gcc/ChangeLog

   1 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
   2
   3         * cfg.c (connect_src, connect_dest, disconnect_src,
   4         disconnct_dest): New.
   5         (unchecked_make_edge, remove_edge, redirect_edge_succ,
   6         redirect_edge_pred): Use the new functions.
   7
   8         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
   9         free_dominance_info only when needed.
  10
  11 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
  12
  13         PR target/20276
  14         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
  15         (reg_or_sub_cint64_operand): Same.
  16
  17 2005-03-02  Jeff Law  <law@redhat.com>
  18
  19         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
  20         CFG_ALTERED in the main DOM iteration loop.
  21
  22 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
  23
  24         PR c++/19916
  25         * varasm.c (initializer_constant_valid_p): Allow conversions
  26         between OFFSET_TYPEs.  Tidy.
  27
  28 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
  29
  30         * config/cris/cris.md ("return"): Remove epilogue delay list
  31         sanity check.
  32
  33 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
  34
  35         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
  36         for Thumb.
  37         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
  38
  39 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
  40
  41         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
  42         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
  43         config/m68k/m68k.c, config/mips/mips.h,
  44         config/rs6000/rs6000-protos.h, doc/contrib.texi,
  45         doc/include/gcc-common.texi: Update copyright.
  46
  47         PR middle-end/18029 and PR middle-end/18030
  48         * expr.c (optimize_bitfield_assignment_op): Add a special case
  49         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
  50
  51         * fold-const.c (fold_unary): New.
  52         (fold): Call fold_unary on unary expressions.
  53
  54 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
  55
  56         * cgraph.h (struct cgraph_edge): Add prev_caller and
  57         prev_callee fields.
  58         (cgraph_node_remove_callees): Export.
  59         * cgraph.c (cgraph_create_edge): Initialize prev_caller
  60         and prev_callee.
  61         (cgraph_edge_remove_callee): New function.
  62         (cgraph_edge_remove_caller): Likewise.
  63         (cgraph_remove_edge): Use.
  64         (cgraph_redirect_edge_callee): Likewise.
  65         (cgraph_node_remove_callees): New function.
  66         (cgraph_node_remove_callers): Likewise.
  67         (cgraph_remove_node): Use.
  68         * tree-optimize.c (tree_rest_of_compilation): Use
  69         cgraph_node_remove_callees instead of manual loop.
  70         * cgraphunit.c (cgraph_finalize_function): Likewise.
  71         (cgraph_expand_function): Likewise.
  72         (cgraph_remove_unreachable_nodes): Likewise.
  73
  74 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
  75
  76         PR c/8927
  77         * c-tree.h (undeclared_variable, build_external_ref): Add extra
  78         argument.
  79         * c-decl.c (undeclared_variable): Take location as argument.
  80         * c-typeck.c (build_external_ref): Likewise.
  81         * c-parser.c (c_parser_postfix_expression): Pass location of
  82         identifier to build_external_ref.
  83
  84 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
  85
  86         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
  87         CCEQ mode for branch_positive_comparison_operator test.
  88         * config/rs6000/predicates (branch_comparison_operator): Revert to
  89         define_predicate.
  90         (scc_comparison_operator): Same.
  91         (branch_positive_comparison_operator): Same.
  92
  93 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
  94
  95         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
  96         (cris_delay_slots_for_epilogue): Remove.
  97         (save_last): Move into cris_target_asm_function_epilogue.
  98         (cris_target_asm_function_epilogue): Remove tests for file being
  99         NULL.
 100         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
 101         (cris_delay_slots_for_epilogue): Remove prototypes.
 102         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
 103         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
 104
 105 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
 106
 107         * config/rs6000/predicates.md (branch_comparison_operator): Change
 108         to define_special_predicate.
 109         (scc_comparison_operator): Same.
 110         (branch_positive_comparison_operator): Same.
 111
 112 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
 113
 114         * Makefile.in (tree-ssa-sink.o): New.
 115         (OBJS-common): Add tree-ssa-sink.o.
 116         * common.opt: Add -ftree-sink
 117         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
 118         * timevar.def (TV_TREE_SINK): new timevar.
 119         * tree-flow.h (is_hidden_global_store): Prototype.
 120         * tree-optimize.c (init_tree_optimization_passes): Add
 121         pass_sink_code.
 122         * tree-pass.h (pass_sink_code): New.
 123         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
 124         for non-obvious global store store to is_hidden_global_store, and
 125         call that new function.
 126         * tree-ssa-sink.c: New file.
 127         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
 128         * doc/passes.texi: Document forward store motion.
 129         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
 130         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
 131         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
 132         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
 133
 134 2005-03-01  Per Bothner  <per@bothner.com>
 135
 136         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
 137         and we have a non-zero column-number, add it to the message.
 138         Also factor out the diagnostic_kind_text.
 139
 140 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
 141
 142         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
 143         flow_loop_pre_header_scan, flow_loop_pre_header_find,
 144         flow_loop_scan): Removed.
 145         (flow_loop_dump): Do not dump removed fields.
 146         (flow_loop_free): Do not free removed fields.
 147         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
 148         (loop_exit_edge_p): New function.
 149         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
 150         num_pre_header_edges, entry_edges, num_entries, exit_edges,
 151         num_exits, exits_doms.
 152         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
 153         LOOP_EDGES, LOOP_ALL): Removed.
 154         (flow_loop_scan): Declaration removed.
 155         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
 156         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
 157         flow_loops_find.
 158         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
 159         (if_convert): Call flow_loops_find and flow_loops_free
 160         when calling mark_loop_exit_edges.
 161         * cfgloopanal.c (mark_loop_exit_edges): Moved from
 162         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
 163         free_dominance_info calls.
 164         * loop-init.c (flow_loops_find): Ditto.
 165         * passes.c (rest_of_handle_branch_prob): Ditto.
 166         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
 167         * loop-unroll.c (analyze_insns_in_loop): Do not use
 168         EDGE_LOOP_EXIT.
 169         * predict.c (predict_loops): Do not call flow_loop_scan.
 170         Use get_loop_exit_edges.
 171         (tree_estimate_probability): Do not pass flags to flow_loops_find.
 172         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
 173         Do not use EDGE_LOOP_EXIT.
 174         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
 175         to bb_with_exit_edge_p.
 176         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
 177         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
 178         to bb_with_exit_edge_p.
 179         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
 180         EDGE_LOOP_EXIT.
 181         * tree-loop-linear.c (linear_transform_loops): Do not call
 182         flow_loop_scan.  Use loop->single_exit.
 183         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
 184         (vect_analyze_loop_form): Do not call flow_loop_scan.
 185         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
 186         loop->single_exit.
 187         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
 188         loop->single_exit.
 189         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
 190         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
 191         slpeel_tree_duplicate_loop_to_edge_cfg,
 192         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
 193         Use loop_preheader_edge and loop->single_exit.  Do not call
 194         flow_loop_scan.
 195
 196 2005-03-01  Nick Clifton  <nickc@redhat.com>
 197
 198         * config/arm/arm.c (thumb_find_work_register): Check all of the
 199         argument registers to see if they are free, and a couple of
 200         special cases where the last argument register but can be proved
 201         to be available during the function's prologue.
 202         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
 203         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
 204         thumb_unexpanded_epilogue): Use unsigned long as the type for the
 205         register bit-mask.
 206         (thumb_compute_save_reg_mask): Likewise.  Also use
 207         thumb_find_work_register() to ensure that there is agreement about
 208         which work register is going to be used in the prologue.
 209         (thumb_output_function_prologue): Use unsigned long as the type
 210         for the register bit-mask.  Also delay pushing the link register if
 211         other high registers are going to be pushed.
 212         (thumb_compute_save_reg_mask, emit_multi_reg_push,
 213         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
 214         redundant prototypes.
 215
 216 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
 217
 218         PR target/19819
 219         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
 220         and after reload in REG+REG indexed addresses without REG_POINTER
 221         set in the base and not set in the index.
 222
 223 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
 224
 225         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
 226         Don't undefine here.
 227         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
 228         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
 229         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
 230         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
 231         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
 232         Delete.
 233         * config.gcc (sh*-*-linux*): Use config/linux.h.
 234
 235 2005-02-28  Dale Johannesen  <dalej@apple.com>
 236             Stan Shebs  <shebs@apple.com>
 237
 238         Rewrite of 64-bit Darwin structure-by-value pass/return.
 239         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
 240         intoffset, use_stack, named.
 241         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
 242         (rs6000_darwin64_record_arg_advance_flush):  New.
 243         (rs6000_darwin64_record_arg_advance_recurse): New.
 244         (rs6000_darwin64_record_arg_flush):  New.
 245         (rs6000_darwin64_record_arg_recurse):  New.
 246         (rs6000_darwin64_record_arg):  New.
 247         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
 248         (function_arg_boundary):  Handle 128-bit aligned structs.
 249         (function_arg_advance):  Rewrite darwin64 struct handling.
 250         (function_arg):  Call rs6000_darwin64_record_arg.
 251         (function_arg_partial_nregs):  Handle darwin64 structs.
 252         (rs6000_darwin64_function_value):  Remove.
 253         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
 254
 255 2005-02-28  Roger Sayle  <roger@eyesopen.com>
 256
 257         PR tree-optimization/20216
 258         * tree-chrec.c (tree_fold_factorial): Delete.
 259         (tree_fold_binomial): Change argument list to take a return type
 260         and change the type of K to unsigned int.  Rewrite to avoid explicit
 261         evaluation of factorials, and (recursively) calling fold to perform
 262         compile-time arithmetic.  Return NULL on (internal) overflow.
 263         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
 264         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
 265         if any intermediate calculation overflows.
 266         (chrec_apply): Update call to chrec_evaluate.
 267
 268 2005-02-28  James E Wilson  <wilson@specifixinc.com>
 269
 270         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
 271
 272 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
 273
 274         PR c/20245
 275         * c-parser.c (c_parser_compound_statement): Return error_mark_node
 276         instead of NULL_TREE on error.
 277
 278 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
 279
 280         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
 281         (EASY_VECTOR_15_ADD_SELF): Remove.
 282         (num_insns_constant_wide): Not static.
 283         (validate_condition_mode): Not static.
 284         (toc_relative_expr_p): Not static.
 285         (legitimate_indirect_address_p): Not static.
 286         (macho_lo_sum_memory_operand): Not static.
 287         (invalid_e500_subreg): Not static.
 288         (easy_vector_same): Not static.
 289         (easy_vector_splat_const): Not static.
 290         (RS6000_SYMBOL_REF_TLS_P): Remove.
 291         (any_operand): Delete.
 292         (any_parallel_operand): Delete.
 293         (count_register_operand): Delete.
 294         (altivec_register_operand): Delete.
 295         (xer_operand): Delete.
 296         (s8bit_cint_operand): Delete.
 297         (short_cint_operand): Delete.
 298         (u_short_cint_operand): Delete.
 299         (non_short_cint_operand): Delete.
 300         (exact_log2_cint_operand): Delete.
 301         (gpc_reg_operand): Delete.
 302         (cc_reg_operand): Delete.
 303         (cc_reg_not_cr0_operand): Delete.
 304         (reg_or_short_operand): Delete.
 305         (reg_or_neg_short_operand): Delete.
 306         (reg_or_aligned_short_operand): Delete.
 307         (reg_or_u_short_operand): Delete.
 308         (reg_or_cint_operand): Delete.
 309         (reg_or_arith_cint_operand): Delete.
 310         (reg_or_add_cint64_operand): Delete.
 311         (reg_or_sub_cint64_operand): Delete.
 312         (reg_or_logical_cint_operand): Delete.
 313         (got_operand): Delete.
 314         (got_no_const_operand): Delete.
 315         (easy_fp_constant): Delete.
 316         (easy_vector_constant): Delete.
 317         (easy_vector_constant_add_self): Delete.
 318         (zero_constant): Delete.
 319         (zero_fp_constant): Delete.
 320         (volatile_mem_operand): Delete.
 321         (offsettable_mem_operand): Delete.
 322         (mem_or_easy_const_operand): Delete.
 323         (add_operand): Delete.
 324         (non_add_cint_operand): Delete.
 325         (logical_operand): Delete.
 326         (non_logical_cint_operand): Delete.
 327         (mask_operand): Delete.
 328         (mask_operand_wrap): Delete.
 329         (mask64_operand): Delete.
 330         (mask64_2_operand): Delete.
 331         (and64_operand): Delete.
 332         (and64_2_operand): Delete.
 333         (and_operand): Delete.
 334         (reg_or_mem_operand): Delete.
 335         (lwa_operand): Delete.
 336         (symbol_ref_operand): Delete.
 337         (call_operand): Delete.
 338         (current_file_function_operand): Delete.
 339         (input_operand): Delete.
 340         (rs6000_nonimmediate_operand): Delete.
 341         (rs6000_tls_symbol_ref): Delete.
 342         (save_world_operation): Delete.
 343         (restore_world_operation): Delete.
 344         (load_multiple_operation): Delete.
 345         (store_multiple_operation): Delete.
 346         (vrsave_operation): Delete.
 347         (mfcr_operation): Delete.
 348         (mtcrf_operation): Delete.
 349         (lmw_operation): Delete.
 350         (stmw_operation): Delete.
 351         (branch_comparison_operator): Delete.
 352         (branch_positive_comparison_operator): Delete.
 353         (scc_comparison_operator): Delete.
 354         (trap_comparison_operator): Delete.
 355         (boolean_operator): Delete.
 356         (boolean_or_operator): Delete.
 357         (min_max_operator): Delete.
 358         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
 359         (EASY_VECTOR_15): Moved to here.
 360         (EASY_VECTOR_15_ADD_SELF): Move to here.
 361         (PREDICATE_CODES): Delete.
 362         * config/rs6000/rs6000-protos.h: Delete predicate functions.
 363         Declare functions no longer static.
 364         * config/rs6000/predicates.md: New.
 365         * config/rs6000/rs6000.md: Include predicates.md
 366
 367 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
 368
 369         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
 370         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
 371         REG_ALWAYS_RETURN.
 372         * cfgrtl.c (need_fake_edge_p): Likewise.
 373         * combine.c (distribute_notes): Likewise.
 374         * emit-rtl.c (try_split): Likewise.
 375         * recog.c (peephole2_opimize): Likewise.
 376         * reg-notes.def (ALWAYS_RETURN): Remove.
 377         * rtl.h (LCT_ALWAYS_RETURN): Remove.
 378         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
 379         * tree.h (ECF_ALWAYS_RETURN): Remove.
 380
 381 2005-02-28  Roger Sayle  <roger@eyesopen.com>
 382
 383         PR middle-end/19874
 384         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
 385         between different machine modes is never a "useless" conversion.
 386
 387 2005-02-28  Geert Bosch  <bosch@gnat.com>
 388
 389         PR ada/15977
 390         * doc/contrib.texi: List contributors for Ada front end
 391
 392 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
 393
 394         * simplify-rtx.c (simplify_unary_operation_1,
 395         simplify_const_unary_operation): New, extracted from...
 396         (simplify_unary_operation): ... this one.
 397         (simplify_binary_operation_1,
 398         simplify_const_binary_operation): New, extracted from...
 399         (simplify_binary_operation): ... this one.
 400         * rtl.h (simplify_const_unary_operation,
 401         simplify_const_binary_operation): Add prototypes.
 402
 403 2005-02-28  Julian Brown  <julian@codesourcery.com>
 404
 405         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
 406         building libjava and caused PR regression/20228.
 407
 408 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
 409
 410         PR bootstrap/17383
 411         * Makefile.in (host_subdir): New.
 412         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
 413         * configure: Regenerate.
 414
 415 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
 416
 417         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
 418         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
 419         installation directory first.
 420
 421 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
 422
 423         PR target/19065.
 424         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
 425         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
 426         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
 427         * config/cris/cris.md: Tweak comments referring to Q.
 428         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
 429         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
 430         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
 431         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
 432         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
 433         Insert spaces in constraints to align alternatives vertically for
 434         readability.
 435         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
 436         operand 1: "M".
 437
 438 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 439
 440         PR rtl-optimization/17728
 441         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
 442         operand 0 from general_operand to move_dest_operand.
 443
 444 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 445
 446         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
 447         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
 448         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
 449         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
 450
 451 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
 452
 453         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
 454         * configure: Regenerate.
 455         * libada-mk.in: Remove CC; rename
 456         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
 457
 458 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
 459
 460         PR tree-opt/20188
 461         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
 462         for the lhs, also walk over the tree.  Likewise for rhs.
 463
 464 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
 465
 466         * tree-ssa-dom.c (simple_iv_increment_p): New function.
 467         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
 468         Do not propagate value of iv before increment over the increment.
 469
 470 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
 471
 472         * c-parser.c: New file.
 473         * c-parse.in: Remove.
 474         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
 475         Remove.
 476         (c-parser.o): Add dependencies.
 477         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
 478         maintainer-clean, TAGS): Update.
 479         * c-config-lang.in (gtfiles): Update.
 480         * gengtype-lex.l: Don't handle "@@".
 481         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
 482         objc_build_synchronized, objc_begin_try_stmt,
 483         objc_begin_catch_clause, objc_finish_catch_clause,
 484         objc_build_finally_clause, objc_finish_try_stmt): New.
 485         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
 486         type_seen_p.
 487         (c_parse_init): Update comment.
 488         * c-decl.c (c_init_decl_processing): Update comment.
 489         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
 490         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
 491         new c_declspecs members.
 492
 493 2005-02-25  Julian Brown  <julian@codesourcery.com>
 494
 495         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
 496         from being used for symbols with vague linkage when
 497         HAVE_GAS_COMDAT_GROUP is true.
 498
 499 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 500
 501         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
 502
 503 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
 504
 505         PR target/19930
 506         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
 507         (LIBGCC2_HAS_DF_MODE): New.
 508         (LIBGCC2_HAS_XF_MODE): New.
 509         (LIBGCC2_HAS_TF_MODE): New.
 510         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 511         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 512         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
 513         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
 514         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
 515         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
 516         and add _fixtfdi, _fixunstfdi, _floatditf
 517         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
 518         L_fixunstfdi, L_floatditf.
 519         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
 520         (LIBGCC2_HAS_TF_MODE): Define.
 521
 522 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
 523
 524         PR tree-optimization/20204
 525         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
 526         REWRITE_THIS_STMT markers on PHI nodes.
 527         (rewrite_initialize_block): Likewise.
 528
 529 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
 530
 531         * version.c (version_string): Update to 4.1.
 532
 533 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
 534
 535         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
 536         Clarify that the alternative way doesn't work in GNU C++.
 537
 538 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
 539
 540         PR tree-optimization/19937
 541         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
 542         to the type of the induction variable.
 543
 544 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
 545
 546         PR rtl-optimization/20117
 547         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
 548         the block including noncopyable insn.
 549
 550 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 551
 552         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
 553         calls to find_reg_note.
 554
 555 2005-02-24  Richard Henderson  <rth@redhat.com>
 556
 557         PR tree-opt/20127
 558         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
 559         the type.
 560
 561 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
 562
 563         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
 564         vector types if to use base reg for misaligned non-word ld/std.
 565
 566 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 567
 568         PR target/14619
 569         * config/cris/cris.c (cris_target_asm_function_prologue): Create
 570         dwarf2 label manually and put it after, not before the prologue.
 571
 572 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
 573
 574         PR target/19019
 575         * reload.c (operands_match_p): Only increment register number for
 576         SCALAR_INT_MODE_P modes in multiple hard registers.
 577
 578         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
 579         Fix formatting.
 580
 581 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 582
 583         * ChangeLog.5: Fix log message typo(s).
 584         * ChangeLog.7: Likewise.
 585         * ChangeLog.tree-ssa: Likewise.
 586         * cfgexpand.c: Fix comment typo(s).
 587         * conflict.c: Likewise.
 588         * defaults.h: Likewise.
 589         * dwarf2out.c: Likewise.
 590         * gcse.c: Likewise.
 591         * ggc-page.c: Likewise.
 592         * tree-eh.c: Likewise.
 593         * tree-ssa-dom.c: Likewise.
 594
 595 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
 596
 597         PR target/19019
 598         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
 599         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
 600         if SHARED is defined.
 601
 602         PR target/20196
 603         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
 604         allow splitting only if operands 0 and 3 don't overlap.
 605
 606 2005-02-24  Richard Henderson  <rth@redhat.com>
 607
 608         PR middle-end/19953
 609         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
 610         (fold_builtin_1): Call them.
 611         * fold-const.c (fold_complex_mult_parts): Split out from ...
 612         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
 613         (fold_complex_div_parts, fold_complex_div): New.
 614         (fold): Use them.
 615         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
 616
 617 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
 618
 619         * tree-ssa-ccp.c (visit_assignment): Verify that result of
 620         VIEW_CONVERT_EXPR is_gimple_min_invariant.
 621
 622         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
 623         (print_node): Likewise.
 624         Print TYPE_SIZES_GIMPLIFIED.
 625
 626 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
 627
 628         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
 629         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
 630         operands as commutative in constraints.
 631
 632 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
 633
 634         * tree-into-ssa.c: Re-organize internal functions.
 635
 636 2005-02-24  Richard Henderson  <rth@redhat.com>
 637
 638         PR middle-end/18902
 639         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
 640         for c99.
 641         * common.opt (fcx-limited-range): New.
 642         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
 643         * toplev.c (flag_complex_method): Initialize to 1.
 644         (process_options): Set flag_complex_method to 0 if
 645         flag_cx_limited_range.
 646         * doc/invoke.texi (-fcx-limited-range): New.
 647
 648 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
 649
 650         * cse.c (delete_trivially_dead_insns): Speed up by using
 651         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
 652         prev_real_insn.
 653
 654 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
 655
 656         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
 657         functions when -mid-shared-library is being used.
 658
 659 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
 660
 661         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
 662         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
 663         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
 664         * system.h: Poison LINK_LIBGCC_SPECIAL.
 665
 666 2005-02-23  James E Wilson  <wilson@specifixinc.com>
 667
 668         * gengtype.c (note_insn_name): Make 1 element larger.
 669
 670 2005-02-23  Roger Sayle  <roger@eyesopen.com>
 671
 672         PR target/20018
 673         PR rtl-optimization/20097
 674         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
 675         BImode SUBREGs of SImode registers which confuse the ia64 backend.
 676
 677 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
 678
 679         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
 680         * t-aix52 (SHLIB_INSTALL): Same.
 681
 682 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
 683
 684         * genpreds.c: Update copyright.
 685
 686 2005-02-23  Michael Beach  <michaelb@ieee.org>
 687
 688         PR target/20159
 689         * config/sparc/t-elf (startup files): Assemble with CPP.
 690
 691 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
 692
 693         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
 694         (write_predicate_expr): Likewise.
 695
 696 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 697
 698         PR tree-optimization/20100
 699         PR tree-optimization/20115
 700         * tree-optimize.c (init_tree_optimization_passes): Remove
 701         pass_maybe_create_global_var.
 702         * tree-pass.h (pass_maybe_create_global_var): Remove.
 703         * tree-ssa-alias.c (aliases_computed_p): Declare.
 704         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
 705         (count_calls_and_maybe_create_global_var): Remove.
 706         (pass_maybe_create_global_var): Remove.
 707         (init_alias_info): Do not declare aliases_computed_p.
 708         (maybe_create_global_var): If the function contains no
 709         call-clobbered variables and a mix of pure/const and regular
 710         function calls, create .GLOBAL_VAR.
 711         Mark all call-clobbered variables for renaming.
 712         (merge_pointed_to_info): Update comment.
 713         (add_pointed_to_var): Likewise.
 714         (is_escape_site): Likewise.
 715         Accept struct alias_info * instead of size_t *.
 716         Update all users.
 717         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
 718         as necessary.
 719         * tree-ssa-operands.c (get_call_expr_operands): If
 720         ALIASES_COMPUTED_P is false, do not add call-clobbering
 721         operands.
 722         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
 723         (delete_tree_ssa): Likewise.
 724
 725 2005-02-22  James E Wilson  <wilson@specifixinc.com>
 726
 727         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
 728         (do_compile): Do call it here.
 729
 730 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 731
 732         PR rtl-optimization/20017.
 733         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
 734         rest_of_handle_cse2, rest_of_handle_gcse): Call
 735         delete_dead_jumptables immediately before calling cleanup_cfg.
 736
 737 2005-02-22  Devang Patel  <dpatel@apple.com>
 738
 739         PR 19952
 740         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
 741         all labels
 742
 743 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
 744
 745         * config/rs6000/aix.h (WINT_TYPE): Define.
 746
 747 2005-02-22  Stan Shebs  <shebs@apple.com>
 748
 749         * config/rs6000/rs6000.c (rs6000_override_options): Default to
 750         natural alignment for 64-bit Darwin.
 751         (rs6000_parse_alignment_option): Warn about uses of -malign-power
 752         on 64-bit Darwin.
 753         * doc/invoke.texi: Document this.
 754
 755 2005-02-22  DJ Delorie  <dj@redhat.com>
 756
 757         * c-common.c (c_common_type_for_mode): Pass the mode's precision
 758         to make_[un]signed_type, not the mode itself.
 759
 760 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
 761
 762         * cfg.c (cached_make_edge): Call make_edge if edge cache is
 763         not available.  Use tail calls wherever possible.
 764         (make_edge): Call unchecked_make_edge to create an edge.
 765
 766         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
 767         (coalesce_ssa_name): Don't check for
 768         SSANORM_USE_COALESCE_LIST.
 769         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
 770
 771 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
 772
 773         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
 774         (rewrite_into_ssa): ... here.
 775
 776 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
 777
 778         PR tree-optimization/19786
 779         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
 780         tag to another's may-alias bitmap when adding to the other's list.
 781
 782 2005-02-21  DJ Delorie  <dj@redhat.com>
 783
 784         * tree-ssa-loop-ivopts.c (computation_cost): Start register
 785         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
 786         registers in unsupported ways.
 787         * expmed.c (init_expmed): Likewise.
 788
 789 2005-02-21  Stan Cox  <scox@redhat.com>
 790
 791         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
 792
 793 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 794
 795         * tree-cfg.c (fold_cond_expr_cond): New.
 796         (make_edges): Call fold_cond_expr_cond.
 797         (find_taken_edge): Accept nothing but INTEGER_CST.
 798         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
 799         and 1.
 800         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
 801
 802         * flow.c (delete_dead_jumptables): Speed up by scanning insns
 803         that do not belong to any basic block.
 804
 805 2005-02-21  Jeff Law  <law@redhat.com>
 806
 807         * cfganal.c (find_unreachable_blocks): Manually CSE load of
 808         e->dest.
 809
 810 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
 811
 812         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
 813         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
 814         Adjust their definitions.
 815         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
 816         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
 817
 818         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
 819         genautomata.c, langhooks.c, langhooks.h, system.h,
 820         config/arm/lib1funcs.asm: Update copyright.
 821
 822 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
 823
 824         * dbxout.c (dbxout_function_end): Emit Lscope label always.
 825
 826 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
 827
 828         PR bootstrap/13770
 829         * doc/install.texi: Document --with-gc.
 830
 831 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
 832
 833         * simplify-rtx.c (simplify_unary_operation): Add a missing
 834         "break" statement.
 835
 836 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
 837
 838         PR tree-optimization/18663
 839         * tree-ssa-dom.c (extract_range_from_cond): Return 0
 840         if the type has variable bounds.
 841
 842 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
 843
 844         * gcse.c: Remove an obsolete comment.
 845
 846         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
 847
 848 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
 849
 850         * doc/extend.texi (Function Attributes) <Attribute const>: The
 851         attribute "pure" is below this text, not above.
 852
 853 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 854
 855         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
 856         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
 857         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
 858
 859 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
 860
 861         PR 18785
 862         * langhooks.h (struct lang_hooks): Add to_target_charset.
 863         * langhooks.c (lhd_to_target_charset): New function.
 864         * langhooks-def.h: Declare lhd_to_target_charset.
 865         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
 866         (LANG_HOOKS_INITIALIZER): Update.
 867         * c-common.c (c_common_to_target_charset): New function.
 868         * c-common.h: Declare it.
 869         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
 870         c_common_to_target_charset.
 871
 872         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
 873         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
 874         Delete definitions.
 875         * system.h: Poison them.
 876         * doc/tm.texi: Don't discuss them.
 877         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
 878         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
 879         (pp_c_char): Do not attempt to generate letter escapes for
 880         newline, tab, etc.
 881         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
 882         * config/mips/mips.c (mips_output_ascii): Likewise.
 883
 884 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
 885
 886         PR tree-optimization/19951
 887         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
 888         is abnormal.
 889
 890 2005-02-19  Steven Bosscher  <stevenb@suse.de>
 891
 892         PR middle-end/19698
 893         * function.h (struct function): New field `max_loop_depth'.
 894         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
 895         (flow_loops_find): Reset the max loop depth count before finding loops.
 896         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
 897         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
 898         (calculate_global_regs_live): Make sure the loop will terminate
 899         when the initial sets are not empty.
 900
 901 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
 902
 903         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
 904         object inside.
 905         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
 906
 907 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
 908
 909         PR other/19525
 910         * doc/invoke.texi: Remove documentation of %M spec.
 911         * gcc.c: Likewise.
 912         (init_spec): Remove %M suffix from -lgcc_s.
 913         (do_spec_1): Remove 'M' case.
 914         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
 915         to put shared libraries in the multilib directory.  Remove the
 916         shlib_so_soname substitution variable.  Don't add a multilib encoding
 917         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
 918         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
 919         SHLIB_INSTALL as well as SHLIB_LINK.
 920         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
 921         (SHLIB_NAME): Delete.
 922         (SHLIB_DIR): New macro.
 923         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
 924         (SHLIB_INSTALL): Adjust accordingly.
 925         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
 926         * config/t-slibgcc-sld: Likewise.
 927         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
 928         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
 929         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
 930         in $(SHLIB_DIR).
 931         (SHLIBUNWIND_INSTALL): Adjust accordingly.
 932         * config/i386/t-nwld (SHLIB_SONAME): Delete.
 933         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
 934         Use @shlib_base_name@ instead of @shlib_so_name@.
 935         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
 936         and @shlib_base_name@.so in @multilib_dir@.
 937         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
 938         to the install path.
 939         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
 940         (SHLIB_LINK): Remove previous workaround.
 941         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
 942         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
 943         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
 944         the install path.
 945         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
 946         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
 947         (SHLIB_INSTALL): Adjust accordingly.
 948         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
 949         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
 950         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
 951         config/t-slibgcc-elf-ver.
 952
 953 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
 954             Jakub Jelinek  <jakub@redhat.com>
 955
 956         PR tree-optimization/19828
 957         * tree-ssa-loop-im.c: Add a TODO comment.
 958         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
 959         without side-effects.
 960
 961 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
 962
 963         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
 964         call fold_convert.
 965
 966 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
 967
 968         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
 969         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
 970         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
 971         functions.
 972         (ia64_reorg): Delete fixup_errata call.
 973         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
 974         (TARGET_SWITCHES): Delete -mb-step entry.
 975
 976 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
 977
 978         PR c/20043
 979         * c-typeck.c (composite_type): Handle quals in transparent unions.
 980         (type_lists_compatible_p): Likewise.
 981
 982 2005-02-18  Stan Shebs  <shebs@apple.com>
 983
 984         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
 985         expressions in the .literal8 section.
 986
 987 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
 988
 989         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
 990
 991 2005-02-18  Roger Sayle  <roger@eyesopen.com>
 992
 993         * fold-const.c (constant_boolean_node): Always create values of the
 994         specified type, don't bother calling truthvalue_conversion.
 995
 996 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
 997
 998         * except.c (output_function_exception_table): Call
 999         assemble_external_libcall (eh_personality_libfunc).
1000
1001 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1002
1003         PR target/19886
1004         * config/ia64/ia64.h (struct machine_function): Add state_num.
1005         * config/ia64/ia64.c (process_epilogue,
1006         process_for_unwind_directive): Use new unwind state numbers each
1007         time rather than state 1.
1008
1009 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
1010
1011         PR target/20054
1012         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
1013         before the "*llgt_didi" pattern.
1014
1015 2005-02-18  Jason Merrill  <jason@redhat.com>
1016
1017         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
1018
1019 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
1020
1021         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
1022         (div0): Use it in place of ARM_FUNC_ALIAS.
1023         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
1024
1025 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
1026
1027         PR middle-end/20030
1028         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
1029         access, the lower bound of the array type if it exists.
1030
1031 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
1032
1033         PR c++/20008
1034         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
1035         cases that are out-of-range for the index type.
1036
1037 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
1038
1039         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
1040         (estimate_case_costs): Don't call convert.
1041         * expmed.c (expand_shift): Likewise.
1042         (make_tree): Call fold_convert instead of convert.
1043
1044 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1045
1046         PR c++/19813
1047         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
1048         that ref to be marked MEM_READONLY_P doesn't have base that needs
1049         constructing.
1050
1051 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
1052
1053         * genautomata.c (output_get_cpu_unit_code_func,
1054         output_cpu_unit_reservation_p): Don't generate old-style function
1055         definitions.
1056
1057 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
1058
1059         PR c++/20023
1060         PR tree-optimization/20009
1061         * convert.c (convert_to_integer): Revert 2005-02-16 change.
1062
1063         PR tree-optimization/18947
1064         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
1065         inline, remove all nodes that are inlined into the extern inline
1066         being redefined.
1067
1068 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1069
1070         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
1071         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
1072         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
1073         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
1074         Update copyright.
1075
1076 2005-02-17  Roger Sayle  <roger@eyesopen.com>
1077
1078         PR tree-optimization/19917
1079         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
1080         to be potentially trapping.
1081
1082 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
1083
1084         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
1085
1086 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1087
1088         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
1089         tem becomes a local variable which is set to the value of the
1090         back end defined INITIAL_FRAME_ADDRESS macro.
1091         (expand_builtin_frame_address): Omit the base parameter to
1092         expand_builtin_return_addr.
1093         (expand_builtin_profile_func): Likewise.
1094         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
1095         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
1096         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
1097
1098 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
1099
1100         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
1101         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
1102         * config/frv/frv.c (frv_function_epilogue): Likewise.
1103
1104 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
1105
1106         * lambda-code (perfect_nestify): Remove mark/unmark
1107         for rewriting hack.
1108         * tree-loop-linear.c (linear_transform_loops): Add
1109         rewrite_into_ssa call so that ssa is correct for
1110         rewriting into loop closed.
1111
1112 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
1113
1114         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
1115         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
1116         BITMAP_FREE.
1117         * bt-load.c (btr_def_live_range, combine_btr_defs,
1118         migrate_btr_def, migrate_btr_defs): Likewise.
1119         * cfgcleanup.c (thread_jump): Likewise.
1120         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
1121         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
1122         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
1123         df_rd_local_compute, df_reg_info_compute): Likewise.
1124         * dominance.c (init_dom_info, free_dom_info): Likewise.
1125         * flow.c (init_propagate_block_info,
1126         free_propagate_block_info): Likewise.
1127         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
1128         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
1129         modify_reg_pav): Likewise.
1130         * loop-invariant.c (find_defs, find_invariant_insn,
1131         find_invariants, free_inv_motion_data): Likewise.
1132         * predict.c (tree_predict_by_opcode,
1133         estimate_bb_frequencies): Likewise.
1134         * stmt.c (expand_case): Likewise.
1135         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
1136         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
1137         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
1138         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
1139         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
1140         rewrite_ssa_into_ssa): Likewise.
1141         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1142         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
1143         analyze_edges_for_bb, perform_edge_inserts): Likewise.
1144         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
1145         * tree-sra.c (tree_sra): Likewise.
1146         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
1147         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
1148         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
1149         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
1150         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
1151         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
1152         Likewise.
1153         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
1154         calculate_live_on_entry, calculate_live_on_exit,
1155         build_tree_conflict_graph): Likewise.
1156         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
1157         record_important_candidates, set_use_iv_cost, find_depends,
1158         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
1159         tree_ssa_iv_optimize_finalize): Likewise.
1160         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
1161         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
1162         tree_duplicate_loop_to_header_edge): Likewise.
1163         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
1164         * tree-ssa.c (verify_flow_insensitive_alias_info,
1165         verify_name_tags, verify_ssa, init_tree_ssa,
1166         delete_tree_ssa): Likewise.
1167         * tree-ssanames.c (marked_ssa_names, init_ssanames,
1168         fini_ssanames): Likewise.
1169         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
1170
1171 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
1172
1173         * config/rs6000/t-rtems: Completely reworked.
1174
1175 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1176
1177         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
1178
1179 2005-02-17  Ira Rosen  <irar@il.ibm.com>
1180
1181         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
1182         POINTER_TYPE_P when checking that type is a pointer.
1183         (vect_get_memtag): Remove.
1184         (vect_address_analysis): Use POINTER_TYPE_P. Call
1185         vect_object_analysis with dummy parameter for memtag.
1186         (vect_object_analysis): Extract memtag (functionality that
1187         used to be in vect_get_memtag and moved here). Fix printings.
1188         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
1189         with correct parameters. Remove call to vect_get_memtag.
1190
1191 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
1192
1193         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
1194         (tree-vectorizer.o): Added missing dependencies.
1195
1196         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
1197         decleration.
1198         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
1199         declaration in tree-vectorizer.c, now has an extern declaration in
1200         tree-vectorizer.h).
1201         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1202         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1203         get_vectype_for_scalar_type, vect_is_simple_use,
1204         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1205         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
1206         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
1207         vectorizable_store, vectorizable_operation, vectorizable_assignment,
1208         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
1209         find_loop_location): Likewise.
1210
1211         * tree-vectorizer.c (langhooks.h): #include removed.
1212         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
1213         moved to tree-vectorized.h.
1214         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
1215         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
1216         get_vectype_for_scalar_type, vect_is_simple_use,
1217         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
1218         vect_supportable_dr_alignment, new_loop_vec_info,
1219         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
1220         vect_set_verbosity_level, find_loop_location): Likewise.
1221
1222         (vect_analyze_loop): Function externalized. Declaration moved to
1223         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
1224         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
1225         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
1226         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
1227         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
1228         vect_enhance_data_refs_alignment, vect_analyze_operations,
1229         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
1230         vect_stmt_relevant_p, vect_get_loop_niters,
1231         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
1232         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
1233         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
1234         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
1235         vect_get_memtag): Likewise.
1236
1237         (vectorizable_load): Function externalized. Declaration moved to
1238         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
1239         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
1240         vect_transform_loop): Likewise.
1241         (vect_transform_stmt): Moved to tree-vect-transform.c.
1242         (vect_align_data_ref, vect_create_destination_var,
1243         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
1244         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
1245         vect_get_vec_def_for_operand, vect_init_vector,
1246         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
1247         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
1248         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
1249         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
1250         vect_do_peeling_for_loop_bound): Likewise.
1251
1252         * tree-vect-analyze.c: New file.
1253         * tree-vect-transform.c: New file.
1254
1255 2005-02-17  Jason Merrill  <jason@redhat.com>
1256
1257         PR mudflap/19319, c++/19317
1258         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
1259         slot explicit.
1260
1261 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
1262
1263         * doc/install.texi (Specific): Update link for Darwin-specific
1264         tool binary site.
1265
1266 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
1267
1268         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
1269         constant_boolean_node.
1270
1271 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
1272
1273         PR target/19019
1274         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
1275         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
1276
1277 2005-02-16  Richard Henderson  <rth@redhat.com>
1278
1279         PR 19920
1280         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
1281         with W_TYPE_SIZE.
1282         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
1283         replace uses with Wtype_MAXp1_F.
1284         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
1285         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
1286         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
1287         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
1288         and HAVE_TFMODE as appropriate.
1289         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
1290         (__floatdisf): Likewise.
1291         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
1292         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
1293         (Wtype_MAXp1_F): New.
1294         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
1295         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
1296
1297 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
1298
1299         * PR target/19162
1300         * arm.c (arm_apply_result_size): New function.
1301         * arm.h (APPLY_RESULT_SIZE): Define.
1302         * arm-protos.h (arm_apply_result_size): Add prototype.
1303         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
1304         (movxf): New expand.
1305         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
1306         (call_value_symbol): Remove predicate for operand 0.
1307         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
1308         (untyped_call): Rework to correclty return values for any type.
1309         (untyped_return): New expand.
1310         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
1311
1312 2005-02-16  Stan Shebs  <shebs@apple.com>
1313
1314         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
1315         * config/rs6000/t-darwin8: New, for 64-bit multilib.
1316
1317 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1318
1319         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
1320         configure settings on Solaris 7 and later.
1321
1322 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
1323
1324         PR tree-optimization/19865
1325         * tree-optimize.c (init_tree_optimization_passes): Run
1326         pass_may_alias after pass_sra.
1327
1328 2005-02-16  Richard Henderson  <rth@redhat.com>
1329             Stuart Hastings  <stuart@apple.com>
1330
1331         PR debug/19521
1332         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
1333         Do nothing if debug info suppressed for this function.
1334         (dbxout_begin_function): Early exit if debug info suppressed for
1335         this function.
1336
1337 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
1338
1339         PR target/20007
1340         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
1341         find_basic_blocks.
1342         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
1343
1344         PR tree-optimization/19967
1345         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
1346         expand_builtin_strchr, expand_builtin_strrchr): Take a new
1347         argument TYPE.  Adjust calls to fold_builtin_XXX.
1348         (expand_builtin, fold_builtin_1): Adjust calls to
1349         expand_builtin_XXX.
1350         (fold_builtin_strchr, fold_builtin_strpbrk,
1351         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
1352         result to a requested type TYPE.
1353
1354 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR middle-end/19857
1357         * fold-const.c (fold): Don't optimize (T)(x & cst) to
1358         (T)x & (T)cst if (T)cst overflows.
1359         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
1360         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
1361
1362 2005-02-15  Jeff Law  <law@redhat.com>
1363
1364         * gcse.c (blocks_with_calls): New bitmap.
1365         (alloc_gcse_mem): Allocate it.
1366         (free_gcse_mem): Free it.
1367         (clear_modifY_mem_tables): Clear it.
1368         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
1369         when we encounter CALL_INSNs.
1370         (compute_transp, case MEM): Handle blocks with calls separate
1371         from blocks without calls.  Use bitmap iterators rather than
1372         FOR_EACH_BB.
1373
1374 2005-02-15  Peter O'Gorman  <peter@pogma.com>
1375
1376         PR bootstrap/18810
1377         * mklibgcc.in (vis_hide): Use a temporary object file, not
1378         -o /dev/null.
1379
1380 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1381
1382         PR target/19924
1383         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
1384         access optimization.
1385
1386 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
1387             Alan Modra  <amodra@bigpond.net.au>
1388
1389         PR target/19019
1390         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
1391         (_xlqsub): Rename to __gcc_qsub.
1392         (_xlqmul): Rename to __gcc_qmul.
1393         (_xlqdiv): Rename to __gcc_qdiv.
1394         Provide versioned symbol aliases with old names.
1395         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
1396         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
1397         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
1398         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
1399         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
1400
1401 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1402
1403         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
1404         Fold ~(A - 1) and ~(A + -1) to -A.
1405
1406 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
1407
1408         PR pch/14940
1409         PR target/19300
1410         * config/host-linux.c (linux_gt_pch_use_address): Copy from
1411         config/pa/pa-host.c:pa_gt_pch_use_address.
1412
1413 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
1414
1415         * tree-vn.c (get_value_handle): Make sure that given an
1416         is_gimple_min_invariant expression, we always return it.
1417
1418 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1419
1420         * passes.c (rest_of_handle_gcse): Fix a comment.
1421
1422 2005-02-15  Jeff Law  <law@redhat.com>
1423
1424         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
1425         bitmap.
1426         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
1427         (canon_list_insert, record_last_mem_set_info): Similarly.
1428         (clear_modify_mem_tables): Similarly.
1429
1430 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
1431
1432         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
1433         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
1434         config/mips/mips.md, config/rs6000/aix.h,
1435         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
1436
1437 2005-02-15  Richard Henderson  <rth@redhat.com>
1438
1439         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
1440         call to be best_edge.
1441
1442 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1443
1444         * basic-block.h: Adjust the prototype for find_basic_blocks.
1445         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
1446         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
1447         find_basic_blocks.
1448
1449         * flow.c (recompute_reg_usage): Remove all arguments.
1450         * passes.c (rest_of_compilation): Adjust the call to
1451         recompute_reg_usage.
1452         * rtl.h: Adjust the prototype for recompute_reg_usage.
1453
1454 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
1455
1456         * tree-dump.c (dump_files): Update to reflect new member
1457         of dump_file_info.
1458         (dump_register): Add new argument.
1459         Set glob name.
1460         (dump_switch_p_1): Check against glob name if doglob was passed.
1461         (dump_switch_p): Check against regular first, then glob if
1462         we didn't have any hits on the dump name.
1463         * tree-optimize.c (register_one_dump_file):
1464         Pass in glob name as well.
1465         * tree-pass.h (struct dump_file_info): Add glob
1466         member.
1467
1468 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
1469
1470         PR preprocessor/16323
1471         * doc/invoke.texi: Document that -Wendif-labels is on by default.
1472
1473 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
1474
1475         PR target/19019
1476         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
1477         (trunctfdf2_internal1): New.
1478         (trunctfdf2_internal2): Renamed from trunctfdf2.
1479
1480 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
1481
1482         PR tree-optimization/19853
1483         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
1484
1485 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
1486
1487         * passes.c (rest_of_handle_loop_optimize): Remove calls to
1488         delete_dead_jumptables and cleanup_cfg.
1489
1490 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
1491
1492         * reload.c (find_reloads): Swap address_reloaded flags when
1493         swapping commutative operands.
1494
1495 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
1496
1497         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
1498         Use standard_iv_increment_position for computing the bsi position
1499         for create_iv.
1500         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
1501         the bsi position.
1502
1503 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
1504
1505         PR target/17428
1506         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
1507         life range of hard registers.
1508         * value-prof.c (insn_prefetch_values_to_profile): Only
1509         scan normal insns.
1510
1511         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
1512         profile in libcalls.
1513
1514 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
1515
1516         * bitmap.h (bitmap_and_compl_into): Return bool.
1517         * bitmap.c (bitmap_and_compl_into): Return changed flag.
1518
1519 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1520
1521         PR tree-optimization/19944
1522         * fold-const.c (fold): Re-add ABS_EXPR folding.
1523
1524 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
1525
1526         PR target/19019
1527         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
1528         {TARGET,MASK}_XL_COMPAT.
1529         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
1530         MASK_XL_COMPAT.
1531         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
1532         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
1533         TARGET_XL_COMPAT.
1534         (rs6000_arg_partial_bytes): Same.
1535         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
1536         and XL compatibility enabled.
1537         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
1538         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
1539         test to final condition.
1540         (cmptf_internal2): New.
1541         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
1542         xl-compat.  Add TFmode information to description.
1543
1544 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
1545
1546         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
1547
1548 2005-02-13  Jason Merrill  <jason@redhat.com>
1549
1550         PR c++/16405
1551         * fold-const.c (fold_indirect_ref_1): Split out from...
1552         (build_fold_indirect_ref): Here.
1553         (fold_indirect_ref): New fn.
1554         * tree.h: Declare it.
1555         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
1556         (gimplify_modify_expr_rhs): Likewise.
1557         (gimplify_expr): Likewise.
1558
1559 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
1560
1561         PR tree-optimization/14303
1562         PR tree-optimization/15784
1563         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
1564         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
1565         ABS_EXPR<x> != 0 to x != 0.
1566
1567 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
1568
1569         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
1570         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
1571         spelling conventions.
1572
1573         * passes.c (rest_of_handle_gcse): Don't run cse_main and
1574         delete_trivially_dead_insns too many times.
1575
1576         * passes.c (rest_of_handle_gcse): Remove dead assignments to
1577         tem and tem2.
1578
1579 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1580
1581         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
1582         (vect_is_simple_iv_evolution): Remove redundant parameter
1583         and step check.
1584         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
1585         without last parameter.
1586         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
1587         Return pointer step. Call vect_is_simple_iv_evolution without
1588         last parameter. Check only that the step is multiple of size
1589         type. Remove stmt_vinfo updates.
1590         (vect_get_memtag_and_dr): Remove.
1591         (vect_get_memtag): New function.
1592         (vect_address_analysis): New function.
1593         (vect_object_analysis): New function.
1594         (vect_analyze_data_refs): Call vect_object_analysis and
1595         vect_get_memtag. Update stmt_vinfo fields.
1596
1597 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1598
1599         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
1600         exist and are objects. Remove checks for pointer.
1601         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
1602         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
1603         (vect_create_data_ref_ptr): Likewise.
1604         (vect_base_addr_differ_p): New function.
1605         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
1606         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
1607         Don't set the DR_BASE_NAME field of data-ref.
1608         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
1609
1610 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
1611
1612         * optabs.h (enum optab_index): Add new OTI_ldexp.
1613         (ldexp_optab): Define corresponding macro.
1614         * optabs.c (init_optabs): Initialize ldexp_optab.
1615         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
1616         patterns.
1617         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
1618         using ldexp_optab.
1619         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
1620         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
1621
1622         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
1623         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
1624         intrinsics.
1625
1626 2005-02-12  Ira Rosen  <irar@il.ibm.com>
1627
1628         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
1629         to base_address.
1630         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
1631         stmt_vec_info.
1632         (vect_get_base_and_offset): Always return an address.
1633         (vect_create_addr_base_for_vector_ref): Remove treatment for
1634         different data reference types.
1635         (vect_compute_data_ref_alignment): Rename base to base_address in
1636         stmt_vec_info. Get the object in order to force its alignment.
1637         (vect_get_memtag_and_dr): Rename base to base_address in
1638         stmt_vec_info. Extract the object for memtag analysis.
1639
1640 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
1641
1642         PR regression/19898.
1643         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
1644         changes cc_status, use apply modified_in_p to part of cc_status
1645         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
1646         body.
1647
1648 2005-02-11  Richard Henderson  <rth@redhat.com>
1649
1650         * tree-complex.c (expand_complex_libcall): New.
1651         (expand_complex_multiplication): Use it for c99 compliance.
1652         (expand_complex_division): Likewise.
1653         * fold-const.c (fold_complex_add, fold_complex_mult): New.
1654         (fold): Call them.
1655         * builtins.c (built_in_names): Remove const.
1656         * tree.c (build_common_builtin_nodes): Build complex arithmetic
1657         builtins.
1658         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
1659         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
1660         (built_in_names): Remove const.
1661         * c-common.c (c_common_type_for_mode): Handle complex modes.
1662         * flags.h, toplev.c (flag_complex_method): Rename from
1663         flag_complex_divide_method.
1664         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
1665         __mulsc3, __muldc3, __mulxc3, __multc3): New.
1666         * libgcc2.h: Declare them.
1667         * libgcc-std.ver: Export them.
1668         * mklibgcc.in (lib2funcs): Build them.
1669
1670 2005-02-11  Steven Bosscher  <stevenb@suse.de>
1671
1672         PR tree-optimization/19876
1673         Partially revert my change from 2005-01-14
1674         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
1675         (compute_antic): ...and remove the loop here.
1676
1677 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
1678
1679         PR middle-end/19858
1680         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
1681         is number of inner's bits, avoid creating a BIT_FIELD_REF.
1682
1683         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
1684         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
1685
1686 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
1687
1688         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1689         offsets for the big-endian 32-bit case.
1690
1691 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
1692
1693         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1694
1695 2005-02-11  Dale Johannesen  <dalej@apple.com>
1696
1697         * cselib.c (cselib_process_insn):  Clear out regs where
1698         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
1699         * reload.c (find_equiv_reg): Ditto.
1700
1701 2005-02-11  Ian Lance Taylor  <ian@airs.com>
1702
1703         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
1704         with no elements.
1705
1706         * tree.c (build_function_type_list): Work correctly if there are
1707         no arguments.
1708
1709 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
1710
1711         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
1712         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
1713         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
1714         TARGET_ZARCH instead of TARGET_64BIT.
1715
1716 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
1717
1718         * config/rs6000/t-rtems:
1719         (MULTILIB_OPTIONS): Remove mcpu=602.
1720         (MUTLILIB_DIRNAMES): Remove m602.
1721         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
1722         Let mcpu=602 match mcpu=603.
1723         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
1724
1725 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1726
1727         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
1728         signal trampolines.
1729
1730 2005-02-10  David Daney  <ddaney@avtrex.com>
1731
1732         * config/alpha/linux-unwind.h: Add exception clause to copyright.
1733         * config/i386/linux-unwind.h: Likewise.
1734         * config/ia64/linux-unwind.h: Likewise.
1735         * config/mips/linux-unwind.h: Likewise.
1736         * config/pa/linux-unwind.h: Likewise.
1737         * config/rs6000/linux-unwind.h: Likewise.
1738         * config/s390/linux-unwind.h: Likewise.
1739         * config/sh/linux-unwind.h: Likewise.
1740         * config/sparc/linux-unwind.h: Likewise.
1741
1742 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1743
1744         PR tree-optimization/17549
1745         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
1746         TER to replace a DEF with its expression if the DEF and the
1747         rhs of the expression we replace into have the same root
1748         variable.
1749
1750 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
1751
1752         * config/mips/mips.md: Fix the placement of the match_scratch in the
1753         lea64 peephole2.
1754
1755 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1756
1757         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
1758         Fix comment typos.
1759
1760 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
1761
1762         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
1763         (strip_offset): Handle addresses.
1764         (add_address_candidates): Use strip_offset.
1765         (difference_cost): Reflect strip_offset change.
1766         (force_var_cost, difference_cost): Strip nops.
1767
1768 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
1769
1770         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
1771
1772         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
1773         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
1774         config/cris/cris-protos.h, config/cris/cris.c: Update
1775         copyright.
1776
1777 2005-02-10  Jeff Law  <law@redhat.com>
1778
1779         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
1780         (lookup_avail_expr): Similarly.
1781
1782 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
1783
1784         * builtins.c (fold_builtin_powi): New function.
1785         (fold_builtin_1): Call it.
1786
1787 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1788
1789         PR documentation/19309
1790         * doc/cpp.texi: The __GNUC__ and related predefined macros
1791         are also defined for the "standalone" cpp.
1792         Some non-GCC compilers may also define __GNUC__.
1793
1794 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
1795
1796         PR c/19342
1797         * c-typeck.c (common_type): New routine.  Old common_type renamed
1798         to...
1799         (c_common_type): ...this.
1800         (build_conditional_expr, build_binary_op): Use c_common_type instead
1801         of common_type.
1802
1803 2005-02-10  Steven Bosscher  <stevenb@suse.de>
1804
1805         * doc/md.texi: Replace @samp{length} with @code{length}.
1806
1807 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
1808
1809         PR tree-optimization/18687
1810         * tree-flow.h (find_loop_niter): Declare.
1811         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1812         Try using scev even for loops with more than one exit.
1813         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
1814         (struct ivopts_data): Added niters field.
1815         (struct nfe_cache_elt): New.
1816         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
1817         functions.
1818         (tree_ssa_iv_optimize_init): Initialize niters cache.
1819         (determine_number_of_iterations): Removed.
1820         (find_induction_variables): Do not call determine_number_of_iterations.
1821         Access niters for single exit through niter_for_single_dom_exit.
1822         (add_iv_outer_candidates): Access niters for single exit through
1823         niter_for_single_dom_exit.
1824         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
1825         number_of_iterations_cond.
1826         (iv_period): New function.
1827         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
1828         (may_replace_final_value): Take data argument.  Use
1829         niter_for_single_dom_exit.
1830         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
1831         (rewrite_use_compare): Pass data to may_eliminate_iv.
1832         (rewrite_use_outer): Pass data to may_replace_final_value.
1833         (free_loop_data): Clean up the niters cache.
1834         (tree_ssa_iv_optimize_finalize): Free the niters cache.
1835         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
1836         * tree-ssa-loop-niter.c (find_loop_niter): New function.
1837         (find_loop_niter_by_eval): Use tree_int_cst_lt.
1838         (num_ending_zeros): Moved to tree.c.
1839         * tree.h (num_ending_zeros): Declare.
1840         * tree.c (num_ending_zeros): Moved from tree.c.
1841
1842 2005-02-09  Richard Henderson  <rth@redhat.com>
1843
1844         * builtins.c (DEF_BUILTIN): Add COND argument.
1845         * tree.h (DEF_BUILTIN): Likewise.
1846         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
1847         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
1848         match.
1849         (DEF_BUILTIN_STUB): New.
1850         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
1851         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
1852         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
1853         * c-common.c (DEF_BUILTIN): Add COND argument.
1854         * tree.c (local_define_builtin): New.
1855         (build_common_builtin_nodes): New.
1856
1857 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1858
1859         * fold-const.c (fold_strip_sign_ops): New function to simplify a
1860         floating point expression ignoring the sign of the result.
1861         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
1862         (fold) <MULT_EXPR>: Use it to simplify x*x.
1863         * tree.h (fold_strip_sign_ops): Prototype here.
1864         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
1865         argument.  Use fold_strip_sign_ops to simplify the first argument.
1866         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
1867         first argument when the second argument is an even integer
1868         constant, but only with -funsafe_math_optimizations.
1869         (fold_builtin_1): Update call to fold_builtin_copysign.
1870
1871 2005-02-09  Ian Lance Taylor  <ian@airs.com>
1872
1873         PR middle-end/19583
1874         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
1875         just check whether EH_FILTER_FAILURE falls through.
1876
1877 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
1878
1879         * gcc/haifa-sched.c (schedule_block): Make queued sched group
1880         insns return to ready list in the next turn.
1881
1882 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1883
1884         PR middle-end/19402
1885         * builtins.def: New __builtin_powi[lf].
1886         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
1887         (expand_builtin_powi): New function.
1888         (expand_builtin): Dispatch to expand_builtin_powi.
1889         * libgcc2.h: Add prototypes for __builtin_powi[lf].
1890         * libgcc2.c: Add __builtin_powi[lf] implementation.
1891         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
1892         * optabs.h: Add powi_optab.
1893         * optabs.c (init_optabs): Initialize powi_optab.
1894         * doc/extend.texi: Document __builtin_powi[lf].
1895
1896 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
1897
1898         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
1899         exists.
1900
1901 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
1902
1903         PR middle-end/19854
1904         * fold-const.c (try_move_mult_to_index): Remove redundant
1905         type argument.  Create ADDR_EXPR with correct type.
1906         (fold): Update callers of try_move_mult_to_index.  Convert
1907         result to the appropriate type.
1908
1909 2005-02-09  Roger Sayle  <roger@eyesopen.com>
1910
1911         PR target/19597
1912         * config/avr/avr.c (default_rtx_costs): Delete.
1913         (avr_operand_rtx_cost): New function.
1914         (avr_rtx_costs): Completely rewrite.
1915
1916 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
1917
1918         PR target/19806
1919         * config/cris/cris.c (in_code): New variable.
1920         (cris_output_addr_const): Now a static function, a wrapper for
1921         output_addr_const.
1922         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
1923         case from old cris_output_addr_const.
1924         (cris_asm_output_label_ref): Similar for LABEL_REF.
1925         (cris_output_addr_const_extra): Similar for UNSPEC.
1926         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
1927         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
1928         * config/cris/cris-protos.h (cris_output_addr_const): Remove
1929         declaration.
1930         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
1931         (cris_asm_output_label_ref): Declare.
1932
1933 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
1934
1935         PR preprocessor/19801
1936         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
1937         filenames that changed when libcpp was moved to the toplevel.
1938
1939 2005-02-07  Roger Sayle  <roger@eyesopen.com>
1940
1941         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
1942         zero extensions of BImode operands.  Call lowpart_subreg instead
1943         of gen_lowpart_common and gen_lowpart_SUBREG.
1944
1945 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
1946
1947         PR ada/19489
1948         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
1949         * configure.ac: Set cc_for_cross_gnattools.
1950         * configure: Regenerate.
1951
1952 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
1953
1954         PR target/19803
1955         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
1956
1957 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1958
1959         PR debug/19327
1960         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
1961         of nested functions.
1962
1963 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
1964
1965         * doc/extend.texi: Document deprecated extensions allowing
1966         static floating-point members to have initializers and allowing
1967         floating-point literals in integral constant expressions.
1968
1969 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
1970
1971         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
1972         config/darwin7.h, config/mips/mips.c,
1973         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
1974         Update copyright.
1975
1976         * cse.c: Update comments.
1977
1978 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
1979
1980         PR middle-end/19775
1981         * builtins.c (fold_builtin_sqrt): Transform
1982         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
1983         pow(x,y*0.5).
1984
1985 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
1986             Dorit Naishlos  <dorit@il.ibm.com>
1987
1988         * doc/invoke.texi (ftree-vectorizer-verbose): New.
1989         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
1990         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
1991         was added.
1992         * tree.h (vect_set_verbosity_level): New extern function declaration
1993         added.
1994         * tree-vectorizer.h (verbosity_levels): New enum type.
1995         * tree-vectorizer.c (vect_debug_stats): Function removed.
1996         (vect_debug_details): Likewise.
1997         (vect_verbosity_level): Global variable was defined and initialized.
1998         (vect_dump): Global variable definition.
1999         (vect_print_dump_info): New function.
2000         (vect_set_dump_settings): New function.
2001         (vect_set_verbosity_level): New function.
2002         (vectorize_loops): Add call to vect_set_dump_settings.
2003
2004         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
2005         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2006         (slpeel_tree_peel_loop_to_edge): Likewise.
2007
2008         (vect_analyze_offset_expr): Call to vect_print_dump_info with
2009         appropriate verbosity level instead of call to vect_debug_details
2010         or vect_debug_stats.
2011         (vect_get_base_and_offset):
2012         (vect_create_addr_base_for_vector_ref):
2013         (get_vectype_for_scalar_type):
2014         (vect_create_data_ref_ptr):
2015         (vect_init_vector):
2016         (vect_get_vec_def_for_operand):
2017         (vect_finish_stmt_generation):
2018         (vectorizable_assignment):
2019         (vectorizable_operation):
2020         (vectorizable_store):
2021         (vectorizable_load):
2022         (vect_transform_stmt):
2023         (vect_update_ivs_after_vectorizer):
2024         (vect_do_peeling_for_loop_bound):
2025         (vect_update_inits_of_drs):
2026         (vect_do_peeling_for_alignment):
2027         (vect_transform_loop):
2028         (vect_is_simple_use):
2029         (vect_analyze_operations):
2030         (vect_is_simple_iv_evolution):
2031         (vect_analyze_scalar_cycles):
2032         (vect_analyze_data_ref_dependence):
2033         (vect_analyze_data_ref_dependences):
2034         (vect_compute_data_ref_alignment):
2035         (vect_enhance_data_refs_alignment):
2036         (vect_analyze_data_refs_alignment):
2037         (vect_analyze_data_ref_access):
2038         (vect_analyze_data_ref_accesses):
2039         (vect_analyze_pointer_ref_access):
2040         (vect_get_memtag_and_dr):
2041         (vect_analyze_data_refs):
2042         (vect_mark_relevant):
2043         (vect_stmt_relevant_p):
2044         (vect_mark_stmts_to_be_vectorized):
2045         (vect_can_advance_ivs_p):
2046         (vect_get_loop_niters):
2047         (vect_analyze_loop_form):
2048         (vect_analyze_loop):
2049         (vectorize_loops): Likewise.
2050
2051         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
2052         (vect_update_inits_of_drs):
2053         (vect_do_peeling_for_alignment):
2054         (vect_transform_loop):
2055         (vect_analyze_operations):
2056         (vect_analyze_scalar_cycles):
2057         (vect_analyze_data_ref_dependences):
2058         (vect_analyze_data_refs_alignment):
2059         (vect_analyze_data_ref_accesses):
2060         (vect_analyze_data_refs):
2061         (vect_mark_stmts_to_be_vectorized):
2062         (vect_get_loop_niters):
2063         (vect_analyze_loop_form):
2064         (vect_analyze_loop): Likewise.
2065         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
2066
2067 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
2068
2069         PR bootstrap/19796
2070         Revert:
2071         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
2072         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
2073         either -ffast-math or -funsafe-math-optimizations is in use.
2074
2075         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
2076         * config/mips/irix-csr.c: New file.
2077         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
2078         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
2079         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
2080         executables.
2081
2082 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
2083
2084         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
2085         redundant, incorrect definitions.
2086
2087         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
2088         expand.
2089         ("*tls_indirect_call"): New, reference hard regs directly.
2090         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
2091
2092 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2093
2094         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
2095         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
2096
2097 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2098
2099         PR rtl-optimization/19800
2100         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
2101         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
2102         gen_lowpart.
2103
2104 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
2105
2106         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
2107
2108 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
2109
2110         PR other/17135
2111         * doc/invoke.texi: Correct documentation of -freorder-functions.
2112
2113 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2114
2115         PR other/14402
2116         * doc/invoke.texi: Don't mention gccbug.
2117
2118 2005-02-06  Roger Sayle  <roger@eyesopen.com>
2119             Andrew Pinski  <pinskia@physics.uc.edu>
2120             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
2121
2122         * simplify-rtx.c (simplify_relational_operation_1): Simplify
2123         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
2124         into just (zero_extract:SI FOO (const_int 1) BAR).
2125
2126 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2127
2128         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
2129         macro locally.  Don't give last revision date.  Use GCC version
2130         number from gcc-common.texi.
2131         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
2132         revision date.  Use GCC version number from gcc-common.texi.
2133         Describe being a library as current state rather than as 3.x
2134         history.
2135         * doc/gcc.texi: Remove last update date.
2136         * doc/gccint.texi: Likewise.  Update copyright dates.
2137         * doc/install.texi: Update copyright dates.
2138
2139 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
2140
2141         PR other/7549
2142         * doc/invoke.texi: Mention for each option included in -Wall that
2143         it is included in -Wall.
2144         * doc/gcc.texi: Update copyright and last modification date.
2145
2146 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2147
2148         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
2149         unnecessary cast to original induction variable increments.
2150
2151 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
2152
2153         PR tree-optimization/18219
2154         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
2155         in distributed form.
2156
2157 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
2158
2159         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
2160         Set bitpos and offset later in the function.  Do nothing if the
2161         target is a register and if the bitfield lies completely outside
2162         that register.
2163         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
2164         here.  Return an uninitialised register if the source value is stored
2165         in a register and the bitfield lies completely outside that register.
2166
2167 2005-02-06  Steven Bosscher  <stevenb@suse.de>
2168
2169         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
2170         not SET_DEST.
2171
2172 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
2173
2174         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
2175
2176 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
2177
2178         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
2179         * config/darwin8.h: New.
2180         * config/darwin7.h: Update comment.
2181
2182 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2183             Dorit Naishlos  <dorit@il.ibm.com>
2184
2185         * tree-vectorizer.h (LOC): New type.
2186         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
2187         (loop_line_number): New field in struct _loop_vec_info.
2188         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
2189
2190         * tree-vectorizer.c (input.h): Included.
2191         (find_loop_location): New function.
2192         (vect_debug_stats): Argument changed from loop to LOC. Computation of
2193         loop line number removed.
2194         (vect_debug_details): Likewise.
2195         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
2196
2197         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
2198         call to vect_debug_details/stats changed from loop to loop_loc.
2199         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
2200         (slpeel_tree_peel_loop_to_edge): Likewise.
2201
2202         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
2203         changed from NULL to UNKNOWN_LOC.
2204         (vect_get_base_and_offset):
2205         (vect_create_addr_base_for_vector_ref):
2206         (get_vectype_for_scalar_type):
2207         (vect_create_data_ref_ptr):
2208         (vect_init_vector):
2209         (vect_get_vec_def_for_operand):
2210         (vect_finish_stmt_generation):
2211         (vectorizable_assignment):
2212         (vectorizable_operation):
2213         (vectorizable_store):
2214         (vectorizable_load):
2215         (vect_transform_stmt):
2216         (vect_update_ivs_after_vectorizer):
2217         (vect_do_peeling_for_loop_bound):
2218         (vect_do_peeling_for_alignment):
2219         (vect_transform_loop):
2220         (vect_is_simple_use):
2221         (vect_analyze_operations):
2222         (vect_is_simple_iv_evolution):
2223         (vect_analyze_scalar_cycles):
2224         (vect_analyze_data_ref_dependences):
2225         (vect_compute_data_ref_alignment):
2226         (vect_enhance_data_refs_alignment):
2227         (vect_analyze_data_ref_access):
2228         (vect_analyze_data_ref_accesses):
2229         (vect_analyze_pointer_ref_access):
2230         (vect_get_memtag_and_dr):
2231         (vect_analyze_data_refs):
2232         (vect_mark_relevant):
2233         (vect_stmt_relevant_p):
2234         (vect_mark_stmts_to_be_vectorized):
2235         (vect_can_advance_ivs_p):
2236         (vect_get_loop_niters):
2237         (vect_analyze_loop):
2238         (vectorize_loops): Likewise.
2239
2240         (vectorizable_load): Argument in call to vect_debug_details/stats
2241         changed from loop to LOOP_LOC (loop_vinfo).
2242         (vect_transform_loop):
2243         (vect_analyze_operations):
2244         (vect_analyze_scalar_cycles):
2245         (vect_analyze_data_ref_dependence):
2246         (vect_enhance_data_refs_alignment):
2247         (vect_analyze_data_ref_accesses):
2248         (vect_analyze_pointer_ref_access):
2249         (vect_analyze_data_refs):
2250         (vect_analyze_loop): Likewise.
2251
2252         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
2253         changed from loop to loop_loc.
2254
2255         (vect_enhance_data_refs_alignment): Removed unused variable loop.
2256
2257 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
2258             Dorit Naishlos  <dorit@il.ibm.com>
2259
2260         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
2261         declaration added.
2262         (vect_analyze_data_ref_dependences): Likewise.
2263
2264         (vect_is_simple_use): Argument changed from loop structure to
2265         loop_vect_info structure.
2266         (vect_can_advance_ivs_p): Likewise.
2267         (vect_create_index_for_vector_ref): Likewise.
2268         (vect_update_ivs_after_vectorizer): Likewise.
2269         (new_stmt_vec_info): Likewise.
2270
2271         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
2272         changed from loop to loop_vinfo.
2273         (vect_create_data_ref_ptr): First argument in call to
2274         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
2275         (vectorizable_assignment): Second argument in call to vect_is_simple_use
2276         was changed from loop to loop_vinfo.
2277         (vectorizable_operation): Likewise.
2278         (vectorizable_store): Likewise.
2279         (vect_mark_stmts_to_be_vectorized): Likewise.
2280         (vect_do_peeling_for_loop_bound): First argument in call to
2281         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
2282         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
2283         was changed from loop to loop_vinfo.
2284         (vect_analyze_data_ref_dependences): Third argument in call to
2285         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
2286
2287         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
2288         (vect_create_data_ref_ptr): Likewise.
2289         (vect_init_vector): Likewise.
2290         (vect_get_vec_def_for_operand): Likewise.
2291         (vectorizable_assignment): Likewise.
2292         (vectorizable_operation): Likewise.
2293         (vectorizable_store): Likewise.
2294         (vectorizable_load): Likewise.
2295         (vect_update_ivs_after_vectorizer): Likewise.
2296         (vect_is_simple_use): Likewise.
2297         (vect_analyze_data_ref_dependence): Likewise.
2298         (vect_analyze_pointer_ref_access): Likewise.
2299         (vect_can_advance_ivs_p): Likewise.
2300
2301         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
2302         before _stmt_vec_info.
2303         (_stmt_vec_info): Loop field replaced by loop_vec_info.
2304         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
2305         (new_stmt_vec_info): Argument changed from loop structure to
2306         loop_vect_info structure
2307
2308         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
2309         (vect_analyze_offset_expr): Avoid 80 columns overflow.
2310         (vect_create_addr_base_for_vector_ref): Likewise.
2311         (vect_analyze_pointer_ref_access): Likewise.
2312
2313 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2314
2315         PR tree-opt/19768
2316         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
2317         phi flag if the phi is abnormal.
2318
2319 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
2320
2321         PR tree-opt/19736
2322         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
2323         information for the new statement.
2324
2325 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2326
2327         PR driver/19117
2328         * gcc.c (main): Include the target in -v output.
2329
2330 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
2331
2332         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
2333         Do not drop the extend if we'd have to add a paradoxical subreg
2334         later.  Include optabs.h and insn-codes.h.
2335         * Makefile.in (combine.o): Depend on $(OPTABS_H).
2336
2337 2005-02-02  Roger Sayle  <roger@eyesopen.com>
2338
2339         PR middle-end/19405
2340         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
2341         * fold-const.c (const_binop): Avoid constant folding floating
2342         point operations in modes that use composite representations.
2343         * simplify-rtx.c (simplify_binary_operation): Likewise.
2344
2345 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
2346
2347         * config/rs6000/altivec.md (altivec_dst): Make the first operand
2348         a REG, not a MEM.
2349         (altivec_dstt): Likewise.
2350         (altivec_dstst): Likewise.
2351         (altivec_dststt): Likewise.
2352         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
2353         of first operand.
2354
2355 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2356
2357         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
2358         EXPR_LOCUS from orig_cond to the new cond_stmt.
2359         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
2360         the new vec_stmt.
2361
2362 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2363
2364         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
2365         standard_iv_increment_position. Remove call to bsi_next
2366         (no need to bump the iterator anymore).
2367         (vect_create_index_for_vector_ref): Call
2368         standard_iv_increment_position. Remove second function argument.
2369         (vect_finish_stmt_generation): Remove call to bsi_next
2370         (no need to bump the iterator anymore).
2371         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
2372         to vect_create_index_for_vector_ref.
2373
2374 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
2375
2376         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
2377         phis are used out of the loop.
2378
2379 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
2380
2381         PR c/17807
2382         * c-decl.c (undef_nested_function): New variable.
2383         (pop_scope): Diagnose undefined nested functions.
2384         (finish_function): Don't attempt cgraph processing or genericizing
2385         if current top-level function contained an undefined nested
2386         function.  Reset undef_nested_function at the end of a top-level
2387         function.
2388
2389 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
2390
2391         * tree.c (build_int_cst_type): Take sign of the value into account
2392         when deciding whether sign extend the value.
2393
2394 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2395
2396         PR c/18502
2397         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
2398         (cpp_options, cc1_options): Change %{std*&ansi} to
2399         %{std*&ansi&trigraphs}.
2400
2401 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2402
2403         * cse.c: Update comments.
2404
2405 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
2406
2407         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
2408         arguments go on the stack.  Do not put complex doubles in odd/even
2409         pairs.
2410
2411 2005-02-02  Steven Bosscher  <stevenb@suse.de>
2412
2413         * doc/invoke.texi: Update the options enabled at -O1, -O2,
2414         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
2415         -ftree-pre, and -fthread-jumps.
2416
2417 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
2418
2419         PR tree-optimization/19578
2420         * tree-flow.h (modified_noreturn_calls): Declare.
2421         (noreturn_call_p): Declare.
2422         * tree-flow-inline.h (noreturn_call_p): New function.
2423         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
2424         * tree-cfg.c (modified_noreturn_calls): New variable.
2425         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
2426         that contain a mid-block noreturn call.
2427         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
2428
2429 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
2430
2431         * df.c (df_def_record_1, df_uses_record): Don't use
2432         DF_FOR_REGALLOC.
2433         * df.h (DF_FOR_REGALLOC): Remove.
2434
2435 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2436
2437         PR c/19435
2438         * c-typeck.c (really_start_incremental_init): Reset
2439         constructor_max_index for arrays of incomplete type.
2440
2441 2005-02-02  Jeff Law  <law@redhat.com>
2442
2443         * gcse.c (struct reg_set): Store the block index where the register
2444         was set rather than the setting insn.
2445         (record_one_set, compute_transp): Corresponding changes.
2446         (pre_insert_copy_insn): Do not call replace_one_set.
2447         (replace_one_set): Remove.
2448
2449 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
2450
2451         PR other/15514
2452         * doc/gcov.texi: Fix typo.
2453
2454 2005-02-01  Richard Henderson  <rth@redhat.com
2455
2456         PR target/19680
2457         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
2458         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
2459         type to bool.
2460         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
2461         * config/i386/i386-protos.h: Update.
2462
2463 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2464
2465         PR tree-optimization/19217
2466         * tree-cfg.c (verify_expr): Use the data field to see if TP was
2467         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
2468         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
2469         that it is walking a PHI node.
2470
2471 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
2472
2473         * doc/extend.texi (Nested Functions): Update.
2474
2475 2005-02-01  Richard Henderson  <rth@redhat.com>
2476
2477         PR 19696
2478         * optabs.c (expand_copysign_absneg): Export.
2479         * optabs.h (expand_copysign_absneg): Declare.
2480         * config/rs6000/rs6000.md (copysigntf3): New.
2481
2482 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2483
2484         PR tree-optimization/19633
2485         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
2486         * tree-ssa-alias.c (init_alias_info): Initialize.
2487         (merge_pointed_to_info): Set.
2488         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
2489         (dump_points_to_info_for): Show value of pt_null.
2490         (struct count_ptr_d): Declare.
2491         (find_ptr_dereference): Remove.
2492         (ptr_is_dereferenced_by): Remove.
2493         (count_ptr_derefs): New local function.
2494         (count_uses_and_derefs): New local function.
2495         (compute_points_to_and_addr_escape): Call it.  If the number
2496         of dereferences is greater than zero, mark the pointer as
2497         dereferenced.  If there are fewer dereferences than uses of
2498         the pointer, the pointer's value escapes.
2499
2500 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
2501
2502         PR tree-optimization/19670
2503         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
2504         here...
2505         (verify_use): ... set it here, instead.
2506
2507 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
2508
2509         * doc/sourcebuild.texi (Test directives): Fix formatting.
2510
2511         * doc/sourcebuild.texi (Test directives): Describe selector
2512         expressions.
2513
2514 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
2515
2516         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
2517         specific 64-bit CPUs.
2518
2519 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
2520
2521         PR target/16201
2522         * arm.c (arm_eliminable_register): New function.
2523         (adjacent_mem_locations): Don't allow eliminable registers.  Use
2524         HOST_WIDE_INT for address offsets.
2525         * arm-protos.h (arm_eliminable_register): Add prototype.
2526
2527 2005-02-01  Steven Bosscher  <stevenb@suse.de>
2528
2529         PR optimization/15242
2530         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
2531         * basic-block.h (duplicate_computed_gotos): Add prototype.
2532         * bb-reorder.c (duplicate_computed_gotos): New function to
2533         duplicate sufficiently small blocks ending in a computed jump.
2534         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
2535         if not optimizing for size.
2536         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
2537         never do tail merging for blocks ending in a computed jump.
2538         * doc/invoke.texi: Document the max-goto-duplication-insns param.
2539
2540 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
2541
2542         Patch from Richard Sandiford <rsandifo@redhat.com>
2543         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
2544         from inheriting a subreg equivalence with a non-spill register.
2545
2546         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
2547
2548 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
2549
2550         * config/frv/frv.c (movcc_fp_destination_operand): New.
2551         (gpr_or_memory_operand): Fix typo in comment.
2552         (gpr_or_memory_operand_with_scratch): New.
2553         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
2554         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
2555         movcc_fp_destination_operand.
2556         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
2557         Legitimize memory addresses using a scratch register.
2558
2559 2005-01-31  Jeff Law  <law@redhat.com>
2560
2561         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
2562         bitmap a sparse bitmap instead of a simple bitmap.
2563         (mark_def_sites_initialize_block):  Corresponding changes.
2564         (ssa_mark_def_sites_initialize_block): Likewise.
2565         (ssa_mark_phi_uses): Likewise.
2566         (mark_def_site, ssa_mark_def_sites): Likewise.
2567         (mark_def_site_blocks): Likewise.
2568         (rewrite_ssa_into_ssa): Likewise.
2569
2570         * tree-ssa-dom.c (record_cond): Pass correct variable type
2571         for last argument to htab_find_slot_with_hash.
2572
2573         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
2574         effects when optimizing 0 % X.  Do not try to optimize X % 0.
2575
2576 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
2577
2578         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
2579         1_mmalua.
2580
2581 2005-02-01  Eric Christopher  <echristo@redhat.com>
2582
2583         * config/mips/mips.c (override_options): Warn if -mint64
2584         is used.
2585         * doc/invoke.texi (MIPS Options): Document that -mint64 is
2586         deprecated.
2587
2588 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
2589
2590         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
2591         timestamp.
2592         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
2593         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
2594         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
2595         (cached_regno): Initialize to INVALID_REGNUM.
2596         (cse_reg_info_table_size,
2597         cse_reg_info_table_first_uninitialized,
2598         cse_reg_info_timestamp): New.
2599         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
2600         get_cse_reg_info.
2601         (init_cse_reg_info, get_cse_reg_info_1): New.
2602         (get_cse_reg_info): Cache the last look-up.
2603         (new_basic_block): Update the code to clear mappings from
2604         registers to cse_reg_info entries.
2605         (cse_main): Call init_cse_reg_info.
2606
2607         * cse.c (get_cse_reg_info): Update a comment.
2608
2609 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2610
2611         PR c/19333
2612         * c-decl.c (start_decl): Do not warn about arrays of elements with
2613         an incomplete type here.
2614         (grokdeclarator): Do it here by making a pedwarn an error.
2615         * c-typeck.c (push_init_level): If there were previous errors with
2616         the constructor type, do not warn about braces for initializers.
2617         (process_init_element): Likewise for excess initializer elements.
2618
2619 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
2620
2621         * cse.c (delete_trivially_dead_insn): Don't iterate.
2622
2623 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
2624
2625         * config/rs6000/rs6000.md (copysignsf3): New expand.
2626         (copysigndf3): Likewise.
2627
2628 2005-01-31  Steven Bosscher  <stevenb@suse.de>
2629
2630         * recog.c (constrain_operands): Only look for earlyclobber operand
2631         conflicts if an '&' constraint was seen.
2632
2633 2005-01-31  Marc Espie <espie@openbsd.org>
2634
2635         * config.gcc: Don't include embedded systems fragment, switches default
2636         debugging format to ELF.
2637         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
2638         longer pick it up there.
2639
2640 2005-01-31  Dale Johannesen  <dalej@apple.com>
2641
2642         * doc/extend.texi (nested functions): Fix linkage description.
2643         Clarify that static is not allowed.
2644
2645 2005-01-31  Dale Johannesen  <dalej@apple.com>
2646
2647         * config/rs6000/darwin.md (movsf_low_di):  Make work.
2648         (movdf_low_di):  Make work.
2649
2650 2005-01-31  Dale Johannesen  <dalej@apple.com>
2651
2652         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
2653         Make work for 64 bit.
2654
2655 2005-01-31  Roger Sayle  <roger@eyesopen.com>
2656             Dale Johannesen  <dalej@apple.com>
2657
2658         PR middle-end/19650
2659         * fold-const.c (fold_binary_op_with_conditional_arg):
2660         Make types match original operands, before STRIP_NOPS.
2661
2662 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
2663
2664         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
2665         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
2666         (struct gcc_sigcontext): Delete.  Merge contents to..
2667         (struct gcc_ucontext): ..here.
2668         (get_sigcontext): Delete.
2669         (get_regs): New function, like get_sigcontext but return regs ptr.
2670         64-bit version finds regs from r1 to support vdso.
2671         (ppc_linux_aux_vector): New function.
2672         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
2673         and vector regs.
2674
2675 2005-01-31  Ira Rosen  <irar@il.ibm.com>
2676
2677         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
2678         sizetype.
2679         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
2680         redundant fold. Fix misalignment for MINUS_EXPR.
2681         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
2682         (vect_analyze_pointer_ref_access): Likewise.
2683         (vect_get_memtag_and_dr): Likewise.
2684
2685 2005-01-31  Richard Henderson  <rth@redhat.com>
2686
2687         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
2688         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
2689         absnegdf2_i387, absnegxf2_i387): Likewise.
2690
2691 2005-01-31  Richard Henderson  <rth@redhat.com>
2692
2693         PR 19696
2694         * optabs.c (expand_copysign_absneg): New.
2695         (expand_copysign_bit): Split out from ...
2696         (expand_copysign): ... here.  Use expand_copysign_absneg.
2697
2698 2005-01-30  Roger Sayle  <roger@eyesopen.com>
2699
2700         PR middle-end/19697
2701         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
2702         constant as the second operand and a register as the third.
2703
2704 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
2705
2706         PR target/19704
2707         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
2708         that dllimport'd functions do not use all call-clobbered registers
2709         to pass parameters.
2710
2711 2005-01-30  Richard Henderson  <rth@redhat.com>
2712
2713         PR 19696
2714         * optabs.c (expand_absneg_bit): Split out from expand_unop and
2715         expand_abs_nojump and generalize.  Use operand_subword and
2716         emit_no_conflict_block.  Support large modes.
2717         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
2718         back to maximum.
2719         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
2720         negation to subtraction.
2721         (expand_copysign): Check that the format has signed zeros.
2722         Use operand_subword and emit_no_conflict_block.  Support large modes.
2723
2724 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
2725
2726         Fix PR tree-optimization/19624
2727
2728         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
2729         * tree-ssa-pre.c: Add cfgloop.h.
2730         Update comment.
2731         (pre_stats): New member, constified.
2732         (inserted_exprs): New static variable.
2733         (NECESSARY): New macro.
2734         (create_expression_by_pieces): Fold the expression, and
2735         mark it as defaulting to not necessary. Also put in
2736         inserted_exprs.
2737         (fully_constant_expression): New function.
2738         (insert_into_preds_of_block): Modify to not insert phis when we
2739         are playing with induction variables.
2740         Push phis onto the inserted_exprs vector, and mark them as not
2741         necessary by default.
2742         (insert_aux): Call fully_constant_expression on eprime.
2743         If all edges produce the same value, mark it constant.
2744         (mark_operand_necessary): New function.
2745         (remove_dead_inserted_code): New function.
2746         (init_pre): Init loop optimizer to get loop info.
2747         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
2748         (execute_pre): Commit edge inserts, then remove dead code.
2749
2750 2005-01-30  Richard Henderson  <rth@redhat.com>
2751
2752         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
2753         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
2754
2755 2005-01-30  Richard Henderson  <rth@redhat.com>
2756
2757         PR target/19700
2758         * config/i386/i386.c (ix86_expand_copysign): New.
2759         (ix86_split_copysign_const): New.
2760         (ix86_split_copysign_var): Rename from ix86_split_copysign,
2761         rearrange op1/nmask operands.
2762         * config/i386/i386-protos.h: Update.
2763         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
2764         (copysigndf3): Likewise.
2765         (copysignsf3_const, copysigndf3_const): New.
2766         (copysignsf3_var): Rename from copysignsf3, split out splitter
2767         and fix split predicate for X constraint.
2768         (copysigndf3_var): Similarly.
2769
2770 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
2771
2772         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
2773         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
2774         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
2775
2776 2005-01-29  Richard Henderson  <rth@redhat.com>
2777
2778         PR target/19690
2779         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
2780         of # and * in constraints.
2781
2782 2005-01-29  Richard Henderson  <rth@redhat.com>
2783
2784         PR middle-end/19689
2785         * expr.c (store_field): Don't strip sub-mode cast when the input
2786         data is even smaller.
2787
2788 2005-01-29  Richard Henderson  <rth@redhat.com>
2789
2790         PR middle-end/19687
2791         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
2792         union being empty.
2793
2794 2005-01-29  Richard Henderson  <rth@redhat.com>
2795
2796         * combine.c (make_field_assignment): Fix argument order
2797         to gen_int_mode.
2798
2799 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
2800
2801         PR tree-optimization/15791
2802         * fold-const.c (extract_array_ref): New function.
2803         (fold): Fold comparisons between &a[i] and &a[j] or
2804         semantically equivalent trees.
2805
2806 2005-01-29  Jeff Law  <law@redhat.com>
2807
2808         * gcse.c (insert_expr_in_table): Revamp handling of available
2809         and anticipatable occurrence lists to avoid unnecessary list
2810         walking.
2811         (insert_set_in_table): Similarly.
2812
2813 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
2814
2815         * c-common.c (fix_string_type): Just use c_build_qualified_type to
2816         build string type.
2817         (c_build_qualified_type): Build qualified array types with
2818         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
2819         * c-decl.c (c_make_fname_decl): Build unqualified array type
2820         before qualified type.
2821         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
2822         type is qualified, not just if type itself is.  Don't apply
2823         qualifiers to array type when declarator is processed.  Apply
2824         qualifiers to field type whether or not it is an array type.
2825         Don't handle array types specially for applying qualifiers to
2826         variables.
2827         * c-typeck.c (composite_type): Build unqualified element type and
2828         array type when forming composite of array types.
2829         (common_pointer_type, comptypes, comp_target_types,
2830         type_lists_compatible_p, build_indirect_ref, build_array_ref,
2831         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
2832         types.
2833         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
2834         (args2) in variables a1 and a2.
2835
2836 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
2837
2838         * cse.c (n_elements_made, max_elements_made): Remove.
2839         (insert): Don't touch n_elements_made.
2840         (cse_main): Don't touch n_elements_made or max_elements_made.
2841
2842 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
2843
2844         PR target/15384
2845         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
2846         configuration part of dp-bit.c to be lost.
2847
2848 2005-01-28  Roger Sayle  <roger@eyesopen.com>
2849
2850         * expmed.c (expand_mult_highpart_optab): When attempting to use
2851         a non-widening multiplication in a wider mode, the operands need
2852         to be converted (zero or sign extended) to that mode.
2853
2854 2005-01-28  Ian Lance Taylor  <ian@airs.com>
2855
2856         PR middle-end/16558
2857         PR middle-end/19583
2858         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
2859         through if both operands fall through.
2860
2861 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2862
2863         * cse.c (fold_rtx) <PC>: Don't optimize.
2864
2865 2005-01-28  Jeff Law  <law@redhat.com>
2866
2867         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
2868         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
2869
2870 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
2871
2872         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
2873         cse_reg_info_used_list_end): Remove.
2874         (cse_reg_info_list, cse_reg_info_list_free): New.
2875         (get_cse_reg_info): When allocating an instance of
2876         cse_reg_info, add it to the beginning of the cse_reg_info_list
2877         list.  Remove code to maintain cse_reg_info_used_list.
2878         (new_basic_block): Reset the free list to the beginning of
2879         cse_reg_info_list.
2880
2881 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
2882
2883         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
2884         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
2885         (frv_expand_mdpackh_builtin): New function.
2886         (frv_expand_builtin): Use it to expand __MDPACKH.
2887         * doc/extend.texi (__MDPACKH): Update documentation.
2888
2889 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
2890
2891         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
2892         SSE_FLOAT_MODE_P for use_sse computation.
2893
2894 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
2895
2896         PR target/19663
2897         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
2898
2899 2005-01-27  Richard Henderson  <rth@redhat.com>
2900
2901         * builtins.c (expand_builtin_copysign): New.
2902         (expand_builtin): Call it.
2903         * genopinit.c (optabs): Add copysign_optab.
2904         * optabs.c (init_optabs): Initialize it.
2905         (expand_copysign): New.
2906         * optabs.h (OTI_copysign, copysign_optab): New.
2907         (expand_copysign): Declare.
2908
2909         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
2910         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
2911
2912         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
2913         (ix86_expand_fp_absneg_operator): ... here.
2914         (ix86_split_copysign): New.
2915         * config/i386/i386-protos.h: Update.
2916         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
2917         (copysignsf3, copysigndf3): New.
2918
2919         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
2920         (copysignsf3, ncopysignsf3): New.
2921         (copysigndf3, ncopysigndf3): New.
2922         (copysignxf3, ncopysignxf3): New.
2923         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
2924
2925 2005-01-27  Arend Bayer  <arend.bayer@web.de>
2926             Kazu Hirata  <kazu@cs.umass.edu>
2927
2928         * cse.c: (find_best_addr): Don't call copy_rtx before calling
2929         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
2930         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
2931         NULL_RTX.
2932
2933 2005-01-27  Jeff Law  <law@redhat.com>
2934
2935         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
2936         definitions of SSA_NAMEs which are not being rewritten.
2937         (rewrite_ssa_into_ssa): Only initialize the current definition
2938         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
2939         If checking is enabled, assert that SSA_NAME_AUX is clear for all
2940         SSA_NAMEs before returning.
2941
2942 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
2943
2944         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
2945         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
2946         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
2947         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
2948         config/mips/iris6.h, config/sh/sh.c: Update copyright.
2949
2950 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2951
2952         PR middle-end/17278
2953         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
2954         higher to -O2 and higher.  Likewise for tree PRE.
2955         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
2956         and better.
2957
2958 2005-01-27  Ian Lance Taylor  <ian@airs.com>
2959
2960         PR middle-end/19583
2961         * gimple-low.c (try_catch_may_fallthru): New static function.
2962         (block_may_fallthru): Handle TRY_CATCH_EXPR.
2963         * tree-inline.c (expand_call_inline): Don't warn about reaching
2964         the end of a non-void function being inlined if the function uses
2965         a return slot.
2966
2967 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
2968
2969         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
2970
2971         PR c/18946
2972         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
2973         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
2974         (implicitly_declare): Handle error_mark_node.
2975
2976 2005-01-27  Richard Henderson  <rth@redhat.com>
2977
2978         PR tree-opt/14329
2979         * tree.h (struct tree_decl): Add debug_expr_is_from.
2980         (DECL_DEBUG_EXPR_IS_FROM): New.
2981         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
2982         * dwarf2out.c (dwarf2out_var_location): Update to match.
2983         * tree-outof-ssa.c (create_temp): Likewise.
2984         * var-tracking.c (track_expr_p): Likewise.
2985         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
2986         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
2987         * toplev.c (default_tree_printer): Likewise.
2988
2989 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
2990
2991         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
2992         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
2993
2994 2005-01-27  Steven Bosscher  <stevenb@suse.de>
2995
2996         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
2997         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
2998         ASM_CLOBBERS): Add tree checks.
2999
3000         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
3001         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
3002         * c-common.def (SWITCH_STMT): Update to match.
3003         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
3004         macros instead of SWITCH_EXPR ones.
3005         * c-dump.c (c_dump_tree): Likewise.
3006         * c-gimplify.c (gimplify_switch_stmt): Likewise.
3007         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
3008
3009         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
3010
3011 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
3012
3013         * unwind-dw2.c (execute_stack_op): Add missing cases for
3014         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
3015
3016 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
3017
3018         * config.gcc (Obsolete configurations): Remove 'dummy', add
3019         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
3020         sparc-*-openbsd*.
3021
3022 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
3023
3024         PR tree-optimization/19633
3025         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
3026         CALL_EXPRs.
3027         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
3028         are no call-clobbered variables.
3029         * tree-outof-ssa.c (check_replaceable): Return false for calls
3030         with side-effects.
3031
3032 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
3033
3034         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
3035         even for variables with NULL DECL_INITIAL.
3036
3037 2005-01-26  Stuart Hastings  <stuart@apple.com>
3038
3039         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
3040
3041 2005-01-26  Richard Henderson  <rth@redhat.com>
3042
3043         PR middle-end/18008
3044         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3045         field's type.
3046         * expr.c (store_field): Strip conversions to odd-bit-sized types
3047         if the destination field width matches.
3048
3049 2005-01-26  Richard Henderson  <rth@redhat.com>
3050
3051         * c-decl.c, expmed.c, expr.c: Revert last change.
3052
3053 2005-01-26  Richard Henderson  <rth@redhat.com>
3054
3055         PR middle-end/18008
3056         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
3057         field's type.
3058         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
3059         if we don't need the bits above those present in the current mode.
3060         * expr.c (store_field): Strip conversions to odd-bit-sized types
3061         if the destination field width matches.
3062
3063 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
3064
3065         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
3066         either -ffast-math or -funsafe-math-optimizations is in use.
3067
3068 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
3069
3070         PR target/19293
3071         PR target/19329
3072         * config/avr/avr.c (notice_update_cc): Only set condition code for
3073         ashrqi3 if shift count > 0.
3074         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
3075         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
3076         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
3077         count <= 0 as a no-op, and shift count >= width by copying zero
3078         or sign bit to all bits of the result.
3079         * config/avr/avr.md (all shifts): Add alternatives for zero shift
3080         count, with attribute "length" set to 0 and "cc" set to "none".
3081
3082 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3083
3084         * doc/invoke.texi: Document -mTLS.
3085
3086         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
3087         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
3088         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
3089         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
3090         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
3091         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
3092         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
3093         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
3094
3095         * configure.ac: Check for a TLS capable gas.
3096
3097         * configure: Regenerate.
3098
3099 2005-01-26  Richard Henderson  <rth@redhat.com>
3100
3101         PR middle-end/18008
3102         * combine.c (make_field_assignment): Simplify store to zero_extract
3103         from a source with an overlapping mask.
3104
3105 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
3106
3107         2004-11-11  Eric Christopher  <echristo@redhat.com>
3108
3109         * config/frv/frv.md: Add fr400_integer automaton. Don't
3110         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
3111         to TYPE_MACC.
3112
3113 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3114
3115         PR middle-end/16585
3116         * cfgbuild.c (make_edges): Do not clear or set
3117         current_function_has_computed_jump.
3118         * function.h (struct function): Remove the has_computed_jump field.
3119         (current_function_has_computed_jump): Do not define.
3120         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
3121         in a computed jump.  Ignore current_function_has_computed_jump.
3122
3123 2005-01-26  Richard Henderson  <rth@redhat.com>
3124
3125         PR middle-end/19515
3126         * expr.c (categorize_ctor_elements): New argument p_must_clear.
3127         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
3128         fully initialized.
3129         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
3130         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
3131         objects into static storage if they have more than one non-zero value.
3132         * tree.h (categorize_ctor_elements): Update decl.
3133
3134 2005-01-26  Steven Bosscher  <stevenb@suse.de>
3135
3136         PR middle-end/19616
3137         * tree.h (CALL_EXPR_TAILCALL): Add comment.
3138         * calls.c (check_sibcall_argument_overlap_1): Revert the change
3139         to this function from 2004-07-10.
3140         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
3141         the current function for tail call optimizations if the address
3142         of one of it its arguments is taken.
3143
3144 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * cse.c (fold_rtx): Call equiv_constant only when necessary.
3147
3148 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
3149
3150         * function.c (expand_function_end): If current_function_calls_alloca,
3151         emit stack restore in a place that is reached when the function falls
3152         through at the end.
3153
3154 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
3155
3156         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
3157         rule to avoid matching inappropriate suffix rule.
3158
3159 2005-01-26  Jan Hubicka  <jh@suse.cz>
3160
3161         PR tree-optimization/19241
3162         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
3163
3164 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3165
3166         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
3167         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
3168         of doubling.
3169         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
3170         <sim*>: Always use crt1.o, regardless of N in simN.
3171         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3172         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
3173         (CRT_CALL_STATIC_FUNCTION): Remove.
3174         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
3175         use crt1.o, regardless of N in simN.
3176         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
3177         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
3178         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
3179         case isystem setting.
3180         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
3181
3182 2005-01-25  Ian Lance Taylor  <ian@airs.com>
3183
3184         * gimple-low.c (block_may_fallthru): Correct handling of
3185         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
3186
3187 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
3188
3189         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
3190         handlers to match indentation; nested under the mtune=* handler.
3191         Similar for mcpu= and march=.
3192
3193 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
3194
3195         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
3196         * config/mips/linux64.h (LIB_SPEC): Likewise.
3197         * config/mn10300/linux.h (LIB_SPEC): Likewise.
3198         * config/sh/linux.h (LIB_SPEC): Likewise.
3199
3200 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
3201
3202         * config/frv/frv.c (frv_legitimize_tls_address): New.
3203         (TARGET_HAVE_TLS): Define.
3204         (FRV_SYMBOL_REF_TLS_P): Define.
3205         (frv_override_options): Handle new register classes.
3206         (frv_legitimate_address_p): Reject tls addresses.
3207         (frv_legitimize_address): Handle TLS addresses.
3208         (gen_inlined_tls_plt): New.
3209         (gen_tlsmoff): New.
3210         (frv_legitimize_tls_address): New.
3211         (unspec_got_name): Add TLS entries.
3212         (got12_operand): Add R_FRV_TLSMOFF12 case.
3213         (frv_emit_move): Fixup TLS addresses.
3214         (frv_emit_movsi): Legitimize TLS addresses.
3215
3216         * config/frv/frv.h (MASK_BIG_TLS): New.
3217         (TARGET_BIG_TLS): New.
3218         (HAVE_AS_TLS): Define.
3219         (TARGET_SWITCHES): Add -mTLS and -mtls options.
3220         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
3221         (REG_CLASS_NAMES): Same.
3222         (REG_CLASS_CONTENTS): Same.
3223         (CONSTRAINT_LEN): New.
3224         (REG_CLASS_FROM_CONSTRAINT): New.
3225         (PREDICATE_CODES): Add symbolic_operand.
3226
3227         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
3228         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
3229         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
3230         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
3231         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
3232         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
3233         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
3234         GR9_REG, GR14_REG, LRREG.
3235         (type): Add load_or_call attribute.
3236         ("load_or_call"): New reservation.
3237         ("call_gettlsoff"): New.
3238         ("tls_indirect_call"): New.
3239         ("tls_load_gottlsoff12"): New.
3240         ("tlsoff_hilo"): New.
3241         ("tls_tlsdesc_ldd"): New.
3242         ("tls_tlsoff_ld"): New.
3243         ("tls_lddi"): New.
3244
3245         * config/frv/frv-protos.h (symbolic_operand): Protoize.
3246
3247         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
3248
3249         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
3250         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
3251         * config/frv/frv.c (TLS_BIAS): Define.
3252         (frv_output_dwarf_dtprel): New.
3253
3254 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
3255
3256         PR rtl-optimization/19579
3257         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
3258         both A and B, see if they don't clobber registers the other expr uses.
3259
3260 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
3261
3262         * real.c (do_add): Initialize signalling and canonical members.
3263
3264         * real.c (real_from_integer): Zero out destination.
3265
3266 2005-01-18  Jan Hubicka  <jh@suse.cz>
3267
3268         PR tree-optimize/19337
3269         * tree-inline.c (initialize_inlined_parameters): Copy
3270         saved_static_chain_decl only.
3271
3272 2005-01-25  Richard Henderson  <rth@redhat.com>
3273
3274         PR target/19556
3275         PR target/19584
3276         * config/i386/i386.c (x86_inter_unit_moves): Zero.
3277         (ix86_preferred_reload_class): Rewrite fp-constant section, with
3278         80387 enabled, to return a proper subclass.  Return the subset that
3279         overlaps with GENERAL_REGS for PLUS.
3280         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
3281
3282 2005-01-25  Richard Henderson  <rth@redhat.com>
3283
3284         PR middle-end/19609
3285         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
3286
3287 2005-01-25  Roger Sayle  <roger@eyesopen.com>
3288
3289         * expmed.c (choose_multiplier): Change interface to return the
3290         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
3291         (expand_divmod): Update calls to choose_multiplier.
3292
3293 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3294
3295         PR middle-end/19330
3296         * expmed.c (extract_bit_field): Use adjust_address instead of
3297         gen_lowpart when op0 is a MEM.
3298
3299 2005-01-24  Steven Bosscher  <stevenb@suse.de>
3300
3301         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
3302
3303 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
3304
3305         * config/mips/irix-csr.c: New file.
3306         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
3307         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
3308         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
3309         executables.
3310
3311 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
3312
3313         PR bootstrap/19364
3314         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
3315         sparc/elf.h, add sparc/sp-elf.h.
3316         (sparc-*-rtems*): Likewise.
3317         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
3318         tm-dwarf2.h, add sparc/sp-elf.h.
3319         (sparc86x-*-elf): Likewise.
3320         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
3321         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
3322         TARGET_OS_CPP_BUILTINS.
3323         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3324         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
3325         Undefine it.
3326         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
3327         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
3328         (SWITCH_TAKES_ARG): Likewise.
3329         (LOCAL_LABEL_PREFIX): Likewise.
3330         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3331         (TARGET_N_FORMAT_TYPES): Delete.
3332         (TARGET_FORMAT_TYPES): Likewise.
3333         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
3334         * config/sparc/elf.h: Delete.
3335         * config/sparc/sp-elf.h: New file.
3336
3337 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3338
3339         * tree-flow-inline.h (phi_arg_from_edge): Remove.
3340         * tree-flow.h: Remove the corresponding prototype.
3341         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
3342         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
3343
3344 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3345
3346         PR target/17751
3347         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
3348         for AIX ABI or ELF -fPIC.
3349         (rs6000_emit_load_toc_table): Don't create toc_section here.
3350         (rs6000_xcoff_file_start): Nor here.
3351
3352 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
3353
3354         * sh.c (ra.h): Don't #include.
3355         (hard_regs_intersect_p): New function, resurrected from ra.c.
3356
3357         * sh.c: Fix 1996 Copyright.
3358
3359 2005-01-24  Richard Henderson  <rth@redhat.com>
3360             Aldy Hernandez  <aldyh@redhat.com>
3361
3362         * regrename.c (note_sets): Handle subregs.
3363
3364 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
3365
3366         PR bootstrap/18058
3367         * genconditions.c (write_header, write_conditions): Elide file if
3368         not GCC >= 3.0.1.
3369
3370 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
3371
3372         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
3373         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
3374         Update copyright.
3375
3376 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3377
3378         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
3379         expand_builtin_printf, expand_builtin_fprintf,
3380         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
3381         checking against POINTER_TYPE.
3382         (validate_arglist): Handle POINTER_TYPE code by checking
3383         POINTER_TYPE_P.
3384
3385 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
3386
3387         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
3388         init_rtlanal): New.
3389         (for_each_rtx): Call for_each_rtx_1.
3390         * rtl.h (init_rtlanal): Declare.
3391         * toplev.c (backend_init): Call init_rtlanal.
3392
3393 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
3394
3395         * flow.c (propagate_one_insn): Formatting.
3396
3397         PR middle-end/19551
3398         * flow.c (libcall_dead_p): Be more conservative if unsure.
3399         If there are any instructions between insn and call, see if they are
3400         all dead before saying the libcall is dead.
3401
3402 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
3403
3404         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
3405         operand constraint for operand 0.
3406
3407 2005-01-23  Richard Henderson  <rth@redhat.com>
3408
3409         PR 19486
3410         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
3411         edges leading to join block.
3412
3413 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3414
3415         * expmed.c (expand_mult_highpart): Make static.  Change type of
3416         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
3417         (expand_divmod): Updates calls to expand_mult_highpart by using
3418         gen_int_mode to pass a CONST_INT rtx.
3419         * rtl.h (expand_mult_highpart): Remove prototype.
3420
3421 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3422
3423         * flow.c (regset_bytes, regset_size): Remove.
3424
3425         * cfganal.c: Fix a reference to Harvey's paper.
3426
3427 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3428
3429         PR rtl-optimization/19464
3430         * tree-optimize.c (init_tree_optimization_passes): Add one more
3431         copyrename pass just before out-of-ssa.
3432
3433 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
3434
3435         PR bootstrap/18058
3436         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
3437         * ggc-none.c (ggc_free): Define.
3438
3439 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3440
3441         * cse.c (max_reg, max_insn_uid): Remove.
3442         (cse_main): Don't access max_reg or max_insn_uid.
3443
3444         * c-common.c (explicit_flag_signed_bitfields,
3445         lang_statement_code_p, lang_expand_function_end): Remove.
3446         * c-common.h: Remove the corresponding declarations.
3447         * c-opts.c (c_common_handle_option): Remove all write access
3448         to explicit_flag_signed_bitfields.
3449
3450         * cgraph.c (cgraph_varpool_n_nodes): Remove.
3451         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
3452         * cgraph.h: Remove the corresponding declaration.
3453
3454         * gcse.c (null_pointer_info): Remove.
3455
3456 2005-01-23  Roger Sayle  <roger@eyesopen.com>
3457             Eric Botcazou  <ebotcazou@libertysurf.fr>
3458
3459         * combine.c (simplify_logical): Only simplify logical expressions
3460         of the form ior(and(x,y),z) by the inverse distributive law if the
3461         result is cheaper than the original.
3462
3463 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
3464
3465         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
3466         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
3467         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
3468         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
3469         config/freebsd-spec.h, config/arm/arm.h,
3470         config/h8300/h8300.md, config/i386/i386.md,
3471         config/i386/predicates.md, config/i386/sse.md,
3472         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
3473         config/vax/vax.md: Fix comment typos.  Follow spelling
3474         conventions.
3475
3476 2005-01-23  Steven Bosscher  <stevenb@suse.de>
3477
3478         * gengtype.c (walk_type): Produce `not equal to' compares for loop
3479         tests, instead of `less than'.
3480
3481 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
3482
3483         * function.c (assign_parm_setup_block): When creating a new stack slot
3484         for a parameter, get its alignment from the parameter's DECL_ALIGN
3485         rather than the type's TYPE_ALIGN.  Make sure that the parameter
3486         is at least word aligned.
3487
3488 2005-01-22  Roger Sayle  <roger@eyesopen.com>
3489
3490         PR middle-end/19378
3491         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
3492
3493 2005-01-22  Richard Henderson  <rth@redhat.com>
3494
3495         PR target/19506
3496         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
3497         in both compare operands.
3498         (movdfcc_1_sse_max): Likewise.
3499         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
3500         (movdfcc_1_sse): Likewise.
3501         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
3502         scratch register as needed.
3503
3504 2005-01-22  Richard Henderson  <rth@redhat.com>
3505
3506         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
3507
3508         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
3509
3510 2005-01-22  Richard Henderson  <rth@redhat.com>
3511
3512         * genopinit.c (optabs): Use smin/smax for floating point too.
3513         * doc/md.texi: Update to match.  Clarify that floating point
3514         results are undefined for +0/-0 and NaN.
3515         * doc/rtl.texi: Likewise.
3516         * rtl.def (SMIN, SMAX): Likewise
3517         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
3518
3519         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
3520         leading 's' to the name.
3521         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
3522         smaxxf3, sminxf3): Likewise.
3523         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
3524         Likewise.
3525
3526 2005-01-22  Paul Brook  <paul@codesourcery.com>
3527
3528         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
3529
3530 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
3531
3532         * config/s390/s390.c (struct processor_costs): New fields
3533         dlgr, dlr, dr, dsgfr, dsgr.
3534         (z900_cost, z990_cost): Values for new fields.
3535         (s390_rtx_costs): New cases MEM und COMPARE in switch
3536         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
3537         DIV, MOD, UDIV, UMOD.
3538
3539 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3540
3541         * config/s390/s390.md ("doloop_si64"): Reload input value directly
3542         into the register being decremented.
3543         ("doloop_si31", "doloop_di"): Likewise.
3544         ("*doloop_si_long"): Adapt pattern.
3545
3546 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
3547
3548         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
3549         access registers.
3550         (CLASS_MAX_NREGS): Likewise.
3551
3552 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
3553
3554         * doc/tree-ssa.texi (Statement Operands): Add example for new
3555         must-def macro. Note deprecation of old operands interface.
3556
3557 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
3558
3559         PR tree-optimization/19484
3560         * tree-cfg.c (remove_fallthru_edge): New function.
3561         (cleanup_control_flow): Remove fallthru edges from calls that are
3562         now known not to return.
3563
3564 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3565
3566         Fix PR tree-optimization/19038
3567         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
3568         copies with loop variant ones.
3569
3570 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
3571
3572         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
3573         config/alpha/alpha-protos.h, config/alpha/alpha.h,
3574         config/alpha/alpha.md, config/alpha/predicates.md,
3575         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
3576         config/sparc/sol2.h: Update copyright.
3577
3578         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
3579         first label to see if it is a nonlocal label.
3580
3581 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
3582             Andrew Pinski  <pinskia@physics.uc.edu>
3583
3584         PR target/19491
3585         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
3586         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
3587
3588 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3589
3590         * config/rs6000/rtems.h: Update copyright.
3591
3592 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
3593
3594         PR target/19548
3595         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
3596         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
3597         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
3598
3599 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3600
3601         PR c/18809
3602         * c-typeck.c (convert_arguments): Check for error_mark_node.
3603
3604 2005-01-21  Ian Lance Taylor  <ian@airs.com>
3605
3606         PR tree-optimization/13000
3607         * tree-inline.c: Include "tree-flow.h".
3608         (expand_call_inline): If warn_return_type, warn if non-void inline
3609         function falls through.
3610         * tree-cfg.c (execute_warn_function_return): Don't warn about
3611         control reaching end if TREE_NO_WARNING is set.  Set
3612         TREE_NO_WARNING.
3613         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
3614         has been lowered.
3615         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
3616         branch if we don't need one.
3617         * c-typeck.c: Include "tree-flow.h"
3618         (c_finish_bc_stmt): Don't add a goto if the current statement
3619         list doesn't fall through to the current point.
3620
3621 2005-01-21  Roger Sayle  <roger@eyesopen.com>
3622
3623         PR rtl-optimization/576
3624         * real.c (real_arithmetic): Change return type from void to bool
3625         to return an indication that the result may be inexact.
3626         * real.h (real_arithmeric): Update prototype.
3627         * fold-const.c (const_binop):  Don't constant fold floating
3628         point expressions when the user specifies -frounding-math and
3629         the result may depend upon the run-time rounding mode.
3630         (fold_convert_const_real_from_real): Clean-up.
3631         (fold_initializer): Ignore flag_rounding_math for initializers.
3632         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
3633         constant fold FP operations with flag_rounding_math if the
3634         result may depend upon the run-time rounding mode.
3635
3636 2005-01-21  Tom Tromey  <tromey@redhat.com>
3637
3638         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
3639
3640 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
3641
3642         * tree-cfg.c: Fix comment typos.
3643
3644 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
3645
3646         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
3647         around the call to rest_of_handle_branch_target_load_optimize.
3648
3649 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3650
3651         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
3652         (sparc64-*-openbsd*): Likewise.
3653         (sparclite-*-elf*): Include tm-dwarf2.h.
3654         (sparc86x-*-elf*): Likewise.
3655         (sparc64-*-elf*): Likewise.
3656         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
3657         (DBX_DEBUGGING_INFO): Likewise.
3658         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
3659         (PREFERRED_DEBUGGING_TYPE): Likewise.
3660         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3661         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
3662         (PREFERRED_DEBUGGING_TYPE): Likewise.
3663         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
3664         (PREFERRED_DEBUGGING_TYPE): Likewise.
3665         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
3666
3667 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
3668
3669         PR target/18701
3670         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
3671
3672 2005-01-20  Paul Brook  <paul@codesourcery.com>
3673
3674         * doc/rtl.texi: Document value extension requirements for CONST_INT.
3675
3676 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3677
3678         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
3679         label is first in a sequence of labels.
3680
3681         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
3682
3683 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
3684             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
3685
3686         * doc/sourcebuild.texi (Test Directives): New.
3687
3688 2005-01-20  Roger Sayle  <roger@eyesopen.com>
3689
3690         * real.c (real_floor): Don't leave the result uninitialized when
3691         mode is VOIDMode, but return the unrounded intermediate value.
3692         (real_ceil): Likewise.
3693
3694 2005-01-20  Paul Brook  <paul@codesourcery.com>
3695
3696         * config/arm/arm.md (insv): Use gen_int_mode.
3697
3698 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
3699
3700         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
3701         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3702         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3703         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3704         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
3705
3706 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
3707
3708         Fix PR debug/19124
3709         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
3710         fbreg, so we have to assume we can't.
3711         (loc_descriptor_from_tree_1): Ditto.
3712         (containing_function_has_frame_base): New function.
3713         (add_location_or_const_value_attribute): Use it.
3714         Also try to generate a frame_base from a single element location
3715         list.
3716
3717 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3718
3719         PR tree-optimization/15349
3720         * timevar.def (TV_TREE_MERGE_PHI): New.
3721         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
3722         PHI_WANTED.
3723         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
3724         calls to tree_forwarder_block_p.
3725         (remove_forwarder_block_with_phi, merge_phi_nodes,
3726         gate_merge_phi, pass_merge_phi): New.
3727         * tree-optimize.c (init_tree_optimization_passes): Add
3728         pass_merge_phi.
3729         * tree-pass.h: Add an extern for pass_merge_phi;
3730
3731 2005-01-20  Richard Henderson  <rth@redhat.com>
3732
3733         PR target/19418
3734         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
3735         (_mm_castps_pd, _mm_castps_si128): New.
3736         (_mm_castsi128_ps, _mm_castsi128_pd): New.
3737
3738 2005-01-20  Richard Henderson  <rth@redhat.com>
3739
3740         PR target/19530
3741         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
3742         __builtin_ia32_vec_init_v2si.
3743         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
3744         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
3745         (ix86_init_mmx_sse_builtins): Create it.
3746         (ix86_expand_builtin): Expand it.
3747         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
3748         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
3749         (vec_extractv2si_0, vec_extractv2si_1): New.
3750
3751 2005-01-20  Richard Henderson  <rth@redhat.com>
3752
3753         PR target/16533
3754         * config/i386/i386.c (ix86_expand_push): New.
3755         * config/i386/mmx.md (push<MMXMODE>1): New.
3756         * config/i386/sse.md (push<SSEMODE>1): New.
3757         * config/i386/i386-protos.h: Update.
3758
3759 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
3760
3761         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
3762         copyright.
3763
3764 2005-01-20  Richard Henderson  <rth@redhat.com>
3765
3766         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
3767         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
3768
3769 2005-01-19  Richard Henderson  <rth@redhat.com>
3770
3771         PR target/19350
3772         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
3773         to V4SFmode in SSE1 fallback load path.
3774
3775 2005-01-19  Richard Henderson  <rth@redhat.com>
3776
3777         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
3778         in QImode expansion to ix86_expand_vector_set.
3779         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
3780
3781 2005-01-19  Richard Henderson  <rth@redhat.com>
3782
3783         PR target/19511
3784         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
3785         subclass of the input class.
3786         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
3787         Always true for cross-SSE1 classes.  Rationalize conditionals.
3788         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
3789         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
3790         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
3791         (movdi_2): Add MMX/SSE zeros.
3792         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
3793         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
3794         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
3795         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
3796         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
3797         (zero_extendsidi2_rex64_1): Remove.
3798         (MOV0 peephole): Check GENERAL_REG_P.
3799
3800 2005-01-19  Richard Henderson  <rth@redhat.com>
3801
3802         PR target/19427
3803         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
3804         shufps elements.
3805         (ix86_expand_vector_extract): Likewise.
3806
3807 2005-01-19  Richard Henderson  <rth@redhat.com>
3808
3809         PR middle-end/19304
3810         * expr.c (emit_move_change_mode): New argument force; use
3811         simplify_gen_subreg if true.
3812         (emit_move_via_alt_mode): Merge into ...
3813         (emit_move_via_integer): ... here.
3814         (emit_move_ccmode): Use emit_move_change_mode directly.
3815
3816 2005-01-19  Richard Henderson  <rth@redhat.com>
3817
3818         PR target/19518
3819         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
3820         (alpha_preferred_reload_class): Handle CONST_VECTOR.
3821         (alpha_emit_set_const_1): Add no_output parameter; don't emit
3822         rtl if true.
3823         (alpha_emit_set_const): Likewise.  Make static.
3824         (alpha_emit_set_long_const): Make static.
3825         (alpha_extract_integer): Split out from alpha_expand_mov.
3826         (alpha_split_const_mov): Likewise.
3827         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
3828         (alpha_legitimate_constant_p): New.
3829         * config/alpha/alpha-protos.h: Update.
3830         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
3831         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
3832         * config/alpha/alpha.md (movsi): Add n alternative.
3833         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
3834         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
3835         (splitters for all of the above): Use alpha_split_const_mov.
3836         * config/alpha/predicates.md (non_add_const_operand): New.
3837         (non_zero_const_operand): New.
3838         (input_operand): Use alpha_legitimate_constant_p after reload.
3839
3840 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3841
3842         PR tree-optimization/19038
3843         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
3844         (add_candidate): Add ivs with increment in latch only if
3845         allow_ip_end_pos_p is true.
3846         (determine_iv_cost): Use empty_block_p.
3847
3848 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
3849
3850         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
3851         (compute_dominance_frontiers): Ditto.
3852
3853 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
3854
3855         PR target/19529
3856         * config/sh/t-rtems: New.
3857         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
3858
3859 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
3860
3861         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
3862         the offset of the selected field.
3863
3864 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
3865
3866         * tree-cfg.c (remove_forwarder_block): Fix the check to
3867         prevent a nonlocal label from appearing in the middle of a
3868         basic block.
3869
3870 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
3871
3872         PR rtl-optimization/19462
3873         * reorg.c (find_end_label): Create return insn only if
3874         current_function_epilogue_delay_list is empty.
3875
3876 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
3877
3878         * doc/passes.texi: Remove paragraph mentioning new-ra.
3879
3880 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
3881
3882         PR rtl-optimization/15139
3883         * combine.c: Include params.h.
3884         (count_rtxs): New function.
3885         (record_value_for_reg): If replace_rtx would replace at least
3886         2 occurrences of REG in VALUE and TEM is really large, replace REG with
3887         (clobber (const_int 0)) instead of TEM.
3888         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
3889         * params.h (MAX_LAST_VALUE_RTL): New.
3890         * Makefile.in (combine.o): Depend on $(PARAMS_H).
3891         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
3892
3893         PR c/17297
3894         * c-typeck.c (digest_init): Only call build_vector if all constructor
3895         elements are *_CST nodes.
3896         * gimplify.c (gimplify_init_constructor): Likewise.
3897
3898         PR middle-end/19164
3899         * c-typeck.c (digest_init): Only call build_vector if inside_init
3900         is a CONSTRUCTOR.
3901
3902 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3903
3904         * toplev.c (init_asm_output): Remove dead #ifdef.
3905
3906 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
3907
3908         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
3909
3910 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3911
3912         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
3913         accessing DECL_FUNCTION_CODE.
3914         * dojump.c (do_jump): Likewise.
3915         * gimplify.c (gimplify_call_expr): Likewise.
3916         * predict.c (expr_expected_value): Likewise.
3917         (strip_builtin_expect): Likewise.
3918         * tree-inline.c (estimate_num_insns_1): Likewise.
3919         * tree-ssa-loop-im.c (stmt_cost): Likewise
3920         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
3921         (tree_expr_nonnegative_p): Likewise.
3922
3923 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
3924
3925         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
3926         variant of the load_pcrel_sym pattern.
3927         * config/sparc/sparc.md (P macro): Move to the top.
3928         (load_pcrel_sym): Macroize using P.
3929         (save_register_window): Likewise.
3930
3931 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
3932
3933         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
3934         ("sordered"): Same.
3935
3936 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
3937
3938         PR C/19472
3939         * c-typeck.c (build_asm_expr): Strip nops off
3940         input memory operands.
3941
3942 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
3943
3944         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
3945         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
3946         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
3947         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
3948
3949 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
3950
3951         PR target/19379
3952         * config/i386/i386.c (override_options): If the 80387 is disabled,
3953         then do not return FP values using FP registers.
3954
3955 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
3956
3957         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
3958         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
3959         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
3960         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
3961         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
3962         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
3963         output.h, postreload-gcse.c, postreload.c, recog.c,
3964         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
3965         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
3966         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
3967         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
3968         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
3969         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
3970         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
3971         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
3972
3973         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
3974         config/alpha/alpha.c, config/arm/vfp.md,
3975         config/i386/emmintrin.h, config/i386/i386-modes.def,
3976         config/i386/i386-protos.h, config/i386/i386.h,
3977         config/i386/pmmintrin.h, config/i386/ppro.md,
3978         config/i386/predicates.md, config/i386/xmmintrin.h,
3979         config/i860/i860.c, config/ia64/ia64-modes.def,
3980         config/ia64/ia64-protos.h, config/ia64/ia64.h,
3981         config/ia64/ia64.md, config/ia64/itanium1.md,
3982         config/ia64/itanium2.md, config/ia64/predicates.md,
3983         config/iq2000/iq2000.h, config/mips/linux64.h,
3984         config/rs6000/aix41.h, config/rs6000/aix43.h,
3985         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
3986         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3987         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
3988         config/sparc/linux64.h, config/sparc/litecoff.h,
3989         config/sparc/sp64-elf.h, config/sparc/sparc.c,
3990         config/sparc/sparc.h, config/sparc/sparc.md,
3991         config/sparc/sysv4-only.h: Update copyright.
3992
3993 2005-01-18  Richard Henderson  <rth@redhat.com>
3994
3995         PR target/19496
3996         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
3997
3998 2005-01-18  Marc Espie  <espie@openbsd.org>
3999         * config/i386/openbsdelf.h: Typo.
4000
4001 2005-01-18  Richard Henderson  <rth@redhat.com>
4002
4003         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
4004         special case for sse.
4005         * config/i386/predicates.md (sse_comparison_operator): Likewise.
4006
4007 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
4008
4009         * tree-inline.c (estimate_num_insns_1): Added cases for
4010         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
4011
4012 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4013
4014         PR rtl-optimization/19296
4015         * combine.c (simplify_comparison): Rewrite the condition under
4016         which a non-paradoxical SUBREG of a PLUS can be lifted when
4017         compared against a constant.
4018
4019 2005-01-18  Andi Kleen <ak@muc.de>
4020
4021         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
4022         * c.opt (-Wpointer-sign): Add.
4023         * doc/invoke.texi: (-Wpointer-sign): Add.
4024
4025 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4026
4027         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
4028         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
4029         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
4030         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
4031         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
4032         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
4033         for TARGET_MIX_SSE_I387.
4034         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
4035         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
4036         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
4037         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
4038         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
4039         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
4040         TARGET_MIX_SSE_I387.
4041         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
4042         from expander.
4043
4044 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
4045
4046         PR target/19424
4047         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
4048         Add movaps alternative for xmm reg->reg move.
4049
4050 2005-01-17  Jeff Law  <law@redhat.com>
4051
4052         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
4053         at the end of the main DOM loop rather than just before DOM exits.
4054
4055 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
4056
4057         PR tree-optimization/19121
4058         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
4059         adding aliases to a name tag, also add them to the pointer's
4060         type tag.
4061         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
4062         sensitive alias info at all.  Only check that the two pointers
4063         have compatible pointed-to sets.
4064         * tree-ssa.c (verify_name_tags): Verify that the alias set of
4065         a pointer's type tag is a superset of the alias set of the
4066         pointer's name tag.
4067
4068 2005-01-17  James E Wilson  <wilson@specifixinc.com>
4069
4070         PR target/19357
4071         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
4072         comment to document why.
4073
4074 2005-01-17  Richard Henderson  <rth@redhat.com>
4075
4076         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
4077         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
4078         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
4079         sse2_vmsminv2df3_finite): New.
4080         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
4081         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
4082         Force op1 into register.
4083
4084 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
4085
4086         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
4087         bubblestrap from always rebuilding build directory.
4088
4089 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
4090
4091         * config/s390/s390.md ("*clc"): Remove incorrect '='.
4092         ("*cmpmem_short"): Likewise.
4093
4094 2005-01-17  Steven Bosscher  <stevenb@suse.de>
4095
4096         * basic-block.h: Document BB_* flags.
4097         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
4098         use an sbitmap instead.
4099         * sched-rgn.c (compute_trg_info): Likewise.
4100
4101 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
4102
4103         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
4104         redundant target_cpu_default and extra_parts lines.  Use the default
4105         "from-abi" ISA.
4106         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
4107         (SUBTARGET_EXTRA_SPECS): Delete.
4108         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
4109         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
4110         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
4111         and "n32" for -mabi=n32.
4112
4113 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4114
4115         PR c/5675
4116         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
4117         fold constant variables into initial values.
4118
4119 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4120
4121         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
4122
4123         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
4124         through the statements backward.
4125
4126 2005-01-17  Ian Lance Taylor  <ian@airs.com>
4127
4128         PR middle-end/13127:
4129         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
4130         a variable set to the return value of the inlined function.
4131
4132 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
4133
4134         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
4135         when modes are tieable.
4136
4137 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
4138
4139         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
4140         of pthread_create to find out if threads are enabled.
4141         * gthr-posix95.h (__gthread_active_p): Likewise.
4142
4143 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
4144
4145         * common.opt (-fnew-ra): Remove.
4146         * ra*.*: Remove.
4147         * toplev.h (flag_new_regalloc): Remove.
4148         * Makefile.in (ra*.*): Don't mention.
4149         * passes.c (rest_of_handle_new_regalloc): Remove.
4150         (rest_of_handle_combine, rest_of_compilation): Always consider
4151         flag_new_regalloc as false.
4152         * doc/invoke.texi: Don't document -fnew-ra.
4153
4154 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
4155
4156         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
4157         last parameter to reg_scan.
4158         * loop.c (loop_optimize): Likewise.
4159         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
4160         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
4161         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4162         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4163         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
4164         * regclass.c (reg_scan): Likewise, for the declaration.
4165         * rtl.h (reg_scan): Likewise, for the prototype.
4166
4167 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
4168
4169         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
4170         mark_dfs_back_edges.
4171
4172 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
4173
4174         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
4175         (compute_avail): Uses don't go in tmp_gen.
4176
4177 2005-01-16  Steven Bosscher  <stevenb@suse.de>
4178
4179         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
4180         loop to look for a free slot in a page entry.
4181
4182 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4183
4184         PR target/16304
4185         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
4186         * toplev.c (compile_file): Call process_pending_assemble_output_defs
4187         just before targetm.asm_out.file_end.
4188         * tree.h (process_pending_assemble_output_defs): Declare.
4189         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
4190         New functions.
4191         (assemble_alias): Defer generation of assembly code for defines when
4192         TARGET_DEFERRED_OUTPUT_DEFS is true.
4193         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4194         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
4195         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
4196
4197 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4198
4199         PR target/19336
4200         * pa.c (pa_scalar_mode_supported_p): New function.
4201         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4202         * pa.h (MIN_UNITS_PER_WORD): Add comment.
4203
4204         * pa-protos.h (prefetch_operand): Delete.
4205         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
4206         * pa.c (prefetch_operand): Delete.
4207         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
4208         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
4209         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
4210         and prefetch_nocc_operand.
4211         * pa.md (prefetch): Rework to avoid reload problems handling short
4212         displacements when a cache control completer needs to be provided.
4213         (prefetch_32, prefetch_64): Delete.
4214         (prefetch_cc, prefetch_nocc): New patterns.
4215
4216 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
4217
4218         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
4219
4220 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4221
4222         PR ada/19388
4223         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
4224         exceeds maximum alignment for global common data.
4225         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
4226         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
4227
4228 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4229
4230         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
4231
4232 2004-01-15  Roger Sayle  <roger@eyesopen.com>
4233
4234         * harg-reg-set.h (reg_class_names): Prototype global array.
4235         * regclass.c (reg_class_names): Declare here and initialize to
4236         REG_CLASS_NAMES.
4237         (dump_regclass): Remove local declaration of reg_class_names.
4238         (regclass): Likewise.
4239         * cfg.c (dump_flow_info): Likewise.
4240         * ra-debug.c (reg_class_names): Likewise.
4241         * regrename.c (reg_class_names): Likewise.
4242         * reload.c (reg_class_names): Likewise.
4243         * reload1.c (spill_failure): Likewise.
4244         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
4245
4246 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
4247
4248         * config/s390/s390.md ("reload_outti"): Remove predicate for
4249         output operand.  Abort if operand is not a MEM.
4250         ("reload_outdi", "reload_outdf"): Likewise.
4251
4252 2005-01-15  Marc Espie  <espie@openbsd.org>
4253
4254         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
4255         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
4256         * config/openbsd.h:  Fix C++ includes for native configurations.
4257         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
4258         Add trampoline support.
4259         * config/i386/openbsdelf.h: New.
4260
4261 2005-01-15  Marc Espie  <espie@openbsd.org>
4262
4263         * collect2.c (main): Explicitly parse -dynamic-linker option.
4264
4265 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
4266
4267         PR tree-optimization/19060
4268         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
4269         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
4270         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
4271         and handle extract_range_from_cond returning false.
4272         * fold-const.c (fold): Optimize comparisons with min/max even for
4273         width > HOST_BITS_PER_WIDE_INT.
4274
4275 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
4276
4277         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
4278         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
4279         Remove little endian multilib variants.
4280         Add mips32 multilib variant.
4281
4282 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
4283
4284         * explow.c (copy_all_reg, stabilize): Remove.
4285         * expr.h: Remove the corresponding prototypes.
4286
4287         * rtlanal.c (regs_set_between_p): Remove.
4288         * rtl.h: Remove the corresponding prototype.
4289
4290 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
4291
4292         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
4293         to rs6000_nonimmediate_operand.
4294         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
4295         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
4296         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
4297         rs6000_nonimmediate_operand.
4298         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
4299         rs6000_nonimmediate_operand.
4300
4301 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
4302
4303         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
4304
4305 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4306
4307         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
4308         on e500v2.
4309         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
4310         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
4311
4312         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
4313         (rs6k_nonimmediate_operand): New.
4314         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
4315         correctly.
4316         (legitimate_lo_sum_address_p): Same.
4317         (rs6000_legitimize_address): Same.
4318         (rs6000_legitimize_reload_address): Same.
4319         (rs6000_legitimate_address): Same.
4320         (spe_build_register_parallel): Pass DF and DC modes in a DI
4321         register.
4322
4323         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
4324         to rs6k_nonimmediate_operand.
4325
4326         * config/rs6000/spe.md ("*frob_df_di"): New.
4327         ("*frob_di_df"): New.
4328         ("*frob_di_df_2"): New.
4329         ("*mov_sidf_e500_subreg0"): New.
4330         ("*mov_sidf_e500_subreg4"): New.
4331         ("*movdf_e500_double"): Change predicate to
4332         rs6k_nonimmediate_operand.
4333
4334 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4335
4336         * postreload.c (move2add_note_store): Only call
4337         trunc_int_for_mode on scalar integers.
4338
4339 2005-01-14  Steven Bosscher  <stevenb@suse.de>
4340
4341         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
4342         replace BB_VISITED uses.
4343         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
4344         (propagate_necessity): Check the bitmap instead of BB_VISITED.
4345         (tree_dce_done): Free visited_control_parents.
4346         (perform_tree_ssa_dce): Allocate and clear it.
4347         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
4348         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
4349         instead of BB_VISITED.
4350
4351 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
4352
4353         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
4354         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
4355         Remove unused prototypes.
4356
4357 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4358
4359         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
4360         64-bit register usage.
4361         (spe_func_has_64bit_regs_p): Add FIXME note.
4362
4363 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
4364
4365         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
4366         flag_finite_math_only with flag_unsafe_math_optimizations.
4367
4368 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
4369
4370         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
4371         end-of-stack check.
4372         (__tpf_eh_return): Copy TPF private stack area from the module
4373         boundary stack frame.  Add check for when module addresses are
4374         equal, but no stub address is found.
4375
4376 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
4377
4378         PR target/7525
4379         * arm.h (struct machine_function): Add call_via field.
4380         (thumb_call_via_label): Declare.
4381         * arm.c (thumb_call_via_label): New variable.
4382         (thumb_call_reg_needed): New variable.
4383         (arm_output_function_epilogue): For Thumb code, output any per-function
4384         call-indirect trampolines.
4385         (thumb_call_via_reg): New function.
4386         (arm_file_end): New function.
4387         (TARGET_ASM_FILE_END): Call arm_file_end.
4388         (aof_file_end): Likewise.
4389         * arm-protos.h (thumb_call_via_reg): Declare.
4390         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
4391         thumb_call_via_reg in normal case.
4392
4393 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
4394
4395         PR middle-end/19084
4396         PR rtl-optimization/19348
4397         * recog.c (peephole2_optimize): Do global life update if some peephole
4398         decides it doesn't need at least one of its inputs and that change
4399         influences liveness at the start of the basic block.
4400
4401         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
4402         arguments instead of 1.
4403
4404 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
4405
4406         PR middle-end/18820
4407         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
4408         zero for nested functions needing a static chain or functions
4409         with a non-constant address.
4410
4411 2005-01-13  Roger Sayle  <roger@eyesopen.com>
4412
4413         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
4414         (and (sign_extend X) C) into (zero_extend (and X C)).
4415
4416 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
4417
4418         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
4419
4420 2005-01-13  Richard Henderson  <rth@redhat.com>
4421
4422         PR target/19009
4423         PR target/19250
4424         PR target/19252
4425         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
4426         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
4427         not just TARGET_SSE.
4428         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
4429         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
4430         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
4431         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
4432         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
4433         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
4434         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
4435         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
4436         (movdicc_c_rex64): Rename with '*'.
4437         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
4438         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
4439         (movsfcc_1_387): Rename from movsfcc_1.
4440         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
4441         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
4442         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
4443         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
4444         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
4445         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
4446         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
4447         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
4448         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
4449         sse_movdfcc_const0_4): Remove.
4450         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
4451         recognize min/max early.  Update for changed sse cmove patterns.
4452         (ix86_split_sse_movcc): New.
4453         * config/i386/i386-protos.h: Update.
4454
4455 2005-01-13  Steven Bosscher  <stevenb@suse.de>
4456
4457         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
4458         (fix_stmt_v_may_defs): Likewise.
4459
4460 2005-01-13  Richard Henderson  <rth@redhat.com>
4461
4462         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
4463         for converting the mask.
4464
4465 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
4466
4467         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
4468         definition to 600.
4469
4470 2005-01-13  Richard Henderson  <rth@redhat.com>
4471
4472         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
4473         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
4474         IX86_BUILTIN_MOVDQ2Q): Remove.
4475         (IX86_BUILTIN_VEC_EXT_V4SI): New.
4476         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
4477         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
4478         shuffling.
4479         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
4480         (sse2_pextrw): Fix immediate constraint.
4481         (sse2_loadq, sse2_loadq_rex64): Remove.
4482         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
4483         Use __builtin_ia32_vec_ext_<size>.
4484         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
4485
4486 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
4487
4488         * function.c (assign_parm_setup_block): Look inside original
4489         entry_parm when inspecting PARALLEL.
4490
4491 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
4492             Joel Sherrill  <joel@oarcorp.com>
4493
4494         PR target/19399
4495         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
4496         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
4497         rtems_gxx_recursive_mutex_init.
4498         (__gthread_recursive_mutex_lock): New function.
4499         (__gthread_recursive_mutex_trylock): Likewise.
4500         (__gthread_recursive_mutex_unlock): Likewise.
4501
4502 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
4503
4504         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
4505
4506 2005-01-13  Jan Beulich  <jbeulich@novell.com>
4507
4508         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
4509         (ashrti3_internal): Indicate output is early clobber. Generate result
4510         into output rather than first input. Use move for low word of output
4511         if shift count is exactly 64.
4512         (lshrti3_internal): Likewise.
4513
4514 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
4515
4516         PR target/18329
4517         PR target/18330
4518         * reload1.c (delete_output_reload): Don't delete an output reload
4519         if the pseudo lives longer than a single basic block.  Adjust and
4520         improve wording of comment.
4521
4522 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
4523
4524         PR target/19334
4525         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
4526         of TYPE_SIZE where we mean the number of bytes.
4527
4528 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
4529
4530         * function.c (assign_parm_setup_block): Relax condition on
4531         multi-register optimization.
4532
4533 2005-01-12  Nick Clifton  <nickc@redhat.com>
4534
4535         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
4536         an "in_delay_slot" attribute of "no" to prevent them being used in
4537         delay slots.  This is forbidden because they might generate
4538         exceptions.
4539
4540 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
4541
4542         PR target/19389
4543         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
4544         with r->Y and Y->r.
4545
4546 2005-01-12  Nick Clifton  <nickc@redhat.com>
4547
4548         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
4549         passed on to GAS) but do not define, as GAS no longer supports or
4550         needs the -m2000 option.
4551
4552 2005-01-11  Roger Sayle  <roger@eyesopen.com>
4553
4554         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
4555         type as args of unprototyped builtins aren't automatically promoted.
4556         (fold_builtin_abs): Likewise.
4557
4558 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4559
4560         * Makefile.in: Set a `build-warn' variable.
4561
4562 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
4563
4564         PR tree-optimization/17949
4565         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
4566         (find_interesting_uses_address): Use it.
4567
4568 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
4569
4570         * regrename.c (kill_value): Handle subreg's that won't simplify.
4571
4572 2005-01-11  Richard Henderson  <rth@redhat.com>
4573
4574         PR target/13366
4575         * config/i386/i386.h (enum ix86_builtins): Move ...
4576         * config/i386/i386.c: ... here.
4577         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
4578         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
4579         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
4580         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
4581         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
4582         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
4583         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
4584         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
4585         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
4586         IX86_BUILTIN_LOADDDUP): Remove.
4587         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
4588         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
4589         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
4590         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
4591         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
4592         (ix86_init_builtins): Make static.
4593         (ix86_init_mmx_sse_builtins): Update for changed builtins.
4594         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
4595         if all the modes match.  Otherwise, fake it.
4596         (get_element_number, ix86_expand_vec_init_builtin,
4597         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
4598         (ix86_expand_builtin): Make static.  Update for changed builtins.
4599         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
4600         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
4601         (ix86_expand_vector_init_duplicate): New.
4602         (ix86_expand_vector_init_low_nonzero): New.
4603         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
4604         Split out from ix86_expand_vector_init; handle integer modes.
4605         (ix86_expand_vector_init): Use them.
4606         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
4607         * config/i386/i386-protos.h: Update.
4608         * config/i386/predicates.md (reg_or_0_operand): New.
4609         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
4610         (movv2sf_internal): Likewise.  And a splitter to match them all.
4611         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
4612         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
4613         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
4614         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
4615         (mmx_pinsrw): Fix operand ordering.
4616         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
4617         rather than sse_loadss expander.
4618         (movv2df splitter): Similarly.
4619         (sse_loadss, sse_loadlss): Remove.
4620         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
4621         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
4622         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
4623         (sse3_movddup): Rename with '*'.
4624         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
4625         (sse2_loadsd): Remove.
4626         (vec_dupv2df_sse3): Rename from sse3_loadddup.
4627         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
4628         (sse2_pinsrw): Fix argument ordering.
4629         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
4630         (sse2_stored): Remove 'r' destination.
4631         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
4632         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
4633         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
4634         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
4635         vec_extractv16qi, vec_initv16qi): New.
4636
4637         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
4638         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
4639         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
4640         constructor form.
4641         (_mm_load_pd, _mm_store_pd): Use plain dereference.
4642         (_mm_load_si128, _mm_store_si128): Likewise.
4643         (_mm_load1_pd): Use _mm_set1_pd.
4644         (_mm_load_sd): Use _mm_set_sd.
4645         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
4646         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
4647         (_mm_set_epi64): Use _mm_set_epi64x.
4648         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
4649         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
4650         _mm_setr_epi8): Use _mm_set_foo form.
4651         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
4652         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
4653         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
4654         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
4655         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
4656         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
4657         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
4658         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
4659         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
4660         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
4661         (_mm_movedup_pd): Use _mm_shuffle_pd.
4662         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
4663         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
4664         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
4665         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
4666         Use _mm_setzero_ps.
4667         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
4668         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
4669         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
4670         (_mm_store_ps): Use raw dereference.
4671         (_mm_store1_ps): Use _mm_storeu_ps.
4672         (_mm_storer_ps): Use _mm_store_ps.
4673         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
4674         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
4675
4676 2005-01-11  Stan Shebs  <shebs@apple.com>
4677
4678         * config/rs6000/rs6000.c (machopic_output_stub): Issue
4679         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
4680
4681 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
4682
4683         PR target/18761
4684         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
4685         Skip all DECLs except for FIELD_DECLs.
4686
4687 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4688
4689         * config/s390/s390.c (override_options): Return error if
4690         -mbackchain, -mpacked-stack and -mhard-float are used together.
4691         (s390_va_start): Remove the backchain && packed-stack special case.
4692         (s390_gimplify_va_arg): Likewise.
4693         * doc/invoke.texi: Remove the ABI incompatibility note.
4694
4695 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
4696
4697         * config/s390/s390.c (struct s390_frame_layout): Remove
4698         save_backchain_p.
4699         (s390_frame_info, s390_emit_prologue): Replace occurrences of
4700         save_backchain_p with TARGET_BACKCHAIN.
4701
4702 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4703
4704         PR target/18916
4705         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
4706         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
4707         * function.c (locate_and_pad_parm): Set new field.
4708         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
4709         Tweak where_pad test to include "none".  Always set mem align for
4710         stack_parm.
4711         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
4712         not sufficient for type.
4713         (assign_parm_setup_block): If stack_parm is zero on entry, always
4714         make a new stack local.  Block move old stack parm if necessary
4715         to new aligned stack local.
4716         (assign_parm_setup_stack): Use a block move to handle
4717         potentially misaligned entry_parm.
4718         (assign_parms_unsplit_complex): Specify required alignment when
4719         creating stack local.
4720         * calls.c (compute_argument_addresses): Override alignment of stack
4721         arg calculated from its type with the alignment given by
4722         FUNCTION_ARG_BOUNDARY.
4723         (store_one_arg): Likewise.
4724
4725 2005-01-11  Jan Beulich  <jbeulich@novell.com>
4726
4727         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
4728         Change respective itanium_class attribute to ialu.
4729         (shladdp4_internal): New.
4730         * config/ia64/predicates.md (shladd_log2_operand): New.
4731
4732 2005-01-11  Richard Henderson  <rth@redhat.com>
4733
4734         * expr.c (store_constructor): Use rtvec_alloc instead of
4735         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
4736
4737 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
4738
4739         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
4740
4741 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
4742
4743         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
4744         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
4745         (TARGET_RWRELOC): Define.
4746         (ia64_rwreloc_section_type_flags): Delete.
4747         (ia64_section_type_flags): New function.
4748         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
4749         (TARGET_RWRELOC): Define.
4750
4751 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
4752
4753         PR target/18987
4754         * config/ia64/ia64.c (process_set): For alloc insn, only call
4755         process_epilogue is !frame_pointer_needed.
4756
4757 2005-01-10  Roger Sayle  <roger@eyesopen.com>
4758
4759         PR c++/19355
4760         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
4761         unary operator and can't be treated as a binary/comparison operator.
4762
4763 2005-01-10  Richard Henderson  <rth@redhat.com>
4764
4765         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
4766         (ix86_return_in_memory): Likewise.
4767         (function_arg_advance):  Likewise.  Mirror structure in function_arg
4768         for choosing register to advance.
4769
4770 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
4771
4772         * tree-vectorizer.c, tree.def: Fix comment typos.
4773
4774 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
4775
4776         * config/s390/s390.c (struct processor_costs): 4 new fields:
4777         ddbr, ddr, debr, der.
4778         (s390_rtx_costs): More precise handling of divide instructions.
4779
4780 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
4781
4782         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
4783
4784 2005-01-10  Jan Beulich  <jbeulich@novell.com>
4785
4786         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
4787         names resulting from -ffunction-sections/-fdata-sections and linkonce
4788         ones.
4789         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
4790         based on the section name. Rearrange the section name comparison logic
4791         slightly so that each section name is compared against at most once.
4792
4793 2005-01-10  Ben Elliston  <bje@au.ibm.com>
4794
4795         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
4796         targets for which -fPIC reduces limitations on the GOT size.
4797
4798 2005-01-09  Falk Hueffner  <falk@debian.org>
4799
4800         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
4801         X/C1 cmpop C2.
4802
4803 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
4804
4805         PR target/18720
4806         * collect2.c (main): Set aixrtl_flag for -brtl option.
4807         (resolve_lib_name): Search for .so file extension before .a
4808         if aixrtl_flag set.
4809
4810 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
4811
4812         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
4813         (vect_analyze_data_refs_alignment): Add dump prints.
4814
4815 2005-01-09  Ira Rosen  <irar@il.ibm.com>
4816
4817         * tree-vectorizer.c (vect_analyze_offset_expr): Use
4818         expr_invariant_in_loop_p.
4819         Initialize outputs first thing in the function.
4820         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
4821         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
4822         (vect_analyze_pointer_ref_access): Check that the initial condition of
4823         the access function is loop invariant.
4824
4825 2005-01-09  Richard Henderson  <rth@redhat.com>
4826
4827         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
4828         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
4829         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
4830         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
4831         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
4832         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
4833         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
4834         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
4835         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
4836         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
4837         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
4838         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
4839         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
4840         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
4841         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
4842         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
4843         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
4844         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
4845         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
4846         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
4847         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
4848         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
4849         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
4850         mmx_ prefix.
4851         (mmx_clrdi, pavgusb): Remove.
4852         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
4853         with leading sse_ prefix.
4854         * config/i386/sse.md: Receive them.
4855         * config/i386/mmx.md: New file.
4856         (MMXMODE12, MMXMODE24, mmxvecsize): New.
4857         (subrv2sf3): Turn into expander for normal subtraction.
4858         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
4859         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
4860         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
4861         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
4862         commutative; use ix86_binary_operator_ok.
4863         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
4864         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
4865         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
4866         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
4867         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
4868         Macroize from existing patterns; use ix86_binary_operator_ok.
4869         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
4870         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
4871         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
4872         with vec_select+vec_concat.
4873         (mmx_pshufw, mmx_pshufw_1): Likewise.
4874         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
4875         (mmx_uavgv4hi3): Model correctly.
4876         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
4877         _mm_xor_si64): Remove casts.
4878
4879 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
4880
4881         PR tree-optimization/19224
4882         * tree-scalar-evolution.c (get_instantiated_value,
4883         set_instantiated_value): New functions.
4884         (instantiate_parameters_1): Cache the results.
4885         (instantiate_parameters, resolve_mixers): Initialize and free
4886         the cache.
4887
4888 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
4889
4890         * config/i386/i386.md (addhi_4): Correct reference in comment.
4891         (addqi_4): Same.
4892
4893 2005-01-08  Richard Henderson  <rth@redhat.com>
4894
4895         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
4896         (_mm_cvtsi128_si64x): Likewise.
4897         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
4898         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
4899         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
4900         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
4901         * config/i386/i386-protos.h: Update.
4902         * config/i386/i386.c (print_operand): Add 'H'.
4903         (ix86_fixup_binary_operands): Split out from ...
4904         (ix86_expand_binary_operator): ... here.
4905         (ix86_fixup_binary_operands_no_copy): New.
4906         (ix86_expand_fp_absneg_operator): Handle vector mode results.
4907         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
4908         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
4909         (safe_vector_operand): Use CONST0_RTX.
4910         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
4911         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
4912         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
4913         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
4914         special cases.
4915         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
4916         (IX86_BUILTIN_CMPNGESS): New.
4917         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
4918         (attr type): Add sselog1.
4919         (attr unit, attr memory): Handle it.
4920         (movti, movti_internal, movti_rex64): Move near other integer moves.
4921         (movtf, movtf_internal): Move near other fp moves.
4922         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
4923         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
4924         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
4925         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
4926         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
4927         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
4928         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
4929         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
4930         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
4931         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
4932         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
4933         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
4934         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
4935         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
4936         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
4937         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
4938         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
4939         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
4940         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
4941         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
4942         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
4943         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
4944         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
4945         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
4946         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
4947         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
4948         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
4949         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
4950         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
4951         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
4952         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
4953         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
4954         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
4955         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
4956         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
4957         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
4958         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
4959         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
4960         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
4961         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
4962         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
4963         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
4964         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
4965         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
4966         same time.
4967         (SSEPUSH, push<SSEPUSH>): Remove.
4968         (MMXPUSH, push<MMXPUSH>): Remove.
4969         (sse_movaps, sse_movaps_1, sse_movups): Remove.
4970         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
4971         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
4972         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
4973         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
4974         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
4975         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
4976         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
4977         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
4978         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
4979         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
4980         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
4981         (ppro_sse_log_V4SF): Handle sselog1.
4982         * config/i386/predicates.md (const_0_to_1_operand): New.
4983         (const_0_to_255_mul_8_operand): New.
4984         (const_1_to_31_operand): Rename from const_int_1_31_operand.
4985         (const_2_to_3_operand, const_4_to_7_operand): New.
4986         * config/i386/sse.md: New file.
4987         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
4988         (sse_movups): Rename from sse_movups_1.
4989         (sse_loadlss): Rename from sse_loadss_1.
4990         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
4991         from the name.
4992         (negv4sf2): Use ix86_expand_fp_absneg_operator.
4993         (absv4sf2, negv2df, absv2df): New.
4994         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
4995         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
4996         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
4997         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
4998         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
4999         (sse3_addsubv4sf3): Model correctly.
5000         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
5001         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
5002         (sse_movhlps): Model with vec_select+vec_concat.
5003         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
5004         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
5005         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
5006         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
5007         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
5008         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
5009         sse2_pshufhw_1): Likewise.
5010         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
5011         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
5012         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
5013         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
5014         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
5015         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
5016         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
5017         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
5018         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
5019         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
5020         sminv8hi3): Mark commutative
5021         operands.  Use ix86_binary_operator_ok.
5022         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
5023         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
5024         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
5025         sse2_punpcklqdq): Allow operand2 in memory.
5026         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
5027         sse2_movsd): Add memory alternatives.
5028         (sse_storelps): Turn expander into an insn; split after reload.
5029         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
5030         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
5031
5032 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
5033
5034         * configure.ac (DWARF-2 debug_line): Use objdump.
5035         * configure: Regenerate.
5036
5037 2005-01-08  Jeff Law  <law@redhat.com>
5038             Diego Novillo  <dnovillo@redhat.com>
5039
5040         PR tree-optimization/18241
5041         * tree-nrv.c (tree_nrv): Ignore volatile return values.
5042         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
5043         statements with volatile operands.
5044         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
5045         operands after marking a statement with has_volatile_ops.
5046
5047 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5048
5049         * tree.c (int_fits_type_p): Always honor integer constant
5050         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
5051
5052 2005-01-08  Roger Sayle  <roger@eyesopen.com>
5053
5054         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
5055         the latent bug in rtl_delete_block has been resolved.
5056
5057 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5058
5059         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
5060         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
5061
5062 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
5063
5064         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
5065         library as @multilib_dir@/$(SHLIB_SONAME).
5066
5067 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5068
5069         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
5070         * configure: Regenerate.
5071
5072 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5073
5074         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
5075         TYPE_MODE.
5076
5077 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
5078
5079         PR target/13674
5080         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
5081         Convert non-word aligned offset address using ld/std into
5082         indirect address.
5083
5084 2005-01-07  Richard Henderson  <rth@redhat.com>
5085
5086         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
5087
5088 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
5089
5090         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
5091
5092 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
5093
5094         PR tree-optimization/19283
5095         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
5096         is not shorter than the original type.
5097
5098         PR rtl-optimization/19012
5099         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
5100
5101         PR rtl-optimization/18861
5102         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
5103         (FULL_STATE): Define.
5104         (mark_tablejump_edge): New function.
5105         (purge_dead_tablejump_edges): New function.
5106         (find_bb_boundaries): Use it.
5107
5108         PR tree-optimization/18828
5109         * builtins.c (expand_builtin_next_arg): Remove argument and all
5110         the argument checking.
5111         (expand_builtin): Adjust caller.
5112         (expand_builtin_va_start): Likewise.  Remove error for too many
5113         arguments.
5114         (fold_builtin_next_arg): Issue error for too many arguments.
5115         After checking arguments, replace them with magic arguments that
5116         prevent further checking of the args.
5117
5118 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5119
5120         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
5121
5122 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5123
5124         PR target/6077
5125         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
5126         and %{.S:...} (and their negative variants) to test whether the
5127         input file is assembler or pre-processed-assembler independent of
5128         the actual filename extension.
5129
5130 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5131
5132         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
5133         of sign or zero extended values.
5134
5135 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
5136
5137         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
5138         for IBM long double format correctly.
5139
5140 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
5141
5142         Fix PR tree-optimization/18792
5143
5144         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
5145         to first_loop_depth, and use loop depth instead of loop number.
5146         (build_classic_dir_vector): Ditto.
5147         (compute_data_dependences_for_loop): Use depth, not loop number.
5148         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
5149         number. Pass in loops, instead of loop numbers.
5150         (gather_interchange_stats): Ditto.
5151         (linear_transform_loops): Ditto.
5152
5153 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
5154
5155         PR rtl-opt/13299
5156         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
5157         biv_fits_mode_p, extension_within_bounds_p): New functions.
5158         (check_ext_dependent_givs): Use them.
5159
5160 2005-01-06  Roger Sayle  <roger@eyesopen.com>
5161
5162         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
5163         more than one barrier, in which case we should delete them all.
5164
5165 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
5166
5167         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
5168
5169 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
5170
5171         Fix PR middle-end/19286
5172         Fix PR debug/19267
5173         * dwarf2out.c (gen_subprogram_die): If we've already tried to
5174         output this subprogram, simply ignore this attempt to do it again.
5175         (add_abstract_origin_attribute): Don't abort trying to add the abstract
5176         origin attribute if it's not possible.
5177         (gen_block_die): Don't ignore subblocks of "unused" blocks.
5178         (decls_for_scope): Ditto.
5179         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
5180         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
5181
5182 2005-01-05  Richard Henderson  <rth@redhat.com>
5183
5184         PR target/11327
5185         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
5186         (bdesc_2arg): Use it.
5187         (ix86_expand_binop_builtin): Force operands into registers
5188         when optimizing.
5189         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
5190         ix86_expand_sse_compare, ix86_expand_sse_comi,
5191         ix86_expand_builtin): Likewise.
5192
5193 2005-01-05  Richard Henderson  <rth@redhat.com>
5194
5195         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
5196         and VEC_SELECT.
5197         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
5198         (mulv4hi3): Set itanium_class mmmul.
5199         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
5200         (fpack): Rename from fpack_sfsf.
5201
5202 2005-01-05  Richard Henderson  <rth@redhat.com>
5203
5204         PR rtl-opt/10692
5205         * reload1.c (do_input_reload): Restrict the optimization deleteing
5206         a previous output reload to RELOAD_FOR_INPUT.
5207
5208 2005-01-05  Steven Bosscher  <stevenb@suse.de>
5209
5210         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
5211         comment that we fall through after case.
5212         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
5213         (distribute_links): Likewise.
5214         * cse.c (cse_insn): Likewise.
5215         * cselib.c (cselib_invalidate_mem): Likewise.
5216         * df.c: Update comments at the top of the file.
5217         (read_modify_subreg_p): Update comments here too.
5218         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
5219         * flow.c (mark_set_1): Likewise.
5220         (mark_used_regs): Likewise.
5221         * gcse.c (mems_conflict_for_gcse_p): Likewise.
5222         (canon_list_insert): Likewise.
5223         (mark_set): Likewise.
5224         (try_replace_reg): Likewise.
5225         (store_killed_in_insn): Likewise.
5226         * loop.c (count_one_set): Likewise.
5227         (basic_induction_var): Likewise.
5228         * postreload-gcse.c (find_mem_conflicts): Likewise.
5229         * postreload.c (reload_combine_note_store): Likewise.
5230         (move2add_note_store): Likewise.
5231         * reload.c (find_equiv_reg): Likewise.
5232         (mark_referenced_resources): Likewise.
5233         * rtlanal.c (set_noop_p): Likewise.
5234         (note_stores): Likewise.
5235         (note_uses): Likewise.
5236         * sched-deps.c (sched_analyze_1): Likewise.
5237         * sched-rgn.c (check_live_1): Likewise.
5238         (update_live_1): Likewise.
5239         * config/i860/i860.c: Likewise.
5240
5241         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
5242         an lvalue.
5243         (ZERO_EXTRACT): Mention that this one can be an lvalue.
5244
5245         * doc/rtl.texi: Update documentation for bit-fields and SET.
5246
5247 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5248
5249         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
5250
5251 2005-01-05  Jan Hubicka  <jh@suse.cz>
5252             Richard Henderson  <rth@redhat.com>
5253
5254         PR target/18910
5255         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
5256         with an offset.
5257
5258 2005-01-05  Richard Henderson  <rth@redhat.com>
5259
5260         PR target/12902
5261         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
5262         (sse_shufps): Change operand 3 to const_int_operand.
5263         (sse2_storelps): Fix typo in template.
5264         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
5265         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
5266         (ix86_expand_builtin): Likewise.
5267
5268 2005-01-05  Julian Brown  <julian@codesourcery.com>
5269
5270         * config/arm/arm.c (arm_return_in_memory): Treat complex types
5271         as aggregates for AAPCS ABIs.
5272
5273 2005-01-05  Stan Shebs  <shebs@apple.com>
5274
5275         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
5276         Mach-O getters if ppc64.
5277         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
5278         size argument.
5279         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
5280         signed four-byte field for global code case.
5281         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
5282
5283 2005-01-05  Roger Sayle  <roger@eyesopen.com>
5284
5285         PR middle-end/19100
5286         * c-common.c: Include real.h.
5287         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
5288         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
5289         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
5290         * Makefile.in (c-common.o): Update dependencies.
5291
5292 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5293
5294         * c-parse.in (asm_string): Add trailing semicolon.
5295
5296 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5297
5298         * c-parse.in (asm_string): New.  Don't allow wide strings in
5299         'asm'.
5300         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
5301         asm_string instead of STRING.
5302
5303 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
5304
5305         * c-typeck.c (constructor_no_implicit): Remove.
5306         (set_designator, process_init_element): Don't check
5307         constructor_no_implicit.
5308
5309 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
5310             Kaz Kojima  <kkojima@gcc.gnu.org>
5311
5312         PR target/16482
5313         * lcm.c (create_pre_exit): New.
5314         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
5315         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
5316
5317 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5318
5319         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
5320         -msoft-float in target_float_switch.
5321         * arm.c (arm_override_options): Fix processing of target_float_switch.
5322
5323 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
5324
5325         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
5326         preferencing.
5327
5328 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
5329
5330         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
5331         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
5332
5333 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5334
5335         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
5336         if deleting the then-block allows the test-block to fallthru to the
5337         else-block.
5338
5339 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
5340
5341         PR c/19152
5342         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
5343         after the full declaration if the are in two different TUs.
5344
5345 2005-01-04  Richard Henderson  <rth@redhat.com>
5346
5347         PR tree-opt/19158
5348         * tree-sra.c (generate_one_element_init): Just
5349         call gimplify_and_add.
5350         (generate_element_init): Record the
5351         new referenced variables and mark them for renaming
5352         and split out to ...
5353         (generate_element_init_1): This.
5354         (scalarize_init): Don't call push_gimplify_context/
5355         pop_gimplify_context.
5356
5357 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
5358
5359         * toplev.c (get_src_pwd): Handle failure of getpwd().
5360
5361 2005-01-04  Roger Sayle  <roger@eyesopen.com>
5362
5363         * fold-const.c (fold_single_bit_test): Delete unreachable handling
5364         of TRUTH_NOT_EXPR.
5365         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
5366         all the cases handled by it are inverted by invert_truthvalue.
5367
5368 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5369
5370         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
5371         (save_register_windowsi): Likewise.
5372
5373 2005-01-04  Richard Henderson  <rth@redhat.com>
5374
5375         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
5376
5377 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5378
5379         PR middle-end/17767
5380         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
5381         any simplifications of vector mode comparison operators.
5382         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
5383
5384 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
5385             Devang Patel  <dpatel@apple.com>
5386
5387         PR tree-optimization/18308
5388         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
5389         the operands before creating a new expression.
5390         * dojump.c (do_jump): Make drop_through_label available
5391         for all cases.  Add expansion of COND_EXPR.
5392
5393 2005-01-04  Ira Rosen  <irar@il.ibm.com>
5394
5395         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
5396         INTEGER_CST instead of TREE_CONSTANT.
5397         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
5398         instead of TREE_CONSTANT.
5399         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
5400         instead of TREE_CONSTANT.
5401
5402 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5403
5404         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
5405
5406 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
5407
5408         PR target/19240
5409         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
5410         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
5411
5412 2005-01-03  Richard Henderson  <rth@redhat.com>
5413
5414         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
5415         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
5416         fold_convert_const_real_from_real): Split out from ...
5417         (fold_convert_const): ... here.
5418
5419 2005-01-03  Richard Henderson  <rth@redhat.com>
5420
5421         PR target/19235
5422         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
5423         (mov<MMXMODEI>_internal): Likewise.
5424         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
5425         Add V2SF case; use it for SSE1; don't use TI.
5426         (movdf_integer): Likewise.
5427         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
5428
5429 2005-01-03  Ira Rosen  <irar@il.ibm.com>
5430
5431         * tree-vectorizer.c (vect_strip_conversions): New function.
5432         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
5433         check for binary class.
5434
5435 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
5436
5437         Fix PR debug/17924
5438         Fix PR debug/19191
5439         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
5440         is a decl.
5441         * gimple-low.c (mark_blocks_with_used_vars): New function.
5442         (mark_blocks_with_used_subblocks): Ditto.
5443         (mark_used_blocks): Ditto.
5444         (pass_mark_used_blocks): New pass.
5445         * tree-inline.c: Include debug.h.
5446         (expand_call_inline): Call outlining_inline_function here.
5447         * tree-optimize.c (init_tree_optimization_passes): Add
5448         pass_mark_used_blocks.
5449         * tree-pass.h (pass_mark_used_blocks): New.
5450         * Makefile.in (tree-inline.o): Add debug.h dependency.
5451
5452 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
5453
5454         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
5455         VAR_DECLs to have weak_import attribute.
5456
5457         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
5458         'struct ucontext'.
5459
5460 2004-01-03  Steven Bosscher  <stevenb@suse.de>
5461
5462         * passes.c (rest_of_compilation): Don't run regmove if only
5463         flag_expensive_optimizations, require flag_regmove instead.
5464
5465 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5466
5467         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
5468         register "sparc".
5469         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
5470         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5471         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
5472         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5473
5474 2005-01-03  Richard Henderson  <rth@redhat.com>
5475
5476         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
5477         (ia64_const_ok_for_letter_p): New.
5478         (ia64_const_double_ok_for_letter_p): New.
5479         (ia64_extra_constraint): New.
5480         (ia64_expand_vecint_compare): New.
5481         (ia64_expand_vcondu_v2si): New.
5482         (ia64_expand_vecint_cmov): New.
5483         (ia64_expand_vecint_minmax): New.
5484         (ia64_print_operand): Add 'v'.
5485         (ia64_preferred_reload_class): New.
5486         (ia64_vector_mode_supported_p): New.
5487         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
5488         (PREFERRED_RELOAD_CLASS): Move to function.
5489         (CONST_OK_FOR_LETTER_P): Move to function.
5490         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
5491         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
5492         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
5493         (EXTRA_CONSTRAINT): Move to function.
5494         * config/ia64/ia64.md: Include vect.md.
5495         (itanium_class): Add mmalua.
5496         (type): Handle it.
5497         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
5498         (1b_mmalua): New.
5499         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
5500         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
5501         CONST0_RTX.
5502         (const_int_2bit_operand): New.
5503         (fr_reg_or_0_operand): New.
5504         * config/ia64/ia64-modes.def: Add vector modes.
5505         * config/ia64/ia64-protos.h: Update.
5506         * config/ia64/vect.md: New file.
5507
5508 2005-01-03  Richard Henderson  <rth@redhat.com>
5509
5510         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
5511
5512 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
5513
5514         PR target/19236
5515         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
5516         to SFmode.
5517         (log1pdf2): Change mode of operands[0,1] to DFmode.
5518
5519 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5520
5521         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
5522         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
5523         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
5524         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
5525         SPARC_RELAXED_ORDERING.
5526
5527 2005-01-03  Richard Henderson  <rth@redhat.com>
5528             Uros Bizjak  <uros@kss-loka.si>
5529
5530         PR target/14631
5531         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
5532         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
5533         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
5534         handling.
5535         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
5536         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
5537         const_pow2_1_to_128_operand): New predicates.
5538
5539 2005-01-02  Greg McGary  <greg@mcgary.org>
5540
5541         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
5542         anonymous decls.
5543         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
5544         object.  [ptr_type]: Remove unused variable.
5545         Remember nearest addressable array-element or record-component
5546         when checking bitfield components.  Tolerate empty BIND_EXPR.
5547
5548 2005-01-01  Richard Henderson  <rth@redhat.com>
5549
5550         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
5551         that don't narrow the value.  Fail for other conversions.
5552
5553 2005-01-01  Richard Henderson  <rth@redhat.com>
5554
5555         PR c/19031
5556         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
5557         * c-lang.c (finish_file): Don't do it here.
5558         * objc/objc-act.c (objc_finish_file): Likewise.
5559
5560         * cgraph.c (decl_assembler_name_equal): New.
5561         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
5562         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
5563         * cgraph.h (struct cgraph_varpool_node): Add next.
5564         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
5565         * varasm.c (assemble_alias): Mark the target as needed.
5566
5567 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
5568
5569         PR middle-end/19221
5570         * function.c (get_arg_pointer_save_area): Use entry_of_function
5571         instead of get_insns.
5572
5573 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5574             Andrew Pinski  <pinskia@physics.uc.edu>
5575             James E. Wilson  <wilson@specifixinc.com>
5576
5577         PR rtl-optimization/12092
5578         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
5579         is zero.
5580
5581 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5582             Olivier Hainque  <hainque@act-europe.fr>
5583
5584         * tree.c (int_fits_type_p): A narrower type always fits in a
5585         wider one, except for negative values into unsigned types.
5586
5587 2005-01-01  Roger Sayle  <roger@eyesopen.com>
5588
5589         * tree.c (int_fits_type_p): Compare the result of force_fit_type
5590         with the original constant rather than require TREE_OVERFLOW.
5591
5592 2005-01-01  Steven Bosscher  <stevenb@suse.de>
5593
5594         PR middle-end/17544
5595         * c-decl.c (finish_function): If compiling C99, annotate the
5596         compiler generated return with the current file name and line 0.
5597         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
5598         the source line is greater than 0.
5599         (remove_bb): Likewise.
5600
5601 See ChangeLog.12 for earlier changes.