gcc/ChangeLog

   1 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
   2
   3         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
   4         cold loops.
   5
   6 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
   7
   8         PR c/31520
   9         * c-del.c (finish_decl): Grab the type of the decl after the call
  10         to store_init_value.
  11
  12 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
  13
  14         * common.opt (fforward-propagate): Fix "Optimization" annotation.
  15
  16 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
  17
  18         PR c++/25874
  19         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
  20         post dominators and cleanup cfg before returning.
  21
  22 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
  23
  24         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
  25         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
  26
  27 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
  28
  29         * config.gcc: Recognize fido.
  30         * config/m68k/m68k-devices.def (fidoa): New.
  31         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
  32         __mfido__.
  33         (FL_FIDOA, TARGET_FIDOA): New.
  34         * config/m68k/m68k.opt (mfidoa): New.
  35
  36 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
  37
  38         PR middle-end/31322
  39         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
  40         when a personality function is used.
  41
  42 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
  43
  44         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
  45
  46 2007-04-13  Mike Stump  <mrs@apple.com>
  47
  48         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
  49         we can...
  50         * config/darwin.opt (fapple-kext): Make C++ only.
  51         * config/darwin.c (darwin_override_options): Remove code to ensure
  52         -fapple-kext is given for C++ only.
  53
  54 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
  55
  56         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
  57         * config/mips/mips.c (override_options): Call
  58         SUBTARGET_OVERRIDE_OPTIONS, if defined.
  59
  60 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
  61
  62         * config/i386/i386.opt (msvr3-shlib): Removed.
  63
  64         * doc/invoke.texi: Remove -msvr3-shlib.
  65
  66 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
  67
  68         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
  69         with "popcnt" instruction.
  70
  71 2007-04-13  Richard Guenther  <rguenther@suse.de>
  72
  73         PR tree-optimization/21258
  74         * tree-vrp.c (compare_case_labels): New helper.
  75         (find_switch_asserts): New function.
  76         (find_assert_locations): Call it for SWITCH_EXPRs.
  77
  78 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
  79
  80         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
  81         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
  82         check is now implied in X87_FLOAT_MODE_P.
  83         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
  84         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
  85         (fix_trunc<mode>_i386_fisttp): Ditto.
  86         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
  87         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
  88         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
  89         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
  90         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
  91         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
  92         (unnamed_splitters): Ditto.
  93         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
  94         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
  95         FIRST_SSE_REG for local functions when SSE math is enabled or
  96         for functions with sseregparm attribute.
  97         (standard_80387_constant_p): Return -1 if mode is not
  98         X87_FLOAT_MODE_P.
  99         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
 100         (ix86_expand_compare): Ditto.
 101         (ix86_expand_carry_flag_compare): Ditto.
 102         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
 103         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
 104         DECIMAL_FLOAT_MODE_P.
 105         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
 106         of SCALAR_FLOAT_MODE_P.
 107         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
 108         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
 109         checks before FLOAT_MODE_P.
 110         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
 111         before FLOAT_MODE_P.
 112         [DIV]: Ditto.
 113         [NEG]: Ditto.
 114         [ABS]: Ditto.
 115         [SQRT]: Ditto.
 116         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
 117
 118 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
 119             Charles Wilson  <libtool@cwilson.fastmail.fm>
 120
 121         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
 122         (libgcc.mvars): Don't depend on them.
 123         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
 124         * exec-tool.in: New.
 125
 126 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
 127
 128         * doc/invoke.text (--help): Document --help=common.
 129
 130 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
 131
 132         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
 133
 134 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 135
 136         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
 137         * genemit.c (main): Emit #include "integrate.h".
 138         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
 139         (LOADGP_RTP): New mips_loadgp_style.
 140         * config/mips/mips.h: Include config/vxworks-dummy.h.
 141         (TARGET_RTP_PIC): New macro.
 142         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
 143         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
 144         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
 145         for TARGET_RTP_PIC.
 146         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
 147         -mvxworks-pic when using -mrtp and a PIC option.
 148         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
 149         for RTP PIC.
 150         (mips_symbolic_constant_p, mips_symbolic_address_p)
 151         (mips_symbol_insns): Handle SYMBOL_HALF.
 152         (override_options): Warn about -G and -mrtp being used together.
 153         Initialize mips_lo_relocs[SYMBOL_HALF].
 154         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
 155         (mips_emit_loadgp): Handle LOADGP_RTP.
 156         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
 157         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
 158         (tablejump): Handle function-relative case table entries if
 159         TARGET_RTP_PIC.
 160         * config/mips/predicates.md (symbol_ref_operand): New predicate.
 161
 162 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 163
 164         * config/mips/mips.md (load_call<mode>): Allow any general register.
 165         destination.
 166         (sibcall_value_internal, sibcall_value_multiple_internal)
 167         (call_value_internal, call_value_split, call_value_multiple_internal)
 168         (call_value_multiple_split): Remove constraints from operand 0.
 169
 170 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 171
 172         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
 173         rather than loadgp_noshared.
 174         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
 175         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
 176         gen_loadgp.
 177         * config/mips/mips.md (loadgp): Rename to...
 178         (loadgp_newabi): ...this.
 179         (loadgp_noshared): Rename to...
 180         (loadgp_absolute): ...this.
 181
 182 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 183
 184         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
 185         false for locally-binding symbols.
 186         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
 187
 188 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 189
 190         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
 191         (SYMBOL_GOT_PAGE_OFST): ...this.
 192         (SYMBOL_GOT_GLOBAL): Rename to...
 193         (SYMBOL_GOT_DISP): ...this.
 194         (SYMBOL_GOTOFF_GLOBAL): Rename to...
 195         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
 196         * config/mips/mips.c (mips_global_symbol_p): New function.
 197         (mips_symbol_binds_local_p): Likewise.
 198         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
 199         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
 200         and mips_symbol_binds_local_p.
 201         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
 202         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
 203         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
 204         SYMBOL_GOTOFF_DISP.
 205         (mips_ok_for_lazy_binding_p): New function.
 206         (mips_load_call_address, mips_expand_call): Use it.
 207         (mips_dangerous_for_la25_p): Likewise.
 208         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
 209         (*got_disp<mode>): Use got_disp_operand instead of
 210         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
 211         SYMBOL_GOTOFF_GLOBAL.
 212         (*got_page<mode>): Use got_page_ofst_operand instead of
 213         local_got_operand.
 214         * config/mips/predicates.md (const_call_insn_operand): Use
 215         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
 216         (global_got_operand): Rename to...
 217         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
 218         SYMBOL_GOT_GLOBAL.
 219         (local_got_operand): Rename to...
 220         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
 221         of SYMBOL_GOT_LOCAL.
 222
 223 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 224
 225         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
 226         TARGET_CALL_CLOBBERED_GP.
 227         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 228         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
 229         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
 230         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
 231         of TARGET_ABICALLS && !TARGET_NEWABI.
 232         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 233         * config/mips/mips.c (mips_load_call_address): Check
 234         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 235         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 236         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
 237         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
 238         TARGET_ABICALLS && TARGET_NEWABI.
 239         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
 240         TARGET_ABICALLS.
 241         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
 242         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
 243         TARGET_ABICALLS && TARGET_NEWABI.
 244         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
 245         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
 246         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
 247         whether indirect calls must use $25.
 248         (mips_extra_live_on_entry): Check TARGET_GOT instead of
 249         TARGET_ABICALLS.
 250         * config/mips/mips.md (jal_macro): Check flag_pic and
 251         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
 252         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
 253         instead of TARGET_ABICALLS.
 254         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
 255         TARGET_ABICALLS && TARGET_OLDABI.
 256         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
 257         (sibcall): In the comment above the define_insn, mention
 258         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
 259         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
 260         instead of TARGET_ABICALLS.
 261
 262 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
 263
 264         * doc/md.texi (Blackfin family constraints): Document PA and PB.
 265         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
 266         (MACFLAGS_MATCH_P): New macro.
 267         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
 268         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
 269         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
 270         the other MACFLAG constants.
 271         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
 272         (flag_machi): Tighten constraints.  Renumber some of the operands.
 273         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
 274         output template.
 275         (flag_machi_parts_acconly): New pattern.
 276         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
 277         used.
 278         (flag_macinit1hi): Tighten constraints.
 279         (flag_mul_macv2hi_parts_acconly): New pattern.
 280
 281         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
 282         Use a more efficient implementation.
 283         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
 284         inline sequences when not optimizing for size.
 285
 286         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
 287         movhi_high2low): Delete, merge functionality into...
 288         (packv2hi): ... this pattern.
 289
 290         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
 291         * config/bfin/bfin.opt (msim): New option.
 292         (mcpu=): New option.
 293         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
 294         (bfin_cpu_t): Typedef of enum bfin_cpu.
 295         (bfin_cpu_type): New declaration.
 296         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
 297         -msim and -mcpu= options.
 298         (LIB_SPEC): Likewise.
 299         * config/bfin/bfin.c (bfin_cpu_type): Define.
 300         (bfin_handle_option): Handle -mcpu= option.
 301         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
 302         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
 303         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
 304
 305 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 306
 307         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
 308         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
 309         (powerpc-wrs-vxworksae): Use ${tm_file}.
 310         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
 311         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
 312         * config/i386/vx-common.h: New file.
 313
 314 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
 315
 316         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
 317         of crt0.o%s.
 318
 319 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 320
 321         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
 322         ldxtr.
 323
 324 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
 325
 326         PR c++/31078
 327         PR c++/31103
 328         * c-common.c (c_build_qualified_type): Set canonical type
 329         appropriately.
 330
 331 2007-04-12  Richard Guenther  <rguenther@suse.de>
 332
 333         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
 334         lower bound and element size if lower bound is not zero
 335         or either of the ARRAY_REF operands is set.
 336
 337 2007-04-12  Richard Guenther  <rguenther@suse.de>
 338
 339         PR tree-optimization/24689
 340         PR tree-optimization/31307
 341         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
 342         indices by value.
 343         * gimplify.c (canonicalize_addr_expr): To be consistent with
 344         gimplify_compound_lval only set operands two and three of
 345         ARRAY_REFs if they are not gimple_min_invariant.  This makes
 346         it never at this place.
 347         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
 348
 349 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 350
 351         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
 352         null before emitting a .nsubspa directive.
 353
 354 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 355
 356         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
 357         need_to_partition_p if there are no memory statements in the
 358         function.
 359
 360 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 361
 362         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
 363         (gcd_of_steps_may_divide_p): New function.
 364         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
 365
 366 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 367
 368         * reload.c (find_reloads_toplev, find_reloads_address,
 369         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
 370         not a pointer equality test, to decide if we need to call
 371         push_reg_equiv_alt_mem.
 372
 373 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
 374
 375         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
 376         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
 377         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
 378
 379 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
 380
 381         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
 382         vector to be positive.
 383
 384 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
 385
 386         PR 30735
 387         PR 31090
 388         * doc/invoke.texi: Document --params max-aliased-vops and
 389         avg-aliased-vops.
 390         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
 391         debug_memory_partitions): Move to tree-flow.h
 392         * params.h (AVG_ALIASED_VOPS): Define.
 393         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
 394         users.
 395         (mp_info_t): Likewise.
 396         (get_mem_sym_stats_for): New.
 397         (set_memory_partition): Move from tree-flow-inline.h.
 398         (mark_non_addressable): Only clear the set of symbols for the
 399         partition if it exists.
 400         (dump_memory_partitions): Move from tree-ssa-operands.c
 401         (debug_memory_partitions): Likewise.
 402         (need_to_partition_p): New.
 403         (dump_mem_ref_stats): New.
 404         (debug_mem_ref_stats): New.
 405         (dump_mem_sym_stats): New.
 406         (debug_mem_sym_stats): New.
 407         (update_mem_sym_stats_from_stmt): New.
 408         (compare_mp_info_entries): New.
 409         (mp_info_cmp): Call it.
 410         (sort_mp_info): Change argument to a list of mem_sym_stats_t
 411         objects.
 412         (get_mpt_for): Move from tree-ssa-operands.c.
 413         (find_partition_for): New.
 414         (create_partition_for): Remove.
 415         (estimate_vop_reduction): New.
 416         (update_reference_counts): New.
 417         (build_mp_info): New.
 418         (compute_memory_partitions): Refactor.
 419         Document new heuristic.
 420         Call build_mp_info, update_reference_counts,
 421         find_partition_for and estimate_vop_reduction.
 422         (compute_may_aliases): Populate virtual operands before
 423         calling debugging dumps.
 424         (delete_mem_sym_stats): New.
 425         (delete_mem_ref_stats): New.
 426         (init_mem_ref_stats): New.
 427         (init_alias_info): Call it.
 428         (maybe_create_global_var): Remove alias_info argument.
 429         Get number of call sites and number of pure/const call sites
 430         from gimple_mem_ref_stats().
 431         (dump_alias_info): Call dump_memory_partitions first.
 432         (dump_points_to_info_for): Show how many times a pointer has
 433         been dereferenced.
 434         * opts.c (decode_options): For -O2 set --param
 435         max-aliased-vops to 500.
 436         For -O3 set --param max-aliased-vops to 1000 and --param
 437         avg-aliased-vops to 3.
 438         * fortran/options.c (gfc_init_options): Remove assignment to
 439         MAX_ALIASED_VOPS.
 440         * tree-flow-inline.h (gimple_mem_ref_stats): New.
 441         * tree-dfa.c (dump_variable): Dump memory reference
 442         statistics.
 443         Dump NO_ALIAS* settings.
 444         (referenced_var_lookup): Tidy.
 445         (mem_sym_stats): New.
 446         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
 447         and ORIG are different SSA names for a memory partition.
 448         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
 449         * tree-flow.h (struct mem_sym_stats_d): Define.
 450         (mem_sym_stats_t): Define.
 451         (struct mem_ref_stats_d): Define.
 452         (struct gimple_df): Add field mem_ref_stats.
 453         (enum noalias_state): Define.
 454         (struct var_ann_d): Add bitfield noalias_state.
 455         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
 456         debug_mem_ref_stats, debug_memory_partitions,
 457         debug_mem_sym_stats): Declare.
 458         * tree-ssa-structalias.c (update_alias_info): Update call
 459         sites, pure/const call sites and asm sites in structure
 460         returned by gimple_mem_ref_stats.
 461         Remove local variable IS_POTENTIAL_DEREF.
 462         Increase NUM_DEREFS if the memory expression is a potential
 463         dereference.
 464         Call update_mem_sym_stats_from_stmt.
 465         If the memory references memory, call
 466         update_mem_sym_stats_from_stmt for all the direct memory
 467         symbol references found.
 468         (intra_create_variable_infos): Set noalias_state field for
 469         pointer arguments according to the value of
 470         flag_argument_noalias.
 471         * tree-ssa-structalias.h (struct alias_info): Remove fields
 472         num_calls_found and num_pure_const_calls_found.
 473         (update_mem_sym_stats_from_stmt): Declare.
 474         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
 475         Set default value to 100.
 476         (PARAM_AVG_ALIASED_VOPS): Define.
 477
 478 2007-04-11  Richard Guenther  <rguenther@suse.de>
 479
 480         PR middle-end/31530
 481         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
 482         a * -b + c as c - a * b if we honor sign dependent rounding.
 483
 484 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
 485
 486         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
 487         bfin_expand_strmov.
 488         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
 489         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
 490         variables.
 491         (initialize_trampoline): Don't use old-style function definition.
 492         (bfin_secondary_reload): Mark IN_P argument as unused.
 493
 494 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
 495
 496         PR tree-optimization/31343
 497         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
 498         (build_polynomial_chrec): Return a scalar when the evolution is zero.
 499         * testsuite/gcc.dg/vect/pr31343.c: New.
 500
 501 2007-04-10  Eric Christopher  <echristo@apple.com>
 502
 503         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
 504         * config/i386/i386.md (*cmpfp0): Use.
 505         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
 506         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
 507         (fix_trunc<mode>_i386_fisttp): Ditto.
 508         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
 509         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
 510         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
 511         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
 512         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
 513         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
 514         (unnamed_splitters): Ditto.
 515         * config/i386/i386.c (output_fix_trunc): Assert that
 516         we're not being passed a TFmode operand.
 517
 518 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
 519
 520         PR tree-optimization/31526
 521         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
 522         n_basic_blocks to find newly added blocks.
 523
 524 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
 525
 526         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
 527         alternative.
 528         (fix_trunc<mode>si_sse): Ditto.
 529         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
 530         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
 531         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
 532         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
 533         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
 534         expander using SSEMODEF mode macro.
 535         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
 536         expander using SSEMODEF mode macro.
 537         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
 538         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
 539         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
 540         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
 541         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
 542         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
 543         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
 544         Macroize insn using X87MODEF mode macro.
 545
 546 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
 547
 548         * config/i386/sse.md (sse2_pinsrw): Removed.
 549         (sse2_pextrw): Renamed to ...
 550         (*sse2_pextrw): This.
 551
 552 2007-04-09  Jan Hubicka  <jh@suse.cz>
 553
 554         PR target/27869
 555         * config/i386/sse.md
 556         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
 557         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
 558         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
 559         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
 560
 561 2007-04-09  Jan Hubicka  <jh@suse.cz>
 562
 563         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
 564         multiple fields of union.
 565
 566 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
 567
 568         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
 569         (create_preheaders): Check that loops are available.
 570         (fix_loop_structure): Clean up, improve comments.
 571         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
 572         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
 573         state flags.
 574         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
 575         * predict.c (tree_estimate_probability): Do not call
 576         calculate_dominance_info.  Call create_preheaders.
 577         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
 578         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
 579         flags.
 580         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
 581         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
 582         * tree-cfg.c (tree_split_edge): Make an assert more precise.
 583         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
 584         arguments.
 585
 586 2007-04-08  Jan Hubicka  <jh@suse.cz>
 587
 588         * tree.h (maybe_fold_offset_to_component_ref): Declare.
 589         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
 590         * fold-const.c (fold_unary): Use it.
 591
 592 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 593
 594         * varasm.c (assemble_variable): Remove call to
 595         lang_hooks.decls.prepare_assemble_variable.
 596         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
 597         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
 598         * langhooks.h (lang_hooks_for_decls): Remove
 599         prepare_assemble_variable.
 600
 601 2007-04-08  Mike Stump  <mrs@apple.com>
 602
 603         * config/i386/i386.c: Use inc/dec on Core2.
 604
 605 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
 606
 607         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
 608         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 609         lhd_tree_inlining_end_inlining): Remove.
 610         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
 611         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
 612         end_inlining hooks.
 613         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
 614         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
 615         lhd_tree_inlining_end_inlining): Remove prototypes.
 616         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
 617         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
 618         LANG_HOOKS_TREE_INLINING_START_INLINING,
 619         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
 620
 621         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
 622         not set it.
 623
 624 2007-04-08  Anatoly Sokolov <aesok@post.ru>
 625
 626         PR target/29932
 627         * config/avr/predicates.md (io_address_operand): Delete predicate.
 628         (low_io_address_operand): Don't use 'mode' argument.
 629         (higth_io_address_operand): Rename ...
 630         (high_io_address_operand): ... to this. Don't use 'mode' argument.
 631         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
 632         for above change.
 633
 634 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
 635
 636         Revert change removing staticp.
 637
 638 2007-04-07  Anatoly Sokolov <aesok@post.ru>
 639
 640         PR target/30289
 641         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
 642         earlyclobber.
 643
 644 2007-04-07  Bruce Korb  <bkorb@gnu.org>
 645
 646         * c.opt: Add -Wformat-contains-nul.
 647         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
 648           -Wformat setting.
 649         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
 650         the NUL byte warning.
 651
 652 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
 653
 654         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
 655
 656 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 657
 658         * tree.c (staticp): No longer use staticp langhook.
 659         * langhooks.c (lhd_staticp): Removed.
 660         * langhooks.h (struct lang_hooks): Remove staticp.
 661         * c-common.c (c_staticp): Remove.
 662         * c-common.h (c_staticp): Ditto.
 663         * langhooks-defs.h (lhd_staticp): Ditto.
 664         (LHD_HOOKS_STATICP): Ditto
 665         * tree.h (gcc_assert_lowered): New macro.
 666
 667 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
 668
 669         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
 670         argument "reliable".
 671         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
 672         Add argument "reliable".  Propagate it through calls.
 673         (infer_loop_bounds_from_undefined):  Derive number of iterations
 674         estimates from references in blocks that do not dominate loop latch.
 675         (gcov_type_to_double_int): New function.
 676         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
 677         and expected_loop_iterations_unbounded.
 678         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
 679         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
 680         * tree-data-ref.c (estimated_loop_iterations): Export.
 681         (get_references_in_stmt): Fix -- do not return addresses of local
 682         objects.
 683         * cfgloop.h (expected_loop_iterations_unbounded,
 684         estimated_loop_iterations): Declare.
 685
 686 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
 687
 688         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
 689
 690 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 691
 692         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
 693         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
 694         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
 695         Use output_387_reg_move().
 696         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
 697         expander using X87MODEF12 mode macro.
 698         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
 699         choosing register preferences.  Use output_387_reg_move().
 700         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
 701         instead of "x".  Use output_387_reg_move().
 702         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
 703         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
 704         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
 705         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
 706         Use output_387_reg_move().
 707         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
 708         mode macro.
 709         (*truncxf?f_i387 splitter): Ditto.
 710
 711 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
 712
 713         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
 714         LANG_HOOKS_SAFE_FROM_P.
 715         * expr.c (safe_from_p): Remove langhook call.
 716         * langhooks.h (lang_hooks): Remove safe_from_p.
 717         (lhd_safe_from_p): Remove prototype.
 718         * langhooks.c (lhd_safe_from_p): Remove.
 719
 720 2007-04-06  Jan Hubicka  <jh@suse.cz>
 721
 722         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
 723         functions.
 724
 725 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
 726
 727         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
 728         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
 729         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
 730         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
 731         alternative.
 732         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
 733         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
 734
 735 2007-04-05  Richard Henderson  <rth@redhat.com>
 736
 737         * config/alpha/alpha.c (print_operand) [+]: Remove.
 738         (alpha_end_function): Print nop if call at end of function.
 739         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
 740         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
 741         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
 742         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
 743         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
 744         the call pattern. Update peepholes to match.
 745
 746 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
 747
 748         * doc/extend.texi (Other Builtins): Add decimal float variants
 749         of signbit.
 750         * builtins.def: Ditto.
 751         * builtins.c (expand_builtin): Ditto.
 752
 753 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
 754             H.J. Lu  <hongjiu.lu@intel.com>
 755
 756         PR target/31478
 757         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
 758         of V8HImode when calling ix86_binary_operator_ok.
 759         (sse2_pmaddwd): Call ix86_binary_operator_ok.
 760         (sdot_prodv8hi): Operands 1 and 2 must be register.
 761
 762 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 763
 764         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
 765         initialize align to silence bogus warning.
 766
 767 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
 768
 769         PR middle-end/22156
 770         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
 771         all_no_warning.
 772         (struct sra_walk_fns): Remove use_all parameter from use.
 773         (sra_hash_tree): Handle BIT_FIELD_REFs.
 774         (sra_elt_hash): Don't hash bitfld blocks.
 775         (sra_elt_eq): Skip them in parent compares as well.  Handle
 776         BIT_FIELD_REFs.
 777         (sra_walk_expr): Don't maintain or pass down use_all_p.
 778         (scan_use): Remove use_all parameter.
 779         (scalarize_use): Likewise.  Re-expand assignment to
 780         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
 781         output, and re-scalarize after output.  Don't mark anything
 782         for no warning.
 783         (scalarize_ldst): Adjust.
 784         (scalarize_walk_gimple_modify_statement): Likewise.
 785         (build_element_name_1): Handle BIT_FIELD_REFs.
 786         (instantiate_element): Don't warn for any element whose parent
 787         is used as a whole.
 788         (instantiate_missing_elements_1): Return the sra_elt.
 789         (canon_type_for_field): New.
 790         (try_instantiate_multiple_fields): New.
 791         (instantiate_missing_elemnts): Use them.
 792         (mark_no_warning): Removed.
 793         (generate_one_element_ref): Handle BIT_FIELD_REFs.
 794         (REPLDUP, sra_build_elt_assignment): New.
 795         (generate_copy_inout): Use them.
 796         (generate_element_copy): Likewise.  Handle bitfld differences.
 797         (generate_element_zero): Don't recurse for blocks.  Use
 798         sra_build_elt_assignment.
 799         (generate_one_element_int): Take elt instead of var.  Use
 800         sra_build_elt_assignment.
 801         (generate_element_init_1): Adjust.
 802         (scalarize_use, scalarize_copy): Use REPLDUP.
 803         (scalarize_ldst): Move assert before dereference.
 804         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
 805
 806 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 807
 808         * regmove.c: Fix unused variable warnings due to previous commit.
 809
 810 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
 811
 812         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
 813         (regmove_bb_head): Remove.
 814         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
 815         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
 816         problems with fixup_match_1.
 817         Don't initialize/free regmove_bb_head.
 818
 819         (reg_is_remote_constant_p): If an insn is in the same basic block
 820         but not before INSN, consider it remote, too.
 821
 822 2007-04-05  Anatoly Sokolov <aesok@post.ru>
 823
 824         PR target/25448
 825         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
 826         DECL_ASSEMBLER_NAME, not the DECL_NAME.
 827
 828 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
 829
 830         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
 831         (CONDITIONAL_REGISTER_USAGE): Likewise.
 832
 833 2007-04-04  Richard Henderson  <rth@redhat.com>
 834
 835         * config/alpha/lib1funcs.asm: Remove unused file.
 836
 837 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 838
 839         PR other/31356
 840         * opts.c (print_specific_help): Fix --help=<language>
 841         header line.
 842         (common_handle_option): Support --help=common.
 843
 844 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 845
 846         PR other/31353
 847         * gcc.c (main): Do not run the linker if
 848         print_subprocess_help indicates that it shouldn't be
 849         run.
 850
 851 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
 852
 853         PR doc/31355
 854         * doc/invoke.texi (--help=): Document <languages> value, fix
 855         formatting in tables of values.
 856
 857 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
 858
 859         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
 860         dllimport attribute of virtual methods.
 861
 862 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
 863
 864         * config/score/crti.asm: Change _bss_start to __bss_start.
 865         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
 866         (OUTGOING_REG_PARM_STACK_SPACE) update.
 867         * config/score/score.opt: add options to make backend support
 868         score5, score5u, score7 and score7d.
 869         * config/score/score.md: Likewise.
 870         * config/score/misc.md: Likewise.
 871         * config/score/mac.md: Likewise.
 872         * doc/invoke.texi: Likewise.
 873         * doc/md.texi: update constraints define.
 874
 875 2007-04-03  Richard Henderson  <rth@redhat.com>
 876
 877         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
 878         an appropriate type, use the mode instead.
 879
 880 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
 881
 882         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
 883         Set the default --with-arch setting to mips2.
 884         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
 885         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 886         (MULTILIB_OSDIRNAMES): Delete.
 887         (MULTILIB_DIRNAMES): Define.
 888         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
 889         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
 890         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
 891         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
 892         VXWORKS_OS_CPP_BUILTINS.
 893         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
 894         (MIPS_DEBUGGING_INFO): Undefine.
 895         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
 896
 897 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
 898
 899         PR middle-end/30704
 900         * fold-const.c (native_encode_real): Encode real.c provided longs
 901         as a series of 32-bit native integers.
 902         (native_interpret_real): Interpret buffer as a series of 32-bit
 903         native integers.
 904
 905 2007-04-03  Richard Guenther  <rguenther@suse.de>
 906
 907         * genpreds.c (write_insn_constraint_len): Write function
 908         optimized for CONSTRAINT_LEN implementation.
 909         (write_tm_preds_h): Output insn_constraint_len inline and
 910         use it for CONSTRAINT_LEN.
 911         (write_insn_preds_c): Don't output insn_constraint_len.
 912         * doc/md.texi (define_register_constraint): Document multi-letter
 913         constraints shall have the same length if they start with the same
 914         letter.
 915
 916 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 917
 918         PR target/31175
 919         * config/i386/i386.md (isinf<mode>2): Expand only when
 920         TARGET_C99_FUNCTIONS is set.
 921
 922 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
 923
 924         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
 925         (x86_64-*-linux*): Ditto.
 926         * config/i386/i386.opt (mpc): New option.
 927         * config/i386/i386.c (overrride_options): Handle
 928         ix87_precision_string.
 929         * config/i386/crtprec.c: New file.
 930         * config/i386/t-crtpc: Ditto.
 931         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
 932         and -mpc80 options.
 933         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
 934         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
 935         crtprec32.o, crtprec64.o and crtprec80.o.
 936
 937         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
 938         and -mpc80 options.
 939         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
 940
 941 2007-04-02  Eric Christopher  <echristo@apple.com>
 942
 943         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
 944         limitations on darwin.
 945
 946 2007-04-02  Anatoly Sokolov <aesok@post.ru>
 947
 948         PR target/31137
 949         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
 950
 951 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 952
 953         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
 954
 955 2007-04-02  Dave Korn  <dave.korn@artimi.com>
 956
 957         * libgcc2.h (exception_descriptor): Don't forward-declare.
 958         (__get_eh_table_language, __get_eh_table_version): Delete
 959         prototypes of long-dead functions.
 960
 961 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
 962
 963         * ebitmap.h: New file
 964         * ebitmap.c: New file
 965         * Makefile.in (ebitmap.o): New target.
 966
 967 2007-04-01  Jan Hubicka  <jh@suse.cz>
 968
 969         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
 970         before very first instruction.
 971
 972 2007-04-01  Jan Hubicka  <jh@suse.cz>
 973
 974         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
 975         waring on 64bit hosts.
 976         * bitmap.h: Fix typo in bitmap_head_def.
 977
 978 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
 979
 980         PR rtl-optimization/31391
 981         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
 982         into a DELETED_LABEL note, and the label is in an empty basic
 983         block, update BB_END as well as BB_HEAD.
 984
 985 2007-04-01  Richard Henderson  <rth@redhat.com>
 986
 987         PR tree-optimization/31169
 988         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
 989         to varying if the range is outside [0,  prec-1].
 990
 991 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
 992
 993         PR target/31388
 994         * config/mips/mips.md (load_const_gp): New insn.
 995         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
 996         the MIPS16 GP pseudo register if no_new_pseudos.
 997         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
 998
 999 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1000
1001         PR target/31364
1002         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
1003         secureplt.
1004         (call_value): Likewise.
1005
1006 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
1007             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1008
1009         PR 14737
1010         * doc/invoke.texi: (optimization options): Reword description
1011         of -ffast-math. Document its primary purpose.
1012
1013 2007-03-31  Richard Guenther  <rguenther@suse.de>
1014
1015         * omp-low.c (splay-tree.h): Include.
1016         (lookup_decl): Replace splay-tree usage by pointer-map.
1017         (maybe_lookup_decl): Likewise.
1018         (new_omp_context): Likewise.
1019         (delete_omp_context): Likewise.
1020         * gimplify.c (splay-tree.h): Include.
1021         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
1022         pointer-map.
1023         (remap_ssa_name): Likewise.
1024         (remap_decl): Likewise.
1025         (remap_type_1): Likewise.
1026         (remap_type): Likewise.
1027         (copy_body_r): Likewise.
1028         (expand_call_inline): Likewise.
1029         (clone_body): Likewise.
1030         (copy_tree_r): Likewise.
1031         (remap_save_expr): Likewise.
1032         (unsave_r): Likewise.
1033         (unsave_expr_now): Likewise.
1034         (tree_function_versioning): Likewise.
1035         (build_duplicate_type): Likewise.
1036         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
1037         (struct copy_body_data): Replace splay-tree by pointer-map.
1038         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
1039         not $(SPLAY_TREE_H).
1040         (gimplify.o): Depend on $(SPLAY_TREE_H).
1041         (omp-low.p): Likewise.
1042
1043 2007-03-31  Anatoly Sokolov <aesok@post.ru>
1044
1045         * config/avr/predicates.md (even_register_operand,
1046         odd_register_operand): New predicates.
1047         * config/avr/avr.md (movw peephole2): New.
1048         (movw_r peephole2): New.
1049
1050 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
1051
1052         * tree.h (get_signed_or_unsigned_type): New.
1053         * fold-const.c (operand_equal_for_comparison_p): Use
1054         get_signed_or_unsigned_type instead of
1055         lang_hooks.types.signed_or_unsigned_type.
1056         * expr.c (store_expr): Ditto.
1057         * langhooks.c (get_signed_or_unsigned_type): New.
1058         (lhd_signed_or_unsigned_type): New.
1059         * langhooks.h (lhd_signed_or_unsigned_type): New.
1060         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
1061
1062 2007-03-30  Richard Henderson  <rth@redhat.com>
1063
1064         * tree-ssa-loop-ivopts.c: Include target.h.
1065         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
1066         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
1067         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
1068         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
1069
1070 2007-03-30  Richard Henderson  <rth@redhat.com>
1071             Kai Tietz  <kai.tietz@onevision.com>
1072
1073         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
1074         default for 64-bit.
1075         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
1076         (TARGET_64BIT_MS_ABI): New.
1077         (DBX_REGISTER_NUMBER): Handle 64-bit.
1078         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
1079         (LONG_TYPE_SIZE): Force to 32.
1080         (REG_PARM_STACK_SPACE): New.
1081         (OUTGOING_REG_PARM_STACK_SPACE): New.
1082         (REGPARM_MAX, SSE_REGPARM_MAX): New.
1083         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1084         (STACK_BOUNDARY): Use 128 for 64-bit.
1085         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
1086         Add 64-bit implementation.
1087         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
1088         argument unused.
1089         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
1090         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
1091         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
1092         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
1093         (ix86_handle_cconv_attribute): Don't warn when ignoring if
1094         TARGET_64BIT_MS_ABI.
1095         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
1096         (ix86_pass_by_reference): Likewise.
1097         (ix86_function_value_regno_p): Likewise.
1098         (ix86_build_builtin_va_list): Likewise.
1099         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
1100         (function_arg_advance_ms_64): New.
1101         (function_arg_advance): Call it.
1102         (function_arg_ms_64): New.
1103         (function_arg): Call it.
1104         (function_value_ms_64): New.
1105         (ix86_function_value_1): Call it.
1106         (return_in_memory_ms_64): New.
1107         (ix86_return_in_memory): Call it.
1108         (setup_incoming_varargs_ms_64): New.
1109         (ix86_setup_incoming_varargs): Call it.
1110         (ix86_expand_prologue): Handle 64-bit stack probing.
1111         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
1112         (output_pic_addr_const): Likewise.
1113         (x86_this_parameter): Likewise.
1114         (x86_output_mi_thunk): Likewise.
1115         (x86_function_profiler): Likewise.
1116         (TARGET_STRICT_ARGUMENT_NAMING): New.
1117         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
1118         (TARGET_64BIT_MS_ABI): New.
1119         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
1120         * config/i386/i386.md (allocate_stack_worker): Remove.
1121         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
1122         describe the clobber of eax without a match_scratch.
1123         (allocate_stack_worker_postreload): Remove.
1124         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
1125         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
1126         (allocate_stack_worker_rex64_postreload): Remove.
1127         (allocate_stack): Handle 64-bit.
1128         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
1129         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
1130         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
1131         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
1132         (STANDARD_STARTFILE_PREFIX_1): Likewise.
1133         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
1134         * config.build (x86_64-*-mingw*): New host.
1135         * config.host (x86_64-*-mingw*): New host.
1136         * config.gcc (x86_64-*-mingw*): New target.
1137         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
1138
1139 2007-03-30  Richard Henderson  <rth@redhat.com>
1140             Kai Tietz  <kai.tietz@onevision.com>
1141
1142         * c-pragma.c (struct def_pragma_macro_value): New.
1143         (struct def_pragma_macro): New.
1144         (pushed_macro_table): New.
1145         (dpm_hash, dpm_eq): New.
1146         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
1147         (init_pragma): Install them.
1148         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
1149
1150 2007-03-30  Anatoly Sokolov <aesok@post.ru>
1151
1152         * config/avr/avr.c (avr_override_options): Clear
1153         'flag_delete_null_pointer_checks'.
1154
1155 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
1156
1157         PR c++/26099
1158         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
1159         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
1160         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
1161         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
1162         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
1163         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
1164         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
1165         C++ extensions.
1166         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
1167
1168 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
1169
1170         * regmove.c: Move all of pass_stack_adjustments from here...
1171         * combine-stack-adj.c: ...to this new file.
1172         * Makefile.in: Add rules for combine-stack-adj.o.
1173
1174 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
1175
1176         PR tree-optimization/31383
1177         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
1178         to have the same length.
1179
1180 2007-03-30  Jan Hubicka  <jh@suse.cz>
1181
1182         PR middle-end/30700
1183         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
1184         availablility; add more sanity checking; ask varpool only about
1185         VAR_DECL.
1186
1187 2007-03-29  Richard Henderson  <rth@redhat.com>
1188
1189         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
1190         to decide, but __SIZEOF_LONG_LONG__.
1191
1192 2007-03-29  Richard Henderson  <rth@redhat.com>
1193
1194         * emutls.c (struct __emutls_array): New.
1195         (emutls_destroy): Use it instead of casting element 0 from void*.
1196         (__emutls_get_address): Likewise.
1197
1198 2007-03-29  Richard Henderson  <rth@redhat.com>
1199
1200         * varasm.c (initializer_constant_valid_p): Don't deny
1201         DECL_DLLIMPORT_P on functions.
1202
1203         * config/i386/cygming.h: Remove function declarations.
1204         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
1205         (ASM_OUTPUT_LABELREF): Remove.
1206         (COMMON_ASM_OP): Remove.
1207         (ASM_OUTPUT_COMMON): Remove.
1208         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
1209         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
1210         (ASM_DECLARE_FUNCTION_NAME): Likewise.
1211         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
1212         Rename from TARGET_ENCODE_SECTION_INFO.
1213         * config/i386/netware.h: Likewise.
1214         * config/i386/i386-protos.h: Update.
1215         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
1216         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
1217         (legitimate_constant_p): Reject dllimports.
1218         (dllimport_map, get_dllimport_decl): New.
1219         (legitimize_dllimport_symbol): New.
1220         (legitimize_address, ix86_expand_move): Use it.
1221         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
1222         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
1223         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
1224         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
1225         * config/i386/predicates.md (constant_call_address_operand): Only
1226         accept symbols; reject dllimport_p symbols.
1227         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
1228         i386_pe_maybe_record_exported_symbol.
1229         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
1230         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
1231         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
1232         trust the setting of DECL_DLLIMPORT_P.
1233         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
1234         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
1235         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
1236         tidy the argument scanning loop.
1237         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
1238         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
1239         (i386_pe_strip_name_encoding): Remove.
1240         (i386_pe_binds_local_p): New.
1241         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
1242         (i386_pe_output_labelref): Remove.
1243         (i386_pe_asm_output_aligned_decl_common): New.
1244         (i386_pe_maybe_record_exported_symbol): Rename from
1245         i386_pe_record_exported_symbol; check for dllexported symbols.
1246
1247 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
1248
1249         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
1250         add comment explaining why vsnprintf cannot be used.
1251
1252 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
1253
1254         PR tree-optimization/30666
1255         * tree.c (build_complex_type): When creating type names for DWARF2
1256         debug info, create TYPE_DECLs for TYPE_NAME instead of
1257         IDENTIFIER_NODEs.
1258         (build_common_tree_nodes_2): Use build_complex_type when building
1259         predefined complex types, to preserve canonical types.
1260
1261 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
1262
1263         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
1264         (noce_get_alt_condition): Look at it to determine whether to
1265         reverse the condition or not.
1266         (noce_get_condition): Substitute the truth for lies.
1267         (noce_find_if_block): Set the then_else_reversed field.
1268
1269 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
1270
1271         * config/fr30/fr30.md (movdi): Do not accept immediates as the
1272         destination of this insn.
1273         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
1274         than calling gen_rtx_SET directly.  Use r0 to hold the value of
1275         'address + 4' rather than a stack based temporary which can be
1276         mis-optimized away.
1277
1278 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1279
1280         * config/s390/s390.c (s390_secondary_input_reload_class,
1281         s390_secondary_output_reload_class): Functions removed.
1282         (s390_secondary_reload): New function.
1283         (TARGET_SECONDARY_RELOAD): Target macro defined.
1284         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
1285         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
1286         * config/s390/s390.md ("reload_outti", "reload_outdi",
1287         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
1288         "reload_out<mode>"): Expanders removed.
1289         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
1290         "reload<mode>_nonoffmem_out"): Expanders added.
1291
1292 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
1293
1294         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
1295         SRC->DEST replacement failed anyway.
1296
1297 2007-03-28  Mike Stump  <mrs@apple.com>
1298
1299         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
1300         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
1301         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
1302
1303 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1304
1305         * config.gcc: Accept barcelona as a variant of amdfam10.
1306         * config/i386/i386.c (override_options): Likewise.
1307         * doc/invoke.texi: Likewise.
1308
1309 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
1310
1311         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
1312         offsets for BIT_FIELD_REF and COMPONENT_REF.
1313
1314 2007-03-28  Richard Guenther  <rguenther@suse.de>
1315
1316         * tree.c (is_global_var): Move ...
1317         * tree-flow-inline.h (is_global_var): ... here.
1318         * tree.h (is_global_var): Remove declaration.
1319
1320 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
1321
1322         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
1323         option.
1324         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
1325         * config/i386/i386.c (ix86_tune_features): Initialize new
1326         tuning option.
1327         * config/i386/predicates.md (promotable_binary_operator): Use
1328         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
1329
1330 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
1331
1332         PR target/31380
1333         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
1334
1335 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
1336
1337         * config/fr30/fr30.md (movsi_internal): Change destination
1338         constraint from m to V and add m to the end.
1339
1340 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1341
1342         * config/sh/sh.md (movsi_i): Fix type attribute.
1343
1344 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1345
1346         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
1347         (movsf_ie): Likewise.
1348
1349 2007-03-28  Christian Bruel  <christian.bruel@st.com>
1350
1351         * config.gcc: Add sh4-300 to multilib.
1352         * config/sh/t-mlib-sh4-300: New file.
1353
1354 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1355
1356         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
1357         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
1358         fix_trunc<mode>di2.
1359         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
1360         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
1361         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
1362         "fixuns_trunctddi2"): Whitespace fix.
1363
1364 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1365
1366         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
1367         the definition of struct sh_args.
1368         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
1369         CALL_COOKIE_INT_REG_GET): Likewise.
1370
1371 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
1372
1373         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
1374         transformations are applied successfully.
1375
1376 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
1377
1378         * tree.c (tree_contains_struct): Permit 512 tree codes.
1379         * tree.h (tree_contains_struct): Ditto.
1380         (MAX_TREE_CODES): Ditto.
1381         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
1382         SPARE member to store remaining padding bits.
1383
1384 2007-03-27  Anatoly Sokolov <aesok@post.ru>
1385
1386         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
1387         architecture.
1388
1389 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
1390
1391         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
1392         * configure: Regenerate.
1393
1394         * configure: Regenerate using the correct version of autoconf.
1395
1396 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
1397
1398         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
1399         pointer regs.
1400         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
1401         regs to "__SP_L__" and "__SP_H__".
1402
1403 2007-03-27  Richard Guenther  <rguenther@suse.de>
1404
1405         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
1406         computations with it with a HOST_WIDE_INT variable.
1407
1408 2007-03-26  Mike Stump  <mrs@apple.com>
1409
1410         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
1411         objective-c-header, objective-c++-header and objc++-cpp-output
1412         support.
1413         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
1414
1415 2007-03-26  Richard Henderson  <rth@redhat.com>
1416
1417         PR target/31361
1418         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
1419         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
1420         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
1421         IX86_BUILTIN_PSRLQ128): New.
1422         (ix86_init_mmx_sse_builtins): Add them.
1423         (ix86_expand_builtin): Expand them.
1424         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
1425         operand 2 be TImode.
1426         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
1427         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
1428         _mm_srli_epi64): Mark __B const.
1429         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
1430         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
1431         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
1432         new two-vector shift builtins.
1433
1434 2007-03-26  Ian Lance Taylor  <iant@google.com>
1435
1436         PR tree-optimization/31345
1437         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
1438         [+INF, +INF(OVF)] into VARYING.
1439
1440 2007-03-26  Zack Weinberg  <zackw@panix.com>
1441
1442         * gengtype-parse.c: New file.
1443         * gengtype-yacc.y: Delete.
1444         * gengtype-lex.l: Don't include gengtype-yacc.h.
1445         Define YY_DECL and yyterminate appropriately for recursive
1446         descent parser.  yylval is now a string out-parameter to yylex.
1447         (HWS, EOID): New shorthand.
1448         (IWORD): Add a couple more types.
1449         (yylex): Add a setup stanza.  Remove the complex rules for
1450         detecting GTY'ed types and typedefs; replace with simple
1451         keyword detectors.  Adjust everything for the changed
1452         definition of yylval.  Ignore all pp-directives, not just #define.
1453         (yyerror): Delete.
1454         (parse_file): Rename yybegin; do not call yyparse.
1455         (yyend): New.
1456         * gengtype.c (xasprintf): Export again.
1457         (this_file): New.  Use everywhere __FILE__ was being used.
1458         (get_lang_bitmap): Special case types defined in gengtype.c.
1459         (do_typedef, new_structure): Suppress definition of certain types.
1460         (new_structure): Improve diagnostics of duplicate definitions.
1461         Make sure location_s is associated with input.h.
1462         (nreverse_pairs, define_location_structures): New functions.
1463         (main): Improve tagging of kludge types.  Remove old kludges
1464         for input.h types; use define_location_structures.
1465         * gengtype.h: Update prototypes.  Define token codes here.
1466         * Makefile.in: Remove all references to gengtype-yacc.
1467         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
1468         and gengtype.
1469         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
1470         add GTY((skip)) to the field that's only conditionally there.
1471         * doc/install.texi: Document that Bison is no longer required
1472         unless building treelang.
1473
1474         * gengtype.c: Don't include gtyp-gen.h.
1475         (srcdir): Declare here.
1476         (base_files, lang_dir_names): Allocate dynamically.
1477         (gt_files, num_gt_files, num_lang_dirs): New globals.
1478         (measure_input_list, read_input_line, read_input_list)
1479         (set_lang_bitmap): New functions.
1480         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
1481         simplify, relying on read_input_list to set up the bitmaps.
1482         (main): Arguments are no longer unused.  Check for correct number
1483         of command line arguments, set srcdir and srcdir_len, then call
1484         read_input_list, before doing anything else.  No need to worry
1485         about duplicates in main loop.
1486         * configure.ac: Simplify the calculation of all_gtfiles.
1487         Put language tags in there.  Don't set or substitute
1488         all_gtfiles_files_langs or all_gtfiles_files_frags.
1489         * Makefile.in: Revamp the way gengtype is invoked, now that it
1490         takes a file on its command line with a much simpler format.
1491         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
1492         (GTFILES): Remove duplicates and C source files.
1493         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
1494         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
1495         * configure: Regenerate.
1496
1497         * gengtype.h: Remove all type definitions to gengtype.c; leave
1498         only definitions of options_p, type_p, and pair_p as opaque
1499         pointers.  Update prototypes.
1500         * gengtype.c: Many type definitions moved here from gengtype.h.
1501         Consolidate type definitions at the top of the file.
1502         (xvasprintf): Delete.
1503         (xasprintf): Make static.
1504         (create_nested_pointer_option): Add 'next' parameter.
1505         (create_field_all, create_field_at): New functions.
1506         (create_field): Now a thin wrapper around create_field_all.
1507         (create_optional_field): Rename create_optional_field_ and add
1508         line argument.  Original name is now a macro which supplies
1509         __LINE__.
1510         (oprintf): Use vsnprintf directly.
1511         (close_output_files): Use fatal rather than perror/exit.
1512         (note_def_vec, note_def_vec_alloc): Use create_field_at.
1513         (main): Set progname.  Don't use exit.
1514         * gengtype-yacc.y (struct_fields): Use create_field_at.
1515         (option, optionseqopt): Delete.
1516         (optionseq): Consolidate productions from option here so we
1517         can use the first argument to create_option.
1518
1519         * gengtype-lex.l: Distinguish unions from structures in the
1520         token type.  Don't call find_structure; return the tag as a string.
1521         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
1522         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
1523         Reorganize typedef_struct production accordingly.
1524         Use create_nested_ptr_option.
1525         * gengtype.c (create_nested_ptr_option): New function.
1526         * gengtype.h: Declare it.
1527
1528         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
1529         (string_type): Don't declare.
1530         (do_scalar_typedef): Declare.
1531         (create_scalar_type): Update prototype.
1532         * gengtype.c (string_type): Make static.
1533         (scalar_nonchar, scalar_char): New.
1534         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
1535         (resolve_typedef): Use scalar_nonchar for error recovery.
1536         (create_scalar_type): Remove name_len field.  Return scalar_char
1537         or scalar_nonchar as appropriate.
1538         (adjust_field_type): Look at scalar_is_char boolean to decide whether
1539         to use string_type.
1540         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
1541         whenever possible.
1542         (main): Initialize scalar_char and scalar_nonchar before calling
1543         gen_rtx_next.
1544         * gengtype-lex.l: Adjust for removal of second argument to
1545         create_scalar_type.  Use yylval.s instead of yylval.t when
1546         returning SCALAR.
1547         * gengtype-yacc.y: Type of SCALAR is string.  Call
1548         create_scalar_type from type:SCALAR rule.  Adjust for removal of
1549         second argument to create_scalar_type.
1550
1551         * vec.h: Remove all #if IN_GENGTYPE blocks.
1552         Add comment saying that changes may require adjustments to gengtype.
1553         * gengtype.c: Don't include coretypes.h or tm.h.
1554         Add comment to inclusion of errors.h.
1555         (note_def_vec, note_def_vec_alloc): New functions.
1556         * gengtype.h: Declare new functions.
1557         * gengtype-lex.l: Don't include coretypes.h.
1558         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
1559         Delete.
1560         (update_lineno): Remove unnecessary prototype.
1561         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
1562         (VEC rule): Just return VEC_TOKEN.
1563         * gengtype-yacc.y (VEC_TOKEN): New token type.
1564         (type): Add a production for VEC(a,b).
1565         * Makefile.in: Update dependencies.
1566
1567         * gengtype-lex.l: Remove rules for parsing pointer-to-function
1568         typedefs that use the old PARAMS macro.
1569
1570         * gengtype-lex.l: Remove all rules and states relating to yacc
1571         input files.
1572         * gengtype-yacc.y: Similarly.
1573         * gengtype.c (note_yacc_type): Delete function.
1574         * gengtype.h: Update prototypes.
1575
1576 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
1577
1578         * tree-pretty-print.c (dump_generic_node): Report precision of
1579         unnamed integer types.
1580
1581 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
1582
1583         * ifcvt.c (noce_try_store_flag_constants): Don't check
1584         no_new_pseudos here.
1585         (noce_try_store_flag_constants): Don't check no_new_pseudos.
1586         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
1587         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
1588         noce_try_sign_mask): Likewise.
1589         (if_convert): Check no_new_pseudos here.
1590
1591         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
1592         Remove prototypes.
1593         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
1594         (noce_get_condition): Handle new then_else_reversed argument.
1595         (noce_init_if_info): Remove, fold into noce_find_if_block.
1596         (noce_process_if_block): Take a struct noce_if_info as the
1597         argument.  Don't set up one based on ce_if_info.  Update pointer
1598         references accordingly.
1599         (cond_move_process_if_block): Likewise.
1600         (process_if_block): Removed.
1601         (find_if_block): Removed.  Move functionality two new functions,
1602         noce_find_if_block and cond_exec_find_if_block.
1603         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
1604         blocks and the symmetric IF-ELSE-JOIN case.
1605         (cond_exec_find_if_block): Also new function mostly based on old
1606         find_if_block and process_if_block.
1607         (find_if_header): Replace find_if_block call with separately
1608         guarded calls to noce_find_if_block and cond_exec_find_if_block.
1609         (find_cond_trap): Update noce_get_condition call.
1610         (dead_or_predicable): Likewise.
1611
1612 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
1613
1614         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
1615         Remove.
1616         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
1617         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
1618         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
1619         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
1620         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
1621         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
1622         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
1623         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
1624         __builtin_ia32_psrad128 builtins.
1625
1626 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
1627
1628         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
1629         * config/i386/constraints.md
1630         (define_constraint "I"): Use IN_RANGE macro.
1631         (define_constraint "J"): Ditto.
1632         (define_constraint "K"): Ditto.
1633         (define_constraint "M"): Ditto.
1634         (define_constraint "N"): Ditto.
1635         (define_constraint "O"): Ditto.
1636         * config/i386/predicates.md
1637         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
1638         (define_predicate "const_0_to_3_operand"): Ditto.
1639         (define_predicate "const_0_to_7_operand"): Ditto.
1640         (define_predicate "const_0_to_15_operand"): Ditto.
1641         (define_predicate "const_0_to_63_operand"): Ditto.
1642         (define_predicate "const_0_to_255_operand"): Ditto.
1643         (define_predicate "const_1_to_31_operand"): Ditto.
1644         (define_predicate "const_2_to_3_operand"): Ditto.
1645         (define_predicate "const_4_to_7_operand"): Ditto.
1646
1647 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1648
1649         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
1650         in SImode for save_world.
1651         * config/rs6000/altivec.md (save_world, restore_world): Convert to
1652         LR hard reg.
1653
1654 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
1655
1656         PR tree-optimization/30784
1657         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
1658         BIT_FIELD_REF.
1659
1660 2007-03-25  Revital Eres  <eres@il.ibm.com>
1661
1662         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
1663           Fold movement_possibility function into it.
1664
1665 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
1666
1667         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
1668         (load_macho_picbase_{si,di}): Convert to LR hard reg.
1669         (call_indirect_nonlocal_darwin64): Same.
1670         (call_nonlocal_darwin64): Same.
1671         (call_value_indirect_nonlocal_darwin64): Same.
1672         (call_value_nonlocal_darwin64): Same.
1673         (sibcall_nonlocal_darwin64): Same.
1674         (sibcall_value_nonlocal_darwin64): Same.
1675         (sibcall_symbolic_64): Same.
1676         (sibcall_value_symbolic_64): Same.
1677         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
1678         LR pseudo.
1679         (rs6000_emit_load_toc_table): Same.
1680         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
1681         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
1682         (mull_call): Same.
1683         (divss_call): Same.
1684         (divus_call): Same.
1685         (quoss_call): Same.
1686         (quous_call): Same.
1687         (load_toc_v4_pic_si): Same
1688         (load_toc_v4_PIC_1): Same.
1689         (load_toc_v4_PIC_1b): Same.
1690         (call_indirect_aix{32,64}): Same.
1691         (call_value_indirect_aix{32,64}): Same.
1692         (call): Same.
1693         (call_value): Same.
1694         (call_local{32,64}): Same.
1695         (call_value_local{32,64}): Same.
1696         (call_indirect_nonlocal_aix{32,64}): Same.
1697         (call_nonlocal_aix{32,64}): Same.
1698         (call_value_indirect_nonlocal_aix{32,64}): Same.
1699         (call_value_nonlocal_aix{32,64}): Same.
1700         (call_indirect_nonlocal_sysv<mode>): Same.
1701         (call_nonlocal_sysv<mode>): Same.
1702         (call_value_indirect_nonlocal_sysv<mode>): Same.
1703         (call_value_nonlocal_sysv<mode>): Same.
1704         (sibcall): Same.
1705         (sibcall_local{32,64}): Same.
1706         (sibcall_value_local{32,64}): Same.
1707         (sibcall_nonlocal_aix{32,64}): Same.
1708         (sibcall_value_nonlocal_aix{32,64}): Same.
1709         (sibcall_nonlocal_sysv<mode>): Same.
1710         (sibcall_value): Same.
1711         (sibcall_value_nonlocal_sysv<mode>): Same.
1712
1713 2007-03-24  Paul Brook  <paul@codesourcery.com>
1714
1715         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
1716         * config/arm/linux-eabi.h: Remove legacy syscall hack.
1717
1718 2007-03-24  Richard Henderson  <rth@redhat.com>
1719
1720         * config/ia64/constraints.md: New file.
1721         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
1722         satisfies_constraint_?.
1723         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
1724         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
1725         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
1726         ia64_output_mi_thunk): Likewise.
1727         (ia64_const_ok_for_letter_p): Remove.
1728         (ia64_const_double_ok_for_letter_p): Remove.
1729         (ia64_extra_constraint): Remove.
1730         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
1731         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
1732         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
1733         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
1734         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
1735         EXTRA_MEMORY_CONSTRAINT): Remove.
1736         * config/ia64/ia64.md: Include constriants.md.  Replace
1737         CONST_OK_FOR_? with satisfies_constraint_?.
1738
1739 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
1740             H.J. Lu  <hongjiu.lu@intel.com>
1741
1742         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
1743         DPD or BID name.
1744         (name macros): Use DPD_BID_NAME to convert names properly.
1745
1746         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
1747         decimal floating point format.
1748         (init_floating_libfuncs): Change decimal functions so that they
1749         have a "bid_" prefix if the decimal system uses the BID format,
1750         and "dpd_" prefix if the decimal system uses the DPD format.
1751         (init_interclass_conv_libfuncs): Ditto.
1752         (init_intraclass_conv_libfuncs): Ditto.
1753
1754         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1755         using the BID format.
1756
1757         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1758         whether we are using the BID decimal format.
1759         * configure: Regenerate.
1760
1761         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1762         the compiler has decimal floating point enabled.  Define
1763         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1764         instead of DPD.
1765
1766         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
1767         using the BID format.
1768
1769         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
1770         whether we are using the BID decimal format.
1771         * configure: Regenerate.
1772
1773         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
1774         the compiler has decimal floating point enabled.  Define
1775         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
1776         instead of DPD.
1777
1778         * doc/install.texi (--enable-decimal-float): Document BID and DPD
1779         options, and that it is enabled for i386/x86_64 systems.
1780
1781         * Makefile.in (enable_decimal_float): New.
1782         (DECNUMFMT): New.
1783         (DECNUMINC): Add  -I$(DECNUMFMT).
1784         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
1785         to $(DECNUMFMT) from $(DECNUM).
1786
1787         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
1788         Substitute enable_decimal_float.
1789         * configure: Regenerated.
1790
1791         PR other/30529
1792         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
1793         unsigned long.
1794
1795         * configure.ac: Enable decimal float for x86_64-*-linux*.
1796         * configure: Regenerated.
1797
1798         PR other/30530
1799         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
1800         decimal128ClearSign to flip and clear the sign bit in decimal128.
1801         (decimal_real_maxval): Set decimal128SetSign to set the sign
1802         bit in decimal128.
1803
1804 2007-03-23  Ian Lance Taylor  <iant@google.com>
1805
1806         * fold-const.c (fold_binary): Correct warning for X - c >= X.
1807
1808 2007-03-23  Ian Lance Taylor  <iant@google.com>
1809
1810         * tree-dump.c (dump_files): Correct comment.
1811
1812 2007-03-23  Ian Lance Taylor  <iant@google.com>
1813
1814         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
1815
1816 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
1817
1818         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
1819         in cfglayout mode.  Don't go into and out of cfglayout mode.
1820         Link the blocks in the order of the constructed traces.
1821         (rest_of_handle_tracer): Adjust call to tracer.
1822         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
1823         Don't go into cfglayout mode.
1824         (rtl_loop_done): Don't go out of cfglayout mode.
1825         * cfglayout.c (relink_block_chain): New function, split out from...
1826         (fixup_reorder_chain): ...here.  Remove redundant checking.
1827         (cfg_layout_finalize): Don't clear the header, footer, and aux
1828         fields here, move the code to do so to relink_block_chain.  Likewise
1829         for free_original_copy_tables.
1830         * rtl.h (tracer): Update prototype.
1831         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
1832         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
1833         mode.  Use relink_block_chain to serialize the CFG according to the
1834         new basic block order.  Move targetm.cannot_modify_jumps_p check from
1835         here...
1836         (gate_handle_reorder_blocks): ...to here.
1837         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
1838         from here...
1839         (gate_duplicate_computed_gotos): ...to here.
1840         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
1841         something always changes when going into and out of cfglayout mode.
1842         Perform an expensive cfg cleanup while going into cfglayout mode.
1843         Always update liveness information on HAVE_conditional_execution
1844         targets.  Reserialize the basic blocks and go out of cfglayout mode.
1845         * reg-stack.c: Include cfglayout.h.
1846         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
1847         the call to reorder_basic_blocks.
1848         * basic-block.h (reorder_basic_blocks): Update prototype.
1849         (relink_block_chain): New prototype.
1850         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
1851
1852 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
1853
1854         * config/mips/mips.md (type, hazard, *movdi_32bit,
1855         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
1856         *movhi_internal, *movqi_internal, *movsf_hardfloat,
1857         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
1858         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
1859         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
1860         applicable.
1861         (movcc): Change first xfer to multi.
1862         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
1863         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
1864         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
1865         config/mips/generic.md: Change reservations using "xfer" to use
1866         "mfc,mtc".
1867         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
1868         using match_operand.
1869         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
1870         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
1871         examining mode.
1872         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
1873
1874 2007-03-22  Richard Henderson  <rth@redhat.com>
1875
1876         * config/i386/i386.c: Remove unnecessary function declarations.
1877         Move targetm definition, and all related macros, to the end of
1878         the file.  Resort some functions to put definitions before uses.
1879         (ix86_attribute_table): Make static.  Move to end of file.
1880         (ix86_gimplify_va_arg): Make static.
1881
1882 2007-03-22  Richard Henderson  <rth@redhat.com>
1883
1884         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
1885         don't increase local_regparm with force_align_arg_pointer check.
1886         (ix86_function_sseregparm): Assert 32-bit.
1887         (type_has_variadic_args_p): New.
1888         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
1889         type_has_variadic_args_p.
1890         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
1891         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
1892         use memset instead.  Do maybe_vaarg check first; skip attribute
1893         tests if true; skip attribute tests for 64-bit.
1894         (construct_container): Remove TARGET_DEBUG_ARG.
1895         (function_arg_advance_32, function_arg_advance_64): Split out ...
1896         (function_arg_advance): ... from here.
1897         (function_arg_32, function_arg_64): Split out ...
1898         (function_arg): ... from here.
1899         (ix86_pass_by_reference): Tidy.
1900         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
1901         (function_value_32): New, from parts of ix86_function_value
1902         and ix86_value_regno.
1903         (function_value_64): New, from parts of ix86_function_value
1904         and ix86_libcall_value.
1905         (ix86_function_value_1): New.
1906         (ix86_function_value, ix86_libcall_value): Use it.
1907         (return_in_memory_32, return_in_memory_64): Split out ...
1908         (ix86_return_in_memory): ... from here.
1909         (ix86_struct_value_rtx): Skip for 64-bit.
1910         (ix86_libcall_value, ix86_value_regno): Remove.
1911         (setup_incoming_varargs_64): Split out ...
1912         (ix86_setup_incoming_varargs): ... from here.
1913         (ix86_va_start): Remove TARGET_DEBUG_ARG.
1914         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
1915         * config/i386/i386-protos.h (ix86_function_value): Remove.
1916         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
1917
1918 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1919
1920         PR other/23572
1921         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
1922         infinities not supported, otherwise emit warning if -Woverflow. On
1923         underflow, emit warning if -Woverflow.
1924         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
1925         and 0 otherwise.
1926         * real.h (real_from_string): Update declaration
1927
1928 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
1929             Richard Henderson  <rth@redhat.com>
1930
1931         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
1932         * calls.c (compute_argument_block_size, expand_call,
1933         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
1934         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
1935         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
1936         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
1937         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
1938         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
1939         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
1940         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
1941         Set to 1.
1942
1943 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
1944
1945         * c-incpath.c (add_sysroot_to_chain): New.
1946         (merge_include_chains): Add sysroot argument.  Call
1947         add_sysroot_to_chain if sysrooted.
1948         (register_include_chains): Update call to merge_include_chains.
1949         * doc/cppopts.texi: Document use of '=' in include directory
1950         arguments.
1951
1952 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
1953
1954         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
1955         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
1956         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
1957         insn pattern using X87MODEF12 mode macro.
1958
1959 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
1960
1961         * regmove.c (regmove_optimize): Use reg_mentioned_p
1962         instead of reg_overlap_mentioned_p for DST.
1963
1964 2007-03-21  Mike Stump  <mrs@apple.com>
1965
1966         * c.opt: Fixup for Objective-C/C++.
1967
1968 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
1969
1970         * explow.c (convert_memory_address): Fold memory reference when
1971         POINTERS_EXTEND_UNSIGNED < 0
1972
1973 2007-03-21  Richard Henderson  <rth@redhat.com>
1974
1975         PR target/31245
1976         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
1977         * config/i386/mmintrin.h (__m64): Likewise.
1978         * config/i386/xmmintrin.h (__m128): Likewise.
1979
1980 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1981
1982         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
1983         (VXWORKS_OS_CPP_BUILTINS): Define.
1984         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
1985         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
1986
1987 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1988
1989         * rtl.h (constant_pool_reference_p): Delete.
1990         (find_constant_src): Declare.
1991         * rtlanal.c (find_constant_src): New function.
1992         * simplify-rtx.c (constant_pool_reference_p): Delete.
1993         * config/i386/i386.md: Use find_constant_src instead of
1994         constant_pool_reference_p/avoid_constant_pool_reference pairs.
1995
1996 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
1997
1998         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
1999         * c-cppbuiltin.c (c_cpp_builtins): Define them.
2000
2001 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
2002
2003         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
2004         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
2005         (arm_elf_asm_constructor): Use it.
2006         (arm_elf_asm_destructor): New function.
2007
2008 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2009
2010         * jump.c (mark_jump_label): Treat SEQUENCE specially.
2011
2012 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
2013
2014         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
2015
2016 2007-03-19  Andrew Haley  <aph@redhat.com>
2017
2018         PR tree-optimization/31264
2019         * tree-vrp.c (register_edge_assert_for_1): Don't look though
2020         VIEW_CONVERT_EXPRs.
2021
2022 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
2023
2024         PR rtl-optimization/30907
2025         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
2026         (fwprop_init): Always call loop_optimizer_initialize.
2027         (fwprop_done): Always call loop_optimizer_finalize.
2028         (fwprop): We always have loop info now.
2029         (gate_fwprop_addr): Remove.
2030         (pass_fwprop_addr): Use gate_fwprop as gate.
2031
2032         PR rtl-optimization/30841
2033         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
2034         df_chain_alloc): Call df_reorganize_refs unconditionally.
2035         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
2036         refs_organized to refs_organized_size.
2037         (df_ref_create_structure): Use refs_organized_size instead of
2038         bitmap_size if refs had been organized, and keep refs_organized_size
2039         up-to-date.
2040         * df.h (struct df_ref_info): Change refs_organized to
2041         refs_organized_size.
2042         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
2043         bitmap_size.
2044
2045 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
2046
2047         * except.c (output_function_exception_table): Do not reference the
2048         EH personality routine for functions that do not require an
2049         exception table.
2050
2051 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
2052
2053         PR c/30762
2054         * c-typeck.c (convert_for_assignment): Call comptypes for
2055         RECORD_TYPE or UNION_TYPE.
2056
2057         PR inline-asm/30505
2058         * reload1.c (reload): Do invalid ASM checking after
2059         cleanup_subreg_operands.
2060
2061 2007-03-19  Jeff Law  <law@redhat.com>
2062
2063         * tree-cfg.c (find_taken_edge): Tighten conditions for
2064         optimizing computed gotos.
2065
2066 2007-03-19  Michael Matz  <matz@suse.de>
2067
2068         * builtins.c (expand_builtin_sync_operation,
2069         expand_builtin_compare_and_swap,
2070         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
2071         correctly.
2072
2073         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
2074         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
2075         for operand 3.
2076
2077 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2078
2079         * doc/tm.texi: Add brackets around the return type of
2080         TARGET_SECONDARY_RELOAD.
2081
2082 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2083         Richard Guenther  <rguenther@suse.de>
2084
2085         PR tree-optimization/31254
2086         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2087         Use handled_component_p () where appropriate.  Continue
2088         propagating into the rhs if we propagated into an INDIRECT_REF
2089         on the lhs.
2090
2091 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2092
2093         * config/s390/s390.md (op_type attribute): RRR instruction type added.
2094         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
2095         (xde, xdee): Mode attributes adjusted to support DFP modes.
2096         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
2097         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
2098         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
2099         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
2100         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
2101         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2102         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
2103         numbers.
2104         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
2105         "movsf"): Insn definitions removed.
2106         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
2107         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
2108         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
2109         definitions added.
2110         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
2111         "reload_in<mode>", "reload_out<mode>"): Expander added.
2112         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
2113         Expander removed.
2114
2115 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2116
2117         * config/s390/s390.md: Only non-functional changes.  Renamed
2118         FPR mode macro to BFP all over the file.
2119
2120 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2121
2122         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
2123         (op_type attribute): RRF instruction type added.
2124         (fT0): New mode attribute.
2125         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
2126         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
2127         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
2128         no secondary memory is needed when moving DFmode values between GPRs
2129         and FPRs.
2130
2131 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2132
2133         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
2134         inverted and documentation adjusted.
2135         ("mhard-dfp", "msoft-dfp"): New options.
2136         * config/s390/s390.c (s390_handle_arch_option): New architecture
2137         switch: z9-ec.
2138         (override_options): Sanity checks for the new options added.
2139         * config.gcc: New architecture switch: z9-ec.
2140         * config/s390/s390.h (processor_flags): PF_DFP added.
2141         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
2142         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
2143         when the bit is NOT set so remove it from the defaults.
2144
2145 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2146
2147         * genemit.c (main): Print include statement for dfp.h.
2148         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
2149         is not available.
2150
2151 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2152
2153         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
2154
2155 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
2156
2157         PR target/31022
2158         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
2159         instead of PATTERN.
2160
2161 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2162
2163         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
2164         attr_length_call, output_call, output_indirect_call): Cleanup
2165         formatting of targetm calls.
2166
2167 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
2168
2169         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2170
2171 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2172
2173         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
2174         reservation, bypass and anti-bypass descriptions for these instructions.
2175         Update move patterns.
2176         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
2177         TYPE_FPSTORE.
2178
2179 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
2180
2181         * tree-vect-transform.c (get_initial_def_for_induction): Replace
2182         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
2183         (get_initial_def_for_reduction): Likewise.
2184
2185 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
2186
2187         Fix PR tree-optimization/29922
2188         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
2189         (get_representative): Removed.
2190         (value_dies_in_block_x): Update for rvuse removal.
2191         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
2192         (compute_antic_aux): Handle when PHI nodes appear in
2193         non-single-successors.
2194         (dump_bitmap_of_names): Removed.
2195         (compute_antic_safe): Renamed and removed rvuse calculation.
2196         Calculate only antic safe.
2197         (insert_into_preds_of_block): Remove assert.
2198         (execute_pre): Update for renamed functions.
2199         (defer_or_phi_translate_block): New function.
2200
2201 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2202
2203         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
2204         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
2205         typos.
2206         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
2207         Follow spelling conventions.
2208
2209         * tree-data-ref.h: Remove the prototype for analyze_array.
2210
2211 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
2212
2213         PR tree-optimization/31041
2214         * tree-vect-transform.c (get_initial_def_for_induction): Call
2215         force_gimple_operand.
2216
2217 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
2218
2219         * ipa-type-escape.c (look_for_casts) : Revert code to use
2220         handled_component_p due to ada test a-numaux.adb.
2221
2222 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
2223
2224         * final.c (final_scan_insn): Alter the condition of a
2225         conditional trap if we have nonstandard CC.
2226
2227 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2228
2229         * configure.ac: Remove excess quoting from asm line 0 test.
2230         * configure: Rebuilt.
2231
2232 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2233
2234         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
2235         * c-common.c (convert_and_check): Move warning logic to...
2236         (warnings_for_convert_and_check): ...here. Define.
2237         * c-common.h (warnings_for_convert_and_check): Declare.
2238
2239 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2240
2241         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
2242         (output_call): Likewise.
2243
2244 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2245
2246         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
2247
2248 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
2249
2250         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
2251
2252 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
2253
2254         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
2255         opteron, athlon-64 and athlon-fx processor_alias_table entries.
2256
2257 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
2258
2259         PR tree-optimization/31183
2260         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2261         Use double_int instead of unsigned int for representing access_strides.
2262         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
2263
2264 2007-03-16  Richard Guenther  <rguenther@suse.de>
2265
2266         PR tree-optimization/31146
2267         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
2268         to allow recursion of forward_propagate_addr_expr.
2269         (forward_propagate_addr_into_variable_array_index): Likewise.
2270         (forward_propagate_addr_expr): Likewise.
2271         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2272         (forward_propagate_addr_expr_1): Recurse on simple copies
2273         instead of propagating into them.  Do so for useless conversions
2274         as well.
2275         (forward_propagate_addr_expr): Clean up unused statements after
2276         recursion.
2277
2278 2007-03-16  Richard Guenther  <rguenther@suse.de>
2279
2280         * builtins.c (expand_builtin_cexpi): Use the right argument
2281         for the expansion via cexp.
2282
2283 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2284
2285         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
2286         * configure: Rebuilt.
2287
2288 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
2289
2290         PR debug/29906
2291         * dwarf2out.c (force_type_die): Adjust comment.
2292         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
2293
2294 2007-03-15  DJ Delorie  <dj@redhat.com>
2295
2296         * config/frv/predicates.md (minmax_operator): Don't check operands
2297         here.
2298
2299 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2300
2301         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
2302         Update constant estimates of number of iterations.
2303         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
2304         argument renamed to "realistic".
2305         (compute_estimated_nb_iterations): Removed.
2306         (record_niter_bound): New function.
2307         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
2308         call record_nonwrapping_iv with upper = false.
2309         (infer_loop_bounds_from_signedness): Pass upper argument to
2310         record_nonwrapping_iv.
2311         (estimate_numbers_of_iterations_loop): Do not call
2312         compute_estimated_nb_iterations.  Record estimate based on profile
2313         information.  Initialize the constant estimates of number of
2314         iterations.
2315         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
2316         estimates.
2317         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
2318         number of iterations is too small.
2319         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
2320         (EST_NOT_AVAILABLE): Removed.
2321         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
2322         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
2323         fields.
2324
2325 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
2326
2327         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
2328         Handle NE_EXPR guards.
2329
2330 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2331
2332         PR c++/24924
2333         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
2334         Set also -pedantic-errors by default for the  preprocessor unless
2335         -fpermissive is given.
2336
2337 2007-03-15  Richard Guenther  <rguenther@suse.de>
2338
2339         PR middle-end/29719
2340         PR middle-end/31161
2341         * builtins.c (expand_builtin_cexpi): As a fallback if we
2342         don't have builtins for sincos or cexp create a function
2343         declaration for cexp and expand to a call to that.
2344         (expand_builtin_int_roundingfn): Always fall
2345         back to floor/ceil and its variants even if they may be
2346         not available.
2347
2348 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
2349
2350         PR middle-end/31159
2351         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
2352         jump tables, move the call to delete_dead_jumptables from here...
2353         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
2354         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
2355         don't allow merging of blocks that try_redirect_by_replacing_jump
2356         also does not handle when not optimizing.
2357
2358 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2359             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2360
2361         * config/i386/i386.md (x86_sahf_1): Correctly handle
2362         HAVE_AS_IX86_SAHF.
2363
2364 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
2365
2366         PR target/31167
2367         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
2368         x86_64_general_operand as operand[2] predicate.  Remove "iF"
2369         from operand constraints and use "e" constraint instead.
2370         (*subti3_1, *subti3_1 splitter): Ditto.
2371         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
2372         operand[1] predicate.
2373
2374 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
2375
2376         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
2377         arrays, multiply the access strides by the size of the sub-array.
2378         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
2379
2380 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2381
2382         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
2383         the configured assembler supports the sahf mnemonic.
2384         * configure: Regenerate.
2385         * config.in: Regenerate.
2386
2387         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
2388         emit "sahf" or ".byte\t0x9e" as asm template.
2389
2390 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
2391
2392         PR 31018
2393         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
2394         option to replace hard coded TARGET_xxx in md file.
2395         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
2396         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2397         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
2398         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
2399         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
2400         (X86_TUNE_NOT_VECTORMODE): Ditto.
2401         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
2402         (TUNE_AVOID_VECTOR_DECODE): Ditto.
2403         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
2404         (TUNE_SLOW_IMUL_IMM8): Ditto.
2405         (TUNE_MOVE_M1_VIA_OR): Ditto.
2406         (TUNE_NOT_UNPAIRABLE): Ditto.
2407         (TUNE_NOT_VECTORMODE): Ditto.
2408
2409         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
2410         options.
2411
2412         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
2413         tuning options instead of hard coded TARGET_xxx.
2414         (fix ssemode peephole2's): Ditto.
2415         (imul peephole2's): Ditto.
2416         (movsi_or): Ditto.
2417         (movdi_or_rex64): Ditto.
2418         (move peephole2): Ditto.
2419         (not peephole2's): Ditto.
2420
2421 2007-03-14  Dirk Mueller  <dmueller@suse.de>
2422
2423         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
2424         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
2425         * c-parser.c (c_parser_if_body): Always add an empty statement in case
2426         of empty body.
2427         * c-parser.c (c_parser_do_statement): Warn about empty body in
2428         do/while statement.
2429         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
2430         * doc/invoke.texi (-Wempty-body): Update documentation.
2431
2432 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2433
2434         PR c/21438
2435         * c-common.h (warn_for_div_by_zero): Declare.
2436         * c-common.c (warn_for_div_by_zero): Define.
2437         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
2438         warning.
2439
2440 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2441
2442         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
2443         to PREFIX and STANDARD_PREFIX.
2444
2445 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2446             Phil Edwards  <phil@codesourcery.com>
2447
2448         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
2449         (__gthread_once_t): Remove busy field for RTPs.
2450         (__GTHREAD_ONCE_INIT): Update accordingly.
2451
2452 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
2453
2454         * doc/invoke.texi: Document VxWorks options.
2455
2456 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
2457
2458         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
2459
2460 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
2461
2462         PR tree-optimization/30590
2463         * tree-nrv.c (tree_nrv): Check for the partial update of the
2464         return value.
2465
2466 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2467
2468         * flags.h (flag_random_seed): Remove declaration, in favor of...
2469         * toplev.h (get_random_seed, set_random_seed): ... these.
2470         * tree.c (get_file_function_name): Use the former.
2471         * opts.c (common_handle_option): Use the latter.
2472         * toplev.c
2473
2474 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
2475
2476         PR middle-end/31127
2477         * cse.c (cse_find_path): Do not bail out if a basic block that
2478         we already visited now becomes part of a path that starts at a
2479         different basic block.  Just disallow this, to make sure we
2480         visit each basic block at most once.
2481
2482 2007-03-13  Jan Hubicka  <jh@suse.cz>
2483
2484         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
2485         when profile esitmate is present, calls with very low frequency are
2486         cold.
2487
2488 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
2489
2490         PR tree-optimization/30730
2491         PR tree-optimization/26900
2492         * tree-ssa-loop-niter.c: Include gmp.h.
2493         (bounds): New type.
2494         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
2495         split_to_var_and_offset, determine_value_range,
2496         bound_difference_of_offsetted_base, refine_bounds_using_guard,
2497         bound_difference, bounds_add, bounds_negate,
2498         number_of_iterations_ne_max, dump_affine_iv): New functions.
2499         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2500         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
2501         difference of initial and final value of control iv to validate
2502         results.
2503         (number_of_iterations_cond): Add loop parameter.  Determine bounds
2504         on the difference of the extremes of the control iv.  Add dumps.
2505         (expand_simple_operations): Handle phi nodes.
2506         (simplify_using_initial_conditions): Do not record used conditions.
2507         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
2508         Do not set additional_info.
2509         (implies_nonnegative_p, implies_ge_p): Removed.
2510         (derive_constant_upper_bound): Do not use parameter `additional'.
2511         (record_estimate): Parameter `additional' removed.  Parameter
2512         `i_bound' added.  Do not call derive_constant_upper_bound.
2513         (record_nonwrapping_iv): Use derive_constant_upper_bound to
2514         bound the number of iterations estimate.
2515         (estimate_numbers_of_iterations_loop): Pass the estimate from
2516         the number of iterations analysis to record_estimate.
2517         * tree.h (multiple_of_p): Declare.
2518         * tree-scalar-evolution.c (expression_expensive_p): Removed.
2519         (scev_const_prop): Do not check expression_expensive_p.
2520         * fold-const.c (multiple_of_p): Exported.
2521         * double-int.c (double_int_mask): Exported.
2522         * double-int.h (double_int_mask): Declare.
2523         * tree-flow.h (struct tree_niter_desc): Removed additional_info
2524         field.  Added max field.
2525
2526 2007-03-13  David Taylor  <taylor@candd.org>
2527
2528         PR driver/12448:
2529         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
2530         default -MQ.
2531
2532 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2533
2534         PR target/31123
2535         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
2536         two unamed patterns.
2537
2538 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
2539
2540         * config/i386/i386.opt (mcx16, msahf): New options.
2541         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
2542         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
2543
2544         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
2545         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
2546         Output -mcx16 and -msahf options when corresponding bit is set.
2547
2548         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
2549         and -msahf options.
2550
2551 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
2552
2553         * configure.ac: Test for assembler tolerance to # 0 "".
2554         * configure, config.in: Rebuilt.
2555         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
2556
2557 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
2558
2559         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
2560
2561         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
2562         (handle_syscall): Handle direct system calls.
2563         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
2564
2565 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2566
2567         * doc/invoke.texi: Fix cpp.info cross-reference.
2568         * doc/passes.texi: Fix gcc.info cross-reference.
2569
2570 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
2571
2572         PR tree-optimization/30835
2573         * lambda-code.c (can_convert_to_perfect_nest): Check whether
2574         bb_for_stmt is not NULL before accessing it.
2575
2576 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
2577
2578         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
2579         some multilibs.
2580
2581 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
2582
2583         PR 30635
2584         * doc/install.texi: Document --enable-stage1-languages
2585
2586 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
2587
2588         * tree-pass.h (pass_into_cfg_layout_mode,
2589         pass_outof_cfg_layout_mode): Declare.
2590         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
2591         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
2592         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
2593         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
2594
2595 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
2596
2597         * c-decl.c (warn_variable_length_array): New function.
2598         Refactored from grokdeclarator to handle warn_vla
2599         and handle unnamed array case.
2600         (grokdeclarator): Refactored VLA warning case.
2601         * c.opt (Wvla): New flag.
2602         * doc/invoke.texi (Wvla): New warning.
2603
2604 2007-03-12  Richard Henderson  <rth@redhat.com>
2605
2606         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
2607         (TARGET_SECTION_TYPE_FLAGS): New.
2608
2609 2007-03-12  Richard Henderson  <rth@redhat.com>
2610
2611         * config/darwin.c (machopic_reloc_rw_mask): New.
2612         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
2613         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
2614
2615 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
2616
2617         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
2618         * cppdefault.h (cpp_PREFIX): Document.
2619         (cpp_PREFIX_len): Likewise.
2620         (cpp_EXEC_PREFIX): New variable.
2621         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
2622         * c-incpath.c (add_standard_paths): Correct logic for relocating
2623         paths within prefix.
2624
2625 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
2626
2627         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
2628         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
2629         mode macro.
2630         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
2631         fix_truncdfdi_sse using SSEMODEF mode macro.
2632         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
2633         fix_truncdfsi_sse using SSEMODEF mode macro.
2634         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
2635         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
2636
2637 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
2638
2639         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
2640         elfos.h to tm_file.
2641
2642 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
2643
2644         * tree.h : Add multiple_of_p declaration.
2645         * fold-const.c (multiple_of_p): Make multiple_of_p public.
2646         * ipa-type-escape.c (results_of_malloc): Redundant.
2647         (visited_stmts): New. Visited stmt for walk_use_def_chains.
2648         (cast_type): Extended with new members.
2649         (check_cast): Returns cast_type.
2650         (cast): New structure for data of walk_use_def_chains.
2651         (is_malloc_result, is_cast_from_non_pointer_1,
2652         is_cast_from_non_pointer,
2653         is_array_access_through_pointer_and_index): New functions.
2654         (look_for_casts): Returns cast types.
2655         (check_call): Returns void.
2656         (okay_pointer_operation): Use support of pointer plus index,
2657         pointer plus constant and allow all multiplications.
2658
2659 2007-03-11  Richard Guenther  <rguenther@suse.de>
2660
2661         PR tree-optimization/31115
2662         * tree-vrp.c (extract_range_from_binary_expr): Make sure
2663         the shift count is positive and non-anti-range for RSHIFT_EXPR.
2664         A shift count of zero is not special as with *_DIV_EXPR.
2665         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
2666         direction.
2667
2668 2007-03-11  Ian Lance Taylor  <iant@google.com>
2669
2670         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
2671         the *_DIV_EXPR codes correctly with overflow infinities.
2672
2673 2007-03-11  Ira Rosen  <irar@il.ibm.com>
2674
2675         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
2676         indicate success/failure of the analysis. Add negation to subtrahend
2677         in case of subtraction. Fail if both operands contain constants.
2678         (create_data_ref): Fail if analyze_offset fails.
2679
2680 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
2681
2682         * config/i386/i386.md (frndintxf2): Rename to ...
2683         (rintxf2): ... this. Remove expander having same name.
2684         (rintsf2, rintdf2): Implement using SSEMODEF macro.
2685         (roundsf2, rounddf2): Ditto.
2686         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
2687         (lround<mode>di2, lround<mode>si2): Ditto.
2688
2689 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
2690
2691         * lower-subreg.c: Include except.h.
2692         (decompose_multiword_subregs): Verify that the only control flow
2693         insns we can split are loads to multi-words pseudos.
2694         Handle breaking such blocks after splitting, instead of calling
2695         find_many_sub_basic_blocks.
2696
2697         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
2698         on the new basic block.  Add a lengthy comment explaining why we
2699         thought this was necessary.
2700         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
2701
2702 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
2703
2704         PR c++/30924
2705         * tree.c (walk_type_fields): Recurse into the element type of
2706         ARRAY_TYPEs if there is a pointer set.
2707
2708 2007-03-10  Dirk Mueller  <dmueller@suse.de>
2709
2710         * c-common.c (warn_logical_operator): Fix condition.
2711
2712 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
2713
2714         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
2715         quotation mark.
2716         * config/darwin.c (machopic_select_section): Remove superfluous
2717         argument in call to categorize_decl_for_section.  Remove unused
2718         variable shlib.
2719
2720 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
2721
2722         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
2723         defined.
2724         * configure: Regenerate.
2725
2726 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
2727
2728         PR target/31101
2729         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
2730         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
2731         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
2732         Add LABEL_NUSES to emitted label.
2733         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
2734         branch probability value to emitted jump insn.
2735         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
2736         Do not check life information and do not re-arrange input operands
2737         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
2738
2739 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2740
2741         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
2742         the change of decode_asm_operands.
2743
2744 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2745
2746         * mode-switching.c (create_pre_exit): Skip blockage insn.
2747
2748 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
2749
2750         * tree-pass.h (TODO_update_smt_usage): Remove.
2751         Update all users.
2752         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
2753         argument SOME.
2754         Update all users.
2755
2756 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2757
2758         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
2759         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
2760         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
2761         SOM target.
2762
2763 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
2764
2765         * gcc.c: Document %{, in big comment at top.
2766         (input_suffix_matches): Remove special handling for .s and
2767         .S.
2768         (input_spec_matches): New.
2769         (handle_braces): Handle %{,.
2770         (validate_switches): ',' indicates a value which is not a switch.
2771         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
2772         to detect assembler input.
2773         * config/i386/sol2.h (CPP_SPEC): Likewise.
2774         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
2775         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
2776         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
2777         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
2778         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
2779         -m64 causes deployment target to default to 10.5.
2780         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
2781
2782 2007-03-09  Richard Henderson  <rth@redhat.com>
2783
2784         PR target/26090
2785         * target.h (targetm.asm.out.reloc_rw_mask): New.
2786         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
2787         (TARGET_ASM_OUT): Use it.
2788         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
2789         * varasm.c (categorize_decl_for_section): Remove shlib argument;
2790         use the new reloc_rw_mask target hook instead.
2791         (default_section_type_flags_1): Merge into...
2792         (default_section_type_flags): ... here.
2793         (decl_readonly_section_1): Merge into...
2794         (decl_readonly_section): ... here.
2795         (default_elf_select_section_1): Merge into...
2796         (default_elf_select_section): ... here.
2797         (default_unique_section_1): Merge into...
2798         (default_unique_section): ... here.
2799         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
2800         (default_select_rtx_section): Use it.
2801         (default_elf_select_rtx_section): Likewise.
2802         * output.h: Update to match.
2803         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
2804         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
2805         (TARGET_ASM_RELOC_RW_MASK): New.
2806         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
2807         to categorize_decl_for_section.
2808         (x86_64_elf_unique_section): Likewise.
2809         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
2810         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
2811         (TARGET_ASM_RELOC_RW_MASK): New.
2812         * config/ia64/ia64.c (ia64_rwreloc_select_section,
2813         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
2814         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
2815         (TARGET_RWRELOC): Remove.
2816         (ia64_section_type_flags): Adjust call to default_section_type_flags.
2817         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2818         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
2819         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
2820         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
2821         (rs6000_xcoff_select_section): Use decl_readonly_section.
2822         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
2823         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
2824         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
2825         (TARGET_SECTION_TYPE_FLAGS): Remove.
2826         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
2827
2828 2007-03-09  Roger Sayle  <roger@eyesopen.com>
2829
2830         * fold-const.c (fold_comparison): Remove compile-time evaluation of
2831         complex constant equality/inequality comparisons for here.
2832         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
2833         known at compile-time or can be simplified to a scalar comparison.
2834         (fold_relational_const): Move compile-time evaluation of complex
2835         constant equality/inequality comparisons to here.
2836
2837 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2838
2839         PR rtl-optimization/30643
2840         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
2841         dest_addr_elt.
2842         (fold_rtx): Recurse, like before 2006-11-03.
2843
2844 2007-03-09  DJ Delorie  <dj@redhat.com>
2845
2846         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
2847         m32c-pragma.o.
2848
2849 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
2850
2851         PR tree-optimization/30375
2852         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
2853         LHS of statements is not the same.
2854         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
2855
2856 2007-03-09  Chao-ying Fu  <fu@mips.com>
2857
2858         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
2859         REV 2.
2860         * doc/invoke.texi (-mdspr2): Document new option.
2861         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
2862         New unspec for DSP REV 2.
2863         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
2864         these instructions are extended in DSP REV 2.
2865         (mips-dspr2.md): Include.
2866         * config/mips/mips.opt (mdspr2): New option.
2867         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
2868         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
2869         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
2870         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
2871         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
2872         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
2873         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
2874         and 2 builtins.
2875         (bdesc_map): Add one field of unsupported_target_flags.
2876         (bdesc_arrays):  Update entries to have extra fields.  Add
2877         dsp_32only_bdesc.
2878         (mips_init_builtins): Initialize new function types.
2879         Check unsupported_target_fileds to filter out builtins.
2880         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
2881         TARGET_DSPR2.
2882         (ASM_SPEC): Pass mdspr2 to the assembler.
2883         * config/mips/mips-dspr2.md: New file.
2884
2885 2007-03-09  Sa Liu  <saliu@de.ibm.com>
2886
2887         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
2888
2889 2007-03-09  Ian Lance Taylor  <iant@google.com>
2890
2891         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
2892         argument) like -Wstrict-overflow=2.
2893         * doc/invoke.texi (Warning Options): Update documentation.
2894
2895 2007-03-09  Dirk Mueller  <dmueller@suse.de>
2896
2897         PR c++/17946
2898         * doc/invoke.texi (-Wlogical-op): Document.
2899         * common.opt (-Wlogical-op): New.
2900         * c-common.h (warn_logical_operator): Declare.
2901         * c-common.c (warn_logical_operator): Define.
2902         * c-typeck.c (parser_build_binary_op): Call
2903         warn_logical_operator.
2904
2905 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2906
2907         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
2908         * final.c (final_scan_insn): Test for non-"" file name.
2909
2910 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
2911
2912         * doc/loop.texi: Document the Omega linear constraints solver.
2913         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
2914         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
2915         omega-hash-table-size, omega-max-keys, and
2916         omega-eliminate-redundant-constraints.
2917         * tree-pass.h (pass_check_data_deps): Declared.
2918         * omega.c: New.
2919         * omega.h: New.
2920         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
2921         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
2922         pass_check_data_deps): New.
2923         * tree-data-ref.c (init_data_ref): Remove declaration.
2924         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
2925         (analyze_array): Renamed init_array_ref, move up initializations.
2926         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
2927         Removed arguments that are set to NULL.
2928         (analyze_indirect_ref): Correct indentation, correct call to
2929         init_pointer_ref.
2930         (object_analysis): Call init_array_ref instead of analyze_array.
2931         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
2932         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
2933         of DR_ACCESS_FNS_ADDR.
2934         (init_omega_eq_with_af, omega_extract_distance_vectors,
2935         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
2936         ddr_consistent_p): New.
2937         (compute_affine_dependence): Check consistency of ddrs when
2938         flag_check_data_deps is passed.
2939         (analyze_all_data_dependences): Uncomment.
2940         (tree_check_data_deps): New.
2941         * tree-data-ref.h: Include omega.h.
2942         (DR_ACCESS_FNS_ADDR): Removed.
2943         (data_dependence_relation): Add inner_loop.
2944         (DDR_INNER_LOOP): New.
2945         * common.opt (fcheck-data-deps): New.
2946         * tree-flow.h (tree_check_data_deps): Declare.
2947         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
2948         (OBJS-common): Depend on omega.o.
2949         (omega.o): Define.
2950         * passes.c (pass_check_data_deps): Scheduled.
2951         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
2952         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
2953         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
2954         PARAM_VECT_MAX_VERSION_CHECKS,
2955         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
2956
2957 2007-03-09  Richard Guenther  <rguenther@suse.de>
2958
2959         PR tree-optimization/30904
2960         PR middle-end/31058
2961         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
2962         the same way as *_DIV_EXPR.
2963
2964 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2965
2966         * recog.c (decode_asm_operands): No mixed declarations and code.
2967
2968 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
2969
2970         * rtl.def (ASM_INPUT): Add location.
2971         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
2972         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
2973         (decode_asm_operands): Add loc operand.
2974         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
2975         * stmt.c (expand_asm): Rename to...
2976         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
2977         gen_rtx_ASM_INPUT_loc.
2978         (expand_asm_expr): Adjust.
2979         * recog.c (decode_asm_operands): Add loc operand.
2980         (check_asm_operands, extract_insn): Adjust.
2981         * reload1.c (maybe_fix_stack_asms): Likewise.
2982         * final.c (asm_insn_count): Likewise.
2983         (final_scan_insn): Output # line before and after asm.
2984
2985 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
2986
2987         * tree-ssa-structalias.c (variable_info): Remove
2988         finished_solution.
2989         (new_var_info): Ditto.
2990         (shared_bitmap_info_t): New structure.
2991         (shared_bitmap_table): New variable.
2992         (shared_bitmap_hash): New function.
2993         (shared_bitmap_eq): Ditto
2994         (shared_bitmap_lookup): Ditto.
2995         (shared_bitmap_add): Ditto.
2996         (merge_smts_into): Change to take bitmap directly.
2997         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
2998         (init_alias_vars): Init shared bitmap hashtable.
2999         (delete_points_to_sets): Delete shared bitmap hashtable.
3000         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
3001         is_aliased removal as a change that was still necessary was
3002         deleted.
3003
3004 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
3005
3006         * config/i386/i386.h (override_options): Conditionally disable
3007         x86_sahf for 64bit targets only.
3008
3009 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3010
3011         PR C/31072
3012         * c-decl.c (merge_decls): Don't call make_var_volatile.
3013         * varasm.c (make_var_volatile): Remove.
3014         * output.h (make_var_volatile): Remove.
3015
3016 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
3017
3018         PR tree-optimization/31085
3019         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
3020
3021 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3022
3023         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
3024         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
3025         ATTR_CONST_NOTHROW_LIST.
3026
3027         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
3028         FIX_TRUNC_EXPR.
3029
3030 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
3031
3032         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
3033
3034 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
3035
3036         PR 31013
3037         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
3038         is declared.
3039         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
3040         passed, use shared libgcc.
3041
3042 2007-03-08  Roger Sayle  <roger@eyesopen.com>
3043
3044         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
3045         instead of calling build2 with a GIMPLE_MODIFY_STMT.
3046         (honor_protect_cleanup_actions, lower_try_finally_switch):
3047         Likewise.
3048         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
3049         ifc_temp_var): Likewise.
3050         * tree-inline.c (setup_one_parameter): Likewise.
3051         * tree-mudflap.c (mf_decl_cache_locals,
3052         mf_build_check_statement_for): Likewise.
3053         * tree-nested.c (init_tmp_var, save_tmp_var,
3054         finalize_nesting_tree_1): Likewise.
3055         * tree-outof-ssa.c (insert_copy_on_edge,
3056         insert_backedge_copies): Likewise.
3057         * tree-profile.c (tree_gen_edge_profiler,
3058         tree_gen_ic_profiler): Likewise.
3059         * tree-scalar-evolution.c (scev_const_prop): Likewise.
3060         * tree-sra.c (sra_build_assignment): Likewise.
3061         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
3062         * tree-ssa-math-opts.c (insert_reciprocals,
3063         execute_cse_sincos_1): Likewise.
3064         * tree-tailcall.c (adjust_accumulator_values,
3065         adjust_return_value): Likewise.
3066         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
3067         * tree-vect-transform.c (vect_create_data_ref_ptr,
3068         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
3069         vect_create_epilog_for_reduction, vectorizable_reduction,
3070         vectorizable_call, vectorizable_conversion,
3071         vectorizable_assignment, vectorizable_operation,
3072         vectorizable_type_demotion, vect_gen_widened_results_half,
3073         vect_permute_store_chain, vectorizable_store,
3074         vect_setup_realignment, vect_permute_load_chain,
3075         vectorizable_load, vectorizable_condition,
3076         vect_create_cond_for_align_checks): Likewise.
3077         * tree-vrp.c (build_assert_expr_for): Likewise.
3078
3079 2007-03-08  Ian Lance Taylor  <iant@google.com>
3080
3081         * tree-vrp.c: Include "intl.h".
3082         (usable_range_p): New static function.
3083         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
3084         overflowed values, juts set *strict_overflow_p.
3085         (compare_values): Only return -2 if one of the operands is not a
3086         constant.
3087         (compare_ranges): Call usable_range_p.
3088         (compare_range_with_value): Likewise.
3089         (vrp_evaluate_conditional_warnv): Rename from
3090         vrp_evaluate_conditional.  Make static.  Change all callers.
3091         (vrp_evaluate_conditional): New function.
3092         (simplify_div_or_mod_using_ranges): Issue warning about reliance
3093         on signed overflow.
3094         (simplify_abs_using_ranges): Likewise.
3095         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
3096         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
3097         within_stmt parameter.
3098         * tree-ssa-propagate.c (fold_predicate_in): Update call to
3099         vrp_evaluate_conditional.
3100         * tree-ssa-threadedge.c
3101         (record_temporary_equivalences_from_stmts_at_dest): Change
3102         simplify parameter to take a second tree parameter.
3103         (simplify_control_stmt_condition): Likewise.
3104         (thread_across_edge): Likewise.
3105         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3106         (thread_across_edge): Likewise.
3107         * gcc/Makefile.in (tree-vrp.o): Depend upon intl.h.
3108
3109 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
3110
3111         * config/i386/i386.h (TARGET_SAHF): New define.
3112         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
3113         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
3114         (x86_sahf): New global variable.
3115         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
3116         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
3117         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
3118         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
3119         for 64-bit.
3120         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
3121         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
3122         when expanding fcomi/sahf based tests.
3123         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
3124         expanding sahf based alternative. Emit sahf based sequence when
3125         optimizing for code size.
3126         * config/i386/i386.md (x86_sahf_1): Do not disable for
3127         TARGET_64BIT, enable for TARGET_SAHF.
3128
3129 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
3130
3131         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
3132         spurious whitespace from error message.
3133
3134 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
3135
3136         PR c++/30852
3137         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
3138
3139 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
3140
3141         * c-decl.c (grokdeclarator): Disable warnings for anonymous
3142         bitfields.
3143         * tree-sra.c (instantiate_element): Propagate disabled warnings
3144         from the element itself to the created variable.
3145
3146 2007-03-07  Richard Henderson  <rth@redhat.com>
3147
3148         PR target/30848
3149         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
3150         silently fix up the stack in the case of a missing register.
3151
3152 2007-03-07  Paul Brook  <paul@codesourcery.com>
3153
3154         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
3155
3156 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
3157
3158         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
3159         New.
3160         (phase1_vrs): Use them.
3161         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
3162         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
3163         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
3164         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
3165         __gnu_Unwind_Restore_WMMXC if required.
3166         (_Unwind_VRS_Pop): Implement iWMMXt support.
3167         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
3168         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
3169         gnu_Unwind_Save_WMMXC): Define.
3170
3171 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3172
3173         * config/vxworks.h (vxworks_override_options): Declare.
3174         (VXWORKS_OVERRIDE_OPTIONS): Use it.
3175         * config/vxworks.c: Include target.h and toplev.h.
3176         (vxworks_override_options): New function.
3177         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
3178
3179 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3180
3181         * config/s390/s390.c (override_options): Don't emit an error when
3182         -mstack-size is used without providing -mstack-guard.
3183         (s390_emit_prologue): Choose stack_guard value automatically if not
3184         provided via command line.
3185         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
3186
3187 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
3188
3189         * config/i386/i386.c (output_set_got): Add a GOT initialization
3190         sequence for VxWorks PIC.
3191         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
3192         around labels as well as symbols.  Use gotoff_operand instead
3193         of local_symbolic_operand.
3194         (legitimize_pic_address): Use gotoff_operand instead of
3195         local_symbolic_operand.  Use @GOT accesses for labels as
3196         well as symbols.
3197         (ix86_output_addr_diff_elt): Use PC-relative rather than
3198         GP-relative offsets for VxWorks PIC.
3199         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
3200         no_new_pseudos.  Check whether the returned register is op0.
3201         * config/i386/i386.md (tablejump): Use PC-relative rather than
3202         GP-relative offsets for VxWorks PIC.
3203         * config/i386/predicates.md (gotoff_operand): New predicate.
3204
3205 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3206
3207         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
3208         before defining.
3209         * config/vxworks-dummy.h: New file.
3210         * config/i386/i386.h: Include it.
3211
3212 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
3213
3214         * dwarf2out.c (is_inlined_entry_point): New
3215         (add_high_low_attributes): Emit DW_AT_entry_pc along with
3216         DW_AT_ranges if the first subblock is the entry point.
3217
3218 2007-03-06  David Daney  <ddaney@avtrex.com>
3219
3220         * doc/install.texi (mips-*-*): Change recommended binutils
3221         version.
3222
3223 2007-03-06  Anatoly Sokolov <aesok@post.ru>
3224
3225         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
3226         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
3227         devices.
3228         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3229         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3230
3231 2007-03-06  Jan Hubicka  <jh@suse.cz>
3232
3233         * errors.h (warning, error, fatal, internal_error): Mark as cold.
3234         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
3235         are hot.
3236         (probably_cold_bb_p): Cold functions are cold.
3237         (probably_never_executed_bb_p): Cold functions are cold.
3238         (tree_bb_level_predictions): Predict calls to cold functions as not
3239         taken.
3240         (compute_function_frequency): Check hot/cold attributes.
3241         * function.h (function_frequency): Update comments.
3242         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
3243         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
3244         (c_common_att): Add cold and hot.
3245
3246         * doc/extend.texi (hot,cold attributes): Document.
3247
3248 2007-03-06  Andrew Haley  <aph@redhat.com>
3249
3250         * function.c (expand_function_end): Move blockage to just after we
3251         emit the label for the naked return from the function.
3252
3253 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3254
3255         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
3256         before redefining.
3257
3258 2007-03-06  Jan Hubicka  <jh@suse.cz>
3259
3260         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
3261         loaded for constant large models.  Non-large 64bit PIC can do.
3262         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
3263         * cmodel.h: Add LARGE PIC.
3264         * i386.md (UNSPEC_PLTOFF): New.
3265         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
3266         needed.
3267         (*call_1_rex64): Disable for large models.
3268         (*call_1_rex64_large): New.
3269         (*call_value_1_rex64): Disable for large models.
3270         (*call_value_1_rex64_large): New.
3271         (set_rip_rex4): New.
3272         (set_got_offset_rex64): New.
3273         * predicates.md (constant_call_address_operand): For large model
3274         constant calls are not possible.
3275         * i386-protos.h (construct_plt_address): Declare.
3276         * i386.c (override_options): Accept large models.
3277         (ix86_expand_prologue): Expand large PIC GOT pointer load.
3278         (legitimate_constant_p): Add new UNSPECs.
3279         (legitimate_pic_operand_p): Likewise.
3280         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
3281         (legitimize_pic_address): Do easy RIP relative way for TLS only for
3282         non-large model.
3283         (output_pic_addr_const): Add PLTOFF.
3284         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
3285         (ix86_expand_move): Legitimize pic address when in PIC mode.
3286         (construct_plt_address): New function.
3287         (ix86_expand_call): Offload the address to register and use GOT pointer
3288         for large model.
3289         * invoke.texi (mcmodel=large): Update documentation.
3290
3291 2007-03-06  Richard Henderson  <rth@redhat.com>
3292
3293         * config/i386/i386.c (x86_use_leave, x86_push_memory,
3294         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
3295         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
3296         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
3297         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
3298         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
3299         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
3300         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
3301         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
3302         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3303         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3304         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
3305         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3306         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3307         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
3308         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
3309         x86_schedule, x86_use_bt, x86_pad_returns,
3310         x86_use_xchgb): Merge into ...
3311         (ix86_tune_features): ... here.  New array.
3312         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3313         x86_bswap): Merge into ...
3314         (ix86_arch_features): ... here.  New array.
3315         (x86_3dnow_a): Remove.
3316         (x86_accumulate_outgoing_args): Make static.
3317         (x86_arch_always_fancy_math_387): Make static.
3318         (ix86_tune_mask, ix86_arch_mask): Move ...
3319         (override_options): ... to local variables here.  Apply the
3320         appropriate mask to each element of ix86_arch_features and
3321         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
3322         as were done in the old macros.
3323         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
3324         * config/i386/i386.h (x86_use_leave, x86_push_memory,
3325         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
3326         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
3327         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
3328         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
3329         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
3330         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
3331         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
3332         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
3333         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
3334         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3335         x86_accumulate_outgoing_args, x86_prologue_using_move,
3336         x86_epilogue_using_move, x86_decompose_lea,
3337         x86_arch_always_fancy_math_387, x86_shift1,
3338         x86_sse_partial_reg_dependency, x86_sse_split_regs,
3339         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
3340         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
3341         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
3342         x86_use_incdec, x86_pad_returns, x86_bswap,
3343         x86_partial_flag_reg_stall): Remove.
3344         (enum ix86_tune_indices): New.
3345         (ix86_tune_features): New.
3346         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
3347         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
3348         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
3349         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
3350         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
3351         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
3352         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
3353         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
3354         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
3355         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
3356         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
3357         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
3358         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
3359         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
3360         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
3361         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
3362         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
3363         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
3364         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
3365         TARGET_EXT_80387_CONSTANTS): Use it.
3366         (enum ix86_arch_indices): New.
3367         (ix86_arch_features): New.
3368         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
3369         TARGET_BSWAP): Use it.
3370         (ix86_tune_mask, ix86_arch_mask): Remove.
3371
3372 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
3373
3374         PR bootstrap/31020
3375         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
3376         Define using $${sysroot_headers_suffix}.
3377         * configure: Regenerate.
3378         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
3379         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
3380         defined.
3381         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
3382         * gcc.c (print_sysroot_headers_suffix): New.
3383         (option_map): Include --print-sysroot-headers-suffix.
3384         (display_help): Mention -print-sysroot-headers-suffix.
3385         (process_command): Handle -print-sysroot-headers-suffix.
3386         (do_spec_1): Append multilib directory to include-fixed path if
3387         sysroot suffixes in use.
3388         (main): Handle -print-sysroot-headers-suffix.
3389         * Makefile.in (start.encap): Don't depend on xlimits.h
3390         (xlimits.h): Remove.
3391         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
3392         limits.h for each multilib in fixinc_list.
3393         (fixinc_list, s-fixinc_list): New.
3394         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
3395         generate them for each multilib in fixinc_list.
3396         (stmp-fixproto): Use include-fixed.  Run fixproto for each
3397         multilib in fixinc_list.
3398         (mostlyclean): Don't remove xlimits.h.
3399         (clean): Remove include-fixed.
3400         (real-install-headers-tar, real-install-headers-cpio,
3401         real-install-headers-cp): Don't copy include, only include-fixed.
3402         (install-mkheaders): Depend on fixinc_list.  Don't depend on
3403         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
3404         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
3405         SYSTEM_HEADER_DIR setting in mkheaders.conf.
3406
3407 2007-03-06  Jan Hubicka  <jh@suse.cz>
3408
3409         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
3410         NANs easilly.
3411
3412 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3413
3414         * configure.ac: Allow tm_file to contain build-directory files.
3415         * configure: Regenerate.
3416         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
3417         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
3418         * config/m68k/print-sysroot-suffix.sh: New file.
3419
3420 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3421
3422         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
3423         of pic_offset_table_rtx if reload_completed.
3424         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
3425         PIC_OFFSET_TABLE_REGNUM.
3426         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
3427         return true.
3428         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
3429         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
3430
3431 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3432
3433         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3434         functions that call eh_return.
3435
3436 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3437
3438         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
3439         functions that need a constant pool.
3440
3441 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3442
3443         PR target/28181
3444         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
3445         (m68k_preferred_reload_class): Likewise.
3446         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
3447         (SECONDARY_RELOAD_CLASS): Define.
3448         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
3449         (LIMIT_RELOAD_CLASS): Delete.
3450         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
3451         registers from storing bytes.
3452         (m68k_secondary_reload_class): New function.
3453         (m68k_preferred_reload_class): Likewise.
3454
3455 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3456
3457         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
3458         leaf functions.
3459         (m68k_expand_prologue): Likewise.
3460
3461 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3462
3463         * config/m68k/m68k-protos.h (output_sibcall): Declare.
3464         (mips_expand_epilogue): Add a bool parameter.
3465         (m68k_legitimize_sibcall_address): Declare.
3466         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
3467         (m68k_expand_epilogue): Add a parameter to select between sibling
3468         and normal epilogues.  Only generate a return for the latter.
3469         (m68k_ok_for_sibcall_p): New function.
3470         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
3471         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
3472         (sibcall_value, *sibcall_value): Likewise.
3473         (*call, *call_value): Require !SIBLING_CALL_P.
3474         (epilogue): Update call to m68k_expand_epilogue.
3475         (sibcall_epilogue): New pattern.
3476         * config/m68k/predicates.md (const_call_operand): Say that this
3477         predicate applies to sibling calls too.
3478         (sibcall_operand): New predicate.
3479
3480 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3481
3482         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
3483         alternatives as movsi_cf.
3484         (movsf_cf_hard): Add commentary.
3485
3486 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
3487             Richard Sandiford  <richard@codesourcery.com>
3488
3489         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
3490         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
3491         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
3492         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
3493         as being live on exit from an interrupt function.
3494         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
3495         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
3496         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
3497         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
3498         (m68k_interrupt_function_p): Globalize.
3499         (m68k_compute_frame_layout): Remove reverse mask code.
3500         (m68k_emit_movem, m68k_set_frame_related): New functions.
3501         (m68k_output_function_prologue): Delete in favor of...
3502         (m68k_expand_prologue): ...this new function.
3503         (m68k_output_function_epilogue): Delete in favor of...
3504         (m68k_expand_epilogue): ...this new function.
3505         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
3506         functions.
3507         (print_operand): Handle %?.
3508         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
3509         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
3510         (prologue, epilogue): New patterns.
3511         (return): Turn into a define_expand.
3512         (*return): New pattern, derived from old "return" pattern.  Use rte
3513         rather than rts for interrupt functions.  Only use rtd if the pop
3514         count is nonzero.
3515         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
3516         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
3517         (link, *link, unlink, *unlink, load_got): Likewise.
3518
3519 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3520
3521         PR target/23482
3522         PR target/17114
3523         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
3524         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
3525         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
3526         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
3527         and m68k_matches_u_p.
3528         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
3529         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
3530         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
3531         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
3532         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
3533         (REG_STRICT_P): New macro.
3534         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
3535         PCREL_GENERAL_OPERAND_OK.
3536         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
3537         m68k_legitimate_base_reg_p.
3538         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
3539         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
3540         (PIC_CASE_VECTOR_ADDRESS): Update comment.
3541         * config/m68k/m68k.c (m68k_address): New structure.
3542         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
3543         (m68k_decompose_index, m68k_legitimate_constant_address_p)
3544         (m68k_jump_table_ref_p, m68k_decompose_address)
3545         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
3546         (m68k_matches_u_p): New functions.
3547         (print_operand_address): Rewrite to use m68k_decompose_index.
3548
3549 2007-03-05  David Taylor  <dtaylor@emc.com>
3550
3551         * gcc.c: Correct copyright date in --version output.
3552
3553 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3554
3555         * pa.md: In unamed move patterns, disparge copies between general
3556         and floating point registers using '?' modifier.  Don't include 'f'
3557         constraint for register preferences in DImode, SImode, HImode and
3558         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
3559         Remove constraints for copies between general and floating registers
3560         in soft-float DFmode pattern.
3561         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
3562         floating register.
3563         (movsf): Likewise.
3564
3565 2007-03-05  Mike Stump  <mrs@apple.com>
3566
3567         * c-common.c (targetcm): Add.
3568         * c-opts.c (c_common_handle_option): Handle language specific
3569         target options.
3570         * opts.c (handle_option): Verify language for target options, if
3571         any are given.
3572         * opth-gen.awk: Add CL_LANG_ALL.
3573         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
3574         (TARGETCM_INITIALIZER): Add.
3575         * target.h (struct gcc_targetcm): Add.
3576         (targetcm): Add.
3577         * targhooks.c (default_handle_c_option): Add.
3578         * targhooks.h (default_handle_c_option): Add.
3579         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
3580
3581         * config/darwin.opt (iframework): Add.
3582         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
3583         * config/darwin-c.c (handle_c_option): Add.
3584         (TARGET_HANDLE_C_OPTION): Add.
3585         (targetcm): Add.
3586         * doc/invoke.texi (Darwin Options): Add -iframework.
3587
3588 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3589
3590         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
3591         conversion.
3592
3593 2007-03-05  Ian Lance Taylor  <iant@google.com>
3594
3595         * c.opt (fgnu89-inline): New option.
3596         * c-opts.c (c_common_post_options): Set default value for
3597         flag_gnu89_inline.
3598         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
3599         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
3600         inline functions.
3601         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
3602         (grokdeclarator, start_function): Likewise.
3603         * c-cppbuiltin.c (c_cpp_builtins): Define either
3604         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
3605         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
3606         (C Dialect Options): Document -fgnu89-inline.
3607         * doc/extend.texi (Function Attributes): Explain what the
3608         gnu_inline attribute does.
3609         * doc/cpp.texi (Common Predefined Macros): Document
3610         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
3611
3612 2007-03-05  Ian Lance Taylor  <iant@google.com>
3613
3614         PR tree-optimization/31034
3615         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
3616         half-range if the other side is an overflow infinity.
3617
3618 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
3619
3620         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
3621         (bfin*-linux-uclibc*): New configuration.
3622         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
3623         defining.
3624         * config/bfin/linux.h: New file.
3625         * config/bfin/libgcc-bfin.ver: New file.
3626         * config/bfin/t-bfin-uclinux: New file.
3627         * config/bfin/t-bfin-linux: New file.
3628         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
3629         (TARGET_OS_CPP_BUILTINS): New macro.
3630
3631 2007-03-05  Richard Guenther  <rguenther@suse.de>
3632
3633         * fold-const.c (fold_binary): Remove duplicate folding
3634         of comparison of non-null ADDR_EXPR against null.
3635
3636 2007-03-05  Richard Guenther  <rguenther@suse.de>
3637             Dorit Nuzman  <dorit@il.ibm.com>
3638
3639         PR tree-optimization/26420
3640         * tree-vectorizer.c (vectorize_loops): Bail out early if there
3641         are no loops in the function.  Only print the number of
3642         vectorized loops if it is greater than zero or we are supposed
3643         to print information about unvectorized loops.
3644
3645 2007-03-05  Revital Eres  <eres@il.ibm.com>
3646
3647         * gcc.dg/var-expand1.c: New test.
3648         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
3649         when an accumulator is expanded.
3650
3651 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3652
3653         PR other/30465
3654         * c-common.c (convert_and_check): Don't give warnings for
3655         conversion if 'expr' already overflowed.
3656
3657 2007-03-04  Roger Sayle  <roger@eyesopen.com>
3658
3659         PR middle-end/30744
3660         * fold-const.c (fold_comparison): Enforce type consistency when
3661         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
3662
3663 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
3664
3665         * tree-ssa-address.c (create_mem_ref): Do not put an expression
3666         containing a cast to the base of TARGET_MEM_REF.
3667
3668 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
3669
3670         * tree.c (tree_contains_struct_check_failed): Remove spurious
3671         whitespace from error message.
3672
3673 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
3674
3675         PR target/30406
3676         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
3677         instead of precision.
3678
3679 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
3680             Nathan Sidwell  <nathan@codesourcery.com>
3681
3682         * emit-rtl.c (find_auto_inc): New.
3683         (try_split): recreate REG_INC notes,
3684         Use regular for loops rather than whiles.
3685
3686 2007-03-03  Andreas Schwab  <schwab@suse.de>
3687
3688         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
3689         * configure: Regenerate.
3690
3691 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3692
3693         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
3694         flag_rounding_math, not flag_unsafe_math_optimizations.
3695
3696         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
3697         fold_build2.
3698         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
3699         alpha_fold_vector_minmax): Likewise.
3700         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3701         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
3702
3703 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3704
3705         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
3706         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
3707         if the lhs has side-effects.
3708         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
3709
3710 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3711
3712         * config/i386/i386.h (TUNEMASK): Remove define.
3713         (ARCHMASK): Remove define.
3714         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
3715          Use ix86_arch_mask variable instead of ARCHMASK.
3716         * config/i386/i386.c (override_options): Ditto.
3717         (standard_80387_constant_p): Ditto.
3718
3719 2007-03-02  Ian Lance Taylor  <iant@google.com>
3720
3721         Used signed infinities in VRP.
3722         * tree-vrp.c (uses_overflow_infinity): New static function.
3723         (supports_overflow_infinity): New static function.
3724         (make_overflow_infinity): New static function.
3725         (negative_overflow_infinity): New static function.
3726         (positive_overflow_infinity): New static function.
3727         (is_negative_overflow_infinity): New static function.
3728         (is_positive_overflow_infinity): New static function.
3729         (is_overflow_infinity): New static function.
3730         (overflow_infinity_range_p): New static function.
3731         (compare_values_warnv): New function split out of compare_values.
3732         (compare_value): Call it.
3733         (set_value_range_to_nonnegative): Add overflow_infinity
3734         parameter.  Change caller.
3735         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
3736         Change callers.
3737         (vrp_expr_computes_nonzero): Likewise.
3738         (compare_ranges, compare_range_with_value): Likewise.
3739         (compare_name_with_value, compare_names): Likewise.
3740         (vrp_evaluate_conditional): Likewise.
3741         (set_value_range): Handle infinity
3742         (vrp_operand_equal_p, operand_less_p): Likewise.
3743         (extract_range_from_assert): Likewise.
3744         (vrp_int_const_binop): Likewise.
3745         (extract_range_from_binary_expr): Likewise.
3746         (extract_range_from_unary_expr): Likewise.
3747         (extract_range_from_comparison): Likewise.
3748         (extract_range_from_expr): Likewise.
3749         (dump_value_range): Likewise.
3750         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
3751         (test_for_singularity): Likewise.
3752         (vrp_int_const_binop): Remove inline qualifier.
3753         (adjust_range_with_scev): Add comment.
3754         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
3755
3756 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
3757
3758         * tree-ssa-structalias.c (could_have_pointers): Tidy.
3759         (get_constraint_for): Likewise.
3760         (do_structure_copy): Likewise.
3761         (find_func_aliases): Fix references to MODIFY_EXPR.
3762         (intra_create_variable_infos): Tidy.
3763         * tree-ssa-operands.c (add_virtual_operand): Add argument
3764         IS_CALL_SITE.
3765         When adding members of alias sets, if IS_CALL_SITE is true and
3766         the symbol is not call-clobbered, skip it.
3767         Adjust all callers.
3768
3769 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
3770
3771         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
3772         entry by means of emit_insn_at_entry.
3773
3774 2007-03-02  Richard Henderson  <rth@redhat.com>
3775
3776         * expr.h (promoted_input_arg): Remove decl.
3777         * function.c (promoted_input_arg): Merge into ...
3778         * combine.c (setup_incoming_promotions): ... only caller.
3779         Rearrange to avoid double loop.
3780
3781 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3782             Peter Bergner  <bergner@vnet.ibm.com>
3783             Janis Johnson  <janis187@us.ibm.com>
3784
3785         * config/rs6000/dfp.md: New file.
3786         * config/rs6000/rs6000.md: Include dfp.md.
3787         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
3788         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
3789         and TDmode decimal float modes in FP registers.
3790         (num_insns_constant): Likewise.
3791         (rs6000_legitimate_offset_address_p): Likewise.
3792         (rs6000_legitimize_address): Likewise.
3793         (rs6000_legitimize_reload_address): Likewise.
3794         (rs6000_legitimate_address): Likewise.
3795         (rs6000_emit_move): Likewise.
3796         (function_arg_boundary): Likewise.
3797         (function_arg_advance): Likewise.
3798         (rs6000_darwin64_record_arg_recurse): Likewise.
3799         (function_arg): Likewise.
3800         (rs6000_gimplify_va_arg): Likewise.
3801         (rs6000_split_multireg_move): Likewise.
3802         (rs6000_output_function_epilogue): Likewise.
3803         (rs6000_output_function_epilogue): Likewise.
3804         (rs6000_register_move_cost): Likewise.
3805         (rs6000_function_value): Likewise.
3806         (rs6000_libcall_value): Likewise.
3807
3808 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3809
3810         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
3811
3812 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
3813
3814         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
3815         Use $MULTIDIR to choose between the kernel and RTP headers,
3816         and use $WIND_BASE and $WIND_USR to locate them.
3817
3818 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3819
3820         * config/i386/i386.c (override_options): Put initialization of
3821         ix86_tune_mask and ix86_arch_mask to the correct place.
3822
3823 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
3824             Michael Meissner  <michael.meissner@amd.com>
3825
3826         PR target/31019
3827         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
3828         (ARCHMASK): Define.
3829         (TARGET_CMOVE): Use ARCHMASK.
3830         (TARGET_CMPXCHG): Ditto.
3831         (TARGET_CMPXCHG8B): Ditto.
3832         (TARGET_XADD): Ditto.
3833         (TARGET_BSWAP): Ditto.
3834         * config/i386/i386.c (ix86_tune_mask): New global variable.
3835         (ix86_arch_mask): Ditto.
3836         (override_options): Initialize ix86_tune_mask and
3837         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
3838         target_flags.
3839
3840 2007-03-02  Ben Elliston  <bje@au.ibm.com>
3841
3842         PR 30992
3843         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
3844
3845 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
3846
3847         * target.h (init_dwarf_reg_sizes_extra): New target hook.
3848         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
3849         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
3850         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
3851         hook.
3852         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
3853         rs6000_init_dwarf_reg_sizes_extra): New.
3854         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
3855         SPE register high parts.
3856
3857 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
3858
3859         * Makefile.in: Add install-pdf target as
3860         copied from automake v1.10 rules.
3861         * configure.ac: Add install-pdf to target list.
3862         * configure: Regenerate.
3863
3864 2007-03-01  Paul Brook  <paul@codesourcery.com>
3865
3866         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
3867         modes to LDRD for DImode.
3868         (output_move_double): Fixup out of range ldrd/strd.
3869         (vfp_secondary_reload_class): Rename...
3870         (coproc_secondary_reload_class): ... to this.  Add wb argument.
3871         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
3872         coproc_secondary_reload_class for CLASS_IWMMXT.
3873         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
3874         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
3875
3876 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
3877
3878         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
3879         factor by the estimated number of iterations.
3880         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
3881         prefetch latency.
3882
3883         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
3884         decode_caches_intel, detect_caches_intel): New functions.
3885         (host_detect_local_cpu): Use detect_caches_amd and
3886         detect_caches_intel.
3887
3888 2007-03-01  Richard Henderson  <rth@redhat.com>
3889
3890         * expr.c (emit_move_complex_push): Export.
3891         (emit_move_complex_parts): Split out from ...
3892         (emit_move_complex): ... here.
3893         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
3894         * config/i386/i386.md (movcdi): New.
3895
3896 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
3897
3898         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
3899         size of mode1 to check for tieable modes in MMX case.
3900
3901 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
3902
3903         * Makefile.in (rtlanal.o): Depend on tree.h.
3904         * rtl.h (offset_within_section_p, split_const): Declare.
3905         * rtlanal.c: Include tree.h.
3906         (offset_within_block_p): New function, taken from
3907         mips_offset_within_object_p.
3908         (split_const): New function, taken from mips_split_const.
3909         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
3910         Declare.
3911         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
3912         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
3913         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
3914         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
3915         (m68k_illegitimate_symbolic_constant_p): New function.
3916         * config/m68k/m68k.md (movsi): Remove misleading predicates.
3917         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
3918         symbolic constant that might be outside the symbol's section,
3919         move the symbol first and then add the offset.
3920         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
3921         Override.
3922         * config/mips/mips.c (mips_split_const): Delete.
3923         (mips_offset_within_object_p): Delete.
3924         (mips_symbolic_constant_p): Use offset_within_section_p and
3925         split_const instead of mips_offset_within_object_p and
3926         mips_split_const.
3927         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
3928         (mips_legitimize_const_move, print_operand_reloc)
3929         (mips_dangerous_for_la25_p): Use split_const instead of
3930         mips_split_const.
3931
3932 2007-02-28  Eric Christopher  <echristo@apple.com>
3933
3934         * Makefile.in (install-include-dir): Don't rm -rf include.
3935
3936 2007-02-28  Richard Guenther  <rguenther@suse.de>
3937
3938         PR middle-end/30364
3939         * fold-const.c (fold_binary): Do not associate expressions
3940         with more than one variable for integer types that do not wrap.
3941
3942 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
3943
3944         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
3945         Delete, and replace with...
3946         (fold_builtin_call_array): This.  Update callers to use it.
3947         * fold-const.c (fold_build_call_list): Delete, and replace with...
3948         (fold_build_call_array): This.
3949         (fold_build_call_list_initializer): Delete, and replace with...
3950         (fold_build_call_array_initializer): This.
3951         * tree.h: Update declarations to reflect above changes.
3952
3953         * c-typeck.c (build_function_call): Store converted arguments
3954         in a stack-allocated array instead of building a list.
3955         (convert_arguments): Store arguments in the array passed in as an
3956         argument, and return the actual number of arguments.
3957         * c-format.c: (check_function_format): Pass arguments in an
3958         array instead of a list.
3959         * c-common.c (check_function_nonnull): Likewise.
3960         (check_function_sentinel): Likewise.
3961         (check_function_arguments): Likewise.
3962         * c-common.h: Update declarations to reflect above changes.
3963
3964 2007-02-28  Jan Hubicka  <jh@suse.cz>
3965
3966         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
3967         PRED_NEGATIVE_RETURN): Update outcomes.
3968
3969 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3970
3971         * calls.c (emit_library_call_value_1): Handle partial registers
3972         correctly when building up CALL_INSN_FUNCTION_USAGE.
3973
3974 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3975
3976         * pa/predicates.md (move_src_operand): Allow zero for mode.
3977         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
3978         move pattern.
3979
3980 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
3981
3982         PR target/30970
3983         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
3984         *movv2df_internal): Enable pattern only for valid operand
3985         combinations.
3986         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
3987         tie only 128bit modes. For MMX registers, tie only 64bit modes.
3988
3989 2007-02-27  Mike Stump  <mrs@apple.com>
3990
3991         * config/darwin-crt3.c: Avoid compilation when compiling for a
3992         kext multilib.
3993
3994 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
3995
3996         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
3997         FIXED_INCLUDE_DIR.
3998         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
3999         for fixed headers and limits.h.
4000         (install-include-dir, install-headers-tar, install-headers-cpio,
4001         install-headers-cp, real-install-headers-tar,
4002         real-install-headers-cpio, real-install-headers-cp): Handle
4003         include-fixed as well as include.
4004         (install-mkheaders): Don't install files that go only in include
4005         not include-fixed.
4006         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
4007         from GCC_INCLUDE_DIR.
4008         * gcc.c (process_command): Remove special -BstageN/ handling.
4009         (do_spec_1): Add include-fixed directories.
4010
4011 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4012
4013         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
4014         _smulsi3_highpart.
4015         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
4016         New functions.
4017         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
4018         patterns.
4019
4020 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
4021
4022         * c-common.c (get_priority): Add check for
4023         SUPPORTS_INIT_PRIORITY.
4024
4025 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4026
4027         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
4028
4029         * config/bfin/bfin.c: Include "cfglayout.h".
4030         (MAX_LSETUP_DISTANCE): New macro.
4031         (struct loop_info): New members incoming, incoming_src and
4032         incoming_dest.  Delete member predecessor.
4033         (length_for_loop): New function.
4034         (bfin_optimize_loop): Handle more different loop structures.
4035         (bfin_discover_loop): Rework detection of predecessor blocks by
4036         examining incoming edges.
4037         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
4038         bfin_reorg_loops.
4039         (bfin_reorder_loops): New function.
4040         (bfin_reorg_loops): Use these three new functions.
4041
4042         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
4043         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
4044         (CONSTRAINT_LEN): Add entry for 'q'.
4045         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
4046         Add 'q' constraints.
4047         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
4048         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
4049
4050         * config/bfin/bfin.md (add_with_carry): New pattern.
4051         (s_or_u, su_optab, su_modifier): New code macros/attrs.
4052         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
4053         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
4054         support unsigned multiplies too.  Removed incorrect commutativity from
4055         operand 1 constraint where appropriate.
4056         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
4057         patterns.
4058         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
4059         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
4060         New patterns.
4061         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
4062         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
4063         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
4064         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
4065         usmulhisi_hh_huh): New patterns.
4066
4067         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
4068         lshifthi3): Fix output template to use half reg for operand 2.
4069
4070         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
4071         instead of R2.
4072
4073         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
4074
4075 2007-02-27  Andreas Schwab  <schwab@suse.de>
4076
4077         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
4078
4079 2007-02-27  Jan Hubicka  <jh@suse.cz>
4080
4081         * predict.c (last_basic_block_p): Remove.
4082         (tree_estimate_probability): Update return heuristic for commonized
4083         return blocks.
4084
4085 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4086
4087         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
4088
4089 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
4090
4091         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4092         * doc/cpp.texi: Standardize title page.
4093         * doc/cppinternals.texi: Likewise.
4094         * doc/gcc.texi: Standardize title page, remove version number
4095         from copyright page.
4096         * doc/gccint.texi: Likewise.
4097         * doc/install.texi: Standardize title page, add table of
4098         contents.
4099
4100 2007-02-26  Jan Hubicka  <jh@suse.cz>
4101
4102         * predict.def: Set outcomes according to more recent results.
4103         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
4104         Remove dead predictors.
4105         * predict.c (return_prediction): Fix pasto.
4106
4107 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
4108
4109         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
4110         change; avoid a memory leak when returning early.
4111
4112 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
4113
4114         * c-decl.c (static_ctors): Move to c-common.c.
4115         (static_dtors): Likewise.
4116         (finish_function): Use c_record_cdtor_fn.
4117         (build_cdtor): Move to c-common.c.
4118         (c_write_global_declarations): Use c_build_cdtor_fns.
4119         * c-common.h (static_ctors): Declare.
4120         (static_dtors): Likewise.
4121         (c_record_cdtor_fn): Likewise.
4122         (c_build_cdtor_fns): Likewise.
4123         * c-common.c (static_ctors): New variable.
4124         (static_dtors): Likewise.
4125         (c_record_cdtor_fn): New function.
4126         (build_cdtor): Move from c-decl.c
4127         (c_build_cdtor_fns): New function.
4128
4129         * output.h (assemble_addr_to_section): Declare.
4130         (get_cdtor_priority_section): Likewise.
4131         * varasm.c (assemble_addr_to_section): New function.
4132         (get_cdtor_priority_section): Likewise.
4133         (default_named_section_asm_out_destructor): Use them.
4134         (destor_dtor_section_asm_out_destructor): Likewise.
4135         (default_named_section_asm_out_constructor): Likewise.
4136         (default_ctor_section_asm_out_constructor): Likewise.
4137         * config.gcc (*-*-vxworks*): Include vxworks.o.
4138         * config/t-vxworks (vxworks.o): New target.
4139         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
4140         (TARGET_ASM_CONSTRUCTOR): Define.
4141         (TARGET_ASM_DESTRUCTOR): Likewise.
4142         (vxworks_asm_out_constructor): Declare.
4143         (vxworks_asm_out_destructor): Likewise.
4144
4145         * c-common.c (get_priority): Check that we have not just an
4146         INTEGER_CST, but an integer constant with integeral type.
4147
4148 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
4149
4150         PR tree-optimization/30938
4151         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
4152         use &dt[nargs-1] instead of &dt[nargs] in the call to
4153         vect_is_simple_use().
4154
4155 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
4156
4157         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4158         from register elimination as PRE_MODIFY / POST_MODIFY increments.
4159         Do not attempt to handle MEM inside auto-inc expressions.
4160         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
4161         of a register modified by an auto-inc expression.  However, do handle
4162         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
4163         (elimination_effects): Prohibit elimination of a register modified
4164         by an auto-inc expression.  Disable register elimination rules whose
4165         target register is modified by an auto-inc expression with variable
4166         increment.
4167
4168 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
4169
4170         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4171         off-by-one error.
4172         (array_at_struct_end_p): New function.
4173         (idx_infer_loop_bounds): Use it.
4174         (estimate_numbers_of_iterations_loop): Export.
4175         * predict.c (predict_loops): Use estimated_loop_iterations_int.
4176         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
4177         (tree_estimate_probability): Call record_loop_exits.
4178         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
4179         (estimated_loop_iterations, estimated_loop_iterations_int,
4180         estimated_loop_iterations_tree): New functions.
4181         (analyze_siv_subscript_cst_affine,
4182         compute_overlap_steps_for_affine_1_2,
4183         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
4184         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
4185         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
4186         (PRED_LOOP_ITERATIONS_GUESSED): New.
4187         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
4188         * cfgloop.h (estimate_numbers_of_iterations_loop,
4189         estimated_loop_iterations_int): Declare.
4190
4191 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
4192
4193         * doc/extend.texi: Document optional priority argument to
4194         constructors and destructors.
4195         * tree.c (init_priority_for_decl): Adjust GTY markers.
4196         (init_ttree): Use priority-info hash functions for
4197         init_priority_for_decl.
4198         (tree_map_eq): Rename to ...
4199         (tree_map_base_eq): ... this.
4200         (tree_map_marked_p): Rename to ...
4201         (tree_map_base_marked_p): ... this.
4202         (tree_map_base_hash): New function.
4203         (decl_init_priority_lookup): Rework.
4204         (decl_fini_priority_lookup): New function.
4205         (decl_priority_info): New function.
4206         (decl_init_priority_insert): Use it.
4207         (decl_fini_priority_insert): Likewise.
4208         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
4209         hierarchy.
4210         (decl_restrict_base_insert): Likewise.
4211         (decl_debug_expr_insert): Likewise.
4212         (decl_value_expr_lookup): Likewise.
4213         (decl_value_expr_insert): Likewise.
4214         * tree.h (priority_type): New type.
4215         (decl_init_priority_lookup): Use priority_type.
4216         (decl_fini_priority_lookup): New function.
4217         (decl_init_priority_insert): Use priority_type.
4218         (decl_fini_priority_insert): New function.
4219         (DECL_HAS_INIT_PRIORITY): Tweak comments.
4220         (DECL_INIT_PRIORITY): Likewise.
4221         (SET_DECL_INIT_PRIORITY): Add comment.
4222         (DECL_FINI_PRIORITY): New macro.
4223         (SET_DECL_FINI_PRIORITY): Likewise.
4224         (DEFAULT_INIT_PRIORITY): Document.
4225         (MAX_INIT_PRIORITY): Likewise.
4226         (MAX_RESERVED_INIT_PRIORITY): Likewise.
4227         (tree_map_base): New type.
4228         (tree_map_base_eq): New function.
4229         (tree_map_base_hash): Likewise.
4230         (tree_map_base_marked_p): Likewise.
4231         (tree_map): Inherit from tree_map_base.
4232         (tree_map_eq): Make it a macro.
4233         (tree_map_marked_p): Likewise.
4234         (tree_int_map): Inherit from tree_map_base.
4235         (tree_int_map_eq): Make it a macro.
4236         (tree_int_map_hash): Likewise.
4237         (tree_int_map_marked_p): Likewise.
4238         (tree_priority_map): New type.
4239         (tree_priority_map_eq): New macro.
4240         (tree_priority_map_hash): Likewise.
4241         (tree_priority_map_marked_p): Likewise.
4242         * varasm.c (emults_decl): Adjust for refactoring of tree_map
4243         hierarchy.
4244         (emutls_common_1): Likewise.
4245         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
4246         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
4247         of tree_map hierarchy.
4248         * tree-cfg.c (move_stmt_r): Likewise.
4249         (new_label_mapper): Likewise.
4250         * c-tree.h (c_expand_body): Move to ...
4251         * c-common.h (c_expand_body): ... here.
4252         * c-decl.c (c_expand_body): Move to ...
4253         * c-common.c (c_expand_body): ... here.
4254         (c_common_attribute_table): Allow 1 argument for the constructor
4255         and destructor attributes.
4256         (get_priority): New function.
4257         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
4258         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
4259
4260 2007-02-24  Jan Hubicka  <jh@suse.cz>
4261
4262         PR middle-end/30509
4263         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
4264
4265 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4266             Jan Hubicka  <jh@suse.cz>
4267
4268         PR target/30778
4269         * i386.c (counter_mode): New function.
4270         (expand_set_or_movmem_via_loop): Use it.
4271         (expand_movmem_epilogue): Likewise; fix pasto.
4272         (ix86_expand_movmem): Do emit guard even for constant counts.
4273         (ix86_expand_setmem): Likewise.
4274
4275 2007-02-25  Nick Clifton  <nickc@redhat.com>
4276
4277         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
4278         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4279
4280 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
4281
4282         PR target/30770
4283         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
4284         count argument with 0x10, not with 0x16.
4285         (expand_setmem_epilogue): Ditto.
4286
4287 2007-02-24  Mike Stump  <mrs@apple.com>
4288
4289         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
4290         symbols.
4291
4292 2007-02-24  Richard Guenther  <rguenther@suse.de>
4293
4294         PR middle-end/30951
4295         * fold-const.c (fold_binary): Fold x +- CST op x for
4296         EQ_EXPR and NE_EXPR.
4297
4298 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4299
4300         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
4301
4302 2007-02-24  Jan Hubicka  <jh@suse.cz>
4303
4304         * cgraphunit.c (decide_is_function_needed): Honor
4305         -fkeep-inline-functions.
4306
4307 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4308
4309         * builtins.c (fold_builtin_modf): New.
4310         (fold_builtin_2): Use it.
4311
4312 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
4313
4314         * loop-iv.c (implies_p): Detect additional cases where A implies B.
4315         (determine_max_iter): Take additional LOOP arg; all callers changed.
4316         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
4317         one using simplifications.
4318         (simplify_using_initial_values): Return if the expression becomes
4319         invalid due to altered regs.
4320
4321 2007-02-23  DJ Delorie  <dj@redhat.com>
4322
4323         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
4324
4325 2007-02-23  Mike Stump  <mrs@apple.com>
4326
4327         * tlink.c (scan_linker_output): Parse linker messages from
4328         darwin9's linker better.
4329
4330 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
4331
4332         PR debug/29614
4333         * varpool.c (varpool_assemble_pending_decls):  Set
4334         varpool_last_needed_node to null.
4335
4336 2007-02-23  DJ Delorie  <dj@redhat.com>
4337
4338         * config/i386/i386.c (ix86_data_alignment): Don't specify an
4339         alignment bigger than the object file can handle.
4340
4341 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
4342
4343         PR target/30825
4344         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
4345         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
4346         (*movsf_1): Penalize MMX moves.
4347
4348 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
4349
4350         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
4351         2^32-1 or more times unless flag_unsafe_loop_optimizations.
4352
4353         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
4354
4355 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4356
4357         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
4358         (fold_builtin_1): Use them.
4359         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
4360         BUILT_IN_SIGNIFICAND.
4361
4362 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
4363
4364         * config/i386/i386.c (bdesc_1arg): Initialize
4365         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
4366         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
4367         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
4368         and IX86_BUILTIN_MOVSLDUP.
4369
4370 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
4371
4372         PR rtl-optimization/30841
4373         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
4374
4375 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4376
4377         * builtins.c (fold_builtin_frexp): New.
4378         (fold_builtin_2): Use it.
4379
4380 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
4381
4382         * doc/invoke.texi (Spec Files): Document getenv spec function.
4383
4384         * gcc.c (getenv_spec_function): New function.
4385         (static_spec_functions): Add it.
4386         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
4387         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
4388         header files.
4389
4390 2007-02-22  Michael Matz  <matz@suse.de
4391
4392         PR c++/29433
4393         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
4394         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
4395
4396 2007-02-22  Ian Lance Taylor  <iant@google.com>
4397
4398         PR debug/30898
4399         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
4400         (mem_loc_descriptor): Call it.
4401
4402 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
4403             Ira Rosen  <irar@il.ibm.com>
4404
4405         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
4406
4407 2007-02-22  Ira Rosen  <irar@il.ibm.com>
4408
4409         PR tree-optimization/30843
4410         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
4411         stores only after all the group is vectorized.
4412
4413 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
4414
4415         PR tree-optimization/30858
4416         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
4417         in the reduction cycle have a single use in the loop.
4418         * tree-vectorizer.h (relevant): Add documentation.
4419
4420 2007-02-20  Mike Stump  <mrs@apple.com>
4421
4422         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
4423         * configure: Regenerate.
4424
4425 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4426
4427         Change the defaults of some parameters and options.
4428         * config/spu/spu-protos.h (spu_optimization_options): Declare.
4429         * config/spu/spu.c (spu_optimization_options): Add.
4430         (spu_override_options): Change params in spu_optimization_options.
4431         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
4432
4433         Register 127 is only 16 byte aligned when used as a frame pointer.
4434         * config/spu/spu-protos.h (spu_init_expanders): Declare.
4435         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
4436         HARD_FRAME_POINTER_REGNUM.
4437         (spu_legitimate_address):  Use regno_aligned_for_reload.
4438         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
4439         aligned when frame_pointer_needed is true.
4440         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
4441         to 8 bits.
4442         * config/spu/spu.h (INIT_EXPANDERS): Define.
4443
4444         Make sure shift and rotate instructions have valid immediate operands.
4445         * config/spu/predicates.md (spu_shift_operand): Remove.
4446         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
4447         * config/spu/constraints.md (W, O): Extend range.
4448         * config/spu/spu.md (umask, nmask): Define.
4449         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
4450         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
4451         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
4452         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
4453         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
4454         (lshr<mode>3_reg):  Fix rtl description.
4455
4456         Make sure mulhisi immediate operands are valid.
4457         * config/spu/predicates.md (imm_K_operand): Add.
4458         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
4459
4460         Generate constants using fsmbi and andi.
4461         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
4462         (print_operand, spu_split_immediate, classify_immediate,
4463         fsmbi_const_p): Handle IC_FSMBI2.
4464
4465         Correctly handle a CONST_VECTOR containing symbols.
4466         * config/spu/spu.c (print_operand): Handle HIGH correctly.
4467         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
4468         (immediate_load_p): Allow symbols that use 2 instructions to create.
4469         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
4470         with symbols when flag_pic is set.
4471         (const_vector_immediate_p): New.
4472         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
4473         accept a CONST_VECTOR with symbols.
4474         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
4475         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
4476         correctly.
4477         * config/spu/spu.md (high, low): Delete.
4478         (low_<mode>): Define.
4479
4480         Remove INTRmode and INTR_REGNUM, which didn't work.
4481         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
4482         of INTR_REGNUM.
4483         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
4484         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
4485         peephole2 pattern): Don't use INTR or 131.
4486         (movintrcc): Delete.
4487         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
4488         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
4489         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
4490         (UNSPEC_SET_INTR): Add.
4491         * config/spu/spu-modes.def (INTR): Remove.
4492
4493         More accurate warnings about run-time relocations.
4494         * config/spu/spu.c (reloc_diagnostic): Test in_section.
4495
4496         Correctly warn about immediate arguments to specific intrinsics.
4497         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
4498         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
4499         the instruction predicate.
4500
4501         Fix tree check errors with latest update.
4502         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
4503         CALL_EXPR_ARG.
4504         (spu_expand_builtin): Use CALL_EXPR_FN.
4505
4506         Add missing specific intrinsics.
4507         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
4508         si_bislede.
4509         * config/spu/spu_internals.h: Ditto.
4510
4511         Fix incorrect operand modifiers.
4512         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
4513         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
4514
4515         Optimize one case of zero_extend of a vec_select.
4516         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
4517
4518         Accept any immediate for hbr.
4519         * config/spu/spu.md (hbr):  Change s constraints to i.
4520
4521 2007-02-21  Paul Brook  <paul@codesourcery.com>
4522
4523         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
4524         condexec_count when skipping USE and CLOBBER.
4525
4526 2007-02-21  Nick Clifton  <nickc@redhat.com>
4527
4528         * common.opt (Warray-bounds): Add Warning attribute.
4529         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
4530         Likewise.
4531         (fsized-zeroes): Add Optimization attribute.
4532         (fsplit-wide-types, ftree-scev-cprop): Likewise.
4533         * c.opt (Wc++0x-compat): Add Warning attribute.
4534
4535 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
4536
4537         PR middle-end/30761
4538         * reload1.c (eliminate_regs_in_insn): In the single_set special
4539         case, attempt to re-recognize the insn before falling back to
4540         having reload fix it up.
4541
4542 2007-02-20  Eric Christopher  <echristo@gmail.com>
4543
4544         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
4545         Rewrite accordingly.
4546         (frv_read_iacc_argument): Ditto.
4547         (frv_expand_set_builtin): Take a call instead of arglist, update for
4548         above changes.
4549         (frv_expand_unop_builtin): Ditto.
4550         (frv_expand_binop_builtin): Ditto.
4551         (frv_expand_cut_builtin): Ditto.
4552         (frv_expand_binopimm_builtin): Ditto.
4553         (frv_expand_voidbinop_builtin): Ditto.
4554         (frv_expand_int_void2arg): Ditto.
4555         (frv_expand_prefetches): Ditto.
4556         (frv_expand_voidtriop_builtin): Ditto.
4557         (frv_expand_voidaccop_builtin): Ditto.
4558         (frv_expand_load_builtin): Ditto.
4559         (frv_expand_store_builtin): Ditto.
4560         (frv_expand_mdpackh_builtin): Ditto.
4561         (frv_expand_mclracc_builtin): Ditto.
4562         (frv_expand_mrdacc_builtin): Ditto.
4563         (frv_expand_mwtacc_builtin): Ditto.
4564         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
4565         calls for above.
4566
4567 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
4568
4569         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
4570         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
4571         cmpb instruction.
4572         (HAVE_GAS_DFP): Check for assembler support of decimal floating
4573         point instructions.
4574         * configure: Regenerate.
4575         * config.in: Regenerate.
4576         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
4577         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
4578         masks to power6 and power6x and to POWERPC_MASKS.
4579         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4580         _ARCH_PWR6.
4581         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
4582         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
4583         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
4584         Access PROTOTYPE as variable, not mask.
4585
4586 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4587
4588         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
4589         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
4590         * combine.c (adjust_for_new_dest): Use it.
4591         * postreload.c (reload_combine): Likewise.
4592
4593 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
4594
4595         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
4596         notes on an insn with multiple sets, even if single_set returns
4597         non-NULL for that insn.
4598
4599 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4600
4601         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
4602         scalbn and scalbln.
4603
4604 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
4605
4606         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
4607         if user didn't pass it.
4608         * config/i386/darwin.h (CC1_SPEC): Likewise.
4609         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
4610         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
4611         -mmacosx-version-min.
4612
4613 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4614             Uros Bizjak  <ubizjak@gmail.com>
4615
4616         * optabs.h (enum optab_index): Add new OTI_scalb.
4617         (scalb_optab): Define corresponding macro.
4618         * optabs.c (init_optabs): Initialize scalb_optab.
4619         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
4620         patterns.
4621         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
4622         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
4623         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
4624         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
4625         flag_unsafe_math_optimizations is set.
4626
4627         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
4628         to implement scalbf, scalb and scalbl built-ins as inline x87
4629         intrinsics.
4630
4631 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4632             DJ Delorie <dj@redhat.com>
4633
4634         PR other/30824
4635         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
4636         (diagnostic_report_diagnostic): ... here, and turn them into real
4637         errors. If warnings are inhibited, no need to do anything.
4638
4639 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
4640
4641         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
4642         better code generation.
4643
4644 2007-02-20  Ben Elliston  <bje@au.ibm.com>
4645
4646         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
4647
4648 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
4649
4650         * config/alpha/alpha.c, config/alpha/alpha.md,
4651         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
4652         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
4653         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
4654         config/arm/lib1funcs.asm: Follow spelling conventions.
4655
4656         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
4657         config/fr30/fr30.md, config/i386/i386.h,
4658         config/iq2000/iq2000.h, config/iq2000/predicates.md,
4659         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
4660         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
4661         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
4662         config/rs6000/altivec.md, config/rs6000/rs6000.c,
4663         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
4664         config/sparc/sparc.c, config/sparc/sparc.h,
4665         config/sparc/sparc.md, config/spu/constraints.md,
4666         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
4667         conventions.
4668
4669 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
4670
4671         PR target/29943
4672         * varasm.c (use_blocks_for_decl_p): Return false for decls with
4673         alias attribute.
4674
4675 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4676
4677         * doc/invoke.texi (-ftree-lrs): Remove.
4678
4679 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
4680
4681         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
4682         NULL.
4683
4684 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
4685
4686         * config/ia64/ia64.c (ia64_expand_builtin): Use the
4687         new CALL_EXPR_FN macro for retrieving the function
4688         declaration of the input expression.
4689
4690 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4691
4692         * c.opt (Waddress): New.
4693         * common.opt (Walways-true): Delete.
4694         (Wstring-literal-comparison): Delete.
4695         * doc/invoke.texi (Warning Options): Delete -Walways-true and
4696         -Wstring-literal-comparison. Add -Waddress.
4697         (Waddress): New.
4698         (Walways-true): Delete.
4699         (Wstring-literal-comparison): Delete.
4700         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
4701         consistently instead of -Walways-true in example.
4702         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
4703         * c-typeck.c (parser_build_binary_op): Replace
4704         -Wstring-literal-comparison and -Walways-true with -Waddress.
4705         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
4706         with -Waddress.
4707
4708 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4709
4710         * tree-cfg.c (dump_function_to_file): Be prepared for functions
4711         without DECL_STRUCT_FUNCTION initialized.
4712
4713 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
4714
4715         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
4716         due to calls to functions taking pointers as parameters.
4717
4718 2007-02-19  Richard Henderson  <rth@redhat.com>
4719
4720         PR debug/29558
4721         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
4722         in memory.
4723
4724 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4725
4726         * config/s390/s390.c (s390_call_saved_register_used,
4727         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
4728         accessed to the new scheme.
4729
4730 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
4731
4732         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
4733         (cris_print_index, cris_print_operand, cris_print_operand_address)
4734         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
4735         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
4736         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
4737         GET_CODE () == xxx.
4738         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
4739         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
4740         GO_IF_LEGITIMATE_ADDRESS): Ditto.
4741         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
4742         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
4743         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
4744         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
4745         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
4746         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
4747         (uminsi3, call, call_value): Ditto.
4748         (define_split: indir_to_reg_split, unnamed): Ditto.
4749
4750 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
4751
4752         PR tree-optimization/30975
4753         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
4754         wrong assert.
4755
4756 2007-02-18  Eric Christopher  <echristo@gmail.com>
4757
4758         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
4759         Remove use of arglist.
4760         (mips_expand_builtin): Remove use of arglist, pass in expr.
4761         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
4762         (mips_expand_builtin_movtf): Ditto.
4763         (mips_expand_builtin_compare): Ditto.
4764
4765 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4766
4767         * tree-sra.c (sra_build_assignment): Replace assertion
4768         checking with a comment explaining why it can't be done.
4769
4770 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4771
4772         PR middle-end/30833
4773         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
4774         during CALL_EXPR representation conversion.
4775         * tree-ssa-propagate.c (set_rhs): Likewise.
4776
4777 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
4778
4779         * tree-sra.c (sra_build_assignment): Disable assertion checking
4780         for now.
4781
4782 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4783
4784         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
4785         instead of calling build2 with a GIMPLE_MODIFY_STMT.
4786         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
4787         Likewise.
4788         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
4789         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
4790         gimplify_init_ctor_eval_range, gimple_push_cleanup,
4791         gimplify_omp_for, gimplify_omp_atomic_pipeline,
4792         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
4793         force_gimple_operand): Likewise.
4794         * ipa-cp.c (constant_val_insert): Likewise.
4795         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4796         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
4797         perfect_nestify): Likewise.
4798         * langhooks.c (lhd_omp_assignment): Likewise.
4799         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
4800         lower_copyprivate_clauses, lower_send_clauses,
4801         lower_send_shared_vars, expand_parallel_call,
4802         expand_omp_for_generic, expand_omp_for_static_nochunk,
4803         expand_omp_for_static_chunk, expand_omp_sections,
4804         lower_omp_single_copy, lower_omp_for_lastprivate,
4805         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
4806         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
4807         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
4808         Likewise.
4809
4810 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
4811
4812         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
4813         config/sh/sh.md: Follow spelling conventions.
4814
4815         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
4816         config/frv/predicates.md: Follow spelling conventions.
4817
4818         * config/m68k/linux-unwind.h: Fix a comment typo.
4819         * target.h: Follow spelling conventions.
4820
4821 2007-02-18  Roger Sayle  <roger@eyesopen.com>
4822
4823         PR rtl-optimization/28173
4824         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
4825         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
4826         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
4827         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
4828         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
4829
4830 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4831
4832         * builtins.c (fold_builtin_load_exponent): New.
4833         (fold_builtin_2): Use it.
4834
4835 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
4836
4837         PR rtl-optimization/30773
4838         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
4839         if we fail to attach a REG_EQUIV note.
4840
4841 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
4842             Roger Sayle  <roger@eyesopen.com>
4843
4844         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
4845
4846 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
4847
4848         * calls.c (initialize_argument_information): Pass original EXP
4849         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
4850         code to split complex arguments here, as part of initializing the
4851         ARGS array.
4852         (expand_call): Remove code that builds a list of arguments and
4853         inserts implicit arguments into it.  Instead, just count how many
4854         implicit arguments there will be so we can determine the size of
4855         the ARGS array, and let initialize_argument_information do the work.
4856         (split_complex_values): Delete unused function.
4857
4858 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4859
4860         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
4861
4862 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
4863
4864         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
4865         for arg pointer based indexed addressing.
4866
4867 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4868
4869         * config/ia64/ia64.h, config/ia64/ia64.md,
4870         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
4871         spelling conventions.
4872
4873 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4874
4875         * config/m68k/m68k.c (split_di): New.
4876         * config/m68k/m68k-protos.h: Declare split_di.
4877         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
4878           Improve predicate handling and split constant shifts.
4879
4880 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4881
4882         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
4883         parameter for register bitfield operations, general predicates
4884         cleanup
4885
4886 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
4887
4888         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
4889         * config/m68k/linux-unwind.h: New file.
4890
4891 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
4892
4893         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
4894         config/i386/athlon.md, config/ia64/ia64.md,
4895         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
4896         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
4897         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
4898         tree-ssa-loop-niter.c, tree-vect-analyze.c,
4899         tree-vect-transform.c: Fix comment typos.
4900
4901 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
4902
4903         * sched-deps.c (find_insn_list): Remove.
4904         * sched-int.h: Remove the prototype for find_insn_list.
4905
4906 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
4907
4908         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
4909         to linker.
4910         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
4911         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
4912         darwin_rs6000_override_options.
4913         (C_COMMON_OVERRIDE_OPTIONS): Expect
4914         darwin_macosx_version_min to be non-NULL always.
4915         (TARGET_C99_FUNCTIONS): Likewise.
4916         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
4917         (DARWIN_MINVERSION_SPEC): New.
4918         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
4919         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
4920         to cc1*.
4921         (DARWIN_MINVERSION_SPEC): New.
4922         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
4923         value.
4924         * config/darwin-c.c (darwin_cpp_builtins): Expect
4925         darwin_macosx_version_min to be non-NULL always.
4926
4927         * config/rs6000/rs6000.c: Clean up trailing whitespace.
4928
4929 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
4930
4931         * config/i386/i386.h (x86_use_xchgb): New.
4932         (TARGET_USE_XCHGB): New macro.
4933         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
4934         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
4935         Split after reload into bswaphi for shifts of 8.
4936         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
4937         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
4938         or when optimizing for size.
4939
4940 2007-02-16  Richard Guenther  <rguenther@suse.de>
4941             Christian Bruel  <christian.bruel@st.com>
4942
4943         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
4944         DECLs but prefer SSA_NAMEs over DECLs.
4945
4946 2007-02-16  Richard Guenther  <rguenther@suse.de>
4947
4948         * tree-flow-inline.h (single_imm_use_p): Remove.
4949         (zero_imm_uses_p): Likewise.
4950         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
4951         instead of single_imm_use_p.
4952         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
4953         zero_imm_uses_p.
4954
4955 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4956
4957         PR other/27843
4958         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
4959         nested double- and backquotes.
4960
4961 2007-02-15  Roger Sayle  <roger@eyesopen.com>
4962
4963         PR middle-end/30391
4964         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
4965         should be unreachable.
4966         (build2_stat): Allow construction of MODIFY_EXPR at any time.
4967         For the time being redirect GIMPLE_MODIFY_STMT to the new
4968         (renamed) build_gimple_modify_stmt_stat.
4969         (build2_gimple_stat): Rename to...
4970         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
4971         Always build a GIMPLE_MODIFY_STMT node.
4972         * tree.h (build2_gimple, build2_gimple_stat): Delete.
4973         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
4974         declarations.
4975
4976         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
4977         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
4978         * tree-complex.c (set_component_ssa_name, expand_complex_move,
4979         expand_complex_div_wide): Likewise.
4980         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
4981         * tree-ssa-loop-im.c (schedule_sm): Likewise.
4982         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
4983         * tree-ssa-loop-manip.c (create_iv): Likewise.
4984         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
4985         abs_replacement): Likewise.
4986         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
4987         realify_fake_stores): Likewise.
4988
4989         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
4990         node rather than a GIMPLE_MODIFY_STMT node.
4991         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
4992         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
4993         Likewise.
4994         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
4995         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
4996         GIMPLE_MODIFY_STMT.
4997
4998 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4999
5000         PR middle-end/30433
5001         * fold-const.c (fold_comparison): Add back the
5002         folding of constant complex comparisions.
5003
5004 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5005
5006         PR middle-end/30729
5007         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
5008         effects unknown to this function, return early.
5009
5010 2007-02-15  Ian Lance Taylor  <iant@google.com>
5011
5012         * lower-subreg.c (move_eh_region_note): New static function.
5013         (resolve_simple_move): Call it.
5014         (decompose_multiword_subregs): Track blocks for which we resolve a
5015         simple move which is also a control flow insn.  Pass them to
5016         find_many_sub_basic_blocks.
5017         (pass_lower_subreg): Add TODO_verify_flow.
5018         (pass_lower_subreg2): Likewise.
5019
5020 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5021             Brooks Moses  <brooks.moses@codesourcery.com>
5022             Lee Millward  <lee.millward@codesourcery.com>
5023
5024         * tree.h (enum tree_code_class): Add tcc_vl_exp.
5025         (VL_EXP_CLASS_P): New.
5026         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
5027         TREE_CODE_LENGTH.
5028         (TREE_OPERAND_CHECK_CODE): Likewise.
5029         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
5030         (TREE_RTL_OPERAND_CHECK): Likewise.
5031         (tree_operand_check_failed): Make second parameter the whole tree
5032         instead of its code.  Fixed callers.
5033         (VL_EXP_CHECK): New.
5034         (TREE_OPERAND_LENGTH): New.
5035         (VL_EXP_OPERAND_LENGTH): New.
5036         (CALL_EXPR_FN): New.
5037         (CALL_EXPR_STATIC_CHAIN): New.
5038         (CALL_EXPR_ARGS): New.
5039         (CALL_EXPR_ARG): New.
5040         (call_expr_nargs): New.
5041         (CALL_EXPR_ARGP): New.
5042         (build_nt_call_list): Declare.
5043         (build_vl_exp_stat): Declare.
5044         (build_vl_exp): New.
5045         (build_call_list): Declare.
5046         (build_call_nary): Declare.
5047         (build_call_valist): Declare.
5048         (build_call_array): Declare.
5049         (call_expr_arg): Declare.
5050         (call_expr_argp): Declare.
5051         (call_expr_arglist): Declare.
5052         (fold_build_call_list): Declare.
5053         (fold_build_call_list_initializer): Declare.
5054         (fold_call_expr): Declare to replace fold_builtin.
5055         (fold_builtin_fputs): Update to agree with modified definition.
5056         (fold_builtin_strcpy): Likewise.
5057         (fold_builtin_strncpy): Likewise.
5058         (fold_builtin_memory_chk): Likewise.
5059         (fold_builtin_stxcpy_chk): Likewise.
5060         (fold_builtin_strncpy_chk): Likewise.
5061         (fold_builtin_next_arg): Likewise.
5062         (fold_build_call_expr): Declare.
5063         (fold_builtin_call_list): Declare.
5064         (fold_builtin_call_valist): Declare.
5065         (build_call_expr): Declare.
5066         (validate_arglist): Update to agree with modified definition.
5067         (tree_operand_length): New.
5068         (call_expr_arg_iterator): New.
5069         (init_call_expr_arg_iterator): New.
5070         (next_call_expr_arg): New.
5071         (first_call_expr_arg): New.
5072         (more_call_expr_args_p): New.
5073         (FOR_EACH_CALL_EXPR_ARG): New.
5074
5075         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
5076         and tcc_gimple_stmt.
5077         (tree_code_size): Update documentation.  Use sizeof (tree) rather
5078         than sizeof (char *).
5079         (tree_size): Likewise.  Add case for tcc_vl_exp.
5080         (tree_node_structure): Add case for tcc_vl_exp.
5081         (contains_placeholder_p): Likewise.
5082         (substitute_in_expr): Likewise.
5083         (substitute_placeholder_in_expr): Likewise.
5084         (stabilize_reference_1): Likewise.
5085         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
5086         to diagnose breakage of this interface for constructing CALL_EXPRs.
5087         (build_nt): Add similar assertion here.
5088         (build_nt_call_list): New.
5089         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
5090         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
5091         TREE_CODE_LENGTH.
5092         (get_callee_fndecl): Use new CALL_EXPR accessors.
5093         (tree_operand_check_failed): Change parameters to pass entire node
5094         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
5095         (process_call_operands): New.
5096         (build_vl_exp_stat): New.
5097         (build_call_list): New.
5098         (build_call_nary): New.
5099         (build_call_valist): New.
5100         (build_call_array): New.
5101         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5102         (call_expr_arglist): New.
5103
5104         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
5105         tcc_vl_exp instead of a fixed-size tcc_expression.
5106
5107         * doc/c-tree.texi (CALL_EXPR): Document new representation and
5108         accessors for CALL_EXPRs.
5109         (AGGR_INIT_EXPR): Likewise.
5110
5111 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5112             Brooks Moses  <brooks.moses@codesourcery.com>
5113             Lee Millward  <lee.millward@codesourcery.com>
5114
5115         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
5116         (expand_builtin_nonlocal_goto): Change parameter to be entire
5117         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
5118         (expand_builtin_prefetch): Likewise.
5119         (expand_builtin_classify_type): Likewise.
5120         (mathfn_built_in): Return NULL_TREE instead of 0.
5121         (expand_errno_check): Use new CALL_EXPR accessors.
5122         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
5123         Return NULL_RTX instead of 0.
5124         (expand_builtin_mathfn_2): Likewise.
5125         (expand_builtin_mathfn_3): Likewise.
5126         (expand_builtin_interclass_mathfn): Likewise.
5127         (expand_builtin_sincos): Likewise.
5128         (expand_builtin_cexpi): Likewise.
5129         (expand_builtin_int_roundingfn): Likewise.
5130         (expand_builtin_int_roundingfn_2): Likewise.
5131         (expand_builtin_pow): Likewise.
5132         (expand_builtin_powi): Likewise.
5133         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
5134         of arglist, fixing callers appropriately.  Use new CALL_EXPR
5135         accessors and constructors.  Return NULL_RTX instead of 0.
5136         (expand_builtin_strstr): Likewise.
5137         (expand_builtin_strchr): Likewise.
5138         (expand_builtin_strrchr): Likewise.
5139         (expand_builtin_strpbrk): Likewise.
5140         (expand_builtin_memcpy): Likewise.
5141         (expand_builtin_mempcpy): Likewise.
5142         (expand_builtin_mempcpy_args): New.
5143         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
5144         (expand_builtin_memmove_args): New.
5145         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
5146         (expand_movstr): Likewise.
5147         (expand_builtin_strcpy): Likewise.
5148         (expand_builtin_strcpy_args): New.
5149         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
5150         (expand_builtin_strncpy): Likewise.
5151         (expand_builtin_memset): Likewise.
5152         (expand_builtin_memset_args): New.
5153         (expand_builtin_bzero): Similarly to expand_builtin_memset.
5154         (expand_builtin_memcmp): Likewise.
5155         (expand_builtin_strcmp): Likewise.
5156         (expand_builtin_strncmp): Likewise.
5157         (expand_builtin_strcat): Likewise.
5158         (expand_builtin_strncat): Likewise.
5159         (expand_builtin_strspn): Likewise.
5160         (expand_builtin_strcspn): Likewise.
5161         (expand_builtin_args_info): Likewise.
5162         (expand_builtin_va_start): Likewise.
5163         (gimplify_va_arg_expr): Likewise.
5164         (expand_builtin_va_end): Likewise.
5165         (expand_builtin_va_copy): Likewise.
5166         (expand_builtin_frame_address): Likewise.
5167         (expand_builtin_alloca): Likewise.
5168         (expand_builtin_bswap): Likewise.
5169         (expand_builtin_unop): Likewise.
5170         (expand_builtin_fputs): Likewise.
5171         (expand_builtin_expect): Likewise.
5172         (expand_builtin_fabs): Likewise.
5173         (expand_builtin_copysign): Likewise.
5174         (expand_builtin_printf): Likewise.
5175         (expand_builtin_fprintf): Likewise.
5176         (expand_builtin_sprintf): Likewise.
5177         (expand_builtin_init_trampoline): Likewise.
5178         (expand_builtin_signbit): Likewise.
5179         (expand_builtin_fork_or_exec): Likewise.
5180         (expand_builtin_sync_operation): Likewise.
5181         (expand_builtin_compare_and_swap): Likewise.
5182         (expand_builtin_lock_test_and_set): Likewise.
5183         (expand_builtin_lock_release): Likewise.
5184         (expand_builtin): Likewise.
5185         (builtin_mathfn_code): Likewise.
5186
5187         (fold_builtin_constant_p): Pass call arguments individually instead
5188         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5189         accessors and constructors.  Return NULL_TREE instead of 0.
5190         (fold_builtin_expect): Likewise.
5191         (fold_builtin_classify_type): Likewise.
5192         (fold_builtin_strlen): Likewise.
5193         (fold_builtin_nan): Likewise.
5194         (integer_valued_real_p): Likewise.
5195         (fold_trunc_transparent_mathfn): Likewise.
5196         (fold_fixed_mathfn): Likewise.
5197         (fold_builtin_cabs): Likewise.
5198         (fold_builtin_sqrt): Likewise.
5199         (fold_builtin_cbrt): Likewise.
5200         (fold_builtin_cos): Likewise.
5201         (fold_builtin_cosh): Likewise.
5202         (fold_builtin_tan): Likewise.
5203         (fold_builtin_sincos): Likewise.
5204         (fold_builtin_cexp): Likewise.
5205         (fold_builtin_trunc): Likewise.
5206         (fold_builtin_floor): Likewise.
5207         (fold_builtin_ceil): Likewise.
5208         (fold_builtin_round): Likewise.
5209         (fold_builtin_int_roundingfn): Likewise.
5210         (fold_builtin_bitop): Likewise.
5211         (fold_builtin_bswap): Likewise.
5212         (fold_builtin_logarithm): Likewise.
5213         (fold_builtin_hypot): Likewise.
5214         (fold_builtin_pow): Likewise.
5215         (fold_builtin_powi): Likewise.
5216         (fold_builtin_exponent): Likewise.
5217         (fold_builtin_memset): Likewise.
5218         (fold_builtin_bzero): Likewise.
5219         (fold_builtin_memory_op): Likewise.
5220         (fold_builtin_bcopy): Deleted; call site changed to invoke
5221         fold_builtin_memory_op directly.
5222         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
5223         (fold_builtin_strncpy): Likewise.
5224         (fold_builtin_memcmp): Likewise.
5225         (fold_builtin_strcmp): Likewise.
5226         (fold_builtin_strncmp): Likewise.
5227         (fold_builtin_signbit): Likewise.
5228         (fold_builtin_copysign): Likewise.
5229         (fold_builtin_isascii): Likewise.
5230         (fold_builtin_toascii): Likewise.
5231         (fold_builtin_isdigit): Likewise.
5232         (fold_builtin_fabs): Likewise.
5233         (fold_builtin_abs): Likewise.
5234         (fold_builtin_fmin_fmax): Likewise.
5235         (fold_builtin_carg): Likewise.
5236         (fold_builtin_classify): Likewise.
5237         (fold_builtin_unordered_cmp): Likewise.
5238
5239         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
5240         New functions split out from fold_builtin_1.
5241         (fold_builtin_n): New.
5242         (fold_builtin_varargs): New.
5243         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
5244         instead.
5245         (fold_call_expr): New.
5246         (build_function_call_expr): Rewrite to use new helper function.
5247         (fold_builtin_call_list): New.
5248         (build_call_expr): New.
5249         (fold_builtin_call_valist): New.
5250         (rewrite_call_expr): New.
5251         (validate_arg): New.
5252         (validate_arglist): Change parameter to be entire CALL_EXPR instead
5253         of an arglist.  Change return type to bool.  Use new CALL_EXPR
5254         accessors.
5255
5256         (fold_builtin_strstr):  Pass call arguments individually instead
5257         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5258         accessors and constructors.  Return NULL_TREE instead of 0.
5259         (fold_builtin_strchr): Likewise.
5260         (fold_builtin_strrchr): Likewise.
5261         (fold_builtin_strpbrk): Likewise.
5262         (fold_builtin_strcat): Likewise.
5263         (fold_builtin_strncat): Likewise.
5264         (fold_builtin_strspn): Likewise.
5265         (fold_builtin_strcspn): Likewise.
5266         (fold_builtin_fputs): Likewise.
5267         (fold_builtin_next_arg): Likewise.
5268         (fold_builtin_sprintf): Likewise.
5269
5270         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
5271         NULL_RTX instead of 0.
5272         (expand_builtin_memory_chk): Likewise.
5273         (maybe_emit_chk_warning): Likewise.
5274         (maybe_emit_sprintf_chk_warning): Likewise.
5275
5276         (fold_builtin_object_size): Pass call arguments individually instead
5277         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
5278         accessors and constructors.  Return NULL_TREE instead of 0.
5279         (fold_builtin_memory_chk): Likewise.
5280         (fold_builtin_stxcpy_chk): Likewise.
5281         (fold_builtin_strncpy_chk): Likewise.
5282         (fold_builtin_strcat_chk): Likewise.
5283         (fold_builtin_strcat_chk): Likewise.
5284         (fold_builtin_strncat_chk): Likewise.
5285         (fold_builtin_sprintf_chk): Likewise.
5286         (fold_builtin_snprintf_chk): Likewise.
5287         (fold_builtin_printf): Likewise.
5288         (fold_builtin_vprintf): Likewise.
5289
5290         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
5291         constructors.
5292         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
5293         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5294         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
5295         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
5296         (fold_unary): Likewise.
5297         (fold_binary): Likewise.
5298         (fold_ternary): Remove CALL_EXPR case, since they are no longer
5299         ternary expressions.
5300         (fold): Add logic for tcc_vl_exp.
5301         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
5302         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5303         (fold_build3_stat): Add assertion to flag broken interface for
5304         constructing CALL_EXPRs.
5305         (fold_build_call_list): New.
5306         (fold_build_call_list_initializer): New.
5307         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
5308         constructors.
5309         (fold_strip_sign_ops): Likewise.
5310
5311 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5312             Brooks Moses  <brooks.moses@codesourcery.com>
5313             Lee Millward  <lee.millward@codesourcery.com>
5314
5315         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
5316         accessors and dump arguments explicitly.
5317
5318         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
5319         TREE_CODE_LENGTH.
5320         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
5321         explicitly.
5322         (print_call_name): Use new CALL_EXPR accessors.
5323
5324         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
5325         CALL_EXPR arguments explicitly instead of as a list.  Use
5326         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5327
5328         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
5329         (vrp_visit_stmt): Likewise.
5330
5331         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
5332         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
5333         TREE_CODE_LENGTH.
5334         (force_move_till_expr): Likewise.
5335
5336         * targhooks.c (default_external_stack_protect_fail): Use
5337         build_call_expr instead of build_function_call_expr.
5338         (default_hidden_stack_protect_fail): Likewise.
5339
5340         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
5341         build the call.
5342
5343         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
5344         and walk arguments explicitly.
5345
5346         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
5347         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5348         (expand_simple_operations): Likewise.
5349         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
5350
5351         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
5352         of TREE_CODE_LENGTH.
5353         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
5354
5355         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
5356         instead of TREE_CODE_LENGTH.
5357
5358         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
5359         (tree_ic_transform): Likewise.
5360         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
5361         parameter instead of arglist.  Fix callers.
5362         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
5363         (tree_stringops_transform): Likewise.
5364         (tree_indirect_call_to_profile): Likewise.
5365         (tree_stringops_values_to_profile): Likewise.
5366
5367         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
5368         (eliminate_tail_call): Likewise.
5369
5370         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
5371
5372         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5373         Use TREE_OPERAND_LENGTH and generalize to handle any number of
5374         operands.
5375         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
5376
5377         * omp-low.c (build_omp_barrier): Use build_call_expr.
5378         (lower_rec_input_clauses): Likewise.
5379         (lower_reduction_clauses): Likewise.
5380         (expand_parallel_call): Likewise.
5381         (maybe_catch_exception): Likewise.
5382         (expand_omp_for_generic): Likewise.
5383         (expand_omp_for_static_nochunk): Likewise.
5384         (expand_omp_sections): Likewise.
5385         (lower_omp_single_simple): Likewise.
5386         (lower_omp_single_copy): Likewise.
5387         (lower_omp_master): Likewise.
5388         (lower_omp_ordered): Likewise.
5389         (lower_omp_critical): Likewise.
5390
5391         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
5392         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
5393
5394         * tree-gimple.c (is_gimple_call_addr): Fix doc.
5395         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
5396         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
5397
5398         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
5399         and generalize to handle any number of operands.
5400         (chrec_contains_undetermined): Likewise.
5401         (tree_contains_chrecs): Likewise.
5402         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
5403
5404         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
5405
5406         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
5407         fold_call_expr instead of fold_builtin.
5408         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
5409         match declarations there.
5410         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
5411         updates.
5412
5413         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
5414         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5415
5416         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
5417         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
5418
5419         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
5420         accessors.
5421
5422         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
5423         (execute_cse_sincos): Use new CALL_EXPR accessors.
5424
5425         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
5426
5427         * gimple-low.c (lower_function_body): Use build_call_expr.
5428         (lower_builtin_setjmp): Likewise.
5429
5430         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
5431         (set_storage_via_libcall): Likewise.
5432         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
5433         instead of TREE_CODE_LENGTH.
5434         (expand_expr_real_1): Use new CALL_EXPR accessors.
5435
5436         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
5437         generalize to handle any number of operands.
5438         (TB_parent_eq): Likewise.
5439
5440         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
5441         (strip_builtin_expect): Likewise.
5442
5443         * function.c (gimplify_parameters): Use build_call_expr.
5444
5445         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
5446         instead of TREE_CODE_LENGTH.
5447
5448         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
5449         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
5450
5451         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
5452         iterators.
5453
5454         * gimplify.c (build_stack_save_restore): Use build_call_expr.
5455         (gimplify_decl_expr): Likewise.
5456         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
5457         Use new CALL_EXPR iterators.
5458         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
5459         (gimplify_modify_expr_to_memset): Likewise.
5460         (gimplify_variable_sized_compare): Likewise.
5461         (gimplify_omp_atomic_fetch_op): Likewise.
5462         (gimplify_omp_atomic_pipeline): Likewise.
5463         (gimplify_omp_atomic_mutex): Likewise.
5464         (gimplify_function_tree): Likewise.
5465
5466         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
5467         (call_expr_flags): Likewise.
5468         (expand_call): Likewise.
5469
5470         * except.c (expand_builtin_eh_return_data_regno): Pass entire
5471         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5472         accessors.
5473
5474         * coverage.c (create_coverage): Use build_call_expr.
5475
5476         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
5477         (temp_call_expr_obstack): New.
5478         (pool_copy_list): Delete.
5479         (temp_copy_call_expr): New.
5480         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
5481         CALL_EXPR accessors.  Get rid of special goo for copying argument
5482         lists and use temp_copy_call_expr instead.
5483         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
5484         CALL_EXPR accessors.
5485         (create_expression_by_pieces): Likewise.  Use build_call_array
5486         to construct the result instead of fold_build3.
5487         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
5488         dealing with argument lists.
5489         (init_pre): Remove references to expression_node_pool and
5490         list_node_pool.  Init temp_call_expr_obstack instead.
5491         (fini_pre): Remove references to expression_node_pool and
5492         list_node_pool.
5493
5494         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
5495         and walk arguments explicitly instead of as a list.
5496
5497         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
5498         (mx_register_decls): Likewise.
5499         (mudflap_register_call): Likewise.
5500         (mudflap_finish_file): Likewise.
5501
5502         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
5503         (ipa_callsite_compute_param): Likewise.
5504
5505         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
5506         accessors and constructor.
5507
5508         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
5509         accessors and constructor.
5510         (convert_tramp_reference): Likewise.
5511         (convert_call_expr): Likewise.
5512         (finalize_nesting_tree_1): Likewise.
5513
5514         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
5515         accessors.
5516
5517         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
5518
5519         * tree-inline.c (initialize_inlined_parameters): Pass entire
5520         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
5521         accessors.
5522         (estimate_num_insns_1): Use new CALL_EXPR accessors.
5523         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
5524
5525         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
5526         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5527         (vectorizable_reduction): Likewise.
5528         (vectorizable_call): Use new CALL_EXPR iterators.
5529         (vectorizable_conversion): Use build_call_expr.
5530         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
5531         (vect_gen_widened_results_half): Use build_call_expr.
5532         (vect_setup_realignment): Likewise.
5533         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
5534
5535         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
5536         (pass_through_call): Likewise.
5537         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
5538         fold_builtin.
5539
5540         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
5541         (tree_gen_pow2_profiler): Likewise.
5542         (tree_gen_one_value_profiler): Likewise.
5543         (tree_gen_ic_func_profiler): Likewise.
5544         (tree_gen_average_profiler): Likewise.
5545         (tree_gen_ior_profiler): Likewise.
5546
5547         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
5548         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
5549         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
5550
5551         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
5552         of TREE_CODE_LENGTH.
5553
5554         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
5555         of TREE_CODE_LENGTH.
5556
5557         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
5558         constructor.
5559         (convert_to_integer): Likewise.
5560
5561         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
5562         accessors.
5563
5564 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5565             Brooks Moses  <brooks.moses@codesourcery.com>
5566             Lee Millward  <lee.millward@codesourcery.com>
5567
5568         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
5569         accessors.
5570         * config/frv/frv.c (frv_expand_builtin): Likewise.
5571         * config/s390/s390.c (s390_expand_builtin): Likewise.
5572
5573         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
5574         (sparc_expand_builtin): Use new CALL_EXPR accessors.
5575
5576         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
5577         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
5578         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
5579         (ix86_expand_store_builtin): Likewise.
5580         (ix86_expand_unop_builtin): Likewise.
5581         (ix86_expand_unop1_builtin): Likewise.
5582         (ix86_expand_sse_compare): Likewise.
5583         (ix86_expand_sse_comi): Likewise.
5584         (ix86_expand_vec_init_builtin): Likewise.
5585         (ix86_expand_vec_ext_builtin): Likewise.
5586         (ix86_expand_vec_set_builtin): Likewise.
5587         (ix86_expand_builtin): Use new CALL_EXPR accessors.
5588
5589         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
5590         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
5591
5592         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
5593         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5594         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
5595
5596         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
5597         build_call_expr.
5598         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
5599         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
5600         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5601         (altivec_expand_abs_builtin): Likewise.
5602         (rs6000_expand_binop_builtin): Likewise.
5603         (altivec_expand_predicate_builtin): Likewise.
5604         (altivec_expand_lv_builtin): Likewise.
5605         (spe_expand_stv_builtin): Likewise.
5606         (altivec_expand_stv_builtin): Likewise.
5607         (rs6000_expand_ternop_builtin): Likewise.
5608         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
5609         (altivec_expand_st_builtin): Likewise.
5610         (altivec_expand_dst_builtin): Likewise.
5611         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
5612         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5613         (altivec_expand_vec_set_builtin): Likewise.
5614         (altivec_expand_vec_ext_builtin): Likewise.
5615         (altivec_expand_builtin): Use new CALL_EXPR accessors.
5616         (spe_expand_builtin): Likewise.
5617         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
5618         arglist.  Use new CALL_EXPR accessors.  Fix callers.
5619         (spe_expand_evsel_builtin): Likewise.
5620         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
5621         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
5622
5623         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
5624         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5625         (arm_expand_unop_builtin): Likewise.
5626         (arm_expand_builtin): Use new CALL_EXPR accessors.
5627
5628         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
5629         accessors.
5630
5631         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
5632         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
5633         (bfin_expand_unop_builtin): Likewise.
5634         (bfin_expand_builtin): Use new CALL_EXPR accessors.
5635
5636 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
5637             Brooks Moses  <brooks.moses@codesourcery.com>
5638             Lee Millward  <lee.millward@codesourcery.com>
5639
5640         * c-semantics.c (build_stmt): Add internal diagnostic check.
5641
5642         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
5643         accessors.  Print arguments explicitly instead of as a list.
5644
5645         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
5646
5647         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
5648         (c_finish_omp_flish): Likewise.
5649
5650         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
5651         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
5652         instead of TREE_CODE_LENGTH.
5653         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
5654         (c_warn_unused_result): Likewise.
5655
5656 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5657
5658         PR c/26494
5659         * doc/invoke.texi (Warning Options): Remove
5660         -Werror-implicit-function-declaration.
5661         (Wimplicit-function-declaration): Update description.
5662         * opts.c (common_handle_option): Move handling of -Werror=* to...
5663         (enable_warning_as_error): ...here.
5664         * opts.h (enable_warning_as_error): Declare.
5665         * c-decl.c (implicit_decl_warning): Unless
5666         -Wno-implicit-function-declaration is given, emit a pedwarn if
5667         -std=c99 or emit a warning if -Wimplicit-function-declaration.
5668         * c.opt (Wimplicit-function-declaration): Replace
5669         mesg_implicit_function_declaration with
5670         warn_implicit_function_declaration.
5671         * c-opts.c (c_common_handle_option):
5672         -Werror-implicit-function-declaration is exactly equal as
5673         -Werror=implicit-function-declaration.
5674         (set_Wimplicit): Replace mesg_implicit_function_declaration with
5675         warn_implicit_function_declaration.
5676         (c_common_post_options): -Wimplict-function-declaration is enabled
5677         by default by -std=c99, otherwise is disabled by default.
5678         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
5679
5680 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5681
5682         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
5683         DECL on the rhs to a DECL on the lhs for debug info purposes if the
5684         former is ignored but not the latter.
5685
5686 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
5687
5688         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
5689         is made and the reference doesn't use the alias set of its type,
5690         do not create the temporary using that type.
5691
5692 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
5693
5694         * jump.c: Remove prototypes for delete_computation and
5695         delete_prior_computation.
5696
5697 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5698
5699         * jump.c (get_label_after): Delete.
5700         (get_label_before, delete_computation, delete_jump,
5701         delete_prior_computation, follow_jumps): Move...
5702         * reorg.c (delete_computation, delete_prior_computation): ... here...
5703         (get_label_before, delete_jump): ... making these static ...
5704         (follow_jumps): ... and simplifying this since it only runs after
5705         reload.
5706         * rtl.h (get_label_after, get_label_before, delete_jump,
5707         follow_jumps): Delete prototypes.
5708
5709 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
5710
5711         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
5712
5713 2007-02-15  Nick Clifton  <nickc@redhat.com>
5714
5715         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
5716         order to prevent it from being munged by the target.
5717
5718 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
5719
5720         * config/i386/i386.md: Remove misleading comment.
5721
5722 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5723
5724         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
5725         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
5726         invalid patterns.
5727
5728 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5729
5730         * tree-sra.c (instantiate_missing_elements): Canonicalize
5731         bit-field types.
5732         (sra_build_assignment): New.
5733         (generate_copy_inout, generate_element_copy,
5734         generate_element_zero, generate_one_element_init): Use it.
5735
5736 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5737
5738         * tree-sra.c (instantiate_missing_elements): Canonicalize
5739         bit-field types.
5740         (sra_build_assignment): New.
5741         (generate_copy_inout, generate_element_copy,
5742         generate_element_zero, generate_one_element_init): Use it.
5743
5744 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
5745
5746         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
5747         limbo die nodes.
5748
5749 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
5750
5751         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
5752         types as aggregates not scalars.
5753         * function.c (assign_stack_temp_for_type): Likewise.
5754
5755 2007-02-14  Roger Sayle  <roger@eyesopen.com>
5756             Zdenek Dvorak  <dvorakz@suse.cz>
5757
5758         * tree-dump.c (dump_switch_p_1): Require exact match of the option
5759         name.
5760
5761 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
5762
5763         * passes.c (next_pass_1): Clear the next field of the copied
5764         pass structure.
5765
5766 2007-02-14  Richard Henderson  <rth@redhat.com>
5767
5768         * tree-sra.c (early_sra): New.
5769         (decl_can_be_decomposed_p): Deny va_list if early_sra.
5770         (tree_sra_early, pass_sra_early): New.
5771         * tree-pass.h (pass_sra_early): Declare.
5772         * passes.c (init_optimization_passes): Use it.
5773
5774 2007-02-14  Richard Guenther  <rguenther@suse.de>
5775
5776         * flags.h (issue_strict_overflow_warning): Convert to a macro.
5777
5778 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
5779
5780          PR tree-optimization/30771
5781         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
5782         also phi nodes.
5783         (vect_analyze_operations): Induction phis can now be marked as
5784         used_in_loop.
5785         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
5786         Update documentation accordingly.
5787
5788 2007-02-14  Nick Clifton  <nickc@redhat.com>
5789
5790         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
5791         most 3 arguments are supported.
5792         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
5793
5794 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
5795
5796         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
5797         Ensure dst->current is valid.
5798
5799 2007-02-13  Paul Brook  <paul@codesourcery.com>
5800
5801         * config.gcc: Add arm*-*-uclinux-*eabi.
5802         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
5803         (SUBTARGET_EXTRA_LINK_SPEC): Define.
5804         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
5805         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
5806         (LINK_SPEC): Define.
5807         (LIB_SPEC): Define.
5808         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
5809         register.
5810         * config/arm/uclinux-eabi.h: New file.
5811         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
5812         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
5813         based targets.
5814
5815 2007-02-13  Ian Lance Taylor  <iant@google.com>
5816
5817         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
5818         * flags.h (warn_strict_overflow): Declare.
5819         (enum warn_strict_overflow_code): Define.
5820         (issue_strict_overflow_warning): New static inline function.
5821         * opts.c (warn_strict_overflow): New variable.
5822         (common_handle_option): Handle OPT_Wstrict_overflow and
5823         OPT_Wstrict_overflow_.
5824         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
5825         OPT_Wall.
5826         * fold-const.c: Include intl.h.
5827         (fold_deferring_overflow_warnings): New static variable.
5828         (fold_deferred_overflow_warning): New static variable.
5829         (fold_deferred_overflow_code): New static variable.
5830         (fold_defer_overflow_warnings): New function.
5831         (fold_undefer_overflow_warnings): New function.
5832         (fold_undefer_and_ignore_overflow_warnings): New function.
5833         (fold_deferring_overflow_warnings_p): New function.
5834         (fold_overflow_warning): New static function.
5835         (make_range): Add strict_overflow_p parameter.  Change all
5836         callers.
5837         (extract_muldiv, extract_muldiv_1): Likewise.
5838         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
5839         tree_expr_nonnegative_p.
5840         (fold_negate_expr): Call fold_overflow_warning.
5841         (fold_range_test): Likewise.
5842         (fold_comparison): Likewise.
5843         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
5844         instead of tree_expr_nonnegative_p.
5845         (tree_expr_nonnegative_warnv_p): Rename from
5846         tree_expr_nonnegative_p, add strict_overflow_p parameter.
5847         (tree_expr_nonnegative_p): New function.
5848         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
5849         strict_overflow_p parameter.
5850         (tree_expr_nonzero_p): New function.
5851         * passes.c (verify_interpass_invariants): New static function.
5852         (execute_one_pass): Call it.
5853         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
5854         warnings.
5855         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
5856         (estimate_numbers_of_iterations): Likewise.
5857         (scev_probably_wraps_p): Likewise.
5858         * tree-ssa-ccp.c: Include "toplev.h".
5859         (evaluate_stmt): Defer fold overflow warnings until we know we are
5860         going to optimize.
5861         (struct fold_stmt_r_data): Add stmt field.
5862         (fold_stmt_r): Defer fold overflow warnings until we know we
5863         optimized.
5864         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
5865         (fold_stmt_inplace): Likewise.
5866         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
5867         (cleanup_control_expr_graph): Defer fold overflow warnings until
5868         we know we are going to optimize.
5869         * tree-cfg.c (fold_cond_expr_cond): Likewise.
5870         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
5871         Likewise.
5872         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
5873         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
5874         * tree-ssa-loop-manip.c (create_iv): Likewise.
5875         * c-typeck.c (build_conditional_expr): Likewise.
5876         (build_binary_op): Likewise.
5877         * tree-vrp.c (vrp_expr_computes_nonzero): Call
5878         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
5879         (extract_range_from_unary_expr): Likewise.
5880         * simplify-rtx.c (simplify_const_relational_operation): Warn when
5881         assuming that signed overflow does not occur.
5882         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
5883         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
5884         (fold_defer_overflow_warnings): Declare.
5885         (fold_undefer_overflow_warnings): Declare.
5886         (fold_undefer_and_ignore_overflow_warnings): Declare.
5887         (fold_deferring_overflow_warnings_p): Declare.
5888         (tree_expr_nonzero_warnv_p): Declare.
5889         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
5890         of warning options.
5891         (Warning Options): Document -Wstrict-overflow.
5892         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
5893         (tree-ssa-ccp.o): Likewise.
5894         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
5895         (fold-const.o): Depend on intl.h.
5896
5897 2007-02-13  Ian Lance Taylor  <iant@google.com>
5898
5899         PR middle-end/30751
5900         * lower-subreg.c (resolve_simple_move): Decompose subregs in
5901         addresses.
5902
5903 2007-02-13  Stuart Hastings  <stuart@apple.com>
5904
5905         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
5906
5907 2007-02-13  Richard Henderson  <rth@redhat.com>
5908
5909         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
5910         handled_component_p before looking for the indirect_ref.
5911
5912 2007-02-13  Richard Henderson  <rth@redhat.com>
5913
5914         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
5915         remove flags clobber.
5916         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
5917         (bswaphi_lowpart): New.
5918         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
5919         remove TARGET_BSWAP test.  Delete expander of the same name.
5920
5921         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
5922         (expand_unop): Use them.
5923
5924 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
5925
5926         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
5927         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
5928         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
5929         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
5930         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
5931         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
5932         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
5933         assembler dialect choice from asm templates.
5934
5935 2007-02-12  Richard Henderson  <rth@redhat.com>
5936
5937         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
5938         (fixuns_trunc<SSEMODEF>si2): Use it.
5939         * config/i386/sse.md (vec_setv4sf_0): Export.
5940         * config/i386/i386.c (ix86_build_const_vector): Export.
5941         (ix86_split_convert_uns_si_sse): Rename from
5942         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
5943         * config/i386/i386-protos.h: Update.
5944
5945 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5946
5947         PR c/29521
5948         * c-typeck.c (c_finish_return): Improve warning message.
5949
5950 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5951
5952         * alias.c (find_symbolic_term): Delete unused function.
5953
5954 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
5955
5956         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
5957         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
5958         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
5959
5960 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5961
5962         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
5963         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
5964         the function, temporarily point the debug interface to the null one.
5965
5966 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
5967
5968         * dwarf2out.c (round_up_to_align): New static function.
5969         (field_byte_offset): Use it to round the offset.
5970
5971 2007-02-12  Richard Henderson  <rth@redhat.com>
5972
5973         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
5974         (inswl_const): Export.
5975
5976 2007-02-12  Richard Henderson  <rth@redhat.com>
5977
5978         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
5979         result mode of the libcall, convert back to outmode.
5980
5981 2007-02-12  Roger Sayle  <roger@eyesopen.com>
5982
5983         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
5984         (bswapdi2): New define_expand to implement 32-bit implementation.
5985
5986 2007-02-12  Nick Clifton  <nickc@redhat.com>
5987
5988         * doc/invoke.texi (Overall Options): Document --help=.
5989         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
5990         (cc1_options): Pass --help= on to cc1.
5991         (display_help): Add description of --help=.
5992         (process_command): Add code to handle --help=.  Allow translated
5993         --help and --target-help switches to be passed on to compiler
5994         sub-process.
5995         (main): Remove unused if statement.
5996         * opts.c (columns): Remove.
5997         (LEFT_COLUMN): Define.
5998         (wrap_help): Add columns argument.
5999         (print_filtered_help): Change parameters to be an include bitmask,
6000         an exclude bitmask, an any bitmask and the column width.  Move the
6001         code to display the params list here.  Add code to display the
6002         status of options rather than their descriptions if the quiet flag
6003         is not active.
6004         (print_specific_help): Change parameters to be an include bitmask,
6005         an exclude bitmask and an any bitmask.  Move code to look up the
6006         column width here.  Decide upon the title for an options listing.
6007         (common_handle_options): Add code to handle --help=.  Adapt code
6008         for --help and --target-help to use the revised form of the
6009         print_specific_help function.
6010         (print_help): Delete.
6011         (print_param_help): Delete.
6012         (print_switch): Delete.
6013         * opts.h (cl_lang_count): Add prototype.
6014         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
6015         CL_MAX_OPTION_CLASS): New defines.
6016         * optc-gen.awk: Add construction of cl_lang_count.
6017         * c.opt: Add Warning attribute to warning options and Optimization
6018         attribute to optimization options.
6019         * common.opt: Likewise.
6020         Add --help=.
6021         Add -fhelp and -ftarget-help as aliases for the transformed --help
6022         and --target-help options.
6023         * opt-functions.awk: Add code to handle Warning and Optimization
6024         attributes.
6025
6026 2007-02-12  Richard Henderson  <rth@redhat.com>
6027
6028         * config/alpha/constraints.md: New file.
6029         * config/alpha/alpha.c: Include tm-constrs.h.
6030         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
6031         alpha_extra_constraint): Remove.
6032         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
6033         * config/alpha/alpha-protos.h: Update.
6034         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
6035         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
6036         (EXTRA_CONSTRAINT): Remove.
6037         * config/alpha/alpha.md: Include constraints.md.
6038         (adddi splitter): Use satisfies_constraint_*.
6039         * config/alpha/predicates.md (add_operand): Likewise.
6040         (sext_add_operand, addition_operation): Likewise.
6041
6042 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
6043
6044         PR tree-optimization/29145
6045         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
6046         in our handling of restrict qualified pointers.
6047
6048 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6049
6050         PR middle-end/7651
6051         * doc/invoke.texi (Wunused-value): Update description.
6052         (Wextra): Delete item.
6053         * opts.c (set_Wextra): Don't use the value of Wextra to set the
6054         value of Wunused-value.
6055         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
6056         (c_finish_stmt_expr): Don't check extra_warnings.
6057         (emit_side_effect_warnings): The caller is responsible to check
6058         warn_unused_value.
6059
6060 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6061             Matt Thomas  <matt@3am-software.com>
6062
6063         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
6064
6065 2007-02-11  Roger Sayle  <roger@eyesopen.com>
6066
6067         * simplify-rtx.c (simplify_relational_operation_1): Optimize
6068         comparisons of POPCOUNT against zero.
6069         (simplify_const_relational_operation): Likewise.
6070
6071 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6072
6073         * doc/invoke.texi (Wextra): Delete outdated paragraph.
6074
6075 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6076
6077         * dwarf2out.c (root_type): Delete unused function.
6078
6079 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6080
6081         * genattrtab.c (contained_in_p): Delete unused function.
6082         (write_expr_attr_cache): Likewise.
6083
6084 2007-02-11  Jan Hubicka  <jh@suse.cz>
6085
6086         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
6087         previous patch.
6088
6089 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
6090
6091         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
6092         to add the REG_EQ* note.
6093         * see.c (see_merge_one_use_extension): Likewise.
6094         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
6095         turn REG_EQUAL notes into REG_EQUIV notes if the target
6096         register may have more than one set.
6097         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
6098         * gcse.c (try_replace_reg): Likewise.
6099         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
6100         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
6101         more than one REG_EQUIV note.
6102         * reload1.c (gen_reload): Use set_unique_reg_note.
6103
6104 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
6105
6106         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
6107         (ix86_builtin_conversion): New function.
6108
6109 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
6110
6111         PR target/29487
6112         * tree.h (DECL_REPLACEABLE_P): New macro.
6113         * except.c (set_nothrow_function_flags): Likewise.
6114
6115 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
6116             Ira Rosen  <irar@il.ibm.com>
6117             Dorit Nuzman  <dorit@il.ibm.com>
6118
6119         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
6120         * targhooks.c (default_builtin_vectorized_conversion): New.
6121         * targhooks.h (default_builtin_vectorized_function): New declaration.
6122         * target.h (struct vectorize): Add builtin_conversion field.
6123         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
6124         stmt_vec_info_type value.
6125         (vectorizable_conversion): New declaration.
6126         * tree-vect-analyze.c (vect_analyze_operations): Add
6127         vectorizable_conversion call.
6128         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
6129         * tree-vect-transform.c (vectorizable_conversion): New function.
6130         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
6131         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
6132         mode.
6133         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
6134         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
6135         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
6136         or ALTIVEC_BUILTIN_VCFSX.
6137
6138 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6139
6140         PR target/30634
6141         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
6142         CONST_DOUBLE and operand 0 is a hard register.
6143         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
6144         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
6145         is a hard floating-point register.
6146
6147 2007-02-10  Richard Henderson  <rth@redhat.com>
6148             Jakub Jelinek  <jakub@redhat.com>
6149             Alexandre Oliva  <aoliva@redhat.com>
6150
6151         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
6152         * builtin-types.def (BT_WORD): Make unsigned.
6153         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6154         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6155         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6156         * c-decl.c (grokdeclarator): Don't error if !have_tls.
6157         * c-parser.c (c_parser_omp_threadprivate): Likewise.
6158         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6159         emulated tls.
6160         * expr.c (emutls_var_address): New.
6161         (expand_expr_real_1): Expand emulated tls.
6162         (expand_expr_addr_expr_1): Likewise.
6163         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6164         * output.h (emutls_finish): Declare.
6165         * toplev.c (compile_file): Call it.
6166         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6167         address before wrapping in CONST.
6168         * varasm.c (emutls_htab, emutls_object_type): New.
6169         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6170         (get_emutls_object_name, get_emutls_object_type): New.
6171         (get_emutls_init_templ_addr, emutls_decl): New.
6172         (emutls_common_1, emutls_finish): New.
6173         (assemble_variable): When emulating tls, swap decls; generate
6174         constructor for the emutls objects.
6175         (do_assemble_alias): When emulating tls, swap decl and target name.
6176         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6177         for emulated tls.
6178         * varpool.c (decide_is_variable_needed): Look at force_output.
6179         Recurse for emulated tls.
6180         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
6181         with decide_is_variable_needed.
6182         * emutls.c: New file.
6183         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6184         tls_object for real tls.
6185
6186 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6187
6188         PR rtl-optimization/29599
6189         * reload1.c (eliminate_regs_in_insn): Take the destination
6190         mode into account when computing the offset.
6191
6192 2007-02-09  Stuart Hastings  <stuart@apple.com>
6193             Richard Henderson  <rth@redhat.com>
6194
6195         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6196         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
6197         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
6198         fixuns_truncdfhi2): New.
6199         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
6200         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
6201         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
6202         (floatunssidf2): Allow nonimmediate source.
6203         * gcc/config/i386/sse.md (movdi_to_sse): New.
6204         (vec_concatv2di): Drop '*'.
6205         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
6206         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6207         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
6208         New.
6209         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
6210         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
6211         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
6212         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
6213         (ix86_build_signbit_mask): Fix decl of v, refactor to call
6214         ix86_build_const_vector.
6215         (x86_emit_floatuns): Rewrite.
6216
6217 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6218
6219         * genautomata.c (longest_path_length): Delete unused function.
6220         (struct state): Delete unused longest_path_length.
6221         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
6222         (get_free_state): Delete unused.
6223
6224 2007-02-09  Jan Hubicka  <jh@suse.cz>
6225
6226         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
6227         * doc/invoke.texi (inline-unit-growth): Update default value.
6228
6229         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
6230         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
6231         (rebuild_cgraph_edges): Likewise.
6232         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
6233         (dump_cgraph_node): Dump frequencies.
6234         (cgraph_clone_edge): Add frequency scales.
6235         (cgraph_clone_node): Add freuqnecy.
6236         * cgraph.h (cgraph_edge): Add freuqnecy argument.
6237         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
6238         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
6239         * tree-pass.h (TODO_rebuild_frequencies): New constant.
6240         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
6241         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
6242         (save_inline_function_body): Likewise.
6243         * ipa-inline.c: inluce rtl.h
6244         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
6245         (cgraph_edge_badness): Use frequencies.
6246         (cgraph_decide_recursive_inlining): Update clonning.
6247         (cgraph_decide_inlining_of_small_function): Dump frequency.
6248         * predict.c (estimate_bb_frequencies): Export.
6249         * predict.h (estimate_bb_frequencies): Declare.
6250         * tree-inline.c (copy_bb): Watch overflows.
6251         (expand_call_inline): Update call of cgraph_create_edge.
6252         (optimize_inline_calls): Use TODO flags to update frequnecies.
6253         * passes.h: Include predict.h
6254         (init_optimization_passes): Move profile ahead.
6255         (execute_function_todo): Handle TODO_rebuild_frequencies.
6256
6257 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6258
6259         * config/alpha/alpha.c (emit_insxl): Force the first operand of
6260         the insbl or inswl pattern into a register.
6261
6262 2007-02-09  Roger Sayle  <roger@eyesopen.com>
6263
6264         * config/ia64/ia64.md (bswapdi2): New define_insn.
6265
6266 2007-02-09  Richard Henderson  <rth@redhat.com>
6267
6268         * config/i386/constraints.md (Ym): New constraint.
6269         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
6270         (movdi_1_rex64): Split sse and xmm general register moves from
6271         memory move alternatives.  Use conditional register constraints.
6272         (movsf_1, movdf_integer): Likewise.
6273         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6274         (movdf_integer_rex64): New.
6275         (pushsf_rex64): Fix output constraints.
6276         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
6277         (sse2_stored): Likewise.
6278         (sse2_storeq_rex64): New.
6279         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
6280         amd and not generic.
6281         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
6282         for optimize_size.  Remove SF/DFmode hack.
6283
6284 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
6285
6286         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
6287         (bit_SSE4a): New.
6288
6289 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
6290             Richard Sandiford  <richard@codesourcery.com>
6291
6292         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
6293         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
6294         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
6295         m68k/t-mlib to tmake_file.
6296         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
6297         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
6298         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
6299         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
6300         variable is not empty, add t-$m68k_arch_family to tmake_file.
6301         Add t-mlibs to tmake_file.
6302         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
6303         * config/m68k/t-cf: New file.
6304         * config/m68k/t-m68k: Likewise.
6305         * config/m68k/t-mlibs: Likewise.
6306         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6307         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6308         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6309         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6310         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
6311         Delete.
6312         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
6313         (INSTALL_LIBGCC): Delete.
6314         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
6315         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6316         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6317         (M68K_MLIB_CPU): Define.
6318         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
6319         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
6320         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
6321
6322 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
6323             Richard Guenther  <rguenther@suse.de>
6324
6325         PR middle-end/23361
6326         * fold-const.c (fold_comparison): Handle obfuscated comparisons
6327         against INT_MIN/INT_MAX.
6328         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
6329         file if a loop is removed.
6330
6331 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
6332
6333         * calls.c (store_one_arg): Pass correct alignment to
6334         emit_push_insn for non-BLKmode values.
6335         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
6336         unaligned stack slot via a suitably aligned slot.
6337
6338 2007-02-08  DJ Delorie  <dj@redhat.com>
6339
6340         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
6341         warnings.
6342         (legal_subregs): Use unsigned char, make const.
6343         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
6344
6345 2007-02-08  Paul Brook  <paul@codesourcery.com>
6346
6347         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
6348         special interworking needed.
6349
6350 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
6351
6352         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
6353         conditional to __SSE2__.
6354         (Entries below should have been added to first ChangeLog
6355         entry for amdfam10 dated 2007-02-05)
6356         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
6357         defined.
6358         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
6359         defined.
6360         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
6361         defined.
6362
6363 2007-02-08  DJ Delorie  <dj@redhat.com>
6364
6365         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
6366         * config/m32c/m32c.c (legal_subregs): New.
6367         (m32c_illegal_subreg_p): New.
6368         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
6369         unsupported subregs of hard regs.
6370
6371 2007-02-08  Jan Hubicka  <jh@suse.cz>
6372
6373         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
6374         the same one; always update histograms.
6375
6376 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6377
6378         * passes.c (init_optimization_passes): Tidy comment.
6379
6380 2007-02-08  Roger Sayle  <roger@eyesopen.com>
6381
6382         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
6383         strip zero_extend, bswap and rotates from POCOUNT's argument.
6384         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
6385         zero_extend and rotates from PARITY's argument.
6386         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
6387         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
6388         of an integer constant at compile-time.
6389
6390 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
6391
6392         PR 30562
6393         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
6394         Update all users.
6395         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
6396         users.
6397         (init_alias_info):
6398         * tree-ssa-live.c (remove_unused_locals): Do not remove
6399         TREE_ADDRESSABLE variables.
6400         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
6401         * tree-ssa-operands.c (add_virtual_operand): Remove argument
6402         FOR_CLOBBER.  Update all users.
6403         If VAR has an associated alias set, add a virtual operand for
6404         it if no alias is found to conflict with the memory reference.
6405
6406 2007-02-07  Jan Hubicka  <jh@suse.cz>
6407             Robert Kidd <rkidd@crhc.uiuc.edu>
6408
6409         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
6410
6411 2007-02-07  Ian Lance Taylor  <iant@google.com>
6412
6413         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
6414
6415 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6416
6417         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
6418         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
6419         tablejumpdi, movsi_to_cr_one): Remove constraints from
6420         define_expand's match_operands.
6421
6422 2007-02-07  Roger Sayle  <roger@eyesopen.com>
6423
6424         * global.c (compute_regsets): Move declatation of "i" inside of
6425         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
6426
6427 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
6428
6429         PR c++/30703
6430         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
6431         of INDIRECT_REF <RESULT_DECL>.
6432
6433         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
6434
6435 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
6436             Kaz Kojima  <kkojima@gcc.gnu.org>
6437
6438         PR target/29746
6439         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
6440         properly.
6441         (sh_initialize_trampoline): Add parentheses to avoid a warning.
6442
6443 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
6444
6445         * doc/loop.texi: Document possibility not to perform disambiguation
6446         of loops with multiple latches.
6447         * cfgloopmanip.c (alp_enum_p): Removed.
6448         (add_loop): Handle subloops.  Use get_loop_body_with_size.
6449         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
6450         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
6451         the new forwarder block.
6452         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
6453         Handle the case latch is NULL.
6454         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
6455         when marking loop exits.
6456         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
6457         be modified.
6458         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
6459         disambiguate_loops_with_multiple_latches.
6460         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
6461         before fix_loop_structure.
6462         * cfgloop.c: Include pointer-set.h and output.h.
6463         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
6464         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
6465         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
6466         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
6467         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
6468         disambiguate_multiple_latches, get_loop_body_with_size,
6469         disambiguate_loops_with_multiple_latches): New functions.
6470         (flow_loop_dump): Dump multiple latch edges.
6471         (flow_loop_nodes_find): Handle loops with multiple latches.
6472         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
6473         (glb_enum_p): Modified.
6474         (get_loop_body): Use get_loop_body_with_size.
6475         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
6476         (AVOID_CFG_MODIFICATIONS): New constant.
6477         (disambiguate_loops_with_multiple_latches, add_loop,
6478         get_loop_body_with_size): Declare.
6479         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
6480
6481 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
6482
6483         PR inline-asm/28686
6484         * global.c (compute_regsets): New function.
6485         (global_alloc): Refactored ELIMINABLE_REGSET
6486         and NO_GLOBAL_ALLOC_REGS computation out.
6487         (rest_of_handle_global_alloc): Call compute_regsets()
6488         for non-optimizing case.
6489
6490 2007-02-06  Richard Henderson  <rth@redhat.com>
6491
6492         * config/i386/constraints.md (Y2): Rename from Y.
6493         (Yi): New constraint.
6494         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
6495         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
6496         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
6497         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
6498         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
6499         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
6500         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
6501         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
6502         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
6503         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
6504         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
6505         vec_extractv2si_1): Change Y constraints to Y2.
6506         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
6507         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
6508         Change Y constraints to Y2.
6509         (sse2_loadld): Change Y constraints to x.
6510
6511 2007-02-06  Roger Sayle  <roger@eyesopen.com>
6512
6513         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
6514         (parity<mode>2): New define_expand using rs6000_emit_parity.
6515         * config/rs6000/rs6000.c (rs6000_emit_popcount,
6516         rs6000_emit_parity): New functions.
6517         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
6518         rs6000_emit_parity): Prototype here.
6519
6520 2007-02-06  Ian Lance Taylor  <iant@google.com>
6521
6522         * lower-subreg.c (simple_move_operand): Reject CONST.
6523         (resolve_clobber): Call validate_change rather than directly
6524         assigning to XEXP (pat, 0).
6525
6526 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6527
6528         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
6529         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
6530         (tree-cfg.o): Remove hashtab.h dependency.
6531
6532         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
6533         (struct ivopts_data): Change niters to pointer_map_t.
6534         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
6535         (niter_for_exit): Create pointer_map on demand.  Change for
6536         pointer_map API.
6537         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
6538         (free_loop_data): Destroy data->niters if created and reset field.
6539         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
6540         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
6541
6542         * tree-ssa-reassoc.c: Include pointer-set.h.
6543         (bb_rank): Change to long *.
6544         (operand_rank): Change to pointer_map_t.
6545         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
6546         (insert_operand_rank): Accept long.
6547         (operand_entry_hash, operand_entry_eq): Remove.
6548         (get_rank): Return long.  Adjust for changes above.
6549         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
6550         and operand_rank.
6551         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
6552
6553         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
6554         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
6555         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
6556         is not NULL.
6557         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
6558         directly since it cannot be NULL.
6559         (get_vi_for_tree): Rewrite for pointer_map API.
6560         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
6561         (init_alias_vars): Create vi_for_tree as pointer_map.
6562         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
6563
6564         * tree-cfg.c: Don't include hashtab.h.
6565         (edge_to_cases): Declare as pointer_map.
6566         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
6567         Delete.
6568         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
6569         (start_recording_case_labels): Create edge_to_cases as pointer_map.
6570         (end_recoding_case_labels): Cleanup edge_to_cases manually before
6571         destroying it.
6572         (record_switch_edge): Delete.
6573         (get_cases_for_edge): Adjust for pointer_map API, inline
6574         record_switch_edge (rewritten for new API), remove goto.
6575
6576 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
6577
6578         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
6579         * tree-nested.c: Include pointer-set.h.
6580         (var_map_elt, var_map_eq, var_map_hash): Delete.
6581         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
6582         to pointer_map_t's.
6583         (nesting_info_bitmap_obstack): New.
6584         (lookup_field_for_decl): Adjust for pointer_map API.
6585         (lookup_tramp_for_decl): Adjust for pointer_map API.
6586         (get_nonlocal_debug_decl): Adjust for pointer_map API.
6587         (get_local_debug_decl): Adjust for pointer_map API.
6588         (convert_nl_goto_reference): Adjust for pointer_map API.
6589         (convert_nl_goto_receiver): Adjust for pointer_map API.
6590         (create_nesting_tree): Create outside GGC space.  Create bitmap on
6591         the new obstack.  Create field_map and var_map as pointer_maps.
6592         (free_nesting_tree): Adjust for changes to create_nesting_tree.
6593         (root): Delete.
6594         (lower_nested_functions): Move root here, no need to NULL it.
6595         Initialize and release the obstack.
6596
6597 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
6598
6599         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
6600         Remove prototypes and make them non-static.
6601         (struct tree_int_map): Remove.
6602         * tree.h (struct tree_int_map): Move here, turning TO into an
6603         unsigned int.
6604         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
6605
6606         * tree.h (TREE_COMPLEXITY): Remove.
6607         (struct tree_exp): Remove complexity field.
6608         * tree.c (build1_stat): Don't set it.
6609
6610 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
6611             Victor Kaplansky  <victork@il.ibm.com>
6612
6613         * tree-vectorizer.c (vect_is_simple_use): Support induction.
6614         (vect_is_simple_reduction): Support reduction with induction as
6615         one of the operands.
6616         (vect_is_simple_iv_evolution): Fix formatting.
6617         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
6618         formatting.  Don't mark induction phis for vectorization.
6619         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
6620         * tree-vect-transform.c (get_initial_def_for_induction): New function.
6621         (vect_get_vec_def_for_operand): Support induction.
6622         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
6623         induction case.
6624         (vectorizable_reduction): Support reduction with induction as one of
6625         the operands.
6626         (vectorizable_type_demotion): Use def-type of stmt argument rather
6627         than dummy def-type.
6628
6629         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
6630         flag_tree_scev_cprop.
6631         * common.opt (tree-scev-cprop): New flag.
6632
6633         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
6634         call to vect_get_new_vect_var.
6635
6636 2007-02-06  Ira Rosen  <irar@il.ibm.com>
6637
6638         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
6639         vectype is not NULL.
6640         (vect_pattern_recog_1): Likewise.
6641
6642 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6643
6644         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
6645         (fold_negate_expr): Likewise.
6646
6647 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
6648
6649         PR debug/30189
6650         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
6651         even if cv-qualification is the same.
6652
6653 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
6654
6655         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
6656         __enable_execute_stack on completion.
6657
6658 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6659
6660         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
6661         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
6662         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
6663         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
6664         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
6665         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
6666         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
6667         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
6668
6669 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6670
6671         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
6672         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
6673         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
6674         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
6675         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
6676         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
6677         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
6678         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
6679         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
6680         umuldi3_highpart_rex64, umulsi3_highpart_insn,
6681         umulsi3_highpart_zext, smuldi3_highpart_rex64,
6682         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
6683         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
6684         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
6685         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
6686         sqrtextenddfxf2_i387): Added amdfam10_decode.
6687
6688         * config/i386/athlon.md (athlon_idirect_amdfam10,
6689         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
6690         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
6691         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
6692         athlon_ivector_store_amdfam10): New define_insn_reservation.
6693         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
6694         amdfam10.
6695
6696 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6697
6698         * config/i386/athlon.md (athlon_call_amdfam10,
6699         athlon_pop_amdfam10, athlon_lea_amdfam10): New
6700         define_insn_reservation.
6701         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
6702         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
6703         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
6704
6705 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6706
6707         * config/i386/athlon.md (athlon_sseld_amdfam10,
6708         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
6709         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
6710
6711 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6712
6713         * config/i386/athlon.md (athlon_sseins_amdfam10): New
6714         define_insn_reservation.
6715         * config/i386/i386.md (sseins): Added sseins to define_attr type
6716         and define_attr unit.
6717         * config/i386/sse.md: Set type attribute to sseins for insertq
6718         and insertqi.
6719
6720 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6721
6722         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
6723         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
6724         ssecomi_load_amdfam10, ssecomi_amdfam10,
6725         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
6726         define_insn_reservation.
6727         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
6728
6729 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6730
6731         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
6732         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
6733         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
6734         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
6735         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
6736         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
6737         define_insn_reservation.
6738
6739         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
6740         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
6741         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
6742         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
6743         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
6744
6745 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6746
6747         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
6748         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
6749         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
6750         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
6751         athlon_ssemul_load_k8): Added amdfam10.
6752
6753 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6754
6755         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
6756         (x86_sse_unaligned_move_optimal): New variable.
6757
6758         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
6759         m_AMDFAM10.
6760         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
6761         for unaligned vector SSE double/single precision loads for AMDFAM10.
6762
6763 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6764
6765         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
6766         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
6767         Define TARGET_CPU_DEFAULT_amdfam10.
6768         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
6769         (processor_type): Add PROCESSOR_AMDFAM10.
6770
6771         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
6772         processor_type in config/i386/i386.h.
6773         Enable imul peepholes for TARGET_AMDFAM10.
6774
6775         * config.gcc: Add support for --with-cpu option for amdfam10.
6776
6777         * config/i386/i386.c (amdfam10_cost): New variable.
6778         (m_AMDFAM10): New macro.
6779         (m_ATHLON_K8_AMDFAM10): New macro.
6780         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
6781         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
6782         x86_promote_QImode, x86_integer_DFmode_moves,
6783         x86_partial_reg_dependency, x86_memory_mismatch_stall,
6784         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
6785         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
6786         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
6787         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
6788         Enable/disable for amdfam10.
6789         (override_options): Add amdfam10_cost to processor_target_table.
6790         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
6791         processor_alias_table.
6792         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
6793         (ix86_adjust_cost): Add code for amdfam10.
6794
6795 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
6796
6797         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
6798         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
6799         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
6800         * config/i386/i386.h: Add builtin definition for SSE4A.
6801         * config/i386/i386.md: Add support for ABM instructions
6802         (popcnt and lzcnt).
6803         * config/i386/sse.md: Add support for SSE4A instructions
6804         (movntss, movntsd, extrq, insertq).
6805         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
6806         Add -march=amdfam10 flag.
6807         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
6808         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
6809         and amdfam10.
6810         * doc/extend.texi: Add documentation for SSE4A builtins.
6811
6812 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
6813
6814         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
6815
6816 2007-02-05  Richard Guenther  <rguenther@suse.de>
6817
6818         * tree-vectorizer.h (vectorizable_function): Add argument type
6819         argument, change return type.
6820         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
6821         * tree-vect-transform.c (vectorizable_function): Handle extra
6822         argument, return vectorized function decl.
6823         (build_vectorized_function_call): Remove.
6824         (vectorizable_call): Handle calls with result and argument types
6825         differing.  Handle loop vectorization factor correctly.
6826         * targhooks.c (default_builtin_vectorized_function): Adjust for
6827         extra argument.
6828         * targhooks.h (default_builtin_vectorized_function): Likewise.
6829         * target.h (builtin_vectorized_function): Add argument type
6830         argument.
6831         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
6832         extra argument, allow vectorizing of lrintf.
6833         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
6834         documentation of target hook.
6835
6836 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
6837
6838         PR target/30665
6839         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
6840         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
6841         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
6842
6843 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6844
6845         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
6846         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
6847         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
6848         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
6849         before canonicalizing sincos to cexpi.
6850         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
6851
6852 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6853
6854         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
6855         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
6856         (alpha_init_builtins): Use alpha_add_builtins to process tables.
6857
6858 2007-02-05  Roger Sayle  <roger@eyesopen.com>
6859
6860         * mips-tfile.c (initialize_init_file): Correct endianness test.
6861
6862 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
6863
6864         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
6865         the 'y' constraint.
6866
6867 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6868
6869         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
6870         saves in a PARALLEL before the register assignments.
6871
6872 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
6873
6874         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
6875         DWARF_FRAME_RETURN_COLUMN to be a general register.
6876         * dwarf2out.c (init_return_column_size): New function, split from...
6877         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
6878         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
6879         to be nongeneral registers.
6880         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
6881         integer registers.
6882         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
6883         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
6884
6885 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6886
6887         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
6888
6889 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
6890
6891         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
6892         (remove_path): Use can_remove_branch_p and remove_branch instead
6893         of loop_delete_branch_edge.
6894         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
6895         (tree_transform_and_unroll_loop): Remove dead branches immediately.
6896         Update profile using scale_dominated_blocks_in_loop.
6897         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
6898         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
6899         (can_remove_branch_p, remove_branch): Declare.
6900         * tree-cfg.c (tree_can_remove_branch_p): New function.
6901         (tree_cfg_hooks): Add tree_can_remove_branch_p.
6902         * cfgrtl.c (rtl_can_remove_branch_p): New function.
6903         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
6904
6905 2007-02-05  Jan Hubicka  <jh@suse.cz>
6906
6907         PR middle-end/30696
6908         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
6909         nodes in cgraph, don't remove offline copy of the function.
6910
6911 2007-02-04  Jan Hubicka  <jh@suse.cz>
6912
6913         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
6914         vectors might cause maybe_lookup_element_for_expr to be called
6915         on non-sra-candidate.
6916
6917 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6918
6919         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
6920         config/bfin/bfin.md, config/bfin/predicates.md: Follow
6921         spelling conventions.
6922
6923 2007-02-04  Richard Guenther  <rguenther@suse.de>
6924
6925         PR middle-end/30636
6926         * fold-const.c (try_move_mult_to_index): Make sure to not
6927         overflow one dimension of a multi-dimensional array access.
6928
6929 2007-02-04  Jan Hubicka  <jh@suse.cz>
6930
6931         * passes.c (init_optimization_passes): Reindent.
6932
6933 2007-02-04  Jan Hubicka  <jh@suse.cz>
6934             Eric Botcazou  <ebotcazou@adacore.com>
6935
6936         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
6937         (execute_fixup_cfg): Break out the abnormal goto code.
6938         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
6939         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
6940         (optimize_inline_calls): Call make_nonlocal_label_edges.
6941
6942 2007-02-04  Jan Hubicka  <jh@suse.cz>
6943
6944         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
6945         true when something was changed.
6946         (rename_ssa_copies): When something was changed, do
6947         TODO_remove_unused_locals.
6948         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
6949         add TODO_remove_unused_locals when instruction was removed.
6950
6951 2007-02-04  Jan Hubicka  <jh@suse.cz>
6952
6953         * ipa-inline.c (try_inline): Improve debug output; work on already
6954         inline edges too.
6955         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
6956         call try_inline for already inlined edges too when flattening;
6957         inline also functions that make callee growth but overall unit size
6958         reduce.
6959
6960 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6961
6962         * config/m32c/bitops.md, config/m32c/jump.md,
6963         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
6964         config/m32r/m32r.h, config/m32r/m32r.md,
6965         config/m32r/predicates.md, config/m68hc11/larith.asm,
6966         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
6967         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
6968         config/mips/mips-protos.h, config/mips/mips.c,
6969         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
6970         config/mn10300/mn10300.h, config/mn10300/predicates.md,
6971         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
6972         spelling conventions.
6973
6974         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
6975         Follow spelling conventions.
6976
6977 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
6978
6979         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
6980         warn about C++0x compatibility.
6981
6982 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
6983
6984         * config/h8300/h8300.c, config/h8300/h8300.h,
6985         config/h8300/h8300.md: Follow spelling conventions.
6986
6987 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
6988
6989         PR middle-end/30667
6990         * combine.c (try_combine): Do not substitute source operand
6991         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
6992
6993 2007-02-03  Jan Hubicka  <jh@suse.cz>
6994
6995         PR gcov-profile/30650
6996         * value-prof.c (stringop_block_profile): Fix handling of size counter;
6997         do not divide by zero for never executed counters.
6998         (tree_find_values_to_profile): Fix counters.
6999         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
7000
7001 2007-02-03  Ian Lance Taylor  <iant@google.com>
7002
7003         * lower-subreg.c (simple_move_operand): New static function,
7004         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
7005         operands.
7006         (simple_move): Call simple_move_operand.
7007         (find_decomposable_subregs): Add special handling of MEMs.
7008         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
7009         meaning of return value.  If we see a hard register, test whether
7010         it can store a word_mode value.  Change all callers.
7011
7012 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7013
7014         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
7015         ftrapv insns and expanders.
7016         (subdi3): Change define_expand operand 1 to arith11_operand, and
7017         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
7018         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
7019         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
7020         respectively.
7021
7022         PR middle-end/30174
7023         * varasm.c (notice_global_symbol): Treat global objects as weak when
7024         flag_shlib is true.
7025
7026 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7027
7028         * emit-rtl.c (dconstpi): Delete.
7029         (dconstsqrt2): New.
7030         (init_emit_once): Delete dconstpi and init dconstsqrt2.
7031         * real.h (dconstpi): Delete.
7032         (dconstsqrt2): New.
7033         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
7034         (fold_builtin_hypot): Likewise.
7035
7036 2007-02-03  Tom Tromey  <tromey@redhat.com>
7037
7038         PR driver/30246
7039         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
7040         -gcoff3, -gxcoff3, -gvms3 implies -dD.
7041
7042 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
7043
7044         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
7045         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
7046         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
7047         config/rs6000/cell.md, config/rs6000/darwin.h,
7048         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
7049         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
7050         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
7051         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
7052         typos.  Follow spelling conventions.
7053         * doc/invoke.texi: Follow spelling conventions.
7054
7055 2007-02-03  Roger Sayle  <roger@eyesopen.com>
7056
7057         * simplify-rtx.c (simplify_relational_operation_1): Implement some
7058         canonicalization transformations that attempt to simplify integer
7059         constant comparisons to become comparisons against zero.
7060
7061 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7062
7063         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
7064         fabs(x)*sqrt(2).
7065         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
7066         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
7067
7068 2007-02-02  Mike Stump  <mrs@apple.com>
7069
7070         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
7071         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
7072         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
7073         generate a branch island.
7074
7075 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
7076
7077         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
7078         (xtensa_legitimate_address_p): New.
7079         (xtensa_legitimize_address): New.
7080         (xtensa_output_addr_const_extra): New.
7081         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
7082         (BASE_REG_P): New.
7083         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
7084         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
7085         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
7086         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
7087         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
7088         (xtensa_legitimize_address): New.
7089         (xtensa_output_addr_const_extra): New.
7090
7091 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
7092
7093         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
7094
7095 2007-02-02  Ian Lance Taylor  <iant@google.com>
7096
7097         * expmed.c (expand_divmod): Add comment.
7098
7099 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
7100
7101         * emit-rtl.c (renumber_insns): Remove.
7102         * flags.h: Remove the extern for flag_renumber_insns.
7103         * rtl.h: Remove the prototype for renumber_insns.
7104         * toplev.c (flag_renumber_insns): Remove.
7105
7106 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
7107
7108         Revert for x86 darwin:
7109         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
7110
7111         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
7112         code before the following patch under TARGET_MACHO.
7113         (ix86_function_value_regno_p): Likewise.
7114
7115 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7116
7117         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
7118         COMPLEX_EXPR.
7119
7120 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7121
7122         PR target/29682
7123         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
7124         general or fp registers.  Add comments.
7125         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
7126
7127 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
7128
7129         * pointer-set.c (insert_aux): Only return insertion slot.
7130         (pointer_set_insert): Adjust.
7131         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
7132         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
7133         pointer_map_traverse): New.
7134         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
7135         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
7136         pointer_map_contains, pointer_map_traverse): Declare.
7137
7138 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
7139
7140         PR middle-end/30473
7141         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
7142         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
7143
7144 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
7145
7146         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
7147
7148         (struct _dep): New type.
7149         (dep_t): New typedef.
7150         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
7151         (DEP_STATUS): New access macro.  The macro with the same name was
7152         renamed to DEP_LINK_STATUS.
7153         (dep_init): Declare function
7154
7155         (struct _dep_link): New type.
7156         (dep_link_t): New typedef.
7157         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
7158         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
7159         (DEP_LINK_STATUS): New macro.
7160         (debug_dep_links): New debug function.
7161
7162         (struct _deps_list): New type.
7163         (deps_list_t): New typedef.
7164         (DEPS_LIST_FIRST): New access macro.
7165         (FOR_EACH_DEP_LINK): New cycle macro.
7166         (create_deps_list, free_deps_list, delete_deps_list): Declare
7167         functions.
7168         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
7169         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
7170         (copy_deps_list_change_con): Ditto.
7171
7172         (move_dep_link): Declare function.
7173
7174         (struct _dep_node): New type.
7175         (dep_node_t): New typedef.
7176         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
7177
7178         (struct haifa_insn_data.back_deps): New field to hold backward
7179         dependencies of the insn.
7180         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
7181         to deps_list_t.
7182         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
7183         Change its type to deps_list_t.
7184         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
7185         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
7186         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
7187
7188         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
7189
7190         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
7191
7192         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
7193         all callers.
7194         (dep_cost): Declare.
7195
7196         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
7197         (ds_to_dk, dk_to_ds): New functions.
7198
7199         (init_dep_1): New static function.
7200         (init_dep): New function.
7201         (copy_dep): New static function.
7202
7203         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
7204         functions.
7205         (detach_dep_link): New static function.
7206         (move_dep_link): New function.
7207
7208         (dep_links_consistent_p, dump_dep_links): New static functions.
7209         (debug_dep_links): New debugging function.
7210
7211         (deps_obstack, dl_obstack, dn_obstack): New static variables.
7212
7213         (alloc_deps_list, init_deps_list): New static functions.
7214         (create_deps_list): New function.
7215         (clear_deps_list): New static function.
7216         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
7217         (deps_list_consistent_p, dump_deps_list): New static functions.
7218         (debug_deps_list): New function.
7219         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
7220         functions.
7221         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
7222
7223         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
7224         use new scheduler dependencies lists.
7225         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
7226         (sched_analyze): Ditto.  Initialize dependencies lists.
7227         (add_forw_dep, compute_forward_dependences): Update to use new
7228         scheduler dependencies lists.
7229
7230         (init_dependency_caches): Init deps_obstack.
7231         (free_dependency_caches): Free deps_obstack.
7232
7233         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
7234         new scheduler dependencies lists.
7235         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
7236         (add_back_forw_dep, delete_back_forw_dep): Ditto.
7237
7238         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
7239         Update to use new scheduler dependencies lists.
7240         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
7241         (debug_dependencies): Ditto.
7242         (schedule_region): Update comments.
7243
7244         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
7245         scheduler dependencies lists.
7246         (schedule_ebb): Update comments.
7247
7248         * rtl.def (DEPS_LIST): Remove.
7249
7250         * lists.c (unused_deps_list): Remove.
7251         (free_list): Update assertions.
7252
7253         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
7254         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7255
7256         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
7257         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
7258
7259         * haifa-sched.c (comments): Update.
7260         (insn_cost1): Remove.  Inline the code into insn_cost ().
7261         (insn_cost): Update to use new scheduler dependencies lists.  Move
7262         processing of the dependency cost to dep_cost ().
7263         (dep_cost): New function.  Use it instead of insn_cost () when
7264         evaluating cost of the dependency.  Use compatible interface to
7265         interact with the target.
7266         (priority): Update to use new scheduler dependencies lists.
7267         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
7268         with greater number of insns that depend on the insn.
7269         (schedule_insn): Update to use new scheduler dependencies lists.  Add
7270         code to free backward dependencies lists.  Inline and optimize code
7271         from resolve_dep () - see PR28071.
7272         (ok_for_early_queue_removal): Update to use new scheduler dependencies
7273         lists.  Update call to targetm.sched.is_costly_dependence hook.
7274
7275         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
7276         scheduler dependencies lists.
7277
7278         (resolve_dep): Remove.  Move the logic to schedule_insn ().
7279         (init_h_i_d): Initialize dependencies lists.
7280
7281         (process_insn_depend_be_in_spec): Rename to
7282         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
7283         dependencies lists.
7284         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
7285         Update to use new scheduler dependencies lists.
7286         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
7287
7288         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
7289         new scheduler dependencies lists.
7290         (build_intra_loop_deps): Ditto.
7291
7292         * target.h (struct _dep): Declare to use in
7293         gcc_target.sched.is_costly_dependence.
7294         (struct gcc_target.sched.adjust_cost): Fix typo.
7295         (struct gcc_target.sched.is_costly_dependence): Change signature to use
7296         single dep_t parameter instead of an equivalent triad.
7297         (struct gcc_target.sched.adjust_cost_2): Remove.
7298
7299         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
7300
7301         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
7302
7303         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
7304         documentation.
7305         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
7306
7307         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
7308         (REG_DEP_TRUE): Document.
7309
7310         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
7311         Change signature to correspond to the targetm.sched.adjust_cost hook.
7312         Update use in TARGET_SCHED_ADJUST_COST_2.
7313         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
7314         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
7315         new scheduler dependencies lists.
7316         (ia64_gen_check): Ditto.
7317
7318         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
7319         dependencies lists.
7320
7321         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
7322         signature to correspond to the targetm.sched.is_costly_dependence hook.
7323         (is_costly_group): Update to use new scheduler dependencies lists.
7324
7325         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
7326         instead of INSN_COST () macro.
7327
7328 2007-02-01  Ian Lance Taylor  <iant@google.com>
7329
7330         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
7331
7332 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
7333
7334         * pa.md (tp_load): Correct mfctl instruction syntax.
7335
7336 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
7337
7338         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
7339         altivec_padding_size calculation on AIX.  Improve comment, add
7340         assert to verify that it's right.
7341
7342         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
7343         64-bit.
7344
7345 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
7346
7347         PR inline-asm/28686
7348         * global.c (global_alloc): Add mising initialization of
7349         ELIMINABLE_REGSET.
7350
7351 2007-02-01  Roger Sayle  <roger@eyesopen.com>
7352
7353         * alias.c (init_alias_analysis): Correct whitespace.
7354         * bb-reorder.c (fix_edges_for_rarely_executed_code,
7355         partition_hot_cold_basic_blocks): Likewise.
7356         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
7357         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
7358         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
7359         fold_builtin_snprintf_chk, fold_builtin_printf,
7360         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
7361         do_mpfr_arg3, do_mpfr_sincos): Likewise.
7362         * cfgcleanup.c (cleanup_cfg): Likewise.
7363         * cfgexpand.c (tree_expand_cfg): Likewise.
7364         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
7365         * function.c (get_next_funcdef_no): Likewise.
7366         * gengtype.c (main): Likewise.
7367         * genmodes.c (main): Likewise.
7368         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
7369         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
7370         * ifcvt.c (noce_emit_move_insn): Likewise.
7371         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
7372         Likewise.
7373         * stor-layout.c (get_best_mode): Likewise.
7374         * tree-ssa-loop-niter.c (get_val_for): Likewise.
7375         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
7376         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
7377         perform_var_substitution, solve_graph): Likewise.
7378         * tree-vrp.c (vrp_finalize): Likewise.
7379
7380 2007-02-01  Ian Lance Taylor  <iant@google.com>
7381
7382         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
7383         high part of a paradoxical subreg, return a constant zero.
7384
7385 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
7386
7387         * toplev.c (lang_dependent_init): Call init_set_costs.
7388         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
7389
7390 2007-02-01  Richard Guenther  <rguenther@suse.de>
7391
7392         PR middle-end/30656
7393         * fold-const.c (fold_negate_expr): Allow negating a
7394         constant if overflow does not change.
7395
7396 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7397
7398         * doc/c-tree.texi (Expression trees): Improve markup.
7399         * doc/tm.texi (Register Classes, Addressing Modes)
7400         (Floating Point): Fix spacing after abbreviations.  Fix some
7401         typos.
7402
7403 2007-02-01  Ben Elliston  <bje@au.ibm.com>
7404
7405         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
7406         * doc/contrib.texi: Likewise.
7407         * doc/install.texi: Likewise.
7408
7409 2007-01-31  Richard Henderson  <rth@redhat.com>
7410             Ian Lance Taylor  <iant@google.com>
7411
7412         * lower-subreg.c: New file.
7413         * rtl.def (CONCATN): Define.
7414         * passes.c (init_optimization_passes): Add pass_lower_subreg and
7415         pass_lower_subreg2.
7416         * emit-rtl.c (update_reg_offset): New static function, broken out
7417         of gen_rtx_REG_offset.
7418         (gen_rtx_REG_offset): Call update_reg_offset.
7419         (gen_reg_rtx_offset): New function.
7420         * regclass.c: Revert patch of 2006-03-05, restoring
7421         reg_scan_update.
7422         (clear_reg_info_regno): New function.
7423         * dwarf2out.c (concatn_loc_descriptor): New static function.
7424         (loc_descriptor): Handle CONCATN.
7425         * common.opt (fsplit_wide_types): New option.
7426         * opts.c (decode_options): Set flag_split_wide_types when
7427         optimizing.
7428         * timevar.def (TV_LOWER_SUBREG): Define.
7429         * rtl.h (gen_reg_rtx_offset): Declare.
7430         (reg_scan_update): Declare.
7431         * regs.h (clear_reg_info_regno): Declare.
7432         * tree-pass.h (pass_lower_subreg): Declare.
7433         (pass_lower_subreg2): Declare.
7434         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
7435         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
7436         -fsplit-wide-types.
7437         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
7438         * Makefile.in (OBJS-common): Add lower-subreg.o.
7439         (lower-subreg.o): New target.
7440
7441 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7442
7443         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
7444
7445 2007-01-31  Anatoly Sokolov <aesok@post.ru>
7446
7447         PR target/19087
7448         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
7449
7450 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7451
7452         PR middle-end/29335
7453         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
7454
7455 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
7456
7457         * cfgloop.h: Include vec-prim.h.
7458         (enum li_flags): Remove LI_ONLY_OLD.
7459         (loop_iterator): Changed.
7460         (fel_next, fel_init): Iterate over loop tree.
7461         (FOR_EACH_LOOP_BREAK): New macro.
7462         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
7463         FOR_EACH_LOOP.
7464         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
7465         * modulo-sched.c (sms_schedule): Ditto.
7466         * tree-vectorizer.c (vectorize_loops): Ditto.
7467         * doc/loop.texi: Update information on loop numbering and behavior of
7468         FOR_EACH_LOOP wrto new loops.
7469         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7470         add_to_evolution_1): Test nestedness of loops instead of comparing
7471         their numbers.
7472         * tree-chrec.c (chrec_fold_plus_poly_poly,
7473         chrec_fold_multiply_poly_poly, chrec_evaluate,
7474         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
7475         reset_evolution_in_loop): Ditto.
7476         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
7477
7478 2007-01-31  Dirk Mueller  <dmueller@suse.de>
7479
7480         * c-common.c (warn_about_parentheses): Separate warning about
7481         un-parenthized sequence of comparison operators from the one
7482         which is supposed to warn about x <= y <= z.
7483
7484 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
7485
7486         * optabs.h (enum optab_index): Add new OTI_isinf.
7487         (isinf_optab): Define corresponding macro.
7488         * optabs.c (init_optabs): Initialize isinf_optab.
7489         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
7490         patterns.
7491         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
7492         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
7493         using isinf_optab.
7494         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
7495         expand_builtin_interclass_mathfn.
7496         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
7497         * config/i386/i386.md (UNSPEC_FXAM): New constant.
7498         (fxam<mode>2_i387): New insn pattern.
7499         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
7500         built-in functions as x87 inline asm.
7501
7502 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7503
7504         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
7505
7506 2007-01-30  Eric Christopher  <echristo@apple.com>
7507
7508         * config.gcc: Add geode.
7509
7510 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
7511
7512         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
7513         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
7514         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
7515         value-prof.c: Fix comment typos.
7516
7517 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7518
7519         PR c++/24745
7520         * doc/invoke.texi (Wpointer-arith): Document warning.
7521
7522 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
7523
7524         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
7525         the list of discrepancies from the draft TR.
7526
7527 2007-01-30  Dirk Mueller  <dmueller@suse.de>
7528
7529         PR c++/30601
7530         * doc/invoke.texi (-Wreturn-type): Update description to
7531         match new behavior.
7532
7533 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
7534
7535         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
7536
7537 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
7538
7539         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
7540         to handle optabs that operate on floating point input argument and
7541         output to integer output.
7542         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
7543         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
7544         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
7545         expand_builtin_interclass_mathfn ().
7546         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
7547         (ilogbsi2): Remove.
7548         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
7549         ilogbl built-in functions as x87 intrinsics.
7550
7551 2007-01-30  Richard Guenther  <rguenther@suse.de>
7552
7553         PR middle-end/27657
7554         * dwarf2out.c (reference_to_unused): Query varpool if the
7555         variable was output.
7556
7557 2007-01-30  Richard Guenther  <rguenther@suse.de>
7558
7559         PR middle-end/30313
7560         * passes.c (execute_one_pass): Reset in_gimple_form to not
7561         confuse non-unit-at-a-time mode.
7562
7563 2007-01-29  Roger Sayle  <roger@eyesopen.com>
7564             Richard Guenther  <rguenther@suse.de>
7565
7566         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
7567         avoid undefined behaviour on overflow.  Use force_fit_type_double
7568         to construct the constant with the specified TREE_OVERFLOW.
7569
7570 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7571
7572         * config/dfp-bit.c: Add parameterized support for fp exceptions.
7573         * config/dfp-bit.h: Ditto.
7574
7575 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7576
7577         * c-decl.c (pop_scope): Replace warnings with call to
7578         warn_for_unused_label.
7579         * c-common.h (warn_for_unused_label): Declare.
7580         * c-common.c (warn_for_unused_label): Define.
7581
7582 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7583
7584         * tree-optimize.c (update_inlined_to_pointers): Delete unused
7585         function.
7586
7587 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
7588
7589         * Makefile.in (USER_H): Remove decfloat.h.
7590         * ginclude/decfloat.h: Delete, moving contents to ...
7591         * ginclude/float.h: Add support for decimal floating point,
7592         guarded by __STDC_WANT_DEC_FP__.
7593
7594 2007-01-29  Mike Stump  <mrs@apple.com>
7595
7596         * doc/gccint.texi (Top): Rename Loop Representation to Loop
7597         Analysis and Representation to resolve case insensitive conflict.
7598         * doc/loop.texi (Loop Analysis and Representation): Likewise.
7599
7600 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
7601
7602         * tree.h (struct tree_memory_tag): Add aliases member.
7603         (MTAG_ALIASES): New macro.
7604         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
7605         (add_may_alias): Remove pointer-set. Update for may_aliases being
7606         a bitmap.
7607         (mark_aliases_call_clobbered): Update for may_aliases being a
7608         bitmap.
7609         (compute_tag_properties): Ditto.
7610         (create_partition_for): Ditto.
7611         (compute_memory_partitions): Ditto.
7612         (dump_may_aliases_for): Ditto.
7613         (is_aliased_with): Ditto.
7614         (add_may_alias_for_new_tag): Ditto.
7615         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
7616         (compute_is_aliased): New function.
7617         (compute_may_aliases): Call compute_is_aliased).
7618         (init_alias_info): Initialize alias_bitmap_obstack.
7619         (union_alias_set_into): New function.
7620         (compute_flow_sensitive_aliasing): Use union_aliases_into.
7621         (have_common_aliases_p): Rewrite to take two bitmaps and use
7622         intersection.
7623         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
7624         Update for bitmaps.
7625         (finalize_ref_all_pointers): Update for add_may_alias changes.
7626         (new_type_alias): Ditto.
7627         * tree-flow-inline.h (may_aliases): Return a bitmap.
7628         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
7629         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
7630         may_aliases being a bitmap.
7631         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
7632         may_aliases now returns a bitmap.
7633         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
7634         being a bitmap.
7635         * tree-ssa-operands.c (add_virtual_operand): Update for
7636         may_aliases being a bitmap.
7637
7638 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
7639
7640         PR tree-optimization/30630
7641         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
7642         variable as changed.
7643
7644 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
7645
7646         PR c++/28266
7647         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
7648         expanded only once even if an error occurs.
7649
7650 2007-01-29  Ben Elliston  <bje@au.ibm.com>
7651
7652         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
7653         (__gcov_average_profiler): Likewise.
7654         (__gcov_ior_profiler): Likewise.
7655         (__gcov_merge_ior): Likewise.
7656
7657 2007-01-28  Jan Hubicka  <jh@suse.cz>
7658
7659         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
7660         * value-prof.c (stringop_block_profile): Likewise.
7661
7662 2007-01-28  Jan Hubicka  <jh@suse.cz>
7663
7664         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
7665         variant handling histograms; add wrapper.
7666         (clear_storage_via_libcall): Export.
7667         (emit_block_move_hints): Break out from ...; add histograms.
7668         (emit_block_move): ... this one.
7669         (clear_storage_hints): Break out from ...; add histograms.
7670         (clear_storage): ... this one.
7671         (set_storage_via_memset): Handle histogram.
7672         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
7673         (clear_storage_hints, clear_storage_via_libcall): Declare.
7674         (set_storage_via_setmem): Update prototype.
7675         * doc/md.texi (movmem, setmem): Document new arguments.
7676
7677         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
7678         new histograms.
7679         (stringop_block_profile): New global function.
7680         (tree_stringops_values_to_profile): Profile block size and alignment.
7681         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
7682         HIST_TYPE_IOR.
7683         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
7684         (stringop_block_profile): Declare.
7685         * builtins.c: Include value-prof.h.
7686         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
7687         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
7688         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
7689         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
7690         * profile.c (instrument_values): Add new counters.
7691         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
7692         calls.
7693         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
7694         (tree_init_edge_profiler): Build new profilers.
7695         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
7696         (pass_tree_profile): Add dump.
7697         (tree_profile_hooks): Update.
7698         * Makefile.in (LIBGCOV): Add new constants.
7699         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
7700         __gcov_ior_profiler): New.
7701         * i386.md (movmem/setmem expanders): Add new optional arguments.
7702
7703 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
7704
7705         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
7706
7707 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7708
7709         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
7710         (tree_unswitch_single_loop): Pass eni_size_weights to
7711         tree_num_loop_insns.
7712         * tree-ssa-loop-manip.c: Include tree-inline.h.
7713         (can_unroll_loop_p): Pass eni_size_weights to
7714         tree_num_loop_insns.
7715         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
7716         Pass eni_size_weights to estimate_num_insns.
7717         * tree.h (init_inline_once): Export.
7718         * toplev.c (backend_init): Call init_inline_once.
7719         * cgraphunit.c (cgraph_process_new_functions,
7720         cgraph_analyze_function): Pass eni_inlining_weights to
7721         estimate_num_insns.
7722         * ipa-inline.c (compute_inline_parameters): Ditto.
7723         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
7724         to estimate_num_insns.
7725         (try_unroll_loop_completely): Pass eni_size_weights to
7726         tree_num_loop_insns.
7727         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
7728         ot estimate_num_insns.
7729         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
7730         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
7731         * tree-inline.c (eni_inlining_weights, eni_size_weights,
7732         eni_time_weights): New variables.
7733         (init_inline_once): Initialize them.
7734         (struct eni_data): Mew.
7735         (estimate_num_insns_1, estimate_num_insns): Use weights.
7736         * tree-inline.h (struct eni_weights_d): New.
7737         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
7738         (estimate_num_insns): Declaration changed.
7739         * cfgloop.h (tree_num_loop_insns): Declaration changed.
7740         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
7741         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
7742
7743 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
7744
7745         * tree-data-ref.c (conflict_fn): Assert that the number of affine
7746         relations in the conflict function is valid.
7747
7748 2007-01-27  Ian Lance Taylor  <iant@google.com>
7749
7750         * common.opt: Add fstrict-overflow.
7751         * opts.c (decode_options): Set flag_strict_overflow if -O2.
7752         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
7753         (TYPE_OVERFLOW_UNDEFINED): Define.
7754         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
7755         Replace all uses.
7756         * tree.h (TYPE_TRAP_SIGNED): Don't define.
7757         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
7758         (fold_negate_expr): Likewise.
7759         (make_range): Likewise.
7760         (extract_muldiv_1): Likewise.
7761         (maybe_canonicalize_comparison): Likewise.
7762         (fold_comparison): Likewise.
7763         (fold_binary): Likewise.
7764         (tree_expr_nonnegative_p): Likewise.
7765         (tree_expr_nonzero_p): Likewise.
7766         * tree-vrp.c (compare_values): Likewise.
7767         (extract_range_from_binary_expr): Likewise.
7768         (extract_range_from_unary_expr): Likewise.
7769         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
7770         Likewise.
7771         (nowrap_type_p): Likewise.
7772         * tree-scalar-evolution.c (simple_iv): Likewise.
7773         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
7774         (build_range_check): Likewise.
7775         (extract_muldiv_1): Likewise.
7776         (fold_comparison): Likewise.
7777         * tree-vrp.c (vrp_int_const_binop): Likewise.
7778         (extract_range_from_unary_expr): Likewise.
7779         * convert.c (convert_to_integer): Likewise.
7780         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
7781         (fold_comparison): Likewise.
7782         (fold_binary): Likewise.
7783         * optabs.c (optab_for_tree_code): Likewise.
7784         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
7785         * simplify-rtx.c (simplify_const_relational_operation): Check
7786         flag_strict_overflow and flag_trapv.
7787         (simplify_const_relational_operation): Likewise.
7788         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
7789         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
7790         -fstrict-overflow.
7791
7792 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7793
7794         * tree.c (tree_fold_gcd): Delete.
7795         * tree.h (tree_fold_gcd): Remove prototype.
7796         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
7797         test whether one constant integer is a multiple of another.  Instead
7798         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
7799         * fold-const.c (multiple_of_p):  We've determined both TOP and
7800         BOTTOM are integer constants so we can call int_const_binop directly
7801         instead of the more generic const_binop.
7802
7803 2007-01-27  Roger Sayle  <roger@eyesopen.com>
7804
7805         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
7806         1*X check that the constant hasn't overflowed, to preserve the
7807         TREE_OVERFLOW bit.
7808         (round_up): Provide an efficient implementation when rouding-up an
7809         INTEGER_CST to a power-of-two.
7810
7811 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7812
7813         * doc/sourcebuild.texi: Add comma for clarity.
7814         * doc/extend.texi: Fix some typos.
7815         * doc/passes.texi: Likewise.
7816         * doc/cppinternals.texi: Likewise.
7817         * doc/c-tree.texi: Likewise.
7818         * doc/tree-ssa.texi: Likewise.
7819         * doc/install.texi: Likewise.
7820
7821 2007-01-27  Jan Hubicka  <jh@suse.cz>
7822
7823         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
7824         (pass_sra): Do not require alias information.
7825         * passes.c (init_optimization_passes): Add SRA
7826
7827 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
7828
7829         * tracer.c (rest_of_handle_tracer): We already cleaned
7830         up the CFG in tracer() so don't do it here again.
7831         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
7832         cleanup_cfg here, either.  And don't call renumber_insns.
7833
7834         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
7835         and BB_HEAD are in the insn stream here.  Instead make sure
7836         that BB_INSN is valid on all insns.  Also, do check here that
7837         there are no pending branch predictions...
7838         (rtl_verify_flow_info): ...instead of doing it here.  Checks
7839         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
7840         here.
7841
7842 2007-01-26  Roger Sayle  <roger@eyesopen.com>
7843
7844         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
7845         function to simplify/factorize operand order canonicalization.
7846         (ix86_fixup_binary_operands): Reorganize using the above function.
7847         (ix86_binary_operator_ok): Likewise.
7848
7849 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
7850
7851         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
7852         file scope from optimize_attrs.
7853         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
7854         up search.
7855         (optimize_attrs): Clear insn_code_values after freeing it.
7856
7857 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7858
7859         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
7860         a parts.base assignment.
7861
7862 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
7863
7864         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
7865         (compute_subscript_distance, initialize_data_dependence_relation,
7866         finalize_ddr_dependent, analyze_ziv_subscript,
7867         analyze_siv_subscript_cst_affine,
7868         compute_overlap_steps_for_affine_univar,
7869         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
7870         analyze_siv_subscript, analyze_miv_subscript,
7871         analyze_overlapping_iterations, subscript_dependence_tester_1,
7872         compute_self_dependence, free_dependence_relation): Work
7873         with affine_fn instead of chrecs.
7874         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
7875         common_affine_function, affine_function_base,
7876         affine_function_constant_p, affine_fn_op, affine_fn_plus,
7877         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
7878         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
7879         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
7880         (all_chrecs_equal_p): Removed.
7881         * tree-data-ref.h (affine_fn, conflict_function): New types.
7882         (struct subscript): Change type of conflicting_iterations_in_a
7883         and conflicting_iterations_in_b.
7884
7885 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
7886
7887         PR other/30182
7888         * config/pa/pa.h (TARGET_HPUX_11): New.
7889         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
7890         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
7891
7892 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
7893         Richard Guenther  <rguenther@suse.de>
7894
7895         * tree-ssa-structalias.c (solve_graph): Handle case
7896         we merged the variable to another.
7897
7898 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7899
7900         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
7901         functions.
7902
7903         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
7904         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
7905
7906 2007-01-25  DJ Delorie  <dj@redhat.com>
7907
7908         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
7909         allow changes to modes which don't fit in those registers.
7910
7911         * reload1.c (choose_reload_regs): Check for invalid subregs before
7912         computing their locations, not after.
7913
7914 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
7915
7916         PR 25127
7917         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
7918         save Altivec registers in an eh_return function.
7919         (compute_vrsave_mask): Likewise.
7920         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
7921         for saving Altivec registers.
7922         (rs6000_emit_prologue): Don't allocate stack twice in
7923         eh_return function.  Correct expected value of altivec_save_offset
7924         when using save_world.  Describe save of R0 to stack when using
7925         save_world.  Describe stack pointer adjustment when using
7926         save_world.  Remove duplicated eh_return parameter register saving.
7927         Update sp_offset variable after save_world.
7928         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
7929         darwin-world.asm.
7930         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
7931         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
7932         implies Altivec.
7933
7934 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7935
7936         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
7937
7938 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
7939
7940         PR other/30182
7941         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
7942         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
7943
7944 2007-01-25  Richard Guenther  <rguenther@suse.de>
7945
7946         * doc/invoke.texi (-Wcoverage-mismatch): Document.
7947         * common.opt (-Wcoverage-mismatch): New warning option.
7948         * coverage.c (get_coverage_counts): Ignore coverage mismatch
7949         if -Wcoverage-mismatch is given.
7950
7951 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
7952
7953         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
7954         (ipcp_driver): Change to static definition.
7955         Add dumping of the ifunctions.
7956         (constant_val_insert): Remove unused parameter. Support for SSA.
7957         (ipcp_propagate_const): Support for SSA.
7958         (ipcp_profile_bb_print): Print only analyzed nodes.
7959         (ipcp_replace_map_create): Remove support for Fortran constant
7960         for now.
7961         * ipa-prop.c (ipa_method_modify_stmt,
7962         ipa_callsite_compute_param): Support for SSA.
7963         * ipa-prop.h (ipcp_driver): Remove declaration.
7964         (IS_VALID_TREE_MAP_INDEX): Add define.
7965
7966 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
7967
7968         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
7969
7970 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7971
7972         PR middle-end/30447
7973         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
7974         constant argument to cabs and do it without checking for
7975         -funsafe-math-optimizations.
7976
7977 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
7978
7979         * c-common.h (RID_FIRST_CXX0X): New.
7980         (RID_LAST_CXX0X): New.
7981         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
7982         by -Wall.
7983         * c.opt (Wc++0x-compat): New.
7984         * doc/invoke.texi (-Wc++0x-compat): Document.
7985
7986 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7987
7988         * builtins.c (fold_builtin_carg): New.
7989         (fold_builtin_1): Use it.
7990
7991 2007-01-24  Jan Hubicka  <jh@suse.cz>
7992
7993         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
7994
7995         * ipa-inline.c (initial_insns, max_insns): Delete.
7996         (compute_max_insns): New function.
7997         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
7998         of insns as base for code growth.
7999         (cgraph_decide_inlining): Make initial_insns local; do not compute
8000         max_insns.
8001         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
8002         * doc/invoke.texi (inline-unit-growth): Update docs.
8003
8004 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
8005
8006         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
8007         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
8008         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
8009         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
8010         for CPUs that have PTA_CX16 set.
8011
8012         PR middle-end/27416
8013         * gimplify.c (omp_check_private): New function.
8014         (gimplify_scan_omp_clauses): Use it for
8015         firstprivate/lastprivate/reduction.
8016
8017         PR middle-end/30494
8018         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
8019         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
8020
8021         PR middle-end/30421
8022         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
8023         If lower_lastprivate_clauses emits some statements, append them
8024         to dlist rather than body_p and to body_p append an initializer.
8025         (lower_omp_for): Adjust caller.
8026
8027 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
8028
8029         * target.h (globalize_decl_name): New.
8030         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8031         * output.h (default_globalize_decl_name): New.
8032         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
8033         globalize_label.
8034         (globalize_decl): Ditto.
8035         (default_globalize_decl_name): New.
8036         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
8037         (ia64_handle_version_id_attribute): New.
8038         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
8039         (ia64_asm_output_external): Use globalize_decl_name instead
8040         of globalize_label.
8041         * doc/extend.texi (version_id): New pragma.
8042         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
8043
8044 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8045
8046         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
8047         _uleb128_t and _Unwind_SWord with _sleb128_t.
8048         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
8049         uw_frame_state_for, uw_update_context_1): Likewise.
8050         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
8051         * unwind-pe.h (read_uleb128, read_sleb128,
8052         read_encoded_value_with_base): Likewise.
8053         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
8054
8055 2007-01-24  Richard Guenther  <rguenther@suse.de>
8056
8057         * builtins.c (expand_builtin_cexpi): Get the fndecl
8058         for cexp in the correct way.
8059
8060 2007-01-24  Jan Hubicka  <jh@suse.cz>
8061
8062         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
8063
8064 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8065
8066         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
8067         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
8068         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
8069         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
8070         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
8071         __SIZEOF_PTRDIFF_T__.
8072         * doc/cpp.texi: Documentation for the new builtin macros added.
8073
8074 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
8075
8076         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
8077         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
8078         instead of operands[2] to avoid access past the end of array.
8079
8080 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
8081
8082         * reload1.c (emit_reload_insns): Pass the reload register
8083         for a non-spill output reload through forget_old_reloads_1.
8084
8085 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
8086
8087         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8088         _SOFT_DOUBLE if doubles use software floating-point.
8089         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
8090         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8091         * config/rs6000/darwin-ldouble.c: Also compile functions for
8092         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
8093         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
8094         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
8095         commented-out long double override.
8096         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
8097         * config/rs6000/eabispe.h: Likewise.
8098         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
8099         long double for non-SPE.
8100         (rs6000_handle_option): Likewise.
8101         (invalid_e500_subreg): Disallow more subregs involding DImode,
8102         DFmode, TImode or TFmode.
8103         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
8104         E500 double.
8105         (legitimate_lo_sum_address_p): Also check for TFmode for E500
8106         double.
8107         (rs6000_legitimize_address): Also handle TFmode for E500 double.
8108         (rs6000_legitimize_reload_address): Also handle TFmode for E500
8109         double.
8110         (rs6000_legitimate_address): Also check for TFmode for E500
8111         double.
8112         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
8113         (spe_build_register_parallel): Handle TFmode and TCmode.
8114         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
8115         double.
8116         (function_arg): Handle TFmode and TCmode for E500 double.
8117         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
8118         in general.
8119         (print_operand): Handle TFmode and TImode for %y.
8120         (rs6000_generate_compare): Handle TFmode comparisons for E500
8121         double.
8122         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
8123         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
8124         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
8125         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
8126         TFmode for E500 double.
8127         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
8128         (floatsidf2): Enable for E500 double.
8129         (movtf_softfloat): Use rs6000_nonimmediate_operand.
8130         (extenddftf2): Change to extenddftf2_fprs.
8131         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
8132         depending on TARGET_E500_DOUBLE.
8133         (extendsftf2): Enable for E500 double.
8134         (trunctfdf2): Enable for E500 double.
8135         (trunctfsf2): Change to trunctfsf2_fprs.
8136         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
8137         depending on TARGET_E500_DOUBLE.
8138         (floatsitf2): Enable for E500 double.
8139         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
8140         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
8141         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
8142         (negtf2): Change to negtf2_internal.
8143         (negtf2): New expander.
8144         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
8145         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
8146         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
8147         (movdi_internal32): Use rs6000_nonimmediate_operand.
8148         (unnamed splitter): Likewise.
8149         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
8150         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
8151         (SPE64TF, DITI): New mode macros.
8152         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
8153         modes.
8154         (frob_tf_ti): New.
8155         (frob_<mode>_di_2): New.
8156         (frob_tf_di_8_2): New.
8157         (frob_di_df): Change to frob_di_<mode>; allow more modes.
8158         (frob_ti_tf): New.
8159         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
8160         more modes.
8161         (frob_ti_<mode>_8_2): New.
8162         (frob_ti_tf_2): New.
8163         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
8164         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
8165         TFmode.
8166         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
8167         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
8168         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
8169         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
8170         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
8171         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
8172         tsttflt_gp): New.
8173
8174 2007-01-23  Ian Lance Taylor  <iant@google.com>
8175
8176         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
8177         insn-*.o first.
8178         (OBJS-archive): Reformat, alphabetize.
8179         (OBJS): Change out_object_file to OBJS-md.
8180
8181 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
8182
8183         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
8184         JUMP_P and CALL_P predicates where applicable.
8185         * config/i386/i386.c: Ditto.
8186         * config/i386/i386.md: Ditto.
8187         * config/i386/mmx.md: Ditto.
8188         * config/i386/predicates.md: Ditto.
8189
8190 2007-01-22  Andreas Schwab  <schwab@suse.de>
8191
8192         * config/m68k/m68k.h: Fix comment.
8193
8194 2007-01-22  Jan Hubicka  <jh@suse.cz>
8195
8196         * passes.c (init_optimization_passes): Do not rerun
8197         pass_early_warn_uninitialized.
8198
8199 2007-01-22  Richard Guenther  <rguenther@suse.de>
8200
8201         PR tree-optimization/30038
8202         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
8203         function.
8204         (execute_cse_sincos_1): Likewise.
8205         (execute_cse_sincos): Likewise.
8206         (gate_cse_sincos): Likewise.
8207         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
8208         the cexpi() canonicalization of sincos().
8209         * tree-pass.h (pass_cse_sincos): Declare.
8210         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
8211
8212 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
8213
8214         PR rtl-optimization/29329
8215         * combine.c (replaced_rhs_insn): Rename to i2mod.
8216         (replaced_rhs_value): Rename to i2mod_new_rhs.
8217         (i2mod_old_rhs): New global variable.
8218         (combine_instructions): Adjust for above change.  Save a copy of
8219         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
8220         note are substituted in the second instruction.
8221         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
8222         ditch the note if it pertains to the second eliminated register
8223         and this register is mentioned in i2mod_old_rhs.
8224
8225         Revert:
8226         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
8227
8228         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8229         the insn to which the note was originally attached.
8230
8231 2007-01-21  Jan Hubicka  <jh@suse.cz>
8232
8233         * ipa-inline.c (inlining_mode): Comment, move up.
8234         (cgraph_decide_inlining_incrementally): Do not perform inlining
8235         itself; fix handling of flattening of self recursive functions.
8236         (cgraph_find_cycles): Remove.
8237         (cgraph_flatten_node): Remove.
8238         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
8239         (try_inline): New function.
8240         (cgraph_early_inlining): Update call of
8241         cgraph_decide_inlining_incrementally.  Apply inlining here.
8242         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
8243
8244 2007-01-21  Dirk Mueller  <dmueller@suse.de>
8245
8246         PR bootstrap/30511
8247         * tree-vrp.c (check_array_bounds): do not warn
8248         about ADDR_EXPR's of ARRAY_REF's which are immediately
8249         used in binary expressions.
8250
8251 2007-01-21  Ira Rosen  <irar@il.ibm.com>
8252
8253         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
8254         read_write_dep and macros for its access.
8255         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
8256         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
8257         argument, call vect_check_interleaving for every independent pair of
8258         data-refs. Mark loads that access the same memory location as a store
8259         in the loop.
8260         (vect_check_dependences): Remove.
8261         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
8262         call, fix the call to vect_analyze_data_ref_dependence.
8263         (vect_analyze_data_ref_access): For statements that access the same
8264         data-ref, check that they are not stores; for loads, check that there
8265         is no store that access the same location.
8266
8267 2007-01-20  Roger Sayle  <roger@eyesopen.com>
8268             Joseph Myers  <joseph@codesourcery.com>
8269
8270         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
8271         (-fdump-rtl-stack): Likewise.
8272         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
8273         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
8274         (-mpt-fixed): Use @minus{} for minus sign.
8275         (Using Precompiled Headers): Fix under/overfull hbox.
8276
8277 2007-01-20  Jan Hubicka  <jh@suse.cz>
8278
8279         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
8280         place within annotation.
8281
8282 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8283
8284         * pa.c (output_move_double): Change array size of xoperands to 4.
8285
8286 2007-01-20  Jan Hubicka  <jh@suse.cz>
8287
8288         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
8289         as temporary.
8290
8291 2007-01-19  Ian Lance Taylor  <iant@google.com>
8292
8293         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
8294         constant to unsigned HOST_WIDE_INT before negating.
8295
8296 2007-01-19  Ian Lance Taylor  <iant@google.com>
8297
8298         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
8299         to unsigned.
8300         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
8301         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8302         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
8303         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
8304         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
8305         (realloc_vdef, realloc_vuse): Change second parameter to
8306         unsigned.
8307         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
8308         fields to unsigned.
8309         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
8310         unsigned. Change x and lim locals to unsigned.
8311         (realloc_vdef, realloc_vuse): Change num_elem parameter to
8312         unsigned.
8313         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
8314         (copy_virtual_operands): Change i and n locals to unsigned.
8315
8316 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8317
8318         PR middle-end/29335
8319         * builtins.c (fold_builtin_1): Handle builtin fdim.
8320
8321 2007-01-20  Jan Hubicka  <jh@suse.cz>
8322
8323         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
8324         * tree-ssa-structalias.c (compute_points_to_sets): Do call
8325         init_alias_heapvars.
8326         (init_alias_heapvars): Initialize only when not already initialized.
8327         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
8328
8329 2007-01-19  Roger Sayle  <roger@eyesopen.com>
8330
8331         * common.opt (fsigned-zeros): New command line option.
8332         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
8333         of flag_unsafe_math_optimizations.
8334         * opts.c (set_fast_math_flags): The -ffast-math command line option
8335         implies -fno-signed-zeros.
8336         (fast_math_flags_set_p): Likewise.
8337
8338         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
8339         the documentation of -ffast-math appropriately.  Wrap long lines.
8340
8341 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
8342
8343         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
8344         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
8345
8346 2007-01-19  Tomas Bily  <tbily@suse.cz>
8347
8348         * cgraphunit.c (cgraph_finalize_function): Updating of pid
8349         * tree-profile.c:
8350         (tree_init_ic_make_global_vars): New function
8351         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
8352         (tree_gen_ic_profiler): New function
8353         (tree_gen_ic_func_profiler): New function
8354         (tree_profiling): Added calling of tree_gen_ic_func_profiler
8355         (tree_profile_hooks): Added hook for indirec/virtual calls
8356         * value-prof.c (tree_find_values_to_profile): New case for
8357         indirect calls
8358         (tree_values_to_profile): Call for determining indirect/virtual
8359         counters
8360         (tree_indirect_call_to_profile): New function
8361         (tree_ic_transform): New function
8362         (tree_ic): New function
8363         (find_func_by_pid): New function
8364         (init_pid_map): New function
8365         (tree_value_profile_transformations): Added check for
8366         indirect/virtual call transformation
8367         * value-prof.h (enum hist_type): New counter type for
8368         indirect/virtual calls
8369         (profile_hooks): Added new hook for profiling indirect/virtual
8370         calls
8371         * profile.c (instrument_values): New case for indirect/virtual
8372         call added
8373         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
8374         (GCOV_COUNTER_V_INDIR): New counter type
8375         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
8376         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
8377         call added
8378         * cgraph.c: Definition of cgraph_max_pid
8379         (cgraph_create_node): Default init of pid attribute
8380         * cgraph.h: Declaration of cgraph_max_pid
8381         (struct cgraph_node): Added pid attribute
8382         * libgcov.c (__gcov_indirect_call_profiler): New function
8383         (__gcov_one_value_profiler_body): New function
8384         (__gcov_one_value_profiler): Body was moved to
8385         __gcov_one_value_profiler_body and calls it
8386
8387 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
8388
8389         * doc/gty.texi (Options): Document the mark_hook option to GTY.
8390         * gengtype.c (write_types_data, write_func_for_structure,
8391         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
8392         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
8393         (walk_type, write_func_for_structure): Generate the mark_hook if
8394         needed.
8395
8396 2007-01-19  Jan Hubicka  <jh@suse.cz>
8397
8398         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
8399         'early' argument take inlining mode argument specifying whether to
8400         inline for size/speeed or all functions; add support for flattening;
8401         improve dumpting.
8402         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
8403
8404 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8405
8406         PR c++/17947
8407         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
8408         the name of the declared identifier.
8409
8410 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8411
8412         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
8413         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
8414         duplicate evaluation.
8415
8416 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8417
8418         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
8419         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
8420         to XFMode, use acosxf2 and truncate result to requested mode.
8421         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
8422         (asin<mode>2): Similarly, with asin expanders.
8423         (*fscalexf4_i387): Rename from *fscalexf4.
8424         (expNcorexf3): New expander.
8425         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
8426         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
8427         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
8428         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
8429         patterns for SSE math.
8430         (exp10<mode>2): Similarly, with exp10 expanders.
8431         (exp2<mode>2): Similarly, with exp2 expanders.
8432         (expm1<mode>2): Similarly, with expm1 expanders.
8433         (ldexp<mode>3): Similarly, with ldexp expanders.
8434         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
8435         Use gen_truncxf<mode>2_i387_noop to truncate result.
8436
8437 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8438
8439         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
8440         for ColdFire targets.
8441
8442 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
8443             Richard Sandiford  <richard@codesourcery.com>
8444
8445         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
8446         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
8447         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
8448         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
8449         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8450         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
8451
8452 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8453
8454         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
8455         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
8456         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
8457         (*adddi_dilshr32_cf): New pattern.
8458         (adddi3, subdi3): Remove first alternatives.
8459
8460 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8461
8462         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
8463         implemented using move.l, do not use its cc result for floating-point
8464         comparisons.
8465
8466 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8467
8468         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
8469         from accepting 's' constraints if flag_pic.
8470
8471 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8472
8473         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
8474         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
8475         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
8476         condition from TARGET_68881 to TARGET_HARD_FLOAT.
8477
8478 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
8479
8480         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
8481         ColdFire alternatives.
8482         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
8483         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
8484         architectures that support ff1 instruction.
8485
8486 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8487             Julian Brown  <julian@codesourcery.com>
8488
8489         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
8490         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
8491         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
8492         Add commentary.
8493
8494 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
8495
8496         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
8497         and return a bool.
8498         (output_move_const_into_data_reg, output_move_simode_const): Delete.
8499         * config/m68k/m68k.c (const_method, const_int_cost): Take a
8500         HOST_WIDE_INT instead of an rtx.
8501         (m68k_rtx_costs): Update call accordingly.
8502         (output_move_const_into_data_reg): Likewise.  Fix formatting.
8503         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
8504         Return a bool.
8505         (output_move_simode_const): Update calls after above changes.
8506         Rework to use automatic variables and predicates like MEM_P.
8507         * config/m68k/m68k.md (pushexthisi_const): Update call to
8508         valid_mov3q_const.
8509
8510 2007-01-19  Dirk Mueller  <dmueller@suse.de>
8511
8512         * tree-ssa-alias.c (perform_var_substitution): Fix typo
8513         in dump_flags test.
8514
8515 2007-01-19  Richard Guenther  <rguenther@suse.de>
8516
8517         * builtins.c (expand_builtin_cexpi): Fall back to expanding
8518         via cexp in case sincos is not available.
8519
8520 2007-01-19  Richard Guenther  <rguenther@suse.de>
8521
8522         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
8523         * defaults.h (TARGET_HAS_SINCOS): Default to off.
8524         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
8525         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
8526         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
8527         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
8528         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
8529         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
8530
8531 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
8532
8533         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
8534         New insn patterns.
8535         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
8536         (atan2xf3): Directly generate RTL pattern.
8537         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
8538         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8539         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8540         disable patterns for SSE math.
8541         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
8542         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
8543         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8544         disable patterns for SSE math.
8545
8546 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
8547
8548         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
8549
8550 2007-01-18  Roger Sayle  <roger@eyesopen.com>
8551
8552         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
8553         VIEW_CONVERT_EXPR to the same type as it's operand.
8554
8555 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
8556
8557         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
8558         configured for long double 128.
8559
8560 2007-01-18  Mike Stump  <mrs@apple.com>
8561
8562         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
8563         error.
8564
8565 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
8566
8567         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
8568         type correct.
8569
8570 2007-01-18  Jan Hubicka  <jh@suse.cz>
8571
8572         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
8573         greater than NUM_VOP_FREE_BUCKETS.
8574
8575 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
8576
8577         * tree-ssa-structalias.c: Update comments.
8578         (ptabitmap_obstack): Removed.
8579         (pta_obstack): New.
8580         (oldpta_obstack): Ditto.
8581         (stats): Add a few members.
8582         (struct variable_info): Remove node, complex, address_taken, and
8583         indirect_target members. Add oldsolution member.
8584         (new_var_info): Do not initialize removed members.
8585         (constraint_expr_type): Remove INCLUDES.
8586         (constraint_graph): Add size, implicit_preds, rep,
8587         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
8588         (FIRST_REF_NODE): New macro.
8589         (LAST_REF_NODE): Ditto.
8590         (FIRST_ADDR_NODE): Ditto.
8591         (find): New function.
8592         (unite): Ditto.
8593         (dump_constraint): Do not handle INCLUDES.
8594         (insert_into_complex): Do not insert duplicate constraints.
8595         (condense_varmap_nodes): Renamed and rewritten into ...
8596         (merge_node_constraints): This. Also fix bug in handling of
8597         offseted copy constraints.
8598         (clear_edges_for_node): No longer need to deal with preds at all,
8599         or removing associated preds/succs.
8600         (merge_graph_nodes): Deal with indirect_cycles.
8601         Don't deal with predecessors.
8602         (add_implicit_graph_edge): New function.
8603         (add_pred_graph_edge): Ditto.
8604         (add_graph_edge): Don't deal with predecessors.
8605         (build_constraint_graph): Removed.
8606         (build_pred_graph): New function.
8607         (build_succ_graph): Ditto.
8608         (struct scc_info): Removed in_component. Added roots, dfs, and
8609         node_mapping. Remove visited_index, unification_queue.
8610         (scc_visit): Deal with union-find we do now.
8611         Deal with cycles with REF nodes.
8612         (collapse_nodes): Renamed and rewritten to ...
8613         (unify_nodes): This.
8614         (process_unification_queue): Removed.
8615         (topo_visit): Cleanup
8616         (do_da_constraint): Use find.
8617         (do_sd_constraint): Ditto.
8618         (do_ds_constraint): Ditto.
8619         (do_complex_constraint): Ditto.
8620         (init_scc_info): Update for removed and added members.
8621         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
8622         (find_indirect_cycles): This.
8623         (equivalence_class): New variable.
8624         (label_visit): New function.
8625         (perform_variable_substitution): Rewritten.
8626         (free_var_substitution_info): New function.
8627         (find_equivalent_node): Ditto.
8628         (move_complex_constraints): Ditto.
8629         (eliminate_indirect_cycles): Ditto.
8630         (solve_graph): Only propagate changed bits.
8631         Use indirect cycle elimination.
8632         Use find.
8633         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
8634         (tree_id_eq): Renamed to ...
8635         (tree_vi_eq): This. Update for member change
8636         (insert_id_for_tree): Renamed and rewritten to ...
8637         (insert_vi_for_tree): This.
8638         (lookup_id_for_tree): Renamed and rewritten to ...
8639         (lookup_vi_for_tree): This.
8640         (get_id_for_tree): Renamed and rewritten to ...
8641         (get_vi_for_tree): Ditto.
8642         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
8643         (process_constraint): Don't handle INCLUDES.
8644         Remove special ADDRESSOF case.
8645         (find_func_aliases): Rewrite to use vi functions instead of id
8646         ones.
8647         (create_function_info_for): Ditto.
8648         (create_variable_info_for): Ditto.
8649         (intra_create_variable_infos): Ditto.
8650         (merge_smts_into): Ditto.
8651         (find_what_p_points_to): Ditto.
8652         (init_base_vars): Ditto.
8653         (init_alias_vars): Ditto.
8654         (remove_preds_and_fake_succs): New function.
8655         (dump_sa_points_to_info): Dump new stats.
8656         (dump_solution_for_var): Use find.
8657         (set_used_smts): Fix formatting.
8658         (compute_points_to_sets): Updated for new functions.
8659         (ipa_pta_execute): Ditto.
8660
8661 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8662             Richard Sandiford  <richard@codesourcery.com>
8663
8664         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
8665         parallels.
8666         * calls.c (expand_call): If the return value is a PARALLEL,
8667         extract its first member.
8668         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
8669         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8670         use FUNCTION_EXTRA_EPILOGUE.
8671         (m68k_function_value): Return a PARALLEL if the return value
8672         is of a pointer type.
8673         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
8674         (FUNCTION_EXTRA_EPILOGUE): Remove.
8675         * config/m68k/m68k.md (D0_REG): New constant.
8676
8677 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8678
8679         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
8680         output a NOP for empty epilogues.
8681
8682 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8683
8684         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
8685         before function.  Extend register save check to include all
8686         registers, not just integer ones.
8687
8688 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8689
8690         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
8691         (m68k_use_return_insn): ...this.
8692         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
8693         * config/m68k/m68k.c (use_return_insn): Rename to...
8694         (m68k_use_return_insn): ...this.
8695         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
8696         of USE_RETURN_INSN.
8697
8698 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8699
8700         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
8701         nearest even, fix denormal rounding overflow.
8702
8703 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8704
8705         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
8706         f%$smove and f%$move.
8707         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
8708         (extendsfdf2_cf): Use fdmove instead of f%&move.
8709         (truncdfsf2_cf): Use fsmove instead of f%$smove.
8710         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
8711
8712 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8713
8714         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
8715         GPR<-GPR moves.
8716
8717 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8718
8719         * real.h (real_format): Add a canonical_nan_lsbs_set field.
8720         (coldfire_single_format): Declare.
8721         (coldfire_double_format): Likewise.
8722         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
8723         of qnan_msb_set to determine the lower bits of a canonical
8724         NaN significand.
8725         (encode_ieee_double): Likewise.
8726         (encode_ieee_quad): Likewise.
8727         (ieee_single_format): Initialize canonical_nan_lsbs_set.
8728         (mips_single_format): Likewise.
8729         (ieee_double_format): Likewise.
8730         (mips_double_format): Likewise.
8731         (ieee_extended_motorola_format): Likewise.
8732         (ieee_extended_intel_96_format): Likewise.
8733         (ieee_extended_intel_128_format): Likewise.
8734         (ieee_extended_intel_96_round_53_format): Likewise.
8735         (ibm_extended_format): Likewise.
8736         (mips_extended_format): Likewise.
8737         (ieee_quad_format): Likewise.
8738         (mips_quad_format): Likewise.
8739         (vax_f_format): Likewise.
8740         (vax_d_format): Likewise.
8741         (vax_g_format): Likewise.
8742         (i370_single_format): Likewise.
8743         (i370_double_format): Likewise.
8744         (decimal_single_format): Likewise.
8745         (decimal_double_format): Likewise.
8746         (decimal_quad_format): Likewise.
8747         (c4x_single_format): Likewise.
8748         (c4x_extended_format): Likewise.
8749         (real_internal_format): Likewise.
8750         (coldfire_single_format): New real_format.
8751         (coldfire_double_format): Likewise.
8752         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
8753         canonical_nan_lsbs_set.
8754         (pdp11_d_format): Likewise.
8755         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
8756         if TARGET_COLDFIRE_CPU.
8757
8758 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8759
8760         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
8761         (output_call, m68k_legitimize_call_address): Declare.
8762         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
8763         parenthesees.  Add support for a 'W' constraint.
8764         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
8765         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
8766         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
8767         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
8768         variables.
8769         (override_options): Initialize them.  Do not set flag_no_function_cse
8770         for TARGET_ID_SHARED_LIBRARY.
8771         (m68k_output_pic_call): Delete.
8772         (m68k_legitimize_call_address): New function.
8773         (print_operand): Remove the %o prefix.  Handle the %p prefix.
8774         (output_call): New function.
8775         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
8776         target address from the GOT if symbolic jumps are not allowed.
8777         * config/m68k/m68k.md (call, general_operand): Do not set
8778         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
8779         Merge separate flag_pic and !flag_pic define_insns into...
8780         (*call, *call_value): ...these new patterns.  Match the address
8781         rather than the containing MEM and require it to be a call_operand.
8782         Use output_call to generate the asm template.
8783         * config/m68k/predicates.md (const_call_operand): New predicate.
8784         (call_operand): Likewise.
8785
8786 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8787
8788         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
8789         (STACK_GROWS_DOWNWARD): Define to 1.
8790         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
8791         comments, emphasizing that these values are only defaults.
8792         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
8793         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
8794
8795 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8796
8797         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
8798
8799 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
8800             Richard Sandiford  <richard@codesourcery.com>
8801
8802         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
8803         (FP_REGNO_P): New macros.
8804         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
8805         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
8806         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
8807         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
8808
8809 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8810
8811         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8812         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
8813         to $tmake_file.
8814         * config/m68k/t-floatlib: New file, extracting common code from...
8815         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
8816         * config/m68k/t-uclinux: Here.
8817         * config/m68k/fpgnulib.c: Do not compile extendeed precision
8818         routines on ColdFire targets.
8819
8820 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
8821
8822         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
8823         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
8824         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
8825         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
8826         explicitly set MOTOROLA to 1.
8827         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
8828
8829 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8830             Nathan Sidwell  <nathan@codesourcery.com>
8831
8832         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
8833         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
8834         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
8835         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
8836         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
8837         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
8838         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
8839         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
8840         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
8841         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8842         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
8843         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
8844         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
8845         (DBX_REGISTER_NUMBER): Delete.
8846         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
8847         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
8848         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
8849
8850 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8851
8852         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
8853         * config/flat.h: New file.
8854         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
8855         OBJECT_FORMAT_FLAT.
8856         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
8857         indirect references for -msep-data or -mid-shared-library.
8858         Do not use PC-relative code addresses either.
8859         * config/m68k/m68k.c (override_options): Restrict -fPIC error
8860         to -mpcrel.
8861         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
8862         for shared libraries and crt1.o for executables.  Use crti.o and
8863         crtbegin.o.
8864         (ENDFILE_SPEC): Use crtend.o and crtn.o.
8865         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
8866         Do not add -elf2flt or -shared-lib-id options here.
8867         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
8868         Pass -shared-lib-id if -mid-shared-library, taking the library
8869         identifier from -mshared-library-id if given, otherwise
8870         defaulting to 0.
8871         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
8872         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
8873         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
8874         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
8875         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
8876         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
8877         and crtend.o.
8878         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
8879         jump sequence for ISA A and ISA A+.
8880         (PICJUMP): Likewise.
8881
8882 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8883
8884         * config.gcc (m68k-*-uclinux*): Base the port on the common
8885         and m68k GNU/Linux files rather than on the generic ELF ones.
8886         * config/m68k/uclinux.h (TARGET_VERSION): Override.
8887         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
8888
8889 2007-01-18  Julian Brown  <julian@codesourcery.com>
8890             Richard Sandiford  <richard@codesourcery.com>
8891
8892         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
8893         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8894         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
8895         before redefining.
8896         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
8897         80 unconditionally.
8898         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
8899
8900 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
8901
8902         * doc/install.texi: Document m68k-uclinuxoldabi.
8903         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
8904         * config/m68k/uclinux-oldabi.h: New file, copied from
8905         config/m68k/uclinux.h.
8906
8907 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
8908
8909         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
8910         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
8911         (m32r_compute_frame_size): Use unsigned for regno.
8912         (m32r_reload_lr): Use gen_frame_mem.
8913         (pop): New.
8914         (m32r_output_function_epilogue): Don't output the function epilogue
8915         textually here.
8916         (m32r_expand_epilogue): New.
8917         (direct_return): Return false if the function has the interrupt
8918         attribute.
8919         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
8920         * config/m32r/m32r.md (epilogue): New expander.
8921         (return_lr, return_rte): New insns.
8922         (return): Make it expander.
8923         (return_normal): New expander.
8924
8925 2007-01-18  Josh Conner  <jconner@apple.com>
8926
8927         PR target/30485
8928         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
8929         support for UNLE, UNLT, UNGE, and UNGT.
8930
8931 2007-01-18  Jan Hubicka  <jh@suse.cz>
8932
8933         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
8934         * tree-tailcall (add_virtual_phis): Likewise.
8935         (optimize_tail_call): Return TODOs.
8936         (execute_tail_calls): Return TODOs.
8937         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
8938         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
8939         changed.
8940         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
8941         Cleanup cfg using TODO.
8942         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
8943         * passes.c (execute_function_todo): When cleanup did something, remove
8944         unused locals.
8945         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
8946         (make_edges): Don't cleanup_cfg.
8947
8948 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
8949
8950         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
8951         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
8952         operate on the top of stack.
8953         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
8954         register handling of instructions that output to the second
8955         stack slot.
8956         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
8957         (move_for_stack_reg): Special-case check for dead destination
8958         stack slot for constant load of 1.0 inside UNSPEC_TAN.
8959
8960         * config/i386/i386.md (UNSPEC_TAN): New constant.
8961         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
8962         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
8963         to correctly model move of constant 1.0 to top stack slot.
8964         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
8965         (unnamed peephole2 pattern): Remove corresponding peephole2
8966         pattern that optimizes tan insn and loading of constant 1.0.
8967         (tanxf2): Use fptanxf4_i387.
8968         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
8969         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
8970         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
8971         disable patterns for SSE math.
8972         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
8973         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
8974
8975 2007-01-18  Dirk Mueller  <dmueller@suse.de>
8976             Richard Guenther <rguenther@suse.de>
8977
8978         PR diagnostic/8268
8979         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
8980         * common.opt (Warray-bounds): Add new warning option.
8981         * c-opts.c (c_common_handle_option): Define -Warray-bounds
8982         if -Wall is given.
8983         * Makefile.in: make tree-vrp.o depend on toplev.h
8984         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
8985         is enabled.
8986         (check_array_refs, check_array_bounds, check_array_ref): New.
8987
8988 2007-01-18  Jan Hubicka  <jh@suse.cz>
8989
8990         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
8991         (execute_ssa_ccp): Return flags conditionally.
8992         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
8993         changed.
8994         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
8995
8996 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
8997
8998         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
8999         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
9000
9001         * Makefile.c (GTFILES): Add cfglayout.h.
9002         * gengtype.c (open_base_files): Likewise.
9003         * cfglayout.c (cfg_layout_function_footer,
9004         cfg_layout_function_header) Reindent to make gengtype happy.
9005         * cfglayout.h (cfg_layout_function_footer,
9006         cfg_layout_function_header): Add GTY(()) marker.
9007
9008         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
9009
9010 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9011
9012         * genautomata.c (write_automata): Include xstrerror output in the
9013         error message if writing the DFA description file fails.
9014
9015 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
9016
9017         * config/mips/mips-protos.h (mips_output_external): Make it
9018         return void.
9019         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
9020         * config/mips/mips.c (irix_output_external_libcall): Likewise.
9021         (extern_list): Likewise.
9022         (extern_head): Likewise.
9023         (TARGET_ASM_FILE_END): Likewise.
9024         (mips_file_end): Likewise.
9025         (mips_output_external): Rewritten.
9026
9027 2007-01-18  Ben Elliston  <bje@au.ibm.com>
9028
9029         * genpreds.c (write_insn_preds_c): Only write out the function
9030         body for regclass_for_constraint if we have register constraints.
9031
9032 2007-01-17  Tom Tromey  <tromey@redhat.com>
9033
9034         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
9035         * doc/install.texi (Testing): Use sourceware.org.
9036         (Binaries): Likewise.
9037         (Specific): Likewise.
9038         * doc/contrib.texi (Contributors): Use sourceware.org.
9039
9040 2007-01-17  Anatoly Sokolov <aesok@post.ru>
9041
9042         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
9043         (AVR_ENHANCED): Rename to ...
9044         (AVR_HAVE_MUL): ... new.
9045         (avr_enhanced_p): Rename to ...
9046         (avr_have_mul_p): ... new.
9047         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
9048         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
9049         * config/avr/avr.c (avr_enhanced_p): Rename to ...
9050         (avr_have_mul_p): ... new.
9051         (base_arch_s): Rename 'enhanced' to 'have_mul'.
9052         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
9053         'avr_enhanced_p' and 'enhanced'.
9054         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
9055         AVR_HAVE_MUL instead of AVR_ENHANCED.
9056         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9057         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
9058         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
9059         instead of AVR_ENHANCED.
9060         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
9061         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
9062         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
9063
9064 2007-01-17  Ian Lance Taylor  <iant@google.com>
9065
9066         * vec.h (VEC_reserve_exact): Define.
9067         (vec_gc_p_reserve_exact): Declare.
9068         (vec_gc_o_reserve_exact): Declare.
9069         (vec_heap_p_reserve_exact): Declare.
9070         (vec_heap_o_reserve_exact): Declare.
9071         (VEC_OP (T,A,reserve_exact)): New static inline function, three
9072         versions.
9073         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
9074         negative parameter.
9075         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
9076         (VEC_OP (T,A,copy)) [all versions]: Likewise.
9077         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
9078         * vec.c (calculate_allocation): Add exact parameter.  Change all
9079         callers.
9080         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
9081         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
9082         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
9083         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
9084         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
9085         (vec_heap_p_reserve_exact): New function.
9086         (vec_heap_o_reserve_exact): New function.
9087
9088 2007-01-17  Jan Hubicka  <jh@suse.cz>
9089
9090         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
9091
9092 2007-01-17  Eric Christopher  <echristo@apple.com>
9093
9094         * config.gcc: Support core2 processor.
9095
9096 2007-01-16  Jan Hubicka  <jh@suse.cz>
9097
9098         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
9099         the names, just unlink the chain so we don't crash on dangling pointers
9100         to dead SSA names.
9101
9102 2007-01-16  Jan Hubicka  <jh@suse.cz>
9103
9104         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
9105         * tree-pass.h: Reorder to make IPA passes appear toegher.
9106         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
9107         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
9108         parameters, do not call early inliner.
9109         * ipa-inline.c: Update comments.  Include tree-flow.h
9110         (cgraph_decide_inlining): Do not compute inlining parameters.
9111         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
9112         be called with function context set up.
9113         (pass_ipa_inline): Remove unreachable functions before pass.
9114         (cgraph_early_inlining): Simplify assuming to be called from the
9115         PM as local pass.
9116         (pass_early_inline): New pass.
9117         (cgraph_gate_ipa_early_inlining): New gate.
9118         (pass_ipa_early_inline): Turn into simple wrapper.
9119         (compute_inline_parameters): New function.
9120         (gate_inline_passes): New gate.
9121         (pass_inline_parameters): New pass.
9122         (apply_inline): Move here from tree-optimize.c
9123         (pass_apply_inline): New pass.
9124         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
9125         transforming.
9126         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
9127         doing them by hand.
9128         (tree_function_versioning): Do not allocate dummy struct function.
9129         * tree-inline.h (optimize_inline_calls): Update prototype.
9130         * tree-optimize.c (execute_fixup_cfg): Export.
9131         (pass_fixup_cfg): Remove
9132         (tree_rest_of_compilation): Do not apply inlines.
9133         * tree-flow.h (execute_fixup_cfg): Declare.
9134         * Makefile.in (gt-passes.c): New.
9135         * passes.c: Include gt-passes.h
9136         (init_optimization_passes): New passes.
9137         (nnodes, order): New static vars.
9138         (do_per_function_toporder): New function.
9139         (execute_one_pass): Dump current pass here.
9140         (execute_ipa_pass_list): Don't dump current pass here.
9141
9142 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
9143
9144         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
9145         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
9146
9147 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
9148
9149         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
9150         (strong_alias): Define.
9151         (__gcc_qmul): Provide non-FMA for soft-float.
9152         (__gcc_qdiv): Same.
9153         (__gcc_qneg): New.
9154         (__gcc_qeq): New.
9155         (__gcc_qle): New.
9156         (__gcc_qge): New.
9157         (__gcc_qunord): New.
9158         (__gcc_stoq): New.
9159         (__gcc_dtoq): New.
9160         (__gcc_qtos): New.
9161         (__gcc_qtod): New.
9162         (__gcc_qtoi): New.
9163         (__gcc_qtou): New.
9164         (__gcc_itoq): New.
9165         (__gcc_utoq): New.
9166         (fmsub): New.
9167         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
9168         soft-float functions.
9169         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
9170         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
9171         about long double soft float.
9172
9173 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
9174             Tehila Meyzels  <tehila@il.ibm.com>
9175
9176         * tree-vectorizer.h (is_pattern_stmt_p): New.
9177         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
9178         formatting (tabs instead of spaces). Cleanup and clarify setting
9179         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
9180         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
9181         (vectorizable_type_demotion): Check that types are integral.
9182         (vectorizable_type_promotion): Likewise.
9183         (vectorizable_store): Fix typo.  Eliminate new-line at end of
9184         comments.
9185
9186 2007-01-16  Jan Hubicka  <jh@suse.cz>
9187
9188         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
9189         cgraph edges too.
9190
9191 2007-01-15  Eric Christopher  <echristo@apple.com>
9192
9193         * ifcvt.c: Include vec.h, vecprim.h.
9194         (check_cond_move_block): New argument regs.
9195         Reorganize. Add registers used to regs.
9196         (cond_move_process_if_block): Use regs set above as
9197         loop bounds.
9198
9199 2007-01-15  Eric Christopher  <echristo@apple.com>
9200
9201         * config/darwin.h: Update copyright.
9202         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
9203         (LINK_COMMAND_SPEC): Add -u.
9204         (LINK_SPEC): Fix umbrella for above.
9205
9206 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
9207
9208         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
9209         glibc CVS.
9210
9211 2007-01-15  Tom Tromey  <tromey@redhat.com>
9212
9213         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
9214         * doc/install.texi (Testing): Don't mention jacks.
9215         (Configuration): Document --enable-java-maintainer-mode.  Move
9216         --with-java-home to libgcj-specific section.  Document
9217         --with-ecj-jar.
9218         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
9219
9220 2007-01-15  Jan Hubicka  <jh@suse.cz>
9221
9222         * tree-ssa-dce.c (DCE_TODOs): New.
9223         (propagate_necessity): Return if something changed.
9224         (eliminate_unnecessary_stmts): Likewise.
9225         (perform_tree_ssa_dce): Return TODO flags when needed.
9226         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
9227
9228 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
9229
9230         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
9231         (fyl2x_extend<mode>xf3_i387): New insn pattern.
9232         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
9233         patterns using X87MODEF12 mode macro.  Extend operand 1
9234         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
9235         (log10<mode>2): Ditto.
9236         (log2<mode>2): Ditto.
9237         (log1p<mode>2): Ditto.
9238         (logb<mode>2): Ditto.
9239         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
9240         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
9241         (*fxtractxf3_i387): Rename from *fxtractxf3.
9242         (fxtract_extend<mode>xf3_i387): New insn pattern.
9243         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
9244         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
9245         and gen_fyl2xxf3_i387().
9246
9247 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
9248
9249         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
9250         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
9251         get_loop_exit_edges.  Changed return type to bool.
9252         * cfgloop.h (fix_loop_placement): Declaration removed.
9253
9254 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
9255
9256         * param.h (MIN_VECT_LOOP_BOUND): New.
9257         * params.def (MIN_VECT_LOOP_BOUND): New.
9258         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
9259         argument - minimum threshold for number of iterations.
9260         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
9261         argument to declaration.
9262         * tree-vect-analyze.c (vect_analyze_operations): Check value of
9263         MIN_VECT_LOOP_BOUND.
9264         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
9265         slpeel_tree_peel_loop_to_edge with additional argument.
9266         (vect_do_peeling_for_alignment): Likewise.
9267         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
9268
9269 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
9270
9271         PR target/30413
9272         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
9273         operands of size 1.
9274
9275 2007-01-14  Jan Hubicka  <jh@suse.cz>
9276
9277         * tree-dfa.c (remove_referenced_var): New function.
9278         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
9279         prune referenced vars list too.
9280         * tree-flow.h (remove_referenced_var): Declare.
9281
9282 2007-01-14  Jan Hubicka  <jh@suse.cz>
9283
9284         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
9285         separately.
9286         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
9287         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
9288         * except.h (verify_eh_throw_table_statements): Kill prototype.
9289         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
9290         into call exrepssions.
9291         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
9292         eh trhow verifier.
9293         * tree-cfg.c: Include pointer-set.h.
9294         (verify_node_sharing): Work on pointer set.
9295         (verify_eh_throw_stmt_node): New.
9296         (verify_stmts): Use pointers sets, verify throw_stmt.
9297
9298 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
9299
9300         * ipa-reference.c (analyze_function): Consider also addresses taken
9301         in phi nodes.
9302
9303 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9304
9305         * c-typeck.c (null_pointer_constant_p): Replace use of
9306         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9307         (build_c_cast): Likewise.
9308
9309 2007-01-12  Roger Sayle  <roger@eyesopen.com>
9310
9311         * tree.h (force_fit_type_double): Remove unused final argument.
9312         * c-common.c (constant_expression_warning): Replace use of
9313         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9314         (convert_and_check): Likewise.
9315         (shorten_compare): Update call to force_fit_type_double.
9316         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
9317         * convert.c (convert_to_pointer): Update call to
9318         force_fit_type_double.
9319         * fold-const.c (force_fit_type_double): Remove overflowed_const
9320         argument.
9321         (int_const_binop, fold_convert_const_int_from_int,
9322         fold_convert_const_int_from_real, fold_div_compare,
9323         fold_sign_changed_comparison, fold_unary, fold_negate_const,
9324         fold_abs_const, fold_not_const): Remove the final argument from
9325         calls to force_fit_type_double.
9326
9327 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9328
9329         * configure.ac: Set insn to "nop" for spu-*-* also.
9330         * configure: Regenerate.
9331
9332 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
9333
9334         * builtins.def : Add BUILT_IN_FREE.
9335
9336 2007-01-12  Jan Hubicka  <jh@suse.cz>
9337
9338         PR tree-optimization/30443
9339         * tree-inline.c (tree_function_versioning): Do not optimize when
9340         cloning for inlining.
9341
9342 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
9343
9344         * doc/loop.texi: Document recording of loop exits.
9345         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
9346         (update_single_exits_after_duplication,
9347         update_single_exit_for_duplicated_loop,
9348         update_single_exit_for_duplicated_loops): Removed.
9349         (duplicate_loop_to_header_edge): Do not call
9350         update_single_exits_after_duplication and
9351         update_single_exit_for_duplicated_loops.
9352         (loop_version): Do not update single_exit information.
9353         (fix_loop_structure): Use record_loop_exits instead of
9354         mark_single_exit_loops.
9355         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
9356         the lists of loop exits.
9357         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
9358         split_edge, merge_blocks): Update the lists of loop exits.
9359         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
9360         loop_optimizer_init.
9361         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
9362         of mark_single_exit_loops.
9363         (loop_optimizer_finalize): Call release_recorded_exits.
9364         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
9365         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
9366         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
9367         update single exit information.
9368         * lambda-code.c (perfect_nestify): Ditto.
9369         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
9370         (mark_single_exit_loops): Removed.
9371         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
9372         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
9373         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
9374         functions.
9375         (get_loop_exit_edges, single_exit): Use recorded exit lists.
9376         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
9377         (verify_loop_structure): Verify consistency of the exit lists.
9378         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
9379         (set_single_exit): Removed.
9380         * cfgloop.h (struct loop_exit): New function.
9381         (struct loop): single_exit_ field replaced by exits field.
9382         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
9383         (struct loops): Added exits hash.
9384         (mark_single_exit_loops, set_single_exit): Declaration removed.
9385         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
9386
9387 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9388
9389         * doc/invoke.texi: Avoid use of @headitem.
9390
9391 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9392
9393         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
9394
9395 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9396
9397         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
9398         list of targets.
9399
9400 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9401             Richard Sandiford  <richard@codesourcery.com>
9402
9403         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
9404         * config/m68k/m68k.opt: Resort options.
9405         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
9406
9407 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9408             Richard Sandiford  <richard@codesourcery.com>
9409
9410         * doc/invoke.texi: Document the macros that are defined by
9411         m68k's -mtune and -mhard-float options.
9412         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
9413         (m68k_cpp_cpu_family): Likewise.
9414         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
9415         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
9416         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
9417         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
9418         (m68k_cpp_cpu_family): Likewise.
9419
9420 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9421
9422         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
9423         macros besides mc68000 as tuning macros.  Use a switch statement
9424         to set them and mcpu32.
9425
9426 2007-01-12  Julian Brown  <julian@codesourcery.com>
9427
9428         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
9429         (TARGET_68040_ONLY): Rename to...
9430         (TARGET_68040): ...this.
9431         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
9432         * config/m68k/m68k.md: Likewise.
9433
9434 2007-01-12  Julian Brown  <julian@codesourcery.com>
9435             Nathan Sidwell  <nathan@codesourcery.com>
9436             Richard Sandiford  <richard@codesourcery.com>
9437
9438         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
9439         the -mcpu= argument associated with the --with-cpu setting.
9440         Define M68K_DEFAULT_TUNE to the default -mtune= option,
9441         if different from the one implied by the -mcpu setting.
9442         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
9443         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
9444         * doc/invoke.texi: Mention ColdFire in the introduction to the
9445         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
9446         -mno-div and -mhard-float options.  Make -m68881 a synonym for
9447         -mhard-float.  Document the previously-undocumented -m5206e,
9448         -m528x, -m5307 and -m5407 options.  Tweak the existing option
9449         documentation for consistency.
9450         * doc/install.texi: Mention new --with-cpu arguments.
9451         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
9452         default CPU if neither -mcpu nor -march are specified.
9453         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
9454         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
9455         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
9456         using m68k_tune to decide between families that implement the
9457         same ISA.  Use m68k_tune to set __mcfv4e__.
9458         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
9459         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
9460         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
9461         (FL_ISA_C, FL_ISA_MMU): New macros.
9462         (MASK_COLDFIRE): Delete.
9463         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
9464         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
9465         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
9466         (TARGET_HARD_FLOAT): Do not define here.
9467         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
9468         (TUNE_68000): New macro.
9469         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
9470         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
9471         (TUNE_CFV2): Redefine in terms of m68k_tune.
9472         (uarch_type, target_device, fpu_type): New enums.
9473         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
9474         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
9475         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
9476         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
9477         (FL_FOR_isa_c): New macros.
9478         (m68k_isa): New enum.
9479         (m68k_target_selection): New structure.
9480         (all_devices, all_isas, all_microarchs): New tables.
9481         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
9482         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
9483         (MASK_ALL_CPU_BITS): Delete.
9484         (m68k_find_selection): New function.
9485         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
9486         Map the legacy target options to a combination of the new ones.
9487         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
9488         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
9489         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
9490         settings.
9491         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
9492         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
9493         properties.
9494         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
9495         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
9496         * config/m68k/m68k-devices.def: New file.
9497
9498 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9499             Nathan Sidwell  <nathan@codesourcery.com>
9500
9501         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
9502         (SUBTARGET_EXTRA_SPECS): New macros.
9503         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
9504         use %(asm_cpu_spec) instead.
9505         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
9506         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
9507         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
9508         (EXTRA_SPECS): Rename to...
9509         (SUBTARGET_EXTRA_SPECS): ...this.
9510
9511 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
9512             Richard Sandiford  <richard@codesourcery.com>
9513             Julian Brown  <julian@codesourcery.com>
9514
9515         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
9516         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
9517         to the configuration's default CPU.
9518         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
9519         Remove default masks.
9520         (m680[012]0-*-*): Set the default with_cpu to the first part of
9521         the target name.
9522         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
9523         (m68k*-*-linux): Extend the --with-cpu handling to...
9524         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
9525         and m68010.  Don't set target_cpu_default2.
9526         * doc/install.texi: Document --with-cpu for m68k.
9527         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
9528         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
9529         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
9530         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
9531         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
9532         (ASM_SPEC): Remove use of %(asm_cpu_default).
9533         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
9534         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
9535         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
9536         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
9537         __HAVE_FPU__ if TARGET_HARD_FLOAT.
9538         (TARGET_DEFAULT): Delete.
9539         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
9540         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
9541         (CPP_CPU_SPEC): Delete.
9542         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
9543         the appropriate string.
9544         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
9545         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
9546         (ASM_SPEC): Don't use %(asm_default_spec).
9547         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9548         TARGET_DEFAULT and add MASK_68881.
9549         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
9550
9551 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9552
9553         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
9554         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
9555         MASK_68010 alongside MASK_68020.
9556         * doc/invoke.texi: Document -m68010.
9557         * config/m68k/m68k.opt (m68010): New.
9558         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
9559         if TUNE_68010.
9560         (TUNE_68010): New macro.
9561         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
9562         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
9563         (M68K_CPU_m68332): Add MASK_68010.
9564         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
9565         fallback definition.
9566         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
9567         defines.
9568         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
9569         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
9570         to all entries that use MASK_68020.
9571         (output_move_simode_const, output_move_himode, output_move_qimode)
9572         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
9573         instead of TARGET_68020 to select clr behavior.  Remove comment
9574         about there being no TARGET_68010.
9575         * config/m68k/m68k.md: Likewise throughout.
9576
9577 2007-01-12  Julian Brown  <julian@codesourcery.com>
9578
9579         * config/m68k/m68k.h (TARGET_ISAB): New macro.
9580         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
9581         * config/m68k/m68k.md: Likewise.
9582
9583 2007-01-12  Julian Brown  <julian@codesourcery.com>
9584
9585         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
9586         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
9587
9588 2007-01-12  Julian Brown  <julian@codesourcery.com>
9589
9590         * config/m68k/m68k.h (TUNE_68040_60): New macro.
9591         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
9592         * config/m68k/m68k.md: Likewise.
9593
9594 2007-01-12  Julian Brown  <julian@codesourcery.com>
9595             Richard Sandiford  <richard@codesourcery.com>
9596
9597         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
9598         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
9599         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
9600         TARGET_CPU32.
9601         (TARGET_CPU32): Rename to...
9602         (TUNE_CPU32): ...this.
9603         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
9604         (TUNE_CFV2): New macros.
9605         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
9606         remove conditions that are implied by TARGET_68020.
9607         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
9608         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
9609         (m68k_output_function_epilogue): Likewise.
9610         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
9611         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
9612         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
9613         non-68000 timings.  Refactor multiplication and division costs.
9614         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
9615         TUNE_CPU32 instead of TARGET_CPU32.
9616         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
9617         and TUNE_68060 instead of TARGET_68060.
9618         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
9619         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
9620         TARGET_CPU32.
9621         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
9622         && !TARGET_COLDFIRE" to choose between moveq and clr.
9623         Likewise in the unnamed movsf pattern.
9624         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
9625         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
9626         ashiftrt pattern.
9627
9628 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
9629
9630         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
9631         of tabbing before backslashes.
9632
9633 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9634
9635         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
9636         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
9637         (ASM_OUTPUT_INTERNAL_LABEL): Define.
9638
9639 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9640
9641         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
9642         find_interesting_uses_cond.
9643         (find_interesting_uses_cond): Use extract_cond_operands.
9644         (rewrite_use_compare): Use extract_cond_operands and
9645         force_gimple_operand_bsi.  Do not call update_stmt.
9646         (determine_use_iv_cost_condition): Use extract_cond_operands.
9647         Return cheaper of using original bound and changing the exit bound.
9648
9649 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
9650
9651         PR tree-optimization/29516
9652         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
9653         most_expensive_mult_to_index, addr_to_parts,
9654         create_mem_ref, maybe_fold_tmr): Make the type of
9655         fields of TARGET_MEM_REF sizetype.
9656         (move_fixed_address_to_symbol, move_pointer_to_base):
9657         New functions.
9658         * tree.def (TARGET_MEM_REF): Add comment on types of
9659         the operands.
9660
9661 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
9662
9663         * c-common.c (vector_types_convertible_p): Treat opaque types as
9664         always convertible if they have the same size, but not otherwise.
9665
9666 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
9667
9668         * ifcvt.c (struct noce_if_info): Add comments to the fields.
9669         Remove the b_unconditional field.
9670         (noce_try_sign_mask): Do not look at b_unconditional.
9671         (noce_process_if_block): Do not use merge_if_blocks.  Update
9672         the CFG here.  Do not set b_unconditional.
9673         (cond_move_process_if_block): Likewise.
9674         (find_cond_trap): Likewise.
9675         (check_cond_move_block): Require simple jump insns at the end
9676         of the basic block.
9677
9678 2007-01-11  Jan Hubicka  <jh@suse.cz>
9679
9680         PR tree-optimization/1046
9681         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
9682         when alias info is not ready.
9683         (pass_tail_recursion): Do not require aliasing.
9684         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
9685         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
9686         * tree-ssa-copy.c (pass_copy_prop): Likewise.
9687         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
9688         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
9689         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
9690         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
9691         before inlining.
9692         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
9693         When aliasing is not build, mark statement as volatile.
9694
9695 2007-01-11  Tom Tromey  <tromey@redhat.com>
9696
9697         PR preprocessor/15185, PR preprocessor/20989:
9698         * doc/cppopts.texi <-MT>: Update description of algorithm for
9699         computing default target.
9700         <-M, -MD>: Reword "basename" text.
9701
9702 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9703
9704         * builtins.c (expand_builtin_pow, expand_builtin_powi,
9705         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
9706         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9707         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
9708         fold_builtin_bswap, real_constp, fold_builtin_pow,
9709         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
9710         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
9711         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
9712         * convert.c (convert_to_pointer): Likewise.
9713         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
9714         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
9715         const_binop, fold_convert_const_int_from_int,
9716         fold_convert_const_int_from_real,
9717         fold_convert_const_real_from_real, sign_bit_p,
9718         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
9719         fold_sign_changed_comparison, fold_unary, fold_comparison,
9720         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
9721         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
9722         * print-tree.c (print_node_brief, print_node): Likewise.
9723         * stor-layout.c (place_field, layout_type): Likewise.
9724         * tree-chrec.c (keep_cast): Likewise.
9725         * tree.c (build_vector, build_real, build_real_from_int_cst,
9726         build_complex): Likewise.
9727
9728 2007-01-11  Roger Sayle  <roger@eyesopen.com>
9729
9730         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
9731         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
9732
9733 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
9734
9735         * configure.ac (strict1_warn): Rename to strict_warn.
9736         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
9737         cc_set_by_configure, quoted_cc_set_by_configure,
9738         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
9739         all_boot_languages, all_stagestuff): Remove.
9740         (target_list): Remove bootstrap targets.
9741         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
9742         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
9743         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
9744         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
9745         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
9746         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
9747         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
9748         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
9749         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
9750         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
9751         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
9752         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
9753         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
9754         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
9755         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
9756         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
9757         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
9758         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
9759         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
9760         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
9761         (mostlyclean): Adjust.
9762         (clean, distclean): Don't mention bootstrap stuff.
9763         * configure: Regenerate.
9764         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
9765         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
9766         treelang/config-lang.in (stagestuff): Remove.
9767         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
9768         stageprofile, stagefeedback, stagestuff): Remove mention.
9769
9770 2007-01-11  Nick Clifton  <nickc@redhat.com>
9771
9772         * config/mcore/predicates.md (mcore_general_movesrc_operand):
9773         Accept CONSTs.
9774         (mcore_general_movdst_operand): Do not accept CONST_INTs.
9775         (mcore_arith_K_S_operand): Run the test for the S constraint not
9776         the test for the M constraint.
9777         (mcore_addsub_operand): Do not accept integer values that are
9778         larger than 32 bits.
9779         * config/mcore/mcore.md: Remove unused constraints from split.
9780         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
9781         (addsi3): Likewise.
9782         (allocate_stack): Likewise.
9783         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
9784         operands to 32 bits.
9785         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
9786         INTVAL.
9787         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
9788         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
9789         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
9790         mcore_output_bclri, mcore_output_andn, output_inline_const,
9791         mcore_output_move, mcore_output_movedouble): Likewise.
9792         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
9793         (output_inline_const): Likewise.
9794         (output_inline_const): Fix format strings used in sprintf
9795         statements.
9796         * config/mcore/mcore-protos.h: Update prototypes for changed
9797         functions in mcore.c.
9798         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
9799         HOST_WIDE_INT and not int.
9800         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
9801         CONST_OK_FOR_N): Likewise.
9802         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
9803         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
9804         an INTVAL.
9805
9806 2007-01-10  Jan Hubicka  <jh@suse.cz>
9807
9808         * tree-vrp.c (remove_range_assertions): Release defs.
9809         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
9810         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
9811
9812 2007-01-10  Paul Brook  <paul@codesourcery.com>
9813
9814         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
9815         * config/arm/arm.md (mulsi3subsi): New insn.
9816
9817 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
9818
9819         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
9820         (tree_transform_and_unroll_loop): New.
9821         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
9822         Declare.
9823
9824 2007-01-10  Robert Kennedy <jimbob@google.com>
9825
9826         * fold-const.c (fold_comparison): Fold comparisons like (x *
9827         1000 < 0) to (x < 0).
9828
9829 2007-01-10  Ian Lance Taylor  <iant@google.com>
9830
9831         * tree-pretty-print.c (dump_generic_node): Print parentheses when
9832         operands have the same priority.
9833
9834 2007-01-10  Tom Tromey  <tromey@redhat.com>
9835
9836         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
9837         (fold_binary): Likewise.
9838         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
9839         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
9840         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
9841         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
9842         * langhooks.h (struct lang_hooks): Removed field
9843         'can_use_bit_fields_p'.
9844
9845 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
9846
9847         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
9848
9849 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
9850
9851         * function.c (get_last_funcdef_no): New function.
9852         * function.h (get_last_funcdef_no): Declare.
9853         * tree-inline.c (initialize_cfun): Add initialization.
9854         (tree_function_versioning): Cleanup.
9855
9856 2007-01-10  Jan Hubicka  <jh@suse.cz>
9857
9858         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
9859         PHIs.
9860
9861 2007-01-10  Sa Liu  <saliu@de.ibm.com>
9862             Ben Elliston  <bje@au.ibm.com>
9863
9864         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
9865         for SAVE_NONLOCAL and Pmode for any other save level.
9866         * spu-protos.h (spu_restore_stack_block): Declare.
9867         * spu.md (save_stack_block): Remove.
9868         (restore_stack_block): Call spu_restore_stack_block.
9869         * spu.c (spu_restore_stack_block): New function.
9870         (spu_expand_epilogue): Remove old comment.
9871
9872 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
9873
9874         PR tree-optimization/30322
9875         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
9876         (cand_value_at): Return the value as aff_tree.
9877         (may_eliminate_iv): Convert the bound from aff_tree to tree.
9878         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
9879         aff_combination_mult): New functions.
9880         (aff_combination_add): Use aff_combination_add_cst.
9881         (aff_combination_convert): Allow conversions to a wider type.
9882         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
9883         * tree-affine.h (aff_combination_mult): Declare.
9884
9885 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
9886
9887         * doc/tm.texi: Update documentation to reflect reality of exec
9888         and start file search behaviours. Update copyright year.
9889         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
9890         header file directories.
9891
9892 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
9893
9894         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
9895         (*cosxf2): Rename to cosxf2_i387.
9896         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
9897         using X87MODEF12 mode macro. Rename patterns to
9898         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
9899         for SSE math.
9900         (*cosdf2, *cossf2): Ditto.
9901         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
9902         to match extended input operands.
9903         (sincos<mode>3): New expander.
9904         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
9905         insn patterns and corresponding splitters.
9906
9907 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
9908
9909         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
9910         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
9911
9912 2007-01-09  Nicolas Pitre  <nico@cam.org>
9913
9914         PR target/30173
9915         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
9916
9917 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9918
9919         * target.h (struct gcc_target): New field library_rtti_comdat.
9920         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
9921         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
9922         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
9923         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
9924
9925 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
9926
9927         * doc/invoke.texi (Optimize Options): Correct description of -O0.
9928
9929 2007-01-08  Richard Guenther  <rguenther@suse.de>
9930
9931         * tree.h (force_fit_type_double): Export.
9932         (force_fit_type): Remove.
9933         * fold-const.c (force_fit_type_double): New function.
9934         (force_fit_type): Remove.
9935         (int_const_binop): Use it.
9936         (fold_convert_const_int_from_int): Likewise.
9937         (fold_convert_const_int_from_real): Likewise.
9938         (fold_div_compare): Likewise.
9939         (fold_sign_changed_comparison): Likewise.
9940         (fold_unary): Likewise.
9941         (fold_negate_const): Likewise.
9942         (fold_abs_const): Likewise.
9943         (fold_not_const): Likewise.
9944         * c-common.c (shorten_compare): Use force_fit_type_double.
9945         * convert.c (convert_to_pointer): Likewise.
9946
9947 2007-01-08  Richard Guenther  <rguenther@suse.de>
9948
9949         * tree.h (build_int_cst_wide_type): Export.
9950         * tree.c (build_int_cst_wide_type): New function.
9951         (build_int_cst_wide): Fix comment.
9952         * builtins.c (fold_builtin_object_size): Use build_int_cst
9953         to build -1 or 0 of the correct type.  Use fit_double_type
9954         to check for overflow.
9955         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
9956         to build the mask.
9957         (decode_field_reference): Likewise.
9958         (all_ones_mask_p): Likewise.
9959         (native_interpret_int): Use build_int_cst_wide_type.
9960         (fold_binary): Use build_int_cst_type to build an all-ones
9961         value.
9962         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
9963
9964 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
9965
9966         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
9967
9968 2007-01-09  Ben Elliston  <bje@au.ibm.com>
9969
9970         * genautomata.c (STATS_OPTION): New option.
9971         (stats_flag): New flag.
9972         (gen_automata_option): Handle it.
9973         (initiate_automaton_gen): Ditto.
9974         (write_automata): Output statistics only if stats_flag is
9975         set. Likewise, output time statistics only if time_flag is set.
9976         * doc/md.texi (Processor pipeline description): Document new flag.
9977
9978 2007-01-08  Richard Guenther  <rguenther@suse.de>
9979
9980         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
9981         * tree.c (build_int_cst_type): Likewise.
9982         (size_in_bytes): Don't call force_fit_type on the result.
9983         (int_fits_type_p): Use fit_double_type.
9984         * fold-const.c (fit_double_type): New function.
9985         (force_fit_type): Use it.
9986         * tree.h (fit_double_type): Export.
9987
9988 2007-01-08  Jan Hubicka  <jh@suse.cz>
9989
9990         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
9991         * ipa.c (function_and_variable_visibility): Fix return type.
9992
9993 2007-01-08  Richard Guenther  <rguenther@suse.de>
9994
9995         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
9996         of offset to build the index.
9997         * tree-pretty-print.c (dump_generic_node): Don't build negated
9998         const just for printing.
9999         * c-pretty-print.c (pp_c_integer_constant): Likewise.
10000         * builtins.c (fold_builtin_int_roundingfn): Check if result
10001         fits the type by using force_fit_type and comparing the result.
10002         * predict.c (predict_loops): Use compare_tree_int for comparison.
10003         * tree.c (build_int_cst): Fall back to integer_type_node for
10004         NULL_TREE type.
10005         (build_int_cst_wide): Assert type is non-null.
10006
10007 2007-01-08  Roberto Costa  <roberto.costa@st.com>
10008
10009         * tree-vrp.c (extract_range_from_cond_expr): New.
10010         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
10011         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
10012         as expressions.
10013         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
10014         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
10015         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
10016         used as expressions.
10017         * tree-object-size.c (cond_expr_object_size): New.
10018         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
10019
10020 2007-01-08  Jan Hubicka  <jh@suse.cz>
10021
10022         * tree-ssa-forwprop.c (forward_propagate_into_cond,
10023         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
10024         statement.
10025
10026 2007-01-08  Richard Guenther  <rguenther@suse.de>
10027
10028         PR tree-optimization/23603
10029         * tree-vrp.c (set_value_range_to_truthvalue): New function.
10030         (extract_range_from_binary): Fall back to truthvalue instead of
10031         varying for TRUTH_*_EXPR.
10032         (extract_range_from_comparison): Fall back to truthvalue instead of
10033         varying.
10034         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
10035         if all visited PHI values were constant.
10036
10037 2007-01-08  Jan Hubicka  <jh@suse.cz>
10038
10039         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
10040         (cgraph_analyze_function): break out from ...
10041         (cgraph_finalize_compilation_unit): ... here.
10042         (cgraph_expand_function): Remove forgoten commented out line.
10043         (cgraph_optimize): Analyze functions.
10044
10045 2007-01-08  Jan Hubicka  <jh@suse.cz>
10046
10047         * tree-pas.h (TODO_remove_function): New flag.
10048         (TODO_update*): Renumber.
10049         (pass_ipa_increase_alignment,
10050         pass_ipa_function_and_variable_visibility): New passes.
10051         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
10052         (cgraph_function_and_variable_visibility): Move to ipa.c
10053         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
10054         cgraph_increase_alignment.
10055         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
10056         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
10057         calling tree-inline.
10058         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
10059         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
10060         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
10061         (gate_increase_alignment): New function.
10062         (pass_ipa_increase_alignment): New pass.
10063         * ipa.c: Inline tree-pass.h and timevar.h
10064         (function_and_variable_visibility): Move here from cgraphunit.c
10065         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
10066         * passes.c (init_optimization_passes): Add the two new passes.
10067         (execute_todo): Handle cgraph_remove_functions.
10068
10069 2007-01-08  Nick Clifton  <nickc@redhat.com>
10070
10071         * config/frv/predicates.md (reg_or_0_operand): Accept
10072         CONST_DOUBLEs.
10073
10074 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
10075
10076         * config/bfin/rtems.h, config/bfin/t-rtems: New.
10077         * config.gcc: Add bfin*-rtems*.
10078
10079 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10080
10081         * c.opt: Add -flax-vector-conversions.
10082         * c-typeck.c (convert_for_assignment): Pass flag to
10083         vector_types_convertible_p to allow emission of note.
10084         (digest_init): Likewise.
10085         * c-opts.c: Handle -flax-vector-conversions.
10086         * c-common.c (flag_lax_vector_conversions): New.
10087         (vector_types_convertible_p): Unless -flax-vector conversions
10088         has been passed, disallow conversions between vectors with
10089         differing numbers of subparts and/or element types.  If such
10090         a conversion is disallowed, possibly emit a note on the first
10091         occasion only to inform the user of -flax-vector-conversions.
10092         The new last argument specifies this.
10093         * c-common.h (flag_lax_vector_conversions): New.
10094         (vector_types_convertible_p): Add extra argument.
10095         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
10096         char_type_node for V*QI type vectors.
10097         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
10098         Update to satisfy new typechecking rules.
10099         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
10100         C and C++ variants.
10101         * doc/invoke.texi (C Dialect Options): Document
10102         -flax-vector-conversions.
10103
10104 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
10105
10106         PR tree-optimization/29877
10107         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
10108         a register variable on the RHS to not be replaceable.
10109
10110 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
10111         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
10112         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
10113         const_simm15, const_pow2, const_npow2): Added.
10114         * config/score/misc.md (insv, extv, extzv, movmemsi,
10115         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
10116         * config/score/score.c (score_address_cost, score_select_cc_mode):
10117         Added.
10118         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
10119         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
10120         Update score_print_operand.
10121         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
10122         Adjust register allocate order and update some macro define.
10123         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
10124         mdx_block_move_straight, mdx_block_move_loop_head,
10125         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
10126         mdx_block_move): Added.
10127         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
10128         mdp_limm): Updated and fix some bug and typo.
10129         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
10130         (movsf, movdf, doloop_end): Added.
10131
10132 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
10133
10134         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
10135         config/arm/thumb2.md: Fix comment typos.
10136         * doc/extend.texi: Fix a typo.
10137
10138 2007-01-07  Eric Christopher  <echristo@apple.com>
10139
10140         * configure.ac: Check for __stack_chk_fail for darwin.
10141         * configure: Regenerate.
10142
10143 2007-01-07  Richard Guenther  <rguenther@suse.de>
10144
10145         * tree-vrp.c (extract_range_from_assert): CSE calls to
10146         compare_values where possible.
10147         (extract_range_from_unary_expr): Likewise.
10148
10149 2007-01-07  Anatoly Sokolov <aesok@post.ru>
10150
10151         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
10152         * config/avr/avr.c (call_insn_operand): Delete function.
10153         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
10154         instead of register number. Use predicates.
10155         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
10156         call_insn_operand): Add.
10157
10158 2007-01-06  Jan Hubicka  <jh@suse.cz>
10159
10160         * tree-pass.h (pass_build_cgraph_edges): Declare.
10161         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
10162         (visited_nodes): Remove.
10163         (cgraph_create_edges): Move to cgraphbuild.c; rename to
10164         build_cgrpah_edges; make visited_nodes local.
10165         (cgraph_process_new_functions): DO not call initialize_inline_failed.
10166         (record_references_in_initializer): Move to cgraphbuild.c
10167         (initialize_inline_failed, rebuild_cgraph_edges,
10168         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
10169         (verify_cgraph_node): Make visited_nodes local.
10170         (cgraph_analyze_function): Do not call cgraph_create_edges and
10171         initialize_inline_failed.
10172         (cgraph_expand_function): Do not call cgraph_lower_function;
10173         assert that function is already lowered.
10174         * Makefile.in (cgraphbuild.o): New.
10175         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
10176         at the end of lowering passes.
10177
10178 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
10179
10180         * ifcvt.c (cond_move_convert_if_block): New function, code
10181         factored out from...
10182         (cond_move_process_if_block): ...here.  Call the new function
10183         on the THEN and ELSE blocks.
10184         (merge_if_block): Do not copy global_live_at_end, merge_blocks
10185         already takes care of this.
10186
10187 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10188
10189         PR c/19978
10190         * tree.h (TREE_OVERFLOW_P): New.
10191         * c-typeck.c (parser_build_unary_op): Warn only if result
10192         overflowed and operands did not.
10193         (parser_build_binary_op): Likewise.
10194         (convert_for_assignment): Remove redundant overflow_warning.
10195         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
10196
10197 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10198
10199         * c-typeck.c (store_init_value): Split over two lines to follow
10200         the GNU coding style.
10201
10202 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
10203
10204         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
10205         __GXX_EXPERIMENTAL_CXX0X__.
10206         * doc/cpp.texi: Same.
10207
10208 2007-01-05  Richard Guenther  <rguenther@suse.de>
10209
10210         PR middle-end/27826
10211         * tree.c (get_narrower): Do not construct COMPONENT_REFs
10212         with mismatched types.  Instead explicitly build a
10213         conversion NOP_EXPR.
10214
10215 2007-01-05  Ian Lance Taylor  <iant@google.com>
10216
10217         * c-common.c (decl_with_nonnull_addr_p): New function.
10218         (c_common_truthvalue_conversion): Call it.
10219         * c-typeck.c (build_binary_op): Likewise.
10220         * c-common.h (decl_with_nonnull_addr_p): Declare.
10221
10222 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
10223
10224         PR c/30360
10225         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
10226         denom against 0.0.
10227
10228 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
10229
10230         * doc/install.texi (Final install): Document the fact that
10231         the GNAT runtime should not be stripped.
10232
10233 2007-01-04  Jan Hubicka  <jh@suse.cz>
10234
10235         * tree-inline.c (fold_marked_statements): Update operand caches
10236         and EH after folding
10237
10238 2007-01-04  Ian Lance Taylor  <iant@google.com>
10239
10240         * c-common.c (check_function_nonnull): Whitespace fix.
10241
10242 2007-01-04  Jan Hubicka  <jh@suse.cz>
10243
10244         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
10245         comitted older version of patch.
10246         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
10247         function, celanup cfg and collect garbage.
10248
10249 2007-01-04  Mike Stump  <mrs@apple.com>
10250
10251         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
10252         (clean): Likewise.
10253
10254 2007-01-04  Eric Christopher  <echristo@apple.com>
10255
10256         * libgcc2.c (__bswapsi2): Use SItype.
10257         (__bswapdi2): Use DItype.
10258         * libgcc2.h: Update for above.
10259
10260 2007-01-04  Paul Brook  <paul@codesourcery.com>
10261
10262         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
10263         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
10264         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
10265         umulsidi3, umulsidi3adddi, smulsi3_highpart,
10266         umulsi3_highpart): Make conditional on !arm_arch6.
10267         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
10268         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
10269         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
10270         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
10271         umulsi3_highpart_v6): New insns.
10272
10273 2007-01-04  Roger Sayle  <roger@eyesopen.com>
10274
10275         * fold-const.c (fold_convert): When casting an expression to void,
10276         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
10277         have a type.  Instead of attempting to build a NOP_EXPR, return
10278         these "special" trees directly.
10279
10280 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
10281
10282         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
10283         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
10284         rs6000_cost->fp not 0 as adjustment for outer NEG.
10285
10286 2007-01-04  Jan Hubicka  <jh@suse.cz>
10287
10288         * cgraph.c (cgraph_release_function_body): New function.
10289         (cgraph_remove_node): Use it.
10290         * cgraph.h (cgraph_release_function_body): Declare.
10291         * cgraphunit.c (cgraph_expand_function): Use it.
10292         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
10293         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
10294         is initialized and while compilation of other function is running.
10295         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
10296         statement CFG annotations from here to ...
10297         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
10298
10299 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
10300
10301         * cfgloop.h (enum li_flags): Make the constants powers of two.
10302
10303 2007-01-04  Jan Hubicka  <jh@suse.cz>
10304
10305         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
10306         set.
10307         (fold_marked_statements): New function.
10308         (optimize_inline_calls, tree_function_versioning): Fold new statements.
10309         * tree-inline.h (copy_body_data): Add statements_to_fold.
10310
10311 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
10312
10313         * config.gcc: Mention libgcc/config.host.
10314         * Makefile.in: Update comments mentioning libgcc.
10315         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
10316         (all.cross, start.encap, rest.encap, rest.cross): Update
10317         dependencies for libgcc move.
10318         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
10319         (clean-target, clean-target-libgcc): Delete.
10320         (srcdirify, GCC_EXTRA_PARTS): New macros.
10321         (libgcc-support, libgcc.mvars): New rules.
10322         (distclean): Remove mention of mklibgcc.
10323         (install): Don't reference INSTALL_LIBGCC.
10324         (install-common): Don't reference EXTRA_PARTS.
10325         (install-libgcc, install-multilib): Delete rules.
10326         * mklibgcc.in: Delete file.
10327         * doc/configfiles.texi: Don't mention mklibgcc.
10328
10329         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
10330         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
10331         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
10332         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
10333         (mklibgcc, ldblspecs): Likewise.
10334
10335         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
10336         (posixpre.def): Use $(T).
10337         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
10338         (SHLIB_SRC, SHLIB_INSTALL): Delete.
10339         (SHLIB_LINK): Make dummy.
10340         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
10341
10342         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
10343
10344         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
10345         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
10346         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
10347         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
10348
10349         * configure.ac (all_outputs): Remove mklibgcc.
10350         * configure: Regenerated.
10351
10352 2007-01-03  Josh Conner  <jconner@apple.com>
10353
10354         PR middle-end/29683
10355         * calls.c (compute_argument_addresses): Set stack and stack_slot
10356         for partial args, too.
10357         (store_one_arg): Use locate.size.constant for the size when
10358         generating a save_area.
10359
10360 2007-01-03  Robert Kennedy <jimbob@google.com>
10361
10362         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
10363         whose definitions are deleted due to basic block merging.
10364
10365 2007-01-03  Paul Brook  <paul@codesourcery.com>
10366
10367         PR target/16634
10368         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
10369         functions.
10370         (use_return_insn): Return 0 for Thumb interrupt functions.
10371         (print_multi_reg): Add rfe argument for IRQ returns.
10372         (arm_output_epilogue): Pop interrupt return address directly into PC.
10373         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
10374
10375 2007-01-03  Paul Brook  <paul@codesourcery.com>
10376
10377         Merge from sourcerygxx-4_1.
10378         * config/arm/thumb2.md: New file.
10379         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
10380         Thumb-2.
10381         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
10382         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10383         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
10384         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
10385         tables.
10386         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
10387         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
10388         comptibility.
10389         * config/arm/ieee754-sf.S: Ditto.
10390         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
10391         (thumb1_base_register_rtx_p): ... to this.
10392         (thumb_index_register_rtx_p): Rename...
10393         (thumb1_index_register_rtx_p): ... to this.
10394         (thumb_output_function_prologue): Rename...
10395         (thumb1_output_function_prologue): ... to this.
10396         (thumb_legitimate_address_p): Rename...
10397         (thumb1_legitimate_address_p): ... to this.
10398         (thumb_rtx_costs): Rename...
10399         (thumb1_rtx_costs): ... to this.
10400         (thumb_compute_save_reg_mask): Rename...
10401         (thumb1_compute_save_reg_mask): ... to this.
10402         (thumb_final_prescan_insn): Rename...
10403         (thumb1_final_prescan_insn): ... to this.
10404         (thumb_expand_epilogue): Rename...
10405         (thumb1_expand_epilogue): ... to this.
10406         (arm_unwind_emit_stm): Rename...
10407         (arm_unwind_emit_sequence): ... to this.
10408         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
10409         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
10410         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
10411         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
10412         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
10413         thumb2_output_casesi): New functions.
10414         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
10415         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
10416         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
10417         THUMB2_WORK_REGS): Define.
10418         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
10419         arm_condexec_mask, arm_condexec_masklen)): New variables.
10420         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
10421         (arm_override_options): Check new CPU capabilities.
10422         Set new architecture flag variables.
10423         (arm_isr_value): Handle v7m interrupt functions.
10424         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
10425         Thumb-2.
10426         (const_ok_for_arm): Handle Thumb-2 constants.
10427         (arm_gen_constant): Ditto.  Use movw when available.
10428         (arm_function_ok_for_sibcall): Return false for v7m interrupt
10429         functions.
10430         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
10431         (thumb_find_work_register, arm_load_pic_register,
10432         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
10433         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
10434         print_multi_reg, output_mov_long_double_fpa_from_arm,
10435         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
10436         output_mov_double_fpa_from_arm, output_move_double,
10437         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
10438         output_return_instruction, arm_output_function_prologue,
10439         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
10440         arm_output_mi_thunk, thumb_set_return_address): Ditto.
10441         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
10442         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
10443         (arithmetic_instr, shift_op): Use arm_shift_nmem.
10444         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
10445         '!' and 'L'.
10446         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
10447         (thumb_expand_prologue): Use thumb_set_frame_pointer.
10448         (arm_file_start): Output directive for unified syntax.
10449         (arm_unwind_emit_set): Handle stack alignment instruction.
10450         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
10451         Add v6t2, v7, v7a, v7r and v7m.
10452         (RETLDM): Add Thumb-2 code.
10453         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
10454         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
10455         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
10456         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
10457         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
10458         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
10459         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
10460         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
10461         ADJUST_INSN_LENGTH): Define.
10462         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
10463         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
10464         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
10465         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
10466         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
10467         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
10468         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
10469         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
10470         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
10471         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
10472         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
10473         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
10474         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
10475         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
10476         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
10477         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
10478         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
10479         cortex-m3.
10480         * config/arm/arm-tune.md: Regenerate.
10481         * config/arm/arm-protos.h: Update prototypes.
10482         * config/arm/vfp.md: Enable patterns for Thumb-2.
10483         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
10484         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
10485         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
10486         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
10487         * config/arm/libunwind.S: Add Thumb-2 code.
10488         * config/arm/constraints.md: Update include Thumb-2.
10489         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
10490         * config/arm/ieee754-df.S: Ditto.
10491         * config/arm/bpabi.S: Ditto.
10492         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
10493         * config/arm/predicates.md (low_register_operand,
10494         low_reg_or_int_operand, thumb_16bit_operator): New.
10495         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
10496         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
10497         * config/arm/t-arm-elf: Add armv7 multilib.
10498         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
10499         Include thumb2.md.
10500         (UNSPEC_STACK_ALIGN, ce_count): New.
10501         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
10502         arm_zero_extendsidi2, arm_zero_extendqidi2): New
10503         insns/expanders.
10504         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
10505         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
10506         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
10507         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
10508         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
10509         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
10510         insns.
10511         * doc/extend.texi: Document ARMv7-M interrupt functions.
10512         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
10513
10514 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
10515
10516         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
10517         (struct _Unwind_Context): Rename args_size to flags, remove
10518         signal_frame field, add a new args_size field and version field.
10519         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
10520         _Unwind_IsExtendedContext): New inline functions.
10521         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10522         Assume by_value array is only present if _Unwind_IsExtendedContext.
10523         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
10524         _Unwind_IsSignalFrame.
10525         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
10526         (uw_update_context_1): Use _Unwind_SetSignalFrame.
10527         (uw_init_context_1): Initialize context->flags to
10528         EXTENDED_CONTEXT_BIT.
10529         * config/rs6000/linux-unwind.h (frob_update_context): Use
10530         _Unwind_SetSignalFrame.
10531
10532 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10533
10534         PR middle-end/30353
10535         * gimplify.c (gimplify_modify_expr_complex_part): Move below
10536         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
10537         the value.
10538
10539 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
10540
10541         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
10542         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
10543         RET, AT_SP): Remove.
10544         * config/i386/i386.md (*sse_prologue_save_insn): Use return
10545         instead of RET.
10546
10547         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10548         * cfgbuild.c (find_basic_blocks): Likewise.
10549         * cfgrtl.c (rtl_create_basic_block): Likewise.
10550         * function.c (temp_slots_at_level): Likewise.
10551         * reg-stack.c (stack_regs_mentioned): Likewise.
10552         * regclass.c (allocate_reg_info): Likewise.
10553         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10554         set_bb_for_stmt, move_block_to_fn): Likewise.
10555         * tree-complex.c (tree_lower_complex): Likewise.
10556         * vec.h (VEC_safe_grow_cleared): New.
10557
10558         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
10559
10560 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
10561
10562         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
10563         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
10564         to loop_version.
10565         * cfgloopmanip.c (scale_loop_frequencies): Export.
10566         (loopify): Scale the frequencies by prescribed coefficients.
10567         (set_zero_probability): New function.
10568         (duplicate_loop_to_header_edge): Improve updating of frequencies.
10569         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
10570         and frequencies according to arguments.
10571         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
10572         correctly.
10573         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
10574         * modulo-sched.c (sms_schedule): Set probabilities for entering
10575         versioned loop correctly.
10576         * tree-vect-transform.c (vect_transform_loop): Ditto.
10577         * cfgloop.h (loopify, loop_version): Declaration changed.
10578         (scale_loop_frequencies): Declared.
10579
10580 2007-01-02  Jan Hubicka  <jh@suse.cz>
10581
10582         * cgraph.c: Include tree-flow.h
10583         (cgraph_add_new-function): Handle IPA_SSA mode; execute
10584         early_local_passes.
10585         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
10586         * tree-pass.h (pass_all_early_optimizations): Declare.
10587         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
10588         early_local_passes.
10589         (cgraph_analyze_function): Do early_local_passes.
10590         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10591         Do not add referenced vars.
10592         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
10593         SSA form.
10594         (gate_all_early_local_passes): New gate.
10595         (pass_early_local_passes): Use new gate.
10596         (execute_early_local_optimizations): New functions.
10597         (gate_all_early_optimizations): New gate.
10598         (pass_all_early_optimizations): New pass.
10599         (execute_free_datastructures): Free SSA only when initialized.
10600         (gate_init_datastructures): Init only when optimizing.
10601         (tree_lowering_passes): Do early local passes when called late.
10602         * tree-profile.c (do_tree_profiling): Don't profile functions added
10603         late.
10604         (do_early_tree_profiling, pass_early_tree_profile): Kill.
10605         * tree-cfg.c (update_modified_stmts): Do not update when operands are
10606         not active.
10607         * passes.c (init_optimizations_passes): Reorder so we go into SSA
10608         during early_local_passes.
10609         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
10610
10611
10612 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10613
10614         * Makefile.in: Update copyright year.
10615
10616 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
10617
10618         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
10619         in $(lang_checks) and check-consistency targets.
10620
10621 2007-01-02  Jan Hubicka  <jh@suse.cz>
10622
10623         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
10624         Do not add referenced vars.
10625         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
10626         are not active.
10627         * passes.c (init_optimization_passes): Put mudflap_2 after
10628         free_datastructures.
10629
10630 2007-01-02  Jan Hubicka  <jh@suse.cz>
10631
10632         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
10633         Set NOTHROW flag on call statements proved to be nothrow.
10634         Update statement of local calls so new pure/const functions are
10635         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
10636         goto receivers.
10637         (tree_rest_of_compilation): Register hooks and initialize bitmap
10638         early. Do not set after_inlining flag.
10639
10640 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
10641
10642         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
10643         HOST_BITS_PER_LONGLONG
10644
10645 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10646
10647         PR c/19977
10648         * c-typeck.c (store_init_value): Don't emit pedantic overflow
10649         warning for non-static initializers.
10650
10651 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
10652
10653         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
10654         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
10655         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
10656         Always use set_unique_reg_note to add REG_EQUAL notes.
10657
10658 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10659
10660         Revert:
10661         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10662
10663         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10664         * cfgbuild.c (find_basic_blocks): Likewise.
10665         * cfgrtl.c (rtl_create_basic_block): Likewise.
10666         * function.c (temp_slots_at_level): Likewise.
10667         * reg-stack.c (stack_regs_mentioned): Likewise.
10668         * regclass.c (allocate_reg_info): Likewise.
10669         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10670         set_bb_for_stmt, move_block_to_fn): Likewise.
10671         * tree-complex.c (tree_lower_complex): Likewise.
10672         * vec.h (VEC_safe_grow_cleared): New.
10673
10674 2007-01-02  Ian Lance Taylor  <iant@google.com>
10675
10676         * c-common.c (c_common_truthvalue_conversion): When warning about
10677         using an assignment as a truth value, set TREE_NO_WARNING.
10678
10679 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10680
10681         PR middle-end/7651
10682         * c.opt (Wold-style-declaration): New.
10683         * doc/invoke.texi (C-only Warning Options): New.
10684         (Wold-style-declaration): Document it.
10685         (Wextra): Enabled by -Wextra.
10686         * c-opts.c (c_common_post_options): Enabled by -Wextra.
10687         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
10688         -Wold-style-declaration.
10689
10690 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
10691
10692         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
10693         * cfgbuild.c (find_basic_blocks): Likewise.
10694         * cfgrtl.c (rtl_create_basic_block): Likewise.
10695         * function.c (temp_slots_at_level): Likewise.
10696         * reg-stack.c (stack_regs_mentioned): Likewise.
10697         * regclass.c (allocate_reg_info): Likewise.
10698         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
10699         set_bb_for_stmt, move_block_to_fn): Likewise.
10700         * tree-complex.c (tree_lower_complex): Likewise.
10701         * vec.h (VEC_safe_grow_cleared): New.
10702
10703 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
10704
10705         * c-common.c (c_common_nodes_and_builtins): Since variants of
10706         void_type_node get built before it is given a name, we need to
10707         give those variants the name, too.
10708         (complete_array_type): We need to work with the canonical main
10709         type of the array, from which we will build the qualified version.
10710         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
10711         * print-tree.c (print_node): Display canonical type information
10712         for each type.
10713         * stor-layout.c (layout_type): When we don't know the
10714         alignment of a type for which we're building an array, we end up
10715         guessing wrong, so make the type require structural equality.
10716         * tree.c (make_node_stat): When we build a new type, it is its
10717         own canonical type.
10718         (build_type_attribute_qual_variant): When building an attribute
10719         variant, its canonical type is the non-attribute variant. However,
10720         if the attributes are target-dependent and they differ, we need to
10721         use structural equality checks for this type.
10722         (build_qualified_type): A qualified type is not equivalent to its
10723         unqualified variant; set the canonical type appropriately.
10724         (build_distinct_type_copy): When building a distinct type from
10725         another type, the new type is its own canonical type.
10726         (build_variant_type_copy): When building a new type variant, we
10727         assume that it is equivalent to the original type.
10728         (build_pointer_type_for_mode): When building a pointer type, also
10729         build a canonical type pointer.
10730         (build_reference_type_for_mode): When building a reference type,
10731         also build a canonical type reference.
10732         (build_index_type): When we can't hash an index type (e.g.,
10733         because its maximum value is negative), the index type requires
10734         structural equality tests.
10735         (build_array_type): Build the canonical form of an array type.
10736         (build_function_type): Function types require structural equality,
10737         because they contain default arguments, attributes, etc.
10738         (build_method_type_directly): Ditto for method types.
10739         (build_offset_type): Build the canonical offset type.
10740         (build_complex_type): Build the canonical vector type.
10741         (make_vector_type): Build the canonical vector type.
10742         * tree.h (TYPE_CANONICAL): New.
10743         (TYPE_STRUCTURAL_EQUALITY_P): New.
10744         (SET_TYPE_STRUCTURAL_EQUALITY): New.
10745         (struct tree_type): Added "canonical" field.
10746         * params.h (VERIFY_CANONICAL_TYPES): New.
10747         * doc/c-tree.texi (TYPE_CANONICAL): Document.
10748         (TYPE_STRUCTURAL_EQUALITY_P): Document.
10749         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
10750         * doc/invoke.texi (verify-canonical-types): Document --param
10751         parameter for verifying canonical types.
10752
10753 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10754
10755         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
10756         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
10757         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
10758         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
10759         tm_file.
10760         * config/rs6000/e500.h: New.
10761         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
10762         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
10763         Remove.
10764         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
10765         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
10766         TARGET_E500_DOUBLE): Remove.
10767         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
10768         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
10769         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
10770         * config/rs6000/rs6000.c (rs6000_override_options): Use
10771         CHECK_E500_OPTIONS.
10772
10773 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10774
10775         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
10776         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
10777         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
10778         rs6000_emit_cmove): Don't check TARGET_E500.
10779         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
10780         sordered): Don't check TARGET_E500.
10781
10782 2007-01-01  Eric Christopher  <echristo@apple.com>
10783
10784         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
10785         HARD_REGISTER_NUM_P.
10786
10787 2007-01-01  Roger Sayle  <roger@eyesopen.com>
10788
10789         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
10790         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
10791         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
10792         eq/ne Y".
10793
10794 2007-01-01  Mike Stump  <mrs@apple.com>
10795
10796         * configure.ac: Remove support for building with Apple's gcc-3.1.
10797
10798 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
10799
10800         PR middle-end/30311
10801         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
10802         REG is a hard register.  Do not modify REG before calling
10803         subreg_nregs.
10804         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
10805         multiple of the size of YMODE for certain lowpart cases.
10806
10807 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10808
10809         PR middle-end/30253
10810         * gimplify (voidify_wrapper_expr): Update for
10811         GIMPLE_MODIFY_STMT.
10812
10813 2007-01-01  Andreas Schwab  <schwab@suse.de>
10814
10815         PR target/29166
10816         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
10817         save of BR0 in extra_spill_size instead of spill_size.
10818         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
10819         area.
10820         (ia64_expand_epilogue): Restore BR0 from its new location.
10821
10822 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10823
10824         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
10825         Use a temporary variable if the left hand side is not a gimple
10826         register.
10827
10828 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
10829
10830         * gimplify.c (gimplify_return_expr): Make the temporary variable
10831         for the return expression, a gimple register variable.
10832
10833 2007-01-01  Jan Hubicka  <jh@suse.cz>
10834
10835         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
10836         INSN_LIST.
10837
10838 2007-01-01  Mike Stump  <mrs@apple.com>
10839
10840         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
10841         .literal16.
10842         * config/darwin.c (machopic_select_rtx_section): Use
10843         HAVE_GAS_LITERAL16.
10844         (darwin_mergeable_constant_section): Likewise.
10845         * configure: Regenerate.
10846         * config.in: Regenerate.
10847
10848 2007-01-01  Jan Hubicka  <jh@suse.cz>
10849             Andrew Pinski  <pinskia@gmail.com>
10850
10851         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
10852         before starting IPA passes.