gcc/ChangeLog

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