribute is used for nested functions.
4158
4159 2008-04-05  Jan Hubicka  <jh@suse.cz>
4160
4161         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4162
4163         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4164         letter argument.
4165         (dump_files): Update.
4166         (enable_rtl_dump_file): Do not accept letter argument.
4167         * tree-pass.h (dump_file_info): Remove letter argument.
4168         * toplev.c (decode_d_option): Update -da handling.
4169         * toplev.h (enable_rtl_dump_file): Update prototype.
4170         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4171         it out based on pass type.
4172         (register_dump_files_1): Likewise.
4173         (init_optimization_passes): Update register_one_dump_file calls.
4174         (execute_one_pass): Sanity check that IPA passes are called at IPA
4175         level and RTL passes at RTL level.
4176         (execute_pass_list): IPA pass can not be after or subpass of
4177         GIMPLE/RTL pass.
4178         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4179         disallov RTL subpasses of IPA subpasses.
4180
4181 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4182
4183         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4184         builtins that return exactly once and do not throw. Cache call to
4185         call_expr_flags.
4186
4187 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4188
4189         PR rtl-optimization/34916
4190         PR middle-end/35519
4191         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4192         between instruction pairs.
4193
4194 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4195
4196         * doc/invoke.texi: Document -mbitops for SH.
4197         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4198         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4199         * config/sh/sh.c (print_operand): Add %t operand code.
4200         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4201         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4202         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4203         (extendqihi2): Likewise.
4204         (movqi_i): Likewise.
4205         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4206         (extv): Use bld instruction for SH2A if possible.
4207         (extzv): Likewise.
4208         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4209         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4210         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4211         (bset.b, bclr.b): Define peepholes.
4212         * config/sh/sh.opt (mbitops): New option.
4213
4214 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4215
4216         PR target/35620
4217         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4218         and view convert expression.
4219
4220 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4221
4222         PR target/35364
4223         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4224
4225 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4226
4227         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4228
4229         * config/i386/cpuid.h (bit_AES): New.
4230         (bit_PCLMUL): Likewise.
4231
4232         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4233         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4234         SSE2 if AES or PCLMUL is enabled.
4235         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4236         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4237         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4238         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4239         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4240         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4241         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4242         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4243         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4244         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4245         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4246         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4247         __builtin_ia32_aeskeygenassist128 and
4248         __builtin_ia32_pclmulqdq128.
4249         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4250         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4251         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4252
4253         * config/i386/i386.h (TARGET_AES): New.
4254         (TARGET_PCLMUL): Likewise.
4255         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4256
4257         * config/i386/i386.md (UNSPEC_AESENC): New.
4258         (UNSPEC_AESENCLAST): Likewise.
4259         (UNSPEC_AESDEC): Likewise.
4260         (UNSPEC_AESDECLAST): Likewise.
4261         (UNSPEC_AESIMC): Likewise.
4262         (UNSPEC_AESKEYGENASSIST): Likewise.
4263         (UNSPEC_PCLMUL): Likewise.
4264
4265         * config/i386/i386.opt (maes): New.
4266         (mpclmul): Likewise.
4267
4268         * config/i386/sse.md (aesenc): New pattern.
4269         (aesenclast): Likewise.
4270         (aesdec): Likewise.
4271         (aesdeclast): Likewise.
4272         (aesimc): Likewise.
4273         (aeskeygenassist): Likewise.
4274         (pclmulqdq): Likewise.
4275
4276         * config/i386/wmmintrin.h: New.
4277
4278         * doc/extend.texi: Document AES and PCLMUL built-in function.
4279
4280         * doc/invoke.texi: Document -maes and -mpclmul.
4281
4282 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4283
4284         * function.c (free_after_parsing): Replace with
4285         cxx_push_function_context from C++ front-end.
4286         (allocate_struct_function): Don't call langhook.
4287         * langhooks.h (struct lang_hooks_for_functions): Delete.
4288         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4289         member "function".
4290         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4291         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4292         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4293         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4294         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4295         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4296         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4297
4298         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4299         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4300
4301 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4302
4303         PR c/35440
4304         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4305         for all types.
4306
4307 2008-04-04  Richard Guenther  <rguenther@suse.de>
4308
4309         PR middle-end/35823
4310         * fold-const.c (optimize_minmax_comparison): Use the correct
4311         type for the constant in the simplified comparison.
4312
4313 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4314
4315         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4316         Pass L2 size as "--param l2-cache-size" to the compiler.
4317         (decode_l2_cache): New function to decode L2 cache parameters using
4318         0x8000006 extended cpuid function.
4319         (detect_caches_amd): Determine parameters of L2 cache using
4320         decode_l2_caches function.
4321         (decode_caches_intel): Decode L2 cache parameters.
4322         (detect_caches_intel): Determine L2 cache parameters using
4323         decode_caches_intel and decode_l2_caches functions.
4324
4325 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4326
4327         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4328         secondary input reload for subword loads from the constant pool.
4329
4330 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4331
4332         PR target/35713
4333         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4334           constants of the appropriate size for runtime calculations.
4335
4336         PR c/35712
4337         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4338           decimal-float literal constant zero.
4339
4340 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4341
4342         PR c/35738
4343         * c-parser.c (c_parser_omp_atomic): Call
4344         default_function_array_conversion on the RHS.
4345
4346         PR middle-end/35818
4347         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4348         call is_variable_sized if decl has incomplete type.
4349
4350 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4351
4352         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4353
4354 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4355
4356         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4357         iterators.
4358         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4359         (sgt<u>): Merge sgt and sgtu into new expander.
4360         (sgt, sgtu): Remove expanders.
4361         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4362         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4363         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4364         *sgtu_<mode>_mips16 into new pattern.
4365         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4366         (sge<u>): Merge sge and sgeu into new expander.
4367         (sge, sgeu): Remove expanders.
4368         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4369         new pattern.
4370         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4371         (slt<u>): Merge slt and sltu into new expander.
4372         (slt, sltu): Remove expanders.
4373         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4374         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4375         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4376         *sltu_<mode>_mips16 into new pattern.
4377         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4378         (sle<u>): Merge sle and sleu into new expander.
4379         (sle, sleu): Remove expanders.
4380         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4381         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4382         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4383         *sleu_<mode>_mips16 into new pattern.
4384         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4385
4386 2008-04-03  Jan Hubicka  <jh@suse.cz>
4387
4388         PR tree-optimization/35795
4389         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4390         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4391         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4392         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4393         * score/score3.c (score3_output_mi_thunk): Likewise.
4394         * score/score7.c (score7_output_mi_thunk): Likewise.
4395         * mips/mips.c (mips_output_mi_thunk): Likewise.
4396
4397 2008-04-03  Richard Guenther  <rguenther@suse.de>
4398
4399         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4400         conversions.  Simplify code.
4401
4402 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4403
4404         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4405
4406 2008-04-03  Tom Tromey  <tromey@redhat.com>
4407             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4408
4409         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4410         * config/bfin/t-bfin-linux (generated_files): Add
4411         linux-sysroot-suffix.h.
4412         * doc/install.texi (Prerequisites): Require make 3.80.
4413         * doc/sourcebuild.texi (Front End Directory): Document new
4414         variable.
4415         * Makefile.in (generated_files): New variable.
4416         (ALL_HOST_OBJS): New variable.
4417         ($(ALL_HOST_OBJS)): New target.
4418
4419 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4420
4421         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4422         (remap_block): Call id->transform_lang_insert_block instead
4423         of langhook.
4424         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4425         Set id.transform_lang_insert_block to NULL.
4426         (clone_body): Move to cp/optimize.c
4427         * tree-inline.h (struct copy_body_data): Change
4428         transform_lang_insert_block to function pointer.
4429         (copy_generic_body, copy_decl_no_change): Export.
4430         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4431         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4432         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4433
4434         * c-tree.h (insert_block): Kill.
4435         * c-decl.c (insert_block): Kill.
4436
4437 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4438
4439         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4440         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4441         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4442         argument.
4443         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4444         argument, call {push,pop}_function_context from here.
4445         * c-parser.c: Use c_{push,pop}_function_context.
4446
4447         * function.c (push_function_context_to): Move meat ...
4448         (push_function_context): ... here.  Simplify.
4449         * function.c (pop_function_context_from): Move meat ...
4450         (pop_function_context): ... here.  Simplify.
4451         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4452         leave_nested).
4453         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4454         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4455         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4456         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4457
4458 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4459
4460         * expmed.c (extract_force_align_mem_bit_field): Remove.
4461
4462 2008-04-03  Richard Guenther  <rguenther@suse.de>
4463
4464         PR middle-end/35800
4465         * expr.h (try_casesi): Adjust prototype.
4466         * expr.c (try_casesi): Take fallback label as extra parameter.
4467         Use that for gen_casesi if default_label is NULL.
4468         * stmt.c (expand_case): Pass fallback label to try_casesi,
4469         make sure to fill gaps with a fallback label if default_label
4470         is not present.
4471
4472 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4473
4474         PR target/35801
4475         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4476
4477 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4478
4479         * expmed.c (extract_split_bit_field): Remove if (0) code.
4480         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4481         (do_ds_constraint): Likewise.
4482
4483 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4484
4485         * doc/cppopts.texi (-dU): Document.
4486         * c-common.h (flag_dump_macros): Update comment.
4487         * c-opts.c (handle_OPT_d): Handle -dU.
4488         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4489         dump_queued_macros, cb_used_define, cb_used_undef): New.
4490         (init_pp_output): Handle -dU.
4491         (cb_line_change): Call dump_queued_macros.
4492         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4493
4494 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4495
4496         * config/avr/predicates.md (io_address_operand): New predicate.
4497         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4498         * config/avr/avr.c (avr_io_address_p): Remove function.
4499         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
4500         'avr_io_address_p' function.
4501         (out_movhi_r_mr): (Ditto.).
4502         (out_movqi_mr_r): (Ditto.).
4503         (out_movhi_mr_r): (Ditto.).
4504         (avr_address_cost): (Ditto.).
4505
4506 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4507
4508         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4509         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4510         in 32bit mode when XMM registers are available to avoid store
4511         forwarding stalls.
4512         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4513         corresponding post-reload splitters.
4514
4515 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4516
4517         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4518         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4519         __builtin_ia32_roundss.
4520         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4521         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4522         __builtin_ia32_roundss.
4523         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4524         IX86_BUILTIN_SHUFPD here.
4525
4526 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4527
4528         * config/i386/i386.md (plogic): New.
4529         (plogicprefix): Likewise.
4530
4531         * config/i386/mmx.md (mmx_<code><mode>3): New.
4532         (mmx_and<mode>3): Removed.
4533         (mmx_ior<mode>3): Likewise.
4534         (mmx_xor<mode>3): Likewise.
4535
4536         * config/i386/sse.md (<code><mode>3): New.
4537         (*<code><mode>3): Likewise.
4538         (*<code><mode>3): Likewise.
4539         (<code><mode>3): Likewise.
4540         (*sse_<code><mode>3): Likewise.
4541         (*sse2_<code><mode>3): Likewise.
4542         (<code>tf3): Likewise.
4543         (*<code>tf3): Likewise.
4544         (and<mode>3): Likewise.
4545         (*and<mode>3): Likewise.
4546         (ior<mode>3): Removed.
4547         (*ior<mode>3): Likewise.
4548         (xor<mode>3): Likewise.
4549         (*xor<mode>3): Likewise.
4550         (*and<mode>3): Likewise.
4551         (*ior<mode>3): Likewise.
4552         (*xor<mode>3): Likewise.
4553         (and<mode>3): Likewise.
4554         (*sse_and<mode>3): Likewise.
4555         (*sse2_and<mode>3): Likewise.
4556         (andtf3): Likewise.
4557         (*andtf3): Likewise.
4558         (ior<mode>3): Likewise.
4559         (*sse_ior<mode>3): Likewise.
4560         (*sse2_ior<mode>3): Likewise.
4561         (iortf3): Likewise.
4562         (*iortf3): Likewise.
4563         (xor<mode>3): Likewise.
4564         (*sse_xor<mode>3): Likewise.
4565         (*sse2_xor<mode>3): Likewise.
4566         (xortf3): Likewise.
4567         (*xortf3): Likewise.
4568
4569 2008-04-02  Richard Guenther  <rguenther@suse.de>
4570
4571         PR tree-optimization/14495
4572         PR tree-optimization/34793
4573         * tree-vrp.c (struct switch_update): New structure.
4574         (to_remove_edges, to_update_switch_stmts): New VECs.
4575         (simplify_switch_using_ranges): New function.  Remove not taken
4576         case labels and edges.
4577         (simplify_stmt_using_ranges): Call it.
4578         (identify_jump_threads): Mark edges we have queued for removal
4579         so we don't thread them.
4580         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4581         case label vector.
4582         * tree-cfg.c (group_case_labels): Deal with missing default label.
4583         (tree_verify_flow_info): Allow missing default label.
4584         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4585         (emit_case_nodes): Likewise.
4586         (expand_case): Do not rely on the default label to be present.
4587         * expr.c (try_casesi): Deal with NULL default_label.
4588         (do_tablejump): Likewise.
4589
4590 2008-04-02  Richard Guenther  <rguenther@suse.de>
4591
4592         PR tree-optimization/14495
4593         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4594         SWITCH_EXPR here ...
4595         (vrp_visit_switch_stmt): ... but here (new function).
4596         (find_case_label_index): New helper function.
4597         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4598
4599 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4600
4601         * fwprop.c: Fix ISO-C99ism.
4602
4603 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4604
4605         PR bootstrap/35752
4606         * Makefile.in (objdir): Set it here.
4607         * configure.ac: Not here.  Find dynamic linker characteristics.
4608         * exec-tool.in: Use them.
4609         * aclocal.m4: Regenerate.
4610         * configure: Regenerate.
4611
4612 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4613
4614         * expr.c (expand_var): Delete it.
4615         * expr.h (expand_var): Delete prototype.
4616         * function.c (expand_function_start): Use expand_decl instead.
4617         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4618         langhook.
4619
4620 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4621
4622         PR rtl-optimization/35542
4623         * fwprop.c (forward_propagate_and_simplify): Replace
4624         loc_reg_mentioned_in_p with reg_mentioned_p.
4625
4626 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4627
4628         PR rtl-optimization/35281
4629         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4630         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4631         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4632         (varying_mem_p): Move above propagate_rtx.
4633         (all_uses_available_at): Do not check MEMs.
4634
4635 2008-04-02  Rafael Espindola  <espindola@google.com>
4636
4637         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4638         (register_edge_assert_for_2): Split the cond argument.
4639         (register_edge_assert_for_1): Adjust for the change in
4640         register_edge_assert_for_2.
4641         (register_edge_assert_for): Split the cond argument.
4642         (find_switch_asserts): Adjust for the change in
4643         register_edge_assert_for.
4644
4645 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4646
4647         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4648         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4649         offsets for 64-bit mingw.
4650         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4651         abi for x86_64-pc-mingw.
4652
4653 2008-04-02  Richard Guenther  <rguenther@suse.de>
4654
4655         * tree-vrp.c (extract_range_from_assert): Make sure to not
4656         produce range min/max with TREE_OVERFOW set.
4657         If merging a anti-range and a range keep the anti-range if
4658         the range covers all values of the type.
4659         (register_edge_assert_for_2): Only allow sign-changing
4660         conversions in detecting canonical range checks.  Also
4661         register an assert for the unsigned name if useful.
4662
4663         PR tree-optimization/35787
4664         * tree-vrp.c (vrp_val_max): New function.
4665         (vrp_val_min): Likewise.
4666         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4667         (vrp_val_is_min): Likewise.
4668         (supports_overflow_infinity): Use vrp_val_{min,max}.
4669         (negative_overflow_infinity): Likewise.
4670         (positive_overflow_infinity): Likewise.
4671         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4672         (is_positive_overflow_infinity): Likewise.
4673         (is_overflow_infinity): Likewise.
4674         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4675         vrp_val_is_{min,max}.
4676         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4677         to ranges if possible.  Avoid empty ranges.
4678
4679 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4680
4681         PR middle-end/35705
4682         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4683         the expression is a function address.
4684
4685 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4686
4687         PR fortran/35154, fortran/23057
4688         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4689         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4690         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4691         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4692         in common.
4693         (dbxout_syms): Check for COMMON-based symbol and wrap in
4694         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4695         in bracket for efficiency.
4696
4697         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4698         using DW_TAG_common_block + member offset.
4699         (add_pubname_string): New function.
4700         (dw_expand_expr): New function to find block name and offset for
4701         COMMON var.
4702         (common_check): New function to check whether symbol in Fortran COMMON.
4703         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4704
4705 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4706
4707         PR c/35436
4708         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4709
4710 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4711
4712         * config/v850/v850.md (casesi): Remove if (0) code.
4713         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4714         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4715
4716 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4717
4718         * config/i386/i386.md (rex64suffix): New mode attribute.
4719         (floathi<mode>2): Disable expander for SSE math.
4720         (*floathi<mode>2_1): New insn insn_and_split pattern.
4721         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4722         corresponding post-reload splitters.
4723         (*floathi<mode>2_i387): New macroized insn pattern.
4724         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4725         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4726         insn_and_split pattern.
4727         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4728         New macroized instruction patterns and corresponding post-reload
4729         splitters.
4730         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4731         and corresponding post-reload splitters.
4732         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4733         New macroized instruction patterns.
4734         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4735         macroized instruction patterns and corresponding post-reload splitters.
4736         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4737         corresponding post-reload splitters.
4738         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4739         New macroized instruction patterns.
4740         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4741         corresponding post-reload splitters.
4742         (*floatsi<mode>2_i387): New macroized instruction patterns.
4743
4744 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4745
4746         * config/i386/i386.md (smaxmin): New.
4747         (umaxmin): Likewise.
4748         (maxminiprefix): Likewise.
4749         (maxminfprefix): Likewise.
4750         (<code><mode>3): Likewise.
4751         (smin<mode>3): Removed.
4752         (smax<mode>3): Likewise.
4753
4754         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4755         (mmx_<code>v4hi3): Likewise.
4756         (mmx_<code>v8qi3): Likewise.
4757         (mmx_smaxv2sf3): Removed.
4758         (mmx_sminv2sf3): Likewise.
4759         (mmx_umaxv8qi3): Likewise.
4760         (mmx_smaxv4hi3): Likewise.
4761         (mmx_uminv8qi3): Likewise.
4762         (mmx_sminv4hi3): Likewise.
4763
4764         * config/i386/sse.md (<addsub><mode>3): New.
4765         (*<addsub><mode>3): Likewise.
4766         (<sse>_vm<addsub><mode>3): Likewise.
4767         (<maxmin><mode>3): Likewise.
4768         (*<maxmin><mode>3_finite): Likewise.
4769         (*<maxmin><mode>3): Likewise.
4770         (<sse>_vm<maxmin><mode>3): Likewise.
4771         (sse3_h<addsub>v4sf3): Likewise.
4772         (sse3_h<addsub>v2df3): Likewise.
4773         (<maxmin>v16qi3): Likewise.
4774         (*<maxmin>v16qi3): Likewise.
4775         (<maxmin>v8hi3): Likewise.
4776         (*<maxmin>v8hi3): Likewise.
4777         (*sse4_1_<maxmin><mode>3): Likewise.
4778         (*sse4_1_<maxmin><mode>3): Likewise.
4779         (add<mode>3): Removed.
4780         (*add<mode>3): Likewise.
4781         (<sse>_vmadd<mode>3): Likewise.
4782         (sub<mode>3): Likewise.
4783         (*sub<mode>3): Likewise.
4784         (<sse>_vmsub<mode>3): Likewise.
4785         (smin<mode>3): Likewise.
4786         (*smin<mode>3_finite): Likewise.
4787         (*smin<mode>3): Likewise.
4788         (<sse>_vmsmin<mode>3): Likewise.
4789         (smax<mode>3): Likewise.
4790         (*smax<mode>3_finite): Likewise.
4791         (*smax<mode>3): Likewise.
4792         (<sse>_vmsmax<mode>3): Likewise.
4793         (sse3_haddv4sf3): Likewise.
4794         (sse3_haddv2df3): Likewise.
4795         (sse3_hsubv4sf3): Likewise.
4796         (sse3_hsubv2df3): Likewise.
4797         (umaxv16qi3): Likewise.
4798         (*umaxv16qi3): Likewise.
4799         (smaxv8hi3): Likewise.
4800         (*smaxv8hi3): Likewise.
4801         (*sse4_1_smax<mode>3): Likewise.
4802         (*sse4_1_umax<mode>3): Likewise.
4803         (uminv16qi3): Likewise.
4804         (*uminv16qi3): Likewise.
4805         (sminv8hi3): Likewise.
4806         (*sminv8hi3): Likewise.
4807         (*sse4_1_smin<mode>3): Likewise.
4808         (*sse4_1_umin<mode>3): Likewise.
4809
4810 2008-04-01  Rafael Espindola  <espindola@google.com>
4811
4812         * tree-cfg.c (verify_expr): remove in_phi.
4813         (verify_stmt): Don't call walk_tree with verify_expr. Use
4814         is_gimple_min_invariant instead of is_gimple_val.
4815
4816 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4817
4818         * doc/include/gpl_v3.texi: Update for manpage generation.
4819         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4820         gpl.texi.
4821         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4822         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4823         gpl_v3.texi instead of gpl.texi.
4824         (gpl.pod): New.
4825
4826 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4827
4828         PR pch/13675
4829         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4830
4831 2008-04-01  Rafael Espindola  <espindola@google.com>
4832
4833         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4834         (extract_code_and_val_from_cond): Use
4835         extract_code_and_val_from_cond_with_ops.
4836
4837 2008-04-01  Jan Hubicka  <jh@suse.cz>
4838
4839         * function.c (free_after_compilation): Free epilogue_delay_list.
4840         (prepare_function_start): Assert that previous compilation was freed.
4841
4842 2008-04-01  Jan Hubicka  <jh@suse.cz>
4843             Jim Wilson  <wilson@tuliptree.org>
4844             Andreas Tobler <andreast@gcc.gnu.org>
4845
4846         PR middle-end/35781
4847         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4848         rtl.emit instead cfun->emit.
4849         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4850         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4851
4852 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4853
4854         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4855
4856 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4857
4858         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4859         New options
4860         (fprofile-use): Add var flag_profile_use
4861         * coverage.c (coverage_begin_output): Do not open a gcno file for
4862         output only if -ftest-coverage is set.
4863         Do not add getpwd() to gcda file path.
4864         (build_gcov_info): Check the new flag
4865         flag_profile_datafile_relative_path.
4866         (coverage_init): Use profile_data_prefix.
4867         Read profile counter only if flag_profile_use is set.
4868         * opts.c (common_handle_option): New option fprofile-use=,
4869         fprofile-dir=, fprofile-generate=.
4870         * toplev.c (profile_data_prefix): New variable definition.
4871         * toplev.h (profile_data_prefix): New declaration.
4872         * doc/invoke.tex (Option Summary, Optimization Options):
4873         Add new options.
4874
4875 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4876
4877         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4878         use tmp consistently.
4879
4880         PR target/35695
4881         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4882         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4883         UNSPEC_FR_RECIP_APPROX_RES.
4884         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4885
4886 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4887
4888         PR c/35750
4889         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4890
4891 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4892
4893         PR middle-end/30186
4894         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4895         element of the vector via a pointer.
4896
4897 2008-03-31  Ian Lance Taylor  <iant@google.com>
4898
4899         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4900
4901 2008-03-31  Jan Hubicka  <jh@suse.cz>
4902
4903         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4904         get_arg_pointer_save_area.
4905         * expr.c (init_expr): Just clear out rtl.expr.
4906         * function.c (free_after_compilation): Clear out whole RTL structure.
4907         (get_func_frame_size): Merge into ...
4908         (get_frame_size): ... this one.
4909         (assign_stack_local_1): Merge into ...
4910         (assign_stack_local): ... this one.
4911         (expand_function_end): Update call of get_arg_pointer_save_area.
4912         (get_art_pointer_save_area): Remove cfun argument.
4913         * function.h (emit_status): regno_pointer_align does not need length
4914         attribute. Move x_regno_reg_rtx to ...
4915         (regno_reg_rtx): ... new global array.
4916         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4917         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4918         apply_args_value, forced_labels, stack_pointer_delta):
4919         Update accestors.
4920         (struct varasm_status): Move here from varasm.c
4921         (struct rtl_data): New. Move here some fields from struct function.
4922         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4923         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4924         used_temp_slots avail_temp_slots, temp_slot_level,
4925         nonlocal_goto_handler_labels): Update accesstors.
4926         (rtl): New global variable.
4927         (struct function): Move some fileds to rtl_data.
4928         (get_arg_pointer_save_area): Update prototype.
4929         * emit-rtl.c (rtl): Declare.
4930         (regno_reg_rtx): Declare.
4931         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4932         Update.
4933         (gen_reg_rtx): Update.
4934         (init_virtual_regs): Do not tate emit_status argument.
4935         (init_emit): Do not allocate emit.
4936         * varasm.c (varasm_statuc): Move to function.h.
4937         (n_deferred_constatns): Update accestor.
4938         (init_varasm_status): Do not allocate varasm_status.
4939         (force_const_mem, get_pool_size, output_constant_pool): Update.
4940         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4941         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4942
4943 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4944
4945         PR rtl-optimization/35729
4946         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4947         references.
4948
4949 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4950
4951         PR target/32000
4952         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4953         load/store if memory is unaligned.
4954         (*movti_rex64): Likewise.
4955
4956         * config/i386/predicates.md (misaligned_operand): New.
4957
4958 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4959
4960         PR tree-opt/35431
4961         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4962         complex types.
4963
4964 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4965
4966         * config/ia64/constraints.md: Add 'j' constraint.
4967         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4968         (movdi_internal): Likewise.
4969
4970 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4971
4972         PR c/35748
4973         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4974
4975 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4976
4977         PR target/35757
4978         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4979         proper error message for the third argument on blendpd and
4980         blendps.
4981
4982         * config/i386/sse.md (blendbits): New.
4983         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4984
4985 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4986
4987         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4988
4989 2008-03-30  Richard Guenther  <rguenther@suse.de>
4990
4991         PR middle-end/31023
4992         * fold-const.c (fold_sign_changed_comparison): Do leave
4993         conversions to base-types alone.
4994
4995 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4996
4997         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4998         the link register if one altivec register is be saved.
4999
5000 2008-03-30  Ben Elliston  <bje@au.ibm.com>
5001
5002         * final.c (final_scan_insn): Remove if (0) code.
5003
5004 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
5005
5006         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
5007
5008 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
5009
5010         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
5011         of V4SFmode to ix86_binary_operator_ok.
5012
5013 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
5014
5015         * config/i386/i386.c (override_options): Initialize
5016         ix86_veclib_handler to ix86_veclibabi_svml when
5017         -mveclibabi=svml is used.
5018         (ix86_veclibabi_svml): New function for SVML ABI style
5019         vectorization support.
5020         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
5021
5022 2008-03-28  Rafael Espindola  <espindola@google.com>
5023
5024         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
5025         (tree_binary_nonnegative_warnv_p): Make it public.
5026         (tree_single_nonnegative_warnv_p): Make it public.
5027         (tree_invalid_nonnegative_warnv_p): Make it public.
5028         (tree_unary_nonzero_warnv_p): Make it public.
5029         (tree_binary_nonzero_warnv_p): Make it public
5030         (tree_single_nonzero_warnv_p): Make it public.
5031         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
5032         (extract_range_from_binary_expr): Split the expr argument.
5033         (extract_range_from_unary_expr): Split the expr argument.
5034         (extract_range_from_comparison): Split the expr argument.
5035         (extract_range_from_expr): Use the new aux functions.
5036         (vrp_evaluate_conditional_warnv): Use
5037         vrp_evaluate_conditional_warnv_with_ops.
5038         * tree.h (tree_unary_nonzero_warnv_p): Declare.
5039         (tree_binary_nonzero_warnv_p): Declare.
5040         (tree_single_nonzero_warnv_p): Declare.
5041         (tree_expr_nonzero_warnv_p): Declare.
5042         (tree_unary_nonnegative_warnv_p): Declare.
5043         (tree_binary_nonnegative_warnv_p): Declare.
5044         (tree_single_nonnegative_warnv_p): Declare.
5045         (tree_invalid_nonnegative_warnv_p): Declare.
5046
5047 2008-03-28  Richard Guenther  <rguenther@suse.de>
5048
5049         PR tree-optimization/30317
5050         PR tree-optimization/30911
5051         PR tree-optimization/34793
5052         * tree-vrp.c (set_and_canonicalize_value_range): New function.
5053         (struct assert_locus_d): New member EXPR.
5054         (register_new_assert_for): Add EXPR parameter to support
5055         ASSERT_EXPR <name, expr OP limit>.
5056         (register_edge_assert_for_1): Adjust callers.
5057         (find_assert_locations): Likewise.
5058         (process_assert_insertions_for): Build condition from expression.
5059         (extract_range_from_assert): Handle ASSERT_EXPRs
5060         of the form ASSERT_EXPR <name, expr OP limit>.
5061         (register_edge_assert_for_2): New helper registering
5062         asserts for comparisons.  Recognize range tests of the form
5063         (unsigned)i - CST1 OP CST2.
5064         (register_edge_assert_for_1): Use it.
5065         (register_edge_assert_for): Likewise.
5066         (needs_overflow_infinity): Integer sub-types
5067         do not need overflow infinities.
5068         (vrp_val_is_max): The extreme values of integer sub-types
5069         are those of the base type.
5070         (vrp_val_is_min): Likewise.
5071         * tree.def (ASSERT_EXPR): Document extra allowed conditional
5072         expressions.
5073
5074 2008-03-28  Nick Clifton  <nickc@redhat.com>
5075
5076         PR target/31110
5077         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
5078         Return GENERAL_REGS for stack adjustment reloads.
5079
5080 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5081
5082         PR target/31334
5083         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
5084         const_vector when all the vectors are constant.
5085
5086 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
5087
5088         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
5089         comparisons.
5090         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
5091         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
5092         (scc_sf): New.
5093         (s<code>_sf): Use new scc_sf attribute for opcode names.
5094
5095 2008-03-27  Tom Tromey  <tromey@redhat.com>
5096
5097         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
5098         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
5099         config/spu/t-spu-elf, config/i386/t-interix,
5100         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
5101         config/i386/x-darwin, config/i386/x-mingw32,
5102         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
5103         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
5104         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
5105         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
5106         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
5107         config/rs6000/x-darwin, config/rs6000/t-rs6000,
5108         config/score/t-score-elf, config/arm/t-strongarm-pe,
5109         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
5110         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
5111         Revert automatic dependency patch.
5112
5113 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
5114
5115         PR target/35657
5116         * config/i386/i386.c (ix86_function_arg_boundary): Align
5117         decimal floating point to its natural boundary.
5118
5119 2008-03-27  Richard Guenther  <rguenther@suse.de>
5120
5121         PR middle-end/35716
5122         * fold-const.c (fold_comparison): Restrict distinct decl
5123         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5124         solely rely on operand_equal_p.
5125
5126 2008-03-27  Richard Guenther  <rguenther@suse.de>
5127
5128         PR c/32511
5129         * c-common.c (handle_weak_attribute): Reject combination of
5130         weak and inline.
5131
5132 2008-03-27  Richard Guenther  <rguenther@suse.de>
5133
5134         PR tree-optimization/32810
5135         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5136         conversions from DECL_INITIAL.
5137         (fold_const_aggregate_ref): Likewise from constructor elements.
5138
5139 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5140
5141         * tree-affine.h (aff_combination_expand): Declare.
5142         (get_inner_reference_aff): Likewise.
5143         * tree-affine.c (aff_combination_expand): Split out from
5144         tree_to_aff_combination_expand.
5145         (get_inner_reference_aff): New function.
5146         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5147         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5148         (struct lim_aux_data): sm_done field removed.
5149         (mem_ref_loc_p, mem_ref_locs_p): New types.
5150         (struct mem_ref): Added id, stored, accesses_in_loop,
5151         indep_loop, dep_loop, indep_ref, dep_ref fields.
5152         Removed is_stored, locs and next fields.
5153         (memory_accesses): New variable.
5154         (movement_possibility): Do not allow moving statements
5155         that store to memory.
5156         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5157         New functions.
5158         (determine_max_movement): For statements with memory references,
5159         find the outermost loop in that the reference is independent.
5160         (move_computations_stmt): Mark the virtual operands for renaming.
5161         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5162         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5163         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5164         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5165         create_vop_ref_mapping, analyze_memory_references,
5166         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5167         get_all_locs_in_loop, ref_always_accessed_p,
5168         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5169         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5170         store_motion_loop, store_motion): New functions.
5171         (struct vop_to_refs_elt): New type.
5172         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5173         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5174         (schedule_sm): Replaced by...
5175         (execute_sm): ... this.
5176         (determine_lsm_ref, hoist_memory_references,
5177         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5178         find_more_ref_vops, free_mem_ref, free_mem_refs,
5179         determine_lsm_loop, determine_lsm): Removed.
5180         (tree_ssa_lim_finalize): Free data structures used by store motion.
5181         (tree_ssa_lim): Call analyze_memory_references.  Use
5182         store_motion instead of determine_lsm.
5183
5184 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5185
5186         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5187         rename tmake_file to m68hc11/t-m68hc11.
5188         (mcore): Set inhibit_libc to true.
5189         * config.host (alpha*-dec-*vms*): Set extra_programs.
5190         (interix3*): Don't use host_xmake_file.
5191         * configure.ac: Let config.gcc override inhibit_libc.
5192         * configure: Regenerate.
5193
5194         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5195         * config/t-openbsd-thread: Remove commented out lines.
5196
5197         * config/x-interix: Remove.
5198
5199         * config/m68hc11/t-m68hc11-gas: Rename to...
5200         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5201
5202         * config/mcore/t-mcore: Remove T_CFLAGS.
5203         * config/mcore/t-mcore-pe: Likewise.
5204
5205 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5206
5207         * configure.ac: Replace custom __GNU_SOURCE test with
5208         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5209         * aclocal.m4: Regenerate.
5210         * configure: Regenerate.
5211         * config.in: Regenerate.
5212
5213 2008-03-27  Richard Guenther  <rguenther@suse.de>
5214
5215         * fold-const.c (target.h): Include.
5216         (fold_comparison): Fold comparison of addresses of decls
5217         that bind locally or of constants.  Consolidate address folding code.
5218         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5219         results from fold_binary_to_constant.
5220         (compare_values_warnv): Likewise.
5221
5222 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5223
5224         PR middle-end/35429
5225         * fold-const.c (fold_truthop): Check for integeral types when folding
5226         a == 0 && b == 0 and a != 0 || b != 0 .
5227
5228 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5229
5230         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5231
5232 2008-03-26  Andreas Schwab  <schwab@suse.de>
5233
5234         * doc/invoke.texi: Fix use of @item vs. @itemx.
5235
5236 2008-03-26  Tom Tromey  <tromey@redhat.com>
5237
5238         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5239         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5240         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5241         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5242         build/genconstants.o, build/genemit.o, build/genextract.o,
5243         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5244         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5245         options.h.
5246
5247 2008-03-26  Richard Guenther  <rguenther@suse.de>
5248
5249         Revert
5250         2008-03-26  Richard Guenther  <rguenther@suse.de>
5251
5252         * fold-const.c (target.h): Include.
5253         (fold_comparison): Fold comparison of addresses of two decls
5254         that bind locally.  Consolidate address folding code.
5255
5256 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5257
5258         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5259         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5260         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5261         dconstsqrt2, dconstthird, dconste and/or dconst10.
5262         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5263         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5264         dconstsqrt2, dconste): Delete.
5265         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5266         Constify variable.
5267         * real.c (get_real_const): New.
5268         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5269         dconstsqrt2, dconste): Delete.
5270         (real_value_const, get_real_const): New.
5271
5272 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5273
5274         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5275
5276         * config/i386/i386.c (ix86_function_arg_boundary): Check
5277         BIGGEST_ALIGNMENT instead of 128.
5278         (setup_incoming_varargs_64): Likewise.
5279
5280 2008-03-26  Tom Tromey  <tromey@redhat.com>
5281
5282         * Makefile.in (DEPFILES): Add missing '/'.
5283
5284 2008-03-26  Richard Guenther  <rguenther@suse.de>
5285
5286         * fold-const.c (target.h): Include.
5287         (fold_comparison): Fold comparison of addresses of two decls
5288         that bind locally.  Consolidate address folding code.
5289
5290 2008-03-26  Nick Clifton  <nickc@redhat.com>
5291
5292         PR target/31232
5293         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5294         not allow INT+INT as a legitimate addressing mode.
5295
5296 2008-03-26  Richard Guenther  <rguenther@suse.de>
5297
5298         * tree-flow.h (widen_bitfield): Remove declaration.
5299         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5300         (widen_bitfield): Remove function.
5301         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5302         code.
5303
5304 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5305
5306         PR target/31558
5307         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5308         error_mark_node's.
5309
5310 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5311
5312         PR rtl-optimization/35232
5313         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5314         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5315         reg_reloaded_call_part_clobbered here.
5316         (reload_regs_reach_end_p): New function.
5317         (reload_reg_rtx_for_input): New variable.
5318         (reload_reg_rtx_for_output): Likewise.
5319         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5320         when reassigning a pseudo register.  Load reloadreg from
5321         reload_reg_rtx_for_input, moving the mode and register
5322         calculation to...
5323         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5324         instead of the original when deciding whether an input reload
5325         would be a no-op or whether an output reload can be deleted.
5326         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5327         when setting up new_spill_reg_store.  Load it from
5328         reload_reg_rtx_for_output, moving the mode and register
5329         calculation to...
5330         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5331         instead of the original when deciding whether an output reload
5332         would be a no-op.  Do the same when modifying insn notes.
5333         Use rtx_equal_p instead of == to compare the registers.
5334         (inherit_piecemeal_p): Take a mode and two register numbers
5335         as argument.
5336         (emit_reload_insns): Clear new_spill_reg_store for every hard
5337         register in the reload register.  Remove spill registers
5338         from reg_reloaded_valid before considering whether to record
5339         inheritance information for them.  Use reload_reg_rtx_for_output
5340         instead of reg_rtx when recording output reloads.  Use
5341         reload_reg_rtx_for_input instead of reg_rtx when recording
5342         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5343         at the same time as setting reg_reloaded_valid.
5344         (delete_output_reload): Add a new_reload_reg parameter and use it
5345         instead of rld[j].reg_rtx.
5346         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5347         calls accordingly.
5348
5349 2008-03-25  Tom Tromey  <tromey@redhat.com>
5350
5351         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5352         (build/genattr.o): Likewise.
5353         (build/genattrtab.o): Likewise.
5354         (build/gencodes.o): Likewise.
5355         (build/genconfig.o): Likewise.
5356         (build/genconstants.o): Likewise.
5357         (build/genemit.o): Likewise.
5358         (build/genextract.o): Likewise.
5359         (build/genflags.o): Likewise.
5360
5361 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5362
5363         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5364         instead of size_int for integer types.
5365         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5366         to match type of MINUS_EXPR.
5367
5368 2008-03-25  Tom Tromey  <tromey@redhat.com>
5369
5370         * configure: Rebuilt.
5371         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5372         Makefile.
5373
5374 2008-03-25  Tom Tromey  <tromey@redhat.com>
5375
5376         * config/x-solaris (host-solaris.o): Update.
5377         * config/x-linux (host-linux.o): Update.
5378         * config/x-hpux (host-hpux.o): Update.
5379         * config/x-darwin (host-darwin.o): Update.
5380         * config/v850/t-v850e (v850-c.o): Update.
5381         * config/v850/t-v850 (v850-c.o): Update.
5382         * config/t-vxworks (vxworks.o): Update.
5383         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5384         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5385         * config/spu/t-spu-elf (spu-c.o): Update.
5386         (spu.o): Remove.
5387         * config/sh/t-symbian (sh-c.o): Update.
5388         (symbian.o): Update.
5389         * config/sh/t-sh (sh-c.o): Update.
5390         * config/score/t-score-elf (score7.o, score3.o): Update.
5391         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5392         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5393         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5394         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5395         (rs6000.o): Remove.
5396         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5397         * config/m32c/t-m32c (m32c-pragma.o): Update.
5398         * config/ia64/t-ia64 (ia64-c.o): Update.
5399         * config/i386/x-mingw32 (host-mingw32.o): Update.
5400         * config/i386/x-i386 (driver-i386.o): Update.
5401         * config/i386/x-darwin (host-i386-darwin.o): Update.
5402         * config/i386/x-cygwin (host-cygwin.o): Update.
5403         * config/i386/t-nwld (nwld.o): Update.
5404         * config/i386/t-netware (netware.o): Update.
5405         * config/i386/t-interix (winnt.o): Update.
5406         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5407         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5408         msformat-c.o): Update.
5409         * config/bfin/t-bfin-linux (generated_files): Add
5410         linux-sysroot-suffix.h.
5411         * config/arm/t-wince-pe (pe.o): Update.
5412         * config/arm/t-strongarm-pe (pe.o): Update.
5413         * config/arm/t-pe (pe.o): Update.
5414         * config/arm/t-arm (arm-c.o): Update.
5415         * doc/install.texi (Prerequisites): Require make 3.80.
5416         * Makefile.in: Remove .o targets.
5417         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5418         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5419         (simple_generated_h, simple_generated_c): Move earlier.
5420         (generated_files): New variable.
5421         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5422         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5423         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5424         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5425         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5426         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5427         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5428         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5429         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5430         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5431         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5432         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5433         (.c.o): Remove.
5434         (COMPILE.base, COMPILE): New variables.
5435         (%.o): New pattern rule.
5436         (ALL_HOST_OBJS): New variable.
5437         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5438         (dummy-checksum.o, cc1-checksum.o): Remove.
5439         (DRIVER_SHLIB): New variable.
5440         (DRIVER_DEFINES): Use it.
5441         (gencondmd.c): Move out of build/.
5442         (s-conditions): Update.
5443         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5444         (ALL_BUILD_OBJS): Likewise.
5445         (build/%.o): Use BUILDCOMPILE.
5446         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5447         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5448         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5449         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5450         build/genconfig.o, build/genconstants.o, build/genemit.o,
5451         build/genextract.o, build/genflags.o, build/genmddeps.o,
5452         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5453         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5454         build/gen-protos.o, build/scan.o, build/fix-header.o,
5455         build/scan-decls.o): Simplify.
5456         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5457         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5458         prefix.o, toplev.o): Reduce to variable setting.
5459         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5460         ($(out_object_file), gcc-options.o): New targets.
5461         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5462         * configure: Rebuilt.
5463         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5464         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5465
5466 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5467
5468         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5469         complain when we hit an error, return ERROR_MARK_NODE.
5470
5471 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5472
5473         * config/sh/constraints.md (Pso, Psz): New constraints.
5474         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5475         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5476
5477 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5478
5479         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5480         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5481
5482 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5483
5484         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5485         (prefetch_sh2a): New.
5486
5487 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5488             Naveen.H.S  <naveen.hs@kpitcummins.com>
5489
5490         * config/sh/constraints.md (I28): New constraint.
5491         * config/sh/sh.c (broken_move): Add support for movi20s.
5492         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5493
5494 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5495             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5496             Naveen.H.S  <naveen.hs@kpitcummins.com>
5497
5498         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5499         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5500         (print_operand): Handle resbank in %@ operand code.
5501         (sh_encode_section_info): New.
5502         (push_regs): Add conditions for resbank.
5503         (sh_expand_epilogue): Likewise.
5504         (sh_insert_attributes): Likewise.
5505         (sh_attribute_table): Likewise.
5506         (sh_handle_resbank_handler_attribute): New.
5507         (sh2a_handle_function_vector_handler_attribute): New.
5508         (sh2a_is_function_vector_call): New.
5509         (sh2a_get_function_vector_number): New.
5510         (sh2a_function_vector_p): New.
5511         (sh_cfun_resbank_handler_p): New.
5512         * config/sh/sh.md (calli): Emit jsr/n if possible.
5513         (calli_tbr_rel): New.
5514         (calli_pcrel): Emit jsr/n if possible.
5515         (return_i): Emit rts/n if possible.
5516         (call_valuei_tbr_rel): New.
5517         (call_valuei_pcrel): Add condition for SH2A target.
5518         (call_value): Likewise.
5519         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5520         (sh2a_get_function_vector_number): Likewise.
5521         (sh2a_is_function_vector_call): Likewise.
5522         * doc/extend.texi: Document TBR relative addressing of SH2A.
5523         (resbank): Add description for SH2A.
5524
5525 2008-03-24  Richard Guenther  <rguenther@suse.de>
5526
5527         PR c/22371
5528         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5529         pointer assignments change conversions according to middle-end rules.
5530         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5531         * configure.ac: Include type checking in yes.
5532         * configure: Regenerate.
5533
5534 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5535
5536         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5537         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5538
5539 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5540
5541         * gthr-vxworks.h (UNUSED): Define.
5542
5543 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5544
5545         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5546
5547 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5548
5549         * doc/extend.texi (Function Attributes): Add missing comma in the
5550         example of the "alloc_size" attribute.
5551
5552 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5553
5554         Revert:
5555         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5556
5557         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5558         32bit host.
5559
5560         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5561
5562         PR target/35496
5563         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5564         of the underlying type of a MS bitfield layout to the natural
5565         alignment of the type.
5566
5567         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5568
5569         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5570         to their natural alignment to avoid store forwarding stalls.
5571
5572 2008-03-22  Richard Guenther  <rguenther@suse.de>
5573
5574         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5575         For PHI nodes verify the address is invariant.
5576         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5577         (get_symbol_constant_value): Use is_gimple_min_invariant.
5578         (maybe_fold_stmt_indirect): Likewise.
5579
5580 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5581
5582         PR rtl-optimization/33927
5583         * Makefile.in (dse.o): Depend on $(TM_P_H).
5584         * expr.h (extract_low_bits): Declare.
5585         * expmed.c (extract_low_bits): New function.
5586         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5587         * dse.c: Include tm_p.h.
5588         (find_shift_sequence): Remove the read_reg argument and return the
5589         read value.  Emit the instructions instead of returning them.
5590         Iterate on new_mode rather than calculating it each time.
5591         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5592         source to NEW_MODE and extract_low_bits to convert the shifted
5593         value to READ_MODE.
5594         (replace_read): Allow the load and store to have different mode
5595         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5596         or extraction instructions before trying the replacement.  Update
5597         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5598
5599 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5600
5601         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5602         to their natural alignment to avoid store forwarding stalls.
5603
5604 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5605
5606         PR target/27946
5607         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5608         encouraging but not allowing gprs for input;
5609         change the input constraint to !f#r.
5610         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5611         gprs for output;
5612         change the output constraint to !f#r.
5613
5614 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5615
5616         PR target/13958
5617         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5618         corresponding post-reload splitters.
5619         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5620         when x87 FP math is selected.
5621         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5622         New function prototype.
5623         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5624         unreachable function to ease macroization of insn patterns.
5625
5626 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5627
5628         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5629         reference dumps if ddr is NULL or dependence is unknown.
5630
5631 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5632
5633         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5634         unsigned extension into account.
5635         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5636         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5637         Do computations on a scratch register.
5638
5639 2008-03-21  Richard Guenther  <rguenther@suse.de>
5640
5641         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5642         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5643         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5644         * tree-ssa-dom.c (record_equality): Likewise.
5645         * tree-inline.c (copy_body_r): Likewise.
5646         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5647         TREE_INVARIANT.
5648
5649 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5650
5651         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5652         as 'delete_unused' argument.
5653
5654 2008-03-20  Richard Guenther  <rguenther@suse.de>
5655
5656         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5657         special casing of constant qualifiers.
5658         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5659         care about them in general.
5660         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5661         regardless of their type.
5662         (fold_stmt_r): Forcefully fold *& if we end up with that.
5663
5664 2008-03-20  Paul Brook  <paul@codesourcery.com>
5665
5666         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5667         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5668         linker flags.
5669         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5670         definition.
5671         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5672         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5673
5674 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5675
5676         * common.opt (Wmudflap): New option.
5677         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5678         (mx_register_decls): Likewise.
5679         (mudflap_finish_file): Likewise.
5680         * doc/invoke.texi: Document -Wno-mudflap.
5681
5682 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5683
5684         * c-format.c (replace_format_name_to_system_name): New.
5685         (cmp_attribs): New.
5686         (convert_format_name_to_system_name): New.
5687         (decode_format_attr): Add use of convert_format_name_to_system_name.
5688         (format_types_orig): Add gnu_ prefix to names.
5689         (check_format_info_main): Special treating of \0 escaped names for
5690         supporting multi-character format specifiers as I32, I64.
5691         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5692         (gnu_target_overrides_format_attributes): New.
5693         * c-format.h: Add structure target_ovr_attr to hold
5694         system specific formatter names.
5695         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5696         msformat-c.o file to c_target_objs and cxx_target_objs.
5697         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5698         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5699         (TARGET_N_FORMAT_TYPES): New.
5700         * config/i386/msformat-c.c: New.
5701         * config/i386/t-cygming: Add build rule for msformat-c.o.
5702         * doc/extend.texi: Add new format names gnu_* and ms_* and
5703         further details.
5704         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5705
5706 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5707
5708         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5709         optimizations turned on under -O3.
5710         (ftree-vectorize): Add that the flag is turned on with -O3.
5711
5712 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5713
5714         * regmove.c (try_auto_increment): Fix spelling error in comment.
5715         * final.c (final_scan_insn): Likewise.
5716
5717 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5718
5719         PR target/14552
5720         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5721         allocator preferences for "y" and "r" class registers.
5722         ("*mov<mode>_internal"): Ditto.
5723         ("*movv2sf_internal_rex64"): Ditto.
5724         ("*movv2sf_internal"): Ditto.
5725
5726 2008-03-19  Michael Matz  <matz@suse.de>
5727
5728         PR middle-end/35616
5729         * calls.c (expand_call): Check overlap of arguments with call
5730         address for sibcalls.
5731
5732 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5733
5734         PR target/35496
5735         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5736         of the underlying type of a MS bitfield layout to the natural
5737         alignment of the type.
5738
5739 2008-03-19  Jan Hubicka  <jh@suse.cz>
5740
5741         PR other/35094
5742         * toplev.c (decode_d_option): Handle all CPP flags.
5743         * tree-vrp.c: Update tree_pass descriptors.
5744         * regrename.c: Update tree_pass descriptors.
5745         * fwprop.c: Update tree_pass descriptors.
5746         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5747         * tree-into-ssa.c: Update tree_pass descriptors.
5748         * tree-dump.c: Update tree_pass descriptors.
5749         * tree-complex.c: Update tree_pass descriptors.
5750         * tree-dump.h: Update tree_pass descriptors.
5751         * see.c: Update tree_pass descriptors.
5752         * cgraphbuild.c: Update tree_pass descriptors.
5753         * tracer.c: Update tree_pass descriptors.
5754         * tree-loop-distribution.c: Update tree_pass descriptors.
5755         * cgraph.c: Update tree_pass descriptors.
5756         * postreload-gcse.c: Update tree_pass descriptors.
5757         * postreload.c: Update tree_pass descriptors.
5758         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5759         * tree-tailcall.c: Update tree_pass descriptors.
5760         * tree-pass.h (tree_opt_pass): Rename to ...
5761         (opt_pass) ... this one; add "type" field and remove letter field.
5762         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5763         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5764         all_lowering_passes): Update declaration.
5765         * ipa-cp.c: Update tree_pass descriptors.
5766         * final.c: Update tree_pass descriptors.
5767         * omp-low.c: Update tree_pass descriptors.
5768         * tree-ssa-dse.c: Update tree_pass descriptors.
5769         * ipa-reference.c: Update tree_pass descriptors.
5770         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5771         * auto-inc-dec.c: Update tree_pass descriptors.
5772         * reorg.c: Update tree_pass descriptors.
5773         * cgraphunit.c: Update tree_pass descriptors.
5774         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5775         * tree-ssa-ccp.c: Update tree_pass descriptors.
5776         * df-core.c: Update tree_pass descriptors.
5777         * mode-switching.c: Update tree_pass descriptors.
5778         * tree-nomudflap.c: Update tree_pass descriptors.
5779         * modulo-sched.c: Update tree_pass descriptors.
5780         * ipa-pure-const.c: Update tree_pass descriptors.
5781         * cse.c: Update tree_pass descriptors.
5782         * web.c: Update tree_pass descriptors.
5783         * tree-stdarg.c: Update tree_pass descriptors.
5784         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5785         * tree-ssa-dom.c: Update tree_pass descriptors.
5786         * tree-nrv.c: Update tree_pass descriptors.
5787         * tree-ssa-alias.c: Update tree_pass descriptors.
5788         * loop-init.c: Update tree_pass descriptors.
5789         * gimple-low.c: Update tree_pass descriptors.
5790         * ipa-inline.c: Update tree_pass descriptors.
5791         * tree-ssa-sink.c: Update tree_pass descriptors.
5792         * global.c: Update tree_pass descriptors.
5793         * ifcvt.c: Update tree_pass descriptors.
5794         * jump.c: Update tree_pass descriptors.
5795         * predict.c: Update tree_pass descriptors.
5796         * tree-ssa-loop.c: Update tree_pass descriptors.
5797         * recog.c: Update tree_pass descriptors.
5798         * dse.c: Update tree_pass descriptors.
5799         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5800         * tree-eh.c: Update tree_pass descriptors.
5801         * regmove.c: Update tree_pass descriptors.
5802         * local-alloc.c
5803         * function.c: Update tree_pass descriptors.
5804         * tree-vectorizer.c: Update tree_pass descriptors.
5805         * gcse.c: Update tree_pass descriptors.
5806         * ipa-type-escape.c: Update tree_pass descriptors.
5807         * tree-if-conv.c: Update tree_pass descriptors.
5808         * init-regs.c: Update tree_pass descriptors.
5809         * ipa.c: Update tree_pass descriptors.
5810         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5811         * rtl-factoring.c: Update tree_pass descriptors.
5812         * lower-subreg.c: Update tree_pass descriptors.
5813         * bt-load.c: Update tree_pass descriptors.
5814         * tree-dfa.c: Update tree_pass descriptors.
5815         * except.c: Update tree_pass descriptors.
5816         * emit-rtl.c: Update tree_pass descriptors.
5817         * cfgexpand.c: Update tree_pass descriptors.
5818         * tree-cfgcleanup.c: Update tree_pass descriptors.
5819         * cfgcleanup.c: Update tree_pass descriptors.
5820         * tree-ssa-pre.c: Update tree_pass descriptors.
5821         * tree-sra.c: Update tree_pass descriptors.
5822         * tree-mudflap.c: Update tree_pass descriptors.
5823         * tree-ssa-copy.c: Update tree_pass descriptors.
5824         * cfglayout.c: Update tree_pass descriptors.
5825         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5826         * tree-ssa-dce.c: Update tree_pass descriptors.
5827         * tree-ssa.c: Update tree_pass descriptors.
5828         * regclass.c: Update tree_pass descriptors.
5829         * integrate.c: Update tree_pass descriptors.
5830         * tree-optimize.c: Update tree_pass descriptors.
5831         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5832         * tree-object-size.c: Update tree_pass descriptors.
5833         * combine.c: Update tree_pass descriptors.
5834         * tree-outof-ssa.c: Update tree_pass descriptors.
5835         * bb-reorder.c: Update tree_pass descriptors.
5836         * stack-ptr-mod.c: Update tree_pass descriptors.
5837         * var-tracking.c: Update tree_pass descriptors.
5838         * tree-profile.c: Update tree_pass descriptors.
5839         * tree-vect-generic.c: Update tree_pass descriptors.
5840         * reg-stack.c: Update tree_pass descriptors.
5841         * sched-rgn.c: Update tree_pass descriptors.
5842         * tree-ssa-structalias.c: Update tree_pass descriptors.
5843         * tree-cfg.c: Update tree_pass descriptors.
5844         * passes.c (current_pass): Update declaration.
5845         (finish_optimization_passes): Update.
5846         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5847         (register_one_dump_file, register_dump_files_1, next_pass_1):
5848         Update arguments.
5849         (init_optimization_passes): Update handling of new types.
5850         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5851         * ipa-struct-reorg.c: Update tree_pass descriptors.
5852         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5853         * combine-stack-adj.c: Update tree_pass descriptors.
5854         * cfgrtl.c: Update tree_pass descriptors.
5855         * dce.c: Update tree_pass descriptors.
5856         * tree-ssanames.c: Update tree_pass descriptors.
5857
5858 2008-03-19  Richard Guenther  <rguenther@suse.de>
5859
5860         PR middle-end/35609
5861         * tree-ssa.c (walk_data): New structure.
5862         (warn_uninitialized_var): If not always_executed warn with "maybe"
5863         instead of "is".
5864         (execute_early_warn_uninitialized): Compute post-dominators.
5865         Initialize always_executed before processing each basic block.
5866
5867 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5868
5869         PR target/35504
5870         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5871         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5872
5873 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5874
5875         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5876
5877 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5878
5879         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5880         is true.
5881         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5882         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5883         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5884         target after ignore has been set, and move there also the commputation
5885         of subtarget and original_target.
5886         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5887         (LANG_HOOKS_INITIALIZER): Remove it.
5888         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5889
5890 2008-03-18  Richard Guenther  <rguenther@suse.de>
5891
5892         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5893         found an expression with constants, note that in the VN for the lhs.
5894         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5895         fold them to constants if possible.  Run cleanup_cfg if done so.
5896         (execute_pre): Return todo.
5897         (do_pre): Likewise.
5898         (execute_fre): Likewise.
5899         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5900         of constants.
5901         (get_prop_source_stmt): Look through pointer conversions.
5902
5903 2008-03-18  Jan Hubicka  <jh@suse.cz>
5904
5905         * tree-pretty-print.c: Include predict.h.
5906         (dump_generic_node): Dump predictor.
5907         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5908         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5909         * gimple-low.c (lower_stmt): Likewise.
5910         * expr.c (expand_expr_real): Likewise.
5911         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5912         them.
5913         (build_predict_expr, build_predict_expr): New.
5914         * predict.h (predictor_name, build_predict_expr): Update.
5915         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5916         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5917         * predict.def (PRED_CONTINUE): Update hitrate.
5918         * tree.def (PREDICT_EXPR): Define.
5919         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5920         do not handle BIND_EXPR.
5921         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5922         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5923         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5924         operands.
5925
5926 2008-03-18  Michael Matz  <matz@suse.de>
5927
5928         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5929
5930 2008-03-18  Richard Guenther  <rguenther@suse.de>
5931
5932         * tree-gimple.h (is_gimple_invariant_address): Declare.
5933         (is_gimple_constant): Likewise.
5934         * tree-gimple.c (is_gimple_constant): New function.
5935         (is_gimple_invariant_address): Likewise.
5936         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5937         and is_gimple_invariant_address.
5938         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5939         previous change.
5940         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5941         an addressable base.
5942
5943 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5944
5945         PR middle-end/35611
5946         * gimplify.c (gimplify_expr): Gimplify second operand of
5947         OMP_ATOMIC_LOAD.
5948
5949 2008-03-17  Richard Guenther  <rguenther@suse.de>
5950
5951         PR tree-optimization/19637
5952         * fold-const.c (fold_unary): Remove restrictions of removing
5953         intermediate pointer-conversions (P2)(P1)P0.
5954         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5955         conversion to void pointer.
5956         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5957
5958 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5959
5960         PR debug/31510
5961         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5962         emulated thread local variables.
5963
5964 2008-03-16  Richard Guenther  <rguenther@suse.de>
5965
5966         PR middle-end/35607
5967         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5968         expand TREE_INVARIANT operations that are not gimple invariant.
5969
5970 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5971
5972         * doc/extend.texi (Alignment): Say that the ABI controls
5973         the __alignof__ for non-strict-alignment targets rather
5974         than being a recommendation.
5975
5976 2008-03-15  Paul Brook  <paul@codesourcery.com>
5977
5978         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5979         annotations.
5980         (arm_output_fn_unwind): Mark functions that can not be unwound.
5981
5982 2008-03-15  Paul Brook  <paul@codesourcery.com>
5983
5984         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5985         extension instructions.
5986
5987 2008-03-15  Richard Guenther  <rguenther@suse.de>
5988
5989         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5990         and fold constant aggregate refs.
5991         (fold_const_aggregate_ref): Handle string constants
5992         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5993         (evaluate_stmt): Simplify now that ccp_fold folds constant
5994         aggregate refs.
5995
5996 2008-03-15  Paul Brook  <paul@codesourcery.com>
5997
5998         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5999         (extzv): Use gen_extzv_t2.
6000         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
6001
6002 2008-03-15  Richard Guenther  <rguenther@suse.de>
6003
6004         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
6005         (fold_const_aggregate_ref): Likewise.
6006         (get_value): Return NULL if we don't have any values.
6007         (ccp_finalize): Set const_val to NULL after freeing it.
6008         * tree-flow.h (get_symbol_constant_value): Declare.
6009         (fold_const_aggregate_ref): Likewise.
6010         * tree-ssa-sccvn.c (try_to_simplify): Use them.
6011
6012 2008-03-15  Richard Guenther  <rguenther@suse.de>
6013
6014         PR middle-end/35593
6015         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
6016         to not produce negative array indices if not allowed.  Add
6017         parameter to indicate that.
6018         (maybe_fold_offset_to_component_ref): Allow negative array
6019         indices only for the first member of a structure.
6020         (maybe_fold_offset_to_reference): Allow negative array indices.
6021         (maybe_fold_stmt_addition): Likewise.
6022
6023 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
6024             Anatoly Sokolov <aesok@post.ru>
6025
6026         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
6027         (avr_arch): Add ARCH_AVR6.
6028         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
6029         (initial_elimination_offset): Initialize and use 'avr_pc_size'
6030         instead of fixed value 2.
6031         (print_operand_address): Use gs() asm specifier instead of pm().
6032         (avr_assemble_integer): (Ditto.).
6033         (avr_output_addr_vec_elt): (Ditto.).
6034         (print_operand): Handle "!" code.
6035         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
6036         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
6037         (AVR_HAVE_EIJMP_EICALL): Define.
6038         (AVR_3_BYTE_PC): Redefine.
6039         (AVR_2_BYTE_PC): (Ditto.).
6040         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
6041         (LINK_SPEC): Add atmega2560 and atmega2561.
6042         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
6043         (crtm2561.o).
6044         * config/avr/avr.md (call_insn): Use eicall instead of icall
6045         for 3 byte PC devices.
6046         (call_value_insn): (Ditto.).
6047         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
6048         (indirect_jump): Use only for for 2 byte PC devices.
6049         (*tablejump): (Ditto.).
6050         (*indirect_jump_avr6): Add insn.
6051         (*tablejump_rjmp): Don't use for 3 byte PC devices.
6052         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
6053         instead of ijmp for 3 byte PC devices.
6054         (__tablejump2__): (Ditto.).
6055         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
6056         (MULITLIB_DIRNAMES): (Ditto.).
6057         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
6058
6059 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
6060
6061         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
6062         "sse2_umulsidi3".  Use V1DI mode for operand 0.
6063         ("mmx_psadbw"): Use V1DI mode for operand 0.
6064         * config/i386/i386-modes.def (V1SI): New vector mode.
6065         * config/i386/i386.c (struct builtin_description)
6066         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
6067         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
6068         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
6069         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
6070         v1di_ftype_v8qi_v8qi type.
6071         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
6072
6073         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
6074         __builtin_ia32_pmuludq]: Fix the mode of return value.
6075
6076 2008-03-15  Richard Guenther  <rguenther@suse.de>
6077
6078         PR middle-end/35595
6079         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
6080         being a PHI_NODE.
6081
6082 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
6083
6084         * doc/invoke.texi (Option Summary, Xtensa Options): Document
6085         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
6086         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
6087         unless TARGET_SERIALIZE_VOLATILE is enabled.
6088         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
6089         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
6090         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
6091
6092 2008-03-14  Richard Guenther  <rguenther@suse.de>
6093
6094         PR tree-optimization/34172
6095         * tree-flow.h (refs_may_alias_p): Declare.
6096         (get_single_def_stmt): Likewise.
6097         (get_single_def_stmt_from_phi): Likewise.
6098         (get_single_def_stmt_with_phi): Likewise.
6099         * tree-dfa.c (refs_may_alias_p): New function.
6100         (get_single_def_stmt): Likewise.
6101         (get_single_def_stmt_from_phi): Likewise.
6102         (get_single_def_stmt_with_phi): Likewise.
6103         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
6104         (vn_reference_lookup_1): New helper function.
6105         (vn_reference_lookup): Walk the virtual use-def chain to
6106         continue searching for a match if the def does not alias the
6107         reference we are looking for.
6108
6109 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
6110
6111         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
6112         archive and Perzl.  Update The Written Word listing.
6113
6114 2008-03-14  Richard Guenther  <rguenther@suse.de>
6115
6116         PR tree-optimization/34043
6117         PR tree-optimization/33989
6118         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6119         when doing FRE.
6120         (bitmap_find_leader): Use extra argument to verify dominance
6121         relationship inside a basic-block.
6122         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6123         (find_leader_in_sets): Adjust.
6124         (create_component_ref_by_pieces): Take extra argument for
6125         dominance check, handle lookup failures.
6126         (find_or_generate_expression): Likewise.
6127         (create_expression_by_pieces): Likewise.
6128         (insert_into_preds_of_block): Adjust.
6129         (create_value_expr_from): If asked for, verify all operands
6130         are in the blocks AVAIL_OUT set.
6131         (make_values_for_stmt): Check for SSA_NAMEs that are life
6132         over an abnormal edge.
6133         (compute_avail): Remove such check.
6134         (do_SCCVN_insertion): New function.
6135         (eliminate): If we do not find a leader suitable for replacement
6136         insert a replacement expression from SCCVN if available.
6137         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6138         (struct vn_ssa_aux): Add needs_insertion flag.
6139         * tree-ssa-sccvn.c (may_insert): New global flag.
6140         (copy_reference_ops_from_ref): Value-number union member access
6141         based on its size, not type and member if insertion is allowed.
6142         (visit_reference_op_load): For a weak match from union type
6143         punning lookup a view-converted value and insert a SSA_NAME
6144         for that value if that is not found.
6145         (visit_use): Make dumps shorter.  Do not disallow value numbering
6146         SSA_NAMEs that are life over an abnormal edge to constants.
6147         (free_scc_vn): Release inserted SSA_NAMEs.
6148         (run_scc_vn): New flag to specify whether insertion is allowed.
6149         Process SSA_NAMEs in forward order.
6150         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6151         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6152         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6153         pointer type to/from integral types that do not change the
6154         precision to regular conversions.
6155
6156 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6157
6158         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6159         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6160         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6161         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6162         input arguments and the mode of return value.  Built-in functions
6163         that operate on whole 64-bit MMX register now use V1DI mode.
6164
6165 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6166             Olga Golovanevsky  <olga@il.ibm.com>
6167
6168         PR tree-optimization/35041
6169         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6170         to locate the right position in a statement.
6171
6172 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6173
6174         PR target/34000
6175         PR target/35553
6176         * config/i386/xmmintrin.h:  Change all static inline functions to
6177         extern inline and add __gnu_inline__ attribute.
6178         * config/i386/bmintrin.h: Ditto.
6179         * config/i386/smmintrin.h: Ditto.
6180         * config/i386/tmmintrin.h: Ditto.
6181         * config/i386/mmintrin-common.h: Ditto.
6182         * config/i386/ammintrin.h: Ditto.
6183         * config/i386/emmintrin.h: Ditto.
6184         * config/i386/pmmintrin.h: Ditto.
6185         * config/i386/mmintrin.h: Ditto.
6186         * config/i386/mm3dnow.h: Ditto.
6187
6188 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6189
6190         PR middle-end/35185
6191         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6192         (lower_omp_2): New function.
6193         (lower_omp_1, lower_omp): Rewritten.
6194
6195 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6196
6197         PR 35054
6198         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6199         with the phrase "Microsoft Windows compilers".
6200         (Push/Pop Macro Pragmas): New subsection. Document
6201         #pragma push_macro and pragma pop_macro.
6202
6203 2008-03-12  Paul Brook  <paul@codesourcery.com>
6204
6205         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6206
6207 2008-03-12  Paul Brook  <paul@codesourcery.com>
6208
6209         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6210         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6211         (thumb2_addsi_shortim): Rename ...
6212         (thumb2_addsi_short): ... to this.  Allow register operands.
6213         (thumb2_subsi_short): New pattern.
6214         (thumb2_one_cmplsi2_short,
6215         thumb2_negsi2_short): New patterns and peepholes.
6216
6217 2008-03-12  Paul Brook  <paul@codesourcery.com>
6218
6219         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6220
6221 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6222
6223         * config/i386/i386.md (int_cond): New code iterator.
6224         (fp_cond): Ditto.
6225         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6226         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6227         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6228         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6229         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6230         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6231         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6232         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6233
6234 2008-03-12  Paul Brook  <paul@codesourcery.com>
6235
6236         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6237         instead of {arm,thumb}_compute_save_reg_mask.
6238         (output_return_instruction): Ditto.
6239         (thumb_unexpanded_epilogue): Ditto.
6240         (thumb1_expand_prologue): Ditto.
6241         (thumb1_output_function_prologue): Ditto.
6242         (arm_set_return_address): Ditto.
6243         (thumb_set_return_address): Ditto.
6244         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6245         regs to achieve stack alignment.
6246         (thumb1_compute_save_reg_mask): Fix compiler warning.
6247         (arm_output_epilogue): Use offsets->saved_regs_mask.
6248         Adjust stack pointer by poping call clobered registers.
6249         (arm_expand_prologue): Use offsets->saved_regs_mask.
6250         Adjust stack pointer by pushing extra registers.
6251         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6252
6253 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6254
6255         PR tree-opt/35422
6256         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6257         conversion to the operands of a multiplication.
6258
6259 2008-03-12  Richard Guenther  <rguenther@suse.de>
6260
6261         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6262         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6263         * timevar.def (TV_TREE_PHIPROP): Add.
6264         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6265         pass description.  Use TV_TREE_PHIPROP.
6266         * tree-ssa-forwprop.c: Remove phiprop code.
6267
6268 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6269
6270         PR middle-end/35549
6271         * omp-low.c (maybe_lookup_decl): Constify first argument.
6272         (use_pointer_for_field): Change last argument from bool to
6273         omp_context *.  Disallow shared copy-in/out in nested
6274         parallel if decl is shared in outer parallel too.
6275         (build_outer_var_ref, scan_sharing_clauses,
6276         lower_rec_input_clauses, lower_copyprivate_clauses,
6277         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6278
6279 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6280             Ira Rosen  <irar@il.ibm.com>
6281
6282         * tree-vectorizer.c (free_stmt_vec_info): New function.
6283         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6284         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6285         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6286         * tree-vect-transform.c (vectorizable_conversion): Free
6287         vec_oprnds0 if it was allocated.
6288         (vect_permute_store_chain): Remove unused VECs.
6289         (vectorizable_store): Free VECs that are allocated in the..
6290         function.
6291         (vect_transform_strided_load, vectorizable_load): Likewise.
6292         (vect_remove_stores): Simplify the code.
6293         (vect_transform_loop): Move code to vect_remove_stores().
6294         Call vect_remove_stores() and free_stmt_vec_info().
6295
6296 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6297
6298         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6299         TARGET_HPUX.  Revise comment.
6300         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6301         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6302         Use sr4 variant of `be' instruction when not generating PIC code.
6303         (attr_length_call): Adjust for above change.
6304
6305 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6306
6307         * ipa-reference.c (static_execute): Remove module_statics_const and
6308         associated setting code.
6309
6310 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6311
6312         PR target/35540
6313         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6314         predicate for operand 1.
6315         (paritysi2_cmp): Use register_operand predicate for operand 2.
6316         Use earlyclobber modifier for operand 1.  Remove support for
6317         memory operands.
6318         (paritydi2_cmp): Use register_operand predicate for operand 3.
6319         Use earlyclobber modifier for operand 1.  Remove support for
6320         memory operands.
6321
6322 2008-03-11  Paul Brook  <paul@codesourcery.com>
6323             Vladimir Prus  <vladimir@codesourcery.com>
6324
6325         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6326         (arm_compute_save_reg0_reg12_mask): Always
6327         check if register 11 must be saved.  Always safe hard frame pointer
6328         when frame_pointer_needeed.
6329         (arm_compute_save_reg_mask): Save IP and PC
6330         only with apcs frames.
6331         (arm_output_epilogue): Adjust Thumb2 codepath to
6332         be also invoked and work for ARM non-apcs frames.
6333         (arm_expand_prologue): Don't bother saving IP
6334         for non-apcs frame, since it's not clobbered by
6335         prologue code.  Implement non-apcs frame
6336         layout.
6337
6338 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6339
6340         PR rtl-optimization/35281
6341         * expr.c (convert_move): Use a new pseudo for the intermediate
6342         from_mode->word_mode result.
6343
6344 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6345
6346         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6347         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6348         * toplev.c (compile_file): Don't call it.
6349
6350 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6351
6352         PR middle-end/35526
6353         * expr.c (store_expr): Call emit_block_move if the mode
6354         of "temp" RTX is BLKmode.
6355
6356 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6357             Richard Guenther  <rguenther@suse.de>
6358
6359         PR tree-optimization/31358
6360         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6361         the step with a NULL_TREE.
6362         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6363         to sizetype if type is a pointer type.
6364         (add_candidate_1): Don't convert the base and step to
6365         the generic type if the orginal type is a pointer type.
6366         (add_iv_value_candidates): Use sizetype for the step
6367         if type is a pointer type.
6368         (cand_value_at): Likewise.
6369         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6370         for pointer types.
6371         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6372         Don't convert the tem affine to the type.
6373         (add_elt_to_tree): Use sizetype for the step if a pointer.
6374         Use POINTER_PLUS_EXPR for pointers.
6375         (aff_combination_to_tree): Use sizetype for the step if a
6376         pointer.
6377
6378 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6379
6380         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6381         Remove commutativity hint.
6382
6383 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6384
6385         PR c/35438
6386         PR c/35439
6387         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6388         errorneous type.  Check that v is a VAR_DECL.
6389
6390         PR middle-end/35099
6391         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6392
6393 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6394
6395         PR tree-optimization/35494
6396         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6397         may be overriden at link and run time.
6398
6399 2008-03-10  Richard Guenther  <rguenther@suse.de>
6400
6401         PR tree-optimization/34677
6402         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6403         (poolify_tree): Likewise.
6404         (modify_expr_template): Likewise.
6405         (poolify_modify_stmt): Likewise.
6406         (insert_fake_stores): Handle all component-ref style stores
6407         in addition to INDIRECT_REF.  Also handle complex types.
6408         Do not poolify the inserted load.
6409         (realify_fake_stores): Do not rebuild the tree but only
6410         make it a SSA_NAME copy.
6411         (init_pre): Remove initialzation of modify_expr_template.
6412         Do not allocate modify_expr_node_pool.
6413         (fini_pre): Do not free modify_expr_node_pool.
6414
6415 2008-03-10  Paul Brook  <paul@codesourcery.com>
6416
6417         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6418         to avoid conflicts.
6419
6420 2008-03-10  Paul Brook  <paul@codesourcery.com>
6421             Mark Shinwell  <shinwell@codesourcery.com>
6422
6423         * config/arm/cortex-r4.md: New.
6424         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6425         insn attributes.
6426         * config/arm/arm.md: Include cortex-r4.md.
6427         (insn): Add smmls, sdiv and udiv values.
6428         (generic_sched): Don't use generic scheduling for Cortex-R4.
6429         (arm_issue_rate): New function.
6430         (TARGET_SCHED_ISSUE_RATE): Define.
6431
6432 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6433
6434         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6435
6436 2008-03-10  Richard Guenther  <rguenther@suse.de>
6437
6438         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6439         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6440
6441 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6442
6443         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6444         Set default to true.
6445
6446 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6447
6448         * c.opt (Wsynth): Deprecate.
6449         * doc/invoke.texi (Option Summary, Warning Options): Document
6450         -Wno-format-contains-nul.
6451
6452 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6453
6454         PR target/35496
6455         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6456         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6457
6458 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6459
6460         * config/rs6000/rs6000.c (builtin_description): Rename vector
6461         left shift operations.
6462         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6463         (altivec_vsl<VI_char>): Rename to ...
6464         (ashl<mode>3): ... new name.
6465         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6466         gen_ashlv4si3.
6467         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6468
6469 2008-03-08  Richard Guenther  <rguenther@suse.de>
6470
6471         * coverage.h (tree_coverage_counter_addr): Declare.
6472         * coverage.c (tree_coverage_counter_addr): New function.
6473         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6474         before using again.
6475         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6476         (tree_gen_one_value_profiler): Likewise.
6477         (tree_gen_ic_profiler): Likewise.
6478         (tree_gen_average_profiler): Likewise.
6479         (tree_gen_ior_profiler): Likewise.
6480
6481 2008-03-08  Richard Guenther  <rguenther@suse.de>
6482
6483         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6484         (vn_binary_op_insert): Likewise.
6485         (vn_unary_op_lookup): Likewise.
6486         (vn_unary_op_insert): Likewise.
6487         (vn_nary_op_lookup): Declare.
6488         (vn_nary_op_insert): Likewise.
6489         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6490         and binary hashes, use a single obstack for unary_op_pool
6491         and binary_op_pool.
6492         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6493         a single struct vn_nary_op_s.  Store tree code length and
6494         a variable number of operands.
6495         (struct vn_reference_op_struct): Remove unused op2.
6496         (vn_reference_op_eq): Do not compare op2.
6497         (vn_reference_op_compute_hash): Do not compute hash of op2.
6498         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6499         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6500         with vn_nary_op_compute_hash.
6501         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6502         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6503         vn_nary_op_lookup.
6504         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6505         vn_nary_op_insert.
6506         (visit_unary_op): Call nary functions.
6507         (visit_binary_op): Likewise.
6508         (process_scc): Adjust for struct vn_tables_s changes.
6509         (allocate_vn_table): Likewise.
6510         (free_vn_table): Likewise.
6511         * tree-vn.c (vn_add): Call nary functions.
6512         (vn_lookup): Likewise.
6513
6514 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6515
6516         PR target/35498
6517         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6518         wdst back after sync_compare_and_swapqhi_internal.
6519
6520 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6521
6522         PR target/22152
6523         * config/i386/i386-modes.def (V1DI): New vector mode.
6524         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6525         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6526         (MMXMODE248): Ditto.
6527         (MMXMODE): Add V1DI mode.
6528         (mmxvecsize): Change DI mode to V1DI mode.
6529         ("mov<mode>): Use MMXMODEI8 mode iterator.
6530         ("*mov<mode>_internal_rex64"): Ditto.
6531         ("*mov<mode>_internal"): Ditto.
6532         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6533         ("mmx_sub<mode>3"): Ditto.
6534         ("mmx_adddi3"): Remove insn pattern.
6535         ("mmx_subdi3"): Ditto.
6536         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6537         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6538         ("mmx_ashl<mode>3"): Ditto.
6539         ("mmx_lshrdi3"): Remove insn pattern.
6540         ("mmx_ashldi3"): Ditto.
6541         * config/i386/i386.c (classify_argument): Handle V1DImode.
6542         (function_arg_advance_32): Ditto.
6543         (function_arg_32): Ditto.
6544         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6545         mmx_addv1di3 insn pattern.
6546         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6547         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6548         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6549         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6550         Remove definitions of built-in functions.
6551         (V1DI_type_node): New node.
6552         (v1di_ftype_v1di_int): Ditto.
6553         (v1di_ftype_v1di_v1di): Ditto.
6554         (v2si_ftype_v2si_si): Ditto.
6555         (v4hi_ftype_v4hi_di): Remove node.
6556         (v2si_ftype_v2si_di): Ditto.
6557         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6558         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6559         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6560         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6561         Add new builtins using def_builtin_const.
6562         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6563         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6564         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6565         * config/i386/mmintrin.h (__v1di): New typedef.
6566         (_mm_add_si64): Cast arguments to __v1di type.
6567         (_mm_sub_si64): Ditto.
6568         (_mm_sll_pi16): Cast __count to __v4hi type.
6569         (_mm_sll_pi32): Cast __count to __v2si type.
6570         (_mm_sll_si64): Cast arguments to __v1di type.
6571         (_mm_srl_pi16): Cast __count to __v4hi type.
6572         (_mm_srl_pi32): Cast __count to __v2si type.
6573         (_mm_srl_si64): Cast arguments to __v1di type.
6574         (_mm_sra_pi16): Cast __count to __v4hi type.
6575         (_mm_sra_pi32): Cast __count to __v2si type.
6576         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6577         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6578         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6579         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6580         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6581         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6582         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6583         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6584         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6585         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6586         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6587         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6588
6589 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6590
6591         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6592
6593 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6594
6595         PR target/35373
6596         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6597         reg+const addressing for Altivec modes.  Don't generate reg+reg
6598         addressing for TFmode or TDmode quantities.
6599
6600 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6601
6602         * c-common.c (vector_types_convertible_p): Call langhook
6603         instead of comptypes.
6604
6605 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6606
6607         PR tree-opt/35402
6608         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6609         integral and scalar float variables which have a
6610         NULL DECL_INITIAL.
6611
6612 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6613
6614         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6615         dwarf_register_span hook when emitting unwind information for
6616         register-to-memory saves.
6617         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6618         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6619
6620 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6621
6622         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6623         for the same VAR_DECL.
6624
6625 2008-03-06  Tom Tromey  <tromey@redhat.com>
6626
6627         * treelang: Delete.
6628         * doc/standards.texi (Standards): Don't mention treelang.
6629         * doc/invoke.texi (Overall Options): Don't mention treelang.
6630         * doc/install.texi (Prerequisites): Don't mention bison or
6631         treelang.
6632         (Configuration): Don't mention treelang.
6633         (Building): Likewise.
6634         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6635
6636 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6637
6638         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6639         word-extractions out of a multi-word object.
6640
6641 2008-03-06  Richard Guenther  <rguenther@suse.de>
6642
6643         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6644         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6645         result type and precision.
6646         * expr.c (get_inner_reference): Set unsignedp based on the result
6647         type of BIT_FIELD_REF.
6648         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6649         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6650         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6651         for BIT_FIELD_REF.
6652         (sra_build_assignment): Likewise.
6653         (sra_build_elt_assignment): Likewise.
6654         (sra_explode_bitfield_assignment): Likewise.
6655         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6656         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6657         set BIT_FIELD_REF_UNSIGNED.
6658         (vectorizable_load): Likewise.
6659
6660 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6661
6662         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6663         at bb start.
6664
6665 2008-03-06  Richard Guenther  <rguenther@suse.de>
6666
6667         * alias.c (struct alias_set_entry): Move has_zero_child field
6668         to pack with alias_set.
6669
6670 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6671
6672         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6673         32bit host.
6674
6675 2008-03-05  Ian Lance Taylor  <iant@google.com>
6676
6677         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6678
6679 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6680
6681         * fwprop.c (update_df): Support width and offset parameters of
6682         df_ref_create.
6683         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6684         global_conflicts): Change DF_REF_EXTRACT to either
6685         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6686         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6687         * df-scan.c (df_ref_record, df_defs_record,
6688         df_ref_create_structure, df_def_record_1, df_uses_record,
6689         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6690         df_bb_refs_collect, df_entry_block_defs_collect,
6691         df_exit_block_uses_collect): Support new width and offset fields.
6692         (ref_extract_pool): New storage pool.
6693         (df_free_ref): New function.
6694         (df_reg_chain_unlink, df_free_collection_rec,
6695         df_sort_and_compress_refs): Call df_free_ref.
6696         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6697         of df_ref_extract.
6698         (df_ref_create_structure): Allocate df_ref_extract if offset and
6699         width fields are used.
6700         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6701         (df_uses_record): Get offset and width from ZERO_EXTRACT
6702         and SIGN_EXTRACT.
6703         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6704         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6705         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6706         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6707         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6708         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6709         (df_ref_extract): New structure.
6710         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6711         (df_ref_create): Add width and offset parameters.
6712
6713 2008-03-05  Richard Guenther  <rguenther@suse.de>
6714
6715         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6716         Use ranges_overlap_p.
6717         (offset_overlaps_with_access): Rename
6718         to ranges_overlap_p and move ...
6719         * tree-flow-inline.h (ranges_overlap_p): ... here.
6720
6721         * tree.h (get_inner_reference, handled_component_p): Update
6722         comments.
6723
6724         * tree.h (record_component_aliases, get_alias_set,
6725         alias_sets_conflict_p, alias_sets_must_conflict_p,
6726         objects_must_conflict_p): Move declarations ...
6727         * alias.h (record_component_aliases, get_alias_set,
6728         alias_sets_conflict_p, alias_sets_must_conflict_p,
6729         objects_must_conflict_p): ... here.
6730         Include coretypes.h.
6731         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6732
6733 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6734
6735         * cfg.c: Include tree-flow.h.
6736         (remove_edge_raw): Call redirect_edge_var_map_clear.
6737         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6738         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6739         (redirect_edge_var_map_result): New.
6740         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6741         PENDING_STMT use with redirect_edge_var_map_*.
6742         * tree-ssa.c (edge_var_maps): New definition.
6743         (redirect_edge_var_map_add): New.
6744         (redirect_edge_var_map_clear): New.
6745         (redirect_edge_var_map_dup): New.
6746         (redirect_edge_var_map_vector): New.
6747         (redirect_edge_var_map_destroy): New.
6748         (ssa_redirect_edge): Replace PENDING_STMT use with
6749         redirect_edge_var_map_*.
6750         (flush_pending_stmts): Same.
6751         (delete_tree_ssa): Destroy edge var map.
6752         * tree-flow.h (struct _edge_var_map): New.
6753         Define edge_var_map vector type.
6754         Declare redirect_edge_var_map_* prototypes.
6755         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6756         * tree-cfg.c (reinstall_phi_args): Replace
6757         PENDING_STMT use with redirect_edge_var_map_*.
6758
6759 2008-03-05  Richard Guenther  <rguenther@suse.de>
6760
6761         PR tree-optimization/35472
6762         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6763         whose single use_stmt has a overlapping set of loaded and
6764         stored symbols as that use_stmt might be a noop assignment then.
6765
6766 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6767
6768         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6769
6770 2008-03-05  Richard Guenther  <rguenther@suse.de>
6771
6772         PR c++/35336
6773         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6774         should be constants.
6775         * tree-cfg.c (verify_expr): Verify it.
6776         * fold-const.c (fold_truthop): Remove code generating
6777         BIT_FIELD_REFs of structure bases.
6778         (fold_binary): Likewise.
6779         (fold_ternary): Position and size of BIT_FIELD_REFs are
6780         always host integers.
6781         (make_bit_field_ref): Remove.
6782         (optimize_bit_field_compare): Remove.
6783         (all_ones_mask_p): Remove.
6784
6785 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6786
6787         PR gcc/33009
6788         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6789         (split_block_and_df_analyze): New. Split basic block and rebuild
6790         dataflow.
6791         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6792         SPLIT_BLOCK.
6793         (split_pattern_seq): Likewise.
6794         (erase_matching_seqs): Likewise.
6795         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6796
6797 2008-03-04  Geoff Keating  <geoffk@apple.com>
6798
6799         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6800         declaration and code.
6801         (tree_invalid_nonnegative_warnv_p): Likewise.
6802
6803 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6804
6805         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6806         examples.  Truncate option-names then causing overfull hbox.
6807
6808 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6809
6810         PR target/35222
6811         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6812         on hpux10.
6813         * configure: Rebuilt.
6814
6815 2008-03-04  Rafael Espindola  <espindola@google.com>
6816
6817         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6818         (tree_unary_nonnegative_warnv_p): New.
6819         (tree_binary_nonnegative_warnv_p): New.
6820         (tree_single_nonnegative_warnv_p): New.
6821         (tree_invalid_nonnegative_warnv_p): New.
6822         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6823
6824 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6825
6826         PR 28322
6827         * opts.c (handle_option): Postpone 'unknown option' errors only for
6828         warning options.
6829
6830 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6831
6832         PR target/35453
6833         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6834         (_SIDD_XXX): This.
6835
6836 2008-03-04  Rafael Espindola  <espindola@google.com>
6837
6838         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6839         (tree_binary_nonzero_warnv_p): New.
6840         (tree_single_nonzero_warnv_p): New.
6841         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6842
6843 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6844
6845         PR middle-end/35456
6846         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6847         transformations for modes that have signed zeros.
6848         * ifcvt.c (noce_try_abs): Ditto.
6849
6850 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6851
6852         * config/i386/i386.c (override_options): Force
6853         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6854
6855 2008-03-04  Jan Hubicka  <jh@suse.cz>
6856
6857         PR c++/35262
6858         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6859         in last commit.
6860
6861 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6862
6863         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6864         label to probe the stack.
6865
6866 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6867
6868         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6869         (__gthr_win32_mutex_destroy): Declare.
6870         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6871         __gthr_win32_mutex_destroy.
6872         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6873
6874 2008-03-03  Jan Hubicka  <jh@suse.cz>
6875
6876         PR c++/35262
6877         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6878         aggressive on inlining cold calls.
6879
6880 2008-03-03  Richard Guenther  <rguenther@suse.de>
6881
6882         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6883         struct copies into the expression table.
6884         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6885         (try_to_simplify): Likewise.
6886         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6887         integral and pointer arguments which do not change the
6888         precision to NOP_EXPRs.
6889         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6890         VIEW_CONVERT_EXPR case.
6891
6892 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6893
6894         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6895         defined in a loop at depth 0 is invariant.
6896         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6897         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6898         be called at loop depth 0.
6899
6900 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6901
6902         PR driver/35420
6903         * gcc.c (process_command): Update copyright notice dates.
6904         * gcov.c (print_version): Likewise.
6905         * gcov-dump.c (print_version): Likewise.
6906         * mips-tfile.c (main): Likewise.
6907         * mips-tdump.c (main): Likewise.
6908
6909 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6910
6911         PR 24924
6912         * c-common.c (flag_permissive): Delete.
6913         (constant_expression_warnings): Check flags first.
6914         (constant_expression_error): New.
6915         * c-common.h (flag_permissive): Delete.
6916         (constant_expression_error): Declare.
6917         * flags.h (flag_permissive): Declare. Update description.
6918         * diagnostic.c (pedwarn): Update.
6919         (permerror): New.
6920         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6921         (permissive_error_kind): New.
6922         * toplev.c (flag_permissive): Define. Update description.
6923         * toplev.h (permissive_error_kind): Declare.
6924         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6925         (pedwarn_c90): Use pedantic_warning_kind.
6926         * c-opts.c (c_common_post_options): flag_permissive does not affect
6927         flag_pedantic_errors.
6928
6929 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6930
6931         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6932         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6933         __absvsi2, __absvDI2): Use unsigned arithmetic.
6934
6935 2008-03-02  Andi Kleen  <ak@suse.de>
6936             Richard Guenther  <rguenther@suse.de>
6937
6938         * struct-equiv.c: Remove file.
6939         * cfg_cleanup.c (condjump_equiv_p): Remove.
6940         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6941         (struct-equiv.o): Remove rule.
6942         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6943         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
6944         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6945
6946 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6947
6948         * ifcvt.c (noce_process_if_block): Try to handle only the then
6949         block if the else block exists but isn't suitable.
6950
6951 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6952
6953         PR gcc/35063
6954         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6955         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6956         regression from previous patch.
6957
6958 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6959
6960         PR gcc/35063
6961         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6962         implemented.
6963         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6964         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6965         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6966         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6967         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6968         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6969         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6970         (__gthread_mutex_destroy_function): Rename to
6971         __gthread_mutex_destroy.
6972         * gthr-dce.h (__gthread_mutex_destroy): Call
6973         pthread_mutex_destroy.
6974         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6975         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6976         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6977
6978 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6979
6980         * df-scan.c (df_ref_chain_change_bb): Simplify.
6981         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6982         set_block_for_insn if there's any change.
6983         * df.h ((df_insn_change_bb): Fix prototype.
6984         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6985         df_insn_change_bb, don't call set_block_for_insn.
6986         * emit-rtl.c (reorder_insns): Likewise.
6987         * haifa-sched.c (move_insn): Likewise.
6988
6989 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6990
6991         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6992
6993 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6994
6995         * tree-flow-inline.h (next_readonly_imm_use): Return
6996         NULL_USE_OPERAND_P after the end.
6997
6998 2008-03-01  Richard Guenther  <rguenther@suse.de>
6999
7000         PR tree-optimization/35411
7001         * tree-sra.c (sra_build_assignment): Split conversion to
7002         final type to a separate statement if we are not assigning
7003         to a register.
7004
7005 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7006
7007         * fold-const.c (fold_convertible_p): Correct the logic to follow
7008         that in fold_convert().
7009
7010 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
7011
7012         PR c++/35315
7013         * tree-inline.c (build_duplicate_type): When we make a
7014         duplicate type, make it unique in the canonical types system.
7015
7016 2008-02-29  Tom Tromey  <tromey@redhat.com>
7017
7018         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
7019         input_file_stack_history, input_file_stack_restored): Remove.
7020         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7021         * input.h (struct file_stack): Remove.
7022         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
7023         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
7024         Likewise.
7025         * diagnostic.h (struct diagnostic_context) <last_module>: Change
7026         type.
7027         (diagnostic_last_module_changed): Add 'map' argument.
7028         (diagnostic_set_last_function): Likewise.
7029         * diagnostic.c (undiagnostic_report_current_module): Iterate using
7030         line map, not input_file_stack.
7031         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
7032
7033 2008-02-29  Paul Brook  <paul@codesourcery.com>
7034
7035         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
7036
7037 2008-02-29  Paul Brook  <paul@codesourcery.com>
7038
7039         * config/arm/ieee754-df.S (muldf3): Use RET macros.
7040
7041 2008-02-29  Richard Guenther  <rguenther@suse.de>
7042
7043         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
7044         vn_lookup_or_add.
7045         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
7046         value for comparing for a store match.
7047         (simplify_unary_expression): Do nothing for SSA_NAMEs.
7048         (try_to_simplify): Do not do a full-blown reference lookup.
7049
7050 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7051
7052         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
7053         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7054
7055         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
7056
7057 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
7058
7059         * tree-loop-linear.c (try_interchange_loops): Compare memory access
7060         strides against cache sizes.
7061
7062 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
7063
7064         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
7065         constant to fpul.
7066
7067 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
7068
7069         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
7070         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
7071         is smaller than the original promoted value.
7072         (simplify_subreg): If OP is a SUBREG, try to preserve its
7073         SUBREG_PROMOTED_VAR_P information.
7074
7075 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
7076
7077         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
7078         (VN_INFO_GET): Allocate new objects on the obstack.
7079         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
7080         for rpo_numbers_temp, for consistency.
7081         (free_scc_vn): Free the obstack.
7082
7083 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
7084
7085         * doc/invoke.texi: Document -ftree-loop-distribution.
7086         * tree-loop-distribution.c: New.
7087         * tree-pass.h (pass_loop_distribution): New.
7088         * graphds.h (struct graph): Add htab_t indices.
7089         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
7090         * tree-vectorizer.c (rename_variables_in_loop): Extern.
7091         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
7092         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
7093         * tree-data-ref.c (debug_data_dependence_relations): New.
7094         (dump_data_dependence_relation): Also print data references.
7095         (free_data_ref): Extern.
7096         (same_access_functions): Moved...
7097         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
7098         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7099         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
7100         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
7101         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
7102         (stmts_from_loop): Skip LABEL_EXPR.
7103         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
7104         New.
7105         (build_rdg): Initialize rdg->indices htab.
7106         (free_rdg, stores_from_loop, ref_base_address,
7107         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
7108         have_similar_memory_accesses_1, ref_base_address_1,
7109         remove_similar_memory_refs): New.
7110         * tree-data-ref.h: Depend on tree-chrec.h.
7111         (debug_data_dependence_relations, free_data_ref): Declared.
7112         (same_access_functions): ... here.
7113         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
7114         New.
7115         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
7116         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7117         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7118         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7119         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7120         rdg_vertex_for_stmt): Declared.
7121         (struct rdg_edge): Add level.
7122         (RDGE_LEVEL): New.
7123         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7124         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7125         Declared.
7126         (rdg_has_similar_memory_accesses): New.
7127         * tree-vect-analyze.c: Remove unused static decls.
7128         * lambda.h (dependence_level): New.
7129         * common.opt (ftree-loop-distribution): New.
7130         * tree-flow.h (mark_virtual_ops_in_bb,
7131         slpeel_tree_duplicate_loop_to_edge_cfg,
7132         rename_variables_in_loop): Declared.
7133         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7134         (OBJS-common): Add tree-loop-distribution.o.
7135         (tree-loop-distribution.o): New rule.
7136         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7137         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7138         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7139
7140 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7141
7142         PR target/33963
7143         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7144         other than structures and unions.
7145
7146 2008-02-28  Richard Guenther  <rguenther@suse.de>
7147
7148         Revert:
7149         2008-02-26  Richard Guenther  <rguenther@suse.de>
7150
7151         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7152         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7153         (lookup_decl_from_uid): Declare.
7154         (remove_decl_from_map): Likewise.
7155         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7156         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7157         (decl_for_uid_map): New global hashtable mapping DECL_UID
7158         to the decl tree.
7159         (init_ttree): Allocate it.
7160         (insert_decl_to_uid_decl_map): New helper function.
7161         (make_node_stat): Insert new decls into the map.
7162         (copy_node_stat): Likewise.
7163         (lookup_decl_from_uid): New function.
7164         (remove_decl_from_map): Likewise.
7165         (print_decl_for_uid_map_statistics): New helper.
7166         (dump_tree_statistics): Call it.
7167
7168         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7169         (referenced_var_iterator): Adjust.
7170         (FOR_EACH_REFERENCED_VAR): Adjust.
7171         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7172         (num_referenced_vars): Adjust.
7173         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7174         (first_referenced_var): Remove.
7175         (end_referenced_vars_p): Likewise.
7176         (next_referenced_var): Likewise.
7177         (referenced_var_iterator_set): New helper function.
7178         * tree-dfa.c (referenced_var_lookup): Adjust.
7179         (referenced_var_check_and_insert): Likewise.
7180         (remove_referenced_var): Likewise.
7181         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7182         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7183         (verify_call_clobbering): Likewise.
7184         (verify_memory_partitions): Likewise.
7185         (init_tree_ssa): Allocate bitmap instead of hashtable for
7186         referenced_vars.
7187         (delete_tree_ssa): Adjust.
7188         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7189         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7190         (compute_tag_properties): Likewise.
7191         (set_initial_properties): Likewise.
7192         (find_partition_for): Likewise.
7193         (update_reference_counts): Likewise.
7194         (dump_may_aliases_for): Likewise.
7195         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7196         (add_call_clobber_ops): Likewise.
7197         (add_call_read_ops): Likewise.
7198         (get_asm_expr_operands): Likewise.
7199         * tree-into-ssa.c (dump_decl_set): Likewise.
7200         (update_ssa): Likewise.
7201         * tree-sra.c (scan_function): Likewise.
7202         (decide_instantiations): Likewise.
7203         (scalarize_parms): Likewise.
7204         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7205         (dsa_named_for): Likewise.
7206         * tree-ssa-structalias.c (update_alias_info): Likewise.
7207         (merge_smts_into): Likewise.
7208
7209 2008-02-27  David Daney  <ddaney@avtrex.com>
7210
7211         PR target/34409
7212         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7213         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7214         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7215         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7216         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7217
7218 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7219
7220         PR target/25477
7221         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7222         (BUILT_IN_NEXTTOWARD): Remove.
7223         (BUILT_IN_NEXTTOWARDF): Ditto.
7224         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7225         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7226
7227 2008-02-27  Tom Tromey  <tromey@redhat.com>
7228
7229         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7230         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7231
7232 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7233
7234         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7235         update the respective field on newdecl.
7236
7237 2008-02-27  Revital Eres  <eres@il.ibm.com>
7238
7239         PR rtl-optimization/34999
7240         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7241         crossing edges that ends with a call insn.
7242         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7243         call insn and clear the EDGE_CROSSING flag of the crossing edge
7244         when fixing fallthru edges.
7245
7246 2008-02-27  Richard Guenther  <rguenther@suse.de>
7247
7248         PR middle-end/35390
7249         * fold-const.c (fold_unary): Return the correct argument,
7250         converted to the result type.
7251
7252 2008-02-27  Richard Guenther  <rguenther@suse.de>
7253
7254         PR middle-end/34971
7255         * expr.c (expand_expr_real_1): Assert on rotates that operate
7256         on partial modes.
7257         * fold-const.c (fold_binary): Use the types precision, not the
7258         bitsize of the mode if folding rotate expressions.  Build rotates
7259         only for full modes.
7260
7261 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7262
7263         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7264         and CPP_PRAGMA_EOL.
7265         * c-pragma.c (pragma_ns_name): New typedef.
7266         (registered_pp_pragmas): New variable.
7267         (c_pp_lookup_pragma): New function.
7268         (c_register_pragma_1): If flag_preprocess_only, do nothing
7269         for non-expanded pragmas, for expanded ones push pragma's
7270         namespace and name into registered_pp_pragmas vector.
7271         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7272         flag_preprocess_only, don't register GCC pch_preprocess
7273         pragma if flag_preprocess_only.
7274         * c-opts.c (c_common_init): Call init_pragma even if
7275         flag_preprocess_only.
7276         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7277         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7278         cpp_register_pragma if flag_preprocess_only.
7279
7280 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7281
7282         PR c/28800
7283         * c-parser.c (c_parser_translation_unit): Warn for empty
7284         translation unit, not empty source file.
7285
7286 2008-02-26  Paul Brook  <paul@codesourcery.com>
7287
7288         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7289         operand for Thumb-2.
7290         * config/arm/arm.h (reg_class): Add CORE_REGS.
7291         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7292         (BASE_REG_CLASS): Use CORE_REGS.
7293         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7294         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7295         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7296         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7297         ARM_REGNO_OK_FOR_INDEX_P.
7298         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7299         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7300         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7301         (ldm/stm peepholes): Ditto.
7302         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7303         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7304         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7305         * config/arm/constraints.md: Enable "k" constraint on ARM.
7306
7307 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7308
7309         * config/rs6000/rs6000.c: Annotate cache line size field in all
7310         instances of struct processor_costs.
7311
7312 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7313
7314         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7315         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7316         jump_bypass): New counters.
7317         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7318         * dce.c (gate_ud_dce): Same.
7319         (gate_fast_dce): Same.
7320         * dse.c (gate_dse1): New function.
7321         (gate_dse2): New function.
7322         (gate_dse): Merge results of new gate functions.
7323         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7324         (gate_handle_jump_bypass): Add dbg_cnt.
7325         (gate_handle_gcse): Add dbg_cnt.
7326         * ifcvt.c (gate_handle_if_conversion): Same.
7327         (gate_handle_if_after_combine): Same.
7328         (gate_handle_if_after_reload): Same.
7329         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7330
7331 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7332
7333         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7334         line sizes.
7335         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7336
7337 2008-02-26  Jason Merrill  <jason@redhat.com>
7338
7339         PR c++/35315
7340         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
7341         alone if it's the naming decl for the type's main variant.
7342
7343 2008-02-26  Tom Tromey  <tromey@redhat.com>
7344
7345         * system.h (USE_MAPPED_LOCATION): Poison.
7346         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7347         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7348         (make_goto_expr_edges): Likewise.
7349         (remove_bb): Likewise.
7350         (execute_warn_function_return): Likewise.
7351         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7352         location_t.
7353         * c-common.c (fname_decl): Remove old location code.
7354         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7355         location code.
7356         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7357         variant.
7358         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7359         (gen_rtx_ASM_INPUT): Likewise.
7360         (gen_rtx_ASM_INPUT_loc): Likewise.
7361         (get_rtx_asm_OPERANDS): Remove.
7362         * cfglayout.c (insn_locators_alloc): Remove old location code.
7363         (set_curr_insn_source_location): Likewise.
7364         (curr_insn_locator): Likewise.
7365         * print-tree.c (print_node): Remove old location code.
7366         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7367         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7368         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7369         location_from_locus.
7370         (construct_exit_block): Remove old location code.
7371         * emit-rtl.c (force_next_line_note): Remove old location code.
7372         * profile.c (branch_prob): Remove old location code.
7373         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7374         LOC_LINE): Remove old-location variants.
7375         * langhooks.c (lhd_print_error_function): Remove old location
7376         code.
7377         * configure, config.in: Rebuilt.
7378         * configure.ac (--enable-mapped-location): Remove.
7379         * c-decl.c (c_init_decl_processing): Remove old location code.
7380         (finish_function): Likewise.
7381         * recog.c (decode_asm_operands): Remove old location code.
7382         * c-pch.c (c_common_read_pch): Remove old location code.
7383         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7384         variants.
7385         * gimple-low.c (lower_function_body): Remove old location code.
7386         * toplev.c (unknown_location): Remove.
7387         (push_srcloc): Remove old-location variant.
7388         (process_options): Remove old location code.
7389         (lang_dependent_init): Likewise.
7390         * input.h (UNKNOWN_LOCATION): Move definition.
7391         (location_t): Undeprecate.
7392         (source_locus): Remove.
7393         (location_from_locus): Remove.
7394         (struct location_s): Remove.
7395         Remove all old-location code.
7396         (input_line, input_filename): Remove.
7397         * final.c (final_scan_insn): Remove old location code.
7398         * diagnostic.c (diagnostic_build_prefix): Remove
7399         USE_MAPPED_LOCATION test.
7400         * tree.h (gimple_stmt) <locus>: Now a location_t.
7401         (tree_exp) <locus>: Likewise.
7402         (DECL_IS_BUILTIN): Remove old-location variant.
7403         (annotate_with_file_line, annotate_with_locus): Likewise.
7404         (expr_locus, set_expr_locus): Update.
7405         * tree.c (build1_stat): Remove old location code.
7406         (last_annotated_node): Remove.
7407         (annotate_with_file_line): Remove old-location variant.
7408         (annotate_with_locus): Likewise.
7409         (expr_location): Remove old location code.
7410         (set_expr_location): Likewise.
7411         (expr_has_location): Likewise.
7412         (expr_locus): Likewise.
7413         (set_expr_locus): Likewise.
7414         (expr_filename): Don't use location_from_locus.
7415         (expr_lineno): Likewise.
7416         * rtl-error.c (location_for_asm): Remove old location code.
7417         * c-lex.c (cb_line_change): Remove old location code.
7418         (fe_file_change): Likewise.
7419         (cb_def_pragma): Likewise.
7420         (c_lex_with_flags): Likewise.
7421         * gengtype.c (do_typedef): Don't special-case location types.
7422         (define_location_structures): Remove.
7423         (main): Don't call define_location_structures.
7424         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7425         code.
7426
7427 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7428
7429         PR 26264
7430         * builtins.def (BUILT_IN_STDARG_START): Remove.
7431         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7432         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7433         * tree-inline.c (inline_forbidden_p_1): Likewise.
7434
7435 2008-02-26  Richard Guenther  <rguenther@suse.de>
7436
7437         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7438         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7439         (lookup_decl_from_uid): Declare.
7440         (remove_decl_from_map): Likewise.
7441         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7442         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7443         (decl_for_uid_map): New global hashtable mapping DECL_UID
7444         to the decl tree.
7445         (init_ttree): Allocate it.
7446         (insert_decl_to_uid_decl_map): New helper function.
7447         (make_node_stat): Insert new decls into the map.
7448         (copy_node_stat): Likewise.
7449         (lookup_decl_from_uid): New function.
7450         (remove_decl_from_map): Likewise.
7451         (print_decl_for_uid_map_statistics): New helper.
7452         (dump_tree_statistics): Call it.
7453
7454         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7455         (referenced_var_iterator): Adjust.
7456         (FOR_EACH_REFERENCED_VAR): Adjust.
7457         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7458         (num_referenced_vars): Adjust.
7459         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7460         (first_referenced_var): Remove.
7461         (end_referenced_vars_p): Likewise.
7462         (next_referenced_var): Likewise.
7463         (referenced_var_iterator_set): New helper function.
7464         * tree-dfa.c (referenced_var_lookup): Adjust.
7465         (referenced_var_check_and_insert): Likewise.
7466         (remove_referenced_var): Likewise.
7467         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7468         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7469         (verify_call_clobbering): Likewise.
7470         (verify_memory_partitions): Likewise.
7471         (init_tree_ssa): Allocate bitmap instead of hashtable for
7472         referenced_vars.
7473         (delete_tree_ssa): Adjust.
7474         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7475         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7476         (compute_tag_properties): Likewise.
7477         (set_initial_properties): Likewise.
7478         (find_partition_for): Likewise.
7479         (update_reference_counts): Likewise.
7480         (dump_may_aliases_for): Likewise.
7481         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7482         (add_call_clobber_ops): Likewise.
7483         (add_call_read_ops): Likewise.
7484         (get_asm_expr_operands): Likewise.
7485         * tree-into-ssa.c (dump_decl_set): Likewise.
7486         (update_ssa): Likewise.
7487         * tree-sra.c (scan_function): Likewise.
7488         (decide_instantiations): Likewise.
7489         (scalarize_parms): Likewise.
7490         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7491         (dsa_named_for): Likewise.
7492         * tree-ssa-structalias.c (update_alias_info): Likewise.
7493         (merge_smts_into): Likewise.
7494
7495 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7496
7497         PR 34351
7498         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7499         * c-opts.c (c_common_handle_option): Wall enables
7500         Wvolatile-register-var.
7501         * common.opt: Move Wvolatile-register-var to...
7502         * c.opt: ...here.
7503
7504 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7505
7506         * common.opt (Wlarger-than=): New.
7507         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7508         -Wlarger-than=.
7509         * opts.c (common_handle_option): Handle -Wlarger-than=.
7510         * optc-gen.awk: Likewise.
7511         * opth-gen.awk: Likewise.
7512         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7513         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7514
7515 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7516
7517         * c-common.c (match_case_to_enum_1): Add appropriate
7518         OPT_W* parameter to warning.
7519         (c_do_switch_warnings): Likewise.
7520         * c-typeck.c (warning_init): Add one more parameter following
7521         'warning' function.
7522         (push_init_level): Update call to warning_init.
7523         (pop_init_level): Likewise.
7524         (add_pending_init): Likewise.
7525         (output_init_element: Likewise.
7526
7527 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7528
7529         PR 28322
7530         * toplev.c (toplev_main): If there are warnings or error, print
7531         errors for ignored options.
7532         * opts.c (ignored_options): New static variable.
7533         (postpone_unknown_option_error): New.
7534         (print_ignored_options): New.
7535         (handle_option): Postpone errors for unknown -Wno-* options.
7536         * opts.h (print_ignored_options): Declare.
7537
7538 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7539
7540         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7541         to "ghost".
7542
7543 2008-02-25  Richard Guenther  <rguenther@suse.de>
7544
7545         Revert:
7546         2008-02-25  Richard Guenther  <rguenther@suse.de>
7547
7548         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7549         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7550         (lookup_decl_from_uid): Declare.
7551         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7552         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7553         (decl_for_uid_map): New global hashtable mapping DECL_UID
7554         to the decl tree.
7555         (init_ttree): Allocate it.
7556         (insert_decl_to_uid_decl_map): New helper function.
7557         (make_node_stat): Insert new decls into the map.
7558         (copy_node_stat): Likewise.
7559         (lookup_decl_from_uid): New function.
7560         (print_decl_for_uid_map_statistics): New helper.
7561         (dump_tree_statistics): Call it.
7562
7563         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7564         (referenced_var_iterator): Adjust.
7565         (FOR_EACH_REFERENCED_VAR): Adjust.
7566         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7567         (num_referenced_vars): Adjust.
7568         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7569         (first_referenced_var): Remove.
7570         (end_referenced_vars_p): Likewise.
7571         (next_referenced_var): Likewise.
7572         (referenced_var_iterator_set): New helper function.
7573         * tree-dfa.c (referenced_var_lookup): Adjust.
7574         (referenced_var_check_and_insert): Likewise.
7575         (remove_referenced_var): Likewise.
7576         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7577         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7578         (verify_call_clobbering): Likewise.
7579         (verify_memory_partitions): Likewise.
7580         (init_tree_ssa): Allocate bitmap instead of hashtable for
7581         referenced_vars.
7582         (delete_tree_ssa): Adjust.
7583         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7584         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7585         (compute_tag_properties): Likewise.
7586         (set_initial_properties): Likewise.
7587         (find_partition_for): Likewise.
7588         (update_reference_counts): Likewise.
7589         (dump_may_aliases_for): Likewise.
7590         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7591         (add_call_clobber_ops): Likewise.
7592         (add_call_read_ops): Likewise.
7593         (get_asm_expr_operands): Likewise.
7594         * tree-into-ssa.c (dump_decl_set): Likewise.
7595         (update_ssa): Likewise.
7596         * tree-sra.c (scan_function): Likewise.
7597         (decide_instantiations): Likewise.
7598         (scalarize_parms): Likewise.
7599         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7600         (dsa_named_for): Likewise.
7601         * tree-ssa-structalias.c (update_alias_info): Likewise.
7602         (merge_smts_into): Likewise.
7603
7604 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7605
7606         PR fortran/29549
7607         * doc/invoke.texi (-fcx-limited-range): Document new option.
7608         * toplev.c (process_options): Handle -fcx-fortran-rules.
7609         * common.opt: Add documentation for -fcx-fortran-rules.
7610
7611 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7612
7613         PR c/35162
7614         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7615         actual behaviour and C99.
7616
7617 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7618
7619         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7620         (ASM_CPU_POWER6_SPEC): Likewise.
7621         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7622         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7623         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7624
7625 2008-02-25  Richard Guenther  <rguenther@suse.de>
7626
7627         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7628         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7629         (lookup_decl_from_uid): Declare.
7630         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7631         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7632         (decl_for_uid_map): New global hashtable mapping DECL_UID
7633         to the decl tree.
7634         (init_ttree): Allocate it.
7635         (insert_decl_to_uid_decl_map): New helper function.
7636         (make_node_stat): Insert new decls into the map.
7637         (copy_node_stat): Likewise.
7638         (lookup_decl_from_uid): New function.
7639         (print_decl_for_uid_map_statistics): New helper.
7640         (dump_tree_statistics): Call it.
7641
7642         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7643         (referenced_var_iterator): Adjust.
7644         (FOR_EACH_REFERENCED_VAR): Adjust.
7645         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7646         (num_referenced_vars): Adjust.
7647         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7648         (first_referenced_var): Remove.
7649         (end_referenced_vars_p): Likewise.
7650         (next_referenced_var): Likewise.
7651         (referenced_var_iterator_set): New helper function.
7652         * tree-dfa.c (referenced_var_lookup): Adjust.
7653         (referenced_var_check_and_insert): Likewise.
7654         (remove_referenced_var): Likewise.
7655         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7656         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7657         (verify_call_clobbering): Likewise.
7658         (verify_memory_partitions): Likewise.
7659         (init_tree_ssa): Allocate bitmap instead of hashtable for
7660         referenced_vars.
7661         (delete_tree_ssa): Adjust.
7662         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7663         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7664         (compute_tag_properties): Likewise.
7665         (set_initial_properties): Likewise.
7666         (find_partition_for): Likewise.
7667         (update_reference_counts): Likewise.
7668         (dump_may_aliases_for): Likewise.
7669         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7670         (add_call_clobber_ops): Likewise.
7671         (add_call_read_ops): Likewise.
7672         (get_asm_expr_operands): Likewise.
7673         * tree-into-ssa.c (dump_decl_set): Likewise.
7674         (update_ssa): Likewise.
7675         * tree-sra.c (scan_function): Likewise.
7676         (decide_instantiations): Likewise.
7677         (scalarize_parms): Likewise.
7678         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7679         (dsa_named_for): Likewise.
7680         * tree-ssa-structalias.c (update_alias_info): Likewise.
7681         (merge_smts_into): Likewise.
7682
7683 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7684
7685         PR target/35258
7686         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7687         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7688         * alias.h (nonoverlapping_memrefs_p): Likewise.
7689
7690 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7691
7692         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7693         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7694         __emultls_get_address, __emultls_register_common,
7695         __floatundi?f, and _Unwind_GetIPInfo.
7696         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7697         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7698         (gen_regparm_prefix): Likewise.
7699         (i386_nlm_encode_section_info): Sync with
7700         config/i386/winnt.c:i386_pe_encode_section_info().
7701         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7702         i386_nlm_mangle_decl_assembler_name): New.
7703         (netware_override_options): New.
7704         * config/i386/netware.h (netware_override_options): Declare.
7705         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7706         (i386_nlm_mangle_decl_assembler_name): Declare.
7707         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7708
7709 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7710
7711         PR other/32948
7712         * c-decl.c (grokdeclarator): Remove unused local variables
7713         `typedef_type' and `type_as_written'.
7714         * bb-reorder.c
7715         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7716         unused local variable `has_hot_blocks'.
7717         (fix_crossing_conditional_branches): Remove unused local variable
7718         `prev_bb'.
7719
7720 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7721
7722         PR middle-end/19984
7723         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7724         using DEF_C99_BUILTIN.
7725         (BUILT_IN_NANF): Ditto.
7726         (BUILT_IN_NANL): Ditto.
7727
7728 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7729             Revital Eres  <eres@il.ibm.com>
7730
7731         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7732         regarding the order of two dependent insns in the same row.
7733
7734 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7735
7736         * stor-layout.c (layout_decl): Do not bump the alignment of a
7737         bit-field to more than byte alignment if it is packed.
7738
7739 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7740
7741         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7742         e300c2 and e300c3.
7743
7744 2008-02-24  Diego Novillo  <dnovillo@google.com>
7745
7746         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7747
7748         PR 33738
7749         * tree-vrp.c (vrp_evaluate_conditional): With
7750         -Wtype-limits, emit a warning when comparing against a
7751         constant outside the natural range of OP0's type.
7752         * c.opt (Wtype-limits): Move ...
7753         * common.opt (Wtype-limits): ... here.
7754
7755 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7756
7757         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7758         * config/rs6000/e300c2c3.md: New file.
7759         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7760         e300c2 and e300c3.
7761         (rs6000_override_options): Add e300c2 and e300c3 cases to
7762         processor_target_table. Do not allow usage of Altivec or Spe
7763         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7764         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7765         * config/rs6000/rs6000.h (processor_type): Add
7766         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7767         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7768         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7769         and ppce300c3. Include e300c2c3.md.
7770
7771 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7772
7773         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7774         instead of TARGET_STRICT_ALIGN.
7775
7776 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7777
7778         * explow.c (memory_address): Assert that the generated address is
7779         valid.
7780
7781 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7782
7783         PR target/25477
7784         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7785         * config/darwin-ppc-ldouble-patch.def: New file.
7786         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7787         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7788         SUBTARGET_INIT_BUILTINS if defined.
7789         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7790         New functions.
7791
7792 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7793
7794         PR rtl-opt/33512
7795         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7796         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7797
7798 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7799
7800         PR pch/35027
7801         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7802         file" warning condtional on -Winvalid-PCH.
7803
7804 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7805
7806         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7807
7808 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7809
7810         PR target/22076
7811         PR target/34256
7812         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7813         prevent reload from using MMX registers.
7814         (*mov<mode>_internal): Ditto.
7815         (*movv2sf_internal_rex64): Ditto.
7816         (*movv2sf_internal): Ditto.
7817
7818 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7819
7820         PR documentation/31569
7821         * doc/install.texi2html: Use makeinfo --no-number-sections.
7822
7823 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7824
7825         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7826         ensure that we can address an entire entity > 8 bytes.  Don't
7827         generate reg+reg addressing for such data.
7828
7829 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7830
7831         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7832         strings when optimizing for size, unless the target cares about
7833         alignment.
7834
7835 2008-02-22  Tom Tromey  <tromey@redhat.com>
7836
7837         * regclass.c (current_pass): Remove declaration.
7838
7839 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7840
7841         * config/avr/libgcc.S (__RAMPZ__): Define.
7842         (__do_copy_data): Add for devices with 128KB code memory.
7843
7844 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7845
7846         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7847         Use spe_abi.
7848         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7849
7850 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7851
7852         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7853         GENNONACR_REGS.
7854
7855 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7856
7857         PR c/19999
7858         * c-typeck.c (build_binary_op): Warn about floating point
7859         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7860
7861 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7862
7863         PR target/34526
7864         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7865         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7866         add vrsave.
7867         (rs6000_override_options): Set altivec_abi as default, not override,
7868         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7869         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7870         is used; use new member spe_abi.
7871         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7872         spe_abi and altivec_abi.
7873
7874 2008-02-22  Tomas Bily  <tbily@suse.cz>
7875
7876         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7877
7878 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7879
7880         PR bootstrap/35273
7881         * config.build (build_file_translate): Set to `CMD //c' only if
7882         it works.
7883         * Makefile.in (build_file_translate): Improve comment.
7884
7885 2008-02-21  Jan Hubicka  <jh@suse.cz>
7886
7887         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7888         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7889         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7890
7891 2008-02-21  Michael Matz  <matz@suse.de>
7892
7893         PR target/35264
7894         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7895
7896 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7897
7898         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7899         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7900         as insn constraint.
7901         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7902         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7903         SSE_VEC_FLOAT_MODE_P as insn constraint.
7904         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7905         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7906         sse4a_movntdf using MODEF mode iterator.
7907         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7908         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7909         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7910         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7911         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7912         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7913         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7914
7915 2008-02-21  Richard Guenther  <rguenther@suse.de>
7916
7917         * tree.def (PAREN_EXPR): New tree code.
7918         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7919         and PAREN_EXPR.
7920         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7921         * expr.c (expand_expr_real_1): Likewise.
7922         * tree-inline.c (estimate_num_insns_1): Likewise.
7923         * tree-complex.c (expand_complex_move): Likewise.
7924         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7925         as plain x.
7926
7927 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7928
7929         PR target/35225
7930         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7931
7932 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7933
7934         PR target/35190
7935         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7936
7937         * config/sh/sh.c (find_barrier): Don't go past
7938         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7939
7940 2008-02-20  DJ Delorie  <dj@redhat.com>
7941
7942         * config/h8300/h8300.md (insv): Force source operand to be a register.
7943
7944         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7945         as a jump, not as a plain insn.
7946
7947 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7948
7949         * doc/invoke.texi (Warning Options): Add new option
7950         -Wframe-larger-than=.
7951         (-Wframe-larger-than): Document.
7952
7953         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7954         Add declarations for new option variables.
7955
7956         * final.c (final_start_function): Check the frame size
7957         before emission and issue a Wframe-larger-than warning.
7958
7959         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7960         Add definitions for new option variables.
7961         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7962
7963         * common.opt (Wframe-larger-than=): New option.
7964
7965 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7966
7967         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7968         (<sse>_div<mode>3): Ditto.
7969         (<sse>_vmdiv<mode>3): Ditto.
7970         (<sse>_vmsqrt<mode>2): Ditto.
7971         (*smax<mode>3): Ditto.
7972         (sse5_frcz<mode>2): Ditto.
7973         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7974         as insn constraint.
7975
7976 2008-02-20  Richard Guenther  <rguenther@suse.de>
7977
7978         PR middle-end/35265
7979         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7980         be happy with INTEGRAL_TYPE_P.
7981
7982 2008-02-20  Richard Guenther  <rguenther@suse.de>
7983
7984         * fold-const.c (split_tree): Associate floatig-point expressions
7985         if flag_associative_math is set.
7986
7987 2008-02-20  Richard Guenther  <rguenther@suse.de>
7988
7989         * tree.h (fold_real_zero_addition_p): Declare.
7990         * fold-const.c (fold_real_zero_addition_p): Export.
7991         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7992         floating-point operations with zero and one.
7993
7994 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7995
7996         * doc/install.texi: Correct references to CFLAGS, replacing them
7997         with BOOT_CFLAGS.  Document flags used during bootstrap for
7998         target libraries.
7999
8000 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
8001
8002         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
8003         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
8004         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
8005         insn constraint.
8006         (smin<mode>3): Ditto from similar patterns.
8007         (smax<mode>3): Ditto.
8008         (*ieee_smin<mode>3): Ditto.
8009         (*ieee_smax<mode>3): Ditto.
8010         * config/i386/sse.md (sse): New mode attribute.
8011         (mov<mode>): Macroize expander from movv4sf and movv2df using
8012         SSEMODEF2P mode iterator.
8013         (<sse>_movnt<mode>): Ditto from similar patterns. Use
8014         SSE_VEC_FLOAT_MODE_P as insn constraint.
8015         (storent<mode>): Ditto.
8016         (storent<mode>): Macroize expander from storentsf and storentdf using
8017         MODEF mode iterator.
8018         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
8019         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
8020         (abs<mode>2): Ditto from similar patterns.
8021         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
8022         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
8023         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
8024         (<sse>_vmsqrt<mode>2): Ditto.
8025         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
8026         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
8027         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
8028         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
8029         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
8030         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
8031         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
8032         insn constraint.
8033         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
8034         iterator and SSE_FLOAT_MODE_P as insn constraint.
8035         (<sse>_ucomi): Ditto from similar patterns.
8036         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
8037         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
8038         SSE_VEC_FLOAT_MODE_P as insn constraint.
8039         (vcond<mode>): Ditto from similar patterns.
8040         (and<mode>3, *and<mode>3): Ditto.
8041         (<sse>_nand<mode>3): Ditto.
8042         (ior<mode>3, *ior<mode>3): Ditto.
8043         (xor<mode>3, *xor<mode>3): Ditto.
8044         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
8045         iterator and SSE_FLOAT_MODE_P as insn constraint.
8046         (*nand<mode>3): Ditto from similar patterns.
8047         (*ior<mode>3): Ditto.
8048         (*xor<mode>3): Ditto.
8049
8050 2008-02-20  Ira Rosen  <irar@il.ibm.com>
8051
8052         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
8053         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
8054         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
8055
8056 2008-02-19  Jan Hubicka  <jh@suse.cz>
8057
8058         * predict.c (tree_bb_level_predictions): Remove variable next
8059         mistakely introduced by previous commit.
8060
8061 2008-02-19  Jan Hubicka  <jh@suse.cz>
8062
8063         * predict.c (predict_paths_leading_to): Rewrite.
8064         (predict_paths_for_bb): New.
8065         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
8066
8067 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8068
8069         PR bootstrap/35218
8070         * Makefile.in (build_file_translate): New.
8071         (gcc-vers.texi): Use it for translating $(abs_srcdir).
8072         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
8073         * configure.ac (build_file_translate): Substitute it.
8074         * configure: Regenerate.
8075
8076 2008-02-19  Jan Hubicka  <jh@suse.cz>
8077
8078         PR rtl-optimization/34408
8079         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
8080         invalid sharing.
8081
8082 2008-02-19  Jan Hubicka  <jh@suse.cz>
8083
8084         PR middle-end/28779
8085         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
8086         call_expr.
8087
8088 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
8089
8090         PR Ada/35186
8091         * config/i386/i386-modes.def: Revert the last DI alignment
8092         change until Ada people can look into it.
8093
8094 2008-02-19  Nick Clifton  <nickc@redhat.com>
8095
8096         * opts.c (print_specific_help): Fix typo in --help text.
8097
8098 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
8099
8100         PR target/35239
8101         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
8102         32-bit inline asm without asm alternatives for host GCC < 3.0.
8103
8104 2008-02-19  Richard Guenther  <rguenther@suse.de>
8105
8106         PR tree-optimization/34989
8107         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
8108         Allow propagation to INDIRECT_REF if we can simplify only.
8109
8110 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8111
8112         * c-common.c (warn_for_collisions_1): Use appropriate option when
8113         warning.
8114
8115 2008-02-19  Nick Clifton  <nickc@redhat.com>
8116
8117         PR other/31349
8118         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8119         (handle_options): Fix indentation.
8120         (print_filtered_help): If no language-specific options were
8121         displayed tell the user how to list all the options supported by
8122         the language's front-end.
8123         (print_specific_help): Fix indentation and remove duplicate line.
8124         (common_handle_option): Handle the -v option.
8125         For --help enable the display of undocumented options if the -v
8126         switch has been included on the command line.
8127         For --help= check for overlaps in the arguments between the option
8128         classes and the language names and issue a warning when they
8129         cannot be disambiguated.
8130         * c.opt (v): Pass on to the common option handler.
8131
8132 2008-02-19  Revital Eres  <eres@il.ibm.com>
8133
8134         * modulo-sched.c (sms_schedule): Change dump message when
8135         create_ddg function fails.
8136         (try_scheduling_node_in_cycle): Rename row to cycle.
8137         (print_partial_schedule): Rename CYCLE to ROW.
8138
8139 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8140             Zdenek Dvorak  <ook@ucw.cz>
8141
8142         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8143
8144 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8145
8146         PR target/33555
8147         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8148         (*x86_movdicc_0_m1_se): Ditto.
8149
8150 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8151
8152         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8153         (CMPtype): Define as __gcc_CMPtype.
8154         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8155         (CMPtype): Define as __gcc_CMPtype.
8156
8157 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8158
8159         Support valgrind 3.3 for --enable-checking=valgrind.
8160         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8161         here.
8162         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8163         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8164         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8165         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8166         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8167         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8168         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8169         respectively.
8170         * ggc-zone.c: Similar.
8171         * ggc-page.c: Similar.
8172
8173 2008-02-19  Paul Brook  <paul@codesourcery.com>
8174
8175         PR target/35071
8176         * config/arm/ieee754-df.S: Fix do_it typo.
8177         * config/arm/ieee754-sf.S: Fix do_it typo.
8178
8179 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8180
8181         PR target/35189
8182         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8183         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8184         (OPTION_MASK_ISA_SSE_SET): Likewise.
8185         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8186         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8187         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8188         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8189         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8190         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8191         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8192         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8193         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8194         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8195         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8196         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8197         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8198         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8199         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8200         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8201         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8202         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8203         (OPTION_MASK_ISA_SSE4): Removed.
8204         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8205         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8206         (override_options): Don't turn on implied SSE/MMX bits in
8207         ix86_isa_flags.
8208
8209 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8210
8211         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8212         32bit host.
8213
8214 2008-02-18  Joey Ye  <joey.ye@intel.com>
8215
8216         PR middle-end/34921
8217         * tree-nested.c (insert_field_into_struct): Set type alignment
8218         to field alignment if the former is less than the latter.
8219
8220 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8221
8222         * BASE-VER: Set to 4.4.0.
8223
8224 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8225
8226         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8227         * doc/cfg.texi: Likewise.
8228         * doc/extend.texi: Likewise.
8229         * doc/gty.texi: Likewise.
8230         * doc/invoke.texi: Likewise.
8231         * doc/loop.texi: Likewise.
8232         * doc/md.texi: Likewise.
8233         * doc/passes.texi: Likewise.
8234         * doc/rtl.texi: Likewise.
8235         * doc/sourcebuild.texi: Likewise.
8236         * doc/tm.texi: Likewise.
8237         * doc/tree-ssa.texi: Likewise.
8238
8239 2008-02-17  Richard Guenther  <rguenther@suse.de>
8240
8241         PR middle-end/35227
8242         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8243         without default definition.
8244
8245 2008-02-17  Richard Guenther  <rguenther@suse.de>
8246
8247         PR tree-optimization/35231
8248         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8249         if A | B != 1.
8250
8251 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8252
8253         Revert:
8254         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8255         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8256         libgcc_cmp_return mode.
8257
8258 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8259
8260         PR c/28368
8261         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8262
8263 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8264
8265         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8266         multilibs.
8267
8268 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8269
8270         * doc/c-tree.texi: Use `@.' where appropriate.
8271         * doc/extend.texi: Likewise.
8272         * doc/install.texi: Likewise.
8273         * doc/invoke.texi: Likewise.
8274         * doc/loop.texi: Likewise.
8275         * doc/makefile.texi: Likewise.
8276         * doc/md.texi: Likewise.
8277         * doc/passes.texi: Likewise.
8278         * doc/standards.texi: Likewise.
8279         * doc/tm.texi: Likewise.
8280
8281 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8282
8283         PR middle-end/35196
8284         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8285         in entry_bb.
8286         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8287         rather than in entry_bb.
8288
8289 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8290
8291         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8292         libgcc_cmp_return mode.
8293
8294 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8295
8296         PR middle-end/35130
8297         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8298         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8299
8300 2008-02-15  Richard Guenther  <rguenther@suse.de>
8301             Zdenek Dvorak  <ook@ucw.cz>
8302
8303         PR tree-optimization/35164
8304         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8305         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8306         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8307         Only propagate addresses which do not have abnormal SSA_NAMEs
8308         in their operands.
8309
8310 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8311
8312         PR target/35088
8313         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8314
8315 2008-02-15  Jan Hubicka  <jh@suse.cz>
8316
8317         PR middle-end/35149
8318         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8319
8320 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8321
8322         PR middle-end/34621
8323         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8324         when calculating alignment_pad.
8325
8326 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8327
8328         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8329         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8330         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8331         and STACK_BOUNDARY define.
8332
8333 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8334
8335         PR preprocessor/35061
8336         * c-pragma.c (handle_pragma_pop_macro): Check that
8337         pushed_macro_table has been allocated.
8338
8339 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8340
8341         PR middle-end/35136
8342         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8343         (force_gimple_operand): Likewise.
8344         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8345         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8346         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8347         (find_interesting_uses_address): Check addressability and alignment
8348         of the base expression only after substituting bases of IVs into it.
8349
8350 2008-02-14  Michael Matz  <matz@suse.de>
8351
8352         PR target/34930
8353         * function.c (instantiate_virtual_regs_in_insn): Reload address
8354         before falling back to reloading the whole operand.
8355
8356 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8357
8358         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8359         before the first section switch note.
8360
8361 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8362
8363         * doc/bugreport.texi: Update copyright years.
8364         * doc/c-tree.texi: Likewise.
8365         * doc/cfg.texi: Likewise.
8366         * doc/cpp.texi: Likewise.
8367         * doc/cppinternals.texi: Likewise.
8368         * doc/fragments.texi: Likewise.
8369         * doc/frontends.texi: Likewise.
8370         * doc/gcc.texi: Likewise.
8371         * doc/gty.texi: Likewise.
8372         * doc/hostconfig.texi: Likewise.
8373         * doc/implement-c.texi: Likewise.
8374         * doc/libgcc.texi: Likewise.
8375         * doc/loop.texi: Likewise.
8376         * doc/makefile.texi: Likewise.
8377         * doc/options.texi: Likewise.
8378         * doc/passes.texi: Likewise.
8379         * doc/rtl.texi: Likewise.
8380         * doc/sourcebuild.texi: Likewise.
8381         * doc/standards.texi: Likewise.
8382         * doc/tree-ssa.texi: Likewise.
8383         * doc/trouble.texi: Likewise.
8384
8385         * doc/extend.texi: Use @: or add comma where appropriate.
8386         * doc/invoke.texi: Likewise.
8387         * doc/tm.texi: Likewise.
8388
8389 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8390
8391         PR target/34393
8392         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8393         to a reg.
8394
8395 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8396
8397         * doc/md.texi (clz, ctz): Add reference.
8398         * doc/rtl.texi (clz, ctz): Likewise.
8399
8400 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8401
8402         PR other/35148
8403         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8404         srcdir.
8405
8406 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8407
8408         * config/s390/s390.c (struct constant_pool): New field
8409         emit_pool_after added.
8410         (s390_mainpool_start): Set the emit_pool_after flag according
8411         to the section switch notes.
8412         (s390_mainpool_finish): Consider emit_pool_after when emitting
8413         the literal pool at the end of the function.
8414         (s390_chunkify_start): Force literal pool splits at section
8415         switch notes.
8416
8417 2008-02-13  Michael Matz  <matz@suse.de>
8418
8419         PR debug/35065
8420         * var-tracking.c (clobber_variable_part): Correctly traverse the
8421         list.
8422
8423 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8424
8425         PR 29673
8426         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8427         Add -fdump-ipa-inline.
8428         * tree-dump.c (dump_files): Remove tree-inlined dump.
8429         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8430
8431 2008-02-12  Richard Guenther  <rguenther@suse.de>
8432
8433         PR tree-optimization/35171
8434         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8435         default defs.
8436
8437 2008-02-12  Richard Guenther  <rguenther@suse.de>
8438
8439         PR middle-end/35163
8440         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8441         value-preserving mode.  Disallow final truncation.
8442
8443 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8444
8445         PR middle-end/35136
8446         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8447         code from here to...
8448         (force_gimple_operand): ...here.
8449
8450 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8451
8452         PR c++/35144
8453         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8454         non-compatible pointers.
8455         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8456         different FIELD_DECLs, try harder by comparing field offsets, sizes
8457         and types.
8458
8459         PR inline-asm/35160
8460         * function.c (match_asm_constraints_1): Don't replace the same input
8461         multiple times.
8462
8463 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8464
8465         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8466         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8467         (expand_epilogue): Restore RAMPZ register.
8468         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8469
8470 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8471
8472         * config/i386/cygwin.asm: (__alloca): Correct calling
8473         convention and alignment.
8474         (__chkstk): Force 8 byte stack alignment.
8475
8476 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8477             Richard Guenther  <rguenther@suse.de>
8478
8479         PR tree-optimization/33992
8480         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8481         the zero we compare against.
8482
8483 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8484
8485         PR libfortran/35063
8486         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8487         to CloseHandle after unlocking to prevent accumulation of handle
8488         count.
8489
8490 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8491
8492         PR middle_end/34150
8493         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8494         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8495         and update LABEL_NUSES during and after reload.
8496
8497 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8498
8499         PR middle-end/34627
8500         * combine.c (simplify_if_then_else): Make sure the comparison is
8501         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8502
8503 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8504
8505         PR bootstrap/35051
8506         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8507         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8508         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8509         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8510         * tree.h (get_type_static_bounds): Likewise.
8511
8512 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8513
8514         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8515         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8516         Make -Wfoo language annotations match what the compiler outputs.
8517
8518 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8519
8520         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
8521         intrinsics spu_convts, spu_convtu, spu_convtf.
8522
8523 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8524
8525         * doc/extend.texi (Function Attributes) <noinline>: Mention
8526         asm ("") as method to keep calls.
8527
8528 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8529
8530         PR other/32754
8531         * doc/options.texi (Options): Replace references to opts.sh with
8532         optc-gen.awk.
8533         * opts-common.c: Likewise.
8534         * optc-gen.awk: Likewise.
8535
8536 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8537
8538         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8539
8540 2008-02-07  Richard Henderson  <rth@redhat.com>
8541
8542         PR rtl-opt/33410
8543         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8544         EXPR_LIST for the REG_EQUAL instead of a comparison with a
8545         funny mode.
8546
8547 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8548
8549         PR tree-optimization/35085
8550         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8551         for operand entry oe2 in addition to operand entry oe3 in order to
8552         expose more opportunities for vectorizer sum reduction.
8553
8554 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8555
8556         PR other/35107
8557         * Makefile.in (LIBS): Remove $(GMPLIBS).
8558         (cc1-dummy, cc1): Add $(GMPLIBS).
8559
8560 2008-02-06  Jan Hubicka  <jh@suse.cz>
8561
8562         PR target/23322
8563         * i386.md (moddf_integer): Do not produce partial memory stalls for
8564         targets where it hurts.
8565
8566 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8567
8568         PR target/35083
8569         * optabs.c (expand_float): Do not check for decimal modes when
8570         expanding unsigned integer through signed conversion.
8571
8572 2008-02-06  Nick Clifton  <nickc@redhat.com>
8573
8574         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8575         inside the clobber with a match_operand and duplicated operand
8576         number in the constraint.
8577         (ineqbranchsi): Delete redundant comment.
8578
8579 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8580
8581         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
8582         builtin_define ("__USE_INIT_FINI__").
8583         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8584         -msx multilibs.
8585         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8586
8587 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8588
8589         PR documentation/30330
8590         * doc/invoke.texi (C++ Dialect Options)
8591         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8592         For each warning option -Wfoo that allows -Wno-foo, ensure both
8593         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8594         entry of -Wswitch-default, index -Wnormalized= including the
8595         `=', and -Wlarger-than-@var{len} including @var{len}.
8596
8597 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8598
8599         * config/i386/i386.md (floatunssisf2): Use
8600         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8601         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8602         Macroize expander using MODEF mode iterator.
8603
8604 2008-02-05  Diego Novillo  <dnovillo@google.com>
8605
8606         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8607
8608         PR 33738
8609         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8610
8611 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8612
8613         PR other/35070
8614         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8615
8616 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8617
8618         PR target/35084
8619         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8620         to indicate if a message should be generated.
8621         (init_cumulative_args): Updated.
8622         (function_value_32): Likewise.
8623
8624 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8625
8626         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8627
8628 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8629
8630         PR target/35083
8631         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8632         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8633
8634 2008-02-04  Diego Novillo  <dnovillo@google.com>
8635
8636         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8637
8638         PR 33738
8639         * tree-vrp.c (vrp_evaluate_conditional): With
8640         -Wtype-limits, emit a warning when comparing against a
8641         constant outside the natural range of OP0's type.
8642
8643 2008-02-04  Richard Guenther  <rguenther@suse.de>
8644
8645         PR middle-end/33631
8646         * expr.c (count_type_elements): Give for unions instead of
8647         guessing.
8648
8649 2008-02-04  Richard Guenther  <rguenther@suse.de>
8650
8651         PR middle-end/35043
8652         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8653         to TYPE_DOMAINs base type instead of using bitsizetype here.
8654
8655 2008-02-03  Jason Merrill  <jason@redhat.com>
8656
8657         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8658
8659 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8660
8661         PR other/29972
8662         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8663         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8664         (RS/6000 and PowerPC Options): Fix typos and markup.
8665         * doc/passes.texi (Tree-SSA passes): Likewise.
8666
8667 2008-02-02  Michael Matz  <matz@suse.de>
8668
8669         PR target/35045
8670         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8671         from record_last_reg_set_info.
8672         (record_last_reg_set_info): Take an RTX argument, iterate over all
8673         constituent hardregs.
8674         (record_last_set_info, record_opr_changes): Change calls to
8675         new signature or to record_last_reg_set_info_regno.
8676
8677 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8678
8679         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8680
8681 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8682
8683         PR rtl-optimization/34773
8684         * reg-notes.def (EQUAL): Mention significance of combination of
8685         REG_EQUAL and REG_RETVAL.
8686         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8687         insn that has a REG_RETVAL.
8688
8689 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8690
8691         PR bootstrap/33781
8692         * configure.ac (--enable-fixed-point): Disable unless explicitly
8693         requested on IRIX.
8694         * configure: Regenerate.
8695
8696 2008-02-01  Richard Guenther  <rguenther@suse.de>
8697
8698         PR other/35042
8699         * invoke.texi (-finline-limit): Remove no longer true parts
8700         of the documentation.  Note that there is no default value.
8701
8702 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8703             Mark Mitchell  <mark@codesourcery.com>
8704             Ben Elliston  <bje@au.ibm.com>
8705
8706         PR c/29326
8707         * doc/extend.texi (Other Builtins): Document.
8708
8709 2008-01-31  Tom Browder <tom.browder@gmail.com>
8710
8711         * doc/c-tree.texi (Types): Fix grammar.
8712         (Expression trees): Ditto.
8713         * doc/passes.texi (Tree-SSA passes): Ditto.
8714
8715         * doc/configterms.texi (Configure Terms): Fix typo.
8716         * doc/cpp.texi (Common Predefined Macros): Ditto.
8717         * doc/md.texi (Machine Constraints): Ditto.
8718
8719         * doc/makefile.texi (Makefile): Add comma.
8720
8721 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8722             Gerald Pfeifer  <gerald@pfeifer.com>
8723
8724         * doc/sourcebuild.texi (Front End): Remove references to CVS
8725         and CVSROOT/modules.
8726         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8727         (Back End): Remove reference to CVS.
8728
8729 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8730
8731         PR target/34900
8732         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8733         comment from...
8734         (mips16_gp_pseudo_reg): ...here.
8735         * config/mips/mips.md (load_const_gp): Replace with...
8736         (load_const_gp_<mode>): ...this :P-based insn.
8737
8738 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8739
8740         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8741         options. Minor fixes.
8742         (-std): Move reference to standards closer to where language
8743         standards are first mentioned.
8744
8745 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8746
8747         PR rtl-optimization/34995
8748         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8749         parameter and return a bool.  If the rtx parameter is nonnull,
8750         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8751         (find_reloads): Update call accordingly.  Pass the new operand
8752         if it needed no address reloads, otherwise pass null.
8753
8754 2008-01-30  Richard Henderson  <rth@redhat.com>
8755
8756         PR c/34993
8757         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8758         for unbounded arrays.
8759
8760 2008-01-30  Silvius Rus  <rus@google.com>
8761
8762         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8763
8764 2008-01-30  Jan Hubicka  <jh@suse.cz>
8765
8766         PR target/34982
8767         * i386.c (init_cumulative_args): Use real function declaration when
8768         calling locally.
8769
8770 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8771
8772         PR rtl-optimization/34998
8773         * global.c (build_insn_chain): Treat non-subreg_lowpart
8774         SUBREGs of pseudos as clobbering all the words covered by the
8775         SUBREG, not just all the bytes.
8776         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8777         original df_ref rather than an extract parameter.
8778         (global_conflicts): Update call accordingly.
8779
8780 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8781
8782         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8783         the overflow check to make it easier to read.
8784         (__fixtfdi): Change the type of the ll member in union
8785         long_double to UDItype_x.
8786
8787 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8788
8789         PR middle-end/34969
8790         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8791         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8792         * tree-inline.c (fold_marked_statements): Call
8793         cgraph_update_edges_for_call_stmt if folding a call statement.
8794         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8795         debug_generic_stmt calls, reset it back afterwards.
8796
8797         PR c/35017
8798         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8799         static decls.
8800         * c-typeck.c (build_external_ref): Don't pedwarn about
8801         static vars in current function's scope.
8802
8803 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8804
8805         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8806
8807 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8808
8809         PR c/35002
8810         * ipa-struct-reorg.c: Fix spelling.
8811         * params.def: Ditto.
8812
8813 2008-01-29  Richard Guenther  <rguenther@suse.de>
8814
8815         PR middle-end/35006
8816         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8817         field.
8818         * tree-inline.c (remap_type): Increment remapping_type_depth
8819         around remapping types.
8820         (copy_body_r): Only add referenced variables if they are referenced
8821         from code, not types.
8822
8823 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8824
8825         PR c++/34055
8826         PR c++/34103
8827         PR c++/34219
8828         PR c++/34606
8829         PR c++/34753
8830         PR c++/34754
8831         PR c++/34755
8832         PR c++/34919
8833         PR c++/34961
8834         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8835         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8836
8837 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8838
8839         PR target/34412
8840         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
8841         pointer for tiny stack.
8842
8843 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8844
8845         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8846
8847 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8848
8849         * config/vx-common.h: Fix typo in comment.
8850
8851 2008-01-28  Ian Lance Taylor  <iant@google.com>
8852
8853         PR c++/34862
8854         PR c++/33407
8855         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8856         coalesce pointers if they have different DECL_NO_TBAA_P values.
8857         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8858         between variables with different DECL_NO_TBAA_P values.
8859
8860 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8861
8862         PR 31535
8863         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8864         are not legitimate small data references on SPE targets.
8865
8866 2008-01-28  David Daney  <ddaney@avtrex.com>
8867
8868         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8869
8870 2008-01-28  David Daney  <ddaney@avtrex.com>
8871
8872         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8873
8874 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8875
8876         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8877         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8878         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8879         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8880         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8881         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8882         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8883         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8884
8885 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8886
8887         * basic-block.h (condjump_equiv_p): Fix comment.
8888
8889 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8890
8891         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8892         print_generic_stmt_indented): Fix comment.
8893
8894 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8895
8896         * configure.ac (__stack_chk_fail): Add detecion for availability
8897         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8898         * configure: Regenerate.
8899
8900 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8901
8902         PR middle-end/34688
8903         * final.c (output_addr_const): Handle TRUNCATE.
8904
8905 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8906
8907         PR target/34711
8908         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8909         (zero_cost, infinite_cost): New constants.
8910         (struct cost_pair): Change type of cost to comp_cost.
8911         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8912         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8913         New functions.
8914         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8915         split_address_cost, ptr_difference_cost, difference_cost,
8916         get_computation_cost_at, get_computation_cost,
8917         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8918         determine_use_iv_cost_condition, determine_use_iv_costs,
8919         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8920         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8921         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8922         Change type of cost to comp_cost.
8923         (determine_iv_cost): Increase cost of non-original ivs, instead
8924         of decreasing the cost of original ones.
8925         (get_address_cost): Indicate the complexity of the addressing mode
8926         in comp_cost.
8927         (try_add_cand_for): Prefer using ivs not specific to some object.
8928         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8929
8930 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8931             Janis Johnson  <janis187@us.ibm.com>
8932
8933         PR target/34814
8934         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8935         (TARGET_INSTANTIATE_DECLS): Likewise.
8936         * target.h (expand_to_rtl_hook): New target hook.
8937         (instantiate_decls): Likewise.
8938         * function.c (instantiate_decl): Make non-static.  Rename to...
8939         (instantiate_decl_rtl): ... this.
8940         (instantiate_expr): Use instantiate_decl_rtl.
8941         (instantiate_decls_1): Likewise.
8942         (instantiate_decls): Likewise.
8943         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8944         * function.h (instantiate_decl_rtl): Add prototype.
8945         * cfgexpand.c (target.h): New include.
8946         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8947         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8948         (TARGET_INSTANTIATE_DECLS): Likewise.
8949         (TARGET_INITIALIZER): New target hooks added.
8950         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8951         New prototype.
8952         * config/rs6000/rs6000.c (tree-flow.h): New include.
8953         (machine_function): Add sdmode_stack_slot field.
8954         (rs6000_alloc_sdmode_stack_slot): New function.
8955         (rs6000_instantiate_decls): Likewise.
8956         (rs6000_secondary_memory_needed_rtx): Likewise.
8957         (rs6000_check_sdmode): Likewise.
8958         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8959         (TARGET_INSTANTIATE_DECLS): Likewise.
8960         (rs6000_hard_regno_mode_ok): Allow SDmode.
8961         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8962         (rs6000_emit_move): Handle SDmode.
8963         (function_arg_advance): Likewise.
8964         (function_arg): Likewise.
8965         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8966         SDmode var args for 32-bit compiles.
8967         (rs6000_secondary_reload_class): Handle SDmode.
8968         (rs6000_output_function_epilogue): Likewise.
8969         (rs6000_function_value): Simplify if statement.
8970         (rs6000_libcall_value): Likewise.
8971         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8972         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8973         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8974         (movsd_hardfloat): New define_insn.
8975         (movsd_softfloat): Likewise.
8976         (movsd_store): Likewise.
8977         (movsd_load): Likewise.
8978         (extendsddd2): Likewise.
8979         (extendsdtd2): Likewise.
8980         (truncddsd2): Likewise.
8981         (movdd_hardfloat64): Fixup comment.
8982         (UNSPEC_MOVSD_LOAD): New constant.
8983         (UNSPEC_MOVSD_STORE): Likewise.
8984
8985 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8986
8987         PR c++/34965
8988         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8989         TRUTH_XOR_EXPR.
8990         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8991         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8992         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8993         and TRUTH_XOR_EXPR.
8994
8995 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8996
8997         PR target/34794
8998         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8999         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
9000         __LONGDOUBLE128 too.
9001         * config/rs6000/aix61.h: New file.
9002
9003 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9004
9005         PR rtl-optimization/34959
9006         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
9007         popcount and parity rtxes the same mode as their operand.
9008         Truncate or extend the result to the return value's mode
9009         if necessary.
9010
9011 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
9012
9013         PR target/34981
9014         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
9015         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
9016         to GOT_VERSION_REGNUM.
9017         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
9018         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
9019         * config/mips/mips.c (mips_emit_call_insn): New function.
9020         (mips_call_tls_get_addr): Call mips_expand_call directly.
9021         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
9022         emit_call_insn.
9023         (mips16_build_call_stub): Likewise.  Return the call insn or null.
9024         (mips_expand_call): Update the call to mips16_build_call_stub
9025         accordingly and a remove redundant condition.  Assert that MIPS16
9026         stubs do not use lazy binding.  Use mips_emit_call_insn and return
9027         the call insn.
9028         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
9029         TARGET_USE_GOT.
9030         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
9031         (mips_avoid_hazard): Remove hazard_set handling.
9032         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
9033         (UNSPEC_RESTORE_GP): ...this.
9034         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
9035         (FAKE_CALL_REGNO): Rename to...
9036         (GOT_VERSION_REGNUM): ...this.
9037         (type): Add "ghost" value.  Add an associated insn reservation.
9038         (hazard_set): Remove.
9039         (exception_receiver): Rename to...
9040         (restore_gp): ...this and update the unspec identifier accordingly.
9041         (exception_receiver, nonlocal_got_receiver): New expanders.
9042         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
9043         FAKE_CALL_REGNO.  Remove hazard_set attribute.
9044         (set_got_version, update_got_version): New patterns.
9045
9046 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
9047
9048         PR target/34970
9049         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
9050
9051 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9052
9053         PR other/31955
9054         * doc/install.texi2html: Generate gcc-vers.texi.
9055
9056 2008-01-25  DJ Delorie  <dj@redhat.com>
9057
9058         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
9059
9060 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
9061
9062         * config/c4x: Remove directory.
9063         * config.gcc (crx-*, mt-*): Mark obsolete.
9064         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
9065         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
9066         sh-*-rtemscoff*): Remove cases.
9067         * defaults.h (C4X_FLOAT_FORMAT): Remove.
9068         * real.c (encode_c4x_single, decode_c4x_single,
9069         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
9070         c4x_extended_format): Remove.
9071         * real.h (c4x_single_format, c4x_extended_format): Remove.
9072         * doc/extend.texi (interrupt, naked): Remove mention of attributes
9073         on C4x.
9074         (Pragmas): Remove comment about c4x pragmas.
9075         * doc/install.texi (c4x): Remove target-specific instructions.
9076         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
9077         * doc/md.texi (Machine Constraints): Remove C4x documentation.
9078         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
9079         refer to C4x source files as examples.
9080         (C4X_FLOAT_FORMAT): Remove documentation.
9081
9082 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
9083
9084         * config/bfin/bfin.c (override_options): Reorder tests so that
9085         flag_pic gets enabled for -msep-data.
9086
9087 2008-01-25  Richard Guenther  <rguenther@suse.de>
9088
9089         PR middle-end/32244
9090         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
9091         to its bitfield precision if required.
9092
9093 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9094
9095         PR middle-end/33880
9096         * tree-nested.c (walk_omp_for): New function.
9097         (convert_nonlocal_reference, convert_local_reference): Call
9098         walk_omp_for on OMP_FOR.
9099         (convert_call_expr): Call walk_body on OMP_FOR's
9100         OMP_FOR_PRE_INIT_BODY.
9101
9102 2008-01-25  Richard Guenther  <rguenther@suse.de>
9103
9104         PR tree-optimization/34966
9105         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
9106         default defs and PHI_NODEs we have to insert after the
9107         defining statement.
9108
9109 2008-01-24  Nick Clifton  <nickc@redhat.com>
9110
9111         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
9112         Provide a default definition.
9113         (LIBGCC2_UNITS_PER_WORD): Likewise.
9114
9115         * config/stormy16/stormy16.c: Include df.h for the prototype
9116         for df_regs_ever_live_p.
9117         (xstormy16_expand_builtin_va_start): Convert the stack offset
9118         into a component_ref and then use POINTER_PLUS_EXPR to add it
9119         to the incoming_virtual_args_rtx.
9120         (xstormy16_gimplify_va_arg_expr): Rename to
9121         xstormy16_gimplify_va_arg_expr.
9122         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9123         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9124         xstormy16_gimplify_va_arg_expr.
9125         Fix up some formatting issues.
9126
9127         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9128         Move to predicates.md.
9129         (xs_hi_general_operand): Likewise.
9130         (xs_hi_nonmemory_operand): Likewise.
9131         * config/stormy16/predicates.md:
9132         (xstormy16_carry_plus_operand): New predicate.
9133         (xs_hi_general_operand): New predicate.
9134         (xs_hi_nonmemory_operand): New predicate.
9135         * config/stormy16/stormy16-protos.h:
9136         (xstormy16_carry_plus_operand): Delete prototype.
9137         (xs_hi_general_operand): Likewise.
9138         (xs_hi_nonmemory_operand): Likewise.
9139
9140         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9141         modifiers as they are no longer needed and they can trigger
9142         reload spill failures.
9143
9144         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9145         with a match_operand in order to help reload.
9146
9147         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9148         constraint with 'e' for the 8th alternative as this version of
9149         the mov.w instruction only accepts the lower 8 registers.
9150
9151 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9152
9153         PR target/34856
9154         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9155         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9156         vector elements.
9157
9158 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9159
9160         PR middle-end/33333
9161         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9162
9163 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9164
9165         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9166         New functions.
9167         (remove_structure): Update allocations list before removing structure.
9168
9169 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9170
9171         * ipa-struct-reorg.c (is_safe_cond_expr,
9172         create_new_stmts_for_cond_expr): Use integer_zerop function,
9173         that recognize not only zero-pointer, but zero-integer too.
9174
9175 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9176
9177         PR other/22232
9178         * fixproto: Escape "." in sed expression that strips leading "./".
9179
9180 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9181
9182         PR driver/34904
9183         * gcc.c (SWITCH_OK): Removed.
9184         (SWITCH_LIVE): Changed to bit.
9185         (SWITCH_FALSE): Likewise.
9186         (SWITCH_IGNORE): Likewise.
9187         (switchstr): Change live_cond to unsigned int.
9188         (process_command): Replace SWITCH_OK with 0.
9189         (do_self_spec): Likewise.
9190         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9191         (give_switch): Likewise.
9192         (used_arg): Likewise.
9193         (do_spec_1): Set the SWITCH_IGNORE bit.
9194         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9195         bits.  Set the SWITCH_LIVE bit.
9196
9197 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9198
9199         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9200
9201 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9202
9203         PR tree-optimization/34472
9204         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9205         parameter to a "bool *" and set *DATA to false if there is
9206         an unsafe access.  Do not delete the structure here.
9207         (check_cond_exprs): Delete it here instead.
9208         (check_cond_exprs, exclude_cold_structs): Do not increase
9209         I when removing a structure.
9210
9211 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9212
9213         PR target/34856
9214         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9215         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9216
9217 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9218
9219         PR middle-end/34934
9220         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9221         a fixed vector for stack.
9222
9223 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9224
9225         PR c++/25701
9226         * doc/gcc.texi (Software development): Add a direntry for g++.
9227
9228 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9229
9230         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9231         stale and straggling -fforce-addr comments above.
9232
9233         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9234         define.
9235         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9236         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9237
9238 2008-01-23  Michael Matz  <matz@suse.de>
9239
9240         PR debug/34895
9241         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9242         gen_type_die.
9243
9244 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9245
9246         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9247         malloc result type.
9248
9249 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9250
9251         * config/avr/avr.c (avr_current_arch): New variable.
9252         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9253         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9254         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9255         (avr_override_options): Init 'avr_current_arch'.
9256         (base_arch_s): Move from here...
9257         * config/avr/avr.h (base_arch_s): ... here. Add new members
9258         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
9259         'mega' to 'have_jmp_call'.
9260         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
9261         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9262         macros.
9263         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
9264         architectures.
9265         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9266         MULTILIB_MATCHES): (Ditto.).
9267
9268 2008-01-23  Richard Guenther  <rguenther@suse.de>
9269
9270         PR middle-end/31529
9271         * cgraphunit.c (cgraph_reset_node): Always mark the node
9272         not reachable if it is not queued already.
9273
9274 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9275
9276         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9277         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9278         (cputype_selected): New static variable.
9279         (bfin_handle_option): Set it if -mcpu is used.
9280         (override_option): Select default set of workarounds if no cpu type
9281         selected on the command line.
9282         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9283
9284         From  Michael Frysinger  <michael.frysinger@analog.com>
9285         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9286         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9287
9288         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9289         for bf547, bf523, bf524, and bf526.
9290         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9291         bf526.
9292         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9293         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9294         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9295         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9296         * doc/invoke.texi (Blackfin Options): Document that
9297         -mcpu now accept bf547, bf523, bf524, and bf526.
9298
9299 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9300
9301         PR rtl-optimization/34628
9302         * combine.c (try_combine): Stop and undo after the first combination
9303         if an autoincrement side-effect on the first insn has effectively
9304         been lost.
9305
9306 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9307
9308         PR target/34529
9309         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9310         Offset addresses are not valid for Altivec or paired float modes.
9311
9312 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9313
9314         PR c++/34607
9315         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9316         if DECL_INITIAL (decl) is error_mark_node.
9317
9318         PR c++/34914
9319         * c-common.c (handle_vector_size_attribute): Only allow
9320         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9321         the same way as pointer, array etc. types.
9322         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9323
9324         PR c++/34917
9325         * tree.c (build_type_attribute_qual_variant): Call
9326         build_qualified_type if attributes are equal, but quals are not.
9327
9328 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9329
9330         PR 32102
9331         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9332         * flags.h (warn_strict_aliasing): Remove.
9333         (warn_strict_overflow): Remove.
9334         * opts.c (warn_strict_aliasing): Remove.
9335         (warn_strict_overflow): Remove.
9336         * c-opts.c (c_common_handle_option): -Wall only sets
9337         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9338         (c_common_post_options): Give default values to -Wstrict-aliasing
9339         and -Wstrict-overflow if they are uninitialized.
9340         * common.opt (Wstrict-aliasing): Specify Var and Init.
9341         (Wstrict-overflow): Likewise.
9342
9343 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9344
9345         PR rtl-optimization/26854
9346         PR rtl-optimization/34400
9347         PR rtl-optimization/34884
9348         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9349         DF_RD->gen.
9350         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9351         (df_rd_bb_info.expanded_lr_out): Deleted
9352         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9353         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9354         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9355         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9356         Removed code to allocate, initialize or free expanded_lr_out.
9357         (df_rd_bb_local_compute_process_def): Restructured to make more
9358         understandable.
9359         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9360         sets if the sets are being trimmed.
9361
9362 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9363
9364         PR bootstrap/32287
9365         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9366         (as_vers): Likewise.
9367         * configure: Regenerated.
9368
9369 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9370
9371         PR middle-end/33092
9372         * tree-pass.h (pass_build_alias): New pass.
9373         * tree-ssa-alias.c (gate_build_alias): New.
9374         (pass_build_alias): New.
9375         * passes.c (init_optimization_passes): Add pass_build_alias after
9376         pass_create_structure_vars.
9377
9378 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9379
9380         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9381         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9382         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9383         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9384         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9385         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9386         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9387         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9388         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9389         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9390         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9391         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9392         * config/s390/s390.md (FP_ALL): New mode iterator.
9393         (_d): New mode attribute.
9394         ("*signbit<mode>2>"): Changed mode of first operand.
9395         ("isinf<mode>2"): Changed mode of first operand.
9396         ("*TDC_insn"): Adaptation for DFP modes.
9397
9398 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9399
9400         * tree.c (check_qualified_type): Improve function description.
9401
9402 2008-01-21  Jason Merrill  <jason@redhat.com>
9403
9404         PR c++/34196
9405         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9406         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9407         if it is set.
9408
9409 2008-01-21  DJ Delorie  <dj@redhat.com>
9410
9411         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9412         return zero.
9413
9414 2008-01-21  Richard Guenther  <rguenther@suse.de>
9415
9416         PR middle-end/34856
9417         * tree-cfg.c (verify_expr): Allow all invariant expressions
9418         instead of just constant class ones as reference argument.
9419         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9420         like any other constant.
9421         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9422
9423 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9424
9425         * regmove.c (fixup_match_1): Update call crossed frequencies.
9426
9427 2008-01-21  Richard Guenther  <rguenther@suse.de>
9428
9429         PR c/34885
9430         * tree-inline.c (setup_one_parameter): Deal with mismatched
9431         types using a VIEW_CONVERT_EXPR.
9432
9433 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9434             Olga Golovanevsky  <olga@il.ibm.com>
9435
9436         PR tree-optimization/34701
9437         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9438         when the structure size is not a power of 2.
9439
9440 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9441
9442         * doc/install.texi: Add doc for --enable-checking=df.
9443
9444 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9445
9446         PR rtl-optimization/34808
9447         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9448
9449 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9450
9451         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9452         input.
9453
9454 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9455
9456         PR rtl-optimization/26854
9457         PR rtl-optimization/34400
9458         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9459         DF_RD->gen.
9460         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9461         (df_rd_bb_info.expanded_lr_out): New.
9462         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9463         * loop_iv.c (iv_analysis_loop_init): Ditto.
9464         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9465         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9466         Added code to allocate, initialize or free expanded_lr_out.
9467         (df_rd_bb_local_compute_process_def): Restructured to make
9468         more understandable.
9469         (df_rd_confluence_n): Add code to do nothing with fake edges and
9470         code to no apply invalidate_by_call sets if the sets are being trimmed.
9471         (df_lr_local_finalize): Renamed to df_lr_finalize.
9472         (df_live_local_finalize): Renamed to df_live_finalize.
9473
9474 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9475
9476         PR target/34831
9477         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9478         deciding whether to use reciprocal instructions.
9479
9480 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9481
9482         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9483         dwarf2out_note_section_used if cold_text_section is NULL.
9484
9485 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9486
9487         PR gcov-profile/34610
9488         * tree-cfg.c (make_edges): Mark both outgoing edges from
9489         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9490         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9491         from OMP_FOR and OMP_CONTINUE outgoing edges.
9492
9493         * tree-profile.c (tree_profiling): Return early if
9494         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9495         at the end.
9496         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9497         from cfun to child_cfun.
9498         * function.h (struct function): Add after_tree_profile bit.
9499
9500 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9501
9502         * config/avr/avr.S (_exit): Disable interrupt.
9503
9504 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9505             Steven Bosscher  <stevenb.gcc@gmail.com>
9506
9507         PR rtl-optimization/26854
9508         PR rtl-optimization/34400
9509         * df-problems.c (df_live_scratch): New scratch bitmap.
9510         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9511         (df_live_reset): Clear the proper bitmaps.
9512         (df_live_bb_local_compute): Only process the artificial defs once
9513         since the order is not important.
9514         (df_live_init): Init the df_live sets only with the variables
9515         found live by df_lr.
9516         (df_live_transfer_function): Use the df_lr sets to prune the
9517         df_live sets as they are being computed.
9518         (df_live_free): Free df_live_scratch.
9519
9520 2008-01-18  Ian Lance Taylor  <iant@google.com>
9521
9522         * common.opt: Add fmerge-debug-strings.
9523         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9524         flag_merge_debug_strings rather than flag_merge_constants.
9525         * doc/invoke.texi (Option Summary): Mention
9526         -fmerge-debug-strings.
9527         (Debugging Options): Document -fmerge-debug-strings.
9528
9529 2008-01-18  Ian Lance Taylor  <iant@google.com>
9530
9531         PR c++/33407
9532         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9533         (struct tree_function_decl): Add new field operator_new_flag.
9534         * tree-inline.c (expand_call_inline): When inlining a call to
9535         operator new, force the return value to go into a variable, and
9536         set DECL_NO_TBAA_P on that variable.
9537         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9538
9539 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9540
9541         PR debug/34484
9542         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9543         DWARF2_DEBUGGING_INFO.
9544         (dwarf2out_note_section_used): Ditto.  Add prototype.
9545         (have_multiple_function_sections, text_section_used,
9546         cold_text_section_used, *cold_text_sections): Move declarations
9547         before their uses.
9548
9549 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9550
9551         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9552         field and add signal_ra.
9553         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9554         assignments to frame state pc.  Move end of stack check after
9555         MD_FALLBACK_FRAME_STATE_FOR.
9556         (uw_update_context_1): Use frame state signal_regs if set, instead
9557         of checking signal_frame flag.
9558         (uw_update_context): Use frame state signal_ra if set.
9559         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9560         * config/xtensa/linux-unwind.h: New file.
9561
9562 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9563
9564         * modulo-sched.c (get_sched_window): Fix comment typo.
9565
9566 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9567
9568         PR tree-optimization/34648
9569         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9570
9571 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9572
9573         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9574         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9575
9576 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9577
9578         PR rtl-optimization/34400
9579         * df-core.c (df_worklist_dataflow_overeager,
9580         df_worklist_dataflow_doublequeue): New functions.
9581         (df_worklist_dataflow): Two different worklist solvers.
9582         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9583         New param.
9584
9585 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9586
9587         PR testsuite/34821
9588         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9589         and ftree-parallelize-loops.
9590
9591 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9592
9593         PR rtl-optimization/34826
9594         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9595
9596 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9597
9598         * global.c (find_reg): Mark the eh regs as used if necessary.
9599         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9600         * ra.h (struct allocno): no_eh_reg field added.  Changed
9601         no_stack_reg type to bitfield.
9602
9603 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9604
9605         * tree.c (substitute_in_expr): Add missing 'break'.
9606
9607 2008-01-17  Richard Guenther  <rguenther@suse.de>
9608
9609         PR tree-optimization/34825
9610         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9611         x / x as division to handle.
9612
9613 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9614
9615         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9616         "-pthread" is specified.
9617         * pa-hpux11.h (LIB_SPEC): Likewise.
9618
9619 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9620             Peter Bergner  <bergner@vnet.ibm.com>
9621
9622         PR rtl-optimization/33796
9623         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9624
9625 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9626
9627         PR libgfortran/34699
9628         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9629         static links.
9630         * pa-hpux10.h (LINK_SPEC): Likewise.
9631         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9632
9633 2008-01-16  Richard Guenther  <rguenther@suse.de>
9634
9635         PR middle-end/32628
9636         * fold-const.c (fold_convert_const_int_from_int): Do not
9637         set overflow if that occured only because of a sign extension
9638         change when converting from/to a sizetype with the same
9639         precision and signedness.
9640
9641 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9642
9643         PR debug/34249
9644         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9645         location address to the correct place.  Update copyright year.
9646
9647 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9648
9649         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9650         no dependences in the dependence_relations vector.
9651
9652 2008-01-16  Jan Hubicka  <jh@suse.cz>
9653
9654         PR rtl-optimization/31396
9655         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9656         * cfg.c (dump_reg_info): Print it.
9657         * regs.h (struct reg_info_t): add freq_calls_crossed.
9658         (REG_FREQ_CALLS_CROSSED): New macro.
9659         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9660         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9661         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9662         regmove_optimize): Update call crossed frequencies.
9663         * local-alloc.c (struct qty): Add freq_calls_crossed.
9664         (alloc_qty): Copute freq_calls_crossed.
9665         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9666         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9667         * ra.h (struct allocno): Add freq_calls_crossed.
9668
9669 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9670
9671         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9672         libgomp when compiling with ftree-parallelize-loops.
9673         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9674
9675 2008-01-16  Richard Guenther  <rguenther@suse.de>
9676
9677         PR tree-optimization/34769
9678         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9679         * tree.c (int_cst_value): Instead make this function more
9680         permissive in what it accepts as valid input.  Document this
9681         function always sign-extends the value.
9682
9683 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9684             Richard Guenther  <rguenther@suse.de>
9685
9686         PR c/34668
9687         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9688         (gimple_fold_indirect_ref_rhs): ... this.
9689         (gimple_fold_indirect_ref): New function with foldings
9690         that preserve lvalueness.
9691         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9692         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9693         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9694         to fold an INDIRECT_REF, fall back to the old use of
9695         fold_indirect_ref_1.
9696
9697 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9698
9699         * tree-data-ref.c (subscript_dependence_tester_1): Call
9700         free_conflict_function.
9701         (compute_self_dependence): Same.
9702
9703 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9704
9705         PR debug/34249
9706         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9707         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9708         function global.
9709         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9710         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9711         for DWARF2_UNWIND_INFO targets.
9712
9713 2008-01-16  Richard Guenther  <rguenther@suse.de>
9714
9715         PR c/34768
9716         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9717         type qualifiers for function types.
9718
9719 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9720
9721         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9722         loop_iterator li from previous commit.
9723
9724 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9725
9726         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9727
9728 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9729
9730         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9731         (parallelize_loops): Don't parallelize irreducible components.
9732
9733 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9734
9735         PR c++/24924
9736         * c-opts (c_common_post_options): Do not enable CPP
9737         flag_pedantic_errors by default.
9738
9739 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9740
9741         PR rtl-optimization/31944
9742         * cse.c (remove_pseudo_from_table): New function.
9743         (merge_equiv_classes): Use above function to remove pseudo-registers.
9744         (invalidate): Likewise.
9745
9746 2008-01-13  Richard Guenther  <rguenther@suse.de>
9747
9748         PR middle-end/34601
9749         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9750         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9751
9752 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9753
9754         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9755         validate_change to unshare the source of the PC set.
9756
9757 2008-01-12  Jan Hubicka  <jh@suse.cz>
9758
9759         PR middle-end/32135
9760         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9761         references above array bounds.  This might trigger bounds checks for
9762         pointers to arrays.
9763
9764 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9765
9766         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9767         new_replaceable_dependencies.
9768
9769 2008-01-12  Doug Kwan  <dougkwan@google.com>
9770
9771         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9772         instead of OPT_Wreturn_type in warning due to ignored return type
9773         qualifiers.
9774         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9775         options included in -Wextra.
9776         * c.opt: New option -Wignored_qualifiers.
9777         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9778         -Wignore_qualifiers.
9779         (-Wignored-qualifiers): Document.
9780         (-Wreturn-type): Remove description of functionality now handled
9781         by -Wignored-qualifiers.
9782
9783 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9784
9785         PR ada/33788
9786         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9787         NOP_EXPR if it is between integral types with the same precision.
9788
9789 2008-01-12  Jan Hubicka  <jh@suse.cz>
9790
9791         PR other/28023
9792         * invoke.texi (max-inline-recursive-depth): Fix default value.
9793
9794 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9795
9796         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9797         correct type.
9798
9799 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9800
9801         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9802
9803 2008-01-11  James E. Wilson  <wilson@specifix.com>
9804
9805         PR target/26015
9806         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9807
9808 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9809
9810         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
9811         save/restore frame pointer register and don't use 'call-prologues'
9812         optimization in function with "OS_task" attribute.
9813
9814 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9815
9816         PR middle-end/31309
9817         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9818         when copying to memory.
9819
9820 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9821
9822         PR rtl-optimization/30905
9823         * cfgcleanup.c: Include dce.h
9824         (crossjumps_occured): New global variable.
9825         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9826         If something changed, set crossjumps_occured to true.
9827         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9828         Don't add/remove fake edges to exit here...
9829         (cleanup_cfg): ...but do it here, when crossjumping.
9830         Run a fast DCE when successful crossjumps occured in the latest
9831         iteration of try_optimize_cfg.
9832
9833 2008-01-11  Richard Guenther  <rguenther@suse.de>
9834
9835         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9836         (struct vn_unary_op_s): Likewise.
9837         (vn_reference_insert): Free old reference on hash collision.
9838
9839 2008-01-10  Raksit Ashok  <raksit@google.com>
9840
9841         PR rtl-optimization/27971
9842         * combine.c (find_split_point): Split PLUS expressions which are
9843         inside a MEM rtx, and whose first operand is complex.
9844
9845 2008-01-10  DJ Delorie  <dj@redhat.com>
9846
9847         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9848         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9849         (m32c_hard_regno_ok): Call the underlying function.
9850
9851 2008-01-10  Richard Guenther  <rguenther@suse.de>
9852
9853         PR middle-end/34683
9854         * tree-cfg.c (tree_merge_blocks): Do not go through the
9855         full-blown folding and stmt updating path if we just deal
9856         with virtual operands.
9857         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9858         test for abnormal SSA_NAMEs.
9859
9860 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9861
9862         PR middle-end/34641
9863         * reload.c (push_reload): Add assertions.  All constants from
9864         reg_equiv_constant should have been used for replacing the respective
9865         pseudo earlier.
9866         (find_reloads_address): Invoke find_reloads_address_part for
9867         constant taken from the reg_equiv_constant array.
9868
9869 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9870
9871         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9872         field (valnum) the first in the struct.  Replace bools with
9873         unit bit fields.
9874
9875 2008-01-10  Richard Guenther  <rguenther@suse.de>
9876
9877         PR tree-optimization/34651
9878         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9879         types and ordering for masking and converting.
9880
9881 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9882
9883         PR tree-optimization/34017
9884         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9885         also for PHI_NODE expressions.
9886
9887 2008-01-09  Jan Hubicka  <jh@suse.cz>
9888
9889         PR tree-optimization/34708
9890         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9891         based on number of case labels.
9892         (init_inline_once): Remove switch_cost.
9893         * tree-inline.h (eni_weights_d): Remove switch_cost.
9894
9895 2008-01-09  Richard Guenther  <rguenther@suse.de>
9896         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9897
9898         PR middle-end/30132
9899         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9900         temporary if an rvalue is ok or an lvalue is not required.
9901
9902 2008-01-09  Richard Guenther  <rguenther@suse.de>
9903
9904         PR middle-end/34458
9905         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9906         adjust return type.
9907
9908 2008-01-09  Richard Guenther  <rguenther@suse.de>
9909
9910         PR middle-end/34679
9911         * tree.c (host_integerp): Check for sizetype only if the
9912         type is an integer type.
9913
9914 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9915
9916         PR debug/26364
9917         * opts.c (decode_options): Disable inlining of functions called
9918         once if not in unit-at-a-time mode.
9919
9920 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9921
9922         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9923
9924 2008-01-08  Richard Guenther  <rguenther@suse.de>
9925
9926         PR middle-end/31863
9927         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9928         out early if the result will be unused.
9929
9930 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9931
9932         PR target/34709
9933         Revert:
9934
9935         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9936         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9937         for TARGET_RECIP.
9938
9939 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9940
9941         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9942         for vectorization tuned.
9943
9944 2008-01-08  Richard Guenther  <rguenther@suse.de>
9945
9946         PR tree-optimization/34683
9947         * tree-ssa-operands.c (operand_build_cmp): Export.
9948         * tree-ssa-operands.h (operand_build_cmp): Declare.
9949         * tree-vn.c (vuses_compare): Remove.
9950         (sort_vuses): Use operand_build_cmp.
9951         (sort_vuses_heap): Likewise.
9952         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9953         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9954         (vdefs_to_vec): Do not sort already sorted VDEFs.
9955
9956 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9957
9958         PR middle-end/34694
9959         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9960
9961 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9962
9963         PR target/34702
9964         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9965         limitations of reciprocal sequences on x86 targets.
9966
9967 2008-01-08  Richard Guenther  <rguenther@suse.de>
9968
9969         PR tree-optimization/34683
9970         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9971
9972 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9973
9974         PR target/34622
9975         * config/darwin.c (darwin_mergeable_string_section): Don't use
9976         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9977
9978 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9979
9980         PR target/34682
9981         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9982         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9983         predicates of op0 and op1 to register_operand.
9984         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9985         expander using X87MODEF mode iterator.  Change predicates of
9986         op0 and op1 to register_operand.
9987         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9988         corresponding patterns and macroize using MODEF macro.  Change
9989         predicates of op0 and op1 to register_operand and remove
9990         "m" constraint. Disparage "r" alternative with "!".
9991         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9992         macroize using X87MODEF macro.  Change predicates of op0 and op1
9993         to register_operand and remove "m" constraint.  Disparage "r"
9994         alternative with "!".
9995         (absneg splitter with memory operands): Remove.
9996         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9997         patterns and macroize using X87MODEF mode iterator.
9998         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9999         Change predicate of op1 to register_operand.
10000         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
10001         for memory operands.
10002
10003 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
10004
10005         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
10006
10007 2008-01-07  Richard Guenther  <rguenther@suse.de>
10008
10009         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
10010         fields.
10011
10012 2008-01-07  Richard Guenther  <rguenther@suse.de>
10013
10014         PR tree-optimization/34683
10015         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
10016         VOPs of the needed size to save memory.  Use VEC_quick_push
10017         to save compile-time.
10018         (vdefs_to_vec): Likewise.
10019
10020 2008-01-07  Sa Liu  <saliu@de.ibm.com>
10021
10022         * config/spu/spu.md (divdf3): Genetate inline code for double
10023         division.  The implementation doesn't handle INF or NAN, therefore it
10024         only applies when -ffinite-math-only is given.
10025
10026 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
10027
10028         PR libstdc++/34680
10029         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
10030         * doc/cpp.texi ([Common Predefined Macros]): Document.
10031
10032 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
10033
10034         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
10035         order to use commutative addition instead of subtraction.
10036
10037 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10038             Mircea Namolaru  <namolaru@il.ibm.com>
10039             Vladimir Yanovsky  <yanov@il.ibm.com>
10040             Revital Eres  <eres@il.ibm.com>
10041
10042         PR tree-optimization/34263
10043         * tree-outof-ssa.c (process_single_block_loop_latch,
10044         contains_tree_r): New functions.
10045         (analyze_edges_for_bb): Call process_single_block_loop_latch
10046         function to empty single-basic-block latch block if possible.
10047
10048 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10049
10050         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
10051         for TARGET_RECIP.
10052         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
10053
10054 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10055
10056         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
10057
10058 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10059
10060         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
10061
10062 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
10063
10064         PR tree-optimization/34618
10065         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
10066         flag from T.
10067
10068 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
10069
10070         PR target/34673
10071         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
10072         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
10073         Update copyright year.
10074
10075         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
10076         Update copyright year.
10077         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
10078         using NR fixup.
10079
10080 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
10081
10082         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
10083         edge does not point to current bb before changing need_assert.
10084
10085 2008-01-04  Richard Guenther  <rguenther@suse.de>
10086
10087         PR middle-end/34029
10088         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
10089         for verifying purposes if they are is_gimple_min_invariant.
10090
10091 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
10092
10093         PR tree-optimization/34448
10094         PR tree-optimization/34465
10095         * gimplify.c (gimplify_init_constructor): Add new parameter
10096         notify_temp_creation.  Use it.
10097         (gimplify_modify_expr_rhs): Take volatiles into account when
10098         optimizing constructors.
10099         Do not optimize constructors if gimplify_init_constructor will dump to
10100         memory.
10101         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
10102         * gcc.c-torture/compile/pr34448.c: New.
10103
10104 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
10105
10106         PR gcov-profile/34609
10107         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
10108         return_slot if result is TREE_ADDRESSABLE.
10109
10110 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
10111
10112         * config/mips/mips.md (sqrt_condition): Tweak comment.
10113         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
10114
10115 2008-01-03  Tom Tromey  <tromey@redhat.com>
10116
10117         PR c/34457
10118         * c-common.c (c_type_hash): Handle VLAs.
10119
10120 2008-01-03  Jan Hubicka  <jh@suse.cz>
10121
10122         PR tree-optimization/31081
10123         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10124         0 when inlining and not inlining to first basic block.
10125         (remap_decl): When var is initialized to 0, don't set default_def.
10126         (expand_call_inline): Set entry_bb.
10127         * tree-inline.h (copy_body_data): Add entry_bb.
10128
10129 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10130
10131         PR c++/34619
10132         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10133         before returning.
10134
10135         PR tree-optimization/29484
10136         * tree-inline.c (inline_forbidden_p_2): New function.
10137         (inline_forbidden_p): Disallow inlining if some static var
10138         has an address of a local LABEL_DECL in its initializer.
10139         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10140         vs. inlining.
10141
10142 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10143
10144         PR tree-optimization/34635
10145         * tree-data-ref.c (add_other_self_distances): Make sure that the
10146         evolution step is constant.
10147
10148 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10149
10150         PR middle-end/34608
10151         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10152
10153 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10154
10155         * tree-sra.c (scalarize_init): Insert the generate_element_init
10156         statements after the generate_element_zero statements.
10157
10158 2008-01-02  Richard Guenther  <rguenther@suse.de>
10159
10160         PR middle-end/34093
10161         PR middle-end/31976
10162         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10163         for very large number of operands instead of ICEing.
10164
10165 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10166
10167         PR target/34013
10168         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10169         while stack probing.
10170
10171 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10172
10173         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10174         in C++0x mode.
10175
10176 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10177
10178         PR libmudflap/26442
10179         * tree-mudflap.c (mx_register_decls): Guard warning by
10180         !DECL_ARTIFICIAL check.
10181
10182 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10183
10184         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10185         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10186         sse5_perm<mode>): Fix constraints.