gcc/ChangeLog

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