gcc/ChangeLog

   1 2007-01-14  Jan Hubicka  <jh@suse.cz>
   2
   3         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
   4         separately.
   5         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
   6         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
   7         * except.h (verify_eh_throw_table_statements): Kill prototype.
   8         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
   9         into call exrepssions.
  10         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
  11         eh trhow verifier.
  12         * tree-cfg.c: Include pointer-set.h.
  13         (verify_node_sharing): Work on pointer set.
  14         (verify_eh_throw_stmt_node): New.
  15         (verify_stmts): Use pointers sets, verify throw_stmt.
  16
  17 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
  18
  19         * ipa-reference.c (analyze_function): Consider also addresses taken
  20         in phi nodes.
  21
  22 2007-01-12  Roger Sayle  <roger@eyesopen.com>
  23
  24         * c-typeck.c (null_pointer_constant_p): Replace use of
  25         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
  26         (build_c_cast): Likewise.
  27
  28 2007-01-12  Roger Sayle  <roger@eyesopen.com>
  29
  30         * tree.h (force_fit_type_double): Remove unused final argument.
  31         * c-common.c (constant_expression_warning): Replace use of
  32         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
  33         (convert_and_check): Likewise.
  34         (shorten_compare): Update call to force_fit_type_double.
  35         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
  36         * convert.c (convert_to_pointer): Update call to
  37         force_fit_type_double.
  38         * fold-const.c (force_fit_type_double): Remove overflowed_const
  39         argument.
  40         (int_const_binop, fold_convert_const_int_from_int,
  41         fold_convert_const_int_from_real, fold_div_compare,
  42         fold_sign_changed_comparison, fold_unary, fold_negate_const,
  43         fold_abs_const, fold_not_const): Remove the final argument from
  44         calls to force_fit_type_double.
  45
  46 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  47
  48         * configure.ac: Set insn to "nop" for spu-*-* also.
  49         * configure: Regenerate.
  50
  51 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
  52
  53         * builtins.def : Add BUILT_IN_FREE.
  54
  55 2007-01-12  Jan Hubicka  <jh@suse.cz>
  56
  57         PR tree-optimization/30443
  58         * tree-inline.c (tree_function_versioning): Do not optimize when
  59         cloning for inlining.
  60
  61 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
  62
  63         * doc/loop.texi: Document recording of loop exits.
  64         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
  65         (update_single_exits_after_duplication,
  66         update_single_exit_for_duplicated_loop,
  67         update_single_exit_for_duplicated_loops): Removed.
  68         (duplicate_loop_to_header_edge): Do not call
  69         update_single_exits_after_duplication and
  70         update_single_exit_for_duplicated_loops.
  71         (loop_version): Do not update single_exit information.
  72         (fix_loop_structure): Use record_loop_exits instead of
  73         mark_single_exit_loops.
  74         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
  75         the lists of loop exits.
  76         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
  77         split_edge, merge_blocks): Update the lists of loop exits.
  78         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
  79         loop_optimizer_init.
  80         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
  81         of mark_single_exit_loops.
  82         (loop_optimizer_finalize): Call release_recorded_exits.
  83         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
  84         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
  85         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
  86         update single exit information.
  87         * lambda-code.c (perfect_nestify): Ditto.
  88         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
  89         (mark_single_exit_loops): Removed.
  90         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
  91         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
  92         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
  93         functions.
  94         (get_loop_exit_edges, single_exit): Use recorded exit lists.
  95         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
  96         (verify_loop_structure): Verify consistency of the exit lists.
  97         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
  98         (set_single_exit): Removed.
  99         * cfgloop.h (struct loop_exit): New function.
 100         (struct loop): single_exit_ field replaced by exits field.
 101         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
 102         (struct loops): Added exits hash.
 103         (mark_single_exit_loops, set_single_exit): Declaration removed.
 104         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
 105
 106 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 107
 108         * doc/invoke.texi: Avoid use of @headitem.
 109
 110 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 111
 112         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
 113
 114 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 115
 116         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
 117         list of targets.
 118
 119 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 120             Richard Sandiford  <richard@codesourcery.com>
 121
 122         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
 123         * config/m68k/m68k.opt: Resort options.
 124         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
 125
 126 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 127             Richard Sandiford  <richard@codesourcery.com>
 128
 129         * doc/invoke.texi: Document the macros that are defined by
 130         m68k's -mtune and -mhard-float options.
 131         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
 132         (m68k_cpp_cpu_family): Likewise.
 133         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
 134         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
 135         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
 136         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
 137         (m68k_cpp_cpu_family): Likewise.
 138
 139 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 140
 141         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
 142         macros besides mc68000 as tuning macros.  Use a switch statement
 143         to set them and mcpu32.
 144
 145 2007-01-12  Julian Brown  <julian@codesourcery.com>
 146
 147         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
 148         (TARGET_68040_ONLY): Rename to...
 149         (TARGET_68040): ...this.
 150         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
 151         * config/m68k/m68k.md: Likewise.
 152
 153 2007-01-12  Julian Brown  <julian@codesourcery.com>
 154             Nathan Sidwell  <nathan@codesourcery.com>
 155             Richard Sandiford  <richard@codesourcery.com>
 156
 157         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
 158         the -mcpu= argument associated with the --with-cpu setting.
 159         Define M68K_DEFAULT_TUNE to the default -mtune= option,
 160         if different from the one implied by the -mcpu setting.
 161         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
 162         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
 163         * doc/invoke.texi: Mention ColdFire in the introduction to the
 164         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
 165         -mno-div and -mhard-float options.  Make -m68881 a synonym for
 166         -mhard-float.  Document the previously-undocumented -m5206e,
 167         -m528x, -m5307 and -m5407 options.  Tweak the existing option
 168         documentation for consistency.
 169         * doc/install.texi: Mention new --with-cpu arguments.
 170         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
 171         default CPU if neither -mcpu nor -march are specified.
 172         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
 173         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
 174         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
 175         using m68k_tune to decide between families that implement the
 176         same ISA.  Use m68k_tune to set __mcfv4e__.
 177         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
 178         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
 179         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
 180         (FL_ISA_C, FL_ISA_MMU): New macros.
 181         (MASK_COLDFIRE): Delete.
 182         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
 183         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
 184         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
 185         (TARGET_HARD_FLOAT): Do not define here.
 186         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
 187         (TUNE_68000): New macro.
 188         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
 189         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
 190         (TUNE_CFV2): Redefine in terms of m68k_tune.
 191         (uarch_type, target_device, fpu_type): New enums.
 192         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
 193         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
 194         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
 195         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
 196         (FL_FOR_isa_c): New macros.
 197         (m68k_isa): New enum.
 198         (m68k_target_selection): New structure.
 199         (all_devices, all_isas, all_microarchs): New tables.
 200         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
 201         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
 202         (MASK_ALL_CPU_BITS): Delete.
 203         (m68k_find_selection): New function.
 204         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
 205         Map the legacy target options to a combination of the new ones.
 206         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
 207         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
 208         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
 209         settings.
 210         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
 211         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
 212         properties.
 213         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
 214         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
 215         * config/m68k/m68k-devices.def: New file.
 216
 217 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 218             Nathan Sidwell  <nathan@codesourcery.com>
 219
 220         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
 221         (SUBTARGET_EXTRA_SPECS): New macros.
 222         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
 223         use %(asm_cpu_spec) instead.
 224         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
 225         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
 226         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
 227         (EXTRA_SPECS): Rename to...
 228         (SUBTARGET_EXTRA_SPECS): ...this.
 229
 230 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
 231             Richard Sandiford  <richard@codesourcery.com>
 232             Julian Brown  <julian@codesourcery.com>
 233
 234         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
 235         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
 236         to the configuration's default CPU.
 237         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
 238         Remove default masks.
 239         (m680[012]0-*-*): Set the default with_cpu to the first part of
 240         the target name.
 241         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
 242         (m68k*-*-linux): Extend the --with-cpu handling to...
 243         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
 244         and m68010.  Don't set target_cpu_default2.
 245         * doc/install.texi: Document --with-cpu for m68k.
 246         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
 247         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
 248         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
 249         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
 250         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
 251         (ASM_SPEC): Remove use of %(asm_cpu_default).
 252         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
 253         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
 254         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
 255         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
 256         __HAVE_FPU__ if TARGET_HARD_FLOAT.
 257         (TARGET_DEFAULT): Delete.
 258         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
 259         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
 260         (CPP_CPU_SPEC): Delete.
 261         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
 262         the appropriate string.
 263         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
 264         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
 265         (ASM_SPEC): Don't use %(asm_default_spec).
 266         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
 267         TARGET_DEFAULT and add MASK_68881.
 268         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
 269
 270 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 271
 272         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
 273         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
 274         MASK_68010 alongside MASK_68020.
 275         * doc/invoke.texi: Document -m68010.
 276         * config/m68k/m68k.opt (m68010): New.
 277         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
 278         if TUNE_68010.
 279         (TUNE_68010): New macro.
 280         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
 281         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
 282         (M68K_CPU_m68332): Add MASK_68010.
 283         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
 284         fallback definition.
 285         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
 286         defines.
 287         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
 288         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
 289         to all entries that use MASK_68020.
 290         (output_move_simode_const, output_move_himode, output_move_qimode)
 291         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
 292         instead of TARGET_68020 to select clr behavior.  Remove comment
 293         about there being no TARGET_68010.
 294         * config/m68k/m68k.md: Likewise throughout.
 295
 296 2007-01-12  Julian Brown  <julian@codesourcery.com>
 297
 298         * config/m68k/m68k.h (TARGET_ISAB): New macro.
 299         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
 300         * config/m68k/m68k.md: Likewise.
 301
 302 2007-01-12  Julian Brown  <julian@codesourcery.com>
 303
 304         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
 305         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
 306
 307 2007-01-12  Julian Brown  <julian@codesourcery.com>
 308
 309         * config/m68k/m68k.h (TUNE_68040_60): New macro.
 310         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
 311         * config/m68k/m68k.md: Likewise.
 312
 313 2007-01-12  Julian Brown  <julian@codesourcery.com>
 314             Richard Sandiford  <richard@codesourcery.com>
 315
 316         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
 317         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
 318         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
 319         TARGET_CPU32.
 320         (TARGET_CPU32): Rename to...
 321         (TUNE_CPU32): ...this.
 322         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
 323         (TUNE_CFV2): New macros.
 324         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
 325         remove conditions that are implied by TARGET_68020.
 326         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
 327         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
 328         (m68k_output_function_epilogue): Likewise.
 329         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
 330         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
 331         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
 332         non-68000 timings.  Refactor multiplication and division costs.
 333         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
 334         TUNE_CPU32 instead of TARGET_CPU32.
 335         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
 336         and TUNE_68060 instead of TARGET_68060.
 337         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
 338         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
 339         TARGET_CPU32.
 340         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
 341         && !TARGET_COLDFIRE" to choose between moveq and clr.
 342         Likewise in the unnamed movsf pattern.
 343         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
 344         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
 345         ashiftrt pattern.
 346
 347 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
 348
 349         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
 350         of tabbing before backslashes.
 351
 352 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 353
 354         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
 355         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
 356         (ASM_OUTPUT_INTERNAL_LABEL): Define.
 357
 358 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
 359
 360         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
 361         find_interesting_uses_cond.
 362         (find_interesting_uses_cond): Use extract_cond_operands.
 363         (rewrite_use_compare): Use extract_cond_operands and
 364         force_gimple_operand_bsi.  Do not call update_stmt.
 365         (determine_use_iv_cost_condition): Use extract_cond_operands.
 366         Return cheaper of using original bound and changing the exit bound.
 367
 368 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
 369
 370         PR tree-optimization/29516
 371         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
 372         most_expensive_mult_to_index, addr_to_parts,
 373         create_mem_ref, maybe_fold_tmr): Make the type of
 374         fields of TARGET_MEM_REF sizetype.
 375         (move_fixed_address_to_symbol, move_pointer_to_base):
 376         New functions.
 377         * tree.def (TARGET_MEM_REF): Add comment on types of
 378         the operands.
 379
 380 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
 381
 382         * c-common.c (vector_types_convertible_p): Treat opaque types as
 383         always convertible if they have the same size, but not otherwise.
 384
 385 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
 386
 387         * ifcvt.c (struct noce_if_info): Add comments to the fields.
 388         Remove the b_unconditional field.
 389         (noce_try_sign_mask): Do not look at b_unconditional.
 390         (noce_process_if_block): Do not use merge_if_blocks.  Update
 391         the CFG here.  Do not set b_unconditional.
 392         (cond_move_process_if_block): Likewise.
 393         (find_cond_trap): Likewise.
 394         (check_cond_move_block): Require simple jump insns at the end
 395         of the basic block.
 396
 397 2007-01-11  Jan Hubicka  <jh@suse.cz>
 398
 399         PR tree-optimization/1046
 400         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
 401         when alias info is not ready.
 402         (pass_tail_recursion): Do not require aliasing.
 403         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
 404         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
 405         * tree-ssa-copy.c (pass_copy_prop): Likewise.
 406         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
 407         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
 408         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
 409         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
 410         before inlining.
 411         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
 412         When aliasing is not build, mark statement as volatile.
 413
 414 2007-01-11  Tom Tromey  <tromey@redhat.com>
 415
 416         PR preprocessor/15185, PR preprocessor/20989:
 417         * doc/cppopts.texi <-MT>: Update description of algorithm for
 418         computing default target.
 419         <-M, -MD>: Reword "basename" text.
 420
 421 2007-01-11  Roger Sayle  <roger@eyesopen.com>
 422
 423         * builtins.c (expand_builtin_pow, expand_builtin_powi,
 424         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
 425         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
 426         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
 427         fold_builtin_bswap, real_constp, fold_builtin_pow,
 428         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
 429         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
 430         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
 431         * convert.c (convert_to_pointer): Likewise.
 432         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
 433         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
 434         const_binop, fold_convert_const_int_from_int,
 435         fold_convert_const_int_from_real,
 436         fold_convert_const_real_from_real, sign_bit_p,
 437         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
 438         fold_sign_changed_comparison, fold_unary, fold_comparison,
 439         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
 440         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
 441         * print-tree.c (print_node_brief, print_node): Likewise.
 442         * stor-layout.c (place_field, layout_type): Likewise.
 443         * tree-chrec.c (keep_cast): Likewise.
 444         * tree.c (build_vector, build_real, build_real_from_int_cst,
 445         build_complex): Likewise.
 446
 447 2007-01-11  Roger Sayle  <roger@eyesopen.com>
 448
 449         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
 450         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
 451
 452 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
 453
 454         * configure.ac (strict1_warn): Rename to strict_warn.
 455         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
 456         cc_set_by_configure, quoted_cc_set_by_configure,
 457         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
 458         all_boot_languages, all_stagestuff): Remove.
 459         (target_list): Remove bootstrap targets.
 460         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
 461         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
 462         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
 463         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
 464         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
 465         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
 466         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
 467         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
 468         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
 469         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
 470         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
 471         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
 472         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
 473         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
 474         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
 475         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
 476         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
 477         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
 478         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
 479         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
 480         (mostlyclean): Adjust.
 481         (clean, distclean): Don't mention bootstrap stuff.
 482         * configure: Regenerate.
 483         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
 484         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
 485         treelang/config-lang.in (stagestuff): Remove.
 486         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
 487         stageprofile, stagefeedback, stagestuff): Remove mention.
 488
 489 2007-01-11  Nick Clifton  <nickc@redhat.com>
 490
 491         * config/mcore/predicates.md (mcore_general_movesrc_operand):
 492         Accept CONSTs.
 493         (mcore_general_movdst_operand): Do not accept CONST_INTs.
 494         (mcore_arith_K_S_operand): Run the test for the S constraint not
 495         the test for the M constraint.
 496         (mcore_addsub_operand): Do not accept integer values that are
 497         larger than 32 bits.
 498         * config/mcore/mcore.md: Remove unused constraints from split.
 499         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
 500         (addsi3): Likewise.
 501         (allocate_stack): Likewise.
 502         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
 503         operands to 32 bits.
 504         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
 505         INTVAL.
 506         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
 507         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
 508         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
 509         mcore_output_bclri, mcore_output_andn, output_inline_const,
 510         mcore_output_move, mcore_output_movedouble): Likewise.
 511         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
 512         (output_inline_const): Likewise.
 513         (output_inline_const): Fix format strings used in sprintf
 514         statements.
 515         * config/mcore/mcore-protos.h: Update prototypes for changed
 516         functions in mcore.c.
 517         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
 518         HOST_WIDE_INT and not int.
 519         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
 520         CONST_OK_FOR_N): Likewise.
 521         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
 522         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
 523         an INTVAL.
 524
 525 2007-01-10  Jan Hubicka  <jh@suse.cz>
 526
 527         * tree-vrp.c (remove_range_assertions): Release defs.
 528         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
 529         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
 530
 531 2007-01-10  Paul Brook  <paul@codesourcery.com>
 532
 533         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
 534         * config/arm/arm.md (mulsi3subsi): New insn.
 535
 536 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
 537
 538         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
 539         (tree_transform_and_unroll_loop): New.
 540         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
 541         Declare.
 542
 543 2007-01-10  Robert Kennedy <jimbob@google.com>
 544
 545         * fold-const.c (fold_comparison): Fold comparisons like (x *
 546         1000 < 0) to (x < 0).
 547
 548 2007-01-10  Ian Lance Taylor  <iant@google.com>
 549
 550         * tree-pretty-print.c (dump_generic_node): Print parentheses when
 551         operands have the same priority.
 552
 553 2007-01-10  Tom Tromey  <tromey@redhat.com>
 554
 555         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
 556         (fold_binary): Likewise.
 557         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
 558         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
 559         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
 560         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
 561         * langhooks.h (struct lang_hooks): Removed field
 562         'can_use_bit_fields_p'.
 563
 564 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
 565
 566         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
 567
 568 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
 569
 570         * function.c (get_last_funcdef_no): New function.
 571         * function.h (get_last_funcdef_no): Declare.
 572         * tree-inline.c (initialize_cfun): Add initialization.
 573         (tree_function_versioning): Cleanup.
 574
 575 2007-01-10  Jan Hubicka  <jh@suse.cz>
 576
 577         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
 578         PHIs.
 579
 580 2007-01-10  Sa Liu  <saliu@de.ibm.com>
 581             Ben Elliston  <bje@au.ibm.com>
 582
 583         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
 584         for SAVE_NONLOCAL and Pmode for any other save level.
 585         * spu-protos.h (spu_restore_stack_block): Declare.
 586         * spu.md (save_stack_block): Remove.
 587         (restore_stack_block): Call spu_restore_stack_block.
 588         * spu.c (spu_restore_stack_block): New function.
 589         (spu_expand_epilogue): Remove old comment.
 590
 591 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
 592
 593         PR tree-optimization/30322
 594         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
 595         (cand_value_at): Return the value as aff_tree.
 596         (may_eliminate_iv): Convert the bound from aff_tree to tree.
 597         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
 598         aff_combination_mult): New functions.
 599         (aff_combination_add): Use aff_combination_add_cst.
 600         (aff_combination_convert): Allow conversions to a wider type.
 601         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
 602         * tree-affine.h (aff_combination_mult): Declare.
 603
 604 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
 605
 606         * doc/tm.texi: Update documentation to reflect reality of exec
 607         and start file search behaviours. Update copyright year.
 608         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
 609         header file directories.
 610
 611 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
 612
 613         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
 614         (*cosxf2): Rename to cosxf2_i387.
 615
 616         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
 617         using X87MODEF12 mode macro. Rename patterns to
 618         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
 619         for SSE math.
 620         (*cosdf2, *cossf2): Ditto.
 621         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
 622         to match extended input operands.
 623
 624         (sincos<mode>3): New expander.
 625
 626         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
 627         insn patterns and corresponding splitters.
 628
 629 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
 630
 631         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
 632         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
 633
 634 2007-01-09  Nicolas Pitre  <nico@cam.org>
 635
 636         PR target/30173
 637         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
 638
 639 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 640
 641         * target.h (struct gcc_target): New field library_rtti_comdat.
 642         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
 643         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
 644         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
 645         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
 646
 647 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
 648
 649         * doc/invoke.texi (Optimize Options): Correct description of -O0.
 650
 651 2007-01-08  Richard Guenther  <rguenther@suse.de>
 652
 653         * tree.h (force_fit_type_double): Export.
 654         (force_fit_type): Remove.
 655         * fold-const.c (force_fit_type_double): New function.
 656         (force_fit_type): Remove.
 657         (int_const_binop): Use it.
 658         (fold_convert_const_int_from_int): Likewise.
 659         (fold_convert_const_int_from_real): Likewise.
 660         (fold_div_compare): Likewise.
 661         (fold_sign_changed_comparison): Likewise.
 662         (fold_unary): Likewise.
 663         (fold_negate_const): Likewise.
 664         (fold_abs_const): Likewise.
 665         (fold_not_const): Likewise.
 666         * c-common.c (shorten_compare): Use force_fit_type_double.
 667         * convert.c (convert_to_pointer): Likewise.
 668
 669 2007-01-08  Richard Guenther  <rguenther@suse.de>
 670
 671         * tree.h (build_int_cst_wide_type): Export.
 672         * tree.c (build_int_cst_wide_type): New function.
 673         (build_int_cst_wide): Fix comment.
 674         * builtins.c (fold_builtin_object_size): Use build_int_cst
 675         to build -1 or 0 of the correct type.  Use fit_double_type
 676         to check for overflow.
 677         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
 678         to build the mask.
 679         (decode_field_reference): Likewise.
 680         (all_ones_mask_p): Likewise.
 681         (native_interpret_int): Use build_int_cst_wide_type.
 682         (fold_binary): Use build_int_cst_type to build an all-ones
 683         value.
 684         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
 685
 686 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
 687
 688         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
 689
 690 2007-01-09  Ben Elliston  <bje@au.ibm.com>
 691
 692         * genautomata.c (STATS_OPTION): New option.
 693         (stats_flag): New flag.
 694         (gen_automata_option): Handle it.
 695         (initiate_automaton_gen): Ditto.
 696         (write_automata): Output statistics only if stats_flag is
 697         set. Likewise, output time statistics only if time_flag is set.
 698         * doc/md.texi (Processor pipeline description): Document new flag.
 699
 700 2007-01-08  Richard Guenther  <rguenther@suse.de>
 701
 702         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
 703         * tree.c (build_int_cst_type): Likewise.
 704         (size_in_bytes): Don't call force_fit_type on the result.
 705         (int_fits_type_p): Use fit_double_type.
 706         * fold-const.c (fit_double_type): New function.
 707         (force_fit_type): Use it.
 708         * tree.h (fit_double_type): Export.
 709
 710 2007-01-08  Jan Hubicka  <jh@suse.cz>
 711
 712         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
 713         * ipa.c (function_and_variable_visibility): Fix return type.
 714
 715 2007-01-08  Richard Guenther  <rguenther@suse.de>
 716
 717         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
 718         of offset to build the index.
 719         * tree-pretty-print.c (dump_generic_node): Don't build negated
 720         const just for printing.
 721         * c-pretty-print.c (pp_c_integer_constant): Likewise.
 722         * builtins.c (fold_builtin_int_roundingfn): Check if result
 723         fits the type by using force_fit_type and comparing the result.
 724         * predict.c (predict_loops): Use compare_tree_int for comparison.
 725         * tree.c (build_int_cst): Fall back to integer_type_node for
 726         NULL_TREE type.
 727         (build_int_cst_wide): Assert type is non-null.
 728
 729 2007-01-08  Roberto Costa  <roberto.costa@st.com>
 730
 731         * tree-vrp.c (extract_range_from_cond_expr): New.
 732         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
 733         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
 734         as expressions.
 735         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
 736         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
 737         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
 738         used as expressions.
 739         * tree-object-size.c (cond_expr_object_size): New.
 740         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
 741
 742 2007-01-08  Jan Hubicka  <jh@suse.cz>
 743
 744         * tree-ssa-forwprop.c (forward_propagate_into_cond,
 745         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
 746         statement.
 747
 748 2007-01-08  Richard Guenther  <rguenther@suse.de>
 749
 750         PR tree-optimization/23603
 751         * tree-vrp.c (set_value_range_to_truthvalue): New function.
 752         (extract_range_from_binary): Fall back to truthvalue instead of
 753         varying for TRUTH_*_EXPR.
 754         (extract_range_from_comparison): Fall back to truthvalue instead of
 755         varying.
 756         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
 757         if all visited PHI values were constant.
 758
 759 2007-01-08  Jan Hubicka  <jh@suse.cz>
 760
 761         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
 762         (cgraph_analyze_function): break out from ...
 763         (cgraph_finalize_compilation_unit): ... here.
 764         (cgraph_expand_function): Remove forgoten commented out line.
 765         (cgraph_optimize): Analyze functions.
 766
 767 2007-01-08  Jan Hubicka  <jh@suse.cz>
 768
 769         * tree-pas.h (TODO_remove_function): New flag.
 770         (TODO_update*): Renumber.
 771         (pass_ipa_increase_alignment,
 772         pass_ipa_function_and_variable_visibility): New passes.
 773         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
 774         (cgraph_function_and_variable_visibility): Move to ipa.c
 775         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
 776         cgraph_increase_alignment.
 777         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
 778         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
 779         calling tree-inline.
 780         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
 781         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
 782         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
 783         (gate_increase_alignment): New function.
 784         (pass_ipa_increase_alignment): New pass.
 785         * ipa.c: Inline tree-pass.h and timevar.h
 786         (function_and_variable_visibility): Move here from cgraphunit.c
 787         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
 788         * passes.c (init_optimization_passes): Add the two new passes.
 789         (execute_todo): Handle cgraph_remove_functions.
 790
 791 2007-01-08  Nick Clifton  <nickc@redhat.com>
 792
 793         * config/frv/predicates.md (reg_or_0_operand): Accept
 794         CONST_DOUBLEs.
 795
 796 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
 797
 798         * config/bfin/rtems.h, config/bfin/t-rtems: New.
 799         * config.gcc: Add bfin*-rtems*.
 800
 801 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 802
 803         * c.opt: Add -flax-vector-conversions.
 804         * c-typeck.c (convert_for_assignment): Pass flag to
 805         vector_types_convertible_p to allow emission of note.
 806         (digest_init): Likewise.
 807         * c-opts.c: Handle -flax-vector-conversions.
 808         * c-common.c (flag_lax_vector_conversions): New.
 809         (vector_types_convertible_p): Unless -flax-vector conversions
 810         has been passed, disallow conversions between vectors with
 811         differing numbers of subparts and/or element types.  If such
 812         a conversion is disallowed, possibly emit a note on the first
 813         occasion only to inform the user of -flax-vector-conversions.
 814         The new last argument specifies this.
 815         * c-common.h (flag_lax_vector_conversions): New.
 816         (vector_types_convertible_p): Add extra argument.
 817         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
 818         char_type_node for V*QI type vectors.
 819         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
 820         Update to satisfy new typechecking rules.
 821         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
 822         C and C++ variants.
 823         * doc/invoke.texi (C Dialect Options): Document
 824         -flax-vector-conversions.
 825
 826 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
 827
 828         PR tree-optimization/29877
 829         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
 830         a register variable on the RHS to not be replaceable.
 831
 832 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
 833         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
 834         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
 835         const_simm15, const_pow2, const_npow2): Added.
 836         * config/score/misc.md (insv, extv, extzv, movmemsi,
 837         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
 838         * config/score/score.c (score_address_cost, score_select_cc_mode):
 839         Added.
 840         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
 841         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
 842         Update score_print_operand.
 843         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
 844         Adjust register allocate order and update some macro define.
 845         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
 846         mdx_block_move_straight, mdx_block_move_loop_head,
 847         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
 848         mdx_block_move): Added.
 849         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
 850         mdp_limm): Updated and fix some bug and typo.
 851         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
 852         (movsf, movdf, doloop_end): Added.
 853
 854 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
 855
 856         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
 857         config/arm/thumb2.md: Fix comment typos.
 858         * doc/extend.texi: Fix a typo.
 859
 860 2007-01-07  Eric Christopher  <echristo@apple.com>
 861
 862         * configure.ac: Check for __stack_chk_fail for darwin.
 863         * configure: Regenerate.
 864
 865 2007-01-07  Richard Guenther  <rguenther@suse.de>
 866
 867         * tree-vrp.c (extract_range_from_assert): CSE calls to
 868         compare_values where possible.
 869         (extract_range_from_unary_expr): Likewise.
 870
 871 2007-01-07  Anatoly Sokolov <aesok@post.ru>
 872
 873         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
 874         * config/avr/avr.c (call_insn_operand): Delete function.
 875         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
 876         instead of register number. Use predicates.
 877         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
 878         call_insn_operand): Add.
 879
 880 2007-01-06  Jan Hubicka  <jh@suse.cz>
 881
 882         * tree-pass.h (pass_build_cgraph_edges): Declare.
 883         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
 884         (visited_nodes): Remove.
 885         (cgraph_create_edges): Move to cgraphbuild.c; rename to
 886         build_cgrpah_edges; make visited_nodes local.
 887         (cgraph_process_new_functions): DO not call initialize_inline_failed.
 888         (record_references_in_initializer): Move to cgraphbuild.c
 889         (initialize_inline_failed, rebuild_cgraph_edges,
 890         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
 891         (verify_cgraph_node): Make visited_nodes local.
 892         (cgraph_analyze_function): Do not call cgraph_create_edges and
 893         initialize_inline_failed.
 894         (cgraph_expand_function): Do not call cgraph_lower_function;
 895         assert that function is already lowered.
 896         * Makefile.in (cgraphbuild.o): New.
 897         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
 898         at the end of lowering passes.
 899
 900 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
 901
 902         * ifcvt.c (cond_move_convert_if_block): New function, code
 903         factored out from...
 904         (cond_move_process_if_block): ...here.  Call the new function
 905         on the THEN and ELSE blocks.
 906         (merge_if_block): Do not copy global_live_at_end, merge_blocks
 907         already takes care of this.
 908
 909 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 910
 911         PR c/19978
 912         * tree.h (TREE_OVERFLOW_P): New.
 913         * c-typeck.c (parser_build_unary_op): Warn only if result
 914         overflowed and operands did not.
 915         (parser_build_binary_op): Likewise.
 916         (convert_for_assignment): Remove redundant overflow_warning.
 917         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
 918
 919 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 920
 921         * c-typeck.c (store_init_value): Split over two lines to follow
 922         the GNU coding style.
 923
 924 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
 925
 926         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
 927         __GXX_EXPERIMENTAL_CXX0X__.
 928         * doc/cpp.texi: Same.
 929
 930 2007-01-05  Richard Guenther  <rguenther@suse.de>
 931
 932         PR middle-end/27826
 933         * tree.c (get_narrower): Do not construct COMPONENT_REFs
 934         with mismatched types.  Instead explicitly build a
 935         conversion NOP_EXPR.
 936
 937 2007-01-05  Ian Lance Taylor  <iant@google.com>
 938
 939         * c-common.c (decl_with_nonnull_addr_p): New function.
 940         (c_common_truthvalue_conversion): Call it.
 941         * c-typeck.c (build_binary_op): Likewise.
 942         * c-common.h (decl_with_nonnull_addr_p): Declare.
 943
 944 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
 945
 946         PR c/30360
 947         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
 948         denom against 0.0.
 949
 950 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
 951
 952         * doc/install.texi (Final install): Document the fact that
 953         the GNAT runtime should not be stripped.
 954
 955 2007-01-04  Jan Hubicka  <jh@suse.cz>
 956
 957         * tree-inline.c (fold_marked_statements): Update operand caches
 958         and EH after folding
 959
 960 2007-01-04  Ian Lance Taylor  <iant@google.com>
 961
 962         * c-common.c (check_function_nonnull): Whitespace fix.
 963
 964 2007-01-04  Jan Hubicka  <jh@suse.cz>
 965
 966         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
 967         comitted older version of patch.
 968         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
 969         function, celanup cfg and collect garbage.
 970
 971 2007-01-04  Mike Stump  <mrs@apple.com>
 972
 973         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
 974         (clean): Likewise.
 975
 976 2007-01-04  Eric Christopher  <echristo@apple.com>
 977
 978         * libgcc2.c (__bswapsi2): Use SItype.
 979         (__bswapdi2): Use DItype.
 980         * libgcc2.h: Update for above.
 981
 982 2007-01-04  Paul Brook  <paul@codesourcery.com>
 983
 984         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
 985         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
 986         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
 987         umulsidi3, umulsidi3adddi, smulsi3_highpart,
 988         umulsi3_highpart): Make conditional on !arm_arch6.
 989         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
 990         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
 991         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
 992         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
 993         umulsi3_highpart_v6): New insns.
 994
 995 2007-01-04  Roger Sayle  <roger@eyesopen.com>
 996
 997         * fold-const.c (fold_convert): When casting an expression to void,
 998         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
 999         have a type.  Instead of attempting to build a NOP_EXPR, return
1000         these "special" trees directly.
1001
1002 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
1003
1004         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
1005         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
1006         rs6000_cost->fp not 0 as adjustment for outer NEG.
1007
1008 2007-01-04  Jan Hubicka  <jh@suse.cz>
1009
1010         * cgraph.c (cgraph_release_function_body): New function.
1011         (cgraph_remove_node): Use it.
1012         * cgraph.h (cgraph_release_function_body): Declare.
1013         * cgraphunit.c (cgraph_expand_function): Use it.
1014         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
1015         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
1016         is initialized and while compilation of other function is running.
1017         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
1018         statement CFG annotations from here to ...
1019         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
1020
1021 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
1022
1023         * cfgloop.h (enum li_flags): Make the constants powers of two.
1024
1025 2007-01-04  Jan Hubicka  <jh@suse.cz>
1026
1027         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
1028         set.
1029         (fold_marked_statements): New function.
1030         (optimize_inline_calls, tree_function_versioning): Fold new statements.
1031         * tree-inline.h (copy_body_data): Add statements_to_fold.
1032
1033 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
1034
1035         * config.gcc: Mention libgcc/config.host.
1036         * Makefile.in: Update comments mentioning libgcc.
1037         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
1038         (all.cross, start.encap, rest.encap, rest.cross): Update
1039         dependencies for libgcc move.
1040         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
1041         (clean-target, clean-target-libgcc): Delete.
1042         (srcdirify, GCC_EXTRA_PARTS): New macros.
1043         (libgcc-support, libgcc.mvars): New rules.
1044         (distclean): Remove mention of mklibgcc.
1045         (install): Don't reference INSTALL_LIBGCC.
1046         (install-common): Don't reference EXTRA_PARTS.
1047         (install-libgcc, install-multilib): Delete rules.
1048         * mklibgcc.in: Delete file.
1049         * doc/configfiles.texi: Don't mention mklibgcc.
1050
1051         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
1052         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
1053         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
1054         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
1055         (mklibgcc, ldblspecs): Likewise.
1056
1057         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
1058         (posixpre.def): Use $(T).
1059         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
1060         (SHLIB_SRC, SHLIB_INSTALL): Delete.
1061         (SHLIB_LINK): Make dummy.
1062         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
1063
1064         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
1065
1066         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
1067         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
1068         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
1069         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
1070
1071         * configure.ac (all_outputs): Remove mklibgcc.
1072         * configure: Regenerated.
1073
1074 2007-01-03  Josh Conner  <jconner@apple.com>
1075
1076         PR middle-end/29683
1077         * calls.c (compute_argument_addresses): Set stack and stack_slot
1078         for partial args, too.
1079         (store_one_arg): Use locate.size.constant for the size when
1080         generating a save_area.
1081
1082 2007-01-03  Robert Kennedy <jimbob@google.com>
1083
1084         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
1085         whose definitions are deleted due to basic block merging.
1086
1087 2007-01-03  Paul Brook  <paul@codesourcery.com>
1088
1089         PR target/16634
1090         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
1091         functions.
1092         (use_return_insn): Return 0 for Thumb interrupt functions.
1093         (print_multi_reg): Add rfe argument for IRQ returns.
1094         (arm_output_epilogue): Pop interrupt return address directly into PC.
1095         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
1096
1097 2007-01-03  Paul Brook  <paul@codesourcery.com>
1098
1099         Merge from sourcerygxx-4_1.
1100         * config/arm/thumb2.md: New file.
1101         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
1102         Thumb-2.
1103         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
1104         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1105         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
1106         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
1107         tables.
1108         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
1109         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
1110         comptibility.
1111         * config/arm/ieee754-sf.S: Ditto.
1112         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
1113         (thumb1_base_register_rtx_p): ... to this.
1114         (thumb_index_register_rtx_p): Rename...
1115         (thumb1_index_register_rtx_p): ... to this.
1116         (thumb_output_function_prologue): Rename...
1117         (thumb1_output_function_prologue): ... to this.
1118         (thumb_legitimate_address_p): Rename...
1119         (thumb1_legitimate_address_p): ... to this.
1120         (thumb_rtx_costs): Rename...
1121         (thumb1_rtx_costs): ... to this.
1122         (thumb_compute_save_reg_mask): Rename...
1123         (thumb1_compute_save_reg_mask): ... to this.
1124         (thumb_final_prescan_insn): Rename...
1125         (thumb1_final_prescan_insn): ... to this.
1126         (thumb_expand_epilogue): Rename...
1127         (thumb1_expand_epilogue): ... to this.
1128         (arm_unwind_emit_stm): Rename...
1129         (arm_unwind_emit_sequence): ... to this.
1130         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
1131         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
1132         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
1133         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
1134         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
1135         thumb2_output_casesi): New functions.
1136         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
1137         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
1138         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
1139         THUMB2_WORK_REGS): Define.
1140         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
1141         arm_condexec_mask, arm_condexec_masklen)): New variables.
1142         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
1143         (arm_override_options): Check new CPU capabilities.
1144         Set new architecture flag variables.
1145         (arm_isr_value): Handle v7m interrupt functions.
1146         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
1147         Thumb-2.
1148         (const_ok_for_arm): Handle Thumb-2 constants.
1149         (arm_gen_constant): Ditto.  Use movw when available.
1150         (arm_function_ok_for_sibcall): Return false for v7m interrupt
1151         functions.
1152         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
1153         (thumb_find_work_register, arm_load_pic_register,
1154         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
1155         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
1156         print_multi_reg, output_mov_long_double_fpa_from_arm,
1157         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
1158         output_mov_double_fpa_from_arm, output_move_double,
1159         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
1160         output_return_instruction, arm_output_function_prologue,
1161         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
1162         arm_output_mi_thunk, thumb_set_return_address): Ditto.
1163         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
1164         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
1165         (arithmetic_instr, shift_op): Use arm_shift_nmem.
1166         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
1167         '!' and 'L'.
1168         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
1169         (thumb_expand_prologue): Use thumb_set_frame_pointer.
1170         (arm_file_start): Output directive for unified syntax.
1171         (arm_unwind_emit_set): Handle stack alignment instruction.
1172         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
1173         Add v6t2, v7, v7a, v7r and v7m.
1174         (RETLDM): Add Thumb-2 code.
1175         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
1176         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
1177         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
1178         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
1179         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
1180         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
1181         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
1182         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
1183         ADJUST_INSN_LENGTH): Define.
1184         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
1185         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
1186         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
1187         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
1188         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
1189         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
1190         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
1191         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
1192         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
1193         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
1194         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
1195         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
1196         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
1197         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
1198         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
1199         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
1200         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
1201         cortex-m3.
1202         * config/arm/arm-tune.md: Regenerate.
1203         * config/arm/arm-protos.h: Update prototypes.
1204         * config/arm/vfp.md: Enable patterns for Thumb-2.
1205         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
1206         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
1207         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
1208         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
1209         * config/arm/libunwind.S: Add Thumb-2 code.
1210         * config/arm/constraints.md: Update include Thumb-2.
1211         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
1212         * config/arm/ieee754-df.S: Ditto.
1213         * config/arm/bpabi.S: Ditto.
1214         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
1215         * config/arm/predicates.md (low_register_operand,
1216         low_reg_or_int_operand, thumb_16bit_operator): New.
1217         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
1218         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
1219         * config/arm/t-arm-elf: Add armv7 multilib.
1220         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
1221         Include thumb2.md.
1222         (UNSPEC_STACK_ALIGN, ce_count): New.
1223         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
1224         arm_zero_extendsidi2, arm_zero_extendqidi2): New
1225         insns/expanders.
1226         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
1227         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
1228         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
1229         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
1230         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
1231         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
1232         insns.
1233         * doc/extend.texi: Document ARMv7-M interrupt functions.
1234         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
1235
1236 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
1237
1238         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
1239         (struct _Unwind_Context): Rename args_size to flags, remove
1240         signal_frame field, add a new args_size field and version field.
1241         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
1242         _Unwind_IsExtendedContext): New inline functions.
1243         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1244         Assume by_value array is only present if _Unwind_IsExtendedContext.
1245         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
1246         _Unwind_IsSignalFrame.
1247         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
1248         (uw_update_context_1): Use _Unwind_SetSignalFrame.
1249         (uw_init_context_1): Initialize context->flags to
1250         EXTENDED_CONTEXT_BIT.
1251         * config/rs6000/linux-unwind.h (frob_update_context): Use
1252         _Unwind_SetSignalFrame.
1253
1254 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1255
1256         PR middle-end/30353
1257         * gimplify.c (gimplify_modify_expr_complex_part): Move below
1258         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
1259         the value.
1260
1261 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
1262
1263         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
1264         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
1265         RET, AT_SP): Remove.
1266         * config/i386/i386.md (*sse_prologue_save_insn): Use return
1267         instead of RET.
1268
1269         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1270         * cfgbuild.c (find_basic_blocks): Likewise.
1271         * cfgrtl.c (rtl_create_basic_block): Likewise.
1272         * function.c (temp_slots_at_level): Likewise.
1273         * reg-stack.c (stack_regs_mentioned): Likewise.
1274         * regclass.c (allocate_reg_info): Likewise.
1275         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1276         set_bb_for_stmt, move_block_to_fn): Likewise.
1277         * tree-complex.c (tree_lower_complex): Likewise.
1278         * vec.h (VEC_safe_grow_cleared): New.
1279
1280         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
1281
1282 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
1283
1284         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
1285         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
1286         to loop_version.
1287         * cfgloopmanip.c (scale_loop_frequencies): Export.
1288         (loopify): Scale the frequencies by prescribed coefficients.
1289         (set_zero_probability): New function.
1290         (duplicate_loop_to_header_edge): Improve updating of frequencies.
1291         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
1292         and frequencies according to arguments.
1293         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
1294         correctly.
1295         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
1296         * modulo-sched.c (sms_schedule): Set probabilities for entering
1297         versioned loop correctly.
1298         * tree-vect-transform.c (vect_transform_loop): Ditto.
1299         * cfgloop.h (loopify, loop_version): Declaration changed.
1300         (scale_loop_frequencies): Declared.
1301
1302 2007-01-02  Jan Hubicka  <jh@suse.cz>
1303
1304         * cgraph.c: Include tree-flow.h
1305         (cgraph_add_new-function): Handle IPA_SSA mode; execute
1306         early_local_passes.
1307         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
1308         * tree-pass.h (pass_all_early_optimizations): Declare.
1309         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
1310         early_local_passes.
1311         (cgraph_analyze_function): Do early_local_passes.
1312         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1313         Do not add referenced vars.
1314         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
1315         SSA form.
1316         (gate_all_early_local_passes): New gate.
1317         (pass_early_local_passes): Use new gate.
1318         (execute_early_local_optimizations): New functions.
1319         (gate_all_early_optimizations): New gate.
1320         (pass_all_early_optimizations): New pass.
1321         (execute_free_datastructures): Free SSA only when initialized.
1322         (gate_init_datastructures): Init only when optimizing.
1323         (tree_lowering_passes): Do early local passes when called late.
1324         * tree-profile.c (do_tree_profiling): Don't profile functions added
1325         late.
1326         (do_early_tree_profiling, pass_early_tree_profile): Kill.
1327         * tree-cfg.c (update_modified_stmts): Do not update when operands are
1328         not active.
1329         * passes.c (init_optimizations_passes): Reorder so we go into SSA
1330         during early_local_passes.
1331         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
1332
1333
1334 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1335
1336         * Makefile.in: Update copyright year.
1337
1338 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
1339
1340         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
1341         in $(lang_checks) and check-consistency targets.
1342
1343 2007-01-02  Jan Hubicka  <jh@suse.cz>
1344
1345         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
1346         Do not add referenced vars.
1347         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
1348         are not active.
1349         * passes.c (init_optimization_passes): Put mudflap_2 after
1350         free_datastructures.
1351
1352 2007-01-02  Jan Hubicka  <jh@suse.cz>
1353
1354         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
1355         Set NOTHROW flag on call statements proved to be nothrow.
1356         Update statement of local calls so new pure/const functions are
1357         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
1358         goto receivers.
1359         (tree_rest_of_compilation): Register hooks and initialize bitmap
1360         early. Do not set after_inlining flag.
1361
1362 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
1363
1364         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
1365         HOST_BITS_PER_LONGLONG
1366
1367 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1368
1369         PR c/19977
1370         * c-typeck.c (store_init_value): Don't emit pedantic overflow
1371         warning for non-static initializers.
1372
1373 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
1374
1375         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
1376         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
1377         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
1378         Always use set_unique_reg_note to add REG_EQUAL notes.
1379
1380 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1381
1382         Revert:
1383         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1384
1385         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1386         * cfgbuild.c (find_basic_blocks): Likewise.
1387         * cfgrtl.c (rtl_create_basic_block): Likewise.
1388         * function.c (temp_slots_at_level): Likewise.
1389         * reg-stack.c (stack_regs_mentioned): Likewise.
1390         * regclass.c (allocate_reg_info): Likewise.
1391         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1392         set_bb_for_stmt, move_block_to_fn): Likewise.
1393         * tree-complex.c (tree_lower_complex): Likewise.
1394         * vec.h (VEC_safe_grow_cleared): New.
1395
1396 2007-01-02  Ian Lance Taylor  <iant@google.com>
1397
1398         * c-common.c (c_common_truthvalue_conversion): When warning about
1399         using an assignment as a truth value, set TREE_NO_WARNING.
1400
1401 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1402
1403         PR middle-end/7651
1404         * c.opt (Wold-style-declaration): New.
1405         * doc/invoke.texi (C-only Warning Options): New.
1406         (Wold-style-declaration): Document it.
1407         (Wextra): Enabled by -Wextra.
1408         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1409         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
1410         -Wold-style-declaration.
1411
1412 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
1413
1414         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
1415         * cfgbuild.c (find_basic_blocks): Likewise.
1416         * cfgrtl.c (rtl_create_basic_block): Likewise.
1417         * function.c (temp_slots_at_level): Likewise.
1418         * reg-stack.c (stack_regs_mentioned): Likewise.
1419         * regclass.c (allocate_reg_info): Likewise.
1420         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
1421         set_bb_for_stmt, move_block_to_fn): Likewise.
1422         * tree-complex.c (tree_lower_complex): Likewise.
1423         * vec.h (VEC_safe_grow_cleared): New.
1424
1425 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
1426
1427         * c-common.c(c_common_nodes_and_builtins): Since variants of
1428         void_type_node get built before it is given a name, we need to
1429         give those variants the name, too.
1430         (complete_array_type): We need to work with the canonical main
1431         type of the array, from which we will build the qualified version.
1432         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
1433         * print-tree.c (print_node): Display canonical type information
1434         for each type.
1435         * stor-layout.c (layout_type): When we don't know the
1436         alignment of a type for which we're building an array, we end up
1437         guessing wrong, so make the type require structural equality.
1438         * tree.c (make_node_stat): When we build a new type, it is its
1439         own canonical type.
1440         (build_type_attribute_qual_variant): When building an attribute
1441         variant, its canonical type is the non-attribute variant. However,
1442         if the attributes are target-dependent and they differ, we need to
1443         use structural equality checks for this type.
1444         (build_qualified_type): A qualified type is not equivalent to its
1445         unqualified variant; set the canonical type appropriately.
1446         (build_distinct_type_copy): When building a distinct type from
1447         another type, the new type is its own canonical type.
1448         (build_variant_type_copy): When building a new type variant, we
1449         assume that it is equivalent to the original type.
1450         (build_pointer_type_for_mode): When building a pointer type, also
1451         build a canonical type pointer.
1452         (build_reference_type_for_mode): When building a reference type,
1453         also build a canonical type reference.
1454         (build_index_type): When we can't hash an index type (e.g.,
1455         because its maximum value is negative), the index type requires
1456         structural equality tests.
1457         (build_array_type): Build the canonical form of an array type.
1458         (build_function_type): Function types require structural equality,
1459         because they contain default arguments, attributes, etc.
1460         (build_method_type_directly): Ditto for method types.
1461         (build_offset_type): Build the canonical offset type.
1462         (build_complex_type): Build the canonical vector type.
1463         (make_vector_type): Build the canonical vector type.
1464         * tree.h (TYPE_CANONICAL): New.
1465         (TYPE_STRUCTURAL_EQUALITY_P): New.
1466         (SET_TYPE_STRUCTURAL_EQUALITY): New.
1467         (struct tree_type): Added "canonical" field.
1468         * params.h (VERIFY_CANONICAL_TYPES): New.
1469         * doc/c-tree.texi (TYPE_CANONICAL): Document.
1470         (TYPE_STRUCTURAL_EQUALITY_P): Document.
1471         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
1472         * doc/invoke.texi (verify-canonical-types): Document --param
1473         parameter for verifying canonical types.
1474
1475 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1476
1477         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
1478         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
1479         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
1480         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
1481         tm_file.
1482         * config/rs6000/e500.h: New.
1483         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
1484         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
1485         Remove.
1486         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
1487         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
1488         TARGET_E500_DOUBLE): Remove.
1489         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
1490         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
1491         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
1492         * config/rs6000/rs6000.c (rs6000_override_options): Use
1493         CHECK_E500_OPTIONS.
1494
1495 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1496
1497         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
1498         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
1499         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
1500         rs6000_emit_cmove): Don't check TARGET_E500.
1501         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
1502         sordered): Don't check TARGET_E500.
1503
1504 2007-01-01  Eric Christopher  <echristo@apple.com>
1505
1506         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
1507         HARD_REGISTER_NUM_P.
1508
1509 2007-01-01  Roger Sayle  <roger@eyesopen.com>
1510
1511         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
1512         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
1513         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
1514         eq/ne Y".
1515
1516 2007-01-01  Mike Stump  <mrs@apple.com>
1517
1518         * configure.ac: Remove support for building with Apple's gcc-3.1.
1519
1520 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
1521
1522         PR middle-end/30311
1523         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
1524         REG is a hard register.  Do not modify REG before calling
1525         subreg_nregs.
1526         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
1527         multiple of the size of YMODE for certain lowpart cases.
1528
1529 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1530
1531         PR middle-end/30253
1532         * gimplify (voidify_wrapper_expr): Update for
1533         GIMPLE_MODIFY_STMT.
1534
1535 2007-01-01  Andreas Schwab  <schwab@suse.de>
1536
1537         PR target/29166
1538         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
1539         save of BR0 in extra_spill_size instead of spill_size.
1540         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
1541         area.
1542         (ia64_expand_epilogue): Restore BR0 from its new location.
1543
1544 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1545
1546         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
1547         Use a temporary variable if the left hand side is not a gimple
1548         register.
1549
1550 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
1551
1552         * gimplify.c (gimplify_return_expr): Make the temporary variable
1553         for the return expression, a gimple register variable.
1554
1555 2007-01-01  Jan Hubicka  <jh@suse.cz>
1556
1557         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
1558         INSN_LIST.
1559
1560 2007-01-01  Mike Stump  <mrs@apple.com>
1561
1562         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
1563         .literal16.
1564         * config/darwin.c (machopic_select_rtx_section): Use
1565         HAVE_GAS_LITERAL16.
1566         (darwin_mergeable_constant_section): Likewise.
1567         * configure: Regenerate.
1568         * config.in: Regenerate.
1569
1570 2007-01-01  Jan Hubicka  <jh@suse.cz>
1571             Andrew Pinski  <pinskia@gmail.com>
1572
1573         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
1574         before starting IPA passes.