gcc/ChangeLog

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