gcc/ChangeLog

   1 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
   2
   3         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
   4         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
   5         check is now implied in X87_FLOAT_MODE_P.
   6         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
   7         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
   8         (fix_trunc<mode>_i386_fisttp): Ditto.
   9         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
  10         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
  11         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
  12         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
  13         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
  14         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
  15         (unnamed_splitters): Ditto.
  16         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
  17         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
  18         FIRST_SSE_REG for local functions when SSE math is enabled or
  19         for functions with sseregparm attribute.
  20         (standard_80387_constant_p): Return -1 if mode is not
  21         X87_FLOAT_MODE_P.
  22         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
  23         (ix86_expand_compare): Ditto.
  24         (ix86_expand_carry_flag_compare): Ditto.
  25         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
  26         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
  27         DECIMAL_FLOAT_MODE_P.
  28         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
  29         of SCALAR_FLOAT_MODE_P.
  30         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
  31         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
  32         checks before FLOAT_MODE_P.
  33         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
  34         before FLOAT_MODE_P.
  35         [DIV]: Ditto.
  36         [NEG]: Ditto.
  37         [ABS]: Ditto.
  38         [SQRT]: Ditto.
  39         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
  40
  41 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
  42             Charles Wilson  <libtool@cwilson.fastmail.fm>
  43
  44         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
  45         (libgcc.mvars): Don't depend on them.
  46         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
  47         * exec-tool.in: New.
  48
  49 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
  50
  51         * doc/invoke.text (--help): Document --help=common.
  52
  53 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
  54
  55         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
  56
  57 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
  58
  59         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
  60         * genemit.c (main): Emit #include "integrate.h".
  61         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
  62         (LOADGP_RTP): New mips_loadgp_style.
  63         * config/mips/mips.h: Include config/vxworks-dummy.h.
  64         (TARGET_RTP_PIC): New macro.
  65         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
  66         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
  67         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
  68         for TARGET_RTP_PIC.
  69         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
  70         -mvxworks-pic when using -mrtp and a PIC option.
  71         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
  72         for RTP PIC.
  73         (mips_symbolic_constant_p, mips_symbolic_address_p)
  74         (mips_symbol_insns): Handle SYMBOL_HALF.
  75         (override_options): Warn about -G and -mrtp being used together.
  76         Initialize mips_lo_relocs[SYMBOL_HALF].
  77         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
  78         (mips_emit_loadgp): Handle LOADGP_RTP.
  79         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
  80         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
  81         (tablejump): Handle function-relative case table entries if
  82         TARGET_RTP_PIC.
  83         * config/mips/predicates.md (symbol_ref_operand): New predicate.
  84
  85 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
  86
  87         * config/mips/mips.md (load_call<mode>): Allow any general register.
  88         destination.
  89         (sibcall_value_internal, sibcall_value_multiple_internal)
  90         (call_value_internal, call_value_split, call_value_multiple_internal)
  91         (call_value_multiple_split): Remove constraints from operand 0.
  92
  93 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
  94
  95         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
  96         rather than loadgp_noshared.
  97         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
  98         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
  99         gen_loadgp.
 100         * config/mips/mips.md (loadgp): Rename to...
 101         (loadgp_newabi): ...this.
 102         (loadgp_noshared): Rename to...
 103         (loadgp_absolute): ...this.
 104
 105 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 106
 107         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 108         false for locally-binding symbols.
 109         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 110
 111 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 112
 113         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 114         (SYMBOL_GOT_PAGE_OFST): ...this.
 115         (SYMBOL_GOT_GLOBAL): Rename to...
 116         (SYMBOL_GOT_DISP): ...this.
 117         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 118         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 119         * config/mips/mips.c (mips_global_symbol_p): New function.
 120         (mips_symbol_binds_local_p): Likewise.
 121         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 122         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 123         and mips_symbol_binds_local_p.
 124         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 125         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 126         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 127         SYMBOL_GOTOFF_DISP.
 128         (mips_ok_for_lazy_binding_p): New function.
 129         (mips_load_call_address, mips_expand_call): Use it.
 130         (mips_dangerous_for_la25_p): Likewise.
 131         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 132         (*got_disp<mode>): Use got_disp_operand instead of
 133         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 134         SYMBOL_GOTOFF_GLOBAL.
 135         (*got_page<mode>): Use got_page_ofst_operand instead of
 136         local_got_operand.
 137         * config/mips/predicates.md (const_call_insn_operand): Use
 138         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 139         (global_got_operand): Rename to...
 140         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 141         SYMBOL_GOT_GLOBAL.
 142         (local_got_operand): Rename to...
 143         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 144         of SYMBOL_GOT_LOCAL.
 145
 146 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 147
 148         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 149         TARGET_CALL_CLOBBERED_GP.
 150         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 151         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 152         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 153         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 154         of TARGET_ABICALLS && !TARGET_NEWABI.
 155         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 156         * config/mips/mips.c (mips_load_call_address): Check
 157         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 158         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 159         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 160         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 161         TARGET_ABICALLS && TARGET_NEWABI.
 162         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 163         TARGET_ABICALLS.
 164         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 165         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 166         TARGET_ABICALLS && TARGET_NEWABI.
 167         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 168         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 169         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 170         whether indirect calls must use $25.
 171         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 172         TARGET_ABICALLS.
 173         * config/mips/mips.md (jal_macro): Check flag_pic and
 174         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 175         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 176         instead of TARGET_ABICALLS.
 177         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 178         TARGET_ABICALLS && TARGET_OLDABI.
 179         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 180         (sibcall): In the comment above the define_insn, mention
 181         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 182         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 183         instead of TARGET_ABICALLS.
 184
 185 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 186
 187         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 188         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 189         (MACFLAGS_MATCH_P): New macro.
 190         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 191         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 192         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 193         the other MACFLAG constants.
 194         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 195         (flag_machi): Tighten constraints.  Renumber some of the operands.
 196         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 197         output template.
 198         (flag_machi_parts_acconly): New pattern.
 199         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 200         used.
 201         (flag_macinit1hi): Tighten constraints.
 202         (flag_mul_macv2hi_parts_acconly): New pattern.
 203
 204         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 205         Use a more efficient implementation.
 206         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 207         inline sequences when not optimizing for size.
 208
 209         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 210         movhi_high2low): Delete, merge functionality into...
 211         (packv2hi): ... this pattern.
 212
 213         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 214         * config/bfin/bfin.opt (msim): New option.
 215         (mcpu=): New option.
 216         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 217         (bfin_cpu_t): Typedef of enum bfin_cpu.
 218         (bfin_cpu_type): New declaration.
 219         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 220         -msim and -mcpu= options.
 221         (LIB_SPEC): Likewise.
 222         * config/bfin/bfin.c (bfin_cpu_type): Define.
 223         (bfin_handle_option): Handle -mcpu= option.
 224         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 225         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 226         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 227
 228 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 229
 230         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 231         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 232         (powerpc-wrs-vxworksae): Use ${tm_file}.
 233         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 234         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 235         * config/i386/vx-common.h: New file.
 236
 237 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 238
 239         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 240         of crt0.o%s.
 241
 242 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 243
 244         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 245         ldxtr.
 246
 247 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 248
 249         PR c++/31078
 250         PR c++/31103
 251         * c-common.c (c_build_qualified_type): Set canonical type
 252         appropriately.
 253
 254 2007-04-12  Richard Guenther  <rguenther@suse.de>
 255
 256         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 257         lower bound and element size if lower bound is not zero
 258         or either of the ARRAY_REF operands is set.
 259
 260 2007-04-12  Richard Guenther  <rguenther@suse.de>
 261
 262         PR tree-optimization/24689
 263         PR tree-optimization/31307
 264         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
 265         indices by value.
 266         * gimplify.c (canonicalize_addr_expr): To be consistent with
 267         gimplify_compound_lval only set operands two and three of
 268         ARRAY_REFs if they are not gimple_min_invariant.  This makes
 269         it never at this place.
 270         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 271
 272 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 273
 274         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
 275         null before emitting a .nsubspa directive.
 276
 277 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 278
 279         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
 280         need_to_partition_p if there are no memory statements in the
 281         function.
 282
 283 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 284
 285         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
 286         (gcd_of_steps_may_divide_p): New function.
 287         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
 288
 289 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 290
 291         * reload.c (find_reloads_toplev, find_reloads_address,
 292         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
 293         not a pointer equality test, to decide if we need to call
 294         push_reg_equiv_alt_mem.
 295
 296 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
 297
 298         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
 299         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
 300         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
 301
 302 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 303
 304         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
 305         vector to be positive.
 306
 307 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 308
 309         PR 30735
 310         PR 31090
 311         * doc/invoke.texi: Document --params max-aliased-vops and
 312         avg-aliased-vops.
 313         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
 314         debug_memory_partitions): Move to tree-flow.h
 315         * params.h (AVG_ALIASED_VOPS): Define.
 316         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
 317         users.
 318         (mp_info_t): Likewise.
 319         (get_mem_sym_stats_for): New.
 320         (set_memory_partition): Move from tree-flow-inline.h.
 321         (mark_non_addressable): Only clear the set of symbols for the
 322         partition if it exists.
 323         (dump_memory_partitions): Move from tree-ssa-operands.c
 324         (debug_memory_partitions): Likewise.
 325         (need_to_partition_p): New.
 326         (dump_mem_ref_stats): New.
 327         (debug_mem_ref_stats): New.
 328         (dump_mem_sym_stats): New.
 329         (debug_mem_sym_stats): New.
 330         (update_mem_sym_stats_from_stmt): New.
 331         (compare_mp_info_entries): New.
 332         (mp_info_cmp): Call it.
 333         (sort_mp_info): Change argument to a list of mem_sym_stats_t
 334         objects.
 335         (get_mpt_for): Move from tree-ssa-operands.c.
 336         (find_partition_for): New.
 337         (create_partition_for): Remove.
 338         (estimate_vop_reduction): New.
 339         (update_reference_counts): New.
 340         (build_mp_info): New.
 341         (compute_memory_partitions): Refactor.
 342         Document new heuristic.
 343         Call build_mp_info, update_reference_counts,
 344         find_partition_for and estimate_vop_reduction.
 345         (compute_may_aliases): Populate virtual operands before
 346         calling debugging dumps.
 347         (delete_mem_sym_stats): New.
 348         (delete_mem_ref_stats): New.
 349         (init_mem_ref_stats): New.
 350         (init_alias_info): Call it.
 351         (maybe_create_global_var): Remove alias_info argument.
 352         Get number of call sites and number of pure/const call sites
 353         from gimple_mem_ref_stats().
 354         (dump_alias_info): Call dump_memory_partitions first.
 355         (dump_points_to_info_for): Show how many times a pointer has
 356         been dereferenced.
 357         * opts.c (decode_options): For -O2 set --param
 358         max-aliased-vops to 500.
 359         For -O3 set --param max-aliased-vops to 1000 and --param
 360         avg-aliased-vops to 3.
 361         * fortran/options.c (gfc_init_options): Remove assignment to
 362         MAX_ALIASED_VOPS.
 363         * tree-flow-inline.h (gimple_mem_ref_stats): New.
 364         * tree-dfa.c (dump_variable): Dump memory reference
 365         statistics.
 366         Dump NO_ALIAS* settings.
 367         (referenced_var_lookup): Tidy.
 368         (mem_sym_stats): New.
 369         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
 370         and ORIG are different SSA names for a memory partition.
 371         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
 372         * tree-flow.h (struct mem_sym_stats_d): Define.
 373         (mem_sym_stats_t): Define.
 374         (struct mem_ref_stats_d): Define.
 375         (struct gimple_df): Add field mem_ref_stats.
 376         (enum noalias_state): Define.
 377         (struct var_ann_d): Add bitfield noalias_state.
 378         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
 379         debug_mem_ref_stats, debug_memory_partitions,
 380         debug_mem_sym_stats): Declare.
 381         * tree-ssa-structalias.c (update_alias_info): Update call
 382         sites, pure/const call sites and asm sites in structure
 383         returned by gimple_mem_ref_stats.
 384         Remove local variable IS_POTENTIAL_DEREF.
 385         Increase NUM_DEREFS if the memory expression is a potential
 386         dereference.
 387         Call update_mem_sym_stats_from_stmt.
 388         If the memory references memory, call
 389         update_mem_sym_stats_from_stmt for all the direct memory
 390         symbol references found.
 391         (intra_create_variable_infos): Set noalias_state field for
 392         pointer arguments according to the value of
 393         flag_argument_noalias.
 394         * tree-ssa-structalias.h (struct alias_info): Remove fields
 395         num_calls_found and num_pure_const_calls_found.
 396         (update_mem_sym_stats_from_stmt): Declare.
 397         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
 398         Set default value to 100.
 399         (PARAM_AVG_ALIASED_VOPS): Define.
 400
 401 2007-04-11  Richard Guenther  <rguenther@suse.de>
 402
 403         PR middle-end/31530
 404         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
 405         a * -b + c as c - a * b if we honor sign dependent rounding.
 406
 407 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 408
 409         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
 410         bfin_expand_strmov.
 411         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
 412         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
 413         variables.
 414         (initialize_trampoline): Don't use old-style function definition.
 415         (bfin_secondary_reload): Mark IN_P argument as unused.
 416
 417 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
 418
 419         PR tree-optimization/31343
 420         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
 421         (build_polynomial_chrec): Return a scalar when the evolution is zero.
 422         * testsuite/gcc.dg/vect/pr31343.c: New.
 423
 424 2007-04-10  Eric Christopher  <echristo@apple.com>
 425
 426         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
 427         * config/i386/i386.md (*cmpfp0): Use.
 428         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 429         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 430         (fix_trunc<mode>_i386_fisttp): Ditto.
 431         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 432         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 433         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 434         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 435         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 436         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 437         (unnamed_splitters): Ditto.
 438         * config/i386/i386.c (output_fix_trunc): Assert that
 439         we're not being passed a TFmode operand.
 440
 441 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
 442
 443         PR tree-optimization/31526
 444         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
 445         n_basic_blocks to find newly added blocks.
 446
 447 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
 448
 449         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
 450         alternative.
 451         (fix_trunc<mode>si_sse): Ditto.
 452         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
 453         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
 454         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
 455         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
 456         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
 457         expander using SSEMODEF mode macro.
 458         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
 459         expander using SSEMODEF mode macro.
 460         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
 461         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
 462         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
 463         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
 464         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
 465         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
 466         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
 467         Macroize insn using X87MODEF mode macro.
 468
 469 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 470
 471         * config/i386/sse.md (sse2_pinsrw): Removed.
 472         (sse2_pextrw): Renamed to ...
 473         (*sse2_pextrw): This.
 474
 475 2007-04-09  Jan Hubicka  <jh@suse.cz>
 476
 477         PR target/27869
 478         * config/i386/sse.md
 479         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
 480         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
 481         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
 482         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
 483
 484 2007-04-09  Jan Hubicka  <jh@suse.cz>
 485
 486         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
 487         multiple fields of union.
 488
 489 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
 490
 491         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
 492         (create_preheaders): Check that loops are available.
 493         (fix_loop_structure): Clean up, improve comments.
 494         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
 495         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
 496         state flags.
 497         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
 498         * predict.c (tree_estimate_probability): Do not call
 499         calculate_dominance_info.  Call create_preheaders.
 500         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
 501         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
 502         flags.
 503         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
 504         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
 505         * tree-cfg.c (tree_split_edge): Make an assert more precise.
 506         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
 507         arguments.
 508
 509 2007-04-08  Jan Hubicka  <jh@suse.cz>
 510
 511         * tree.h (maybe_fold_offset_to_component_ref): Declare.
 512         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
 513         * fold-const.c (fold_unary): Use it.
 514
 515 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 516
 517         * varasm.c (assemble_variable): Remove call to
 518         lang_hooks.decls.prepare_assemble_variable.
 519         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
 520         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
 521         * langhooks.h (lang_hooks_for_decls): Remove
 522         prepare_assemble_variable.
 523
 524 2007-04-08  Mike Stump  <mrs@apple.com>
 525
 526         * config/i386/i386.c: Use inc/dec on Core2.
 527
 528 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
 529
 530         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
 531         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 532         lhd_tree_inlining_end_inlining): Remove.
 533         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
 534         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
 535         end_inlining hooks.
 536         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
 537         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 538         lhd_tree_inlining_end_inlining): Remove prototypes.
 539         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
 540         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
 541         LANG_HOOKS_TREE_INLINING_START_INLINING,
 542         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
 543
 544         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
 545         not set it.
 546
 547 2007-04-08  Anatoly Sokolov <aesok@post.ru>
 548
 549         PR target/29932
 550         * config/avr/predicates.md (io_address_operand): Delete predicate.
 551         (low_io_address_operand): Don't use 'mode' argument.
 552         (higth_io_address_operand): Rename ...
 553         (high_io_address_operand): ... to this. Don't use 'mode' argument.
 554         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
 555         for above change.
 556
 557 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
 558
 559         Revert change removing staticp.
 560
 561 2007-04-07  Anatoly Sokolov <aesok@post.ru>
 562
 563         PR target/30289
 564         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
 565         earlyclobber.
 566
 567 2007-04-07  Bruce Korb  <bkorb@gnu.org>
 568
 569         * c.opt: Add -Wformat-contains-nul.
 570         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
 571           -Wformat setting.
 572         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
 573         the NUL byte warning.
 574
 575 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
 576
 577         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
 578
 579 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 580
 581         * tree.c (staticp): No longer use staticp langhook.
 582         * langhooks.c (lhd_staticp): Removed.
 583         * langhooks.h (struct lang_hooks): Remove staticp.
 584         * c-common.c (c_staticp): Remove.
 585         * c-common.h (c_staticp): Ditto.
 586         * langhooks-defs.h (lhd_staticp): Ditto.
 587         (LHD_HOOKS_STATICP): Ditto
 588         * tree.h (gcc_assert_lowered): New macro.
 589
 590 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
 591
 592         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
 593         argument "reliable".
 594         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
 595         Add argument "reliable".  Propagate it through calls.
 596         (infer_loop_bounds_from_undefined):  Derive number of iterations
 597         estimates from references in blocks that do not dominate loop latch.
 598         (gcov_type_to_double_int): New function.
 599         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
 600         and expected_loop_iterations_unbounded.
 601         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
 602         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
 603         * tree-data-ref.c (estimated_loop_iterations): Export.
 604         (get_references_in_stmt): Fix -- do not return addresses of local
 605         objects.
 606         * cfgloop.h (expected_loop_iterations_unbounded,
 607         estimated_loop_iterations): Declare.
 608
 609 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 610
 611         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 612
 613 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 614
 615         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
 616         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
 617         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
 618         Use output_387_reg_move().
 619         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
 620         expander using X87MODEF12 mode macro.
 621         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
 622         choosing register preferences.  Use output_387_reg_move().
 623         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
 624         instead of "x".  Use output_387_reg_move().
 625         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
 626         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
 627         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
 628         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
 629         Use output_387_reg_move().
 630         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
 631         mode macro.
 632         (*truncxf?f_i387 splitter): Ditto.
 633
 634 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 635
 636         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
 637         LANG_HOOKS_SAFE_FROM_P.
 638         * expr.c (safe_from_p): Remove langhook call.
 639         * langhooks.h (lang_hooks): Remove safe_from_p.
 640         (lhd_safe_from_p): Remove prototype.
 641         * langhooks.c (lhd_safe_from_p): Remove.
 642
 643 2007-04-06  Jan Hubicka  <jh@suse.cz>
 644
 645         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
 646         functions.
 647
 648 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 649
 650         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
 651         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
 652         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
 653         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
 654         alternative.
 655         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
 656         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
 657
 658 2007-04-05  Richard Henderson  <rth@redhat.com>
 659
 660         * config/alpha/alpha.c (print_operand) [+]: Remove.
 661         (alpha_end_function): Print nop if call at end of function.
 662         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
 663         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
 664         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
 665         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
 666         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
 667         the call pattern. Update peepholes to match.
 668
 669 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
 670
 671         * doc/extend.texi (Other Builtins): Add decimal float variants
 672         of signbit.
 673         * builtins.def: Ditto.
 674         * builtins.c (expand_builtin): Ditto.
 675
 676 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
 677             H.J. Lu  <hongjiu.lu@intel.com>
 678
 679         PR target/31478
 680         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
 681         of V8HImode when calling ix86_binary_operator_ok.
 682         (sse2_pmaddwd): Call ix86_binary_operator_ok.
 683         (sdot_prodv8hi): Operands 1 and 2 must be register.
 684
 685 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 686
 687         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 688         initialize align to silence bogus warning.
 689
 690 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 691
 692         PR middle-end/22156
 693         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 694         all_no_warning.
 695         (struct sra_walk_fns): Remove use_all parameter from use.
 696         (sra_hash_tree): Handle BIT_FIELD_REFs.
 697         (sra_elt_hash): Don't hash bitfld blocks.
 698         (sra_elt_eq): Skip them in parent compares as well.  Handle
 699         BIT_FIELD_REFs.
 700         (sra_walk_expr): Don't maintain or pass down use_all_p.
 701         (scan_use): Remove use_all parameter.
 702         (scalarize_use): Likewise.  Re-expand assignment to
 703         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 704         output, and re-scalarize after output.  Don't mark anything
 705         for no warning.
 706         (scalarize_ldst): Adjust.
 707         (scalarize_walk_gimple_modify_statement): Likewise.
 708         (build_element_name_1): Handle BIT_FIELD_REFs.
 709         (instantiate_element): Don't warn for any element whose parent
 710         is used as a whole.
 711         (instantiate_missing_elements_1): Return the sra_elt.
 712         (canon_type_for_field): New.
 713         (try_instantiate_multiple_fields): New.
 714         (instantiate_missing_elemnts): Use them.
 715         (mark_no_warning): Removed.
 716         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 717         (REPLDUP, sra_build_elt_assignment): New.
 718         (generate_copy_inout): Use them.
 719         (generate_element_copy): Likewise.  Handle bitfld differences.
 720         (generate_element_zero): Don't recurse for blocks.  Use
 721         sra_build_elt_assignment.
 722         (generate_one_element_int): Take elt instead of var.  Use
 723         sra_build_elt_assignment.
 724         (generate_element_init_1): Adjust.
 725         (scalarize_use, scalarize_copy): Use REPLDUP.
 726         (scalarize_ldst): Move assert before dereference.
 727         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 728
 729 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 730
 731         * regmove.c: Fix unused variable warnings due to previous commit.
 732
 733 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 734
 735         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
 736         (regmove_bb_head): Remove.
 737         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
 738         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
 739         problems with fixup_match_1.
 740         Don't initialize/free regmove_bb_head.
 741
 742         (reg_is_remote_constant_p): If an insn is in the same basic block
 743         but not before INSN, consider it remote, too.
 744
 745 2007-04-05  Anatoly Sokolov <aesok@post.ru>
 746
 747         PR target/25448
 748         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
 749         DECL_ASSEMBLER_NAME, not the DECL_NAME.
 750
 751 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
 752
 753         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
 754         (CONDITIONAL_REGISTER_USAGE): Likewise.
 755
 756 2007-04-04  Richard Henderson  <rth@redhat.com>
 757
 758         * config/alpha/lib1funcs.asm: Remove unused file.
 759
 760 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 761
 762         PR other/31356
 763         * opts.c (print_specific_help): Fix --help=<language>
 764         header line.
 765         (common_handle_option): Support --help=common.
 766
 767 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 768
 769         PR other/31353
 770         * gcc.c (main): Do not run the linker if
 771         print_subprocess_help indicates that it shouldn't be
 772         run.
 773
 774 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 775
 776         PR doc/31355
 777         * doc/invoke.texi (--help=): Document <languages> value, fix
 778         formatting in tables of values.
 779
 780 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
 781
 782         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
 783         dllimport attribute of virtual methods.
 784
 785 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
 786
 787         * config/score/crti.asm: Change _bss_start to __bss_start.
 788         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
 789         (OUTGOING_REG_PARM_STACK_SPACE) update.
 790         * config/score/score.opt: add options to make backend support
 791         score5, score5u, score7 and score7d.
 792         * config/score/score.md: Likewise.
 793         * config/score/misc.md: Likewise.
 794         * config/score/mac.md: Likewise.
 795         * doc/invoke.texi: Likewise.
 796         * doc/md.texi: update constraints define.
 797
 798 2007-04-03  Richard Henderson  <rth@redhat.com>
 799
 800         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
 801         an appropriate type, use the mode instead.
 802
 803 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
 804
 805         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
 806         Set the default --with-arch setting to mips2.
 807         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
 808         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 809         (MULTILIB_OSDIRNAMES): Delete.
 810         (MULTILIB_DIRNAMES): Define.
 811         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
 812         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
 813         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
 814         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
 815         VXWORKS_OS_CPP_BUILTINS.
 816         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
 817         (MIPS_DEBUGGING_INFO): Undefine.
 818         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
 819
 820 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
 821
 822         PR middle-end/30704
 823         * fold-const.c (native_encode_real): Encode real.c provided longs
 824         as a series of 32-bit native integers.
 825         (native_interpret_real): Interpret buffer as a series of 32-bit
 826         native integers.
 827
 828 2007-04-03  Richard Guenther  <rguenther@suse.de>
 829
 830         * genpreds.c (write_insn_constraint_len): Write function
 831         optimized for CONSTRAINT_LEN implementation.
 832         (write_tm_preds_h): Output insn_constraint_len inline and
 833         use it for CONSTRAINT_LEN.
 834         (write_insn_preds_c): Don't output insn_constraint_len.
 835         * doc/md.texi (define_register_constraint): Document multi-letter
 836         constraints shall have the same length if they start with the same
 837         letter.
 838
 839 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 840
 841         PR target/31175
 842         * config/i386/i386.md (isinf<mode>2): Expand only when
 843         TARGET_C99_FUNCTIONS is set.
 844
 845 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 846
 847         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
 848         (x86_64-*-linux*): Ditto.
 849         * config/i386/i386.opt (mpc): New option.
 850         * config/i386/i386.c (overrride_options): Handle
 851         ix87_precision_string.
 852         * config/i386/crtprec.c: New file.
 853         * config/i386/t-crtpc: Ditto.
 854         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
 855         and -mpc80 options.
 856         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
 857         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
 858         crtprec32.o, crtprec64.o and crtprec80.o.
 859
 860         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
 861         and -mpc80 options.
 862         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
 863
 864 2007-04-02  Eric Christopher  <echristo@apple.com>
 865
 866         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
 867         limitations on darwin.
 868
 869 2007-04-02  Anatoly Sokolov <aesok@post.ru>
 870
 871         PR target/31137
 872         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
 873
 874 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 875
 876         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
 877
 878 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 879
 880         * libgcc2.h (exception_descriptor): Don't forward-declare.
 881         (__get_eh_table_language, __get_eh_table_version): Delete
 882         prototypes of long-dead functions.
 883
 884 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
 885
 886         * ebitmap.h: New file
 887         * ebitmap.c: New file
 888         * Makefile.in (ebitmap.o): New target.
 889
 890 2007-04-01  Jan Hubicka  <jh@suse.cz>
 891
 892         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
 893         before very first instruction.
 894
 895 2007-04-01  Jan Hubicka  <jh@suse.cz>
 896
 897         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
 898         waring on 64bit hosts.
 899         * bitmap.h: Fix typo in bitmap_head_def.
 900
 901 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
 902
 903         PR rtl-optimization/31391
 904         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
 905         into a DELETED_LABEL note, and the label is in an empty basic
 906         block, update BB_END as well as BB_HEAD.
 907
 908 2007-04-01  Richard Henderson  <rth@redhat.com>
 909
 910         PR tree-optimization/31169
 911         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
 912         to varying if the range is outside [0,  prec-1].
 913
 914 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
 915
 916         PR target/31388
 917         * config/mips/mips.md (load_const_gp): New insn.
 918         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
 919         the MIPS16 GP pseudo register if no_new_pseudos.
 920         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
 921
 922 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 923
 924         PR target/31364
 925         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
 926         secureplt.
 927         (call_value): Likewise.
 928
 929 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
 930             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 931
 932         PR 14737
 933         * doc/invoke.texi: (optimization options): Reword description
 934         of -ffast-math. Document its primary purpose.
 935
 936 2007-03-31  Richard Guenther  <rguenther@suse.de>
 937
 938         * omp-low.c (splay-tree.h): Include.
 939         (lookup_decl): Replace splay-tree usage by pointer-map.
 940         (maybe_lookup_decl): Likewise.
 941         (new_omp_context): Likewise.
 942         (delete_omp_context): Likewise.
 943         * gimplify.c (splay-tree.h): Include.
 944         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
 945         pointer-map.
 946         (remap_ssa_name): Likewise.
 947         (remap_decl): Likewise.
 948         (remap_type_1): Likewise.
 949         (remap_type): Likewise.
 950         (copy_body_r): Likewise.
 951         (expand_call_inline): Likewise.
 952         (clone_body): Likewise.
 953         (copy_tree_r): Likewise.
 954         (remap_save_expr): Likewise.
 955         (unsave_r): Likewise.
 956         (unsave_expr_now): Likewise.
 957         (tree_function_versioning): Likewise.
 958         (build_duplicate_type): Likewise.
 959         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
 960         (struct copy_body_data): Replace splay-tree by pointer-map.
 961         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
 962         not $(SPLAY_TREE_H).
 963         (gimplify.o): Depend on $(SPLAY_TREE_H).
 964         (omp-low.p): Likewise.
 965
 966 2007-03-31  Anatoly Sokolov <aesok@post.ru>
 967
 968         * config/avr/predicates.md (even_register_operand,
 969         odd_register_operand): New predicates.
 970         * config/avr/avr.md (movw peephole2): New.
 971         (movw_r peephole2): New.
 972
 973 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
 974
 975         * tree.h (get_signed_or_unsigned_type): New.
 976         * fold-const.c (operand_equal_for_comparison_p): Use
 977         get_signed_or_unsigned_type instead of
 978         lang_hooks.types.signed_or_unsigned_type.
 979         * expr.c (store_expr): Ditto.
 980         * langhooks.c (get_signed_or_unsigned_type): New.
 981         (lhd_signed_or_unsigned_type): New.
 982         * langhooks.h (lhd_signed_or_unsigned_type): New.
 983         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
 984
 985 2007-03-30  Richard Henderson  <rth@redhat.com>
 986
 987         * tree-ssa-loop-ivopts.c: Include target.h.
 988         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
 989         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
 990         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
 991         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
 992
 993 2007-03-30  Richard Henderson  <rth@redhat.com>
 994             Kai Tietz  <kai.tietz@onevision.com>
 995
 996         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
 997         default for 64-bit.
 998         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
 999         (TARGET_64BIT_MS_ABI): New.
1000         (DBX_REGISTER_NUMBER): Handle 64-bit.
1001         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1002         (LONG_TYPE_SIZE): Force to 32.
1003         (REG_PARM_STACK_SPACE): New.
1004         (OUTGOING_REG_PARM_STACK_SPACE): New.
1005         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1006         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1007         (STACK_BOUNDARY): Use 128 for 64-bit.
1008         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1009         Add 64-bit implementation.
1010         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1011         argument unused.
1012         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1013         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1014         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1015         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1016         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1017         TARGET_64BIT_MS_ABI.
1018         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1019         (ix86_pass_by_reference): Likewise.
1020         (ix86_function_value_regno_p): Likewise.
1021         (ix86_build_builtin_va_list): Likewise.
1022         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1023         (function_arg_advance_ms_64): New.
1024         (function_arg_advance): Call it.
1025         (function_arg_ms_64): New.
1026         (function_arg): Call it.
1027         (function_value_ms_64): New.
1028         (ix86_function_value_1): Call it.
1029         (return_in_memory_ms_64): New.
1030         (ix86_return_in_memory): Call it.
1031         (setup_incoming_varargs_ms_64): New.
1032         (ix86_setup_incoming_varargs): Call it.
1033         (ix86_expand_prologue): Handle 64-bit stack probing.
1034         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1035         (output_pic_addr_const): Likewise.
1036         (x86_this_parameter): Likewise.
1037         (x86_output_mi_thunk): Likewise.
1038         (x86_function_profiler): Likewise.
1039         (TARGET_STRICT_ARGUMENT_NAMING): New.
1040         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1041         (TARGET_64BIT_MS_ABI): New.
1042         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1043         * config/i386/i386.md (allocate_stack_worker): Remove.
1044         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1045         describe the clobber of eax without a match_scratch.
1046         (allocate_stack_worker_postreload): Remove.
1047         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1048         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1049         (allocate_stack_worker_rex64_postreload): Remove.
1050         (allocate_stack): Handle 64-bit.
1051         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1052         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1053         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1054         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1055         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1056         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1057         * config.build (x86_64-*-mingw*): New host.
1058         * config.host (x86_64-*-mingw*): New host.
1059         * config.gcc (x86_64-*-mingw*): New target.
1060         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1061
1062 2007-03-30  Richard Henderson  <rth@redhat.com>
1063             Kai Tietz  <kai.tietz@onevision.com>
1064
1065         * c-pragma.c (struct def_pragma_macro_value): New.
1066         (struct def_pragma_macro): New.
1067         (pushed_macro_table): New.
1068         (dpm_hash, dpm_eq): New.
1069         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1070         (init_pragma): Install them.
1071         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1072
1073 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1074
1075         * config/avr/avr.c (avr_override_options): Clear
1076         'flag_delete_null_pointer_checks'.
1077
1078 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1079
1080         PR c++/26099
1081         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1082         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1083         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1084         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1085         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1086         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1087         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1088         C++ extensions.
1089         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1090
1091 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1092
1093         * regmove.c: Move all of pass_stack_adjustments from here...
1094         * combine-stack-adj.c: ...to this new file.
1095         * Makefile.in: Add rules for combine-stack-adj.o.
1096
1097 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1098
1099         PR tree-optimization/31383
1100         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1101         to have the same length.
1102
1103 2007-03-30  Jan Hubicka  <jh@suse.cz>
1104
1105         PR middle-end/30700
1106         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1107         availablility; add more sanity checking; ask varpool only about
1108         VAR_DECL.
1109
1110 2007-03-29  Richard Henderson  <rth@redhat.com>
1111
1112         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1113         to decide, but __SIZEOF_LONG_LONG__.
1114
1115 2007-03-29  Richard Henderson  <rth@redhat.com>
1116
1117         * emutls.c (struct __emutls_array): New.
1118         (emutls_destroy): Use it instead of casting element 0 from void*.
1119         (__emutls_get_address): Likewise.
1120
1121 2007-03-29  Richard Henderson  <rth@redhat.com>
1122
1123         * varasm.c (initializer_constant_valid_p): Don't deny
1124         DECL_DLLIMPORT_P on functions.
1125
1126         * config/i386/cygming.h: Remove function declarations.
1127         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1128         (ASM_OUTPUT_LABELREF): Remove.
1129         (COMMON_ASM_OP): Remove.
1130         (ASM_OUTPUT_COMMON): Remove.
1131         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1132         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1133         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1134         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1135         Rename from TARGET_ENCODE_SECTION_INFO.
1136         * config/i386/netware.h: Likewise.
1137         * config/i386/i386-protos.h: Update.
1138         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1139         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1140         (legitimate_constant_p): Reject dllimports.
1141         (dllimport_map, get_dllimport_decl): New.
1142         (legitimize_dllimport_symbol): New.
1143         (legitimize_address, ix86_expand_move): Use it.
1144         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1145         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1146         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1147         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1148         * config/i386/predicates.md (constant_call_address_operand): Only
1149         accept symbols; reject dllimport_p symbols.
1150         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1151         i386_pe_maybe_record_exported_symbol.
1152         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1153         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1154         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1155         trust the setting of DECL_DLLIMPORT_P.
1156         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1157         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1158         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1159         tidy the argument scanning loop.
1160         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1161         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1162         (i386_pe_strip_name_encoding): Remove.
1163         (i386_pe_binds_local_p): New.
1164         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1165         (i386_pe_output_labelref): Remove.
1166         (i386_pe_asm_output_aligned_decl_common): New.
1167         (i386_pe_maybe_record_exported_symbol): Rename from
1168         i386_pe_record_exported_symbol; check for dllexported symbols.
1169
1170 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1171
1172         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1173         add comment explaining why vsnprintf cannot be used.
1174
1175 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1176
1177         PR tree-optimization/30666
1178         * tree.c (build_complex_type): When creating type names for DWARF2
1179         debug info, create TYPE_DECLs for TYPE_NAME instead of
1180         IDENTIFIER_NODEs.
1181         (build_common_tree_nodes_2): Use build_complex_type when building
1182         predefined complex types, to preserve canonical types.
1183
1184 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1185
1186         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1187         (noce_get_alt_condition): Look at it to determine whether to
1188         reverse the condition or not.
1189         (noce_get_condition): Substitute the truth for lies.
1190         (noce_find_if_block): Set the then_else_reversed field.
1191
1192 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1193
1194         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1195         destination of this insn.
1196         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1197         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1198         'address + 4' rather than a stack based temporary which can be
1199         mis-optimized away.
1200
1201 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1202
1203         * config/s390/s390.c (s390_secondary_input_reload_class,
1204         s390_secondary_output_reload_class): Functions removed.
1205         (s390_secondary_reload): New function.
1206         (TARGET_SECONDARY_RELOAD): Target macro defined.
1207         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1208         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1209         * config/s390/s390.md ("reload_outti", "reload_outdi",
1210         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1211         "reload_out<mode>"): Expanders removed.
1212         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1213         "reload<mode>_nonoffmem_out"): Expanders added.
1214
1215 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1216
1217         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1218         SRC->DEST replacement failed anyway.
1219
1220 2007-03-28  Mike Stump  <mrs@apple.com>
1221
1222         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1223         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1224         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1225
1226 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1227
1228         * config.gcc: Accept barcelona as a variant of amdfam10.
1229         * config/i386/i386.c (override_options): Likewise.
1230         * doc/invoke.texi: Likewise.
1231
1232 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1233
1234         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1235         offsets for BIT_FIELD_REF and COMPONENT_REF.
1236
1237 2007-03-28  Richard Guenther  <rguenther@suse.de>
1238
1239         * tree.c (is_global_var): Move ...
1240         * tree-flow-inline.h (is_global_var): ... here.
1241         * tree.h (is_global_var): Remove declaration.
1242
1243 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1244
1245         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1246         option.
1247         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1248         * config/i386/i386.c (ix86_tune_features): Initialize new
1249         tuning option.
1250         * config/i386/predicates.md (promotable_binary_operator): Use
1251         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1252
1253 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1254
1255         PR target/31380
1256         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1257
1258 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1259
1260         * config/fr30/fr30.md (movsi_internal): Change destination
1261         constraint from m to V and add m to the end.
1262
1263 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1264
1265         * config/sh/sh.md (movsi_i): Fix type attribute.
1266
1267 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1268
1269         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1270         (movsf_ie): Likewise.
1271
1272 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1273
1274         * config.gcc: Add sh4-300 to multilib.
1275         * config/sh/t-mlib-sh4-300: New file.
1276
1277 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1278
1279         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1280         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1281         fix_trunc<mode>di2.
1282         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1283         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1284         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1285         "fixuns_trunctddi2"): Whitespace fix.
1286
1287 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1288
1289         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1290         the definition of struct sh_args.
1291         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1292         CALL_COOKIE_INT_REG_GET): Likewise.
1293
1294 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1295
1296         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1297         transformations are applied successfully.
1298
1299 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1300
1301         * tree.c (tree_contains_struct): Permit 512 tree codes.
1302         * tree.h (tree_contains_struct): Ditto.
1303         (MAX_TREE_CODES): Ditto.
1304         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1305         SPARE member to store remaining padding bits.
1306
1307 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1308
1309         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1310         architecture.
1311
1312 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1313
1314         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1315         * configure: Regenerate.
1316
1317         * configure: Regenerate using the correct version of autoconf.
1318
1319 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1320
1321         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1322         pointer regs.
1323         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1324         regs to "__SP_L__" and "__SP_H__".
1325
1326 2007-03-27  Richard Guenther  <rguenther@suse.de>
1327
1328         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1329         computations with it with a HOST_WIDE_INT variable.
1330
1331 2007-03-26  Mike Stump  <mrs@apple.com>
1332
1333         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1334         objective-c-header, objective-c++-header and objc++-cpp-output
1335         support.
1336         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1337
1338 2007-03-26  Richard Henderson  <rth@redhat.com>
1339
1340         PR target/31361
1341         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1342         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1343         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1344         IX86_BUILTIN_PSRLQ128): New.
1345         (ix86_init_mmx_sse_builtins): Add them.
1346         (ix86_expand_builtin): Expand them.
1347         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1348         operand 2 be TImode.
1349         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1350         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1351         _mm_srli_epi64): Mark __B const.
1352         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1353         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1354         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1355         new two-vector shift builtins.
1356
1357 2007-03-26  Ian Lance Taylor  <iant@google.com>
1358
1359         PR tree-optimization/31345
1360         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1361         [+INF, +INF(OVF)] into VARYING.
1362
1363 2007-03-26  Zack Weinberg  <zackw@panix.com>
1364
1365         * gengtype-parse.c: New file.
1366         * gengtype-yacc.y: Delete.
1367         * gengtype-lex.l: Don't include gengtype-yacc.h.
1368         Define YY_DECL and yyterminate appropriately for recursive
1369         descent parser.  yylval is now a string out-parameter to yylex.
1370         (HWS, EOID): New shorthand.
1371         (IWORD): Add a couple more types.
1372         (yylex): Add a setup stanza.  Remove the complex rules for
1373         detecting GTY'ed types and typedefs; replace with simple
1374         keyword detectors.  Adjust everything for the changed
1375         definition of yylval.  Ignore all pp-directives, not just #define.
1376         (yyerror): Delete.
1377         (parse_file): Rename yybegin; do not call yyparse.
1378         (yyend): New.
1379         * gengtype.c (xasprintf): Export again.
1380         (this_file): New.  Use everywhere __FILE__ was being used.
1381         (get_lang_bitmap): Special case types defined in gengtype.c.
1382         (do_typedef, new_structure): Suppress definition of certain types.
1383         (new_structure): Improve diagnostics of duplicate definitions.
1384         Make sure location_s is associated with input.h.
1385         (nreverse_pairs, define_location_structures): New functions.
1386         (main): Improve tagging of kludge types.  Remove old kludges
1387         for input.h types; use define_location_structures.
1388         * gengtype.h: Update prototypes.  Define token codes here.
1389         * Makefile.in: Remove all references to gengtype-yacc.
1390         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1391         and gengtype.
1392         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1393         add GTY((skip)) to the field that's only conditionally there.
1394         * doc/install.texi: Document that Bison is no longer required
1395         unless building treelang.
1396
1397         * gengtype.c: Don't include gtyp-gen.h.
1398         (srcdir): Declare here.
1399         (base_files, lang_dir_names): Allocate dynamically.
1400         (gt_files, num_gt_files, num_lang_dirs): New globals.
1401         (measure_input_list, read_input_line, read_input_list)
1402         (set_lang_bitmap): New functions.
1403         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1404         simplify, relying on read_input_list to set up the bitmaps.
1405         (main): Arguments are no longer unused.  Check for correct number
1406         of command line arguments, set srcdir and srcdir_len, then call
1407         read_input_list, before doing anything else.  No need to worry
1408         about duplicates in main loop.
1409         * configure.ac: Simplify the calculation of all_gtfiles.
1410         Put language tags in there.  Don't set or substitute
1411         all_gtfiles_files_langs or all_gtfiles_files_frags.
1412         * Makefile.in: Revamp the way gengtype is invoked, now that it
1413         takes a file on its command line with a much simpler format.
1414         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1415         (GTFILES): Remove duplicates and C source files.
1416         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1417         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1418         * configure: Regenerate.
1419
1420         * gengtype.h: Remove all type definitions to gengtype.c; leave
1421         only definitions of options_p, type_p, and pair_p as opaque
1422         pointers.  Update prototypes.
1423         * gengtype.c: Many type definitions moved here from gengtype.h.
1424         Consolidate type definitions at the top of the file.
1425         (xvasprintf): Delete.
1426         (xasprintf): Make static.
1427         (create_nested_pointer_option): Add 'next' parameter.
1428         (create_field_all, create_field_at): New functions.
1429         (create_field): Now a thin wrapper around create_field_all.
1430         (create_optional_field): Rename create_optional_field_ and add
1431         line argument.  Original name is now a macro which supplies
1432         __LINE__.
1433         (oprintf): Use vsnprintf directly.
1434         (close_output_files): Use fatal rather than perror/exit.
1435         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1436         (main): Set progname.  Don't use exit.
1437         * gengtype-yacc.y (struct_fields): Use create_field_at.
1438         (option, optionseqopt): Delete.
1439         (optionseq): Consolidate productions from option here so we
1440         can use the first argument to create_option.
1441
1442         * gengtype-lex.l: Distinguish unions from structures in the
1443         token type.  Don't call find_structure; return the tag as a string.
1444         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1445         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1446         Reorganize typedef_struct production accordingly.
1447         Use create_nested_ptr_option.
1448         * gengtype.c (create_nested_ptr_option): New function.
1449         * gengtype.h: Declare it.
1450
1451         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1452         (string_type): Don't declare.
1453         (do_scalar_typedef): Declare.
1454         (create_scalar_type): Update prototype.
1455         * gengtype.c (string_type): Make static.
1456         (scalar_nonchar, scalar_char): New.
1457         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1458         (resolve_typedef): Use scalar_nonchar for error recovery.
1459         (create_scalar_type): Remove name_len field.  Return scalar_char
1460         or scalar_nonchar as appropriate.
1461         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1462         to use string_type.
1463         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1464         whenever possible.
1465         (main): Initialize scalar_char and scalar_nonchar before calling
1466         gen_rtx_next.
1467         * gengtype-lex.l: Adjust for removal of second argument to
1468         create_scalar_type.  Use yylval.s instead of yylval.t when
1469         returning SCALAR.
1470         * gengtype-yacc.y: Type of SCALAR is string.  Call
1471         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1472         second argument to create_scalar_type.
1473
1474         * vec.h: Remove all #if IN_GENGTYPE blocks.
1475         Add comment saying that changes may require adjustments to gengtype.
1476         * gengtype.c: Don't include coretypes.h or tm.h.
1477         Add comment to inclusion of errors.h.
1478         (note_def_vec, note_def_vec_alloc): New functions.
1479         * gengtype.h: Declare new functions.
1480         * gengtype-lex.l: Don't include coretypes.h.
1481         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1482         Delete.
1483         (update_lineno): Remove unnecessary prototype.
1484         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1485         (VEC rule): Just return VEC_TOKEN.
1486         * gengtype-yacc.y (VEC_TOKEN): New token type.
1487         (type): Add a production for VEC(a,b).
1488         * Makefile.in: Update dependencies.
1489
1490         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1491         typedefs that use the old PARAMS macro.
1492
1493         * gengtype-lex.l: Remove all rules and states relating to yacc
1494         input files.
1495         * gengtype-yacc.y: Similarly.
1496         * gengtype.c (note_yacc_type): Delete function.
1497         * gengtype.h: Update prototypes.
1498
1499 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1500
1501         * tree-pretty-print.c (dump_generic_node): Report precision of
1502         unnamed integer types.
1503
1504 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1505
1506         * ifcvt.c (noce_try_store_flag_constants): Don't check
1507         no_new_pseudos here.
1508         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1509         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1510         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1511         noce_try_sign_mask): Likewise.
1512         (if_convert): Check no_new_pseudos here.
1513
1514         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1515         Remove prototypes.
1516         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1517         (noce_get_condition): Handle new then_else_reversed argument.
1518         (noce_init_if_info): Remove, fold into noce_find_if_block.
1519         (noce_process_if_block): Take a struct noce_if_info as the
1520         argument.  Don't set up one based on ce_if_info.  Update pointer
1521         references accordingly.
1522         (cond_move_process_if_block): Likewise.
1523         (process_if_block): Removed.
1524         (find_if_block): Removed.  Move functionality two new functions,
1525         noce_find_if_block and cond_exec_find_if_block.
1526         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1527         blocks and the symmetric IF-ELSE-JOIN case.
1528         (cond_exec_find_if_block): Also new function mostly based on old
1529         find_if_block and process_if_block.
1530         (find_if_header): Replace find_if_block call with separately
1531         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1532         (find_cond_trap): Update noce_get_condition call.
1533         (dead_or_predicable): Likewise.
1534
1535 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1536
1537         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1538         Remove.
1539         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1540         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1541         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1542         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1543         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1544         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1545         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1546         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1547         __builtin_ia32_psrad128 builtins.
1548
1549 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1550
1551         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1552         * config/i386/constraints.md
1553         (define_constraint "I"): Use IN_RANGE macro.
1554         (define_constraint "J"): Ditto.
1555         (define_constraint "K"): Ditto.
1556         (define_constraint "M"): Ditto.
1557         (define_constraint "N"): Ditto.
1558         (define_constraint "O"): Ditto.
1559         * config/i386/predicates.md
1560         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1561         (define_predicate "const_0_to_3_operand"): Ditto.
1562         (define_predicate "const_0_to_7_operand"): Ditto.
1563         (define_predicate "const_0_to_15_operand"): Ditto.
1564         (define_predicate "const_0_to_63_operand"): Ditto.
1565         (define_predicate "const_0_to_255_operand"): Ditto.
1566         (define_predicate "const_1_to_31_operand"): Ditto.
1567         (define_predicate "const_2_to_3_operand"): Ditto.
1568         (define_predicate "const_4_to_7_operand"): Ditto.
1569
1570 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1571
1572         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1573         in SImode for save_world.
1574         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1575         LR hard reg.
1576
1577 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1578
1579         PR tree-optimization/30784
1580         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1581         BIT_FIELD_REF.
1582
1583 2007-03-25  Revital Eres  <eres@il.ibm.com>
1584
1585         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1586           Fold movement_possibility function into it.
1587
1588 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1589
1590         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1591         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1592         (call_indirect_nonlocal_darwin64): Same.
1593         (call_nonlocal_darwin64): Same.
1594         (call_value_indirect_nonlocal_darwin64): Same.
1595         (call_value_nonlocal_darwin64): Same.
1596         (sibcall_nonlocal_darwin64): Same.
1597         (sibcall_value_nonlocal_darwin64): Same.
1598         (sibcall_symbolic_64): Same.
1599         (sibcall_value_symbolic_64): Same.
1600         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1601         LR pseudo.
1602         (rs6000_emit_load_toc_table): Same.
1603         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1604         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1605         (mull_call): Same.
1606         (divss_call): Same.
1607         (divus_call): Same.
1608         (quoss_call): Same.
1609         (quous_call): Same.
1610         (load_toc_v4_pic_si): Same
1611         (load_toc_v4_PIC_1): Same.
1612         (load_toc_v4_PIC_1b): Same.
1613         (call_indirect_aix{32,64}): Same.
1614         (call_value_indirect_aix{32,64}): Same.
1615         (call): Same.
1616         (call_value): Same.
1617         (call_local{32,64}): Same.
1618         (call_value_local{32,64}): Same.
1619         (call_indirect_nonlocal_aix{32,64}): Same.
1620         (call_nonlocal_aix{32,64}): Same.
1621         (call_value_indirect_nonlocal_aix{32,64}): Same.
1622         (call_value_nonlocal_aix{32,64}): Same.
1623         (call_indirect_nonlocal_sysv<mode>): Same.
1624         (call_nonlocal_sysv<mode>): Same.
1625         (call_value_indirect_nonlocal_sysv<mode>): Same.
1626         (call_value_nonlocal_sysv<mode>): Same.
1627         (sibcall): Same.
1628         (sibcall_local{32,64}): Same.
1629         (sibcall_value_local{32,64}): Same.
1630         (sibcall_nonlocal_aix{32,64}): Same.
1631         (sibcall_value_nonlocal_aix{32,64}): Same.
1632         (sibcall_nonlocal_sysv<mode>): Same.
1633         (sibcall_value): Same.
1634         (sibcall_value_nonlocal_sysv<mode>): Same.
1635
1636 2007-03-24  Paul Brook  <paul@codesourcery.com>
1637
1638         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1639         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1640
1641 2007-03-24  Richard Henderson  <rth@redhat.com>
1642
1643         * config/ia64/constraints.md: New file.
1644         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1645         satisfies_constraint_?.
1646         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1647         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1648         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1649         ia64_output_mi_thunk): Likewise.
1650         (ia64_const_ok_for_letter_p): Remove.
1651         (ia64_const_double_ok_for_letter_p): Remove.
1652         (ia64_extra_constraint): Remove.
1653         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1654         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1655         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1656         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1657         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1658         EXTRA_MEMORY_CONSTRAINT): Remove.
1659         * config/ia64/ia64.md: Include constriants.md.  Replace
1660         CONST_OK_FOR_? with satisfies_constraint_?.
1661
1662 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1663             H.J. Lu  <hongjiu.lu@intel.com>
1664
1665         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1666         DPD or BID name.
1667         (name macros): Use DPD_BID_NAME to convert names properly.
1668
1669         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1670         decimal floating point format.
1671         (init_floating_libfuncs): Change decimal functions so that they
1672         have a "bid_" prefix if the decimal system uses the BID format,
1673         and "dpd_" prefix if the decimal system uses the DPD format.
1674         (init_interclass_conv_libfuncs): Ditto.
1675         (init_intraclass_conv_libfuncs): Ditto.
1676
1677         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1678         using the BID format.
1679
1680         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1681         whether we are using the BID decimal format.
1682         * configure: Regenerate.
1683
1684         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1685         the compiler has decimal floating point enabled.  Define
1686         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1687         instead of DPD.
1688
1689         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1690         using the BID format.
1691
1692         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1693         whether we are using the BID decimal format.
1694         * configure: Regenerate.
1695
1696         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1697         the compiler has decimal floating point enabled.  Define
1698         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1699         instead of DPD.
1700
1701         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1702         options, and that it is enabled for i386/x86_64 systems.
1703
1704         * Makefile.in (enable_decimal_float): New.
1705         (DECNUMFMT): New.
1706         (DECNUMINC): Add  -I$(DECNUMFMT).
1707         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1708         to $(DECNUMFMT) from $(DECNUM).
1709
1710         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1711         Substitute enable_decimal_float.
1712         * configure: Regenerated.
1713
1714         PR other/30529
1715         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1716         unsigned long.
1717
1718         * configure.ac: Enable decimal float for x86_64-*-linux*.
1719         * configure: Regenerated.
1720
1721         PR other/30530
1722         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1723         decimal128ClearSign to flip and clear the sign bit in decimal128.
1724         (decimal_real_maxval): Set decimal128SetSign to set the sign
1725         bit in decimal128.
1726
1727 2007-03-23  Ian Lance Taylor  <iant@google.com>
1728
1729         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1730
1731 2007-03-23  Ian Lance Taylor  <iant@google.com>
1732
1733         * tree-dump.c (dump_files): Correct comment.
1734
1735 2007-03-23  Ian Lance Taylor  <iant@google.com>
1736
1737         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1738
1739 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1740
1741         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1742         in cfglayout mode.  Don't go into and out of cfglayout mode.
1743         Link the blocks in the order of the constructed traces.
1744         (rest_of_handle_tracer): Adjust call to tracer.
1745         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1746         Don't go into cfglayout mode.
1747         (rtl_loop_done): Don't go out of cfglayout mode.
1748         * cfglayout.c (relink_block_chain): New function, split out from...
1749         (fixup_reorder_chain): ...here.  Remove redundant checking.
1750         (cfg_layout_finalize): Don't clear the header, footer, and aux
1751         fields here, move the code to do so to relink_block_chain.  Likewise
1752         for free_original_copy_tables.
1753         * rtl.h (tracer): Update prototype.
1754         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1755         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1756         mode.  Use relink_block_chain to serialize the CFG according to the
1757         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1758         here...
1759         (gate_handle_reorder_blocks): ...to here.
1760         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1761         from here...
1762         (gate_duplicate_computed_gotos): ...to here.
1763         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1764         something always changes when going into and out of cfglayout mode.
1765         Perform an expensive cfg cleanup while going into cfglayout mode.
1766         Always update liveness information on HAVE_conditional_execution
1767         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1768         * reg-stack.c: Include cfglayout.h.
1769         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1770         the call to reorder_basic_blocks.
1771         * basic-block.h (reorder_basic_blocks): Update prototype.
1772         (relink_block_chain): New prototype.
1773         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1774
1775 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1776
1777         * config/mips/mips.md (type, hazard, *movdi_32bit,
1778         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1779         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1780         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1781         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1782         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1783         applicable.
1784         (movcc): Change first xfer to multi.
1785         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1786         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1787         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1788         config/mips/generic.md: Change reservations using "xfer" to use
1789         "mfc,mtc".
1790         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1791         using match_operand.
1792         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1793         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1794         examining mode.
1795         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1796
1797 2007-03-22  Richard Henderson  <rth@redhat.com>
1798
1799         * config/i386/i386.c: Remove unnecessary function declarations.
1800         Move targetm definition, and all related macros, to the end of
1801         the file.  Resort some functions to put definitions before uses.
1802         (ix86_attribute_table): Make static.  Move to end of file.
1803         (ix86_gimplify_va_arg): Make static.
1804
1805 2007-03-22  Richard Henderson  <rth@redhat.com>
1806
1807         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1808         don't increase local_regparm with force_align_arg_pointer check.
1809         (ix86_function_sseregparm): Assert 32-bit.
1810         (type_has_variadic_args_p): New.
1811         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1812         type_has_variadic_args_p.
1813         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1814         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1815         use memset instead.  Do maybe_vaarg check first; skip attribute
1816         tests if true; skip attribute tests for 64-bit.
1817         (construct_container): Remove TARGET_DEBUG_ARG.
1818         (function_arg_advance_32, function_arg_advance_64): Split out ...
1819         (function_arg_advance): ... from here.
1820         (function_arg_32, function_arg_64): Split out ...
1821         (function_arg): ... from here.
1822         (ix86_pass_by_reference): Tidy.
1823         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1824         (function_value_32): New, from parts of ix86_function_value
1825         and ix86_value_regno.
1826         (function_value_64): New, from parts of ix86_function_value
1827         and ix86_libcall_value.
1828         (ix86_function_value_1): New.
1829         (ix86_function_value, ix86_libcall_value): Use it.
1830         (return_in_memory_32, return_in_memory_64): Split out ...
1831         (ix86_return_in_memory): ... from here.
1832         (ix86_struct_value_rtx): Skip for 64-bit.
1833         (ix86_libcall_value, ix86_value_regno): Remove.
1834         (setup_incoming_varargs_64): Split out ...
1835         (ix86_setup_incoming_varargs): ... from here.
1836         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1837         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1838         * config/i386/i386-protos.h (ix86_function_value): Remove.
1839         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1840
1841 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1842
1843         PR other/23572
1844         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1845         infinities not supported, otherwise emit warning if -Woverflow. On
1846         underflow, emit warning if -Woverflow.
1847         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1848         and 0 otherwise.
1849         * real.h (real_from_string): Update declaration
1850
1851 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1852             Richard Henderson  <rth@redhat.com>
1853
1854         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1855         * calls.c (compute_argument_block_size, expand_call,
1856         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1857         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1858         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1859         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1860         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1861         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1862         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1863         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1864         Set to 1.
1865
1866 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1867
1868         * c-incpath.c (add_sysroot_to_chain): New.
1869         (merge_include_chains): Add sysroot argument.  Call
1870         add_sysroot_to_chain if sysrooted.
1871         (register_include_chains): Update call to merge_include_chains.
1872         * doc/cppopts.texi: Document use of '=' in include directory
1873         arguments.
1874
1875 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1876
1877         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1878         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1879         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1880         insn pattern using X87MODEF12 mode macro.
1881
1882 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1883
1884         * regmove.c (regmove_optimize): Use reg_mentioned_p
1885         instead of reg_overlap_mentioned_p for DST.
1886
1887 2007-03-21  Mike Stump  <mrs@apple.com>
1888
1889         * c.opt: Fixup for Objective-C/C++.
1890
1891 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1892
1893         * explow.c (convert_memory_address): Fold memory reference when
1894         POINTERS_EXTEND_UNSIGNED < 0
1895
1896 2007-03-21  Richard Henderson  <rth@redhat.com>
1897
1898         PR target/31245
1899         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1900         * config/i386/mmintrin.h (__m64): Likewise.
1901         * config/i386/xmmintrin.h (__m128): Likewise.
1902
1903 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1904
1905         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1906         (VXWORKS_OS_CPP_BUILTINS): Define.
1907         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1908         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1909
1910 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1911
1912         * rtl.h (constant_pool_reference_p): Delete.
1913         (find_constant_src): Declare.
1914         * rtlanal.c (find_constant_src): New function.
1915         * simplify-rtx.c (constant_pool_reference_p): Delete.
1916         * config/i386/i386.md: Use find_constant_src instead of
1917         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1918
1919 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1920
1921         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1922         * c-cppbuiltin.c (c_cpp_builtins): Define them.
1923
1924 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
1925
1926         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
1927         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
1928         (arm_elf_asm_constructor): Use it.
1929         (arm_elf_asm_destructor): New function.
1930
1931 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
1932
1933         * jump.c (mark_jump_label): Treat SEQUENCE specially.
1934
1935 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
1936
1937         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
1938
1939 2007-03-19  Andrew Haley  <aph@redhat.com>
1940
1941         PR tree-optimization/31264
1942         * tree-vrp.c (register_edge_assert_for_1): Don't look though
1943         VIEW_CONVERT_EXPRs.
1944
1945 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
1946
1947         PR rtl-optimization/30907
1948         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
1949         (fwprop_init): Always call loop_optimizer_initialize.
1950         (fwprop_done): Always call loop_optimizer_finalize.
1951         (fwprop): We always have loop info now.
1952         (gate_fwprop_addr): Remove.
1953         (pass_fwprop_addr): Use gate_fwprop as gate.
1954
1955         PR rtl-optimization/30841
1956         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
1957         df_chain_alloc): Call df_reorganize_refs unconditionally.
1958         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
1959         refs_organized to refs_organized_size.
1960         (df_ref_create_structure): Use refs_organized_size instead of
1961         bitmap_size if refs had been organized, and keep refs_organized_size
1962         up-to-date.
1963         * df.h (struct df_ref_info): Change refs_organized to
1964         refs_organized_size.
1965         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
1966         bitmap_size.
1967
1968 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
1969
1970         * except.c (output_function_exception_table): Do not reference the
1971         EH personality routine for functions that do not require an
1972         exception table.
1973
1974 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
1975
1976         PR c/30762
1977         * c-typeck.c (convert_for_assignment): Call comptypes for
1978         RECORD_TYPE or UNION_TYPE.
1979
1980         PR inline-asm/30505
1981         * reload1.c (reload): Do invalid ASM checking after
1982         cleanup_subreg_operands.
1983
1984 2007-03-19  Jeff Law  <law@redhat.com>
1985
1986         * tree-cfg.c (find_taken_edge): Tighten conditions for
1987         optimizing computed gotos.
1988
1989 2007-03-19  Michael Matz  <matz@suse.de>
1990
1991         * builtins.c (expand_builtin_sync_operation,
1992         expand_builtin_compare_and_swap,
1993         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
1994         correctly.
1995
1996         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
1997         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
1998         for operand 3.
1999
2000 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2001
2002         * doc/tm.texi: Add brackets around the return type of
2003         TARGET_SECONDARY_RELOAD.
2004
2005 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2006         Richard Guenther  <rguenther@suse.de>
2007
2008         PR tree-optimization/31254
2009         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2010         Use handled_component_p () where appropriate.  Continue
2011         propagating into the rhs if we propagated into an INDIRECT_REF
2012         on the lhs.
2013
2014 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2015
2016         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2017         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2018         (xde, xdee): Mode attributes adjusted to support DFP modes.
2019         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2020         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2021         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2022         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2023         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2024         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2025         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2026         numbers.
2027         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2028         "movsf"): Insn definitions removed.
2029         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2030         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2031         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2032         definitions added.
2033         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2034         "reload_in<mode>", "reload_out<mode>"): Expander added.
2035         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2036         Expander removed.
2037
2038 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2039
2040         * config/s390/s390.md: Only non-functional changes.  Renamed
2041         FPR mode macro to BFP all over the file.
2042
2043 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2044
2045         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2046         (op_type attribute): RRF instruction type added.
2047         (fT0): New mode attribute.
2048         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2049         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2050         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2051         no secondary memory is needed when moving DFmode values between GPRs
2052         and FPRs.
2053
2054 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2055
2056         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2057         inverted and documentation adjusted.
2058         ("mhard-dfp", "msoft-dfp"): New options.
2059         * config/s390/s390.c (s390_handle_arch_option): New architecture
2060         switch: z9-ec.
2061         (override_options): Sanity checks for the new options added.
2062         * config.gcc: New architecture switch: z9-ec.
2063         * config/s390/s390.h (processor_flags): PF_DFP added.
2064         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2065         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2066         when the bit is NOT set so remove it from the defaults.
2067
2068 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2069
2070         * genemit.c (main): Print include statement for dfp.h.
2071         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2072         is not available.
2073
2074 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2075
2076         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2077
2078 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2079
2080         PR target/31022
2081         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2082         instead of PATTERN.
2083
2084 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2085
2086         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2087         attr_length_call, output_call, output_indirect_call): Cleanup
2088         formatting of targetm calls.
2089
2090 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2091
2092         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2093
2094 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2095
2096         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2097         reservation, bypass and anti-bypass descriptions for these instructions.
2098         Update move patterns.
2099         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2100         TYPE_FPSTORE.
2101
2102 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2103
2104         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2105         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2106         (get_initial_def_for_reduction): Likewise.
2107
2108 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2109
2110         Fix PR tree-optimization/29922
2111         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2112         (get_representative): Removed.
2113         (value_dies_in_block_x): Update for rvuse removal.
2114         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2115         (compute_antic_aux): Handle when PHI nodes appear in
2116         non-single-successors.
2117         (dump_bitmap_of_names): Removed.
2118         (compute_antic_safe): Renamed and removed rvuse calculation.
2119         Calculate only antic safe.
2120         (insert_into_preds_of_block): Remove assert.
2121         (execute_pre): Update for renamed functions.
2122         (defer_or_phi_translate_block): New function.
2123
2124 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2125
2126         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2127         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2128         typos.
2129         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2130         Follow spelling conventions.
2131
2132         * tree-data-ref.h: Remove the prototype for analyze_array.
2133
2134 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2135
2136         PR tree-optimization/31041
2137         * tree-vect-transform.c (get_initial_def_for_induction): Call
2138         force_gimple_operand.
2139
2140 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2141
2142         * ipa-type-escape.c (look_for_casts) : Revert code to use
2143         handled_component_p due to ada test a-numaux.adb.
2144
2145 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2146
2147         * final.c (final_scan_insn): Alter the condition of a
2148         conditional trap if we have nonstandard CC.
2149
2150 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2151
2152         * configure.ac: Remove excess quoting from asm line 0 test.
2153         * configure: Rebuilt.
2154
2155 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2156
2157         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2158         * c-common.c (convert_and_check): Move warning logic to...
2159         (warnings_for_convert_and_check): ...here. Define.
2160         * c-common.h (warnings_for_convert_and_check): Declare.
2161
2162 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2163
2164         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2165         (output_call): Likewise.
2166
2167 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2168
2169         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2170
2171 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2172
2173         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2174
2175 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2176
2177         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2178         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2179
2180 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2181
2182         PR tree-optimization/31183
2183         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2184         Use double_int instead of unsigned int for representing access_strides.
2185         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2186
2187 2007-03-16  Richard Guenther  <rguenther@suse.de>
2188
2189         PR tree-optimization/31146
2190         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2191         to allow recursion of forward_propagate_addr_expr.
2192         (forward_propagate_addr_into_variable_array_index): Likewise.
2193         (forward_propagate_addr_expr): Likewise.
2194         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2195         (forward_propagate_addr_expr_1): Recurse on simple copies
2196         instead of propagating into them.  Do so for useless conversions
2197         as well.
2198         (forward_propagate_addr_expr): Clean up unused statements after
2199         recursion.
2200
2201 2007-03-16  Richard Guenther  <rguenther@suse.de>
2202
2203         * builtins.c (expand_builtin_cexpi): Use the right argument
2204         for the expansion via cexp.
2205
2206 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2207
2208         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2209         * configure: Rebuilt.
2210
2211 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2212
2213         PR debug/29906
2214         * dwarf2out.c (force_type_die): Adjust comment.
2215         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2216
2217 2007-03-15  DJ Delorie  <dj@redhat.com>
2218
2219         * config/frv/predicates.md (minmax_operator): Don't check operands
2220         here.
2221
2222 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2223
2224         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2225         Update constant estimates of number of iterations.
2226         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2227         argument renamed to "realistic".
2228         (compute_estimated_nb_iterations): Removed.
2229         (record_niter_bound): New function.
2230         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2231         call record_nonwrapping_iv with upper = false.
2232         (infer_loop_bounds_from_signedness): Pass upper argument to
2233         record_nonwrapping_iv.
2234         (estimate_numbers_of_iterations_loop): Do not call
2235         compute_estimated_nb_iterations.  Record estimate based on profile
2236         information.  Initialize the constant estimates of number of
2237         iterations.
2238         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2239         estimates.
2240         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2241         number of iterations is too small.
2242         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2243         (EST_NOT_AVAILABLE): Removed.
2244         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2245         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2246         fields.
2247
2248 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2249
2250         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2251         Handle NE_EXPR guards.
2252
2253 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2254
2255         PR c++/24924
2256         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2257         Set also -pedantic-errors by default for the  preprocessor unless
2258         -fpermissive is given.
2259
2260 2007-03-15  Richard Guenther  <rguenther@suse.de>
2261
2262         PR middle-end/29719
2263         PR middle-end/31161
2264         * builtins.c (expand_builtin_cexpi): As a fallback if we
2265         don't have builtins for sincos or cexp create a function
2266         declaration for cexp and expand to a call to that.
2267         (expand_builtin_int_roundingfn): Always fall
2268         back to floor/ceil and its variants even if they may be
2269         not available.
2270
2271 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2272
2273         PR middle-end/31159
2274         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2275         jump tables, move the call to delete_dead_jumptables from here...
2276         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2277         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2278         don't allow merging of blocks that try_redirect_by_replacing_jump
2279         also does not handle when not optimizing.
2280
2281 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2282             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2283
2284         * config/i386/i386.md (x86_sahf_1): Correctly handle
2285         HAVE_AS_IX86_SAHF.
2286
2287 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2288
2289         PR target/31167
2290         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2291         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2292         from operand constraints and use "e" constraint instead.
2293         (*subti3_1, *subti3_1 splitter): Ditto.
2294         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2295         operand[1] predicate.
2296
2297 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2298
2299         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2300         arrays, multiply the access strides by the size of the sub-array.
2301         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2302
2303 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2304
2305         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2306         the configured assembler supports the sahf mnemonic.
2307         * configure: Regenerate.
2308         * config.in: Regenerate.
2309
2310         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2311         emit "sahf" or ".byte\t0x9e" as asm template.
2312
2313 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2314
2315         PR 31018
2316         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2317         option to replace hard coded TARGET_xxx in md file.
2318         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2319         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2320         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2321         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2322         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2323         (X86_TUNE_NOT_VECTORMODE): Ditto.
2324         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2325         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2326         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2327         (TUNE_SLOW_IMUL_IMM8): Ditto.
2328         (TUNE_MOVE_M1_VIA_OR): Ditto.
2329         (TUNE_NOT_UNPAIRABLE): Ditto.
2330         (TUNE_NOT_VECTORMODE): Ditto.
2331
2332         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2333         options.
2334
2335         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2336         tuning options instead of hard coded TARGET_xxx.
2337         (fix ssemode peephole2's): Ditto.
2338         (imul peephole2's): Ditto.
2339         (movsi_or): Ditto.
2340         (movdi_or_rex64): Ditto.
2341         (move peephole2): Ditto.
2342         (not peephole2's): Ditto.
2343
2344 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2345
2346         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2347         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2348         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2349         of empty body.
2350         * c-parser.c (c_parser_do_statement): Warn about empty body in
2351         do/while statement.
2352         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2353         * doc/invoke.texi (-Wempty-body): Update documentation.
2354
2355 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2356
2357         PR c/21438
2358         * c-common.h (warn_for_div_by_zero): Declare.
2359         * c-common.c (warn_for_div_by_zero): Define.
2360         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2361         warning.
2362
2363 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2364
2365         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2366         to PREFIX and STANDARD_PREFIX.
2367
2368 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2369             Phil Edwards  <phil@codesourcery.com>
2370
2371         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2372         (__gthread_once_t): Remove busy field for RTPs.
2373         (__GTHREAD_ONCE_INIT): Update accordingly.
2374
2375 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2376
2377         * doc/invoke.texi: Document VxWorks options.
2378
2379 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2380
2381         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2382
2383 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2384
2385         PR tree-optimization/30590
2386         * tree-nrv.c (tree_nrv): Check for the partial update of the
2387         return value.
2388
2389 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2390
2391         * flags.h (flag_random_seed): Remove declaration, in favor of...
2392         * toplev.h (get_random_seed, set_random_seed): ... these.
2393         * tree.c (get_file_function_name): Use the former.
2394         * opts.c (common_handle_option): Use the latter.
2395         * toplev.c
2396
2397 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2398
2399         PR middle-end/31127
2400         * cse.c (cse_find_path): Do not bail out if a basic block that
2401         we already visited now becomes part of a path that starts at a
2402         different basic block.  Just disallow this, to make sure we
2403         visit each basic block at most once.
2404
2405 2007-03-13  Jan Hubicka  <jh@suse.cz>
2406
2407         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2408         when profile esitmate is present, calls with very low frequency are
2409         cold.
2410
2411 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2412
2413         PR tree-optimization/30730
2414         PR tree-optimization/26900
2415         * tree-ssa-loop-niter.c: Include gmp.h.
2416         (bounds): New type.
2417         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2418         split_to_var_and_offset, determine_value_range,
2419         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2420         bound_difference, bounds_add, bounds_negate,
2421         number_of_iterations_ne_max, dump_affine_iv): New functions.
2422         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2423         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2424         difference of initial and final value of control iv to validate
2425         results.
2426         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2427         on the difference of the extremes of the control iv.  Add dumps.
2428         (expand_simple_operations): Handle phi nodes.
2429         (simplify_using_initial_conditions): Do not record used conditions.
2430         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2431         Do not set additional_info.
2432         (implies_nonnegative_p, implies_ge_p): Removed.
2433         (derive_constant_upper_bound): Do not use parameter `additional'.
2434         (record_estimate): Parameter `additional' removed.  Parameter
2435         `i_bound' added.  Do not call derive_constant_upper_bound.
2436         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2437         bound the number of iterations estimate.
2438         (estimate_numbers_of_iterations_loop): Pass the estimate from
2439         the number of iterations analysis to record_estimate.
2440         * tree.h (multiple_of_p): Declare.
2441         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2442         (scev_const_prop): Do not check expression_expensive_p.
2443         * fold-const.c (multiple_of_p): Exported.
2444         * double-int.c (double_int_mask): Exported.
2445         * double-int.h (double_int_mask): Declare.
2446         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2447         field.  Added max field.
2448
2449 2007-03-13  David Taylor  <taylor@candd.org>
2450
2451         PR driver/12448:
2452         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2453         default -MQ.
2454
2455 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2456
2457         PR target/31123
2458         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2459         two unamed patterns.
2460
2461 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2462
2463         * config/i386/i386.opt (mcx16, msahf): New options.
2464         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2465         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2466
2467         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2468         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2469         Output -mcx16 and -msahf options when corresponding bit is set.
2470
2471         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2472         and -msahf options.
2473
2474 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2475
2476         * configure.ac: Test for assembler tolerance to # 0 "".
2477         * configure, config.in: Rebuilt.
2478         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2479
2480 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2481
2482         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2483
2484         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2485         (handle_syscall): Handle direct system calls.
2486         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2487
2488 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2489
2490         * doc/invoke.texi: Fix cpp.info cross-reference.
2491         * doc/passes.texi: Fix gcc.info cross-reference.
2492
2493 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2494
2495         PR tree-optimization/30835
2496         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2497         bb_for_stmt is not NULL before accessing it.
2498
2499 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2500
2501         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2502         some multilibs.
2503
2504 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2505
2506         PR 30635
2507         * doc/install.texi: Document --enable-stage1-languages
2508
2509 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2510
2511         * tree-pass.h (pass_into_cfg_layout_mode,
2512         pass_outof_cfg_layout_mode): Declare.
2513         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2514         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2515         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2516         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2517
2518 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2519
2520         * c-decl.c (warn_variable_length_array): New function.
2521         Refactored from grokdeclarator to handle warn_vla
2522         and handle unnamed array case.
2523         (grokdeclarator): Refactored VLA warning case.
2524         * c.opt (Wvla): New flag.
2525         * doc/invoke.texi (Wvla): New warning.
2526
2527 2007-03-12  Richard Henderson  <rth@redhat.com>
2528
2529         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2530         (TARGET_SECTION_TYPE_FLAGS): New.
2531
2532 2007-03-12  Richard Henderson  <rth@redhat.com>
2533
2534         * config/darwin.c (machopic_reloc_rw_mask): New.
2535         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2536         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2537
2538 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2539
2540         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2541         * cppdefault.h (cpp_PREFIX): Document.
2542         (cpp_PREFIX_len): Likewise.
2543         (cpp_EXEC_PREFIX): New variable.
2544         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2545         * c-incpath.c (add_standard_paths): Correct logic for relocating
2546         paths within prefix.
2547
2548 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2549
2550         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2551         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2552         mode macro.
2553         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2554         fix_truncdfdi_sse using SSEMODEF mode macro.
2555         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2556         fix_truncdfsi_sse using SSEMODEF mode macro.
2557         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2558         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2559
2560 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2561
2562         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2563         elfos.h to tm_file.
2564
2565 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2566
2567         * tree.h : Add multiple_of_p declaration.
2568         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2569         * ipa-type-escape.c (results_of_malloc): Redundant.
2570         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2571         (cast_type): Extended with new members.
2572         (check_cast): Returns cast_type.
2573         (cast): New structure for data of walk_use_def_chains.
2574         (is_malloc_result, is_cast_from_non_pointer_1,
2575         is_cast_from_non_pointer,
2576         is_array_access_through_pointer_and_index): New functions.
2577         (look_for_casts): Returns cast types.
2578         (check_call): Returns void.
2579         (okay_pointer_operation): Use support of pointer plus index,
2580         pointer plus constant and allow all multiplications.
2581
2582 2007-03-11  Richard Guenther  <rguenther@suse.de>
2583
2584         PR tree-optimization/31115
2585         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2586         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2587         A shift count of zero is not special as with *_DIV_EXPR.
2588         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2589         direction.
2590
2591 2007-03-11  Ian Lance Taylor  <iant@google.com>
2592
2593         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2594         the *_DIV_EXPR codes correctly with overflow infinities.
2595
2596 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2597
2598         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2599         indicate success/failure of the analysis. Add negation to subtrahend
2600         in case of subtraction. Fail if both operands contain constants.
2601         (create_data_ref): Fail if analyze_offset fails.
2602
2603 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2604
2605         * config/i386/i386.md (frndintxf2): Rename to ...
2606         (rintxf2): ... this. Remove expander having same name.
2607         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2608         (roundsf2, rounddf2): Ditto.
2609         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2610         (lround<mode>di2, lround<mode>si2): Ditto.
2611
2612 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2613
2614         * lower-subreg.c: Include except.h.
2615         (decompose_multiword_subregs): Verify that the only control flow
2616         insns we can split are loads to multi-words pseudos.
2617         Handle breaking such blocks after splitting, instead of calling
2618         find_many_sub_basic_blocks.
2619
2620         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2621         on the new basic block.  Add a lengthy comment explaining why we
2622         thought this was necessary.
2623         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2624
2625 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2626
2627         PR c++/30924
2628         * tree.c (walk_type_fields): Recurse into the element type of
2629         ARRAY_TYPEs if there is a pointer set.
2630
2631 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2632
2633         * c-common.c (warn_logical_operator): Fix condition.
2634
2635 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2636
2637         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2638         quotation mark.
2639         * config/darwin.c (machopic_select_section): Remove superfluous
2640         argument in call to categorize_decl_for_section.  Remove unused
2641         variable shlib.
2642
2643 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2644
2645         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2646         defined.
2647         * configure: Regenerate.
2648
2649 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2650
2651         PR target/31101
2652         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2653         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2654         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2655         Add LABEL_NUSES to emitted label.
2656         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2657         branch probability value to emitted jump insn.
2658         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2659         Do not check life information and do not re-arrange input operands
2660         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2661
2662 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2663
2664         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2665         the change of decode_asm_operands.
2666
2667 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2668
2669         * mode-switching.c (create_pre_exit): Skip blockage insn.
2670
2671 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2672
2673         * tree-pass.h (TODO_update_smt_usage): Remove.
2674         Update all users.
2675         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2676         argument SOME.
2677         Update all users.
2678
2679 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2680
2681         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2682         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2683         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2684         SOM target.
2685
2686 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2687
2688         * gcc.c: Document %{, in big comment at top.
2689         (input_suffix_matches): Remove special handling for .s and
2690         .S.
2691         (input_spec_matches): New.
2692         (handle_braces): Handle %{,.
2693         (validate_switches): ',' indicates a value which is not a switch.
2694         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2695         to detect assembler input.
2696         * config/i386/sol2.h (CPP_SPEC): Likewise.
2697         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2698         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2699         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2700         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2701         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2702         -m64 causes deployment target to default to 10.5.
2703         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2704
2705 2007-03-09  Richard Henderson  <rth@redhat.com>
2706
2707         PR target/26090
2708         * target.h (targetm.asm.out.reloc_rw_mask): New.
2709         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2710         (TARGET_ASM_OUT): Use it.
2711         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2712         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2713         use the new reloc_rw_mask target hook instead.
2714         (default_section_type_flags_1): Merge into...
2715         (default_section_type_flags): ... here.
2716         (decl_readonly_section_1): Merge into...
2717         (decl_readonly_section): ... here.
2718         (default_elf_select_section_1): Merge into...
2719         (default_elf_select_section): ... here.
2720         (default_unique_section_1): Merge into...
2721         (default_unique_section): ... here.
2722         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2723         (default_select_rtx_section): Use it.
2724         (default_elf_select_rtx_section): Likewise.
2725         * output.h: Update to match.
2726         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2727         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2728         (TARGET_ASM_RELOC_RW_MASK): New.
2729         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2730         to categorize_decl_for_section.
2731         (x86_64_elf_unique_section): Likewise.
2732         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2733         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2734         (TARGET_ASM_RELOC_RW_MASK): New.
2735         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2736         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2737         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2738         (TARGET_RWRELOC): Remove.
2739         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2740         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2741         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2742         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2743         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2744         (rs6000_xcoff_select_section): Use decl_readonly_section.
2745         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2746         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2747         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2748         (TARGET_SECTION_TYPE_FLAGS): Remove.
2749         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2750
2751 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2752
2753         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2754         complex constant equality/inequality comparisons for here.
2755         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2756         known at compile-time or can be simplified to a scalar comparison.
2757         (fold_relational_const): Move compile-time evaluation of complex
2758         constant equality/inequality comparisons to here.
2759
2760 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2761
2762         PR rtl-optimization/30643
2763         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2764         dest_addr_elt.
2765         (fold_rtx): Recurse, like before 2006-11-03.
2766
2767 2007-03-09  DJ Delorie  <dj@redhat.com>
2768
2769         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2770         m32c-pragma.o.
2771
2772 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2773
2774         PR tree-optimization/30375
2775         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2776         LHS of statements is not the same.
2777         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2778
2779 2007-03-09  Chao-ying Fu  <fu@mips.com>
2780
2781         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2782         REV 2.
2783         * doc/invoke.texi (-mdspr2): Document new option.
2784         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2785         New unspec for DSP REV 2.
2786         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2787         these instructions are extended in DSP REV 2.
2788         (mips-dspr2.md): Include.
2789         * config/mips/mips.opt (mdspr2): New option.
2790         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2791         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2792         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2793         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2794         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2795         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2796         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2797         and 2 builtins.
2798         (bdesc_map): Add one field of unsupported_target_flags.
2799         (bdesc_arrays):  Update entries to have extra fields.  Add
2800         dsp_32only_bdesc.
2801         (mips_init_builtins): Initialize new function types.
2802         Check unsupported_target_fileds to filter out builtins.
2803         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2804         TARGET_DSPR2.
2805         (ASM_SPEC): Pass mdspr2 to the assembler.
2806         * config/mips/mips-dspr2.md: New file.
2807
2808 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2809
2810         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2811
2812 2007-03-09  Ian Lance Taylor  <iant@google.com>
2813
2814         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2815         argument) like -Wstrict-overflow=2.
2816         * doc/invoke.texi (Warning Options): Update documentation.
2817
2818 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2819
2820         PR c++/17946
2821         * doc/invoke.texi (-Wlogical-op): Document.
2822         * common.opt (-Wlogical-op): New.
2823         * c-common.h (warn_logical_operator): Declare.
2824         * c-common.c (warn_logical_operator): Define.
2825         * c-typeck.c (parser_build_binary_op): Call
2826         warn_logical_operator.
2827
2828 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2829
2830         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2831         * final.c (final_scan_insn): Test for non-"" file name.
2832
2833 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2834
2835         * doc/loop.texi: Document the Omega linear constraints solver.
2836         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2837         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2838         omega-hash-table-size, omega-max-keys, and
2839         omega-eliminate-redundant-constraints.
2840         * tree-pass.h (pass_check_data_deps): Declared.
2841         * omega.c: New.
2842         * omega.h: New.
2843         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2844         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2845         pass_check_data_deps): New.
2846         * tree-data-ref.c (init_data_ref): Remove declaration.
2847         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2848         (analyze_array): Renamed init_array_ref, move up initializations.
2849         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2850         Removed arguments that are set to NULL.
2851         (analyze_indirect_ref): Correct indentation, correct call to
2852         init_pointer_ref.
2853         (object_analysis): Call init_array_ref instead of analyze_array.
2854         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2855         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2856         of DR_ACCESS_FNS_ADDR.
2857         (init_omega_eq_with_af, omega_extract_distance_vectors,
2858         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2859         ddr_consistent_p): New.
2860         (compute_affine_dependence): Check consistency of ddrs when
2861         flag_check_data_deps is passed.
2862         (analyze_all_data_dependences): Uncomment.
2863         (tree_check_data_deps): New.
2864         * tree-data-ref.h: Include omega.h.
2865         (DR_ACCESS_FNS_ADDR): Removed.
2866         (data_dependence_relation): Add inner_loop.
2867         (DDR_INNER_LOOP): New.
2868         * common.opt (fcheck-data-deps): New.
2869         * tree-flow.h (tree_check_data_deps): Declare.
2870         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2871         (OBJS-common): Depend on omega.o.
2872         (omega.o): Define.
2873         * passes.c (pass_check_data_deps): Scheduled.
2874         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2875         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2876         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2877         PARAM_VECT_MAX_VERSION_CHECKS,
2878         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2879
2880 2007-03-09  Richard Guenther  <rguenther@suse.de>
2881
2882         PR tree-optimization/30904
2883         PR middle-end/31058
2884         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2885         the same way as *_DIV_EXPR.
2886
2887 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2888
2889         * recog.c (decode_asm_operands): No mixed declarations and code.
2890
2891 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2892
2893         * rtl.def (ASM_INPUT): Add location.
2894         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2895         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2896         (decode_asm_operands): Add loc operand.
2897         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2898         * stmt.c (expand_asm): Rename to...
2899         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2900         gen_rtx_ASM_INPUT_loc.
2901         (expand_asm_expr): Adjust.
2902         * recog.c (decode_asm_operands): Add loc operand.
2903         (check_asm_operands, extract_insn): Adjust.
2904         * reload1.c (maybe_fix_stack_asms): Likewise.
2905         * final.c (asm_insn_count): Likewise.
2906         (final_scan_insn): Output # line before and after asm.
2907
2908 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2909
2910         * tree-ssa-structalias.c (variable_info): Remove
2911         finished_solution.
2912         (new_var_info): Ditto.
2913         (shared_bitmap_info_t): New structure.
2914         (shared_bitmap_table): New variable.
2915         (shared_bitmap_hash): New function.
2916         (shared_bitmap_eq): Ditto
2917         (shared_bitmap_lookup): Ditto.
2918         (shared_bitmap_add): Ditto.
2919         (merge_smts_into): Change to take bitmap directly.
2920         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2921         (init_alias_vars): Init shared bitmap hashtable.
2922         (delete_points_to_sets): Delete shared bitmap hashtable.
2923         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
2924         is_aliased removal as a change that was still necessary was
2925         deleted.
2926
2927 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
2928
2929         * config/i386/i386.h (override_options): Conditionally disable
2930         x86_sahf for 64bit targets only.
2931
2932 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2933
2934         PR C/31072
2935         * c-decl.c (merge_decls): Don't call make_var_volatile.
2936         * varasm.c (make_var_volatile): Remove.
2937         * output.h (make_var_volatile): Remove.
2938
2939 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
2940
2941         PR tree-optimization/31085
2942         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
2943
2944 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2945
2946         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
2947         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
2948         ATTR_CONST_NOTHROW_LIST.
2949
2950         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
2951         FIX_TRUNC_EXPR.
2952
2953 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
2954
2955         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
2956
2957 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
2958
2959         PR 31013
2960         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
2961         is declared.
2962         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
2963         passed, use shared libgcc.
2964
2965 2007-03-08  Roger Sayle  <roger@eyesopen.com>
2966
2967         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
2968         instead of calling build2 with a GIMPLE_MODIFY_STMT.
2969         (honor_protect_cleanup_actions, lower_try_finally_switch):
2970         Likewise.
2971         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
2972         ifc_temp_var): Likewise.
2973         * tree-inline.c (setup_one_parameter): Likewise.
2974         * tree-mudflap.c (mf_decl_cache_locals,
2975         mf_build_check_statement_for): Likewise.
2976         * tree-nested.c (init_tmp_var, save_tmp_var,
2977         finalize_nesting_tree_1): Likewise.
2978         * tree-outof-ssa.c (insert_copy_on_edge,
2979         insert_backedge_copies): Likewise.
2980         * tree-profile.c (tree_gen_edge_profiler,
2981         tree_gen_ic_profiler): Likewise.
2982         * tree-scalar-evolution.c (scev_const_prop): Likewise.
2983         * tree-sra.c (sra_build_assignment): Likewise.
2984         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
2985         * tree-ssa-math-opts.c (insert_reciprocals,
2986         execute_cse_sincos_1): Likewise.
2987         * tree-tailcall.c (adjust_accumulator_values,
2988         adjust_return_value): Likewise.
2989         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
2990         * tree-vect-transform.c (vect_create_data_ref_ptr,
2991         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
2992         vect_create_epilog_for_reduction, vectorizable_reduction,
2993         vectorizable_call, vectorizable_conversion,
2994         vectorizable_assignment, vectorizable_operation,
2995         vectorizable_type_demotion, vect_gen_widened_results_half,
2996         vect_permute_store_chain, vectorizable_store,
2997         vect_setup_realignment, vect_permute_load_chain,
2998         vectorizable_load, vectorizable_condition,
2999         vect_create_cond_for_align_checks): Likewise.
3000         * tree-vrp.c (build_assert_expr_for): Likewise.
3001
3002 2007-03-08  Ian Lance Taylor  <iant@google.com>
3003
3004         * tree-vrp.c: Include "intl.h".
3005         (usable_range_p): New static function.
3006         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3007         overflowed values, juts set *strict_overflow_p.
3008         (compare_values): Only return -2 if one of the operands is not a
3009         constant.
3010         (compare_ranges): Call usable_range_p.
3011         (compare_range_with_value): Likewise.
3012         (vrp_evaluate_conditional_warnv): Rename from
3013         vrp_evaluate_conditional.  Make static.  Change all callers.
3014         (vrp_evaluate_conditional): New function.
3015         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3016         on signed overflow.
3017         (simplify_abs_using_ranges): Likewise.
3018         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3019         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3020         within_stmt parameter.
3021         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3022         vrp_evaluate_conditional.
3023         * tree-ssa-threadedge.c
3024         (record_temporary_equivalences_from_stmts_at_dest): Change
3025         simplify parameter to take a second tree parameter.
3026         (simplify_control_stmt_condition): Likewise.
3027         (thread_across_edge): Likewise.
3028         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3029         (thread_across_edge): Likewise.
3030         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3031
3032 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3033
3034         * config/i386/i386.h (TARGET_SAHF): New define.
3035         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3036         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3037         (x86_sahf): New global variable.
3038         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3039         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3040         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3041         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3042         for 64-bit.
3043         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3044         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3045         when expanding fcomi/sahf based tests.
3046         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3047         expanding sahf based alternative. Emit sahf based sequence when
3048         optimizing for code size.
3049         * config/i386/i386.md (x86_sahf_1): Do not disable for
3050         TARGET_64BIT, enable for TARGET_SAHF.
3051
3052 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3053
3054         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3055         spurious whitespace from error message.
3056
3057 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3058
3059         PR c++/30852
3060         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3061
3062 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3063
3064         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3065         bitfields.
3066         * tree-sra.c (instantiate_element): Propagate disabled warnings
3067         from the element itself to the created variable.
3068
3069 2007-03-07  Richard Henderson  <rth@redhat.com>
3070
3071         PR target/30848
3072         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3073         silently fix up the stack in the case of a missing register.
3074
3075 2007-03-07  Paul Brook  <paul@codesourcery.com>
3076
3077         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3078
3079 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3080
3081         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3082         New.
3083         (phase1_vrs): Use them.
3084         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3085         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3086         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3087         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3088         __gnu_Unwind_Restore_WMMXC if required.
3089         (_Unwind_VRS_Pop): Implement iWMMXt support.
3090         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3091         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3092         gnu_Unwind_Save_WMMXC): Define.
3093
3094 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3095
3096         * config/vxworks.h (vxworks_override_options): Declare.
3097         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3098         * config/vxworks.c: Include target.h and toplev.h.
3099         (vxworks_override_options): New function.
3100         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3101
3102 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3103
3104         * config/s390/s390.c (override_options): Don't emit an error when
3105         -mstack-size is used without providing -mstack-guard.
3106         (s390_emit_prologue): Choose stack_guard value automatically if not
3107         provided via command line.
3108         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3109
3110 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3111
3112         * config/i386/i386.c (output_set_got): Add a GOT initialization
3113         sequence for VxWorks PIC.
3114         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3115         around labels as well as symbols.  Use gotoff_operand instead
3116         of local_symbolic_operand.
3117         (legitimize_pic_address): Use gotoff_operand instead of
3118         local_symbolic_operand.  Use @GOT accesses for labels as
3119         well as symbols.
3120         (ix86_output_addr_diff_elt): Use PC-relative rather than
3121         GP-relative offsets for VxWorks PIC.
3122         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3123         no_new_pseudos.  Check whether the returned register is op0.
3124         * config/i386/i386.md (tablejump): Use PC-relative rather than
3125         GP-relative offsets for VxWorks PIC.
3126         * config/i386/predicates.md (gotoff_operand): New predicate.
3127
3128 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3129
3130         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3131         before defining.
3132         * config/vxworks-dummy.h: New file.
3133         * config/i386/i386.h: Include it.
3134
3135 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3136
3137         * dwarf2out.c (is_inlined_entry_point): New
3138         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3139         DW_AT_ranges if the first subblock is the entry point.
3140
3141 2007-03-06  David Daney  <ddaney@avtrex.com>
3142
3143         * doc/install.texi (mips-*-*): Change recommended binutils
3144         version.
3145
3146 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3147
3148         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3149         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3150         devices.
3151         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3152         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3153
3154 2007-03-06  Jan Hubicka  <jh@suse.cz>
3155
3156         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3157         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3158         are hot.
3159         (probably_cold_bb_p): Cold functions are cold.
3160         (probably_never_executed_bb_p): Cold functions are cold.
3161         (tree_bb_level_predictions): Predict calls to cold functions as not
3162         taken.
3163         (compute_function_frequency): Check hot/cold attributes.
3164         * function.h (function_frequency): Update comments.
3165         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3166         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3167         (c_common_att): Add cold and hot.
3168
3169         * doc/extend.texi (hot,cold attributes): Document.
3170
3171 2007-03-06  Andrew Haley  <aph@redhat.com>
3172
3173         * function.c (expand_function_end): Move blockage to just after we
3174         emit the label for the naked return from the function.
3175
3176 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3177
3178         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3179         before redefining.
3180
3181 2007-03-06  Jan Hubicka  <jh@suse.cz>
3182
3183         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3184         loaded for constant large models.  Non-large 64bit PIC can do.
3185         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3186         * cmodel.h: Add LARGE PIC.
3187         * i386.md (UNSPEC_PLTOFF): New.
3188         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3189         needed.
3190         (*call_1_rex64): Disable for large models.
3191         (*call_1_rex64_large): New.
3192         (*call_value_1_rex64): Disable for large models.
3193         (*call_value_1_rex64_large): New.
3194         (set_rip_rex4): New.
3195         (set_got_offset_rex64): New.
3196         * predicates.md (constant_call_address_operand): For large model
3197         constant calls are not possible.
3198         * i386-protos.h (construct_plt_address): Declare.
3199         * i386.c (override_options): Accept large models.
3200         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3201         (legitimate_constant_p): Add new UNSPECs.
3202         (legitimate_pic_operand_p): Likewise.
3203         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3204         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3205         non-large model.
3206         (output_pic_addr_const): Add PLTOFF.
3207         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3208         (ix86_expand_move): Legitimize pic address when in PIC mode.
3209         (construct_plt_address): New function.
3210         (ix86_expand_call): Offload the address to register and use GOT pointer
3211         for large model.
3212         * invoke.texi (mcmodel=large): Update documentation.
3213
3214 2007-03-06  Richard Henderson  <rth@redhat.com>
3215
3216         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3217         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3218         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3219         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3220         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3221         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3222         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3223         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3224         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3225         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3226         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3227         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3228         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3229         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3230         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3231         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3232         x86_schedule, x86_use_bt, x86_pad_returns,
3233         x86_use_xchgb): Merge into ...
3234         (ix86_tune_features): ... here.  New array.
3235         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3236         x86_bswap): Merge into ...
3237         (ix86_arch_features): ... here.  New array.
3238         (x86_3dnow_a): Remove.
3239         (x86_accumulate_outgoing_args): Make static.
3240         (x86_arch_always_fancy_math_387): Make static.
3241         (ix86_tune_mask, ix86_arch_mask): Move ...
3242         (override_options): ... to local variables here.  Apply the
3243         appropriate mask to each element of ix86_arch_features and
3244         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3245         as were done in the old macros.
3246         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3247         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3248         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3249         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3250         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3251         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3252         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3253         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3254         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3255         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3256         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3257         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3258         x86_accumulate_outgoing_args, x86_prologue_using_move,
3259         x86_epilogue_using_move, x86_decompose_lea,
3260         x86_arch_always_fancy_math_387, x86_shift1,
3261         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3262         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3263         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3264         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3265         x86_use_incdec, x86_pad_returns, x86_bswap,
3266         x86_partial_flag_reg_stall): Remove.
3267         (enum ix86_tune_indices): New.
3268         (ix86_tune_features): New.
3269         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3270         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3271         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3272         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3273         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3274         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3275         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3276         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3277         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3278         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3279         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3280         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3281         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3282         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3283         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3284         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3285         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3286         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3287         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3288         TARGET_EXT_80387_CONSTANTS): Use it.
3289         (enum ix86_arch_indices): New.
3290         (ix86_arch_features): New.
3291         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3292         TARGET_BSWAP): Use it.
3293         (ix86_tune_mask, ix86_arch_mask): Remove.
3294
3295 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3296
3297         PR bootstrap/31020
3298         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3299         Define using $${sysroot_headers_suffix}.
3300         * configure: Regenerate.
3301         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3302         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3303         defined.
3304         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3305         * gcc.c (print_sysroot_headers_suffix): New.
3306         (option_map): Include --print-sysroot-headers-suffix.
3307         (display_help): Mention -print-sysroot-headers-suffix.
3308         (process_command): Handle -print-sysroot-headers-suffix.
3309         (do_spec_1): Append multilib directory to include-fixed path if
3310         sysroot suffixes in use.
3311         (main): Handle -print-sysroot-headers-suffix.
3312         * Makefile.in (start.encap): Don't depend on xlimits.h
3313         (xlimits.h): Remove.
3314         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3315         limits.h for each multilib in fixinc_list.
3316         (fixinc_list, s-fixinc_list): New.
3317         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3318         generate them for each multilib in fixinc_list.
3319         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3320         multilib in fixinc_list.
3321         (mostlyclean): Don't remove xlimits.h.
3322         (clean): Remove include-fixed.
3323         (real-install-headers-tar, real-install-headers-cpio,
3324         real-install-headers-cp): Don't copy include, only include-fixed.
3325         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3326         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3327         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3328         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3329
3330 2007-03-06  Jan Hubicka  <jh@suse.cz>
3331
3332         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3333         NANs easilly.
3334
3335 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3336
3337         * configure.ac: Allow tm_file to contain build-directory files.
3338         * configure: Regenerate.
3339         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3340         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3341         * config/m68k/print-sysroot-suffix.sh: New file.
3342
3343 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3344
3345         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3346         of pic_offset_table_rtx if reload_completed.
3347         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3348         PIC_OFFSET_TABLE_REGNUM.
3349         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3350         return true.
3351         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3352         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3353
3354 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3355
3356         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3357         functions that call eh_return.
3358
3359 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3360
3361         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3362         functions that need a constant pool.
3363
3364 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3365
3366         PR target/28181
3367         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3368         (m68k_preferred_reload_class): Likewise.
3369         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3370         (SECONDARY_RELOAD_CLASS): Define.
3371         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3372         (LIMIT_RELOAD_CLASS): Delete.
3373         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3374         registers from storing bytes.
3375         (m68k_secondary_reload_class): New function.
3376         (m68k_preferred_reload_class): Likewise.
3377
3378 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3379
3380         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3381         leaf functions.
3382         (m68k_expand_prologue): Likewise.
3383
3384 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3385
3386         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3387         (mips_expand_epilogue): Add a bool parameter.
3388         (m68k_legitimize_sibcall_address): Declare.
3389         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3390         (m68k_expand_epilogue): Add a parameter to select between sibling
3391         and normal epilogues.  Only generate a return for the latter.
3392         (m68k_ok_for_sibcall_p): New function.
3393         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3394         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3395         (sibcall_value, *sibcall_value): Likewise.
3396         (*call, *call_value): Require !SIBLING_CALL_P.
3397         (epilogue): Update call to m68k_expand_epilogue.
3398         (sibcall_epilogue): New pattern.
3399         * config/m68k/predicates.md (const_call_operand): Say that this
3400         predicate applies to sibling calls too.
3401         (sibcall_operand): New predicate.
3402
3403 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3404
3405         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3406         alternatives as movsi_cf.
3407         (movsf_cf_hard): Add commentary.
3408
3409 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3410             Richard Sandiford  <richard@codesourcery.com>
3411
3412         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3413         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3414         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3415         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3416         as being live on exit from an interrupt function.
3417         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3418         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3419         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3420         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3421         (m68k_interrupt_function_p): Globalize.
3422         (m68k_compute_frame_layout): Remove reverse mask code.
3423         (m68k_emit_movem, m68k_set_frame_related): New functions.
3424         (m68k_output_function_prologue): Delete in favor of...
3425         (m68k_expand_prologue): ...this new function.
3426         (m68k_output_function_epilogue): Delete in favor of...
3427         (m68k_expand_epilogue): ...this new function.
3428         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3429         functions.
3430         (print_operand): Handle %?.
3431         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3432         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3433         (prologue, epilogue): New patterns.
3434         (return): Turn into a define_expand.
3435         (*return): New pattern, derived from old "return" pattern.  Use rte
3436         rather than rts for interrupt functions.  Only use rtd if the pop
3437         count is nonzero.
3438         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3439         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3440         (link, *link, unlink, *unlink, load_got): Likewise.
3441
3442 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3443
3444         PR target/23482
3445         PR target/17114
3446         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3447         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3448         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3449         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3450         and m68k_matches_u_p.
3451         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3452         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3453         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3454         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3455         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3456         (REG_STRICT_P): New macro.
3457         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3458         PCREL_GENERAL_OPERAND_OK.
3459         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3460         m68k_legitimate_base_reg_p.
3461         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3462         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3463         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3464         * config/m68k/m68k.c (m68k_address): New structure.
3465         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3466         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3467         (m68k_jump_table_ref_p, m68k_decompose_address)
3468         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3469         (m68k_matches_u_p): New functions.
3470         (print_operand_address): Rewrite to use m68k_decompose_index.
3471
3472 2007-03-05  David Taylor  <dtaylor@emc.com>
3473
3474         * gcc.c: Correct copyright date in --version output.
3475
3476 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3477
3478         * pa.md: In unamed move patterns, disparge copies between general
3479         and floating point registers using '?' modifier.  Don't include 'f'
3480         constraint for register preferences in DImode, SImode, HImode and
3481         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3482         Remove constraints for copies between general and floating registers
3483         in soft-float DFmode pattern.
3484         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3485         floating register.
3486         (movsf): Likewise.
3487
3488 2007-03-05  Mike Stump  <mrs@apple.com>
3489
3490         * c-common.c (targetcm): Add.
3491         * c-opts.c (c_common_handle_option): Handle language specific
3492         target options.
3493         * opts.c (handle_option): Verify language for target options, if
3494         any are given.
3495         * opth-gen.awk: Add CL_LANG_ALL.
3496         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3497         (TARGETCM_INITIALIZER): Add.
3498         * target.h (struct gcc_targetcm): Add.
3499         (targetcm): Add.
3500         * targhooks.c (default_handle_c_option): Add.
3501         * targhooks.h (default_handle_c_option): Add.
3502         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3503
3504         * config/darwin.opt (iframework): Add.
3505         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3506         * config/darwin-c.c (handle_c_option): Add.
3507         (TARGET_HANDLE_C_OPTION): Add.
3508         (targetcm): Add.
3509         * doc/invoke.texi (Darwin Options): Add -iframework.
3510
3511 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3512
3513         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3514         conversion.
3515
3516 2007-03-05  Ian Lance Taylor  <iant@google.com>
3517
3518         * c.opt (fgnu89-inline): New option.
3519         * c-opts.c (c_common_post_options): Set default value for
3520         flag_gnu89_inline.
3521         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3522         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3523         inline functions.
3524         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3525         (grokdeclarator, start_function): Likewise.
3526         * c-cppbuiltin.c (c_cpp_builtins): Define either
3527         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3528         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3529         (C Dialect Options): Document -fgnu89-inline.
3530         * doc/extend.texi (Function Attributes): Explain what the
3531         gnu_inline attribute does.
3532         * doc/cpp.texi (Common Predefined Macros): Document
3533         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3534
3535 2007-03-05  Ian Lance Taylor  <iant@google.com>
3536
3537         PR tree-optimization/31034
3538         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3539         half-range if the other side is an overflow infinity.
3540
3541 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3542
3543         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3544         (bfin*-linux-uclibc*): New configuration.
3545         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3546         defining.
3547         * config/bfin/linux.h: New file.
3548         * config/bfin/libgcc-bfin.ver: New file.
3549         * config/bfin/t-bfin-uclinux: New file.
3550         * config/bfin/t-bfin-linux: New file.
3551         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3552         (TARGET_OS_CPP_BUILTINS): New macro.
3553
3554 2007-03-05  Richard Guenther  <rguenther@suse.de>
3555
3556         * fold-const.c (fold_binary): Remove duplicate folding
3557         of comparison of non-null ADDR_EXPR against null.
3558
3559 2007-03-05  Richard Guenther  <rguenther@suse.de>
3560             Dorit Nuzman  <dorit@il.ibm.com>
3561
3562         PR tree-optimization/26420
3563         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3564         are no loops in the function.  Only print the number of
3565         vectorized loops if it is greater than zero or we are supposed
3566         to print information about unvectorized loops.
3567
3568 2007-03-05  Revital Eres  <eres@il.ibm.com>
3569
3570         * gcc.dg/var-expand1.c: New test.
3571         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3572         when an accumulator is expanded.
3573
3574 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3575
3576         PR other/30465
3577         * c-common.c (convert_and_check): Don't give warnings for
3578         conversion if 'expr' already overflowed.
3579
3580 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3581
3582         PR middle-end/30744
3583         * fold-const.c (fold_comparison): Enforce type consistency when
3584         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3585
3586 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3587
3588         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3589         containing a cast to the base of TARGET_MEM_REF.
3590
3591 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3592
3593         * tree.c (tree_contains_struct_check_failed): Remove spurious
3594         whitespace from error message.
3595
3596 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3597
3598         PR target/30406
3599         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3600         instead of precision.
3601
3602 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3603             Nathan Sidwell  <nathan@codesourcery.com>
3604
3605         * emit-rtl.c (find_auto_inc): New.
3606         (try_split): recreate REG_INC notes,
3607         Use regular for loops rather than whiles.
3608
3609 2007-03-03  Andreas Schwab  <schwab@suse.de>
3610
3611         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3612         * configure: Regenerate.
3613
3614 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3615
3616         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3617         flag_rounding_math, not flag_unsafe_math_optimizations.
3618
3619         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3620         fold_build2.
3621         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3622         alpha_fold_vector_minmax): Likewise.
3623         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3624         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3625
3626 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3627
3628         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3629         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3630         if the lhs has side-effects.
3631         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3632
3633 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3634
3635         * config/i386/i386.h (TUNEMASK): Remove define.
3636         (ARCHMASK): Remove define.
3637         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3638          Use ix86_arch_mask variable instead of ARCHMASK.
3639         * config/i386/i386.c (override_options): Ditto.
3640         (standard_80387_constant_p): Ditto.
3641
3642 2007-03-02  Ian Lance Taylor  <iant@google.com>
3643
3644         Used signed infinities in VRP.
3645         * tree-vrp.c (uses_overflow_infinity): New static function.
3646         (supports_overflow_infinity): New static function.
3647         (make_overflow_infinity): New static function.
3648         (negative_overflow_infinity): New static function.
3649         (positive_overflow_infinity): New static function.
3650         (is_negative_overflow_infinity): New static function.
3651         (is_positive_overflow_infinity): New static function.
3652         (is_overflow_infinity): New static function.
3653         (overflow_infinity_range_p): New static function.
3654         (compare_values_warnv): New function split out of compare_values.
3655         (compare_value): Call it.
3656         (set_value_range_to_nonnegative): Add overflow_infinity
3657         parameter.  Change caller.
3658         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3659         Change callers.
3660         (vrp_expr_computes_nonzero): Likewise.
3661         (compare_ranges, compare_range_with_value): Likewise.
3662         (compare_name_with_value, compare_names): Likewise.
3663         (vrp_evaluate_conditional): Likewise.
3664         (set_value_range): Handle infinity
3665         (vrp_operand_equal_p, operand_less_p): Likewise.
3666         (extract_range_from_assert): Likewise.
3667         (vrp_int_const_binop): Likewise.
3668         (extract_range_from_binary_expr): Likewise.
3669         (extract_range_from_unary_expr): Likewise.
3670         (extract_range_from_comparison): Likewise.
3671         (extract_range_from_expr): Likewise.
3672         (dump_value_range): Likewise.
3673         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3674         (test_for_singularity): Likewise.
3675         (vrp_int_const_binop): Remove inline qualifier.
3676         (adjust_range_with_scev): Add comment.
3677         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3678
3679 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3680
3681         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3682         (get_constraint_for): Likewise.
3683         (do_structure_copy): Likewise.
3684         (find_func_aliases): Fix references to MODIFY_EXPR.
3685         (intra_create_variable_infos): Tidy.
3686         * tree-ssa-operands.c (add_virtual_operand): Add argument
3687         IS_CALL_SITE.
3688         When adding members of alias sets, if IS_CALL_SITE is true and
3689         the symbol is not call-clobbered, skip it.
3690         Adjust all callers.
3691
3692 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3693
3694         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3695         entry by means of emit_insn_at_entry.
3696
3697 2007-03-02  Richard Henderson  <rth@redhat.com>
3698
3699         * expr.h (promoted_input_arg): Remove decl.
3700         * function.c (promoted_input_arg): Merge into ...
3701         * combine.c (setup_incoming_promotions): ... only caller.
3702         Rearrange to avoid double loop.
3703
3704 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3705             Peter Bergner  <bergner@vnet.ibm.com>
3706             Janis Johnson  <janis187@us.ibm.com>
3707
3708         * config/rs6000/dfp.md: New file.
3709         * config/rs6000/rs6000.md: Include dfp.md.
3710         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3711         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3712         and TDmode decimal float modes in FP registers.
3713         (num_insns_constant): Likewise.
3714         (rs6000_legitimate_offset_address_p): Likewise.
3715         (rs6000_legitimize_address): Likewise.
3716         (rs6000_legitimize_reload_address): Likewise.
3717         (rs6000_legitimate_address): Likewise.
3718         (rs6000_emit_move): Likewise.
3719         (function_arg_boundary): Likewise.
3720         (function_arg_advance): Likewise.
3721         (rs6000_darwin64_record_arg_recurse): Likewise.
3722         (function_arg): Likewise.
3723         (rs6000_gimplify_va_arg): Likewise.
3724         (rs6000_split_multireg_move): Likewise.
3725         (rs6000_output_function_epilogue): Likewise.
3726         (rs6000_output_function_epilogue): Likewise.
3727         (rs6000_register_move_cost): Likewise.
3728         (rs6000_function_value): Likewise.
3729         (rs6000_libcall_value): Likewise.
3730
3731 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3732
3733         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3734
3735 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3736
3737         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3738         Use $MULTIDIR to choose between the kernel and RTP headers,
3739         and use $WIND_BASE and $WIND_USR to locate them.
3740
3741 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3742
3743         * config/i386/i386.c (override_options): Put initialization of
3744         ix86_tune_mask and ix86_arch_mask to the correct place.
3745
3746 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3747             Michael Meissner  <michael.meissner@amd.com>
3748
3749         PR target/31019
3750         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3751         (ARCHMASK): Define.
3752         (TARGET_CMOVE): Use ARCHMASK.
3753         (TARGET_CMPXCHG): Ditto.
3754         (TARGET_CMPXCHG8B): Ditto.
3755         (TARGET_XADD): Ditto.
3756         (TARGET_BSWAP): Ditto.
3757         * config/i386/i386.c (ix86_tune_mask): New global variable.
3758         (ix86_arch_mask): Ditto.
3759         (override_options): Initialize ix86_tune_mask and
3760         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3761         target_flags.
3762
3763 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3764
3765         PR 30992
3766         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3767
3768 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3769
3770         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3771         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3772         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3773         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3774         hook.
3775         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3776         rs6000_init_dwarf_reg_sizes_extra): New.
3777         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3778         SPE register high parts.
3779
3780 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3781
3782         * Makefile.in: Add install-pdf target as
3783         copied from automake v1.10 rules.
3784         * configure.ac: Add install-pdf to target list.
3785         * configure: Regenerate.
3786
3787 2007-03-01  Paul Brook  <paul@codesourcery.com>
3788
3789         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3790         modes to LDRD for DImode.
3791         (output_move_double): Fixup out of range ldrd/strd.
3792         (vfp_secondary_reload_class): Rename...
3793         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3794         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3795         coproc_secondary_reload_class for CLASS_IWMMXT.
3796         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3797         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3798
3799 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3800
3801         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3802         factor by the estimated number of iterations.
3803         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3804         prefetch latency.
3805
3806         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3807         decode_caches_intel, detect_caches_intel): New functions.
3808         (host_detect_local_cpu): Use detect_caches_amd and
3809         detect_caches_intel.
3810
3811 2007-03-01  Richard Henderson  <rth@redhat.com>
3812
3813         * expr.c (emit_move_complex_push): Export.
3814         (emit_move_complex_parts): Split out from ...
3815         (emit_move_complex): ... here.
3816         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3817         * config/i386/i386.md (movcdi): New.
3818
3819 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3820
3821         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3822         size of mode1 to check for tieable modes in MMX case.
3823
3824 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3825
3826         * Makefile.in (rtlanal.o): Depend on tree.h.
3827         * rtl.h (offset_within_section_p, split_const): Declare.
3828         * rtlanal.c: Include tree.h.
3829         (offset_within_block_p): New function, taken from
3830         mips_offset_within_object_p.
3831         (split_const): New function, taken from mips_split_const.
3832         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3833         Declare.
3834         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3835         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3836         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3837         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3838         (m68k_illegitimate_symbolic_constant_p): New function.
3839         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3840         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3841         symbolic constant that might be outside the symbol's section,
3842         move the symbol first and then add the offset.
3843         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3844         Override.
3845         * config/mips/mips.c (mips_split_const): Delete.
3846         (mips_offset_within_object_p): Delete.
3847         (mips_symbolic_constant_p): Use offset_within_section_p and
3848         split_const instead of mips_offset_within_object_p and
3849         mips_split_const.
3850         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3851         (mips_legitimize_const_move, print_operand_reloc)
3852         (mips_dangerous_for_la25_p): Use split_const instead of
3853         mips_split_const.
3854
3855 2007-02-28  Eric Christopher  <echristo@apple.com>
3856
3857         * Makefile.in (install-include-dir): Don't rm -rf include.
3858
3859 2007-02-28  Richard Guenther  <rguenther@suse.de>
3860
3861         PR middle-end/30364
3862         * fold-const.c (fold_binary): Do not associate expressions
3863         with more than one variable for integer types that do not wrap.
3864
3865 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3866
3867         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3868         Delete, and replace with...
3869         (fold_builtin_call_array): This.  Update callers to use it.
3870         * fold-const.c (fold_build_call_list): Delete, and replace with...
3871         (fold_build_call_array): This.
3872         (fold_build_call_list_initializer): Delete, and replace with...
3873         (fold_build_call_array_initializer): This.
3874         * tree.h: Update declarations to reflect above changes.
3875
3876         * c-typeck.c (build_function_call): Store converted arguments
3877         in a stack-allocated array instead of building a list.
3878         (convert_arguments): Store arguments in the array passed in as an
3879         argument, and return the actual number of arguments.
3880         * c-format.c: (check_function_format): Pass arguments in an
3881         array instead of a list.
3882         * c-common.c (check_function_nonnull): Likewise.
3883         (check_function_sentinel): Likewise.
3884         (check_function_arguments): Likewise.
3885         * c-common.h: Update declarations to reflect above changes.
3886
3887 2007-02-28  Jan Hubicka  <jh@suse.cz>
3888
3889         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3890         PRED_NEGATIVE_RETURN): Update outcomes.
3891
3892 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3893
3894         * calls.c (emit_library_call_value_1): Handle partial registers
3895         correctly when building up CALL_INSN_FUNCTION_USAGE.
3896
3897 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3898
3899         * pa/predicates.md (move_src_operand): Allow zero for mode.
3900         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3901         move pattern.
3902
3903 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3904
3905         PR target/30970
3906         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3907         *movv2df_internal): Enable pattern only for valid operand
3908         combinations.
3909         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3910         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3911
3912 2007-02-27  Mike Stump  <mrs@apple.com>
3913
3914         * config/darwin-crt3.c: Avoid compilation when compiling for a
3915         kext multilib.
3916
3917 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3918
3919         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3920         FIXED_INCLUDE_DIR.
3921         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3922         for fixed headers and limits.h.
3923         (install-include-dir, install-headers-tar, install-headers-cpio,
3924         install-headers-cp, real-install-headers-tar,
3925         real-install-headers-cpio, real-install-headers-cp): Handle
3926         include-fixed as well as include.
3927         (install-mkheaders): Don't install files that go only in include
3928         not include-fixed.
3929         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
3930         from GCC_INCLUDE_DIR.
3931         * gcc.c (process_command): Remove special -BstageN/ handling.
3932         (do_spec_1): Add include-fixed directories.
3933
3934 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3935
3936         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
3937         _smulsi3_highpart.
3938         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
3939         New functions.
3940         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
3941         patterns.
3942
3943 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
3944
3945         * c-common.c (get_priority): Add check for
3946         SUPPORTS_INIT_PRIORITY.
3947
3948 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3949
3950         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
3951
3952         * config/bfin/bfin.c: Include "cfglayout.h".
3953         (MAX_LSETUP_DISTANCE): New macro.
3954         (struct loop_info): New members incoming, incoming_src and
3955         incoming_dest.  Delete member predecessor.
3956         (length_for_loop): New function.
3957         (bfin_optimize_loop): Handle more different loop structures.
3958         (bfin_discover_loop): Rework detection of predecessor blocks by
3959         examining incoming edges.
3960         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
3961         bfin_reorg_loops.
3962         (bfin_reorder_loops): New function.
3963         (bfin_reorg_loops): Use these three new functions.
3964
3965         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
3966         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
3967         (CONSTRAINT_LEN): Add entry for 'q'.
3968         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
3969         Add 'q' constraints.
3970         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
3971         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
3972
3973         * config/bfin/bfin.md (add_with_carry): New pattern.
3974         (s_or_u, su_optab, su_modifier): New code macros/attrs.
3975         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
3976         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
3977         support unsigned multiplies too.  Removed incorrect commutativity from
3978         operand 1 constraint where appropriate.
3979         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
3980         patterns.
3981         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
3982         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
3983         New patterns.
3984         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
3985         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
3986         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
3987         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
3988         usmulhisi_hh_huh): New patterns.
3989
3990         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
3991         lshifthi3): Fix output template to use half reg for operand 2.
3992
3993         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
3994         instead of R2.
3995
3996         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
3997
3998 2007-02-27  Andreas Schwab  <schwab@suse.de>
3999
4000         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4001
4002 2007-02-27  Jan Hubicka  <jh@suse.cz>
4003
4004         * predict.c (last_basic_block_p): Remove.
4005         (tree_estimate_probability): Update return heuristic for commonized
4006         return blocks.
4007
4008 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4009
4010         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4011
4012 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4013
4014         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4015         * doc/cpp.texi: Standardize title page.
4016         * doc/cppinternals.texi: Likewise.
4017         * doc/gcc.texi: Standardize title page, remove version number
4018         from copyright page.
4019         * doc/gccint.texi: Likewise.
4020         * doc/install.texi: Standardize title page, add table of
4021         contents.
4022
4023 2007-02-26  Jan Hubicka  <jh@suse.cz>
4024
4025         * predict.def: Set outcomes according to more recent results.
4026         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4027         Remove dead predictors.
4028         * predict.c (return_prediction): Fix pasto.
4029
4030 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4031
4032         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4033         change; avoid a memory leak when returning early.
4034
4035 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4036
4037         * c-decl.c (static_ctors): Move to c-common.c.
4038         (static_dtors): Likewise.
4039         (finish_function): Use c_record_cdtor_fn.
4040         (build_cdtor): Move to c-common.c.
4041         (c_write_global_declarations): Use c_build_cdtor_fns.
4042         * c-common.h (static_ctors): Declare.
4043         (static_dtors): Likewise.
4044         (c_record_cdtor_fn): Likewise.
4045         (c_build_cdtor_fns): Likewise.
4046         * c-common.c (static_ctors): New variable.
4047         (static_dtors): Likewise.
4048         (c_record_cdtor_fn): New function.
4049         (build_cdtor): Move from c-decl.c
4050         (c_build_cdtor_fns): New function.
4051
4052         * output.h (assemble_addr_to_section): Declare.
4053         (get_cdtor_priority_section): Likewise.
4054         * varasm.c (assemble_addr_to_section): New function.
4055         (get_cdtor_priority_section): Likewise.
4056         (default_named_section_asm_out_destructor): Use them.
4057         (destor_dtor_section_asm_out_destructor): Likewise.
4058         (default_named_section_asm_out_constructor): Likewise.
4059         (default_ctor_section_asm_out_constructor): Likewise.
4060         * config.gcc (*-*-vxworks*): Include vxworks.o.
4061         * config/t-vxworks (vxworks.o): New target.
4062         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4063         (TARGET_ASM_CONSTRUCTOR): Define.
4064         (TARGET_ASM_DESTRUCTOR): Likewise.
4065         (vxworks_asm_out_constructor): Declare.
4066         (vxworks_asm_out_destructor): Likewise.
4067
4068         * c-common.c (get_priority): Check that we have not just an
4069         INTEGER_CST, but an integer constant with integeral type.
4070
4071 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4072
4073         PR tree-optimization/30938
4074         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4075         use &dt[nargs-1] instead of &dt[nargs] in the call to
4076         vect_is_simple_use().
4077
4078 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4079
4080         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4081         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4082         Do not attempt to handle MEM inside auto-inc expressions.
4083         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4084         of a register modified by an auto-inc expression.  However, do handle
4085         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4086         (elimination_effects): Prohibit elimination of a register modified
4087         by an auto-inc expression.  Disable register elimination rules whose
4088         target register is modified by an auto-inc expression with variable
4089         increment.
4090
4091 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4092
4093         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4094         off-by-one error.
4095         (array_at_struct_end_p): New function.
4096         (idx_infer_loop_bounds): Use it.
4097         (estimate_numbers_of_iterations_loop): Export.
4098         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4099         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4100         (tree_estimate_probability): Call record_loop_exits.
4101         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4102         (estimated_loop_iterations, estimated_loop_iterations_int,
4103         estimated_loop_iterations_tree): New functions.
4104         (analyze_siv_subscript_cst_affine,
4105         compute_overlap_steps_for_affine_1_2,
4106         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4107         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4108         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4109         (PRED_LOOP_ITERATIONS_GUESSED): New.
4110         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4111         * cfgloop.h (estimate_numbers_of_iterations_loop,
4112         estimated_loop_iterations_int): Declare.
4113
4114 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4115
4116         * doc/extend.texi: Document optional priority argument to
4117         constructors and destructors.
4118         * tree.c (init_priority_for_decl): Adjust GTY markers.
4119         (init_ttree): Use priority-info hash functions for
4120         init_priority_for_decl.
4121         (tree_map_eq): Rename to ...
4122         (tree_map_base_eq): ... this.
4123         (tree_map_marked_p): Rename to ...
4124         (tree_map_base_marked_p): ... this.
4125         (tree_map_base_hash): New function.
4126         (decl_init_priority_lookup): Rework.
4127         (decl_fini_priority_lookup): New function.
4128         (decl_priority_info): New function.
4129         (decl_init_priority_insert): Use it.
4130         (decl_fini_priority_insert): Likewise.
4131         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4132         hierarchy.
4133         (decl_restrict_base_insert): Likewise.
4134         (decl_debug_expr_insert): Likewise.
4135         (decl_value_expr_lookup): Likewise.
4136         (decl_value_expr_insert): Likewise.
4137         * tree.h (priority_type): New type.
4138         (decl_init_priority_lookup): Use priority_type.
4139         (decl_fini_priority_lookup): New function.
4140         (decl_init_priority_insert): Use priority_type.
4141         (decl_fini_priority_insert): New function.
4142         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4143         (DECL_INIT_PRIORITY): Likewise.
4144         (SET_DECL_INIT_PRIORITY): Add comment.
4145         (DECL_FINI_PRIORITY): New macro.
4146         (SET_DECL_FINI_PRIORITY): Likewise.
4147         (DEFAULT_INIT_PRIORITY): Document.
4148         (MAX_INIT_PRIORITY): Likewise.
4149         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4150         (tree_map_base): New type.
4151         (tree_map_base_eq): New function.
4152         (tree_map_base_hash): Likewise.
4153         (tree_map_base_marked_p): Likewise.
4154         (tree_map): Inherit from tree_map_base.
4155         (tree_map_eq): Make it a macro.
4156         (tree_map_marked_p): Likewise.
4157         (tree_int_map): Inherit from tree_map_base.
4158         (tree_int_map_eq): Make it a macro.
4159         (tree_int_map_hash): Likewise.
4160         (tree_int_map_marked_p): Likewise.
4161         (tree_priority_map): New type.
4162         (tree_priority_map_eq): New macro.
4163         (tree_priority_map_hash): Likewise.
4164         (tree_priority_map_marked_p): Likewise.
4165         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4166         hierarchy.
4167         (emutls_common_1): Likewise.
4168         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4169         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4170         of tree_map hierarchy.
4171         * tree-cfg.c (move_stmt_r): Likewise.
4172         (new_label_mapper): Likewise.
4173         * c-tree.h (c_expand_body): Move to ...
4174         * c-common.h (c_expand_body): ... here.
4175         * c-decl.c (c_expand_body): Move to ...
4176         * c-common.c (c_expand_body): ... here.
4177         (c_common_attribute_table): Allow 1 argument for the constructor
4178         and destructor attributes.
4179         (get_priority): New function.
4180         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4181         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4182
4183 2007-02-24  Jan Hubicka  <jh@suse.cz>
4184
4185         PR middle-end/30509
4186         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4187
4188 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4189             Jan Hubicka  <jh@suse.cz>
4190
4191         PR target/30778
4192         * i386.c (counter_mode): New function.
4193         (expand_set_or_movmem_via_loop): Use it.
4194         (expand_movmem_epilogue): Likewise; fix pasto.
4195         (ix86_expand_movmem): Do emit guard even for constant counts.
4196         (ix86_expand_setmem): Likewise.
4197
4198 2007-02-25  Nick Clifton  <nickc@redhat.com>
4199
4200         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4201         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4202
4203 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4204
4205         PR target/30770
4206         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4207         count argument with 0x10, not with 0x16.
4208         (expand_setmem_epilogue): Ditto.
4209
4210 2007-02-24  Mike Stump  <mrs@apple.com>
4211
4212         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4213         symbols.
4214
4215 2007-02-24  Richard Guenther  <rguenther@suse.de>
4216
4217         PR middle-end/30951
4218         * fold-const.c (fold_binary): Fold x +- CST op x for
4219         EQ_EXPR and NE_EXPR.
4220
4221 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4222
4223         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4224
4225 2007-02-24  Jan Hubicka  <jh@suse.cz>
4226
4227         * cgraphunit.c (decide_is_function_needed): Honor
4228         -fkeep-inline-functions.
4229
4230 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4231
4232         * builtins.c (fold_builtin_modf): New.
4233         (fold_builtin_2): Use it.
4234
4235 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4236
4237         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4238         (determine_max_iter): Take additional LOOP arg; all callers changed.
4239         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4240         one using simplifications.
4241         (simplify_using_initial_values): Return if the expression becomes
4242         invalid due to altered regs.
4243
4244 2007-02-23  DJ Delorie  <dj@redhat.com>
4245
4246         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4247
4248 2007-02-23  Mike Stump  <mrs@apple.com>
4249
4250         * tlink.c (scan_linker_output): Parse linker messages from
4251         darwin9's linker better.
4252
4253 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4254
4255         PR debug/29614
4256         * varpool.c (varpool_assemble_pending_decls):  Set
4257         varpool_last_needed_node to null.
4258
4259 2007-02-23  DJ Delorie  <dj@redhat.com>
4260
4261         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4262         alignment bigger than the object file can handle.
4263
4264 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4265
4266         PR target/30825
4267         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4268         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4269         (*movsf_1): Penalize MMX moves.
4270
4271 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4272
4273         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4274         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4275
4276         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4277
4278 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4279
4280         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4281         (fold_builtin_1): Use them.
4282         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4283         BUILT_IN_SIGNIFICAND.
4284
4285 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4286
4287         * config/i386/i386.c (bdesc_1arg): Initialize
4288         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4289         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4290         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4291         and IX86_BUILTIN_MOVSLDUP.
4292
4293 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4294
4295         PR rtl-optimization/30841
4296         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4297
4298 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4299
4300         * builtins.c (fold_builtin_frexp): New.
4301         (fold_builtin_2): Use it.
4302
4303 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4304
4305         * doc/invoke.texi (Spec Files): Document getenv spec function.
4306
4307         * gcc.c (getenv_spec_function): New function.
4308         (static_spec_functions): Add it.
4309         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4310         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4311         header files.
4312
4313 2007-02-22  Michael Matz  <matz@suse.de
4314
4315         PR c++/29433
4316         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4317         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4318
4319 2007-02-22  Ian Lance Taylor  <iant@google.com>
4320
4321         PR debug/30898
4322         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4323         (mem_loc_descriptor): Call it.
4324
4325 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4326             Ira Rosen  <irar@il.ibm.com>
4327
4328         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4329
4330 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4331
4332         PR tree-optimization/30843
4333         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4334         stores only after all the group is vectorized.
4335
4336 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4337
4338         PR tree-optimization/30858
4339         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4340         in the reduction cycle have a single use in the loop.
4341         * tree-vectorizer.h (relevant): Add documentation.
4342
4343 2007-02-20  Mike Stump  <mrs@apple.com>
4344
4345         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4346         * configure: Regenerate.
4347
4348 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4349
4350         Change the defaults of some parameters and options.
4351         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4352         * config/spu/spu.c (spu_optimization_options): Add.
4353         (spu_override_options): Change params in spu_optimization_options.
4354         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4355
4356         Register 127 is only 16 byte aligned when used as a frame pointer.
4357         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4358         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4359         HARD_FRAME_POINTER_REGNUM.
4360         (spu_legitimate_address):  Use regno_aligned_for_reload.
4361         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4362         aligned when frame_pointer_needed is true.
4363         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4364         to 8 bits.
4365         * config/spu/spu.h (INIT_EXPANDERS): Define.
4366
4367         Make sure shift and rotate instructions have valid immediate operands.
4368         * config/spu/predicates.md (spu_shift_operand): Remove.
4369         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4370         * config/spu/constraints.md (W, O): Extend range.
4371         * config/spu/spu.md (umask, nmask): Define.
4372         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4373         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4374         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4375         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4376         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4377         (lshr<mode>3_reg):  Fix rtl description.
4378
4379         Make sure mulhisi immediate operands are valid.
4380         * config/spu/predicates.md (imm_K_operand): Add.
4381         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4382
4383         Generate constants using fsmbi and andi.
4384         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4385         (print_operand, spu_split_immediate, classify_immediate,
4386         fsmbi_const_p): Handle IC_FSMBI2.
4387
4388         Correctly handle a CONST_VECTOR containing symbols.
4389         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4390         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4391         (immediate_load_p): Allow symbols that use 2 instructions to create.
4392         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4393         with symbols when flag_pic is set.
4394         (const_vector_immediate_p): New.
4395         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4396         accept a CONST_VECTOR with symbols.
4397         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4398         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4399         correctly.
4400         * config/spu/spu.md (high, low): Delete.
4401         (low_<mode>): Define.
4402
4403         Remove INTRmode and INTR_REGNUM, which didn't work.
4404         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4405         of INTR_REGNUM.
4406         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4407         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4408         peephole2 pattern): Don't use INTR or 131.
4409         (movintrcc): Delete.
4410         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4411         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4412         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4413         (UNSPEC_SET_INTR): Add.
4414         * config/spu/spu-modes.def (INTR): Remove.
4415
4416         More accurate warnings about run-time relocations.
4417         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4418
4419         Correctly warn about immediate arguments to specific intrinsics.
4420         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4421         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4422         the instruction predicate.
4423
4424         Fix tree check errors with latest update.
4425         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4426         CALL_EXPR_ARG.
4427         (spu_expand_builtin): Use CALL_EXPR_FN.
4428
4429         Add missing specific intrinsics.
4430         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4431         si_bislede.
4432         * config/spu/spu_internals.h: Ditto.
4433
4434         Fix incorrect operand modifiers.
4435         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4436         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4437
4438         Optimize one case of zero_extend of a vec_select.
4439         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4440
4441         Accept any immediate for hbr.
4442         * config/spu/spu.md (hbr):  Change s constraints to i.
4443
4444 2007-02-21  Paul Brook  <paul@codesourcery.com>
4445
4446         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4447         condexec_count when skipping USE and CLOBBER.
4448
4449 2007-02-21  Nick Clifton  <nickc@redhat.com>
4450
4451         * common.opt (Warray-bounds): Add Warning attribute.
4452         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4453         Likewise.
4454         (fsized-zeroes): Add Optimization attribute.
4455         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4456         * c.opt (Wc++0x-compat): Add Warning attribute.
4457
4458 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4459
4460         PR middle-end/30761
4461         * reload1.c (eliminate_regs_in_insn): In the single_set special
4462         case, attempt to re-recognize the insn before falling back to
4463         having reload fix it up.
4464
4465 2007-02-20  Eric Christopher  <echristo@gmail.com>
4466
4467         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4468         Rewrite accordingly.
4469         (frv_read_iacc_argument): Ditto.
4470         (frv_expand_set_builtin): Take a call instead of arglist, update for
4471         above changes.
4472         (frv_expand_unop_builtin): Ditto.
4473         (frv_expand_binop_builtin): Ditto.
4474         (frv_expand_cut_builtin): Ditto.
4475         (frv_expand_binopimm_builtin): Ditto.
4476         (frv_expand_voidbinop_builtin): Ditto.
4477         (frv_expand_int_void2arg): Ditto.
4478         (frv_expand_prefetches): Ditto.
4479         (frv_expand_voidtriop_builtin): Ditto.
4480         (frv_expand_voidaccop_builtin): Ditto.
4481         (frv_expand_load_builtin): Ditto.
4482         (frv_expand_store_builtin): Ditto.
4483         (frv_expand_mdpackh_builtin): Ditto.
4484         (frv_expand_mclracc_builtin): Ditto.
4485         (frv_expand_mrdacc_builtin): Ditto.
4486         (frv_expand_mwtacc_builtin): Ditto.
4487         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4488         calls for above.
4489
4490 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4491
4492         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4493         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4494         cmpb instruction.
4495         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4496         point instructions.
4497         * configure: Regenerate.
4498         * config.in: Regenerate.
4499         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4500         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4501         masks to power6 and power6x and to POWERPC_MASKS.
4502         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4503         _ARCH_PWR6.
4504         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4505         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4506         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4507         Access PROTOTYPE as variable, not mask.
4508
4509 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4510
4511         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4512         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4513         * combine.c (adjust_for_new_dest): Use it.
4514         * postreload.c (reload_combine): Likewise.
4515
4516 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4517
4518         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4519         notes on an insn with multiple sets, even if single_set returns
4520         non-NULL for that insn.
4521
4522 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4523
4524         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4525         scalbn and scalbln.
4526
4527 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4528
4529         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4530         if user didn't pass it.
4531         * config/i386/darwin.h (CC1_SPEC): Likewise.
4532         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4533         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4534         -mmacosx-version-min.
4535
4536 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4537             Uros Bizjak  <ubizjak@gmail.com>
4538
4539         * optabs.h (enum optab_index): Add new OTI_scalb.
4540         (scalb_optab): Define corresponding macro.
4541         * optabs.c (init_optabs): Initialize scalb_optab.
4542         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4543         patterns.
4544         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4545         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4546         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4547         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4548         flag_unsafe_math_optimizations is set.
4549
4550         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4551         to implement scalbf, scalb and scalbl built-ins as inline x87
4552         intrinsics.
4553
4554 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4555             DJ Delorie <dj@redhat.com>
4556
4557         PR other/30824
4558         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4559         (diagnostic_report_diagnostic): ... here, and turn them into real
4560         errors. If warnings are inhibited, no need to do anything.
4561
4562 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4563
4564         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4565         better code generation.
4566
4567 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4568
4569         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4570
4571 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4572
4573         * config/alpha/alpha.c, config/alpha/alpha.md,
4574         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4575         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4576         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4577         config/arm/lib1funcs.asm: Follow spelling conventions.
4578
4579         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4580         config/fr30/fr30.md, config/i386/i386.h,
4581         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4582         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4583         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4584         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4585         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4586         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4587         config/sparc/sparc.c, config/sparc/sparc.h,
4588         config/sparc/sparc.md, config/spu/constraints.md,
4589         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4590         conventions.
4591
4592 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4593
4594         PR target/29943
4595         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4596         alias attribute.
4597
4598 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4599
4600         * doc/invoke.texi (-ftree-lrs): Remove.
4601
4602 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4603
4604         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4605         NULL.
4606
4607 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4608
4609         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4610         new CALL_EXPR_FN macro for retrieving the function
4611         declaration of the input expression.
4612
4613 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4614
4615         * c.opt (Waddress): New.
4616         * common.opt (Walways-true): Delete.
4617         (Wstring-literal-comparison): Delete.
4618         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4619         -Wstring-literal-comparison. Add -Waddress.
4620         (Waddress): New.
4621         (Walways-true): Delete.
4622         (Wstring-literal-comparison): Delete.
4623         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4624         consistently instead of -Walways-true in example.
4625         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4626         * c-typeck.c (parser_build_binary_op): Replace
4627         -Wstring-literal-comparison and -Walways-true with -Waddress.
4628         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4629         with -Waddress.
4630
4631 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4632
4633         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4634         without DECL_STRUCT_FUNCTION initialized.
4635
4636 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4637
4638         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4639         due to calls to functions taking pointers as parameters.
4640
4641 2007-02-19  Richard Henderson  <rth@redhat.com>
4642
4643         PR debug/29558
4644         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4645         in memory.
4646
4647 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4648
4649         * config/s390/s390.c (s390_call_saved_register_used,
4650         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4651         accessed to the new scheme.
4652
4653 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4654
4655         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4656         (cris_print_index, cris_print_operand, cris_print_operand_address)
4657         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4658         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4659         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4660         GET_CODE () == xxx.
4661         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4662         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4663         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4664         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4665         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4666         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4667         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4668         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4669         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4670         (uminsi3, call, call_value): Ditto.
4671         (define_split: indir_to_reg_split, unnamed): Ditto.
4672
4673 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4674
4675         PR tree-optimization/30975
4676         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4677         wrong assert.
4678
4679 2007-02-18  Eric Christopher  <echristo@gmail.com>
4680
4681         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4682         Remove use of arglist.
4683         (mips_expand_builtin): Remove use of arglist, pass in expr.
4684         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4685         (mips_expand_builtin_movtf): Ditto.
4686         (mips_expand_builtin_compare): Ditto.
4687
4688 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4689
4690         * tree-sra.c (sra_build_assignment): Replace assertion
4691         checking with a comment explaining why it can't be done.
4692
4693 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4694
4695         PR middle-end/30833
4696         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4697         during CALL_EXPR representation conversion.
4698         * tree-ssa-propagate.c (set_rhs): Likewise.
4699
4700 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4701
4702         * tree-sra.c (sra_build_assignment): Disable assertion checking
4703         for now.
4704
4705 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4706
4707         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4708         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4709         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4710         Likewise.
4711         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4712         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4713         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4714         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4715         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4716         force_gimple_operand): Likewise.
4717         * ipa-cp.c (constant_val_insert): Likewise.
4718         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4719         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4720         perfect_nestify): Likewise.
4721         * langhooks.c (lhd_omp_assignment): Likewise.
4722         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4723         lower_copyprivate_clauses, lower_send_clauses,
4724         lower_send_shared_vars, expand_parallel_call,
4725         expand_omp_for_generic, expand_omp_for_static_nochunk,
4726         expand_omp_for_static_chunk, expand_omp_sections,
4727         lower_omp_single_copy, lower_omp_for_lastprivate,
4728         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4729         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4730         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4731         Likewise.
4732
4733 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4734
4735         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4736         config/sh/sh.md: Follow spelling conventions.
4737
4738         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4739         config/frv/predicates.md: Follow spelling conventions.
4740
4741         * config/m68k/linux-unwind.h: Fix a comment typo.
4742         * target.h: Follow spelling conventions.
4743
4744 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4745
4746         PR rtl-optimization/28173
4747         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4748         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4749         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4750         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4751         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4752
4753 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4754
4755         * builtins.c (fold_builtin_load_exponent): New.
4756         (fold_builtin_2): Use it.
4757
4758 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4759
4760         PR rtl-optimization/30773
4761         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4762         if we fail to attach a REG_EQUIV note.
4763
4764 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4765             Roger Sayle  <roger@eyesopen.com>
4766
4767         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4768
4769 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4770
4771         * calls.c (initialize_argument_information): Pass original EXP
4772         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4773         code to split complex arguments here, as part of initializing the
4774         ARGS array.
4775         (expand_call): Remove code that builds a list of arguments and
4776         inserts implicit arguments into it.  Instead, just count how many
4777         implicit arguments there will be so we can determine the size of
4778         the ARGS array, and let initialize_argument_information do the work.
4779         (split_complex_values): Delete unused function.
4780
4781 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4782
4783         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4784
4785 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4786
4787         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4788         for arg pointer based indexed addressing.
4789
4790 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4791
4792         * config/ia64/ia64.h, config/ia64/ia64.md,
4793         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4794         spelling conventions.
4795
4796 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4797
4798         * config/m68k/m68k.c (split_di): New.
4799         * config/m68k/m68k-protos.h: Declare split_di.
4800         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4801           Improve predicate handling and split constant shifts.
4802
4803 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4804
4805         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4806         parameter for register bitfield operations, general predicates
4807         cleanup
4808
4809 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4810
4811         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4812         * config/m68k/linux-unwind.h: New file.
4813
4814 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4815
4816         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4817         config/i386/athlon.md, config/ia64/ia64.md,
4818         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4819         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4820         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4821         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4822         tree-vect-transform.c: Fix comment typos.
4823
4824 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4825
4826         * sched-deps.c (find_insn_list): Remove.
4827         * sched-int.h: Remove the prototype for find_insn_list.
4828
4829 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4830
4831         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4832         to linker.
4833         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4834         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4835         darwin_rs6000_override_options.
4836         (C_COMMON_OVERRIDE_OPTIONS): Expect
4837         darwin_macosx_version_min to be non-NULL always.
4838         (TARGET_C99_FUNCTIONS): Likewise.
4839         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4840         (DARWIN_MINVERSION_SPEC): New.
4841         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4842         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4843         to cc1*.
4844         (DARWIN_MINVERSION_SPEC): New.
4845         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4846         value.
4847         * config/darwin-c.c (darwin_cpp_builtins): Expect
4848         darwin_macosx_version_min to be non-NULL always.
4849
4850         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4851
4852 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4853
4854         * config/i386/i386.h (x86_use_xchgb): New.
4855         (TARGET_USE_XCHGB): New macro.
4856         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4857         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4858         Split after reload into bswaphi for shifts of 8.
4859         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4860         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4861         or when optimizing for size.
4862
4863 2007-02-16  Richard Guenther  <rguenther@suse.de>
4864             Christian Bruel  <christian.bruel@st.com>
4865
4866         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4867         DECLs but prefer SSA_NAMEs over DECLs.
4868
4869 2007-02-16  Richard Guenther  <rguenther@suse.de>
4870
4871         * tree-flow-inline.h (single_imm_use_p): Remove.
4872         (zero_imm_uses_p): Likewise.
4873         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4874         instead of single_imm_use_p.
4875         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4876         zero_imm_uses_p.
4877
4878 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4879
4880         PR other/27843
4881         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4882         nested double- and backquotes.
4883
4884 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4885
4886         PR middle-end/30391
4887         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4888         should be unreachable.
4889         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4890         For the time being redirect GIMPLE_MODIFY_STMT to the new
4891         (renamed) build_gimple_modify_stmt_stat.
4892         (build2_gimple_stat): Rename to...
4893         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4894         Always build a GIMPLE_MODIFY_STMT node.
4895         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4896         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4897         declarations.
4898
4899         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4900         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4901         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4902         expand_complex_div_wide): Likewise.
4903         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4904         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4905         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4906         * tree-ssa-loop-manip.c (create_iv): Likewise.
4907         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4908         abs_replacement): Likewise.
4909         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4910         realify_fake_stores): Likewise.
4911
4912         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4913         node rather than a GIMPLE_MODIFY_STMT node.
4914         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4915         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4916         Likewise.
4917         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4918         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4919         GIMPLE_MODIFY_STMT.
4920
4921 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4922
4923         PR middle-end/30433
4924         * fold-const.c (fold_comparison): Add back the
4925         folding of constant complex comparisions.
4926
4927 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4928
4929         PR middle-end/30729
4930         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
4931         effects unknown to this function, return early.
4932
4933 2007-02-15  Ian Lance Taylor  <iant@google.com>
4934
4935         * lower-subreg.c (move_eh_region_note): New static function.
4936         (resolve_simple_move): Call it.
4937         (decompose_multiword_subregs): Track blocks for which we resolve a
4938         simple move which is also a control flow insn.  Pass them to
4939         find_many_sub_basic_blocks.
4940         (pass_lower_subreg): Add TODO_verify_flow.
4941         (pass_lower_subreg2): Likewise.
4942
4943 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
4944             Brooks Moses  <brooks.moses@codesourcery.com>
4945             Lee Millward  <lee.millward@codesourcery.com>
4946
4947         * tree.h (enum tree_code_class): Add tcc_vl_exp.
4948         (VL_EXP_CLASS_P): New.
4949         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
4950         TREE_CODE_LENGTH.
4951         (TREE_OPERAND_CHECK_CODE): Likewise.
4952         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
4953         (TREE_RTL_OPERAND_CHECK): Likewise.
4954         (tree_operand_check_failed): Make second parameter the whole tree
4955         instead of its code.  Fixed callers.
4956         (VL_EXP_CHECK): New.
4957         (TREE_OPERAND_LENGTH): New.
4958         (VL_EXP_OPERAND_LENGTH): New.
4959         (CALL_EXPR_FN): New.
4960         (CALL_EXPR_STATIC_CHAIN): New.
4961         (CALL_EXPR_ARGS): New.
4962         (CALL_EXPR_ARG): New.
4963         (call_expr_nargs): New.
4964         (CALL_EXPR_ARGP): New.
4965         (build_nt_call_list): Declare.
4966         (build_vl_exp_stat): Declare.
4967         (build_vl_exp): New.
4968         (build_call_list): Declare.
4969         (build_call_nary): Declare.
4970         (build_call_valist): Declare.
4971         (build_call_array): Declare.
4972         (call_expr_arg): Declare.
4973         (call_expr_argp): Declare.
4974         (call_expr_arglist): Declare.
4975         (fold_build_call_list): Declare.
4976         (fold_build_call_list_initializer): Declare.
4977         (fold_call_expr): Declare to replace fold_builtin.
4978         (fold_builtin_fputs): Update to agree with modified definition.
4979         (fold_builtin_strcpy): Likewise.
4980         (fold_builtin_strncpy): Likewise.
4981         (fold_builtin_memory_chk): Likewise.
4982         (fold_builtin_stxcpy_chk): Likewise.
4983         (fold_builtin_strncpy_chk): Likewise.
4984         (fold_builtin_next_arg): Likewise.
4985         (fold_build_call_expr): Declare.
4986         (fold_builtin_call_list): Declare.
4987         (fold_builtin_call_valist): Declare.
4988         (build_call_expr): Declare.
4989         (validate_arglist): Update to agree with modified definition.
4990         (tree_operand_length): New.
4991         (call_expr_arg_iterator): New.
4992         (init_call_expr_arg_iterator): New.
4993         (next_call_expr_arg): New.
4994         (first_call_expr_arg): New.
4995         (more_call_expr_args_p): New.
4996         (FOR_EACH_CALL_EXPR_ARG): New.
4997
4998         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
4999         and tcc_gimple_stmt.
5000         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5001         than sizeof (char *).
5002         (tree_size): Likewise.  Add case for tcc_vl_exp.
5003         (tree_node_structure): Add case for tcc_vl_exp.
5004         (contains_placeholder_p): Likewise.
5005         (substitute_in_expr): Likewise.
5006         (substitute_placeholder_in_expr): Likewise.
5007         (stabilize_reference_1): Likewise.
5008         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5009         to diagnose breakage of this interface for constructing CALL_EXPRs.
5010         (build_nt): Add similar assertion here.
5011         (build_nt_call_list): New.
5012         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5013         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5014         TREE_CODE_LENGTH.
5015         (get_callee_fndecl): Use new CALL_EXPR accessors.
5016         (tree_operand_check_failed): Change parameters to pass entire node
5017         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5018         (process_call_operands): New.
5019         (build_vl_exp_stat): New.
5020         (build_call_list): New.
5021         (build_call_nary): New.
5022         (build_call_valist): New.
5023         (build_call_array): New.
5024         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5025         (call_expr_arglist): New.
5026
5027         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5028         tcc_vl_exp instead of a fixed-size tcc_expression.
5029
5030         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5031         accessors for CALL_EXPRs.
5032         (AGGR_INIT_EXPR): Likewise.
5033
5034 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5035             Brooks Moses  <brooks.moses@codesourcery.com>
5036             Lee Millward  <lee.millward@codesourcery.com>
5037
5038         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5039         (expand_builtin_nonlocal_goto): Change parameter to be entire
5040         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5041         (expand_builtin_prefetch): Likewise.
5042         (expand_builtin_classify_type): Likewise.
5043         (mathfn_built_in): Return NULL_TREE instead of 0.
5044         (expand_errno_check): Use new CALL_EXPR accessors.
5045         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5046         Return NULL_RTX instead of 0.
5047         (expand_builtin_mathfn_2): Likewise.
5048         (expand_builtin_mathfn_3): Likewise.
5049         (expand_builtin_interclass_mathfn): Likewise.
5050         (expand_builtin_sincos): Likewise.
5051         (expand_builtin_cexpi): Likewise.
5052         (expand_builtin_int_roundingfn): Likewise.
5053         (expand_builtin_int_roundingfn_2): Likewise.
5054         (expand_builtin_pow): Likewise.
5055         (expand_builtin_powi): Likewise.
5056         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5057         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5058         accessors and constructors.  Return NULL_RTX instead of 0.
5059         (expand_builtin_strstr): Likewise.
5060         (expand_builtin_strchr): Likewise.
5061         (expand_builtin_strrchr): Likewise.
5062         (expand_builtin_strpbrk): Likewise.
5063         (expand_builtin_memcpy): Likewise.
5064         (expand_builtin_mempcpy): Likewise.
5065         (expand_builtin_mempcpy_args): New.
5066         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5067         (expand_builtin_memmove_args): New.
5068         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5069         (expand_movstr): Likewise.
5070         (expand_builtin_strcpy): Likewise.
5071         (expand_builtin_strcpy_args): New.
5072         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5073         (expand_builtin_strncpy): Likewise.
5074         (expand_builtin_memset): Likewise.
5075         (expand_builtin_memset_args): New.
5076         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5077         (expand_builtin_memcmp): Likewise.
5078         (expand_builtin_strcmp): Likewise.
5079         (expand_builtin_strncmp): Likewise.
5080         (expand_builtin_strcat): Likewise.
5081         (expand_builtin_strncat): Likewise.
5082         (expand_builtin_strspn): Likewise.
5083         (expand_builtin_strcspn): Likewise.
5084         (expand_builtin_args_info): Likewise.
5085         (expand_builtin_va_start): Likewise.
5086         (gimplify_va_arg_expr): Likewise.
5087         (expand_builtin_va_end): Likewise.
5088         (expand_builtin_va_copy): Likewise.
5089         (expand_builtin_frame_address): Likewise.
5090         (expand_builtin_alloca): Likewise.
5091         (expand_builtin_bswap): Likewise.
5092         (expand_builtin_unop): Likewise.
5093         (expand_builtin_fputs): Likewise.
5094         (expand_builtin_expect): Likewise.
5095         (expand_builtin_fabs): Likewise.
5096         (expand_builtin_copysign): Likewise.
5097         (expand_builtin_printf): Likewise.
5098         (expand_builtin_fprintf): Likewise.
5099         (expand_builtin_sprintf): Likewise.
5100         (expand_builtin_init_trampoline): Likewise.
5101         (expand_builtin_signbit): Likewise.
5102         (expand_builtin_fork_or_exec): Likewise.
5103         (expand_builtin_sync_operation): Likewise.
5104         (expand_builtin_compare_and_swap): Likewise.
5105         (expand_builtin_lock_test_and_set): Likewise.
5106         (expand_builtin_lock_release): Likewise.
5107         (expand_builtin): Likewise.
5108         (builtin_mathfn_code): Likewise.
5109
5110         (fold_builtin_constant_p): Pass call arguments individually instead
5111         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5112         accessors and constructors.  Return NULL_TREE instead of 0.
5113         (fold_builtin_expect): Likewise.
5114         (fold_builtin_classify_type): Likewise.
5115         (fold_builtin_strlen): Likewise.
5116         (fold_builtin_nan): Likewise.
5117         (integer_valued_real_p): Likewise.
5118         (fold_trunc_transparent_mathfn): Likewise.
5119         (fold_fixed_mathfn): Likewise.
5120         (fold_builtin_cabs): Likewise.
5121         (fold_builtin_sqrt): Likewise.
5122         (fold_builtin_cbrt): Likewise.
5123         (fold_builtin_cos): Likewise.
5124         (fold_builtin_cosh): Likewise.
5125         (fold_builtin_tan): Likewise.
5126         (fold_builtin_sincos): Likewise.
5127         (fold_builtin_cexp): Likewise.
5128         (fold_builtin_trunc): Likewise.
5129         (fold_builtin_floor): Likewise.
5130         (fold_builtin_ceil): Likewise.
5131         (fold_builtin_round): Likewise.
5132         (fold_builtin_int_roundingfn): Likewise.
5133         (fold_builtin_bitop): Likewise.
5134         (fold_builtin_bswap): Likewise.
5135         (fold_builtin_logarithm): Likewise.
5136         (fold_builtin_hypot): Likewise.
5137         (fold_builtin_pow): Likewise.
5138         (fold_builtin_powi): Likewise.
5139         (fold_builtin_exponent): Likewise.
5140         (fold_builtin_memset): Likewise.
5141         (fold_builtin_bzero): Likewise.
5142         (fold_builtin_memory_op): Likewise.
5143         (fold_builtin_bcopy): Deleted; call site changed to invoke
5144         fold_builtin_memory_op directly.
5145         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5146         (fold_builtin_strncpy): Likewise.
5147         (fold_builtin_memcmp): Likewise.
5148         (fold_builtin_strcmp): Likewise.
5149         (fold_builtin_strncmp): Likewise.
5150         (fold_builtin_signbit): Likewise.
5151         (fold_builtin_copysign): Likewise.
5152         (fold_builtin_isascii): Likewise.
5153         (fold_builtin_toascii): Likewise.
5154         (fold_builtin_isdigit): Likewise.
5155         (fold_builtin_fabs): Likewise.
5156         (fold_builtin_abs): Likewise.
5157         (fold_builtin_fmin_fmax): Likewise.
5158         (fold_builtin_carg): Likewise.
5159         (fold_builtin_classify): Likewise.
5160         (fold_builtin_unordered_cmp): Likewise.
5161
5162         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5163         New functions split out from fold_builtin_1.
5164         (fold_builtin_n): New.
5165         (fold_builtin_varargs): New.
5166         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5167         instead.
5168         (fold_call_expr): New.
5169         (build_function_call_expr): Rewrite to use new helper function.
5170         (fold_builtin_call_list): New.
5171         (build_call_expr): New.
5172         (fold_builtin_call_valist): New.
5173         (rewrite_call_expr): New.
5174         (validate_arg): New.
5175         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5176         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5177         accessors.
5178
5179         (fold_builtin_strstr):  Pass call arguments individually instead
5180         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5181         accessors and constructors.  Return NULL_TREE instead of 0.
5182         (fold_builtin_strchr): Likewise.
5183         (fold_builtin_strrchr): Likewise.
5184         (fold_builtin_strpbrk): Likewise.
5185         (fold_builtin_strcat): Likewise.
5186         (fold_builtin_strncat): Likewise.
5187         (fold_builtin_strspn): Likewise.
5188         (fold_builtin_strcspn): Likewise.
5189         (fold_builtin_fputs): Likewise.
5190         (fold_builtin_next_arg): Likewise.
5191         (fold_builtin_sprintf): Likewise.
5192
5193         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5194         NULL_RTX instead of 0.
5195         (expand_builtin_memory_chk): Likewise.
5196         (maybe_emit_chk_warning): Likewise.
5197         (maybe_emit_sprintf_chk_warning): Likewise.
5198
5199         (fold_builtin_object_size): Pass call arguments individually instead
5200         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5201         accessors and constructors.  Return NULL_TREE instead of 0.
5202         (fold_builtin_memory_chk): Likewise.
5203         (fold_builtin_stxcpy_chk): Likewise.
5204         (fold_builtin_strncpy_chk): Likewise.
5205         (fold_builtin_strcat_chk): Likewise.
5206         (fold_builtin_strcat_chk): Likewise.
5207         (fold_builtin_strncat_chk): Likewise.
5208         (fold_builtin_sprintf_chk): Likewise.
5209         (fold_builtin_snprintf_chk): Likewise.
5210         (fold_builtin_printf): Likewise.
5211         (fold_builtin_vprintf): Likewise.
5212
5213         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5214         constructors.
5215         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5216         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5217         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5218         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5219         (fold_unary): Likewise.
5220         (fold_binary): Likewise.
5221         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5222         ternary expressions.
5223         (fold): Add logic for tcc_vl_exp.
5224         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5225         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5226         (fold_build3_stat): Add assertion to flag broken interface for
5227         constructing CALL_EXPRs.
5228         (fold_build_call_list): New.
5229         (fold_build_call_list_initializer): New.
5230         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5231         constructors.
5232         (fold_strip_sign_ops): Likewise.
5233
5234 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5235             Brooks Moses  <brooks.moses@codesourcery.com>
5236             Lee Millward  <lee.millward@codesourcery.com>
5237
5238         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5239         accessors and dump arguments explicitly.
5240
5241         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5242         TREE_CODE_LENGTH.
5243         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5244         explicitly.
5245         (print_call_name): Use new CALL_EXPR accessors.
5246
5247         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5248         CALL_EXPR arguments explicitly instead of as a list.  Use
5249         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5250
5251         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5252         (vrp_visit_stmt): Likewise.
5253
5254         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5255         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5256         TREE_CODE_LENGTH.
5257         (force_move_till_expr): Likewise.
5258
5259         * targhooks.c (default_external_stack_protect_fail): Use
5260         build_call_expr instead of build_function_call_expr.
5261         (default_hidden_stack_protect_fail): Likewise.
5262
5263         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5264         build the call.
5265
5266         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5267         and walk arguments explicitly.
5268
5269         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5270         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5271         (expand_simple_operations): Likewise.
5272         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5273
5274         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5275         of TREE_CODE_LENGTH.
5276         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5277
5278         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5279         instead of TREE_CODE_LENGTH.
5280
5281         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5282         (tree_ic_transform): Likewise.
5283         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5284         parameter instead of arglist.  Fix callers.
5285         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5286         (tree_stringops_transform): Likewise.
5287         (tree_indirect_call_to_profile): Likewise.
5288         (tree_stringops_values_to_profile): Likewise.
5289
5290         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5291         (eliminate_tail_call): Likewise.
5292
5293         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5294
5295         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5296         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5297         operands.
5298         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5299
5300         * omp-low.c (build_omp_barrier): Use build_call_expr.
5301         (lower_rec_input_clauses): Likewise.
5302         (lower_reduction_clauses): Likewise.
5303         (expand_parallel_call): Likewise.
5304         (maybe_catch_exception): Likewise.
5305         (expand_omp_for_generic): Likewise.
5306         (expand_omp_for_static_nochunk): Likewise.
5307         (expand_omp_sections): Likewise.
5308         (lower_omp_single_simple): Likewise.
5309         (lower_omp_single_copy): Likewise.
5310         (lower_omp_master): Likewise.
5311         (lower_omp_ordered): Likewise.
5312         (lower_omp_critical): Likewise.
5313
5314         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5315         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5316
5317         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5318         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5319         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5320
5321         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5322         and generalize to handle any number of operands.
5323         (chrec_contains_undetermined): Likewise.
5324         (tree_contains_chrecs): Likewise.
5325         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5326
5327         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5328
5329         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5330         fold_call_expr instead of fold_builtin.
5331         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5332         match declarations there.
5333         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5334         updates.
5335
5336         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5337         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5338
5339         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5340         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5341
5342         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5343         accessors.
5344
5345         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5346         (execute_cse_sincos): Use new CALL_EXPR accessors.
5347
5348         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5349
5350         * gimple-low.c (lower_function_body): Use build_call_expr.
5351         (lower_builtin_setjmp): Likewise.
5352
5353         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5354         (set_storage_via_libcall): Likewise.
5355         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5356         instead of TREE_CODE_LENGTH.
5357         (expand_expr_real_1): Use new CALL_EXPR accessors.
5358
5359         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5360         generalize to handle any number of operands.
5361         (TB_parent_eq): Likewise.
5362
5363         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5364         (strip_builtin_expect): Likewise.
5365
5366         * function.c (gimplify_parameters): Use build_call_expr.
5367
5368         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5369         instead of TREE_CODE_LENGTH.
5370
5371         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5372         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5373
5374         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5375         iterators.
5376
5377         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5378         (gimplify_decl_expr): Likewise.
5379         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5380         Use new CALL_EXPR iterators.
5381         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5382         (gimplify_modify_expr_to_memset): Likewise.
5383         (gimplify_variable_sized_compare): Likewise.
5384         (gimplify_omp_atomic_fetch_op): Likewise.
5385         (gimplify_omp_atomic_pipeline): Likewise.
5386         (gimplify_omp_atomic_mutex): Likewise.
5387         (gimplify_function_tree): Likewise.
5388
5389         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5390         (call_expr_flags): Likewise.
5391         (expand_call): Likewise.
5392
5393         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5394         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5395         accessors.
5396
5397         * coverage.c (create_coverage): Use build_call_expr.
5398
5399         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5400         (temp_call_expr_obstack): New.
5401         (pool_copy_list): Delete.
5402         (temp_copy_call_expr): New.
5403         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5404         CALL_EXPR accessors.  Get rid of special goo for copying argument
5405         lists and use temp_copy_call_expr instead.
5406         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5407         CALL_EXPR accessors.
5408         (create_expression_by_pieces): Likewise.  Use build_call_array
5409         to construct the result instead of fold_build3.
5410         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5411         dealing with argument lists.
5412         (init_pre): Remove references to expression_node_pool and
5413         list_node_pool.  Init temp_call_expr_obstack instead.
5414         (fini_pre): Remove references to expression_node_pool and
5415         list_node_pool.
5416
5417         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5418         and walk arguments explicitly instead of as a list.
5419
5420         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5421         (mx_register_decls): Likewise.
5422         (mudflap_register_call): Likewise.
5423         (mudflap_finish_file): Likewise.
5424
5425         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5426         (ipa_callsite_compute_param): Likewise.
5427
5428         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5429         accessors and constructor.
5430
5431         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5432         accessors and constructor.
5433         (convert_tramp_reference): Likewise.
5434         (convert_call_expr): Likewise.
5435         (finalize_nesting_tree_1): Likewise.
5436
5437         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5438         accessors.
5439
5440         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5441
5442         * tree-inline.c (initialize_inlined_parameters): Pass entire
5443         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5444         accessors.
5445         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5446         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5447
5448         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5449         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5450         (vectorizable_reduction): Likewise.
5451         (vectorizable_call): Use new CALL_EXPR iterators.
5452         (vectorizable_conversion): Use build_call_expr.
5453         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5454         (vect_gen_widened_results_half): Use build_call_expr.
5455         (vect_setup_realignment): Likewise.
5456         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5457
5458         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5459         (pass_through_call): Likewise.
5460         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5461         fold_builtin.
5462
5463         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5464         (tree_gen_pow2_profiler): Likewise.
5465         (tree_gen_one_value_profiler): Likewise.
5466         (tree_gen_ic_func_profiler): Likewise.
5467         (tree_gen_average_profiler): Likewise.
5468         (tree_gen_ior_profiler): Likewise.
5469
5470         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5471         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5472         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5473
5474         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5475         of TREE_CODE_LENGTH.
5476
5477         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5478         of TREE_CODE_LENGTH.
5479
5480         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5481         constructor.
5482         (convert_to_integer): Likewise.
5483
5484         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5485         accessors.
5486
5487 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5488             Brooks Moses  <brooks.moses@codesourcery.com>
5489             Lee Millward  <lee.millward@codesourcery.com>
5490
5491         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5492         accessors.
5493         * config/frv/frv.c (frv_expand_builtin): Likewise.
5494         * config/s390/s390.c (s390_expand_builtin): Likewise.
5495
5496         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5497         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5498
5499         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5500         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5501         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5502         (ix86_expand_store_builtin): Likewise.
5503         (ix86_expand_unop_builtin): Likewise.
5504         (ix86_expand_unop1_builtin): Likewise.
5505         (ix86_expand_sse_compare): Likewise.
5506         (ix86_expand_sse_comi): Likewise.
5507         (ix86_expand_vec_init_builtin): Likewise.
5508         (ix86_expand_vec_ext_builtin): Likewise.
5509         (ix86_expand_vec_set_builtin): Likewise.
5510         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5511
5512         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5513         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5514
5515         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5516         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5517         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5518
5519         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5520         build_call_expr.
5521         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5522         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5523         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5524         (altivec_expand_abs_builtin): Likewise.
5525         (rs6000_expand_binop_builtin): Likewise.
5526         (altivec_expand_predicate_builtin): Likewise.
5527         (altivec_expand_lv_builtin): Likewise.
5528         (spe_expand_stv_builtin): Likewise.
5529         (altivec_expand_stv_builtin): Likewise.
5530         (rs6000_expand_ternop_builtin): Likewise.
5531         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5532         (altivec_expand_st_builtin): Likewise.
5533         (altivec_expand_dst_builtin): Likewise.
5534         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5535         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5536         (altivec_expand_vec_set_builtin): Likewise.
5537         (altivec_expand_vec_ext_builtin): Likewise.
5538         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5539         (spe_expand_builtin): Likewise.
5540         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5541         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5542         (spe_expand_evsel_builtin): Likewise.
5543         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5544         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5545
5546         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5547         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5548         (arm_expand_unop_builtin): Likewise.
5549         (arm_expand_builtin): Use new CALL_EXPR accessors.
5550
5551         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5552         accessors.
5553
5554         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5555         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5556         (bfin_expand_unop_builtin): Likewise.
5557         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5558
5559 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5560             Brooks Moses  <brooks.moses@codesourcery.com>
5561             Lee Millward  <lee.millward@codesourcery.com>
5562
5563         * c-semantics.c (build_stmt): Add internal diagnostic check.
5564
5565         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5566         accessors.  Print arguments explicitly instead of as a list.
5567
5568         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5569
5570         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5571         (c_finish_omp_flish): Likewise.
5572
5573         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5574         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5575         instead of TREE_CODE_LENGTH.
5576         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5577         (c_warn_unused_result): Likewise.
5578
5579 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5580
5581         PR c/26494
5582         * doc/invoke.texi (Warning Options): Remove
5583         -Werror-implicit-function-declaration.
5584         (Wimplicit-function-declaration): Update description.
5585         * opts.c (common_handle_option): Move handling of -Werror=* to...
5586         (enable_warning_as_error): ...here.
5587         * opts.h (enable_warning_as_error): Declare.
5588         * c-decl.c (implicit_decl_warning): Unless
5589         -Wno-implicit-function-declaration is given, emit a pedwarn if
5590         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5591         * c.opt (Wimplicit-function-declaration): Replace
5592         mesg_implicit_function_declaration with
5593         warn_implicit_function_declaration.
5594         * c-opts.c (c_common_handle_option):
5595         -Werror-implicit-function-declaration is exactly equal as
5596         -Werror=implicit-function-declaration.
5597         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5598         warn_implicit_function_declaration.
5599         (c_common_post_options): -Wimplict-function-declaration is enabled
5600         by default by -std=c99, otherwise is disabled by default.
5601         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5602
5603 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5604
5605         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5606         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5607         former is ignored but not the latter.
5608
5609 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5610
5611         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5612         is made and the reference doesn't use the alias set of its type,
5613         do not create the temporary using that type.
5614
5615 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5616
5617         * jump.c: Remove prototypes for delete_computation and
5618         delete_prior_computation.
5619
5620 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5621
5622         * jump.c (get_label_after): Delete.
5623         (get_label_before, delete_computation, delete_jump,
5624         delete_prior_computation, follow_jumps): Move...
5625         * reorg.c (delete_computation, delete_prior_computation): ... here...
5626         (get_label_before, delete_jump): ... making these static ...
5627         (follow_jumps): ... and simplifying this since it only runs after
5628         reload.
5629         * rtl.h (get_label_after, get_label_before, delete_jump,
5630         follow_jumps): Delete prototypes.
5631
5632 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5633
5634         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5635
5636 2007-02-15  Nick Clifton  <nickc@redhat.com>
5637
5638         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5639         order to prevent it from being munged by the target.
5640
5641 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5642
5643         * config/i386/i386.md: Remove misleading comment.
5644
5645 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5646
5647         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5648         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5649         invalid patterns.
5650
5651 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5652
5653         * tree-sra.c (instantiate_missing_elements): Canonicalize
5654         bit-field types.
5655         (sra_build_assignment): New.
5656         (generate_copy_inout, generate_element_copy,
5657         generate_element_zero, generate_one_element_init): Use it.
5658
5659 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5660
5661         * tree-sra.c (instantiate_missing_elements): Canonicalize
5662         bit-field types.
5663         (sra_build_assignment): New.
5664         (generate_copy_inout, generate_element_copy,
5665         generate_element_zero, generate_one_element_init): Use it.
5666
5667 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5668
5669         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5670         limbo die nodes.
5671
5672 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5673
5674         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5675         types as aggregates not scalars.
5676         * function.c (assign_stack_temp_for_type): Likewise.
5677
5678 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5679             Zdenek Dvorak  <dvorakz@suse.cz>
5680
5681         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5682         name.
5683
5684 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5685
5686         * passes.c (next_pass_1): Clear the next field of the copied
5687         pass structure.
5688
5689 2007-02-14  Richard Henderson  <rth@redhat.com>
5690
5691         * tree-sra.c (early_sra): New.
5692         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5693         (tree_sra_early, pass_sra_early): New.
5694         * tree-pass.h (pass_sra_early): Declare.
5695         * passes.c (init_optimization_passes): Use it.
5696
5697 2007-02-14  Richard Guenther  <rguenther@suse.de>
5698
5699         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5700
5701 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5702
5703          PR tree-optimization/30771
5704         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5705         also phi nodes.
5706         (vect_analyze_operations): Induction phis can now be marked as
5707         used_in_loop.
5708         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5709         Update documentation accordingly.
5710
5711 2007-02-14  Nick Clifton  <nickc@redhat.com>
5712
5713         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5714         most 3 arguments are supported.
5715         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5716
5717 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5718
5719         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5720         Ensure dst->current is valid.
5721
5722 2007-02-13  Paul Brook  <paul@codesourcery.com>
5723
5724         * config.gcc: Add arm*-*-uclinux-*eabi.
5725         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5726         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5727         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5728         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5729         (LINK_SPEC): Define.
5730         (LIB_SPEC): Define.
5731         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5732         register.
5733         * config/arm/uclinux-eabi.h: New file.
5734         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5735         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5736         based targets.
5737
5738 2007-02-13  Ian Lance Taylor  <iant@google.com>
5739
5740         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5741         * flags.h (warn_strict_overflow): Declare.
5742         (enum warn_strict_overflow_code): Define.
5743         (issue_strict_overflow_warning): New static inline function.
5744         * opts.c (warn_strict_overflow): New variable.
5745         (common_handle_option): Handle OPT_Wstrict_overflow and
5746         OPT_Wstrict_overflow_.
5747         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5748         OPT_Wall.
5749         * fold-const.c: Include intl.h.
5750         (fold_deferring_overflow_warnings): New static variable.
5751         (fold_deferred_overflow_warning): New static variable.
5752         (fold_deferred_overflow_code): New static variable.
5753         (fold_defer_overflow_warnings): New function.
5754         (fold_undefer_overflow_warnings): New function.
5755         (fold_undefer_and_ignore_overflow_warnings): New function.
5756         (fold_deferring_overflow_warnings_p): New function.
5757         (fold_overflow_warning): New static function.
5758         (make_range): Add strict_overflow_p parameter.  Change all
5759         callers.
5760         (extract_muldiv, extract_muldiv_1): Likewise.
5761         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5762         tree_expr_nonnegative_p.
5763         (fold_negate_expr): Call fold_overflow_warning.
5764         (fold_range_test): Likewise.
5765         (fold_comparison): Likewise.
5766         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5767         instead of tree_expr_nonnegative_p.
5768         (tree_expr_nonnegative_warnv_p): Rename from
5769         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5770         (tree_expr_nonnegative_p): New function.
5771         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5772         strict_overflow_p parameter.
5773         (tree_expr_nonzero_p): New function.
5774         * passes.c (verify_interpass_invariants): New static function.
5775         (execute_one_pass): Call it.
5776         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5777         warnings.
5778         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5779         (estimate_numbers_of_iterations): Likewise.
5780         (scev_probably_wraps_p): Likewise.
5781         * tree-ssa-ccp.c: Include "toplev.h".
5782         (evaluate_stmt): Defer fold overflow warnings until we know we are
5783         going to optimize.
5784         (struct fold_stmt_r_data): Add stmt field.
5785         (fold_stmt_r): Defer fold overflow warnings until we know we
5786         optimized.
5787         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5788         (fold_stmt_inplace): Likewise.
5789         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5790         (cleanup_control_expr_graph): Defer fold overflow warnings until
5791         we know we are going to optimize.
5792         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5793         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5794         Likewise.
5795         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5796         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5797         * tree-ssa-loop-manip.c (create_iv): Likewise.
5798         * c-typeck.c (build_conditional_expr): Likewise.
5799         (build_binary_op): Likewise.
5800         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5801         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5802         (extract_range_from_unary_expr): Likewise.
5803         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5804         assuming that signed overflow does not occur.
5805         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5806         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5807         (fold_defer_overflow_warnings): Declare.
5808         (fold_undefer_overflow_warnings): Declare.
5809         (fold_undefer_and_ignore_overflow_warnings): Declare.
5810         (fold_deferring_overflow_warnings_p): Declare.
5811         (tree_expr_nonzero_warnv_p): Declare.
5812         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5813         of warning options.
5814         (Warning Options): Document -Wstrict-overflow.
5815         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5816         (tree-ssa-ccp.o): Likewise.
5817         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5818         (fold-const.o): Depend on intl.h.
5819
5820 2007-02-13  Ian Lance Taylor  <iant@google.com>
5821
5822         PR middle-end/30751
5823         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5824         addresses.
5825
5826 2007-02-13  Stuart Hastings  <stuart@apple.com>
5827
5828         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5829
5830 2007-02-13  Richard Henderson  <rth@redhat.com>
5831
5832         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5833         handled_component_p before looking for the indirect_ref.
5834
5835 2007-02-13  Richard Henderson  <rth@redhat.com>
5836
5837         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5838         remove flags clobber.
5839         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5840         (bswaphi_lowpart): New.
5841         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5842         remove TARGET_BSWAP test.  Delete expander of the same name.
5843
5844         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5845         (expand_unop): Use them.
5846
5847 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5848
5849         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5850         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5851         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5852         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5853         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5854         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5855         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5856         assembler dialect choice from asm templates.
5857
5858 2007-02-12  Richard Henderson  <rth@redhat.com>
5859
5860         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5861         (fixuns_trunc<SSEMODEF>si2): Use it.
5862         * config/i386/sse.md (vec_setv4sf_0): Export.
5863         * config/i386/i386.c (ix86_build_const_vector): Export.
5864         (ix86_split_convert_uns_si_sse): Rename from
5865         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5866         * config/i386/i386-protos.h: Update.
5867
5868 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5869
5870         PR c/29521
5871         * c-typeck.c (c_finish_return): Improve warning message.
5872
5873 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5874
5875         * alias.c (find_symbolic_term): Delete unused function.
5876
5877 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5878
5879         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5880         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5881         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5882
5883 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5884
5885         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5886         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5887         the function, temporarily point the debug interface to the null one.
5888
5889 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5890
5891         * dwarf2out.c (round_up_to_align): New static function.
5892         (field_byte_offset): Use it to round the offset.
5893
5894 2007-02-12  Richard Henderson  <rth@redhat.com>
5895
5896         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5897         (inswl_const): Export.
5898
5899 2007-02-12  Richard Henderson  <rth@redhat.com>
5900
5901         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5902         result mode of the libcall, convert back to outmode.
5903
5904 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5905
5906         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5907         (bswapdi2): New define_expand to implement 32-bit implementation.
5908
5909 2007-02-12  Nick Clifton  <nickc@redhat.com>
5910
5911         * doc/invoke.texi (Overall Options): Document --help=.
5912         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5913         (cc1_options): Pass --help= on to cc1.
5914         (display_help): Add description of --help=.
5915         (process_command): Add code to handle --help=.  Allow translated
5916         --help and --target-help switches to be passed on to compiler
5917         sub-process.
5918         (main): Remove unused if statement.
5919         * opts.c (columns): Remove.
5920         (LEFT_COLUMN): Define.
5921         (wrap_help): Add columns argument.
5922         (print_filtered_help): Change parameters to be an include bitmask,
5923         an exclude bitmask, an any bitmask and the column width.  Move the
5924         code to display the params list here.  Add code to display the
5925         status of options rather than their descriptions if the quiet flag
5926         is not active.
5927         (print_specific_help): Change parameters to be an include bitmask,
5928         an exclude bitmask and an any bitmask.  Move code to look up the
5929         column width here.  Decide upon the title for an options listing.
5930         (common_handle_options): Add code to handle --help=.  Adapt code
5931         for --help and --target-help to use the revised form of the
5932         print_specific_help function.
5933         (print_help): Delete.
5934         (print_param_help): Delete.
5935         (print_switch): Delete.
5936         * opts.h (cl_lang_count): Add prototype.
5937         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
5938         CL_MAX_OPTION_CLASS): New defines.
5939         * optc-gen.awk: Add construction of cl_lang_count.
5940         * c.opt: Add Warning attribute to warning options and Optimization
5941         attribute to optimization options.
5942         * common.opt: Likewise.
5943         Add --help=.
5944         Add -fhelp and -ftarget-help as aliases for the transformed --help
5945         and --target-help options.
5946         * opt-functions.awk: Add code to handle Warning and Optimization
5947         attributes.
5948
5949 2007-02-12  Richard Henderson  <rth@redhat.com>
5950
5951         * config/alpha/constraints.md: New file.
5952         * config/alpha/alpha.c: Include tm-constrs.h.
5953         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
5954         alpha_extra_constraint): Remove.
5955         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
5956         * config/alpha/alpha-protos.h: Update.
5957         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
5958         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
5959         (EXTRA_CONSTRAINT): Remove.
5960         * config/alpha/alpha.md: Include constraints.md.
5961         (adddi splitter): Use satisfies_constraint_*.
5962         * config/alpha/predicates.md (add_operand): Likewise.
5963         (sext_add_operand, addition_operation): Likewise.
5964
5965 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
5966
5967         PR tree-optimization/29145
5968         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
5969         in our handling of restrict qualified pointers.
5970
5971 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5972
5973         PR middle-end/7651
5974         * doc/invoke.texi (Wunused-value): Update description.
5975         (Wextra): Delete item.
5976         * opts.c (set_Wextra): Don't use the value of Wextra to set the
5977         value of Wunused-value.
5978         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
5979         (c_finish_stmt_expr): Don't check extra_warnings.
5980         (emit_side_effect_warnings): The caller is responsible to check
5981         warn_unused_value.
5982
5983 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5984             Matt Thomas  <matt@3am-software.com>
5985
5986         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
5987
5988 2007-02-11  Roger Sayle  <roger@eyesopen.com>
5989
5990         * simplify-rtx.c (simplify_relational_operation_1): Optimize
5991         comparisons of POPCOUNT against zero.
5992         (simplify_const_relational_operation): Likewise.
5993
5994 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5995
5996         * doc/invoke.texi (Wextra): Delete outdated paragraph.
5997
5998 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5999
6000         * dwarf2out.c (root_type): Delete unused function.
6001
6002 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6003
6004         * genattrtab.c (contained_in_p): Delete unused function.
6005         (write_expr_attr_cache): Likewise.
6006
6007 2007-02-11  Jan Hubicka  <jh@suse.cz>
6008
6009         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6010         previous patch.
6011
6012 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6013
6014         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6015         to add the REG_EQ* note.
6016         * see.c (see_merge_one_use_extension): Likewise.
6017         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6018         turn REG_EQUAL notes into REG_EQUIV notes if the target
6019         register may have more than one set.
6020         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6021         * gcse.c (try_replace_reg): Likewise.
6022         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6023         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6024         more than one REG_EQUIV note.
6025         * reload1.c (gen_reload): Use set_unique_reg_note.
6026
6027 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6028
6029         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6030         (ix86_builtin_conversion): New function.
6031
6032 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6033
6034         PR target/29487
6035         * tree.h (DECL_REPLACEABLE_P): New macro.
6036         * except.c (set_nothrow_function_flags): Likewise.
6037
6038 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6039             Ira Rosen  <irar@il.ibm.com>
6040             Dorit Nuzman  <dorit@il.ibm.com>
6041
6042         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6043         * targhooks.c (default_builtin_vectorized_conversion): New.
6044         * targhooks.h (default_builtin_vectorized_function): New declaration.
6045         * target.h (struct vectorize): Add builtin_conversion field.
6046         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6047         stmt_vec_info_type value.
6048         (vectorizable_conversion): New declaration.
6049         * tree-vect-analyze.c (vect_analyze_operations): Add
6050         vectorizable_conversion call.
6051         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6052         * tree-vect-transform.c (vectorizable_conversion): New function.
6053         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6054         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6055         mode.
6056         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6057         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6058         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6059         or ALTIVEC_BUILTIN_VCFSX.
6060
6061 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6062
6063         PR target/30634
6064         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6065         CONST_DOUBLE and operand 0 is a hard register.
6066         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6067         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6068         is a hard floating-point register.
6069
6070 2007-02-10  Richard Henderson  <rth@redhat.com>
6071             Jakub Jelinek  <jakub@redhat.com>
6072             Alexandre Oliva  <aoliva@redhat.com>
6073
6074         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6075         * builtin-types.def (BT_WORD): Make unsigned.
6076         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6077         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6078         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6079         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6080         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6081         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6082         emulated tls.
6083         * expr.c (emutls_var_address): New.
6084         (expand_expr_real_1): Expand emulated tls.
6085         (expand_expr_addr_expr_1): Likewise.
6086         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6087         * output.h (emutls_finish): Declare.
6088         * toplev.c (compile_file): Call it.
6089         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6090         address before wrapping in CONST.
6091         * varasm.c (emutls_htab, emutls_object_type): New.
6092         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6093         (get_emutls_object_name, get_emutls_object_type): New.
6094         (get_emutls_init_templ_addr, emutls_decl): New.
6095         (emutls_common_1, emutls_finish): New.
6096         (assemble_variable): When emulating tls, swap decls; generate
6097         constructor for the emutls objects.
6098         (do_assemble_alias): When emulating tls, swap decl and target name.
6099         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6100         for emulated tls.
6101         * varpool.c (decide_is_variable_needed): Look at force_output.
6102         Recurse for emulated tls.
6103         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6104         with decide_is_variable_needed.
6105         * emutls.c: New file.
6106         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6107         tls_object for real tls.
6108
6109 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6110
6111         PR rtl-optimization/29599
6112         * reload1.c (eliminate_regs_in_insn): Take the destination
6113         mode into account when computing the offset.
6114
6115 2007-02-09  Stuart Hastings  <stuart@apple.com>
6116             Richard Henderson  <rth@redhat.com>
6117
6118         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6119         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6120         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6121         fixuns_truncdfhi2): New.
6122         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6123         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6124         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6125         (floatunssidf2): Allow nonimmediate source.
6126         * gcc/config/i386/sse.md (movdi_to_sse): New.
6127         (vec_concatv2di): Drop '*'.
6128         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6129         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6130         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6131         New.
6132         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6133         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6134         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6135         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6136         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6137         ix86_build_const_vector.
6138         (x86_emit_floatuns): Rewrite.
6139
6140 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6141
6142         * genautomata.c (longest_path_length): Delete unused function.
6143         (struct state): Delete unused longest_path_length.
6144         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6145         (get_free_state): Delete unused.
6146
6147 2007-02-09  Jan Hubicka  <jh@suse.cz>
6148
6149         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6150         * doc/invoke.texi (inline-unit-growth): Update default value.
6151
6152         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6153         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6154         (rebuild_cgraph_edges): Likewise.
6155         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6156         (dump_cgraph_node): Dump frequencies.
6157         (cgraph_clone_edge): Add frequency scales.
6158         (cgraph_clone_node): Add freuqnecy.
6159         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6160         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6161         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6162         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6163         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6164         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6165         (save_inline_function_body): Likewise.
6166         * ipa-inline.c: inluce rtl.h
6167         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6168         (cgraph_edge_badness): Use frequencies.
6169         (cgraph_decide_recursive_inlining): Update clonning.
6170         (cgraph_decide_inlining_of_small_function): Dump frequency.
6171         * predict.c (estimate_bb_frequencies): Export.
6172         * predict.h (estimate_bb_frequencies): Declare.
6173         * tree-inline.c (copy_bb): Watch overflows.
6174         (expand_call_inline): Update call of cgraph_create_edge.
6175         (optimize_inline_calls): Use TODO flags to update frequnecies.
6176         * passes.h: Include predict.h
6177         (init_optimization_passes): Move profile ahead.
6178         (execute_function_todo): Handle TODO_rebuild_frequencies.
6179
6180 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6181
6182         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6183         the insbl or inswl pattern into a register.
6184
6185 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6186
6187         * config/ia64/ia64.md (bswapdi2): New define_insn.
6188
6189 2007-02-09  Richard Henderson  <rth@redhat.com>
6190
6191         * config/i386/constraints.md (Ym): New constraint.
6192         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6193         (movdi_1_rex64): Split sse and xmm general register moves from
6194         memory move alternatives.  Use conditional register constraints.
6195         (movsf_1, movdf_integer): Likewise.
6196         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6197         (movdf_integer_rex64): New.
6198         (pushsf_rex64): Fix output constraints.
6199         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6200         (sse2_stored): Likewise.
6201         (sse2_storeq_rex64): New.
6202         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6203         amd and not generic.
6204         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6205         for optimize_size.  Remove SF/DFmode hack.
6206
6207 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6208
6209         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6210         (bit_SSE4a): New.
6211
6212 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6213             Richard Sandiford  <richard@codesourcery.com>
6214
6215         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6216         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6217         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6218         m68k/t-mlib to tmake_file.
6219         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6220         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6221         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6222         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6223         variable is not empty, add t-$m68k_arch_family to tmake_file.
6224         Add t-mlibs to tmake_file.
6225         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6226         * config/m68k/t-cf: New file.
6227         * config/m68k/t-m68k: Likewise.
6228         * config/m68k/t-mlibs: Likewise.
6229         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6230         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6231         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6232         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6233         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6234         Delete.
6235         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6236         (INSTALL_LIBGCC): Delete.
6237         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6238         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6239         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6240         (M68K_MLIB_CPU): Define.
6241         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6242         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6243         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6244
6245 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6246             Richard Guenther  <rguenther@suse.de>
6247
6248         PR middle-end/23361
6249         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6250         against INT_MIN/INT_MAX.
6251         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6252         file if a loop is removed.
6253
6254 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6255
6256         * calls.c (store_one_arg): Pass correct alignment to
6257         emit_push_insn for non-BLKmode values.
6258         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6259         unaligned stack slot via a suitably aligned slot.
6260
6261 2007-02-08  DJ Delorie  <dj@redhat.com>
6262
6263         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6264         warnings.
6265         (legal_subregs): Use unsigned char, make const.
6266         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6267
6268 2007-02-08  Paul Brook  <paul@codesourcery.com>
6269
6270         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6271         special interworking needed.
6272
6273 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6274
6275         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6276         conditional to __SSE2__.
6277         (Entries below should have been added to first ChangeLog
6278         entry for amdfam10 dated 2007-02-05)
6279         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6280         defined.
6281         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6282         defined.
6283         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6284         defined.
6285
6286 2007-02-08  DJ Delorie  <dj@redhat.com>
6287
6288         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6289         * config/m32c/m32c.c (legal_subregs): New.
6290         (m32c_illegal_subreg_p): New.
6291         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6292         unsupported subregs of hard regs.
6293
6294 2007-02-08  Jan Hubicka  <jh@suse.cz>
6295
6296         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6297         the same one; always update histograms.
6298
6299 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6300
6301         * passes.c (init_optimization_passes): Tidy comment.
6302
6303 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6304
6305         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6306         strip zero_extend, bswap and rotates from POCOUNT's argument.
6307         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6308         zero_extend and rotates from PARITY's argument.
6309         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6310         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6311         of an integer constant at compile-time.
6312
6313 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6314
6315         PR 30562
6316         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6317         Update all users.
6318         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6319         users.
6320         (init_alias_info):
6321         * tree-ssa-live.c (remove_unused_locals): Do not remove
6322         TREE_ADDRESSABLE variables.
6323         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6324         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6325         FOR_CLOBBER.  Update all users.
6326         If VAR has an associated alias set, add a virtual operand for
6327         it if no alias is found to conflict with the memory reference.
6328
6329 2007-02-07  Jan Hubicka  <jh@suse.cz>
6330             Robert Kidd <rkidd@crhc.uiuc.edu>
6331
6332         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6333
6334 2007-02-07  Ian Lance Taylor  <iant@google.com>
6335
6336         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6337
6338 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6339
6340         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6341         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6342         tablejumpdi, movsi_to_cr_one): Remove constraints from
6343         define_expand's match_operands.
6344
6345 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6346
6347         * global.c (compute_regsets): Move declatation of "i" inside of
6348         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6349
6350 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6351
6352         PR c++/30703
6353         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6354         of INDIRECT_REF <RESULT_DECL>.
6355
6356         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6357
6358 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6359             Kaz Kojima  <kkojima@gcc.gnu.org>
6360
6361         PR target/29746
6362         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6363         properly.
6364         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6365
6366 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6367
6368         * doc/loop.texi: Document possibility not to perform disambiguation
6369         of loops with multiple latches.
6370         * cfgloopmanip.c (alp_enum_p): Removed.
6371         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6372         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6373         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6374         the new forwarder block.
6375         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6376         Handle the case latch is NULL.
6377         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6378         when marking loop exits.
6379         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6380         be modified.
6381         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6382         disambiguate_loops_with_multiple_latches.
6383         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6384         before fix_loop_structure.
6385         * cfgloop.c: Include pointer-set.h and output.h.
6386         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6387         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6388         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6389         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6390         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6391         disambiguate_multiple_latches, get_loop_body_with_size,
6392         disambiguate_loops_with_multiple_latches): New functions.
6393         (flow_loop_dump): Dump multiple latch edges.
6394         (flow_loop_nodes_find): Handle loops with multiple latches.
6395         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6396         (glb_enum_p): Modified.
6397         (get_loop_body): Use get_loop_body_with_size.
6398         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6399         (AVOID_CFG_MODIFICATIONS): New constant.
6400         (disambiguate_loops_with_multiple_latches, add_loop,
6401         get_loop_body_with_size): Declare.
6402         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6403
6404 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6405
6406         PR inline-asm/28686
6407         * global.c (compute_regsets): New function.
6408         (global_alloc): Refactored ELIMINABLE_REGSET
6409         and NO_GLOBAL_ALLOC_REGS computation out.
6410         (rest_of_handle_global_alloc): Call compute_regsets()
6411         for non-optimizing case.
6412
6413 2007-02-06  Richard Henderson  <rth@redhat.com>
6414
6415         * config/i386/constraints.md (Y2): Rename from Y.
6416         (Yi): New constraint.
6417         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6418         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6419         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6420         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6421         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6422         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6423         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6424         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6425         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6426         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6427         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6428         vec_extractv2si_1): Change Y constraints to Y2.
6429         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6430         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6431         Change Y constraints to Y2.
6432         (sse2_loadld): Change Y constraints to x.
6433
6434 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6435
6436         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6437         (parity<mode>2): New define_expand using rs6000_emit_parity.
6438         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6439         rs6000_emit_parity): New functions.
6440         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6441         rs6000_emit_parity): Prototype here.
6442
6443 2007-02-06  Ian Lance Taylor  <iant@google.com>
6444
6445         * lower-subreg.c (simple_move_operand): Reject CONST.
6446         (resolve_clobber): Call validate_change rather than directly
6447         assigning to XEXP (pat, 0).
6448
6449 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6450
6451         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6452         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6453         (tree-cfg.o): Remove hashtab.h dependency.
6454
6455         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6456         (struct ivopts_data): Change niters to pointer_map_t.
6457         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6458         (niter_for_exit): Create pointer_map on demand.  Change for
6459         pointer_map API.
6460         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6461         (free_loop_data): Destroy data->niters if created and reset field.
6462         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6463         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6464
6465         * tree-ssa-reassoc.c: Include pointer-set.h.
6466         (bb_rank): Change to long *.
6467         (operand_rank): Change to pointer_map_t.
6468         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6469         (insert_operand_rank): Accept long.
6470         (operand_entry_hash, operand_entry_eq): Remove.
6471         (get_rank): Return long.  Adjust for changes above.
6472         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6473         and operand_rank.
6474         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6475
6476         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6477         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6478         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6479         is not NULL.
6480         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6481         directly since it cannot be NULL.
6482         (get_vi_for_tree): Rewrite for pointer_map API.
6483         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6484         (init_alias_vars): Create vi_for_tree as pointer_map.
6485         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6486
6487         * tree-cfg.c: Don't include hashtab.h.
6488         (edge_to_cases): Declare as pointer_map.
6489         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6490         Delete.
6491         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6492         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6493         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6494         destroying it.
6495         (record_switch_edge): Delete.
6496         (get_cases_for_edge): Adjust for pointer_map API, inline
6497         record_switch_edge (rewritten for new API), remove goto.
6498
6499 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6500
6501         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6502         * tree-nested.c: Include pointer-set.h.
6503         (var_map_elt, var_map_eq, var_map_hash): Delete.
6504         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6505         to pointer_map_t's.
6506         (nesting_info_bitmap_obstack): New.
6507         (lookup_field_for_decl): Adjust for pointer_map API.
6508         (lookup_tramp_for_decl): Adjust for pointer_map API.
6509         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6510         (get_local_debug_decl): Adjust for pointer_map API.
6511         (convert_nl_goto_reference): Adjust for pointer_map API.
6512         (convert_nl_goto_receiver): Adjust for pointer_map API.
6513         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6514         the new obstack.  Create field_map and var_map as pointer_maps.
6515         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6516         (root): Delete.
6517         (lower_nested_functions): Move root here, no need to NULL it.
6518         Initialize and release the obstack.
6519
6520 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6521
6522         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6523         Remove prototypes and make them non-static.
6524         (struct tree_int_map): Remove.
6525         * tree.h (struct tree_int_map): Move here, turning TO into an
6526         unsigned int.
6527         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6528
6529         * tree.h (TREE_COMPLEXITY): Remove.
6530         (struct tree_exp): Remove complexity field.
6531         * tree.c (build1_stat): Don't set it.
6532
6533 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6534             Victor Kaplansky  <victork@il.ibm.com>
6535
6536         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6537         (vect_is_simple_reduction): Support reduction with induction as
6538         one of the operands.
6539         (vect_is_simple_iv_evolution): Fix formatting.
6540         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6541         formatting.  Don't mark induction phis for vectorization.
6542         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6543         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6544         (vect_get_vec_def_for_operand): Support induction.
6545         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6546         induction case.
6547         (vectorizable_reduction): Support reduction with induction as one of
6548         the operands.
6549         (vectorizable_type_demotion): Use def-type of stmt argument rather
6550         than dummy def-type.
6551
6552         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6553         flag_tree_scev_cprop.
6554         * common.opt (tree-scev-cprop): New flag.
6555
6556         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6557         call to vect_get_new_vect_var.
6558
6559 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6560
6561         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6562         vectype is not NULL.
6563         (vect_pattern_recog_1): Likewise.
6564
6565 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6566
6567         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6568         (fold_negate_expr): Likewise.
6569
6570 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6571
6572         PR debug/30189
6573         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6574         even if cv-qualification is the same.
6575
6576 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6577
6578         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6579         __enable_execute_stack on completion.
6580
6581 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6582
6583         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6584         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6585         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6586         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6587         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6588         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6589         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6590         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6591
6592 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6593
6594         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6595         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6596         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6597         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6598         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6599         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6600         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6601         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6602         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6603         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6604         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6605         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6606         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6607         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6608         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6609         sqrtextenddfxf2_i387): Added amdfam10_decode.
6610
6611         * config/i386/athlon.md (athlon_idirect_amdfam10,
6612         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6613         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6614         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6615         athlon_ivector_store_amdfam10): New define_insn_reservation.
6616         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6617         amdfam10.
6618
6619 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6620
6621         * config/i386/athlon.md (athlon_call_amdfam10,
6622         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6623         define_insn_reservation.
6624         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6625         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6626         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6627
6628 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6629
6630         * config/i386/athlon.md (athlon_sseld_amdfam10,
6631         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6632         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6633
6634 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6635
6636         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6637         define_insn_reservation.
6638         * config/i386/i386.md (sseins): Added sseins to define_attr type
6639         and define_attr unit.
6640         * config/i386/sse.md: Set type attribute to sseins for insertq
6641         and insertqi.
6642
6643 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6644
6645         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6646         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6647         ssecomi_load_amdfam10, ssecomi_amdfam10,
6648         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6649         define_insn_reservation.
6650         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6651
6652 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6653
6654         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6655         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6656         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6657         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6658         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6659         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6660         define_insn_reservation.
6661
6662         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6663         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6664         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6665         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6666         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6667
6668 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6669
6670         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6671         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6672         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6673         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6674         athlon_ssemul_load_k8): Added amdfam10.
6675
6676 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6677
6678         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6679         (x86_sse_unaligned_move_optimal): New variable.
6680
6681         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6682         m_AMDFAM10.
6683         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6684         for unaligned vector SSE double/single precision loads for AMDFAM10.
6685
6686 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6687
6688         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6689         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6690         Define TARGET_CPU_DEFAULT_amdfam10.
6691         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6692         (processor_type): Add PROCESSOR_AMDFAM10.
6693
6694         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6695         processor_type in config/i386/i386.h.
6696         Enable imul peepholes for TARGET_AMDFAM10.
6697
6698         * config.gcc: Add support for --with-cpu option for amdfam10.
6699
6700         * config/i386/i386.c (amdfam10_cost): New variable.
6701         (m_AMDFAM10): New macro.
6702         (m_ATHLON_K8_AMDFAM10): New macro.
6703         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6704         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6705         x86_promote_QImode, x86_integer_DFmode_moves,
6706         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6707         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6708         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6709         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6710         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6711         Enable/disable for amdfam10.
6712         (override_options): Add amdfam10_cost to processor_target_table.
6713         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6714         processor_alias_table.
6715         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6716         (ix86_adjust_cost): Add code for amdfam10.
6717
6718 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6719
6720         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6721         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6722         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6723         * config/i386/i386.h: Add builtin definition for SSE4A.
6724         * config/i386/i386.md: Add support for ABM instructions
6725         (popcnt and lzcnt).
6726         * config/i386/sse.md: Add support for SSE4A instructions
6727         (movntss, movntsd, extrq, insertq).
6728         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6729         Add -march=amdfam10 flag.
6730         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6731         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6732         and amdfam10.
6733         * doc/extend.texi: Add documentation for SSE4A builtins.
6734
6735 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6736
6737         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6738
6739 2007-02-05  Richard Guenther  <rguenther@suse.de>
6740
6741         * tree-vectorizer.h (vectorizable_function): Add argument type
6742         argument, change return type.
6743         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6744         * tree-vect-transform.c (vectorizable_function): Handle extra
6745         argument, return vectorized function decl.
6746         (build_vectorized_function_call): Remove.
6747         (vectorizable_call): Handle calls with result and argument types
6748         differing.  Handle loop vectorization factor correctly.
6749         * targhooks.c (default_builtin_vectorized_function): Adjust for
6750         extra argument.
6751         * targhooks.h (default_builtin_vectorized_function): Likewise.
6752         * target.h (builtin_vectorized_function): Add argument type
6753         argument.
6754         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6755         extra argument, allow vectorizing of lrintf.
6756         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6757         documentation of target hook.
6758
6759 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6760
6761         PR target/30665
6762         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6763         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6764         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6765
6766 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6767
6768         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6769         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6770         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6771         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6772         before canonicalizing sincos to cexpi.
6773         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6774
6775 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6776
6777         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6778         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6779         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6780
6781 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6782
6783         * mips-tfile.c (initialize_init_file): Correct endianness test.
6784
6785 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6786
6787         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6788         the 'y' constraint.
6789
6790 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6791
6792         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6793         saves in a PARALLEL before the register assignments.
6794
6795 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6796
6797         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6798         DWARF_FRAME_RETURN_COLUMN to be a general register.
6799         * dwarf2out.c (init_return_column_size): New function, split from...
6800         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6801         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6802         to be nongeneral registers.
6803         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6804         integer registers.
6805         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6806         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6807
6808 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6809
6810         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6811
6812 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6813
6814         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6815         (remove_path): Use can_remove_branch_p and remove_branch instead
6816         of loop_delete_branch_edge.
6817         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6818         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6819         Update profile using scale_dominated_blocks_in_loop.
6820         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6821         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6822         (can_remove_branch_p, remove_branch): Declare.
6823         * tree-cfg.c (tree_can_remove_branch_p): New function.
6824         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6825         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6826         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6827
6828 2007-02-05  Jan Hubicka  <jh@suse.cz>
6829
6830         PR middle-end/30696
6831         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6832         nodes in cgraph, don't remove offline copy of the function.
6833
6834 2007-02-04  Jan Hubicka  <jh@suse.cz>
6835
6836         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6837         vectors might cause maybe_lookup_element_for_expr to be called
6838         on non-sra-candidate.
6839
6840 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6841
6842         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6843         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6844         spelling conventions.
6845
6846 2007-02-04  Richard Guenther  <rguenther@suse.de>
6847
6848         PR middle-end/30636
6849         * fold-const.c (try_move_mult_to_index): Make sure to not
6850         overflow one dimension of a multi-dimensional array access.
6851
6852 2007-02-04  Jan Hubicka  <jh@suse.cz>
6853
6854         * passes.c (init_optimization_passes): Reindent.
6855
6856 2007-02-04  Jan Hubicka  <jh@suse.cz>
6857             Eric Botcazou  <ebotcazou@adacore.com>
6858
6859         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6860         (execute_fixup_cfg): Break out the abnormal goto code.
6861         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6862         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6863         (optimize_inline_calls): Call make_nonlocal_label_edges.
6864
6865 2007-02-04  Jan Hubicka  <jh@suse.cz>
6866
6867         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6868         true when something was changed.
6869         (rename_ssa_copies): When something was changed, do
6870         TODO_remove_unused_locals.
6871         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6872         add TODO_remove_unused_locals when instruction was removed.
6873
6874 2007-02-04  Jan Hubicka  <jh@suse.cz>
6875
6876         * ipa-inline.c (try_inline): Improve debug output; work on already
6877         inline edges too.
6878         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6879         call try_inline for already inlined edges too when flattening;
6880         inline also functions that make callee growth but overall unit size
6881         reduce.
6882
6883 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6884
6885         * config/m32c/bitops.md, config/m32c/jump.md,
6886         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6887         config/m32r/m32r.h, config/m32r/m32r.md,
6888         config/m32r/predicates.md, config/m68hc11/larith.asm,
6889         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6890         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6891         config/mips/mips-protos.h, config/mips/mips.c,
6892         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6893         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6894         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6895         spelling conventions.
6896
6897         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6898         Follow spelling conventions.
6899
6900 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6901
6902         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6903         warn about C++0x compatibility.
6904
6905 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6906
6907         * config/h8300/h8300.c, config/h8300/h8300.h,
6908         config/h8300/h8300.md: Follow spelling conventions.
6909
6910 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6911
6912         PR middle-end/30667
6913         * combine.c (try_combine): Do not substitute source operand
6914         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6915
6916 2007-02-03  Jan Hubicka  <jh@suse.cz>
6917
6918         PR gcov-profile/30650
6919         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6920         do not divide by zero for never executed counters.
6921         (tree_find_values_to_profile): Fix counters.
6922         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
6923
6924 2007-02-03  Ian Lance Taylor  <iant@google.com>
6925
6926         * lower-subreg.c (simple_move_operand): New static function,
6927         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
6928         operands.
6929         (simple_move): Call simple_move_operand.
6930         (find_decomposable_subregs): Add special handling of MEMs.
6931         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
6932         meaning of return value.  If we see a hard register, test whether
6933         it can store a word_mode value.  Change all callers.
6934
6935 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6936
6937         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
6938         ftrapv insns and expanders.
6939         (subdi3): Change define_expand operand 1 to arith11_operand, and
6940         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
6941         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
6942         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
6943         respectively.
6944
6945         PR middle-end/30174
6946         * varasm.c (notice_global_symbol): Treat global objects as weak when
6947         flag_shlib is true.
6948
6949 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6950
6951         * emit-rtl.c (dconstpi): Delete.
6952         (dconstsqrt2): New.
6953         (init_emit_once): Delete dconstpi and init dconstsqrt2.
6954         * real.h (dconstpi): Delete.
6955         (dconstsqrt2): New.
6956         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
6957         (fold_builtin_hypot): Likewise.
6958
6959 2007-02-03  Tom Tromey  <tromey@redhat.com>
6960
6961         PR driver/30246
6962         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
6963         -gcoff3, -gxcoff3, -gvms3 implies -dD.
6964
6965 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
6966
6967         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
6968         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
6969         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
6970         config/rs6000/cell.md, config/rs6000/darwin.h,
6971         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
6972         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
6973         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
6974         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
6975         typos.  Follow spelling conventions.
6976         * doc/invoke.texi: Follow spelling conventions.
6977
6978 2007-02-03  Roger Sayle  <roger@eyesopen.com>
6979
6980         * simplify-rtx.c (simplify_relational_operation_1): Implement some
6981         canonicalization transformations that attempt to simplify integer
6982         constant comparisons to become comparisons against zero.
6983
6984 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6985
6986         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
6987         fabs(x)*sqrt(2).
6988         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
6989         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
6990
6991 2007-02-02  Mike Stump  <mrs@apple.com>
6992
6993         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
6994         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
6995         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
6996         generate a branch island.
6997
6998 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
6999
7000         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7001         (xtensa_legitimate_address_p): New.
7002         (xtensa_legitimize_address): New.
7003         (xtensa_output_addr_const_extra): New.
7004         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7005         (BASE_REG_P): New.
7006         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7007         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7008         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7009         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7010         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7011         (xtensa_legitimize_address): New.
7012         (xtensa_output_addr_const_extra): New.
7013
7014 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7015
7016         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7017
7018 2007-02-02  Ian Lance Taylor  <iant@google.com>
7019
7020         * expmed.c (expand_divmod): Add comment.
7021
7022 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7023
7024         * emit-rtl.c (renumber_insns): Remove.
7025         * flags.h: Remove the extern for flag_renumber_insns.
7026         * rtl.h: Remove the prototype for renumber_insns.
7027         * toplev.c (flag_renumber_insns): Remove.
7028
7029 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7030
7031         Revert for x86 darwin:
7032         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7033
7034         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7035         code before the following patch under TARGET_MACHO.
7036         (ix86_function_value_regno_p): Likewise.
7037
7038 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7039
7040         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7041         COMPLEX_EXPR.
7042
7043 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7044
7045         PR target/29682
7046         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7047         general or fp registers.  Add comments.
7048         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7049
7050 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7051
7052         * pointer-set.c (insert_aux): Only return insertion slot.
7053         (pointer_set_insert): Adjust.
7054         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7055         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7056         pointer_map_traverse): New.
7057         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7058         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7059         pointer_map_contains, pointer_map_traverse): Declare.
7060
7061 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7062
7063         PR middle-end/30473
7064         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7065         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7066
7067 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7068
7069         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7070
7071         (struct _dep): New type.
7072         (dep_t): New typedef.
7073         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7074         (DEP_STATUS): New access macro.  The macro with the same name was
7075         renamed to DEP_LINK_STATUS.
7076         (dep_init): Declare function
7077
7078         (struct _dep_link): New type.
7079         (dep_link_t): New typedef.
7080         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7081         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7082         (DEP_LINK_STATUS): New macro.
7083         (debug_dep_links): New debug function.
7084
7085         (struct _deps_list): New type.
7086         (deps_list_t): New typedef.
7087         (DEPS_LIST_FIRST): New access macro.
7088         (FOR_EACH_DEP_LINK): New cycle macro.
7089         (create_deps_list, free_deps_list, delete_deps_list): Declare
7090         functions.
7091         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7092         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7093         (copy_deps_list_change_con): Ditto.
7094
7095         (move_dep_link): Declare function.
7096
7097         (struct _dep_node): New type.
7098         (dep_node_t): New typedef.
7099         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7100
7101         (struct haifa_insn_data.back_deps): New field to hold backward
7102         dependencies of the insn.
7103         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7104         to deps_list_t.
7105         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7106         Change its type to deps_list_t.
7107         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7108         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7109         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7110
7111         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7112
7113         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7114
7115         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7116         all callers.
7117         (dep_cost): Declare.
7118
7119         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7120         (ds_to_dk, dk_to_ds): New functions.
7121
7122         (init_dep_1): New static function.
7123         (init_dep): New function.
7124         (copy_dep): New static function.
7125
7126         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7127         functions.
7128         (detach_dep_link): New static function.
7129         (move_dep_link): New function.
7130
7131         (dep_links_consistent_p, dump_dep_links): New static functions.
7132         (debug_dep_links): New debugging function.
7133
7134         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7135
7136         (alloc_deps_list, init_deps_list): New static functions.
7137         (create_deps_list): New function.
7138         (clear_deps_list): New static function.
7139         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7140         (deps_list_consistent_p, dump_deps_list): New static functions.
7141         (debug_deps_list): New function.
7142         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7143         functions.
7144         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7145
7146         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7147         use new scheduler dependencies lists.
7148         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7149         (sched_analyze): Ditto.  Initialize dependencies lists.
7150         (add_forw_dep, compute_forward_dependences): Update to use new
7151         scheduler dependencies lists.
7152
7153         (init_dependency_caches): Init deps_obstack.
7154         (free_dependency_caches): Free deps_obstack.
7155
7156         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7157         new scheduler dependencies lists.
7158         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7159         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7160
7161         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7162         Update to use new scheduler dependencies lists.
7163         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7164         (debug_dependencies): Ditto.
7165         (schedule_region): Update comments.
7166
7167         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7168         scheduler dependencies lists.
7169         (schedule_ebb): Update comments.
7170
7171         * rtl.def (DEPS_LIST): Remove.
7172
7173         * lists.c (unused_deps_list): Remove.
7174         (free_list): Update assertions.
7175
7176         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7177         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7178
7179         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7180         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7181
7182         * haifa-sched.c (comments): Update.
7183         (insn_cost1): Remove.  Inline the code into insn_cost ().
7184         (insn_cost): Update to use new scheduler dependencies lists.  Move
7185         processing of the dependency cost to dep_cost ().
7186         (dep_cost): New function.  Use it instead of insn_cost () when
7187         evaluating cost of the dependency.  Use compatible interface to
7188         interact with the target.
7189         (priority): Update to use new scheduler dependencies lists.
7190         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7191         with greater number of insns that depend on the insn.
7192         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7193         code to free backward dependencies lists.  Inline and optimize code
7194         from resolve_dep () - see PR28071.
7195         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7196         lists.  Update call to targetm.sched.is_costly_dependence hook.
7197
7198         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7199         scheduler dependencies lists.
7200
7201         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7202         (init_h_i_d): Initialize dependencies lists.
7203
7204         (process_insn_depend_be_in_spec): Rename to
7205         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7206         dependencies lists.
7207         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7208         Update to use new scheduler dependencies lists.
7209         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7210
7211         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7212         new scheduler dependencies lists.
7213         (build_intra_loop_deps): Ditto.
7214
7215         * target.h (struct _dep): Declare to use in
7216         gcc_target.sched.is_costly_dependence.
7217         (struct gcc_target.sched.adjust_cost): Fix typo.
7218         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7219         single dep_t parameter instead of an equivalent triad.
7220         (struct gcc_target.sched.adjust_cost_2): Remove.
7221
7222         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7223
7224         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7225
7226         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7227         documentation.
7228         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7229
7230         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7231         (REG_DEP_TRUE): Document.
7232
7233         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7234         Change signature to correspond to the targetm.sched.adjust_cost hook.
7235         Update use in TARGET_SCHED_ADJUST_COST_2.
7236         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7237         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7238         new scheduler dependencies lists.
7239         (ia64_gen_check): Ditto.
7240
7241         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7242         dependencies lists.
7243
7244         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7245         signature to correspond to the targetm.sched.is_costly_dependence hook.
7246         (is_costly_group): Update to use new scheduler dependencies lists.
7247
7248         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7249         instead of INSN_COST () macro.
7250
7251 2007-02-01  Ian Lance Taylor  <iant@google.com>
7252
7253         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7254
7255 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7256
7257         * pa.md (tp_load): Correct mfctl instruction syntax.
7258
7259 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7260
7261         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7262         altivec_padding_size calculation on AIX.  Improve comment, add
7263         assert to verify that it's right.
7264
7265         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7266         64-bit.
7267
7268 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7269
7270         PR inline-asm/28686
7271         * global.c (global_alloc): Add mising initialization of
7272         ELIMINABLE_REGSET.
7273
7274 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7275
7276         * alias.c (init_alias_analysis): Correct whitespace.
7277         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7278         partition_hot_cold_basic_blocks): Likewise.
7279         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7280         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7281         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7282         fold_builtin_snprintf_chk, fold_builtin_printf,
7283         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7284         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7285         * cfgcleanup.c (cleanup_cfg): Likewise.
7286         * cfgexpand.c (tree_expand_cfg): Likewise.
7287         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7288         * function.c (get_next_funcdef_no): Likewise.
7289         * gengtype.c (main): Likewise.
7290         * genmodes.c (main): Likewise.
7291         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7292         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7293         * ifcvt.c (noce_emit_move_insn): Likewise.
7294         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7295         Likewise.
7296         * stor-layout.c (get_best_mode): Likewise.
7297         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7298         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7299         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7300         perform_var_substitution, solve_graph): Likewise.
7301         * tree-vrp.c (vrp_finalize): Likewise.
7302
7303 2007-02-01  Ian Lance Taylor  <iant@google.com>
7304
7305         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7306         high part of a paradoxical subreg, return a constant zero.
7307
7308 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7309
7310         * toplev.c (lang_dependent_init): Call init_set_costs.
7311         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7312
7313 2007-02-01  Richard Guenther  <rguenther@suse.de>
7314
7315         PR middle-end/30656
7316         * fold-const.c (fold_negate_expr): Allow negating a
7317         constant if overflow does not change.
7318
7319 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7320
7321         * doc/c-tree.texi (Expression trees): Improve markup.
7322         * doc/tm.texi (Register Classes, Addressing Modes)
7323         (Floating Point): Fix spacing after abbreviations.  Fix some
7324         typos.
7325
7326 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7327
7328         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7329         * doc/contrib.texi: Likewise.
7330         * doc/install.texi: Likewise.
7331
7332 2007-01-31  Richard Henderson  <rth@redhat.com>
7333             Ian Lance Taylor  <iant@google.com>
7334
7335         * lower-subreg.c: New file.
7336         * rtl.def (CONCATN): Define.
7337         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7338         pass_lower_subreg2.
7339         * emit-rtl.c (update_reg_offset): New static function, broken out
7340         of gen_rtx_REG_offset.
7341         (gen_rtx_REG_offset): Call update_reg_offset.
7342         (gen_reg_rtx_offset): New function.
7343         * regclass.c: Revert patch of 2006-03-05, restoring
7344         reg_scan_update.
7345         (clear_reg_info_regno): New function.
7346         * dwarf2out.c (concatn_loc_descriptor): New static function.
7347         (loc_descriptor): Handle CONCATN.
7348         * common.opt (fsplit_wide_types): New option.
7349         * opts.c (decode_options): Set flag_split_wide_types when
7350         optimizing.
7351         * timevar.def (TV_LOWER_SUBREG): Define.
7352         * rtl.h (gen_reg_rtx_offset): Declare.
7353         (reg_scan_update): Declare.
7354         * regs.h (clear_reg_info_regno): Declare.
7355         * tree-pass.h (pass_lower_subreg): Declare.
7356         (pass_lower_subreg2): Declare.
7357         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7358         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7359         -fsplit-wide-types.
7360         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7361         * Makefile.in (OBJS-common): Add lower-subreg.o.
7362         (lower-subreg.o): New target.
7363
7364 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7365
7366         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7367
7368 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7369
7370         PR target/19087
7371         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7372
7373 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7374
7375         PR middle-end/29335
7376         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7377
7378 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7379
7380         * cfgloop.h: Include vec-prim.h.
7381         (enum li_flags): Remove LI_ONLY_OLD.
7382         (loop_iterator): Changed.
7383         (fel_next, fel_init): Iterate over loop tree.
7384         (FOR_EACH_LOOP_BREAK): New macro.
7385         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7386         FOR_EACH_LOOP.
7387         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7388         * modulo-sched.c (sms_schedule): Ditto.
7389         * tree-vectorizer.c (vectorize_loops): Ditto.
7390         * doc/loop.texi: Update information on loop numbering and behavior of
7391         FOR_EACH_LOOP wrto new loops.
7392         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7393         add_to_evolution_1): Test nestedness of loops instead of comparing
7394         their numbers.
7395         * tree-chrec.c (chrec_fold_plus_poly_poly,
7396         chrec_fold_multiply_poly_poly, chrec_evaluate,
7397         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7398         reset_evolution_in_loop): Ditto.
7399         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7400
7401 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7402
7403         * c-common.c (warn_about_parentheses): Separate warning about
7404         un-parenthized sequence of comparison operators from the one
7405         which is supposed to warn about x <= y <= z.
7406
7407 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7408
7409         * optabs.h (enum optab_index): Add new OTI_isinf.
7410         (isinf_optab): Define corresponding macro.
7411         * optabs.c (init_optabs): Initialize isinf_optab.
7412         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7413         patterns.
7414         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7415         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7416         using isinf_optab.
7417         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7418         expand_builtin_interclass_mathfn.
7419         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7420         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7421         (fxam<mode>2_i387): New insn pattern.
7422         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7423         built-in functions as x87 inline asm.
7424
7425 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7426
7427         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7428
7429 2007-01-30  Eric Christopher  <echristo@apple.com>
7430
7431         * config.gcc: Add geode.
7432
7433 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7434
7435         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7436         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7437         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7438         value-prof.c: Fix comment typos.
7439
7440 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7441
7442         PR c++/24745
7443         * doc/invoke.texi (Wpointer-arith): Document warning.
7444
7445 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7446
7447         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7448         the list of discrepancies from the draft TR.
7449
7450 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7451
7452         PR c++/30601
7453         * doc/invoke.texi (-Wreturn-type): Update description to
7454         match new behavior.
7455
7456 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7457
7458         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7459
7460 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7461
7462         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7463         to handle optabs that operate on floating point input argument and
7464         output to integer output.
7465         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7466         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7467         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7468         expand_builtin_interclass_mathfn ().
7469         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7470         (ilogbsi2): Remove.
7471         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7472         ilogbl built-in functions as x87 intrinsics.
7473
7474 2007-01-30  Richard Guenther  <rguenther@suse.de>
7475
7476         PR middle-end/27657
7477         * dwarf2out.c (reference_to_unused): Query varpool if the
7478         variable was output.
7479
7480 2007-01-30  Richard Guenther  <rguenther@suse.de>
7481
7482         PR middle-end/30313
7483         * passes.c (execute_one_pass): Reset in_gimple_form to not
7484         confuse non-unit-at-a-time mode.
7485
7486 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7487             Richard Guenther  <rguenther@suse.de>
7488
7489         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7490         avoid undefined behaviour on overflow.  Use force_fit_type_double
7491         to construct the constant with the specified TREE_OVERFLOW.
7492
7493 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7494
7495         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7496         * config/dfp-bit.h: Ditto.
7497
7498 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7499
7500         * c-decl.c (pop_scope): Replace warnings with call to
7501         warn_for_unused_label.
7502         * c-common.h (warn_for_unused_label): Declare.
7503         * c-common.c (warn_for_unused_label): Define.
7504
7505 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7506
7507         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7508         function.
7509
7510 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7511
7512         * Makefile.in (USER_H): Remove decfloat.h.
7513         * ginclude/decfloat.h: Delete, moving contents to ...
7514         * ginclude/float.h: Add support for decimal floating point,
7515         guarded by __STDC_WANT_DEC_FP__.
7516
7517 2007-01-29  Mike Stump  <mrs@apple.com>
7518
7519         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7520         Analysis and Representation to resolve case insensitive conflict.
7521         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7522
7523 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7524
7525         * tree.h (struct tree_memory_tag): Add aliases member.
7526         (MTAG_ALIASES): New macro.
7527         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7528         (add_may_alias): Remove pointer-set. Update for may_aliases being
7529         a bitmap.
7530         (mark_aliases_call_clobbered): Update for may_aliases being a
7531         bitmap.
7532         (compute_tag_properties): Ditto.
7533         (create_partition_for): Ditto.
7534         (compute_memory_partitions): Ditto.
7535         (dump_may_aliases_for): Ditto.
7536         (is_aliased_with): Ditto.
7537         (add_may_alias_for_new_tag): Ditto.
7538         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7539         (compute_is_aliased): New function.
7540         (compute_may_aliases): Call compute_is_aliased).
7541         (init_alias_info): Initialize alias_bitmap_obstack.
7542         (union_alias_set_into): New function.
7543         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7544         (have_common_aliases_p): Rewrite to take two bitmaps and use
7545         intersection.
7546         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7547         Update for bitmaps.
7548         (finalize_ref_all_pointers): Update for add_may_alias changes.
7549         (new_type_alias): Ditto.
7550         * tree-flow-inline.h (may_aliases): Return a bitmap.
7551         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7552         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7553         may_aliases being a bitmap.
7554         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7555         may_aliases now returns a bitmap.
7556         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7557         being a bitmap.
7558         * tree-ssa-operands.c (add_virtual_operand): Update for
7559         may_aliases being a bitmap.
7560
7561 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7562
7563         PR tree-optimization/30630
7564         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7565         variable as changed.
7566
7567 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7568
7569         PR c++/28266
7570         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7571         expanded only once even if an error occurs.
7572
7573 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7574
7575         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7576         (__gcov_average_profiler): Likewise.
7577         (__gcov_ior_profiler): Likewise.
7578         (__gcov_merge_ior): Likewise.
7579
7580 2007-01-28  Jan Hubicka  <jh@suse.cz>
7581
7582         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7583         * value-prof.c (stringop_block_profile): Likewise.
7584
7585 2007-01-28  Jan Hubicka  <jh@suse.cz>
7586
7587         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7588         variant handling histograms; add wrapper.
7589         (clear_storage_via_libcall): Export.
7590         (emit_block_move_hints): Break out from ...; add histograms.
7591         (emit_block_move): ... this one.
7592         (clear_storage_hints): Break out from ...; add histograms.
7593         (clear_storage): ... this one.
7594         (set_storage_via_memset): Handle histogram.
7595         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7596         (clear_storage_hints, clear_storage_via_libcall): Declare.
7597         (set_storage_via_setmem): Update prototype.
7598         * doc/md.texi (movmem, setmem): Document new arguments.
7599
7600         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7601         new histograms.
7602         (stringop_block_profile): New global function.
7603         (tree_stringops_values_to_profile): Profile block size and alignment.
7604         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7605         HIST_TYPE_IOR.
7606         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7607         (stringop_block_profile): Declare.
7608         * builtins.c: Include value-prof.h.
7609         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7610         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7611         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7612         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7613         * profile.c (instrument_values): Add new counters.
7614         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7615         calls.
7616         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7617         (tree_init_edge_profiler): Build new profilers.
7618         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7619         (pass_tree_profile): Add dump.
7620         (tree_profile_hooks): Update.
7621         * Makefile.in (LIBGCOV): Add new constants.
7622         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7623         __gcov_ior_profiler): New.
7624         * i386.md (movmem/setmem expanders): Add new optional arguments.
7625
7626 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7627
7628         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7629
7630 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7631
7632         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7633         (tree_unswitch_single_loop): Pass eni_size_weights to
7634         tree_num_loop_insns.
7635         * tree-ssa-loop-manip.c: Include tree-inline.h.
7636         (can_unroll_loop_p): Pass eni_size_weights to
7637         tree_num_loop_insns.
7638         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7639         Pass eni_size_weights to estimate_num_insns.
7640         * tree.h (init_inline_once): Export.
7641         * toplev.c (backend_init): Call init_inline_once.
7642         * cgraphunit.c (cgraph_process_new_functions,
7643         cgraph_analyze_function): Pass eni_inlining_weights to
7644         estimate_num_insns.
7645         * ipa-inline.c (compute_inline_parameters): Ditto.
7646         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7647         to estimate_num_insns.
7648         (try_unroll_loop_completely): Pass eni_size_weights to
7649         tree_num_loop_insns.
7650         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7651         ot estimate_num_insns.
7652         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7653         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7654         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7655         eni_time_weights): New variables.
7656         (init_inline_once): Initialize them.
7657         (struct eni_data): Mew.
7658         (estimate_num_insns_1, estimate_num_insns): Use weights.
7659         * tree-inline.h (struct eni_weights_d): New.
7660         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7661         (estimate_num_insns): Declaration changed.
7662         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7663         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7664         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7665
7666 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7667
7668         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7669         relations in the conflict function is valid.
7670
7671 2007-01-27  Ian Lance Taylor  <iant@google.com>
7672
7673         * common.opt: Add fstrict-overflow.
7674         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7675         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7676         (TYPE_OVERFLOW_UNDEFINED): Define.
7677         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7678         Replace all uses.
7679         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7680         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7681         (fold_negate_expr): Likewise.
7682         (make_range): Likewise.
7683         (extract_muldiv_1): Likewise.
7684         (maybe_canonicalize_comparison): Likewise.
7685         (fold_comparison): Likewise.
7686         (fold_binary): Likewise.
7687         (tree_expr_nonnegative_p): Likewise.
7688         (tree_expr_nonzero_p): Likewise.
7689         * tree-vrp.c (compare_values): Likewise.
7690         (extract_range_from_binary_expr): Likewise.
7691         (extract_range_from_unary_expr): Likewise.
7692         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7693         Likewise.
7694         (nowrap_type_p): Likewise.
7695         * tree-scalar-evolution.c (simple_iv): Likewise.
7696         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7697         (build_range_check): Likewise.
7698         (extract_muldiv_1): Likewise.
7699         (fold_comparison): Likewise.
7700         * tree-vrp.c (vrp_int_const_binop): Likewise.
7701         (extract_range_from_unary_expr): Likewise.
7702         * convert.c (convert_to_integer): Likewise.
7703         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7704         (fold_comparison): Likewise.
7705         (fold_binary): Likewise.
7706         * optabs.c (optab_for_tree_code): Likewise.
7707         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7708         * simplify-rtx.c (simplify_const_relational_operation): Check
7709         flag_strict_overflow and flag_trapv.
7710         (simplify_const_relational_operation): Likewise.
7711         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7712         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7713         -fstrict-overflow.
7714
7715 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7716
7717         * tree.c (tree_fold_gcd): Delete.
7718         * tree.h (tree_fold_gcd): Remove prototype.
7719         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7720         test whether one constant integer is a multiple of another.  Instead
7721         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7722         * fold-const.c (multiple_of_p):  We've determined both TOP and
7723         BOTTOM are integer constants so we can call int_const_binop directly
7724         instead of the more generic const_binop.
7725
7726 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7727
7728         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7729         1*X check that the constant hasn't overflowed, to preserve the
7730         TREE_OVERFLOW bit.
7731         (round_up): Provide an efficient implementation when rouding-up an
7732         INTEGER_CST to a power-of-two.
7733
7734 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7735
7736         * doc/sourcebuild.texi: Add comma for clarity.
7737         * doc/extend.texi: Fix some typos.
7738         * doc/passes.texi: Likewise.
7739         * doc/cppinternals.texi: Likewise.
7740         * doc/c-tree.texi: Likewise.
7741         * doc/tree-ssa.texi: Likewise.
7742         * doc/install.texi: Likewise.
7743
7744 2007-01-27  Jan Hubicka  <jh@suse.cz>
7745
7746         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7747         (pass_sra): Do not require alias information.
7748         * passes.c (init_optimization_passes): Add SRA
7749
7750 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7751
7752         * tracer.c (rest_of_handle_tracer): We already cleaned
7753         up the CFG in tracer() so don't do it here again.
7754         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7755         cleanup_cfg here, either.  And don't call renumber_insns.
7756
7757         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7758         and BB_HEAD are in the insn stream here.  Instead make sure
7759         that BB_INSN is valid on all insns.  Also, do check here that
7760         there are no pending branch predictions...
7761         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7762         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7763         here.
7764
7765 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7766
7767         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7768         function to simplify/factorize operand order canonicalization.
7769         (ix86_fixup_binary_operands): Reorganize using the above function.
7770         (ix86_binary_operator_ok): Likewise.
7771
7772 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7773
7774         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7775         file scope from optimize_attrs.
7776         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7777         up search.
7778         (optimize_attrs): Clear insn_code_values after freeing it.
7779
7780 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7781
7782         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7783         a parts.base assignment.
7784
7785 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7786
7787         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7788         (compute_subscript_distance, initialize_data_dependence_relation,
7789         finalize_ddr_dependent, analyze_ziv_subscript,
7790         analyze_siv_subscript_cst_affine,
7791         compute_overlap_steps_for_affine_univar,
7792         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7793         analyze_siv_subscript, analyze_miv_subscript,
7794         analyze_overlapping_iterations, subscript_dependence_tester_1,
7795         compute_self_dependence, free_dependence_relation): Work
7796         with affine_fn instead of chrecs.
7797         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7798         common_affine_function, affine_function_base,
7799         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7800         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7801         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7802         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7803         (all_chrecs_equal_p): Removed.
7804         * tree-data-ref.h (affine_fn, conflict_function): New types.
7805         (struct subscript): Change type of conflicting_iterations_in_a
7806         and conflicting_iterations_in_b.
7807
7808 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7809
7810         PR other/30182
7811         * config/pa/pa.h (TARGET_HPUX_11): New.
7812         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7813         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7814
7815 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7816         Richard Guenther  <rguenther@suse.de>
7817
7818         * tree-ssa-structalias.c (solve_graph): Handle case
7819         we merged the variable to another.
7820
7821 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7822
7823         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7824         functions.
7825
7826         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7827         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7828
7829 2007-01-25  DJ Delorie  <dj@redhat.com>
7830
7831         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7832         allow changes to modes which don't fit in those registers.
7833
7834         * reload1.c (choose_reload_regs): Check for invalid subregs before
7835         computing their locations, not after.
7836
7837 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7838
7839         PR 25127
7840         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7841         save Altivec registers in an eh_return function.
7842         (compute_vrsave_mask): Likewise.
7843         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7844         for saving Altivec registers.
7845         (rs6000_emit_prologue): Don't allocate stack twice in
7846         eh_return function.  Correct expected value of altivec_save_offset
7847         when using save_world.  Describe save of R0 to stack when using
7848         save_world.  Describe stack pointer adjustment when using
7849         save_world.  Remove duplicated eh_return parameter register saving.
7850         Update sp_offset variable after save_world.
7851         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7852         darwin-world.asm.
7853         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7854         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7855         implies Altivec.
7856
7857 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7858
7859         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7860
7861 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7862
7863         PR other/30182
7864         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7865         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7866
7867 2007-01-25  Richard Guenther  <rguenther@suse.de>
7868
7869         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7870         * common.opt (-Wcoverage-mismatch): New warning option.
7871         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7872         if -Wcoverage-mismatch is given.
7873
7874 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7875
7876         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7877         (ipcp_driver): Change to static definition.
7878         Add dumping of the ifunctions.
7879         (constant_val_insert): Remove unused parameter. Support for SSA.
7880         (ipcp_propagate_const): Support for SSA.
7881         (ipcp_profile_bb_print): Print only analyzed nodes.
7882         (ipcp_replace_map_create): Remove support for Fortran constant
7883         for now.
7884         * ipa-prop.c (ipa_method_modify_stmt,
7885         ipa_callsite_compute_param): Support for SSA.
7886         * ipa-prop.h (ipcp_driver): Remove declaration.
7887         (IS_VALID_TREE_MAP_INDEX): Add define.
7888
7889 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7890
7891         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7892
7893 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7894
7895         PR middle-end/30447
7896         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7897         constant argument to cabs and do it without checking for
7898         -funsafe-math-optimizations.
7899
7900 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7901
7902         * c-common.h (RID_FIRST_CXX0X): New.
7903         (RID_LAST_CXX0X): New.
7904         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7905         by -Wall.
7906         * c.opt (Wc++0x-compat): New.
7907         * doc/invoke.texi (-Wc++0x-compat): Document.
7908
7909 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7910
7911         * builtins.c (fold_builtin_carg): New.
7912         (fold_builtin_1): Use it.
7913
7914 2007-01-24  Jan Hubicka  <jh@suse.cz>
7915
7916         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7917
7918         * ipa-inline.c (initial_insns, max_insns): Delete.
7919         (compute_max_insns): New function.
7920         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7921         of insns as base for code growth.
7922         (cgraph_decide_inlining): Make initial_insns local; do not compute
7923         max_insns.
7924         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
7925         * doc/invoke.texi (inline-unit-growth): Update docs.
7926
7927 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
7928
7929         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
7930         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
7931         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
7932         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
7933         for CPUs that have PTA_CX16 set.
7934
7935         PR middle-end/27416
7936         * gimplify.c (omp_check_private): New function.
7937         (gimplify_scan_omp_clauses): Use it for
7938         firstprivate/lastprivate/reduction.
7939
7940         PR middle-end/30494
7941         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
7942         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
7943
7944         PR middle-end/30421
7945         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
7946         If lower_lastprivate_clauses emits some statements, append them
7947         to dlist rather than body_p and to body_p append an initializer.
7948         (lower_omp_for): Adjust caller.
7949
7950 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
7951
7952         * target.h (globalize_decl_name): New.
7953         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7954         * output.h (default_globalize_decl_name): New.
7955         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
7956         globalize_label.
7957         (globalize_decl): Ditto.
7958         (default_globalize_decl_name): New.
7959         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
7960         (ia64_handle_version_id_attribute): New.
7961         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
7962         (ia64_asm_output_external): Use globalize_decl_name instead
7963         of globalize_label.
7964         * doc/extend.texi (version_id): New pragma.
7965         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
7966
7967 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7968
7969         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
7970         _uleb128_t and _Unwind_SWord with _sleb128_t.
7971         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
7972         uw_frame_state_for, uw_update_context_1): Likewise.
7973         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
7974         * unwind-pe.h (read_uleb128, read_sleb128,
7975         read_encoded_value_with_base): Likewise.
7976         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
7977
7978 2007-01-24  Richard Guenther  <rguenther@suse.de>
7979
7980         * builtins.c (expand_builtin_cexpi): Get the fndecl
7981         for cexp in the correct way.
7982
7983 2007-01-24  Jan Hubicka  <jh@suse.cz>
7984
7985         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
7986
7987 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7988
7989         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
7990         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
7991         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
7992         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
7993         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
7994         __SIZEOF_PTRDIFF_T__.
7995         * doc/cpp.texi: Documentation for the new builtin macros added.
7996
7997 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
7998
7999         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8000         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8001         instead of operands[2] to avoid access past the end of array.
8002
8003 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8004
8005         * reload1.c (emit_reload_insns): Pass the reload register
8006         for a non-spill output reload through forget_old_reloads_1.
8007
8008 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8009
8010         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8011         _SOFT_DOUBLE if doubles use software floating-point.
8012         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8013         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8014         * config/rs6000/darwin-ldouble.c: Also compile functions for
8015         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8016         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8017         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8018         commented-out long double override.
8019         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8020         * config/rs6000/eabispe.h: Likewise.
8021         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8022         long double for non-SPE.
8023         (rs6000_handle_option): Likewise.
8024         (invalid_e500_subreg): Disallow more subregs involding DImode,
8025         DFmode, TImode or TFmode.
8026         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8027         E500 double.
8028         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8029         double.
8030         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8031         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8032         double.
8033         (rs6000_legitimate_address): Also check for TFmode for E500
8034         double.
8035         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8036         (spe_build_register_parallel): Handle TFmode and TCmode.
8037         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8038         double.
8039         (function_arg): Handle TFmode and TCmode for E500 double.
8040         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8041         in general.
8042         (print_operand): Handle TFmode and TImode for %y.
8043         (rs6000_generate_compare): Handle TFmode comparisons for E500
8044         double.
8045         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8046         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8047         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8048         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8049         TFmode for E500 double.
8050         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8051         (floatsidf2): Enable for E500 double.
8052         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8053         (extenddftf2): Change to extenddftf2_fprs.
8054         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8055         depending on TARGET_E500_DOUBLE.
8056         (extendsftf2): Enable for E500 double.
8057         (trunctfdf2): Enable for E500 double.
8058         (trunctfsf2): Change to trunctfsf2_fprs.
8059         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8060         depending on TARGET_E500_DOUBLE.
8061         (floatsitf2): Enable for E500 double.
8062         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8063         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8064         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8065         (negtf2): Change to negtf2_internal.
8066         (negtf2): New expander.
8067         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8068         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8069         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8070         (movdi_internal32): Use rs6000_nonimmediate_operand.
8071         (unnamed splitter): Likewise.
8072         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8073         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8074         (SPE64TF, DITI): New mode macros.
8075         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8076         modes.
8077         (frob_tf_ti): New.
8078         (frob_<mode>_di_2): New.
8079         (frob_tf_di_8_2): New.
8080         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8081         (frob_ti_tf): New.
8082         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8083         more modes.
8084         (frob_ti_<mode>_8_2): New.
8085         (frob_ti_tf_2): New.
8086         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8087         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8088         TFmode.
8089         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8090         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8091         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8092         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8093         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8094         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8095         tsttflt_gp): New.
8096
8097 2007-01-23  Ian Lance Taylor  <iant@google.com>
8098
8099         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8100         insn-*.o first.
8101         (OBJS-archive): Reformat, alphabetize.
8102         (OBJS): Change out_object_file to OBJS-md.
8103
8104 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8105
8106         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8107         JUMP_P and CALL_P predicates where applicable.
8108         * config/i386/i386.c: Ditto.
8109         * config/i386/i386.md: Ditto.
8110         * config/i386/mmx.md: Ditto.
8111         * config/i386/predicates.md: Ditto.
8112
8113 2007-01-22  Andreas Schwab  <schwab@suse.de>
8114
8115         * config/m68k/m68k.h: Fix comment.
8116
8117 2007-01-22  Jan Hubicka  <jh@suse.cz>
8118
8119         * passes.c (init_optimization_passes): Do not rerun
8120         pass_early_warn_uninitialized.
8121
8122 2007-01-22  Richard Guenther  <rguenther@suse.de>
8123
8124         PR tree-optimization/30038
8125         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8126         function.
8127         (execute_cse_sincos_1): Likewise.
8128         (execute_cse_sincos): Likewise.
8129         (gate_cse_sincos): Likewise.
8130         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8131         the cexpi() canonicalization of sincos().
8132         * tree-pass.h (pass_cse_sincos): Declare.
8133         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8134
8135 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8136
8137         PR rtl-optimization/29329
8138         * combine.c (replaced_rhs_insn): Rename to i2mod.
8139         (replaced_rhs_value): Rename to i2mod_new_rhs.
8140         (i2mod_old_rhs): New global variable.
8141         (combine_instructions): Adjust for above change.  Save a copy of
8142         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8143         note are substituted in the second instruction.
8144         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8145         ditch the note if it pertains to the second eliminated register
8146         and this register is mentioned in i2mod_old_rhs.
8147
8148         Revert:
8149         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8150
8151         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8152         the insn to which the note was originally attached.
8153
8154 2007-01-21  Jan Hubicka  <jh@suse.cz>
8155
8156         * ipa-inline.c (inlining_mode): Comment, move up.
8157         (cgraph_decide_inlining_incrementally): Do not perform inlining
8158         itself; fix handling of flattening of self recursive functions.
8159         (cgraph_find_cycles): Remove.
8160         (cgraph_flatten_node): Remove.
8161         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8162         (try_inline): New function.
8163         (cgraph_early_inlining): Update call of
8164         cgraph_decide_inlining_incrementally.  Apply inlining here.
8165         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8166
8167 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8168
8169         PR bootstrap/30511
8170         * tree-vrp.c (check_array_bounds): do not warn
8171         about ADDR_EXPR's of ARRAY_REF's which are immediately
8172         used in binary expressions.
8173
8174 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8175
8176         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8177         read_write_dep and macros for its access.
8178         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8179         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8180         argument, call vect_check_interleaving for every independent pair of
8181         data-refs. Mark loads that access the same memory location as a store
8182         in the loop.
8183         (vect_check_dependences): Remove.
8184         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8185         call, fix the call to vect_analyze_data_ref_dependence.
8186         (vect_analyze_data_ref_access): For statements that access the same
8187         data-ref, check that they are not stores; for loads, check that there
8188         is no store that access the same location.
8189
8190 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8191             Joseph Myers  <joseph@codesourcery.com>
8192
8193         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8194         (-fdump-rtl-stack): Likewise.
8195         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8196         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8197         (-mpt-fixed): Use @minus{} for minus sign.
8198         (Using Precompiled Headers): Fix under/overfull hbox.
8199
8200 2007-01-20  Jan Hubicka  <jh@suse.cz>
8201
8202         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8203         place within annotation.
8204
8205 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8206
8207         * pa.c (output_move_double): Change array size of xoperands to 4.
8208
8209 2007-01-20  Jan Hubicka  <jh@suse.cz>
8210
8211         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8212         as temporary.
8213
8214 2007-01-19  Ian Lance Taylor  <iant@google.com>
8215
8216         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8217         constant to unsigned HOST_WIDE_INT before negating.
8218
8219 2007-01-19  Ian Lance Taylor  <iant@google.com>
8220
8221         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8222         to unsigned.
8223         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8224         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8225         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8226         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8227         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8228         (realloc_vdef, realloc_vuse): Change second parameter to
8229         unsigned.
8230         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8231         fields to unsigned.
8232         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8233         unsigned. Change x and lim locals to unsigned.
8234         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8235         unsigned.
8236         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8237         (copy_virtual_operands): Change i and n locals to unsigned.
8238
8239 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8240
8241         PR middle-end/29335
8242         * builtins.c (fold_builtin_1): Handle builtin fdim.
8243
8244 2007-01-20  Jan Hubicka  <jh@suse.cz>
8245
8246         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8247         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8248         init_alias_heapvars.
8249         (init_alias_heapvars): Initialize only when not already initialized.
8250         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8251
8252 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8253
8254         * common.opt (fsigned-zeros): New command line option.
8255         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8256         of flag_unsafe_math_optimizations.
8257         * opts.c (set_fast_math_flags): The -ffast-math command line option
8258         implies -fno-signed-zeros.
8259         (fast_math_flags_set_p): Likewise.
8260
8261         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8262         the documentation of -ffast-math appropriately.  Wrap long lines.
8263
8264 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8265
8266         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8267         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8268
8269 2007-01-19  Tomas Bily  <tbily@suse.cz>
8270
8271         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8272         * tree-profile.c:
8273         (tree_init_ic_make_global_vars): New function
8274         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8275         (tree_gen_ic_profiler): New function
8276         (tree_gen_ic_func_profiler): New function
8277         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8278         (tree_profile_hooks): Added hook for indirec/virtual calls
8279         * value-prof.c (tree_find_values_to_profile): New case for
8280         indirect calls
8281         (tree_values_to_profile): Call for determining indirect/virtual
8282         counters
8283         (tree_indirect_call_to_profile): New function
8284         (tree_ic_transform): New function
8285         (tree_ic): New function
8286         (find_func_by_pid): New function
8287         (init_pid_map): New function
8288         (tree_value_profile_transformations): Added check for
8289         indirect/virtual call transformation
8290         * value-prof.h (enum hist_type): New counter type for
8291         indirect/virtual calls
8292         (profile_hooks): Added new hook for profiling indirect/virtual
8293         calls
8294         * profile.c (instrument_values): New case for indirect/virtual
8295         call added
8296         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8297         (GCOV_COUNTER_V_INDIR): New counter type
8298         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8299         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8300         call added
8301         * cgraph.c: Definition of cgraph_max_pid
8302         (cgraph_create_node): Default init of pid attribute
8303         * cgraph.h: Declaration of cgraph_max_pid
8304         (struct cgraph_node): Added pid attribute
8305         * libgcov.c (__gcov_indirect_call_profiler): New function
8306         (__gcov_one_value_profiler_body): New function
8307         (__gcov_one_value_profiler): Body was moved to
8308         __gcov_one_value_profiler_body and calls it
8309
8310 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8311
8312         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8313         * gengtype.c (write_types_data, write_func_for_structure,
8314         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8315         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8316         (walk_type, write_func_for_structure): Generate the mark_hook if
8317         needed.
8318
8319 2007-01-19  Jan Hubicka  <jh@suse.cz>
8320
8321         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8322         'early' argument take inlining mode argument specifying whether to
8323         inline for size/speeed or all functions; add support for flattening;
8324         improve dumpting.
8325         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8326
8327 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8328
8329         PR c++/17947
8330         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8331         the name of the declared identifier.
8332
8333 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8334
8335         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8336         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8337         duplicate evaluation.
8338
8339 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8340
8341         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8342         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8343         to XFMode, use acosxf2 and truncate result to requested mode.
8344         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8345         (asin<mode>2): Similarly, with asin expanders.
8346         (*fscalexf4_i387): Rename from *fscalexf4.
8347         (expNcorexf3): New expander.
8348         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8349         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8350         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8351         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8352         patterns for SSE math.
8353         (exp10<mode>2): Similarly, with exp10 expanders.
8354         (exp2<mode>2): Similarly, with exp2 expanders.
8355         (expm1<mode>2): Similarly, with expm1 expanders.
8356         (ldexp<mode>3): Similarly, with ldexp expanders.
8357         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8358         Use gen_truncxf<mode>2_i387_noop to truncate result.
8359
8360 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8361
8362         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8363         for ColdFire targets.
8364
8365 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8366             Richard Sandiford  <richard@codesourcery.com>
8367
8368         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8369         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8370         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8371         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8372         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8373         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8374
8375 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8376
8377         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8378         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8379         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8380         (*adddi_dilshr32_cf): New pattern.
8381         (adddi3, subdi3): Remove first alternatives.
8382
8383 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8384
8385         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8386         implemented using move.l, do not use its cc result for floating-point
8387         comparisons.
8388
8389 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8390
8391         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8392         from accepting 's' constraints if flag_pic.
8393
8394 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8395
8396         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8397         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8398         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8399         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8400
8401 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8402
8403         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8404         ColdFire alternatives.
8405         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8406         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8407         architectures that support ff1 instruction.
8408
8409 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8410             Julian Brown  <julian@codesourcery.com>
8411
8412         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8413         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8414         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8415         Add commentary.
8416
8417 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8418
8419         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8420         and return a bool.
8421         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8422         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8423         HOST_WIDE_INT instead of an rtx.
8424         (m68k_rtx_costs): Update call accordingly.
8425         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8426         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8427         Return a bool.
8428         (output_move_simode_const): Update calls after above changes.
8429         Rework to use automatic variables and predicates like MEM_P.
8430         * config/m68k/m68k.md (pushexthisi_const): Update call to
8431         valid_mov3q_const.
8432
8433 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8434
8435         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8436         in dump_flags test.
8437
8438 2007-01-19  Richard Guenther  <rguenther@suse.de>
8439
8440         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8441         via cexp in case sincos is not available.
8442
8443 2007-01-19  Richard Guenther  <rguenther@suse.de>
8444
8445         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8446         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8447         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8448         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8449         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8450         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8451         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8452         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8453
8454 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8455
8456         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8457         New insn patterns.
8458         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8459         (atan2xf3): Directly generate RTL pattern.
8460         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8461         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8462         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8463         disable patterns for SSE math.
8464         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8465         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8466         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8467         disable patterns for SSE math.
8468
8469 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8470
8471         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8472
8473 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8474
8475         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8476         VIEW_CONVERT_EXPR to the same type as it's operand.
8477
8478 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8479
8480         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8481         configured for long double 128.
8482
8483 2007-01-18  Mike Stump  <mrs@apple.com>
8484
8485         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8486         error.
8487
8488 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8489
8490         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8491         type correct.
8492
8493 2007-01-18  Jan Hubicka  <jh@suse.cz>
8494
8495         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8496         greater than NUM_VOP_FREE_BUCKETS.
8497
8498 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8499
8500         * tree-ssa-structalias.c: Update comments.
8501         (ptabitmap_obstack): Removed.
8502         (pta_obstack): New.
8503         (oldpta_obstack): Ditto.
8504         (stats): Add a few members.
8505         (struct variable_info): Remove node, complex, address_taken, and
8506         indirect_target members. Add oldsolution member.
8507         (new_var_info): Do not initialize removed members.
8508         (constraint_expr_type): Remove INCLUDES.
8509         (constraint_graph): Add size, implicit_preds, rep,
8510         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8511         (FIRST_REF_NODE): New macro.
8512         (LAST_REF_NODE): Ditto.
8513         (FIRST_ADDR_NODE): Ditto.
8514         (find): New function.
8515         (unite): Ditto.
8516         (dump_constraint): Do not handle INCLUDES.
8517         (insert_into_complex): Do not insert duplicate constraints.
8518         (condense_varmap_nodes): Renamed and rewritten into ...
8519         (merge_node_constraints): This. Also fix bug in handling of
8520         offseted copy constraints.
8521         (clear_edges_for_node): No longer need to deal with preds at all,
8522         or removing associated preds/succs.
8523         (merge_graph_nodes): Deal with indirect_cycles.
8524         Don't deal with predecessors.
8525         (add_implicit_graph_edge): New function.
8526         (add_pred_graph_edge): Ditto.
8527         (add_graph_edge): Don't deal with predecessors.
8528         (build_constraint_graph): Removed.
8529         (build_pred_graph): New function.
8530         (build_succ_graph): Ditto.
8531         (struct scc_info): Removed in_component. Added roots, dfs, and
8532         node_mapping. Remove visited_index, unification_queue.
8533         (scc_visit): Deal with union-find we do now.
8534         Deal with cycles with REF nodes.
8535         (collapse_nodes): Renamed and rewritten to ...
8536         (unify_nodes): This.
8537         (process_unification_queue): Removed.
8538         (topo_visit): Cleanup
8539         (do_da_constraint): Use find.
8540         (do_sd_constraint): Ditto.
8541         (do_ds_constraint): Ditto.
8542         (do_complex_constraint): Ditto.
8543         (init_scc_info): Update for removed and added members.
8544         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8545         (find_indirect_cycles): This.
8546         (equivalence_class): New variable.
8547         (label_visit): New function.
8548         (perform_variable_substitution): Rewritten.
8549         (free_var_substitution_info): New function.
8550         (find_equivalent_node): Ditto.
8551         (move_complex_constraints): Ditto.
8552         (eliminate_indirect_cycles): Ditto.
8553         (solve_graph): Only propagate changed bits.
8554         Use indirect cycle elimination.
8555         Use find.
8556         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8557         (tree_id_eq): Renamed to ...
8558         (tree_vi_eq): This. Update for member change
8559         (insert_id_for_tree): Renamed and rewritten to ...
8560         (insert_vi_for_tree): This.
8561         (lookup_id_for_tree): Renamed and rewritten to ...
8562         (lookup_vi_for_tree): This.
8563         (get_id_for_tree): Renamed and rewritten to ...
8564         (get_vi_for_tree): Ditto.
8565         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8566         (process_constraint): Don't handle INCLUDES.
8567         Remove special ADDRESSOF case.
8568         (find_func_aliases): Rewrite to use vi functions instead of id
8569         ones.
8570         (create_function_info_for): Ditto.
8571         (create_variable_info_for): Ditto.
8572         (intra_create_variable_infos): Ditto.
8573         (merge_smts_into): Ditto.
8574         (find_what_p_points_to): Ditto.
8575         (init_base_vars): Ditto.
8576         (init_alias_vars): Ditto.
8577         (remove_preds_and_fake_succs): New function.
8578         (dump_sa_points_to_info): Dump new stats.
8579         (dump_solution_for_var): Use find.
8580         (set_used_smts): Fix formatting.
8581         (compute_points_to_sets): Updated for new functions.
8582         (ipa_pta_execute): Ditto.
8583
8584 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8585             Richard Sandiford  <richard@codesourcery.com>
8586
8587         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8588         parallels.
8589         * calls.c (expand_call): If the return value is a PARALLEL,
8590         extract its first member.
8591         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8592         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8593         use FUNCTION_EXTRA_EPILOGUE.
8594         (m68k_function_value): Return a PARALLEL if the return value
8595         is of a pointer type.
8596         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8597         (FUNCTION_EXTRA_EPILOGUE): Remove.
8598         * config/m68k/m68k.md (D0_REG): New constant.
8599
8600 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8601
8602         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8603         output a NOP for empty epilogues.
8604
8605 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8606
8607         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8608         before function.  Extend register save check to include all
8609         registers, not just integer ones.
8610
8611 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8612
8613         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8614         (m68k_use_return_insn): ...this.
8615         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8616         * config/m68k/m68k.c (use_return_insn): Rename to...
8617         (m68k_use_return_insn): ...this.
8618         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8619         of USE_RETURN_INSN.
8620
8621 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8622
8623         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8624         nearest even, fix denormal rounding overflow.
8625
8626 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8627
8628         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8629         f%$smove and f%$move.
8630         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8631         (extendsfdf2_cf): Use fdmove instead of f%&move.
8632         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8633         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8634
8635 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8636
8637         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8638         GPR<-GPR moves.
8639
8640 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8641
8642         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8643         (coldfire_single_format): Declare.
8644         (coldfire_double_format): Likewise.
8645         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8646         of qnan_msb_set to determine the lower bits of a canonical
8647         NaN significand.
8648         (encode_ieee_double): Likewise.
8649         (encode_ieee_quad): Likewise.
8650         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8651         (mips_single_format): Likewise.
8652         (ieee_double_format): Likewise.
8653         (mips_double_format): Likewise.
8654         (ieee_extended_motorola_format): Likewise.
8655         (ieee_extended_intel_96_format): Likewise.
8656         (ieee_extended_intel_128_format): Likewise.
8657         (ieee_extended_intel_96_round_53_format): Likewise.
8658         (ibm_extended_format): Likewise.
8659         (mips_extended_format): Likewise.
8660         (ieee_quad_format): Likewise.
8661         (mips_quad_format): Likewise.
8662         (vax_f_format): Likewise.
8663         (vax_d_format): Likewise.
8664         (vax_g_format): Likewise.
8665         (i370_single_format): Likewise.
8666         (i370_double_format): Likewise.
8667         (decimal_single_format): Likewise.
8668         (decimal_double_format): Likewise.
8669         (decimal_quad_format): Likewise.
8670         (c4x_single_format): Likewise.
8671         (c4x_extended_format): Likewise.
8672         (real_internal_format): Likewise.
8673         (coldfire_single_format): New real_format.
8674         (coldfire_double_format): Likewise.
8675         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8676         canonical_nan_lsbs_set.
8677         (pdp11_d_format): Likewise.
8678         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8679         if TARGET_COLDFIRE_CPU.
8680
8681 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8682
8683         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8684         (output_call, m68k_legitimize_call_address): Declare.
8685         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8686         parenthesees.  Add support for a 'W' constraint.
8687         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8688         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8689         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8690         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8691         variables.
8692         (override_options): Initialize them.  Do not set flag_no_function_cse
8693         for TARGET_ID_SHARED_LIBRARY.
8694         (m68k_output_pic_call): Delete.
8695         (m68k_legitimize_call_address): New function.
8696         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8697         (output_call): New function.
8698         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8699         target address from the GOT if symbolic jumps are not allowed.
8700         * config/m68k/m68k.md (call, general_operand): Do not set
8701         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8702         Merge separate flag_pic and !flag_pic define_insns into...
8703         (*call, *call_value): ...these new patterns.  Match the address
8704         rather than the containing MEM and require it to be a call_operand.
8705         Use output_call to generate the asm template.
8706         * config/m68k/predicates.md (const_call_operand): New predicate.
8707         (call_operand): Likewise.
8708
8709 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8710
8711         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8712         (STACK_GROWS_DOWNWARD): Define to 1.
8713         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8714         comments, emphasizing that these values are only defaults.
8715         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8716         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8717
8718 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8719
8720         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8721
8722 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8723             Richard Sandiford  <richard@codesourcery.com>
8724
8725         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8726         (FP_REGNO_P): New macros.
8727         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8728         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8729         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8730         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8731
8732 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8733
8734         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8735         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8736         to $tmake_file.
8737         * config/m68k/t-floatlib: New file, extracting common code from...
8738         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8739         * config/m68k/t-uclinux: Here.
8740         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8741         routines on ColdFire targets.
8742
8743 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8744
8745         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8746         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8747         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8748         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8749         explicitly set MOTOROLA to 1.
8750         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8751
8752 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8753             Nathan Sidwell  <nathan@codesourcery.com>
8754
8755         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8756         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8757         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8758         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8759         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8760         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8761         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8762         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8763         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8764         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8765         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8766         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8767         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8768         (DBX_REGISTER_NUMBER): Delete.
8769         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8770         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8771         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8772
8773 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8774
8775         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8776         * config/flat.h: New file.
8777         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8778         OBJECT_FORMAT_FLAT.
8779         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8780         indirect references for -msep-data or -mid-shared-library.
8781         Do not use PC-relative code addresses either.
8782         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8783         to -mpcrel.
8784         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8785         for shared libraries and crt1.o for executables.  Use crti.o and
8786         crtbegin.o.
8787         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8788         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8789         Do not add -elf2flt or -shared-lib-id options here.
8790         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8791         Pass -shared-lib-id if -mid-shared-library, taking the library
8792         identifier from -mshared-library-id if given, otherwise
8793         defaulting to 0.
8794         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8795         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8796         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8797         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8798         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8799         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8800         and crtend.o.
8801         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8802         jump sequence for ISA A and ISA A+.
8803         (PICJUMP): Likewise.
8804
8805 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8806
8807         * config.gcc (m68k-*-uclinux*): Base the port on the common
8808         and m68k GNU/Linux files rather than on the generic ELF ones.
8809         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8810         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8811
8812 2007-01-18  Julian Brown  <julian@codesourcery.com>
8813             Richard Sandiford  <richard@codesourcery.com>
8814
8815         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8816         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8817         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8818         before redefining.
8819         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8820         80 unconditionally.
8821         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8822
8823 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8824
8825         * doc/install.texi: Document m68k-uclinuxoldabi.
8826         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8827         * config/m68k/uclinux-oldabi.h: New file, copied from
8828         config/m68k/uclinux.h.
8829
8830 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8831
8832         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8833         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8834         (m32r_compute_frame_size): Use unsigned for regno.
8835         (m32r_reload_lr): Use gen_frame_mem.
8836         (pop): New.
8837         (m32r_output_function_epilogue): Don't output the function epilogue
8838         textually here.
8839         (m32r_expand_epilogue): New.
8840         (direct_return): Return false if the function has the interrupt
8841         attribute.
8842         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8843         * config/m32r/m32r.md (epilogue): New expander.
8844         (return_lr, return_rte): New insns.
8845         (return): Make it expander.
8846         (return_normal): New expander.
8847
8848 2007-01-18  Josh Conner  <jconner@apple.com>
8849
8850         PR target/30485
8851         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8852         support for UNLE, UNLT, UNGE, and UNGT.
8853
8854 2007-01-18  Jan Hubicka  <jh@suse.cz>
8855
8856         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8857         * tree-tailcall (add_virtual_phis): Likewise.
8858         (optimize_tail_call): Return TODOs.
8859         (execute_tail_calls): Return TODOs.
8860         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8861         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8862         changed.
8863         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8864         Cleanup cfg using TODO.
8865         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8866         * passes.c (execute_function_todo): When cleanup did something, remove
8867         unused locals.
8868         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8869         (make_edges): Don't cleanup_cfg.
8870
8871 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8872
8873         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8874         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8875         operate on the top of stack.
8876         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8877         register handling of instructions that output to the second
8878         stack slot.
8879         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8880         (move_for_stack_reg): Special-case check for dead destination
8881         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8882
8883         * config/i386/i386.md (UNSPEC_TAN): New constant.
8884         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8885         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8886         to correctly model move of constant 1.0 to top stack slot.
8887         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8888         (unnamed peephole2 pattern): Remove corresponding peephole2
8889         pattern that optimizes tan insn and loading of constant 1.0.
8890         (tanxf2): Use fptanxf4_i387.
8891         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8892         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8893         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8894         disable patterns for SSE math.
8895         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8896         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8897
8898 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8899             Richard Guenther <rguenther@suse.de>
8900
8901         PR diagnostic/8268
8902         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8903         * common.opt (Warray-bounds): Add new warning option.
8904         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8905         if -Wall is given.
8906         * Makefile.in: make tree-vrp.o depend on toplev.h
8907         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8908         is enabled.
8909         (check_array_refs, check_array_bounds, check_array_ref): New.
8910
8911 2007-01-18  Jan Hubicka  <jh@suse.cz>
8912
8913         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8914         (execute_ssa_ccp): Return flags conditionally.
8915         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8916         changed.
8917         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8918
8919 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8920
8921         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8922         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
8923
8924         * Makefile.c (GTFILES): Add cfglayout.h.
8925         * gengtype.c (open_base_files): Likewise.
8926         * cfglayout.c (cfg_layout_function_footer,
8927         cfg_layout_function_header) Reindent to make gengtype happy.
8928         * cfglayout.h (cfg_layout_function_footer,
8929         cfg_layout_function_header): Add GTY(()) marker.
8930
8931         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
8932
8933 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8934
8935         * genautomata.c (write_automata): Include xstrerror output in the
8936         error message if writing the DFA description file fails.
8937
8938 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
8939
8940         * config/mips/mips-protos.h (mips_output_external): Make it
8941         return void.
8942         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
8943         * config/mips/mips.c (irix_output_external_libcall): Likewise.
8944         (extern_list): Likewise.
8945         (extern_head): Likewise.
8946         (TARGET_ASM_FILE_END): Likewise.
8947         (mips_file_end): Likewise.
8948         (mips_output_external): Rewritten.
8949
8950 2007-01-18  Ben Elliston  <bje@au.ibm.com>
8951
8952         * genpreds.c (write_insn_preds_c): Only write out the function
8953         body for regclass_for_constraint if we have register constraints.
8954
8955 2007-01-17  Tom Tromey  <tromey@redhat.com>
8956
8957         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
8958         * doc/install.texi (Testing): Use sourceware.org.
8959         (Binaries): Likewise.
8960         (Specific): Likewise.
8961         * doc/contrib.texi (Contributors): Use sourceware.org.
8962
8963 2007-01-17  Anatoly Sokolov <aesok@post.ru>
8964
8965         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
8966         (AVR_ENHANCED): Rename to ...
8967         (AVR_HAVE_MUL): ... new.
8968         (avr_enhanced_p): Rename to ...
8969         (avr_have_mul_p): ... new.
8970         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
8971         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
8972         * config/avr/avr.c (avr_enhanced_p): Rename to ...
8973         (avr_have_mul_p): ... new.
8974         (base_arch_s): Rename 'enhanced' to 'have_mul'.
8975         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
8976         'avr_enhanced_p' and 'enhanced'.
8977         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
8978         AVR_HAVE_MUL instead of AVR_ENHANCED.
8979         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8980         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
8981         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
8982         instead of AVR_ENHANCED.
8983         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
8984         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
8985         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
8986
8987 2007-01-17  Ian Lance Taylor  <iant@google.com>
8988
8989         * vec.h (VEC_reserve_exact): Define.
8990         (vec_gc_p_reserve_exact): Declare.
8991         (vec_gc_o_reserve_exact): Declare.
8992         (vec_heap_p_reserve_exact): Declare.
8993         (vec_heap_o_reserve_exact): Declare.
8994         (VEC_OP (T,A,reserve_exact)): New static inline function, three
8995         versions.
8996         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
8997         negative parameter.
8998         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
8999         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9000         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9001         * vec.c (calculate_allocation): Add exact parameter.  Change all
9002         callers.
9003         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9004         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9005         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9006         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9007         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9008         (vec_heap_p_reserve_exact): New function.
9009         (vec_heap_o_reserve_exact): New function.
9010
9011 2007-01-17  Jan Hubicka  <jh@suse.cz>
9012
9013         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9014
9015 2007-01-17  Eric Christopher  <echristo@apple.com>
9016
9017         * config.gcc: Support core2 processor.
9018
9019 2007-01-16  Jan Hubicka  <jh@suse.cz>
9020
9021         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9022         the names, just unlink the chain so we don't crash on dangling pointers
9023         to dead SSA names.
9024
9025 2007-01-16  Jan Hubicka  <jh@suse.cz>
9026
9027         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9028         * tree-pass.h: Reorder to make IPA passes appear toegher.
9029         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9030         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9031         parameters, do not call early inliner.
9032         * ipa-inline.c: Update comments.  Include tree-flow.h
9033         (cgraph_decide_inlining): Do not compute inlining parameters.
9034         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9035         be called with function context set up.
9036         (pass_ipa_inline): Remove unreachable functions before pass.
9037         (cgraph_early_inlining): Simplify assuming to be called from the
9038         PM as local pass.
9039         (pass_early_inline): New pass.
9040         (cgraph_gate_ipa_early_inlining): New gate.
9041         (pass_ipa_early_inline): Turn into simple wrapper.
9042         (compute_inline_parameters): New function.
9043         (gate_inline_passes): New gate.
9044         (pass_inline_parameters): New pass.
9045         (apply_inline): Move here from tree-optimize.c
9046         (pass_apply_inline): New pass.
9047         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9048         transforming.
9049         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9050         doing them by hand.
9051         (tree_function_versioning): Do not allocate dummy struct function.
9052         * tree-inline.h (optimize_inline_calls): Update prototype.
9053         * tree-optimize.c (execute_fixup_cfg): Export.
9054         (pass_fixup_cfg): Remove
9055         (tree_rest_of_compilation): Do not apply inlines.
9056         * tree-flow.h (execute_fixup_cfg): Declare.
9057         * Makefile.in (gt-passes.c): New.
9058         * passes.c: Include gt-passes.h
9059         (init_optimization_passes): New passes.
9060         (nnodes, order): New static vars.
9061         (do_per_function_toporder): New function.
9062         (execute_one_pass): Dump current pass here.
9063         (execute_ipa_pass_list): Don't dump current pass here.
9064
9065 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9066
9067         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9068         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9069
9070 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9071
9072         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9073         (strong_alias): Define.
9074         (__gcc_qmul): Provide non-FMA for soft-float.
9075         (__gcc_qdiv): Same.
9076         (__gcc_qneg): New.
9077         (__gcc_qeq): New.
9078         (__gcc_qle): New.
9079         (__gcc_qge): New.
9080         (__gcc_qunord): New.
9081         (__gcc_stoq): New.
9082         (__gcc_dtoq): New.
9083         (__gcc_qtos): New.
9084         (__gcc_qtod): New.
9085         (__gcc_qtoi): New.
9086         (__gcc_qtou): New.
9087         (__gcc_itoq): New.
9088         (__gcc_utoq): New.
9089         (fmsub): New.
9090         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9091         soft-float functions.
9092         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9093         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9094         about long double soft float.
9095
9096 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9097             Tehila Meyzels  <tehila@il.ibm.com>
9098
9099         * tree-vectorizer.h (is_pattern_stmt_p): New.
9100         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9101         formatting (tabs instead of spaces). Cleanup and clarify setting
9102         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9103         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9104         (vectorizable_type_demotion): Check that types are integral.
9105         (vectorizable_type_promotion): Likewise.
9106         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9107         comments.
9108
9109 2007-01-16  Jan Hubicka  <jh@suse.cz>
9110
9111         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9112         cgraph edges too.
9113
9114 2007-01-15  Eric Christopher  <echristo@apple.com>
9115
9116         * ifcvt.c: Include vec.h, vecprim.h.
9117         (check_cond_move_block): New argument regs.
9118         Reorganize. Add registers used to regs.
9119         (cond_move_process_if_block): Use regs set above as
9120         loop bounds.
9121
9122 2007-01-15  Eric Christopher  <echristo@apple.com>
9123
9124         * config/darwin.h: Update copyright.
9125         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9126         (LINK_COMMAND_SPEC): Add -u.
9127         (LINK_SPEC): Fix umbrella for above.
9128
9129 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9130
9131         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9132         glibc CVS.
9133
9134 2007-01-15  Tom Tromey  <tromey@redhat.com>
9135
9136         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9137         * doc/install.texi (Testing): Don't mention jacks.
9138         (Configuration): Document --enable-java-maintainer-mode.  Move
9139         --with-java-home to libgcj-specific section.  Document
9140         --with-ecj-jar.
9141         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9142
9143 2007-01-15  Jan Hubicka  <jh@suse.cz>
9144
9145         * tree-ssa-dce.c (DCE_TODOs): New.
9146         (propagate_necessity): Return if something changed.
9147         (eliminate_unnecessary_stmts): Likewise.
9148         (perform_tree_ssa_dce): Return TODO flags when needed.
9149         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9150
9151 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9152
9153         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9154         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9155         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9156         patterns using X87MODEF12 mode macro.  Extend operand 1
9157         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9158         (log10<mode>2): Ditto.
9159         (log2<mode>2): Ditto.
9160         (log1p<mode>2): Ditto.
9161         (logb<mode>2): Ditto.
9162         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9163         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9164         (*fxtractxf3_i387): Rename from *fxtractxf3.
9165         (fxtract_extend<mode>xf3_i387): New insn pattern.
9166         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9167         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9168         and gen_fyl2xxf3_i387().
9169
9170 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9171
9172         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9173         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9174         get_loop_exit_edges.  Changed return type to bool.
9175         * cfgloop.h (fix_loop_placement): Declaration removed.
9176
9177 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9178
9179         * param.h (MIN_VECT_LOOP_BOUND): New.
9180         * params.def (MIN_VECT_LOOP_BOUND): New.
9181         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9182         argument - minimum threshold for number of iterations.
9183         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9184         argument to declaration.
9185         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9186         MIN_VECT_LOOP_BOUND.
9187         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9188         slpeel_tree_peel_loop_to_edge with additional argument.
9189         (vect_do_peeling_for_alignment): Likewise.
9190         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9191
9192 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9193
9194         PR target/30413
9195         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9196         operands of size 1.
9197
9198 2007-01-14  Jan Hubicka  <jh@suse.cz>
9199
9200         * tree-dfa.c (remove_referenced_var): New function.
9201         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9202         prune referenced vars list too.
9203         * tree-flow.h (remove_referenced_var): Declare.
9204
9205 2007-01-14  Jan Hubicka  <jh@suse.cz>
9206
9207         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9208         separately.
9209         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9210         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9211         * except.h (verify_eh_throw_table_statements): Kill prototype.
9212         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9213         into call exrepssions.
9214         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9215         eh trhow verifier.
9216         * tree-cfg.c: Include pointer-set.h.
9217         (verify_node_sharing): Work on pointer set.
9218         (verify_eh_throw_stmt_node): New.
9219         (verify_stmts): Use pointers sets, verify throw_stmt.
9220
9221 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9222
9223         * ipa-reference.c (analyze_function): Consider also addresses taken
9224         in phi nodes.
9225
9226 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9227
9228         * c-typeck.c (null_pointer_constant_p): Replace use of
9229         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9230         (build_c_cast): Likewise.
9231
9232 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9233
9234         * tree.h (force_fit_type_double): Remove unused final argument.
9235         * c-common.c (constant_expression_warning): Replace use of
9236         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9237         (convert_and_check): Likewise.
9238         (shorten_compare): Update call to force_fit_type_double.
9239         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9240         * convert.c (convert_to_pointer): Update call to
9241         force_fit_type_double.
9242         * fold-const.c (force_fit_type_double): Remove overflowed_const
9243         argument.
9244         (int_const_binop, fold_convert_const_int_from_int,
9245         fold_convert_const_int_from_real, fold_div_compare,
9246         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9247         fold_abs_const, fold_not_const): Remove the final argument from
9248         calls to force_fit_type_double.
9249
9250 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9251
9252         * configure.ac: Set insn to "nop" for spu-*-* also.
9253         * configure: Regenerate.
9254
9255 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9256
9257         * builtins.def : Add BUILT_IN_FREE.
9258
9259 2007-01-12  Jan Hubicka  <jh@suse.cz>
9260
9261         PR tree-optimization/30443
9262         * tree-inline.c (tree_function_versioning): Do not optimize when
9263         cloning for inlining.
9264
9265 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9266
9267         * doc/loop.texi: Document recording of loop exits.
9268         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9269         (update_single_exits_after_duplication,
9270         update_single_exit_for_duplicated_loop,
9271         update_single_exit_for_duplicated_loops): Removed.
9272         (duplicate_loop_to_header_edge): Do not call
9273         update_single_exits_after_duplication and
9274         update_single_exit_for_duplicated_loops.
9275         (loop_version): Do not update single_exit information.
9276         (fix_loop_structure): Use record_loop_exits instead of
9277         mark_single_exit_loops.
9278         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9279         the lists of loop exits.
9280         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9281         split_edge, merge_blocks): Update the lists of loop exits.
9282         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9283         loop_optimizer_init.
9284         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9285         of mark_single_exit_loops.
9286         (loop_optimizer_finalize): Call release_recorded_exits.
9287         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9288         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9289         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9290         update single exit information.
9291         * lambda-code.c (perfect_nestify): Ditto.
9292         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9293         (mark_single_exit_loops): Removed.
9294         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9295         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9296         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9297         functions.
9298         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9299         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9300         (verify_loop_structure): Verify consistency of the exit lists.
9301         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9302         (set_single_exit): Removed.
9303         * cfgloop.h (struct loop_exit): New function.
9304         (struct loop): single_exit_ field replaced by exits field.
9305         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9306         (struct loops): Added exits hash.
9307         (mark_single_exit_loops, set_single_exit): Declaration removed.
9308         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9309
9310 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9311
9312         * doc/invoke.texi: Avoid use of @headitem.
9313
9314 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9315
9316         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9317
9318 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9319
9320         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9321         list of targets.
9322
9323 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9324             Richard Sandiford  <richard@codesourcery.com>
9325
9326         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9327         * config/m68k/m68k.opt: Resort options.
9328         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9329
9330 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9331             Richard Sandiford  <richard@codesourcery.com>
9332
9333         * doc/invoke.texi: Document the macros that are defined by
9334         m68k's -mtune and -mhard-float options.
9335         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9336         (m68k_cpp_cpu_family): Likewise.
9337         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9338         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9339         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9340         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9341         (m68k_cpp_cpu_family): Likewise.
9342
9343 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9344
9345         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9346         macros besides mc68000 as tuning macros.  Use a switch statement
9347         to set them and mcpu32.
9348
9349 2007-01-12  Julian Brown  <julian@codesourcery.com>
9350
9351         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9352         (TARGET_68040_ONLY): Rename to...
9353         (TARGET_68040): ...this.
9354         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9355         * config/m68k/m68k.md: Likewise.
9356
9357 2007-01-12  Julian Brown  <julian@codesourcery.com>
9358             Nathan Sidwell  <nathan@codesourcery.com>
9359             Richard Sandiford  <richard@codesourcery.com>
9360
9361         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9362         the -mcpu= argument associated with the --with-cpu setting.
9363         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9364         if different from the one implied by the -mcpu setting.
9365         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9366         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9367         * doc/invoke.texi: Mention ColdFire in the introduction to the
9368         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9369         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9370         -mhard-float.  Document the previously-undocumented -m5206e,
9371         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9372         documentation for consistency.
9373         * doc/install.texi: Mention new --with-cpu arguments.
9374         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9375         default CPU if neither -mcpu nor -march are specified.
9376         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9377         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9378         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9379         using m68k_tune to decide between families that implement the
9380         same ISA.  Use m68k_tune to set __mcfv4e__.
9381         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9382         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9383         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9384         (FL_ISA_C, FL_ISA_MMU): New macros.
9385         (MASK_COLDFIRE): Delete.
9386         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9387         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9388         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9389         (TARGET_HARD_FLOAT): Do not define here.
9390         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9391         (TUNE_68000): New macro.
9392         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9393         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9394         (TUNE_CFV2): Redefine in terms of m68k_tune.
9395         (uarch_type, target_device, fpu_type): New enums.
9396         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9397         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9398         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9399         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9400         (FL_FOR_isa_c): New macros.
9401         (m68k_isa): New enum.
9402         (m68k_target_selection): New structure.
9403         (all_devices, all_isas, all_microarchs): New tables.
9404         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9405         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9406         (MASK_ALL_CPU_BITS): Delete.
9407         (m68k_find_selection): New function.
9408         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9409         Map the legacy target options to a combination of the new ones.
9410         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9411         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9412         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9413         settings.
9414         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9415         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9416         properties.
9417         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9418         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9419         * config/m68k/m68k-devices.def: New file.
9420
9421 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9422             Nathan Sidwell  <nathan@codesourcery.com>
9423
9424         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9425         (SUBTARGET_EXTRA_SPECS): New macros.
9426         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9427         use %(asm_cpu_spec) instead.
9428         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9429         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9430         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9431         (EXTRA_SPECS): Rename to...
9432         (SUBTARGET_EXTRA_SPECS): ...this.
9433
9434 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9435             Richard Sandiford  <richard@codesourcery.com>
9436             Julian Brown  <julian@codesourcery.com>
9437
9438         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9439         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9440         to the configuration's default CPU.
9441         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9442         Remove default masks.
9443         (m680[012]0-*-*): Set the default with_cpu to the first part of
9444         the target name.
9445         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9446         (m68k*-*-linux): Extend the --with-cpu handling to...
9447         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9448         and m68010.  Don't set target_cpu_default2.
9449         * doc/install.texi: Document --with-cpu for m68k.
9450         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9451         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9452         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9453         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9454         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9455         (ASM_SPEC): Remove use of %(asm_cpu_default).
9456         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9457         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9458         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9459         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9460         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9461         (TARGET_DEFAULT): Delete.
9462         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9463         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9464         (CPP_CPU_SPEC): Delete.
9465         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9466         the appropriate string.
9467         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9468         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9469         (ASM_SPEC): Don't use %(asm_default_spec).
9470         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9471         TARGET_DEFAULT and add MASK_68881.
9472         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9473
9474 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9475
9476         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9477         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9478         MASK_68010 alongside MASK_68020.
9479         * doc/invoke.texi: Document -m68010.
9480         * config/m68k/m68k.opt (m68010): New.
9481         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9482         if TUNE_68010.
9483         (TUNE_68010): New macro.
9484         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9485         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9486         (M68K_CPU_m68332): Add MASK_68010.
9487         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9488         fallback definition.
9489         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9490         defines.
9491         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9492         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9493         to all entries that use MASK_68020.
9494         (output_move_simode_const, output_move_himode, output_move_qimode)
9495         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9496         instead of TARGET_68020 to select clr behavior.  Remove comment
9497         about there being no TARGET_68010.
9498         * config/m68k/m68k.md: Likewise throughout.
9499
9500 2007-01-12  Julian Brown  <julian@codesourcery.com>
9501
9502         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9503         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9504         * config/m68k/m68k.md: Likewise.
9505
9506 2007-01-12  Julian Brown  <julian@codesourcery.com>
9507
9508         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9509         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9510
9511 2007-01-12  Julian Brown  <julian@codesourcery.com>
9512
9513         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9514         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9515         * config/m68k/m68k.md: Likewise.
9516
9517 2007-01-12  Julian Brown  <julian@codesourcery.com>
9518             Richard Sandiford  <richard@codesourcery.com>
9519
9520         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9521         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9522         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9523         TARGET_CPU32.
9524         (TARGET_CPU32): Rename to...
9525         (TUNE_CPU32): ...this.
9526         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9527         (TUNE_CFV2): New macros.
9528         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9529         remove conditions that are implied by TARGET_68020.
9530         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9531         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9532         (m68k_output_function_epilogue): Likewise.
9533         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9534         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9535         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9536         non-68000 timings.  Refactor multiplication and division costs.
9537         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9538         TUNE_CPU32 instead of TARGET_CPU32.
9539         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9540         and TUNE_68060 instead of TARGET_68060.
9541         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9542         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9543         TARGET_CPU32.
9544         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9545         && !TARGET_COLDFIRE" to choose between moveq and clr.
9546         Likewise in the unnamed movsf pattern.
9547         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9548         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9549         ashiftrt pattern.
9550
9551 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9552
9553         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9554         of tabbing before backslashes.
9555
9556 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9557
9558         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9559         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9560         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9561
9562 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9563
9564         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9565         find_interesting_uses_cond.
9566         (find_interesting_uses_cond): Use extract_cond_operands.
9567         (rewrite_use_compare): Use extract_cond_operands and
9568         force_gimple_operand_bsi.  Do not call update_stmt.
9569         (determine_use_iv_cost_condition): Use extract_cond_operands.
9570         Return cheaper of using original bound and changing the exit bound.
9571
9572 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9573
9574         PR tree-optimization/29516
9575         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9576         most_expensive_mult_to_index, addr_to_parts,
9577         create_mem_ref, maybe_fold_tmr): Make the type of
9578         fields of TARGET_MEM_REF sizetype.
9579         (move_fixed_address_to_symbol, move_pointer_to_base):
9580         New functions.
9581         * tree.def (TARGET_MEM_REF): Add comment on types of
9582         the operands.
9583
9584 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9585
9586         * c-common.c (vector_types_convertible_p): Treat opaque types as
9587         always convertible if they have the same size, but not otherwise.
9588
9589 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9590
9591         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9592         Remove the b_unconditional field.
9593         (noce_try_sign_mask): Do not look at b_unconditional.
9594         (noce_process_if_block): Do not use merge_if_blocks.  Update
9595         the CFG here.  Do not set b_unconditional.
9596         (cond_move_process_if_block): Likewise.
9597         (find_cond_trap): Likewise.
9598         (check_cond_move_block): Require simple jump insns at the end
9599         of the basic block.
9600
9601 2007-01-11  Jan Hubicka  <jh@suse.cz>
9602
9603         PR tree-optimization/1046
9604         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9605         when alias info is not ready.
9606         (pass_tail_recursion): Do not require aliasing.
9607         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9608         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9609         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9610         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9611         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9612         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9613         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9614         before inlining.
9615         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9616         When aliasing is not build, mark statement as volatile.
9617
9618 2007-01-11  Tom Tromey  <tromey@redhat.com>
9619
9620         PR preprocessor/15185, PR preprocessor/20989:
9621         * doc/cppopts.texi <-MT>: Update description of algorithm for
9622         computing default target.
9623         <-M, -MD>: Reword "basename" text.
9624
9625 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9626
9627         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9628         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9629         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9630         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9631         fold_builtin_bswap, real_constp, fold_builtin_pow,
9632         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9633         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9634         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9635         * convert.c (convert_to_pointer): Likewise.
9636         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9637         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9638         const_binop, fold_convert_const_int_from_int,
9639         fold_convert_const_int_from_real,
9640         fold_convert_const_real_from_real, sign_bit_p,
9641         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9642         fold_sign_changed_comparison, fold_unary, fold_comparison,
9643         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9644         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9645         * print-tree.c (print_node_brief, print_node): Likewise.
9646         * stor-layout.c (place_field, layout_type): Likewise.
9647         * tree-chrec.c (keep_cast): Likewise.
9648         * tree.c (build_vector, build_real, build_real_from_int_cst,
9649         build_complex): Likewise.
9650
9651 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9652
9653         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9654         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9655
9656 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9657
9658         * configure.ac (strict1_warn): Rename to strict_warn.
9659         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9660         cc_set_by_configure, quoted_cc_set_by_configure,
9661         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9662         all_boot_languages, all_stagestuff): Remove.
9663         (target_list): Remove bootstrap targets.
9664         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9665         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9666         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9667         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9668         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9669         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9670         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9671         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9672         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9673         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9674         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9675         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9676         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9677         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9678         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9679         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9680         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9681         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9682         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9683         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9684         (mostlyclean): Adjust.
9685         (clean, distclean): Don't mention bootstrap stuff.
9686         * configure: Regenerate.
9687         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9688         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9689         treelang/config-lang.in (stagestuff): Remove.
9690         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9691         stageprofile, stagefeedback, stagestuff): Remove mention.
9692
9693 2007-01-11  Nick Clifton  <nickc@redhat.com>
9694
9695         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9696         Accept CONSTs.
9697         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9698         (mcore_arith_K_S_operand): Run the test for the S constraint not
9699         the test for the M constraint.
9700         (mcore_addsub_operand): Do not accept integer values that are
9701         larger than 32 bits.
9702         * config/mcore/mcore.md: Remove unused constraints from split.
9703         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9704         (addsi3): Likewise.
9705         (allocate_stack): Likewise.
9706         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9707         operands to 32 bits.
9708         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9709         INTVAL.
9710         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9711         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9712         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9713         mcore_output_bclri, mcore_output_andn, output_inline_const,
9714         mcore_output_move, mcore_output_movedouble): Likewise.
9715         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9716         (output_inline_const): Likewise.
9717         (output_inline_const): Fix format strings used in sprintf
9718         statements.
9719         * config/mcore/mcore-protos.h: Update prototypes for changed
9720         functions in mcore.c.
9721         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9722         HOST_WIDE_INT and not int.
9723         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9724         CONST_OK_FOR_N): Likewise.
9725         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9726         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9727         an INTVAL.
9728
9729 2007-01-10  Jan Hubicka  <jh@suse.cz>
9730
9731         * tree-vrp.c (remove_range_assertions): Release defs.
9732         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9733         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9734
9735 2007-01-10  Paul Brook  <paul@codesourcery.com>
9736
9737         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9738         * config/arm/arm.md (mulsi3subsi): New insn.
9739
9740 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9741
9742         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9743         (tree_transform_and_unroll_loop): New.
9744         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9745         Declare.
9746
9747 2007-01-10  Robert Kennedy <jimbob@google.com>
9748
9749         * fold-const.c (fold_comparison): Fold comparisons like (x *
9750         1000 < 0) to (x < 0).
9751
9752 2007-01-10  Ian Lance Taylor  <iant@google.com>
9753
9754         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9755         operands have the same priority.
9756
9757 2007-01-10  Tom Tromey  <tromey@redhat.com>
9758
9759         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9760         (fold_binary): Likewise.
9761         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9762         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9763         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9764         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9765         * langhooks.h (struct lang_hooks): Removed field
9766         'can_use_bit_fields_p'.
9767
9768 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9769
9770         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9771
9772 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9773
9774         * function.c (get_last_funcdef_no): New function.
9775         * function.h (get_last_funcdef_no): Declare.
9776         * tree-inline.c (initialize_cfun): Add initialization.
9777         (tree_function_versioning): Cleanup.
9778
9779 2007-01-10  Jan Hubicka  <jh@suse.cz>
9780
9781         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9782         PHIs.
9783
9784 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9785             Ben Elliston  <bje@au.ibm.com>
9786
9787         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9788         for SAVE_NONLOCAL and Pmode for any other save level.
9789         * spu-protos.h (spu_restore_stack_block): Declare.
9790         * spu.md (save_stack_block): Remove.
9791         (restore_stack_block): Call spu_restore_stack_block.
9792         * spu.c (spu_restore_stack_block): New function.
9793         (spu_expand_epilogue): Remove old comment.
9794
9795 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9796
9797         PR tree-optimization/30322
9798         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9799         (cand_value_at): Return the value as aff_tree.
9800         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9801         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9802         aff_combination_mult): New functions.
9803         (aff_combination_add): Use aff_combination_add_cst.
9804         (aff_combination_convert): Allow conversions to a wider type.
9805         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9806         * tree-affine.h (aff_combination_mult): Declare.
9807
9808 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9809
9810         * doc/tm.texi: Update documentation to reflect reality of exec
9811         and start file search behaviours. Update copyright year.
9812         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9813         header file directories.
9814
9815 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9816
9817         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9818         (*cosxf2): Rename to cosxf2_i387.
9819         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9820         using X87MODEF12 mode macro. Rename patterns to
9821         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9822         for SSE math.
9823         (*cosdf2, *cossf2): Ditto.
9824         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9825         to match extended input operands.
9826         (sincos<mode>3): New expander.
9827         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9828         insn patterns and corresponding splitters.
9829
9830 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9831
9832         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9833         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9834
9835 2007-01-09  Nicolas Pitre  <nico@cam.org>
9836
9837         PR target/30173
9838         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9839
9840 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9841
9842         * target.h (struct gcc_target): New field library_rtti_comdat.
9843         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9844         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9845         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9846         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9847
9848 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9849
9850         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9851
9852 2007-01-08  Richard Guenther  <rguenther@suse.de>
9853
9854         * tree.h (force_fit_type_double): Export.
9855         (force_fit_type): Remove.
9856         * fold-const.c (force_fit_type_double): New function.
9857         (force_fit_type): Remove.
9858         (int_const_binop): Use it.
9859         (fold_convert_const_int_from_int): Likewise.
9860         (fold_convert_const_int_from_real): Likewise.
9861         (fold_div_compare): Likewise.
9862         (fold_sign_changed_comparison): Likewise.
9863         (fold_unary): Likewise.
9864         (fold_negate_const): Likewise.
9865         (fold_abs_const): Likewise.
9866         (fold_not_const): Likewise.
9867         * c-common.c (shorten_compare): Use force_fit_type_double.
9868         * convert.c (convert_to_pointer): Likewise.
9869
9870 2007-01-08  Richard Guenther  <rguenther@suse.de>
9871
9872         * tree.h (build_int_cst_wide_type): Export.
9873         * tree.c (build_int_cst_wide_type): New function.
9874         (build_int_cst_wide): Fix comment.
9875         * builtins.c (fold_builtin_object_size): Use build_int_cst
9876         to build -1 or 0 of the correct type.  Use fit_double_type
9877         to check for overflow.
9878         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9879         to build the mask.
9880         (decode_field_reference): Likewise.
9881         (all_ones_mask_p): Likewise.
9882         (native_interpret_int): Use build_int_cst_wide_type.
9883         (fold_binary): Use build_int_cst_type to build an all-ones
9884         value.
9885         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9886
9887 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9888
9889         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9890
9891 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9892
9893         * genautomata.c (STATS_OPTION): New option.
9894         (stats_flag): New flag.
9895         (gen_automata_option): Handle it.
9896         (initiate_automaton_gen): Ditto.
9897         (write_automata): Output statistics only if stats_flag is
9898         set. Likewise, output time statistics only if time_flag is set.
9899         * doc/md.texi (Processor pipeline description): Document new flag.
9900
9901 2007-01-08  Richard Guenther  <rguenther@suse.de>
9902
9903         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9904         * tree.c (build_int_cst_type): Likewise.
9905         (size_in_bytes): Don't call force_fit_type on the result.
9906         (int_fits_type_p): Use fit_double_type.
9907         * fold-const.c (fit_double_type): New function.
9908         (force_fit_type): Use it.
9909         * tree.h (fit_double_type): Export.
9910
9911 2007-01-08  Jan Hubicka  <jh@suse.cz>
9912
9913         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9914         * ipa.c (function_and_variable_visibility): Fix return type.
9915
9916 2007-01-08  Richard Guenther  <rguenther@suse.de>
9917
9918         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9919         of offset to build the index.
9920         * tree-pretty-print.c (dump_generic_node): Don't build negated
9921         const just for printing.
9922         * c-pretty-print.c (pp_c_integer_constant): Likewise.
9923         * builtins.c (fold_builtin_int_roundingfn): Check if result
9924         fits the type by using force_fit_type and comparing the result.
9925         * predict.c (predict_loops): Use compare_tree_int for comparison.
9926         * tree.c (build_int_cst): Fall back to integer_type_node for
9927         NULL_TREE type.
9928         (build_int_cst_wide): Assert type is non-null.
9929
9930 2007-01-08  Roberto Costa  <roberto.costa@st.com>
9931
9932         * tree-vrp.c (extract_range_from_cond_expr): New.
9933         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
9934         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
9935         as expressions.
9936         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
9937         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
9938         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
9939         used as expressions.
9940         * tree-object-size.c (cond_expr_object_size): New.
9941         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
9942
9943 2007-01-08  Jan Hubicka  <jh@suse.cz>
9944
9945         * tree-ssa-forwprop.c (forward_propagate_into_cond,
9946         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
9947         statement.
9948
9949 2007-01-08  Richard Guenther  <rguenther@suse.de>
9950
9951         PR tree-optimization/23603
9952         * tree-vrp.c (set_value_range_to_truthvalue): New function.
9953         (extract_range_from_binary): Fall back to truthvalue instead of
9954         varying for TRUTH_*_EXPR.
9955         (extract_range_from_comparison): Fall back to truthvalue instead of
9956         varying.
9957         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
9958         if all visited PHI values were constant.
9959
9960 2007-01-08  Jan Hubicka  <jh@suse.cz>
9961
9962         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
9963         (cgraph_analyze_function): break out from ...
9964         (cgraph_finalize_compilation_unit): ... here.
9965         (cgraph_expand_function): Remove forgoten commented out line.
9966         (cgraph_optimize): Analyze functions.
9967
9968 2007-01-08  Jan Hubicka  <jh@suse.cz>
9969
9970         * tree-pas.h (TODO_remove_function): New flag.
9971         (TODO_update*): Renumber.
9972         (pass_ipa_increase_alignment,
9973         pass_ipa_function_and_variable_visibility): New passes.
9974         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
9975         (cgraph_function_and_variable_visibility): Move to ipa.c
9976         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
9977         cgraph_increase_alignment.
9978         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
9979         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
9980         calling tree-inline.
9981         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
9982         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
9983         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
9984         (gate_increase_alignment): New function.
9985         (pass_ipa_increase_alignment): New pass.
9986         * ipa.c: Inline tree-pass.h and timevar.h
9987         (function_and_variable_visibility): Move here from cgraphunit.c
9988         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
9989         * passes.c (init_optimization_passes): Add the two new passes.
9990         (execute_todo): Handle cgraph_remove_functions.
9991
9992 2007-01-08  Nick Clifton  <nickc@redhat.com>
9993
9994         * config/frv/predicates.md (reg_or_0_operand): Accept
9995         CONST_DOUBLEs.
9996
9997 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
9998
9999         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10000         * config.gcc: Add bfin*-rtems*.
10001
10002 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10003
10004         * c.opt: Add -flax-vector-conversions.
10005         * c-typeck.c (convert_for_assignment): Pass flag to
10006         vector_types_convertible_p to allow emission of note.
10007         (digest_init): Likewise.
10008         * c-opts.c: Handle -flax-vector-conversions.
10009         * c-common.c (flag_lax_vector_conversions): New.
10010         (vector_types_convertible_p): Unless -flax-vector conversions
10011         has been passed, disallow conversions between vectors with
10012         differing numbers of subparts and/or element types.  If such
10013         a conversion is disallowed, possibly emit a note on the first
10014         occasion only to inform the user of -flax-vector-conversions.
10015         The new last argument specifies this.
10016         * c-common.h (flag_lax_vector_conversions): New.
10017         (vector_types_convertible_p): Add extra argument.
10018         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10019         char_type_node for V*QI type vectors.
10020         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10021         Update to satisfy new typechecking rules.
10022         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10023         C and C++ variants.
10024         * doc/invoke.texi (C Dialect Options): Document
10025         -flax-vector-conversions.
10026
10027 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10028
10029         PR tree-optimization/29877
10030         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10031         a register variable on the RHS to not be replaceable.
10032
10033 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10034         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10035         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10036         const_simm15, const_pow2, const_npow2): Added.
10037         * config/score/misc.md (insv, extv, extzv, movmemsi,
10038         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10039         * config/score/score.c (score_address_cost, score_select_cc_mode):
10040         Added.
10041         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10042         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10043         Update score_print_operand.
10044         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10045         Adjust register allocate order and update some macro define.
10046         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10047         mdx_block_move_straight, mdx_block_move_loop_head,
10048         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10049         mdx_block_move): Added.
10050         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10051         mdp_limm): Updated and fix some bug and typo.
10052         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10053         (movsf, movdf, doloop_end): Added.
10054
10055 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10056
10057         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10058         config/arm/thumb2.md: Fix comment typos.
10059         * doc/extend.texi: Fix a typo.
10060
10061 2007-01-07  Eric Christopher  <echristo@apple.com>
10062
10063         * configure.ac: Check for __stack_chk_fail for darwin.
10064         * configure: Regenerate.
10065
10066 2007-01-07  Richard Guenther  <rguenther@suse.de>
10067
10068         * tree-vrp.c (extract_range_from_assert): CSE calls to
10069         compare_values where possible.
10070         (extract_range_from_unary_expr): Likewise.
10071
10072 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10073
10074         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10075         * config/avr/avr.c (call_insn_operand): Delete function.
10076         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10077         instead of register number. Use predicates.
10078         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10079         call_insn_operand): Add.
10080
10081 2007-01-06  Jan Hubicka  <jh@suse.cz>
10082
10083         * tree-pass.h (pass_build_cgraph_edges): Declare.
10084         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10085         (visited_nodes): Remove.
10086         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10087         build_cgrpah_edges; make visited_nodes local.
10088         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10089         (record_references_in_initializer): Move to cgraphbuild.c
10090         (initialize_inline_failed, rebuild_cgraph_edges,
10091         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10092         (verify_cgraph_node): Make visited_nodes local.
10093         (cgraph_analyze_function): Do not call cgraph_create_edges and
10094         initialize_inline_failed.
10095         (cgraph_expand_function): Do not call cgraph_lower_function;
10096         assert that function is already lowered.
10097         * Makefile.in (cgraphbuild.o): New.
10098         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10099         at the end of lowering passes.
10100
10101 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10102
10103         * ifcvt.c (cond_move_convert_if_block): New function, code
10104         factored out from...
10105         (cond_move_process_if_block): ...here.  Call the new function
10106         on the THEN and ELSE blocks.
10107         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10108         already takes care of this.
10109
10110 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10111
10112         PR c/19978
10113         * tree.h (TREE_OVERFLOW_P): New.
10114         * c-typeck.c (parser_build_unary_op): Warn only if result
10115         overflowed and operands did not.
10116         (parser_build_binary_op): Likewise.
10117         (convert_for_assignment): Remove redundant overflow_warning.
10118         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10119
10120 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10121
10122         * c-typeck.c (store_init_value): Split over two lines to follow
10123         the GNU coding style.
10124
10125 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10126
10127         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10128         __GXX_EXPERIMENTAL_CXX0X__.
10129         * doc/cpp.texi: Same.
10130
10131 2007-01-05  Richard Guenther  <rguenther@suse.de>
10132
10133         PR middle-end/27826
10134         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10135         with mismatched types.  Instead explicitly build a
10136         conversion NOP_EXPR.
10137
10138 2007-01-05  Ian Lance Taylor  <iant@google.com>
10139
10140         * c-common.c (decl_with_nonnull_addr_p): New function.
10141         (c_common_truthvalue_conversion): Call it.
10142         * c-typeck.c (build_binary_op): Likewise.
10143         * c-common.h (decl_with_nonnull_addr_p): Declare.
10144
10145 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10146
10147         PR c/30360
10148         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10149         denom against 0.0.
10150
10151 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10152
10153         * doc/install.texi (Final install): Document the fact that
10154         the GNAT runtime should not be stripped.
10155
10156 2007-01-04  Jan Hubicka  <jh@suse.cz>
10157
10158         * tree-inline.c (fold_marked_statements): Update operand caches
10159         and EH after folding
10160
10161 2007-01-04  Ian Lance Taylor  <iant@google.com>
10162
10163         * c-common.c (check_function_nonnull): Whitespace fix.
10164
10165 2007-01-04  Jan Hubicka  <jh@suse.cz>
10166
10167         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10168         comitted older version of patch.
10169         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10170         function, celanup cfg and collect garbage.
10171
10172 2007-01-04  Mike Stump  <mrs@apple.com>
10173
10174         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10175         (clean): Likewise.
10176
10177 2007-01-04  Eric Christopher  <echristo@apple.com>
10178
10179         * libgcc2.c (__bswapsi2): Use SItype.
10180         (__bswapdi2): Use DItype.
10181         * libgcc2.h: Update for above.
10182
10183 2007-01-04  Paul Brook  <paul@codesourcery.com>
10184
10185         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10186         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10187         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10188         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10189         umulsi3_highpart): Make conditional on !arm_arch6.
10190         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10191         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10192         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10193         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10194         umulsi3_highpart_v6): New insns.
10195
10196 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10197
10198         * fold-const.c (fold_convert): When casting an expression to void,
10199         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10200         have a type.  Instead of attempting to build a NOP_EXPR, return
10201         these "special" trees directly.
10202
10203 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10204
10205         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10206         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10207         rs6000_cost->fp not 0 as adjustment for outer NEG.
10208
10209 2007-01-04  Jan Hubicka  <jh@suse.cz>
10210
10211         * cgraph.c (cgraph_release_function_body): New function.
10212         (cgraph_remove_node): Use it.
10213         * cgraph.h (cgraph_release_function_body): Declare.
10214         * cgraphunit.c (cgraph_expand_function): Use it.
10215         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10216         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10217         is initialized and while compilation of other function is running.
10218         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10219         statement CFG annotations from here to ...
10220         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10221
10222 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10223
10224         * cfgloop.h (enum li_flags): Make the constants powers of two.
10225
10226 2007-01-04  Jan Hubicka  <jh@suse.cz>
10227
10228         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10229         set.
10230         (fold_marked_statements): New function.
10231         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10232         * tree-inline.h (copy_body_data): Add statements_to_fold.
10233
10234 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10235
10236         * config.gcc: Mention libgcc/config.host.
10237         * Makefile.in: Update comments mentioning libgcc.
10238         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10239         (all.cross, start.encap, rest.encap, rest.cross): Update
10240         dependencies for libgcc move.
10241         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10242         (clean-target, clean-target-libgcc): Delete.
10243         (srcdirify, GCC_EXTRA_PARTS): New macros.
10244         (libgcc-support, libgcc.mvars): New rules.
10245         (distclean): Remove mention of mklibgcc.
10246         (install): Don't reference INSTALL_LIBGCC.
10247         (install-common): Don't reference EXTRA_PARTS.
10248         (install-libgcc, install-multilib): Delete rules.
10249         * mklibgcc.in: Delete file.
10250         * doc/configfiles.texi: Don't mention mklibgcc.
10251
10252         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10253         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10254         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10255         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10256         (mklibgcc, ldblspecs): Likewise.
10257
10258         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10259         (posixpre.def): Use $(T).
10260         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10261         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10262         (SHLIB_LINK): Make dummy.
10263         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10264
10265         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10266
10267         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10268         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10269         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10270         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10271
10272         * configure.ac (all_outputs): Remove mklibgcc.
10273         * configure: Regenerated.
10274
10275 2007-01-03  Josh Conner  <jconner@apple.com>
10276
10277         PR middle-end/29683
10278         * calls.c (compute_argument_addresses): Set stack and stack_slot
10279         for partial args, too.
10280         (store_one_arg): Use locate.size.constant for the size when
10281         generating a save_area.
10282
10283 2007-01-03  Robert Kennedy <jimbob@google.com>
10284
10285         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10286         whose definitions are deleted due to basic block merging.
10287
10288 2007-01-03  Paul Brook  <paul@codesourcery.com>
10289
10290         PR target/16634
10291         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10292         functions.
10293         (use_return_insn): Return 0 for Thumb interrupt functions.
10294         (print_multi_reg): Add rfe argument for IRQ returns.
10295         (arm_output_epilogue): Pop interrupt return address directly into PC.
10296         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10297
10298 2007-01-03  Paul Brook  <paul@codesourcery.com>
10299
10300         Merge from sourcerygxx-4_1.
10301         * config/arm/thumb2.md: New file.
10302         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10303         Thumb-2.
10304         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10305         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10306         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10307         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10308         tables.
10309         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10310         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10311         comptibility.
10312         * config/arm/ieee754-sf.S: Ditto.
10313         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10314         (thumb1_base_register_rtx_p): ... to this.
10315         (thumb_index_register_rtx_p): Rename...
10316         (thumb1_index_register_rtx_p): ... to this.
10317         (thumb_output_function_prologue): Rename...
10318         (thumb1_output_function_prologue): ... to this.
10319         (thumb_legitimate_address_p): Rename...
10320         (thumb1_legitimate_address_p): ... to this.
10321         (thumb_rtx_costs): Rename...
10322         (thumb1_rtx_costs): ... to this.
10323         (thumb_compute_save_reg_mask): Rename...
10324         (thumb1_compute_save_reg_mask): ... to this.
10325         (thumb_final_prescan_insn): Rename...
10326         (thumb1_final_prescan_insn): ... to this.
10327         (thumb_expand_epilogue): Rename...
10328         (thumb1_expand_epilogue): ... to this.
10329         (arm_unwind_emit_stm): Rename...
10330         (arm_unwind_emit_sequence): ... to this.
10331         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10332         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10333         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10334         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10335         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10336         thumb2_output_casesi): New functions.
10337         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10338         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10339         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10340         THUMB2_WORK_REGS): Define.
10341         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10342         arm_condexec_mask, arm_condexec_masklen)): New variables.
10343         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10344         (arm_override_options): Check new CPU capabilities.
10345         Set new architecture flag variables.
10346         (arm_isr_value): Handle v7m interrupt functions.
10347         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10348         Thumb-2.
10349         (const_ok_for_arm): Handle Thumb-2 constants.
10350         (arm_gen_constant): Ditto.  Use movw when available.
10351         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10352         functions.
10353         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10354         (thumb_find_work_register, arm_load_pic_register,
10355         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10356         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10357         print_multi_reg, output_mov_long_double_fpa_from_arm,
10358         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10359         output_mov_double_fpa_from_arm, output_move_double,
10360         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10361         output_return_instruction, arm_output_function_prologue,
10362         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10363         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10364         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10365         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10366         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10367         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10368         '!' and 'L'.
10369         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10370         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10371         (arm_file_start): Output directive for unified syntax.
10372         (arm_unwind_emit_set): Handle stack alignment instruction.
10373         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10374         Add v6t2, v7, v7a, v7r and v7m.
10375         (RETLDM): Add Thumb-2 code.
10376         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10377         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10378         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10379         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10380         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10381         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10382         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10383         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10384         ADJUST_INSN_LENGTH): Define.
10385         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10386         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10387         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10388         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10389         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10390         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10391         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10392         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10393         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10394         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10395         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10396         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10397         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10398         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10399         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10400         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10401         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10402         cortex-m3.
10403         * config/arm/arm-tune.md: Regenerate.
10404         * config/arm/arm-protos.h: Update prototypes.
10405         * config/arm/vfp.md: Enable patterns for Thumb-2.
10406         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10407         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10408         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10409         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10410         * config/arm/libunwind.S: Add Thumb-2 code.
10411         * config/arm/constraints.md: Update include Thumb-2.
10412         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10413         * config/arm/ieee754-df.S: Ditto.
10414         * config/arm/bpabi.S: Ditto.
10415         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10416         * config/arm/predicates.md (low_register_operand,
10417         low_reg_or_int_operand, thumb_16bit_operator): New.
10418         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10419         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10420         * config/arm/t-arm-elf: Add armv7 multilib.
10421         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10422         Include thumb2.md.
10423         (UNSPEC_STACK_ALIGN, ce_count): New.
10424         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10425         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10426         insns/expanders.
10427         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10428         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10429         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10430         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10431         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10432         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10433         insns.
10434         * doc/extend.texi: Document ARMv7-M interrupt functions.
10435         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10436
10437 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10438
10439         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10440         (struct _Unwind_Context): Rename args_size to flags, remove
10441         signal_frame field, add a new args_size field and version field.
10442         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10443         _Unwind_IsExtendedContext): New inline functions.
10444         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10445         Assume by_value array is only present if _Unwind_IsExtendedContext.
10446         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10447         _Unwind_IsSignalFrame.
10448         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10449         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10450         (uw_init_context_1): Initialize context->flags to
10451         EXTENDED_CONTEXT_BIT.
10452         * config/rs6000/linux-unwind.h (frob_update_context): Use
10453         _Unwind_SetSignalFrame.
10454
10455 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10456
10457         PR middle-end/30353
10458         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10459         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10460         the value.
10461
10462 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10463
10464         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10465         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10466         RET, AT_SP): Remove.
10467         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10468         instead of RET.
10469
10470         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10471         * cfgbuild.c (find_basic_blocks): Likewise.
10472         * cfgrtl.c (rtl_create_basic_block): Likewise.
10473         * function.c (temp_slots_at_level): Likewise.
10474         * reg-stack.c (stack_regs_mentioned): Likewise.
10475         * regclass.c (allocate_reg_info): Likewise.
10476         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10477         set_bb_for_stmt, move_block_to_fn): Likewise.
10478         * tree-complex.c (tree_lower_complex): Likewise.
10479         * vec.h (VEC_safe_grow_cleared): New.
10480
10481         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10482
10483 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10484
10485         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10486         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10487         to loop_version.
10488         * cfgloopmanip.c (scale_loop_frequencies): Export.
10489         (loopify): Scale the frequencies by prescribed coefficients.
10490         (set_zero_probability): New function.
10491         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10492         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10493         and frequencies according to arguments.
10494         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10495         correctly.
10496         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10497         * modulo-sched.c (sms_schedule): Set probabilities for entering
10498         versioned loop correctly.
10499         * tree-vect-transform.c (vect_transform_loop): Ditto.
10500         * cfgloop.h (loopify, loop_version): Declaration changed.
10501         (scale_loop_frequencies): Declared.
10502
10503 2007-01-02  Jan Hubicka  <jh@suse.cz>
10504
10505         * cgraph.c: Include tree-flow.h
10506         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10507         early_local_passes.
10508         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10509         * tree-pass.h (pass_all_early_optimizations): Declare.
10510         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10511         early_local_passes.
10512         (cgraph_analyze_function): Do early_local_passes.
10513         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10514         Do not add referenced vars.
10515         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10516         SSA form.
10517         (gate_all_early_local_passes): New gate.
10518         (pass_early_local_passes): Use new gate.
10519         (execute_early_local_optimizations): New functions.
10520         (gate_all_early_optimizations): New gate.
10521         (pass_all_early_optimizations): New pass.
10522         (execute_free_datastructures): Free SSA only when initialized.
10523         (gate_init_datastructures): Init only when optimizing.
10524         (tree_lowering_passes): Do early local passes when called late.
10525         * tree-profile.c (do_tree_profiling): Don't profile functions added
10526         late.
10527         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10528         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10529         not active.
10530         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10531         during early_local_passes.
10532         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10533
10534
10535 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10536
10537         * Makefile.in: Update copyright year.
10538
10539 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10540
10541         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10542         in $(lang_checks) and check-consistency targets.
10543
10544 2007-01-02  Jan Hubicka  <jh@suse.cz>
10545
10546         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10547         Do not add referenced vars.
10548         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10549         are not active.
10550         * passes.c (init_optimization_passes): Put mudflap_2 after
10551         free_datastructures.
10552
10553 2007-01-02  Jan Hubicka  <jh@suse.cz>
10554
10555         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10556         Set NOTHROW flag on call statements proved to be nothrow.
10557         Update statement of local calls so new pure/const functions are
10558         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10559         goto receivers.
10560         (tree_rest_of_compilation): Register hooks and initialize bitmap
10561         early. Do not set after_inlining flag.
10562
10563 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10564
10565         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10566         HOST_BITS_PER_LONGLONG
10567
10568 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10569
10570         PR c/19977
10571         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10572         warning for non-static initializers.
10573
10574 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10575
10576         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10577         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10578         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10579         Always use set_unique_reg_note to add REG_EQUAL notes.
10580
10581 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10582
10583         Revert:
10584         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10585
10586         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10587         * cfgbuild.c (find_basic_blocks): Likewise.
10588         * cfgrtl.c (rtl_create_basic_block): Likewise.
10589         * function.c (temp_slots_at_level): Likewise.
10590         * reg-stack.c (stack_regs_mentioned): Likewise.
10591         * regclass.c (allocate_reg_info): Likewise.
10592         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10593         set_bb_for_stmt, move_block_to_fn): Likewise.
10594         * tree-complex.c (tree_lower_complex): Likewise.
10595         * vec.h (VEC_safe_grow_cleared): New.
10596
10597 2007-01-02  Ian Lance Taylor  <iant@google.com>
10598
10599         * c-common.c (c_common_truthvalue_conversion): When warning about
10600         using an assignment as a truth value, set TREE_NO_WARNING.
10601
10602 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10603
10604         PR middle-end/7651
10605         * c.opt (Wold-style-declaration): New.
10606         * doc/invoke.texi (C-only Warning Options): New.
10607         (Wold-style-declaration): Document it.
10608         (Wextra): Enabled by -Wextra.
10609         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10610         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10611         -Wold-style-declaration.
10612
10613 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10614
10615         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10616         * cfgbuild.c (find_basic_blocks): Likewise.
10617         * cfgrtl.c (rtl_create_basic_block): Likewise.
10618         * function.c (temp_slots_at_level): Likewise.
10619         * reg-stack.c (stack_regs_mentioned): Likewise.
10620         * regclass.c (allocate_reg_info): Likewise.
10621         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10622         set_bb_for_stmt, move_block_to_fn): Likewise.
10623         * tree-complex.c (tree_lower_complex): Likewise.
10624         * vec.h (VEC_safe_grow_cleared): New.
10625
10626 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10627
10628         * c-common.c (c_common_nodes_and_builtins): Since variants of
10629         void_type_node get built before it is given a name, we need to
10630         give those variants the name, too.
10631         (complete_array_type): We need to work with the canonical main
10632         type of the array, from which we will build the qualified version.
10633         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10634         * print-tree.c (print_node): Display canonical type information
10635         for each type.
10636         * stor-layout.c (layout_type): When we don't know the
10637         alignment of a type for which we're building an array, we end up
10638         guessing wrong, so make the type require structural equality.
10639         * tree.c (make_node_stat): When we build a new type, it is its
10640         own canonical type.
10641         (build_type_attribute_qual_variant): When building an attribute
10642         variant, its canonical type is the non-attribute variant. However,
10643         if the attributes are target-dependent and they differ, we need to
10644         use structural equality checks for this type.
10645         (build_qualified_type): A qualified type is not equivalent to its
10646         unqualified variant; set the canonical type appropriately.
10647         (build_distinct_type_copy): When building a distinct type from
10648         another type, the new type is its own canonical type.
10649         (build_variant_type_copy): When building a new type variant, we
10650         assume that it is equivalent to the original type.
10651         (build_pointer_type_for_mode): When building a pointer type, also
10652         build a canonical type pointer.
10653         (build_reference_type_for_mode): When building a reference type,
10654         also build a canonical type reference.
10655         (build_index_type): When we can't hash an index type (e.g.,
10656         because its maximum value is negative), the index type requires
10657         structural equality tests.
10658         (build_array_type): Build the canonical form of an array type.
10659         (build_function_type): Function types require structural equality,
10660         because they contain default arguments, attributes, etc.
10661         (build_method_type_directly): Ditto for method types.
10662         (build_offset_type): Build the canonical offset type.
10663         (build_complex_type): Build the canonical vector type.
10664         (make_vector_type): Build the canonical vector type.
10665         * tree.h (TYPE_CANONICAL): New.
10666         (TYPE_STRUCTURAL_EQUALITY_P): New.
10667         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10668         (struct tree_type): Added "canonical" field.
10669         * params.h (VERIFY_CANONICAL_TYPES): New.
10670         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10671         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10672         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10673         * doc/invoke.texi (verify-canonical-types): Document --param
10674         parameter for verifying canonical types.
10675
10676 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10677
10678         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10679         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10680         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10681         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10682         tm_file.
10683         * config/rs6000/e500.h: New.
10684         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10685         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10686         Remove.
10687         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10688         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10689         TARGET_E500_DOUBLE): Remove.
10690         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10691         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10692         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10693         * config/rs6000/rs6000.c (rs6000_override_options): Use
10694         CHECK_E500_OPTIONS.
10695
10696 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10697
10698         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10699         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10700         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10701         rs6000_emit_cmove): Don't check TARGET_E500.
10702         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10703         sordered): Don't check TARGET_E500.
10704
10705 2007-01-01  Eric Christopher  <echristo@apple.com>
10706
10707         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10708         HARD_REGISTER_NUM_P.
10709
10710 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10711
10712         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10713         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10714         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10715         eq/ne Y".
10716
10717 2007-01-01  Mike Stump  <mrs@apple.com>
10718
10719         * configure.ac: Remove support for building with Apple's gcc-3.1.
10720
10721 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10722
10723         PR middle-end/30311
10724         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10725         REG is a hard register.  Do not modify REG before calling
10726         subreg_nregs.
10727         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10728         multiple of the size of YMODE for certain lowpart cases.
10729
10730 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10731
10732         PR middle-end/30253
10733         * gimplify (voidify_wrapper_expr): Update for
10734         GIMPLE_MODIFY_STMT.
10735
10736 2007-01-01  Andreas Schwab  <schwab@suse.de>
10737
10738         PR target/29166
10739         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10740         save of BR0 in extra_spill_size instead of spill_size.
10741         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10742         area.
10743         (ia64_expand_epilogue): Restore BR0 from its new location.
10744
10745 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10746
10747         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10748         Use a temporary variable if the left hand side is not a gimple
10749         register.
10750
10751 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10752
10753         * gimplify.c (gimplify_return_expr): Make the temporary variable
10754         for the return expression, a gimple register variable.
10755
10756 2007-01-01  Jan Hubicka  <jh@suse.cz>
10757
10758         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10759         INSN_LIST.
10760
10761 2007-01-01  Mike Stump  <mrs@apple.com>
10762
10763         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10764         .literal16.
10765         * config/darwin.c (machopic_select_rtx_section): Use
10766         HAVE_GAS_LITERAL16.
10767         (darwin_mergeable_constant_section): Likewise.
10768         * configure: Regenerate.
10769         * config.in: Regenerate.
10770
10771 2007-01-01  Jan Hubicka  <jh@suse.cz>
10772             Andrew Pinski  <pinskia@gmail.com>
10773
10774         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10775         before starting IPA passes.