gcc/ChangeLog

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