gcc/ChangeLog

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