gcc/ChangeLog

   1 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
   2
   3         PR bootstrap/31020
   4         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
   5         Define using $${sysroot_headers_suffix}.
   6         * configure: Regenerate.
   7         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
   8         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
   9         defined.
  10         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
  11         * gcc.c (print_sysroot_headers_suffix): New.
  12         (option_map): Include --print-sysroot-headers-suffix.
  13         (display_help): Mention -print-sysroot-headers-suffix.
  14         (process_command): Handle -print-sysroot-headers-suffix.
  15         (do_spec_1): Append multilib directory to include-fixed path if
  16         sysroot suffixes in use.
  17         (main): Handle -print-sysroot-headers-suffix.
  18         * Makefile.in (start.encap): Don't depend on xlimits.h
  19         (xlimits.h): Remove.
  20         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
  21         limits.h for each multilib in fixinc_list.
  22         (fixinc_list, s-fixinc_list): New.
  23         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
  24         generate them for each multilib in fixinc_list.
  25         (stmp-fixproto): Use include-fixed.  Run fixproto for each
  26         multilib in fixinc_list.
  27         (mostlyclean): Don't remove xlimits.h.
  28         (clean): Remove include-fixed.
  29         (real-install-headers-tar, real-install-headers-cpio,
  30         real-install-headers-cp): Don't copy include, only include-fixed.
  31         (install-mkheaders): Depend on fixinc_list.  Don't depend on
  32         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
  33         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
  34         SYSTEM_HEADER_DIR setting in mkheaders.conf.
  35
  36 2007-03-06  Jan Hubicka  <jh@suse.cz>
  37
  38         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
  39         NANs easilly.
  40
  41 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  42
  43         * configure.ac: Allow tm_file to contain build-directory files.
  44         * configure: Regenerate.
  45         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
  46         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
  47         * config/m68k/print-sysroot-suffix.sh: New file.
  48
  49 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  50
  51         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
  52         of pic_offset_table_rtx if reload_completed.
  53         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
  54         PIC_OFFSET_TABLE_REGNUM.
  55         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
  56         return true.
  57         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
  58         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
  59
  60 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  61
  62         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
  63         functions that call eh_return.
  64
  65 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  66
  67         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
  68         functions that need a constant pool.
  69
  70 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  71
  72         PR target/28181
  73         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
  74         (m68k_preferred_reload_class): Likewise.
  75         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
  76         (SECONDARY_RELOAD_CLASS): Define.
  77         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
  78         (LIMIT_RELOAD_CLASS): Delete.
  79         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
  80         registers from storing bytes.
  81         (m68k_secondary_reload_class): New function.
  82         (m68k_preferred_reload_class): Likewise.
  83
  84 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  85
  86         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
  87         leaf functions.
  88         (m68k_expand_prologue): Likewise.
  89
  90 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
  91
  92         * config/m68k/m68k-protos.h (output_sibcall): Declare.
  93         (mips_expand_epilogue): Add a bool parameter.
  94         (m68k_legitimize_sibcall_address): Declare.
  95         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
  96         (m68k_expand_epilogue): Add a parameter to select between sibling
  97         and normal epilogues.  Only generate a return for the latter.
  98         (m68k_ok_for_sibcall_p): New function.
  99         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
 100         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
 101         (sibcall_value, *sibcall_value): Likewise.
 102         (*call, *call_value): Require !SIBLING_CALL_P.
 103         (epilogue): Update call to m68k_expand_epilogue.
 104         (sibcall_epilogue): New pattern.
 105         * config/m68k/predicates.md (const_call_operand): Say that this
 106         predicate applies to sibling calls too.
 107         (sibcall_operand): New predicate.
 108
 109 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 110
 111         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
 112         alternatives as movsi_cf.
 113         (movsf_cf_hard): Add commentary.
 114
 115 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
 116             Richard Sandiford  <richard@codesourcery.com>
 117
 118         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
 119         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
 120         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
 121         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
 122         as being live on exit from an interrupt function.
 123         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
 124         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
 125         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
 126         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
 127         (m68k_interrupt_function_p): Globalize.
 128         (m68k_compute_frame_layout): Remove reverse mask code.
 129         (m68k_emit_movem, m68k_set_frame_related): New functions.
 130         (m68k_output_function_prologue): Delete in favor of...
 131         (m68k_expand_prologue): ...this new function.
 132         (m68k_output_function_epilogue): Delete in favor of...
 133         (m68k_expand_epilogue): ...this new function.
 134         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
 135         functions.
 136         (print_operand): Handle %?.
 137         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
 138         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
 139         (prologue, epilogue): New patterns.
 140         (return): Turn into a define_expand.
 141         (*return): New pattern, derived from old "return" pattern.  Use rte
 142         rather than rts for interrupt functions.  Only use rtd if the pop
 143         count is nonzero.
 144         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
 145         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
 146         (link, *link, unlink, *unlink, load_got): Likewise.
 147
 148 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
 149
 150         PR target/23482
 151         PR target/17114
 152         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
 153         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
 154         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
 155         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
 156         and m68k_matches_u_p.
 157         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
 158         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
 159         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
 160         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
 161         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
 162         (REG_STRICT_P): New macro.
 163         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
 164         PCREL_GENERAL_OPERAND_OK.
 165         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
 166         m68k_legitimate_base_reg_p.
 167         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
 168         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
 169         (PIC_CASE_VECTOR_ADDRESS): Update comment.
 170         * config/m68k/m68k.c (m68k_address): New structure.
 171         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
 172         (m68k_decompose_index, m68k_legitimate_constant_address_p)
 173         (m68k_jump_table_ref_p, m68k_decompose_address)
 174         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
 175         (m68k_matches_u_p): New functions.
 176         (print_operand_address): Rewrite to use m68k_decompose_index.
 177
 178 2007/03/05  David Taylor  <dtaylor@emc.com>
 179
 180         * gcc.c: Correct copyright date in --version output.
 181
 182 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 183
 184         * pa.md: In unamed move patterns, disparge copies between general
 185         and floating point registers using '?' modifier.  Don't include 'f'
 186         constraint for register preferences in DImode, SImode, HImode and
 187         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
 188         Remove constraints for copies between general and floating registers
 189         in soft-float DFmode pattern.
 190         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
 191         floating register.
 192         (movsf): Likewise.
 193
 194 2007-03-05  Mike Stump  <mrs@apple.com>
 195
 196         * c-common.c (targetcm): Add.
 197         * c-opts.c (c_common_handle_option): Handle language specific
 198         target options.
 199         * opts.c (handle_option): Verify language for target options, if
 200         any are given.
 201         * opth-gen.awk: Add CL_LANG_ALL.
 202         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
 203         (TARGETCM_INITIALIZER): Add.
 204         * target.h (struct gcc_targetcm): Add.
 205         (targetcm): Add.
 206         * targhooks.c (default_handle_c_option): Add.
 207         * targhooks.h (default_handle_c_option): Add.
 208         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
 209
 210         * config/darwin.opt (iframework): Add.
 211         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
 212         * config/darwin-c.c (handle_c_option): Add.
 213         (TARGET_HANDLE_C_OPTION): Add.
 214         (targetcm): Add.
 215         * doc/invoke.texi (Darwin Options): Add -iframework.
 216
 217 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 218
 219         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
 220         conversion.
 221
 222 2007-03-05  Ian Lance Taylor  <iant@google.com>
 223
 224         * c.opt (fgnu89-inline): New option.
 225         * c-opts.c (c_common_post_options): Set default value for
 226         flag_gnu89_inline.
 227         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
 228         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
 229         inline functions.
 230         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
 231         (grokdeclarator, start_function): Likewise.
 232         * c-cppbuiltin.c (c_cpp_builtins): Define either
 233         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
 234         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
 235         (C Dialect Options): Document -fgnu89-inline.
 236         * doc/extend.texi (Function Attributes): Explain what the
 237         gnu_inline attribute does.
 238         * doc/cpp.texi (Common Predefined Macros): Document
 239         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
 240
 241 2007-03-05  Ian Lance Taylor  <iant@google.com>
 242
 243         PR tree-optimization/31034
 244         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
 245         half-range if the other side is an overflow infinity.
 246
 247 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
 248
 249         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
 250         (bfin*-linux-uclibc*): New configuration.
 251         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
 252         defining.
 253         * config/bfin/linux.h: New file.
 254         * config/bfin/libgcc-bfin.ver: New file.
 255         * config/bfin/t-bfin-uclinux: New file.
 256         * config/bfin/t-bfin-linux: New file.
 257         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
 258         (TARGET_OS_CPP_BUILTINS): New macro.
 259
 260 2007-03-05  Richard Guenther  <rguenther@suse.de>
 261
 262         * fold-const.c (fold_binary): Remove duplicate folding
 263         of comparison of non-null ADDR_EXPR against null.
 264
 265 2007-03-05  Richard Guenther  <rguenther@suse.de>
 266         Dorit Nuzman  <dorit@il.ibm.com>
 267
 268         PR tree-optimization/26420
 269         * tree-vectorizer.c (vectorize_loops): Bail out early if there
 270         are no loops in the function.  Only print the number of
 271         vectorized loops if it is greater than zero or we are supposed
 272         to print information about unvectorized loops.
 273
 274 2007-03-05  Revital Eres  <eres@il.ibm.com>
 275
 276       * gcc.dg/var-expand1.c: New test.
 277       * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
 278       when an accumulator is expanded.
 279
 280 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 281
 282         PR other/30465
 283         * c-common.c (convert_and_check): Don't give warnings for
 284         conversion if 'expr' already overflowed.
 285
 286 2007-03-04  Roger Sayle  <roger@eyesopen.com>
 287
 288         PR middle-end/30744
 289         * fold-const.c (fold_comparison): Enforce type consistency when
 290         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
 291
 292 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
 293
 294         * tree-ssa-address.c (create_mem_ref): Do not put an expression
 295         containing a cast to the base of TARGET_MEM_REF.
 296
 297 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
 298
 299         * tree.c (tree_contains_struct_check_failed): Remove spurious
 300         whitespace from error message.
 301
 302 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
 303
 304         PR target/30406
 305         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
 306         instead of precision.
 307
 308 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
 309             Nathan Sidwell  <nathan@codesourcery.com>
 310
 311         * emit-rtl.c (find_auto_inc): New.
 312         (try_split): recreate REG_INC notes,
 313         Use regular for loops rather than whiles.
 314
 315 2007-03-03  Andreas Schwab  <schwab@suse.de>
 316
 317         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
 318         * configure: Regenerate.
 319
 320 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 321
 322         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
 323         flag_rounding_math, not flag_unsafe_math_optimizations.
 324
 325         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
 326         fold_build2.
 327         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
 328         alpha_fold_vector_minmax): Likewise.
 329         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
 330         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
 331
 332 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
 333
 334         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
 335         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
 336         if the lhs has side-effects.
 337         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
 338
 339 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 340
 341         * config/i386/i386.h (TUNEMASK): Remove define.
 342         (ARCHMASK): Remove define.
 343         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
 344          Use ix86_arch_mask variable instead of ARCHMASK.
 345         * config/i386/i386.c (override_options): Ditto.
 346         (standard_80387_constant_p): Ditto.
 347
 348 2007-03-02  Ian Lance Taylor  <iant@google.com>
 349
 350         Used signed infinities in VRP.
 351         * tree-vrp.c (uses_overflow_infinity): New static function.
 352         (supports_overflow_infinity): New static function.
 353         (make_overflow_infinity): New static function.
 354         (negative_overflow_infinity): New static function.
 355         (positive_overflow_infinity): New static function.
 356         (is_negative_overflow_infinity): New static function.
 357         (is_positive_overflow_infinity): New static function.
 358         (is_overflow_infinity): New static function.
 359         (overflow_infinity_range_p): New static function.
 360         (compare_values_warnv): New function split out of compare_values.
 361         (compare_value): Call it.
 362         (set_value_range_to_nonnegative): Add overflow_infinity
 363         parameter.  Change caller.
 364         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
 365         Change callers.
 366         (vrp_expr_computes_nonzero): Likewise.
 367         (compare_ranges, compare_range_with_value): Likewise.
 368         (compare_name_with_value, compare_names): Likewise.
 369         (vrp_evaluate_conditional): Likewise.
 370         (set_value_range): Handle infinity
 371         (vrp_operand_equal_p, operand_less_p): Likewise.
 372         (extract_range_from_assert): Likewise.
 373         (vrp_int_const_binop): Likewise.
 374         (extract_range_from_binary_expr): Likewise.
 375         (extract_range_from_unary_expr): Likewise.
 376         (extract_range_from_comparison): Likewise.
 377         (extract_range_from_expr): Likewise.
 378         (dump_value_range): Likewise.
 379         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
 380         (test_for_singularity): Likewise.
 381         (vrp_int_const_binop): Remove inline qualifier.
 382         (adjust_range_with_scev): Add comment.
 383         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
 384
 385 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
 386
 387         * tree-ssa-structalias.c (could_have_pointers): Tidy.
 388         (get_constraint_for): Likewise.
 389         (do_structure_copy): Likewise.
 390         (find_func_aliases): Fix references to MODIFY_EXPR.
 391         (intra_create_variable_infos): Tidy.
 392         * tree-ssa-operands.c (add_virtual_operand): Add argument
 393         IS_CALL_SITE.
 394         When adding members of alias sets, if IS_CALL_SITE is true and
 395         the symbol is not call-clobbered, skip it.
 396         Adjust all callers.
 397
 398 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
 399
 400         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
 401         entry by means of emit_insn_at_entry.
 402
 403 2007-03-02  Richard Henderson  <rth@redhat.com>
 404
 405         * expr.h (promoted_input_arg): Remove decl.
 406         * function.c (promoted_input_arg): Merge into ...
 407         * combine.c (setup_incoming_promotions): ... only caller.
 408         Rearrange to avoid double loop.
 409
 410 2007-03-02  Ben Elliston  <bje@au.ibm.com>
 411             Peter Bergner  <bergner@vnet.ibm.com>
 412             Janis Johnson  <janis187@us.ibm.com>
 413
 414         * config/rs6000/dfp.md: New file.
 415         * config/rs6000/rs6000.md: Include dfp.md.
 416         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
 417         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
 418         and TDmode decimal float modes in FP registers.
 419         (num_insns_constant): Likewise.
 420         (rs6000_legitimate_offset_address_p): Likewise.
 421         (rs6000_legitimize_address): Likewise.
 422         (rs6000_legitimize_reload_address): Likewise.
 423         (rs6000_legitimate_address): Likewise.
 424         (rs6000_emit_move): Likewise.
 425         (function_arg_boundary): Likewise.
 426         (function_arg_advance): Likewise.
 427         (rs6000_darwin64_record_arg_recurse): Likewise.
 428         (function_arg): Likewise.
 429         (rs6000_gimplify_va_arg): Likewise.
 430         (rs6000_split_multireg_move): Likewise.
 431         (rs6000_output_function_epilogue): Likewise.
 432         (rs6000_output_function_epilogue): Likewise.
 433         (rs6000_register_move_cost): Likewise.
 434         (rs6000_function_value): Likewise.
 435         (rs6000_libcall_value): Likewise.
 436
 437 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
 438
 439         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
 440
 441 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
 442
 443         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
 444         Use $MULTIDIR to choose between the kernel and RTP headers,
 445         and use $WIND_BASE and $WIND_USR to locate them.
 446
 447 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 448
 449         * config/i386/i386.c (override_options): Put initialization of
 450         ix86_tune_mask and ix86_arch_mask to the correct place.
 451
 452 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
 453             Michael Meissner  <michael.meissner@amd.com>
 454
 455         PR target/31019
 456         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
 457         (ARCHMASK): Define.
 458         (TARGET_CMOVE): Use ARCHMASK.
 459         (TARGET_CMPXCHG): Ditto.
 460         (TARGET_CMPXCHG8B): Ditto.
 461         (TARGET_XADD): Ditto.
 462         (TARGET_BSWAP): Ditto.
 463         * config/i386/i386.c (ix86_tune_mask): New global variable.
 464         (ix86_arch_mask): Ditto.
 465         (override_options): Initialize ix86_tune_mask and
 466         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
 467         target_flags.
 468
 469 2007-03-02  Ben Elliston  <bje@au.ibm.com>
 470
 471         PR 30992
 472         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
 473
 474 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
 475
 476         * target.h (init_dwarf_reg_sizes_extra): New target hook.
 477         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
 478         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
 479         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
 480         hook.
 481         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
 482         rs6000_init_dwarf_reg_sizes_extra): New.
 483         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
 484         SPE register high parts.
 485
 486 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
 487
 488         * Makefile.in: Add install-pdf target as
 489         copied from automake v1.10 rules.
 490         * configure.ac: Add install-pdf to target list.
 491         * configure: Regenerate.
 492
 493 2007-03-01  Paul Brook  <paul@codesourcery.com>
 494
 495         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
 496         modes to LDRD for DImode.
 497         (output_move_double): Fixup out of range ldrd/strd.
 498         (vfp_secondary_reload_class): Rename...
 499         (coproc_secondary_reload_class): ... to this.  Add wb argument.
 500         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
 501         coproc_secondary_reload_class for CLASS_IWMMXT.
 502         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
 503         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
 504
 505 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
 506
 507         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
 508         factor by the estimated number of iterations.
 509         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
 510         prefetch latency.
 511
 512         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
 513         decode_caches_intel, detect_caches_intel): New functions.
 514         (host_detect_local_cpu): Use detect_caches_amd and
 515         detect_caches_intel.
 516
 517 2007-03-01  Richard Henderson  <rth@redhat.com>
 518
 519         * expr.c (emit_move_complex_push): Export.
 520         (emit_move_complex_parts): Split out from ...
 521         (emit_move_complex): ... here.
 522         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
 523         * config/i386/i386.md (movcdi): New.
 524
 525 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
 526
 527         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
 528         size of mode1 to check for tieable modes in MMX case.
 529
 530 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
 531
 532         * Makefile.in (rtlanal.o): Depend on tree.h.
 533         * rtl.h (offset_within_section_p, split_const): Declare.
 534         * rtlanal.c: Include tree.h.
 535         (offset_within_block_p): New function, taken from
 536         mips_offset_within_object_p.
 537         (split_const): New function, taken from mips_split_const.
 538         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
 539         Declare.
 540         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
 541         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
 542         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
 543         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
 544         (m68k_illegitimate_symbolic_constant_p): New function.
 545         * config/m68k/m68k.md (movsi): Remove misleading predicates.
 546         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
 547         symbolic constant that might be outside the symbol's section,
 548         move the symbol first and then add the offset.
 549         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
 550         Override.
 551         * config/mips/mips.c (mips_split_const): Delete.
 552         (mips_offset_within_object_p): Delete.
 553         (mips_symbolic_constant_p): Use offset_within_section_p and
 554         split_const instead of mips_offset_within_object_p and
 555         mips_split_const.
 556         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
 557         (mips_legitimize_const_move, print_operand_reloc)
 558         (mips_dangerous_for_la25_p): Use split_const instead of
 559         mips_split_const.
 560
 561 2007-02-28  Eric Christopher  <echristo@apple.com>
 562
 563         * Makefile.in (install-include-dir): Don't rm -rf include.
 564
 565 2007-02-28  Richard Guenther  <rguenther@suse.de>
 566
 567         PR middle-end/30364
 568         * fold-const.c (fold_binary): Do not associate expressions
 569         with more than one variable for integer types that do not wrap.
 570
 571 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
 572
 573         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
 574         Delete, and replace with...
 575         (fold_builtin_call_array): This.  Update callers to use it.
 576         * fold-const.c (fold_build_call_list): Delete, and replace with...
 577         (fold_build_call_array): This.
 578         (fold_build_call_list_initializer): Delete, and replace with...
 579         (fold_build_call_array_initializer): This.
 580         * tree.h: Update declarations to reflect above changes.
 581
 582         * c-typeck.c (build_function_call): Store converted arguments
 583         in a stack-allocated array instead of building a list.
 584         (convert_arguments): Store arguments in the array passed in as an
 585         argument, and return the actual number of arguments.
 586         * c-format.c: (check_function_format): Pass arguments in an
 587         array instead of a list.
 588         * c-common.c (check_function_nonnull): Likewise.
 589         (check_function_sentinel): Likewise.
 590         (check_function_arguments): Likewise.
 591         * c-common.h: Update declarations to reflect above changes.
 592
 593 2007-02-28  Jan Hubicka  <jh@suse.cz>
 594
 595         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
 596         PRED_NEGATIVE_RETURN): Update outcomes.
 597
 598 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
 599
 600         * calls.c (emit_library_call_value_1): Handle partial registers
 601         correctly when building up CALL_INSN_FUNCTION_USAGE.
 602
 603 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 604
 605         * pa/predicates.md (move_src_operand): Allow zero for mode.
 606         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
 607         move pattern.
 608
 609 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
 610
 611         PR target/30970
 612         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
 613         *movv2df_internal): Enable pattern only for valid operand
 614         combinations.
 615         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
 616         tie only 128bit modes. For MMX registers, tie only 64bit modes.
 617
 618 2007-02-27  Mike Stump  <mrs@apple.com>
 619
 620         * config/darwin-crt3.c: Avoid compilation when compiling for a
 621         kext multilib.
 622
 623 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
 624
 625         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
 626         FIXED_INCLUDE_DIR.
 627         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
 628         for fixed headers and limits.h.
 629         (install-include-dir, install-headers-tar, install-headers-cpio,
 630         install-headers-cp, real-install-headers-tar,
 631         real-install-headers-cpio, real-install-headers-cp): Handle
 632         include-fixed as well as include.
 633         (install-mkheaders): Don't install files that go only in include
 634         not include-fixed.
 635         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
 636         from GCC_INCLUDE_DIR.
 637         * gcc.c (process_command): Remove special -BstageN/ handling.
 638         (do_spec_1): Add include-fixed directories.
 639
 640 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 641
 642         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
 643         _smulsi3_highpart.
 644         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
 645         New functions.
 646         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
 647         patterns.
 648
 649 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
 650
 651         * c-common.c (get_priority): Add check for
 652         SUPPORTS_INIT_PRIORITY.
 653
 654 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 655
 656         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
 657
 658         * config/bfin/bfin.c: Include "cfglayout.h".
 659         (MAX_LSETUP_DISTANCE): New macro.
 660         (struct loop_info): New members incoming, incoming_src and
 661         incoming_dest.  Delete member predecessor.
 662         (length_for_loop): New function.
 663         (bfin_optimize_loop): Handle more different loop structures.
 664         (bfin_discover_loop): Rework detection of predecessor blocks by
 665         examining incoming edges.
 666         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
 667         bfin_reorg_loops.
 668         (bfin_reorder_loops): New function.
 669         (bfin_reorg_loops): Use these three new functions.
 670
 671         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
 672         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
 673         (CONSTRAINT_LEN): Add entry for 'q'.
 674         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
 675         Add 'q' constraints.
 676         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
 677         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
 678
 679         * config/bfin/bfin.md (add_with_carry): New pattern.
 680         (s_or_u, su_optab, su_modifier): New code macros/attrs.
 681         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
 682         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
 683         support unsigned multiplies too.  Removed incorrect commutativity from
 684         operand 1 constraint where appropriate.
 685         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
 686         patterns.
 687         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
 688         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
 689         New patterns.
 690         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
 691         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
 692         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
 693         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
 694         usmulhisi_hh_huh): New patterns.
 695
 696         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
 697         lshifthi3): Fix output template to use half reg for operand 2.
 698
 699         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
 700         instead of R2.
 701
 702         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
 703
 704 2007-02-27  Andreas Schwab  <schwab@suse.de>
 705
 706         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
 707
 708 2007-02-27  Jan Hubicka  <jh@suse.cz>
 709
 710         * predict.c (last_basic_block_p): Remove.
 711         (tree_estimate_probability): Update return heuristic for commonized
 712         return blocks.
 713
 714 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
 715
 716         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
 717
 718 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
 719
 720         * doc/include/gcc-common.texi (versionsubtitle): New macro.
 721         * doc/cpp.texi: Standardize title page.
 722         * doc/cppinternals.texi: Likewise.
 723         * doc/gcc.texi: Standardize title page, remove version number
 724         from copyright page.
 725         * doc/gccint.texi: Likewise.
 726         * doc/install.texi: Standardize title page, add table of
 727         contents.
 728
 729 2007-02-26  Jan Hubicka  <jh@suse.cz>
 730
 731         * predict.def: Set outcomes according to more recent results.
 732         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
 733         Remove dead predictors.
 734         * predict.c (return_prediction): Fix pasto.
 735
 736 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
 737
 738         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
 739         change; avoid a memory leak when returning early.
 740
 741 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
 742
 743         * c-decl.c (static_ctors): Move to c-common.c.
 744         (static_dtors): Likewise.
 745         (finish_function): Use c_record_cdtor_fn.
 746         (build_cdtor): Move to c-common.c.
 747         (c_write_global_declarations): Use c_build_cdtor_fns.
 748         * c-common.h (static_ctors): Declare.
 749         (static_dtors): Likewise.
 750         (c_record_cdtor_fn): Likewise.
 751         (c_build_cdtor_fns): Likewise.
 752         * c-common.c (static_ctors): New variable.
 753         (static_dtors): Likewise.
 754         (c_record_cdtor_fn): New function.
 755         (build_cdtor): Move from c-decl.c
 756         (c_build_cdtor_fns): New function.
 757
 758         * output.h (assemble_addr_to_section): Declare.
 759         (get_cdtor_priority_section): Likewise.
 760         * varasm.c (assemble_addr_to_section): New function.
 761         (get_cdtor_priority_section): Likewise.
 762         (default_named_section_asm_out_destructor): Use them.
 763         (destor_dtor_section_asm_out_destructor): Likewise.
 764         (default_named_section_asm_out_constructor): Likewise.
 765         (default_ctor_section_asm_out_constructor): Likewise.
 766         * config.gcc (*-*-vxworks*): Include vxworks.o.
 767         * config/t-vxworks (vxworks.o): New target.
 768         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
 769         (TARGET_ASM_CONSTRUCTOR): Define.
 770         (TARGET_ASM_DESTRUCTOR): Likewise.
 771         (vxworks_asm_out_constructor): Declare.
 772         (vxworks_asm_out_destructor): Likewise.
 773
 774         * c-common.c (get_priority): Check that we have not just an
 775         INTEGER_CST, but an integer constant with integeral type.
 776
 777 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
 778
 779         PR tree-optimization/30938
 780         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
 781         use &dt[nargs-1] instead of &dt[nargs] in the call to
 782         vect_is_simple_use().
 783
 784 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
 785
 786         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
 787         from register elimination as PRE_MODIFY / POST_MODIFY increments.
 788         Do not attempt to handle MEM inside auto-inc expressions.
 789         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
 790         of a register modified by an auto-inc expression.  However, do handle
 791         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
 792         (elimination_effects): Prohibit elimination of a register modified
 793         by an auto-inc expression.  Disable register elimination rules whose
 794         target register is modified by an auto-inc expression with variable
 795         increment.
 796
 797 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
 798
 799         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
 800         off-by-one error.
 801         (array_at_struct_end_p): New function.
 802         (idx_infer_loop_bounds): Use it.
 803         (estimate_numbers_of_iterations_loop): Export.
 804         * predict.c (predict_loops): Use estimated_loop_iterations_int.
 805         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
 806         (tree_estimate_probability): Call record_loop_exits.
 807         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
 808         (estimated_loop_iterations, estimated_loop_iterations_int,
 809         estimated_loop_iterations_tree): New functions.
 810         (analyze_siv_subscript_cst_affine,
 811         compute_overlap_steps_for_affine_1_2,
 812         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
 813         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
 814         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
 815         (PRED_LOOP_ITERATIONS_GUESSED): New.
 816         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
 817         * cfgloop.h (estimate_numbers_of_iterations_loop,
 818         estimated_loop_iterations_int): Declare.
 819
 820 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
 821
 822         * doc/extend.texi: Document optional priority argument to
 823         constructors and destructors.
 824         * tree.c (init_priority_for_decl): Adjust GTY markers.
 825         (init_ttree): Use priority-info hash functions for
 826         init_priority_for_decl.
 827         (tree_map_eq): Rename to ...
 828         (tree_map_base_eq): ... this.
 829         (tree_map_marked_p): Rename to ...
 830         (tree_map_base_marked_p): ... this.
 831         (tree_map_base_hash): New function.
 832         (decl_init_priority_lookup): Rework.
 833         (decl_fini_priority_lookup): New function.
 834         (decl_priority_info): New function.
 835         (decl_init_priority_insert): Use it.
 836         (decl_fini_priority_insert): Likewise.
 837         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
 838         hierarchy.
 839         (decl_restrict_base_insert): Likewise.
 840         (decl_debug_expr_insert): Likewise.
 841         (decl_value_expr_lookup): Likewise.
 842         (decl_value_expr_insert): Likewise.
 843         * tree.h (priority_type): New type.
 844         (decl_init_priority_lookup): Use priority_type.
 845         (decl_fini_priority_lookup): New function.
 846         (decl_init_priority_insert): Use priority_type.
 847         (decl_fini_priority_insert): New function.
 848         (DECL_HAS_INIT_PRIORITY): Tweak comments.
 849         (DECL_INIT_PRIORITY): Likewise.
 850         (SET_DECL_INIT_PRIORITY): Add comment.
 851         (DECL_FINI_PRIORITY): New macro.
 852         (SET_DECL_FINI_PRIORITY): Likewise.
 853         (DEFAULT_INIT_PRIORITY): Document.
 854         (MAX_INIT_PRIORITY): Likewise.
 855         (MAX_RESERVED_INIT_PRIORITY): Likewise.
 856         (tree_map_base): New type.
 857         (tree_map_base_eq): New function.
 858         (tree_map_base_hash): Likewise.
 859         (tree_map_base_marked_p): Likewise.
 860         (tree_map): Inherit from tree_map_base.
 861         (tree_map_eq): Make it a macro.
 862         (tree_map_marked_p): Likewise.
 863         (tree_int_map): Inherit from tree_map_base.
 864         (tree_int_map_eq): Make it a macro.
 865         (tree_int_map_hash): Likewise.
 866         (tree_int_map_marked_p): Likewise.
 867         (tree_priority_map): New type.
 868         (tree_priority_map_eq): New macro.
 869         (tree_priority_map_hash): Likewise.
 870         (tree_priority_map_marked_p): Likewise.
 871         * varasm.c (emults_decl): Adjust for refactoring of tree_map
 872         hierarchy.
 873         (emutls_common_1): Likewise.
 874         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
 875         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
 876         of tree_map hierarchy.
 877         * tree-cfg.c (move_stmt_r): Likewise.
 878         (new_label_mapper): Likewise.
 879         * c-tree.h (c_expand_body): Move to ...
 880         * c-common.h (c_expand_body): ... here.
 881         * c-decl.c (c_expand_body): Move to ...
 882         * c-common.c (c_expand_body): ... here.
 883         (c_common_attribute_table): Allow 1 argument for the constructor
 884         and destructor attributes.
 885         (get_priority): New function.
 886         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
 887         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
 888
 889 2007-02-24  Jan Hubicka  <jh@suse.cz>
 890
 891         PR middle-end/30509
 892         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
 893
 894 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
 895             Jan Hubicka  <jh@suse.cz>
 896
 897         PR target/30778
 898         * i386.c (counter_mode): New function.
 899         (expand_set_or_movmem_via_loop): Use it.
 900         (expand_movmem_epilogue): Likewise; fix pasto.
 901         (ix86_expand_movmem): Do emit guard even for constant counts.
 902         (ix86_expand_setmem): Likewise.
 903
 904 2007-02-25  Nick Clifton  <nickc@redhat.com>
 905
 906         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
 907         (JUMP_TABLES_IN_TEXT_SECTION): Define.
 908
 909 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
 910
 911         PR target/30770
 912         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
 913         count argument with 0x10, not with 0x16.
 914         (expand_setmem_epilogue): Ditto.
 915
 916 2007-02-24  Mike Stump  <mrs@apple.com>
 917
 918         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
 919         symbols.
 920
 921 2007-02-24  Richard Guenther  <rguenther@suse.de>
 922
 923         PR middle-end/30951
 924         * fold-const.c (fold_binary): Fold x +- CST op x for
 925         EQ_EXPR and NE_EXPR.
 926
 927 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 928
 929         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
 930
 931 2007-02-24  Jan Hubicka  <jh@suse.cz>
 932
 933         * cgraphunit.c (decide_is_function_needed): Honor
 934         -fkeep-inline-functions.
 935
 936 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 937
 938         * builtins.c (fold_builtin_modf): New.
 939         (fold_builtin_2): Use it.
 940
 941 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
 942
 943         * loop-iv.c (implies_p): Detect additional cases where A implies B.
 944         (determine_max_iter): Take additional LOOP arg; all callers changed.
 945         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
 946         one using simplifications.
 947         (simplify_using_initial_values): Return if the expression becomes
 948         invalid due to altered regs.
 949
 950 2007-02-23  DJ Delorie  <dj@redhat.com>
 951
 952         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
 953
 954 2007-02-23  Mike Stump  <mrs@apple.com>
 955
 956         * tlink.c (scan_linker_output): Parse linker messages from
 957         darwin9's linker better.
 958
 959 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
 960
 961         PR debug/29614
 962         * varpool.c (varpool_assemble_pending_decls):  Set
 963         varpool_last_needed_node to null.
 964
 965 2007-02-23  DJ Delorie  <dj@redhat.com>
 966
 967         * config/i386/i386.c (ix86_data_alignment): Don't specify an
 968         alignment bigger than the object file can handle.
 969
 970 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
 971
 972         PR target/30825
 973         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
 974         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
 975         (*movsf_1): Penalize MMX moves.
 976
 977 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
 978
 979         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
 980         2^32-1 or more times unless flag_unsafe_loop_optimizations.
 981
 982         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
 983
 984 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 985
 986         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
 987         (fold_builtin_1): Use them.
 988         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
 989         BUILT_IN_SIGNIFICAND.
 990
 991 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
 992
 993         * config/i386/i386.c (bdesc_1arg): Initialize
 994         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
 995         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
 996         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
 997         and IX86_BUILTIN_MOVSLDUP.
 998
 999 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
1000
1001         PR rtl-optimization/30841
1002         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
1003
1004 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1005
1006         * builtins.c (fold_builtin_frexp): New.
1007         (fold_builtin_2): Use it.
1008
1009 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
1010
1011         * doc/invoke.texi (Spec Files): Document getenv spec function.
1012
1013         * gcc.c (getenv_spec_function): New function.
1014         (static_spec_functions): Add it.
1015         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
1016         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
1017         header files.
1018
1019 2007-02-22  Michael Matz  <matz@suse.de
1020
1021         PR c++/29433
1022         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
1023         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
1024
1025 2007-02-22  Ian Lance Taylor  <iant@google.com>
1026
1027         PR debug/30898
1028         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
1029         (mem_loc_descriptor): Call it.
1030
1031 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
1032             Ira Rosen  <irar@il.ibm.com>
1033
1034         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
1035
1036 2007-02-22  Ira Rosen  <irar@il.ibm.com>
1037
1038         PR tree-optimization/30843
1039         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
1040         stores only after all the group is vectorized.
1041
1042 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
1043
1044         PR tree-optimization/30858
1045         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
1046         in the reduction cycle have a single use in the loop.
1047         * tree-vectorizer.h (relevant): Add documentation.
1048
1049 2007-02-20  Mike Stump  <mrs@apple.com>
1050
1051         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
1052         * configure: Regenerate.
1053
1054 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
1055
1056         Change the defaults of some parameters and options.
1057         * config/spu/spu-protos.h (spu_optimization_options): Declare.
1058         * config/spu/spu.c (spu_optimization_options): Add.
1059         (spu_override_options): Change params in spu_optimization_options.
1060         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
1061
1062         Register 127 is only 16 byte aligned when used as a frame pointer.
1063         * config/spu/spu-protos.h (spu_init_expanders): Declare.
1064         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
1065         HARD_FRAME_POINTER_REGNUM.
1066         (spu_legitimate_address):  Use regno_aligned_for_reload.
1067         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
1068         aligned when frame_pointer_needed is true.
1069         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
1070         to 8 bits.
1071         * config/spu/spu.h (INIT_EXPANDERS): Define.
1072
1073         Make sure shift and rotate instructions have valid immediate operands.
1074         * config/spu/predicates.md (spu_shift_operand): Remove.
1075         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
1076         * config/spu/constraints.md (W, O): Extend range.
1077         * config/spu/spu.md (umask, nmask): Define.
1078         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
1079         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
1080         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
1081         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
1082         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
1083         (lshr<mode>3_reg):  Fix rtl description.
1084
1085         Make sure mulhisi immediate operands are valid.
1086         * config/spu/predicates.md (imm_K_operand): Add.
1087         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
1088
1089         Generate constants using fsmbi and andi.
1090         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
1091         (print_operand, spu_split_immediate, classify_immediate,
1092         fsmbi_const_p): Handle IC_FSMBI2.
1093
1094         Correctly handle a CONST_VECTOR containing symbols.
1095         * config/spu/spu.c (print_operand): Handle HIGH correctly.
1096         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
1097         (immediate_load_p): Allow symbols that use 2 instructions to create.
1098         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
1099         with symbols when flag_pic is set.
1100         (const_vector_immediate_p): New.
1101         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
1102         accept a CONST_VECTOR with symbols.
1103         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
1104         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
1105         correctly.
1106         * config/spu/spu.md (high, low): Delete.
1107         (low_<mode>): Define.
1108
1109         Remove INTRmode and INTR_REGNUM, which didn't work.
1110         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1111         of INTR_REGNUM.
1112         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1113         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1114         peephole2 pattern): Don't use INTR or 131.
1115         (movintrcc): Delete.
1116         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1117         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1118         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1119         (UNSPEC_SET_INTR): Add.
1120         * config/spu/spu-modes.def (INTR): Remove.
1121
1122         More accurate warnings about run-time relocations.
1123         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1124
1125         Correctly warn about immediate arguments to specific intrinsics.
1126         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1127         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1128         the instruction predicate.
1129
1130         Fix tree check errors with latest update.
1131         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1132         CALL_EXPR_ARG.
1133         (spu_expand_builtin): Use CALL_EXPR_FN.
1134
1135         Add missing specific intrinsics.
1136         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1137         si_bislede.
1138         * config/spu/spu_internals.h: Ditto.
1139
1140         Fix incorrect operand modifiers.
1141         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1142         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1143
1144         Optimize one case of zero_extend of a vec_select.
1145         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1146
1147         Accept any immediate for hbr.
1148         * config/spu/spu.md (hbr):  Change s constraints to i.
1149
1150 2007-02-21  Paul Brook  <paul@codesourcery.com>
1151
1152         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1153         condexec_count when skipping USE and CLOBBER.
1154
1155 2007-02-21  Nick Clifton  <nickc@redhat.com>
1156
1157         * common.opt (Warray-bounds): Add Warning attribute.
1158         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1159         Likewise.
1160         (fsized-zeroes): Add Optimization attribute.
1161         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1162         * c.opt (Wc++0x-compat): Add Warning attribute.
1163
1164 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1165
1166         PR middle-end/30761
1167         * reload1.c (eliminate_regs_in_insn): In the single_set special
1168         case, attempt to re-recognize the insn before falling back to
1169         having reload fix it up.
1170
1171 2007-02-20  Eric Christopher  <echristo@gmail.com>
1172
1173         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1174         Rewrite accordingly.
1175         (frv_read_iacc_argument): Ditto.
1176         (frv_expand_set_builtin): Take a call instead of arglist, update for
1177         above changes.
1178         (frv_expand_unop_builtin): Ditto.
1179         (frv_expand_binop_builtin): Ditto.
1180         (frv_expand_cut_builtin): Ditto.
1181         (frv_expand_binopimm_builtin): Ditto.
1182         (frv_expand_voidbinop_builtin): Ditto.
1183         (frv_expand_int_void2arg): Ditto.
1184         (frv_expand_prefetches): Ditto.
1185         (frv_expand_voidtriop_builtin): Ditto.
1186         (frv_expand_voidaccop_builtin): Ditto.
1187         (frv_expand_load_builtin): Ditto.
1188         (frv_expand_store_builtin): Ditto.
1189         (frv_expand_mdpackh_builtin): Ditto.
1190         (frv_expand_mclracc_builtin): Ditto.
1191         (frv_expand_mrdacc_builtin): Ditto.
1192         (frv_expand_mwtacc_builtin): Ditto.
1193         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1194         calls for above.
1195
1196 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1197
1198         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1199         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1200         cmpb instruction.
1201         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1202         point instructions.
1203         * configure: Regenerate.
1204         * config.in: Regenerate.
1205         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1206         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1207         masks to power6 and power6x and to POWERPC_MASKS.
1208         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1209         _ARCH_PWR6.
1210         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1211         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1212         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1213         Access PROTOTYPE as variable, not mask.
1214
1215 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1216
1217         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1218         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1219         * combine.c (adjust_for_new_dest): Use it.
1220         * postreload.c (reload_combine): Likewise.
1221
1222 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1223
1224         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1225         notes on an insn with multiple sets, even if single_set returns
1226         non-NULL for that insn.
1227
1228 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1229
1230         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1231         scalbn and scalbln.
1232
1233 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1234
1235         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1236         if user didn't pass it.
1237         * config/i386/darwin.h (CC1_SPEC): Likewise.
1238         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1239         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1240         -mmacosx-version-min.
1241
1242 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1243             Uros Bizjak  <ubizjak@gmail.com>
1244
1245         * optabs.h (enum optab_index): Add new OTI_scalb.
1246         (scalb_optab): Define corresponding macro.
1247         * optabs.c (init_optabs): Initialize scalb_optab.
1248         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
1249         patterns.
1250         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
1251         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
1252         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
1253         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
1254         flag_unsafe_math_optimizations is set.
1255
1256         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
1257         to implement scalbf, scalb and scalbl built-ins as inline x87
1258         intrinsics.
1259
1260 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1261             DJ Delorie <dj@redhat.com>
1262
1263         PR other/30824
1264         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
1265         (diagnostic_report_diagnostic): ... here, and turn them into real
1266         errors. If warnings are inhibited, no need to do anything.
1267
1268 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
1269
1270         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
1271         better code generation.
1272
1273 2007-02-20  Ben Elliston  <bje@au.ibm.com>
1274
1275         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
1276
1277 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
1278
1279         * config/alpha/alpha.c, config/alpha/alpha.md,
1280         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
1281         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
1282         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
1283         config/arm/lib1funcs.asm: Follow spelling conventions.
1284
1285         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
1286         config/fr30/fr30.md, config/i386/i386.h,
1287         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1288         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
1289         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
1290         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
1291         config/rs6000/altivec.md, config/rs6000/rs6000.c,
1292         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
1293         config/sparc/sparc.c, config/sparc/sparc.h,
1294         config/sparc/sparc.md, config/spu/constraints.md,
1295         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
1296         conventions.
1297
1298 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
1299
1300         PR target/29943
1301         * varasm.c (use_blocks_for_decl_p): Return false for decls with
1302         alias attribute.
1303
1304 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1305
1306         * doc/invoke.texi (-ftree-lrs): Remove.
1307
1308 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
1309
1310         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
1311         NULL.
1312
1313 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
1314
1315         * config/ia64/ia64.c (ia64_expand_builtin): Use the
1316         new CALL_EXPR_FN macro for retrieving the function
1317         declaration of the input expression.
1318
1319 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1320
1321         * c.opt (Waddress): New.
1322         * common.opt (Walways-true): Delete.
1323         (Wstring-literal-comparison): Delete.
1324         * doc/invoke.texi (Warning Options): Delete -Walways-true and
1325         -Wstring-literal-comparison. Add -Waddress.
1326         (Waddress): New.
1327         (Walways-true): Delete.
1328         (Wstring-literal-comparison): Delete.
1329         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
1330         consistently instead of -Walways-true in example.
1331         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
1332         * c-typeck.c (parser_build_binary_op): Replace
1333         -Wstring-literal-comparison and -Walways-true with -Waddress.
1334         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
1335         with -Waddress.
1336
1337 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1338
1339         * tree-cfg.c (dump_function_to_file): Be prepared for functions
1340         without DECL_STRUCT_FUNCTION initialized.
1341
1342 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1343
1344         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
1345         due to calls to functions taking pointers as parameters.
1346
1347 2007-02-19  Richard Henderson  <rth@redhat.com>
1348
1349         PR debug/29558
1350         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
1351         in memory.
1352
1353 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1354
1355         * config/s390/s390.c (s390_call_saved_register_used,
1356         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
1357         accessed to the new scheme.
1358
1359 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1360
1361         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
1362         (cris_print_index, cris_print_operand, cris_print_operand_address)
1363         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
1364         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
1365         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
1366         GET_CODE () == xxx.
1367         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
1368         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
1369         GO_IF_LEGITIMATE_ADDRESS): Ditto.
1370         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
1371         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
1372         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
1373         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
1374         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
1375         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
1376         (uminsi3, call, call_value): Ditto.
1377         (define_split: indir_to_reg_split, unnamed): Ditto.
1378
1379 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
1380
1381         PR tree-optimization/30975
1382         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
1383         wrong assert.
1384
1385 2007-02-18  Eric Christopher  <echristo@gmail.com>
1386
1387         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
1388         Remove use of arglist.
1389         (mips_expand_builtin): Remove use of arglist, pass in expr.
1390         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
1391         (mips_expand_builtin_movtf): Ditto.
1392         (mips_expand_builtin_compare): Ditto.
1393
1394 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1395
1396         * tree-sra.c (sra_build_assignment): Replace assertion
1397         checking with a comment explaining why it can't be done.
1398
1399 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1400
1401         PR middle-end/30833
1402         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
1403         during CALL_EXPR representation conversion.
1404         * tree-ssa-propagate.c (set_rhs): Likewise.
1405
1406 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1407
1408         * tree-sra.c (sra_build_assignment): Disable assertion checking
1409         for now.
1410
1411 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1412
1413         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
1414         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1415         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
1416         Likewise.
1417         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
1418         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
1419         gimplify_init_ctor_eval_range, gimple_push_cleanup,
1420         gimplify_omp_for, gimplify_omp_atomic_pipeline,
1421         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
1422         force_gimple_operand): Likewise.
1423         * ipa-cp.c (constant_val_insert): Likewise.
1424         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1425         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
1426         perfect_nestify): Likewise.
1427         * langhooks.c (lhd_omp_assignment): Likewise.
1428         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
1429         lower_copyprivate_clauses, lower_send_clauses,
1430         lower_send_shared_vars, expand_parallel_call,
1431         expand_omp_for_generic, expand_omp_for_static_nochunk,
1432         expand_omp_for_static_chunk, expand_omp_sections,
1433         lower_omp_single_copy, lower_omp_for_lastprivate,
1434         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
1435         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1436         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
1437         Likewise.
1438
1439 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1440
1441         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
1442         config/sh/sh.md: Follow spelling conventions.
1443
1444         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
1445         config/frv/predicates.md: Follow spelling conventions.
1446
1447         * config/m68k/linux-unwind.h: Fix a comment typo.
1448         * target.h: Follow spelling conventions.
1449
1450 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1451
1452         PR rtl-optimization/28173
1453         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
1454         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
1455         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
1456         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
1457         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
1458
1459 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1460
1461         * builtins.c (fold_builtin_load_exponent): New.
1462         (fold_builtin_2): Use it.
1463
1464 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
1465
1466         PR rtl-optimization/30773
1467         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
1468         if we fail to attach a REG_EQUIV note.
1469
1470 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
1471             Roger Sayle  <roger@eyesopen.com>
1472
1473         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
1474
1475 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1476
1477         * calls.c (initialize_argument_information): Pass original EXP
1478         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
1479         code to split complex arguments here, as part of initializing the
1480         ARGS array.
1481         (expand_call): Remove code that builds a list of arguments and
1482         inserts implicit arguments into it.  Instead, just count how many
1483         implicit arguments there will be so we can determine the size of
1484         the ARGS array, and let initialize_argument_information do the work.
1485         (split_complex_values): Delete unused function.
1486
1487 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1488
1489         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
1490
1491 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1492
1493         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
1494         for arg pointer based indexed addressing.
1495
1496 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1497
1498         * config/ia64/ia64.h, config/ia64/ia64.md,
1499         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
1500         spelling conventions.
1501
1502 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1503
1504         * config/m68k/m68k.c (split_di): New.
1505         * config/m68k/m68k-protos.h: Declare split_di.
1506         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
1507           Improve predicate handling and split constant shifts.
1508
1509 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1510
1511         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1512         parameter for register bitfield operations, general predicates
1513         cleanup
1514
1515 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1516
1517         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
1518         * config/m68k/linux-unwind.h: New file.
1519
1520 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1521
1522         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
1523         config/i386/athlon.md, config/ia64/ia64.md,
1524         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
1525         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
1526         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
1527         tree-ssa-loop-niter.c, tree-vect-analyze.c,
1528         tree-vect-transform.c: Fix comment typos.
1529
1530 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1531
1532         * sched-deps.c (find_insn_list): Remove.
1533         * sched-int.h: Remove the prototype for find_insn_list.
1534
1535 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1536
1537         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1538         to linker.
1539         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1540         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1541         darwin_rs6000_override_options.
1542         (C_COMMON_OVERRIDE_OPTIONS): Expect
1543         darwin_macosx_version_min to be non-NULL always.
1544         (TARGET_C99_FUNCTIONS): Likewise.
1545         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1546         (DARWIN_MINVERSION_SPEC): New.
1547         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1548         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1549         to cc1*.
1550         (DARWIN_MINVERSION_SPEC): New.
1551         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1552         value.
1553         * config/darwin-c.c (darwin_cpp_builtins): Expect
1554         darwin_macosx_version_min to be non-NULL always.
1555
1556         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1557
1558 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1559
1560         * config/i386/i386.h (x86_use_xchgb): New.
1561         (TARGET_USE_XCHGB): New macro.
1562         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1563         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1564         Split after reload into bswaphi for shifts of 8.
1565         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1566         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1567         or when optimizing for size.
1568
1569 2007-02-16  Richard Guenther  <rguenther@suse.de>
1570             Christian Bruel  <christian.bruel@st.com>
1571
1572         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1573         DECLs but prefer SSA_NAMEs over DECLs.
1574
1575 2007-02-16  Richard Guenther  <rguenther@suse.de>
1576
1577         * tree-flow-inline.h (single_imm_use_p): Remove.
1578         (zero_imm_uses_p): Likewise.
1579         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1580         instead of single_imm_use_p.
1581         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1582         zero_imm_uses_p.
1583
1584 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1585
1586         PR other/27843
1587         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1588         nested double- and backquotes.
1589
1590 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1591
1592         PR middle-end/30391
1593         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1594         should be unreachable.
1595         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1596         For the time being redirect GIMPLE_MODIFY_STMT to the new
1597         (renamed) build_gimple_modify_stmt_stat.
1598         (build2_gimple_stat): Rename to...
1599         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1600         Always build a GIMPLE_MODIFY_STMT node.
1601         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1602         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1603         declarations.
1604
1605         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1606         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1607         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1608         expand_complex_div_wide): Likewise.
1609         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1610         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1611         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1612         * tree-ssa-loop-manip.c (create_iv): Likewise.
1613         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1614         abs_replacement): Likewise.
1615         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1616         realify_fake_stores): Likewise.
1617
1618         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1619         node rather than a GIMPLE_MODIFY_STMT node.
1620         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1621         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1622         Likewise.
1623         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1624         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1625         GIMPLE_MODIFY_STMT.
1626
1627 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1628
1629         PR middle-end/30433
1630         * fold-const.c (fold_comparison): Add back the
1631         folding of constant complex comparisions.
1632
1633 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1634
1635         PR middle-end/30729
1636         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1637         effects unknown to this function, return early.
1638
1639 2007-02-15  Ian Lance Taylor  <iant@google.com>
1640
1641         * lower-subreg.c (move_eh_region_note): New static function.
1642         (resolve_simple_move): Call it.
1643         (decompose_multiword_subregs): Track blocks for which we resolve a
1644         simple move which is also a control flow insn.  Pass them to
1645         find_many_sub_basic_blocks.
1646         (pass_lower_subreg): Add TODO_verify_flow.
1647         (pass_lower_subreg2): Likewise.
1648
1649 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1650             Brooks Moses  <brooks.moses@codesourcery.com>
1651             Lee Millward  <lee.millward@codesourcery.com>
1652
1653         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1654         (VL_EXP_CLASS_P): New.
1655         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1656         TREE_CODE_LENGTH.
1657         (TREE_OPERAND_CHECK_CODE): Likewise.
1658         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1659         (TREE_RTL_OPERAND_CHECK): Likewise.
1660         (tree_operand_check_failed): Make second parameter the whole tree
1661         instead of its code.  Fixed callers.
1662         (VL_EXP_CHECK): New.
1663         (TREE_OPERAND_LENGTH): New.
1664         (VL_EXP_OPERAND_LENGTH): New.
1665         (CALL_EXPR_FN): New.
1666         (CALL_EXPR_STATIC_CHAIN): New.
1667         (CALL_EXPR_ARGS): New.
1668         (CALL_EXPR_ARG): New.
1669         (call_expr_nargs): New.
1670         (CALL_EXPR_ARGP): New.
1671         (build_nt_call_list): Declare.
1672         (build_vl_exp_stat): Declare.
1673         (build_vl_exp): New.
1674         (build_call_list): Declare.
1675         (build_call_nary): Declare.
1676         (build_call_valist): Declare.
1677         (build_call_array): Declare.
1678         (call_expr_arg): Declare.
1679         (call_expr_argp): Declare.
1680         (call_expr_arglist): Declare.
1681         (fold_build_call_list): Declare.
1682         (fold_build_call_list_initializer): Declare.
1683         (fold_call_expr): Declare to replace fold_builtin.
1684         (fold_builtin_fputs): Update to agree with modified definition.
1685         (fold_builtin_strcpy): Likewise.
1686         (fold_builtin_strncpy): Likewise.
1687         (fold_builtin_memory_chk): Likewise.
1688         (fold_builtin_stxcpy_chk): Likewise.
1689         (fold_builtin_strncpy_chk): Likewise.
1690         (fold_builtin_next_arg): Likewise.
1691         (fold_build_call_expr): Declare.
1692         (fold_builtin_call_list): Declare.
1693         (fold_builtin_call_valist): Declare.
1694         (build_call_expr): Declare.
1695         (validate_arglist): Update to agree with modified definition.
1696         (tree_operand_length): New.
1697         (call_expr_arg_iterator): New.
1698         (init_call_expr_arg_iterator): New.
1699         (next_call_expr_arg): New.
1700         (first_call_expr_arg): New.
1701         (more_call_expr_args_p): New.
1702         (FOR_EACH_CALL_EXPR_ARG): New.
1703
1704         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1705         and tcc_gimple_stmt.
1706         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1707         than sizeof (char *).
1708         (tree_size): Likewise.  Add case for tcc_vl_exp.
1709         (tree_node_structure): Add case for tcc_vl_exp.
1710         (contains_placeholder_p): Likewise.
1711         (substitute_in_expr): Likewise.
1712         (substitute_placeholder_in_expr): Likewise.
1713         (stabilize_reference_1): Likewise.
1714         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1715         to diagnose breakage of this interface for constructing CALL_EXPRs.
1716         (build_nt): Add similar assertion here.
1717         (build_nt_call_list): New.
1718         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1719         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1720         TREE_CODE_LENGTH.
1721         (get_callee_fndecl): Use new CALL_EXPR accessors.
1722         (tree_operand_check_failed): Change parameters to pass entire node
1723         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1724         (process_call_operands): New.
1725         (build_vl_exp_stat): New.
1726         (build_call_list): New.
1727         (build_call_nary): New.
1728         (build_call_valist): New.
1729         (build_call_array): New.
1730         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1731         (call_expr_arglist): New.
1732
1733         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1734         tcc_vl_exp instead of a fixed-size tcc_expression.
1735
1736         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1737         accessors for CALL_EXPRs.
1738         (AGGR_INIT_EXPR): Likewise.
1739
1740 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1741             Brooks Moses  <brooks.moses@codesourcery.com>
1742             Lee Millward  <lee.millward@codesourcery.com>
1743
1744         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1745         (expand_builtin_nonlocal_goto): Change parameter to be entire
1746         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1747         (expand_builtin_prefetch): Likewise.
1748         (expand_builtin_classify_type): Likewise.
1749         (mathfn_built_in): Return NULL_TREE instead of 0.
1750         (expand_errno_check): Use new CALL_EXPR accessors.
1751         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1752         Return NULL_RTX instead of 0.
1753         (expand_builtin_mathfn_2): Likewise.
1754         (expand_builtin_mathfn_3): Likewise.
1755         (expand_builtin_interclass_mathfn): Likewise.
1756         (expand_builtin_sincos): Likewise.
1757         (expand_builtin_cexpi): Likewise.
1758         (expand_builtin_int_roundingfn): Likewise.
1759         (expand_builtin_int_roundingfn_2): Likewise.
1760         (expand_builtin_pow): Likewise.
1761         (expand_builtin_powi): Likewise.
1762         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1763         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1764         accessors and constructors.  Return NULL_RTX instead of 0.
1765         (expand_builtin_strstr): Likewise.
1766         (expand_builtin_strchr): Likewise.
1767         (expand_builtin_strrchr): Likewise.
1768         (expand_builtin_strpbrk): Likewise.
1769         (expand_builtin_memcpy): Likewise.
1770         (expand_builtin_mempcpy): Likewise.
1771         (expand_builtin_mempcpy_args): New.
1772         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1773         (expand_builtin_memmove_args): New.
1774         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1775         (expand_movstr): Likewise.
1776         (expand_builtin_strcpy): Likewise.
1777         (expand_builtin_strcpy_args): New.
1778         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1779         (expand_builtin_strncpy): Likewise.
1780         (expand_builtin_memset): Likewise.
1781         (expand_builtin_memset_args): New.
1782         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1783         (expand_builtin_memcmp): Likewise.
1784         (expand_builtin_strcmp): Likewise.
1785         (expand_builtin_strncmp): Likewise.
1786         (expand_builtin_strcat): Likewise.
1787         (expand_builtin_strncat): Likewise.
1788         (expand_builtin_strspn): Likewise.
1789         (expand_builtin_strcspn): Likewise.
1790         (expand_builtin_args_info): Likewise.
1791         (expand_builtin_va_start): Likewise.
1792         (gimplify_va_arg_expr): Likewise.
1793         (expand_builtin_va_end): Likewise.
1794         (expand_builtin_va_copy): Likewise.
1795         (expand_builtin_frame_address): Likewise.
1796         (expand_builtin_alloca): Likewise.
1797         (expand_builtin_bswap): Likewise.
1798         (expand_builtin_unop): Likewise.
1799         (expand_builtin_fputs): Likewise.
1800         (expand_builtin_expect): Likewise.
1801         (expand_builtin_fabs): Likewise.
1802         (expand_builtin_copysign): Likewise.
1803         (expand_builtin_printf): Likewise.
1804         (expand_builtin_fprintf): Likewise.
1805         (expand_builtin_sprintf): Likewise.
1806         (expand_builtin_init_trampoline): Likewise.
1807         (expand_builtin_signbit): Likewise.
1808         (expand_builtin_fork_or_exec): Likewise.
1809         (expand_builtin_sync_operation): Likewise.
1810         (expand_builtin_compare_and_swap): Likewise.
1811         (expand_builtin_lock_test_and_set): Likewise.
1812         (expand_builtin_lock_release): Likewise.
1813         (expand_builtin): Likewise.
1814         (builtin_mathfn_code): Likewise.
1815
1816         (fold_builtin_constant_p): Pass call arguments individually instead
1817         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1818         accessors and constructors.  Return NULL_TREE instead of 0.
1819         (fold_builtin_expect): Likewise.
1820         (fold_builtin_classify_type): Likewise.
1821         (fold_builtin_strlen): Likewise.
1822         (fold_builtin_nan): Likewise.
1823         (integer_valued_real_p): Likewise.
1824         (fold_trunc_transparent_mathfn): Likewise.
1825         (fold_fixed_mathfn): Likewise.
1826         (fold_builtin_cabs): Likewise.
1827         (fold_builtin_sqrt): Likewise.
1828         (fold_builtin_cbrt): Likewise.
1829         (fold_builtin_cos): Likewise.
1830         (fold_builtin_cosh): Likewise.
1831         (fold_builtin_tan): Likewise.
1832         (fold_builtin_sincos): Likewise.
1833         (fold_builtin_cexp): Likewise.
1834         (fold_builtin_trunc): Likewise.
1835         (fold_builtin_floor): Likewise.
1836         (fold_builtin_ceil): Likewise.
1837         (fold_builtin_round): Likewise.
1838         (fold_builtin_int_roundingfn): Likewise.
1839         (fold_builtin_bitop): Likewise.
1840         (fold_builtin_bswap): Likewise.
1841         (fold_builtin_logarithm): Likewise.
1842         (fold_builtin_hypot): Likewise.
1843         (fold_builtin_pow): Likewise.
1844         (fold_builtin_powi): Likewise.
1845         (fold_builtin_exponent): Likewise.
1846         (fold_builtin_memset): Likewise.
1847         (fold_builtin_bzero): Likewise.
1848         (fold_builtin_memory_op): Likewise.
1849         (fold_builtin_bcopy): Deleted; call site changed to invoke
1850         fold_builtin_memory_op directly.
1851         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1852         (fold_builtin_strncpy): Likewise.
1853         (fold_builtin_memcmp): Likewise.
1854         (fold_builtin_strcmp): Likewise.
1855         (fold_builtin_strncmp): Likewise.
1856         (fold_builtin_signbit): Likewise.
1857         (fold_builtin_copysign): Likewise.
1858         (fold_builtin_isascii): Likewise.
1859         (fold_builtin_toascii): Likewise.
1860         (fold_builtin_isdigit): Likewise.
1861         (fold_builtin_fabs): Likewise.
1862         (fold_builtin_abs): Likewise.
1863         (fold_builtin_fmin_fmax): Likewise.
1864         (fold_builtin_carg): Likewise.
1865         (fold_builtin_classify): Likewise.
1866         (fold_builtin_unordered_cmp): Likewise.
1867
1868         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1869         New functions split out from fold_builtin_1.
1870         (fold_builtin_n): New.
1871         (fold_builtin_varargs): New.
1872         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1873         instead.
1874         (fold_call_expr): New.
1875         (build_function_call_expr): Rewrite to use new helper function.
1876         (fold_builtin_call_list): New.
1877         (build_call_expr): New.
1878         (fold_builtin_call_valist): New.
1879         (rewrite_call_expr): New.
1880         (validate_arg): New.
1881         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1882         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1883         accessors.
1884
1885         (fold_builtin_strstr):  Pass call arguments individually instead
1886         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1887         accessors and constructors.  Return NULL_TREE instead of 0.
1888         (fold_builtin_strchr): Likewise.
1889         (fold_builtin_strrchr): Likewise.
1890         (fold_builtin_strpbrk): Likewise.
1891         (fold_builtin_strcat): Likewise.
1892         (fold_builtin_strncat): Likewise.
1893         (fold_builtin_strspn): Likewise.
1894         (fold_builtin_strcspn): Likewise.
1895         (fold_builtin_fputs): Likewise.
1896         (fold_builtin_next_arg): Likewise.
1897         (fold_builtin_sprintf): Likewise.
1898
1899         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1900         NULL_RTX instead of 0.
1901         (expand_builtin_memory_chk): Likewise.
1902         (maybe_emit_chk_warning): Likewise.
1903         (maybe_emit_sprintf_chk_warning): Likewise.
1904
1905         (fold_builtin_object_size): Pass call arguments individually instead
1906         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1907         accessors and constructors.  Return NULL_TREE instead of 0.
1908         (fold_builtin_memory_chk): Likewise.
1909         (fold_builtin_stxcpy_chk): Likewise.
1910         (fold_builtin_strncpy_chk): Likewise.
1911         (fold_builtin_strcat_chk): Likewise.
1912         (fold_builtin_strcat_chk): Likewise.
1913         (fold_builtin_strncat_chk): Likewise.
1914         (fold_builtin_sprintf_chk): Likewise.
1915         (fold_builtin_snprintf_chk): Likewise.
1916         (fold_builtin_printf): Likewise.
1917         (fold_builtin_vprintf): Likewise.
1918
1919         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1920         constructors.
1921         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1922         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1923         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1924         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1925         (fold_unary): Likewise.
1926         (fold_binary): Likewise.
1927         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1928         ternary expressions.
1929         (fold): Add logic for tcc_vl_exp.
1930         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1931         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1932         (fold_build3_stat): Add assertion to flag broken interface for
1933         constructing CALL_EXPRs.
1934         (fold_build_call_list): New.
1935         (fold_build_call_list_initializer): New.
1936         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1937         constructors.
1938         (fold_strip_sign_ops): Likewise.
1939
1940 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1941             Brooks Moses  <brooks.moses@codesourcery.com>
1942             Lee Millward  <lee.millward@codesourcery.com>
1943
1944         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1945         accessors and dump arguments explicitly.
1946
1947         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1948         TREE_CODE_LENGTH.
1949         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1950         explicitly.
1951         (print_call_name): Use new CALL_EXPR accessors.
1952
1953         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1954         CALL_EXPR arguments explicitly instead of as a list.  Use
1955         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1956
1957         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1958         (vrp_visit_stmt): Likewise.
1959
1960         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1961         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1962         TREE_CODE_LENGTH.
1963         (force_move_till_expr): Likewise.
1964
1965         * targhooks.c (default_external_stack_protect_fail): Use
1966         build_call_expr instead of build_function_call_expr.
1967         (default_hidden_stack_protect_fail): Likewise.
1968
1969         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1970         build the call.
1971
1972         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1973         and walk arguments explicitly.
1974
1975         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1976         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1977         (expand_simple_operations): Likewise.
1978         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1979
1980         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1981         of TREE_CODE_LENGTH.
1982         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1983
1984         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1985         instead of TREE_CODE_LENGTH.
1986
1987         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1988         (tree_ic_transform): Likewise.
1989         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1990         parameter instead of arglist.  Fix callers.
1991         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1992         (tree_stringops_transform): Likewise.
1993         (tree_indirect_call_to_profile): Likewise.
1994         (tree_stringops_values_to_profile): Likewise.
1995
1996         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1997         (eliminate_tail_call): Likewise.
1998
1999         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
2000
2001         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
2002         Use TREE_OPERAND_LENGTH and generalize to handle any number of
2003         operands.
2004         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
2005
2006         * omp-low.c (build_omp_barrier): Use build_call_expr.
2007         (lower_rec_input_clauses): Likewise.
2008         (lower_reduction_clauses): Likewise.
2009         (expand_parallel_call): Likewise.
2010         (maybe_catch_exception): Likewise.
2011         (expand_omp_for_generic): Likewise.
2012         (expand_omp_for_static_nochunk): Likewise.
2013         (expand_omp_sections): Likewise.
2014         (lower_omp_single_simple): Likewise.
2015         (lower_omp_single_copy): Likewise.
2016         (lower_omp_master): Likewise.
2017         (lower_omp_ordered): Likewise.
2018         (lower_omp_critical): Likewise.
2019
2020         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
2021         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
2022
2023         * tree-gimple.c (is_gimple_call_addr): Fix doc.
2024         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
2025         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
2026
2027         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
2028         and generalize to handle any number of operands.
2029         (chrec_contains_undetermined): Likewise.
2030         (tree_contains_chrecs): Likewise.
2031         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
2032
2033         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
2034
2035         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
2036         fold_call_expr instead of fold_builtin.
2037         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
2038         match declarations there.
2039         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
2040         updates.
2041
2042         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
2043         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2044
2045         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
2046         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
2047
2048         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
2049         accessors.
2050
2051         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
2052         (execute_cse_sincos): Use new CALL_EXPR accessors.
2053
2054         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
2055
2056         * gimple-low.c (lower_function_body): Use build_call_expr.
2057         (lower_builtin_setjmp): Likewise.
2058
2059         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
2060         (set_storage_via_libcall): Likewise.
2061         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
2062         instead of TREE_CODE_LENGTH.
2063         (expand_expr_real_1): Use new CALL_EXPR accessors.
2064
2065         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
2066         generalize to handle any number of operands.
2067         (TB_parent_eq): Likewise.
2068
2069         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
2070         (strip_builtin_expect): Likewise.
2071
2072         * function.c (gimplify_parameters): Use build_call_expr.
2073
2074         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
2075         instead of TREE_CODE_LENGTH.
2076
2077         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
2078         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
2079
2080         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
2081         iterators.
2082
2083         * gimplify.c (build_stack_save_restore): Use build_call_expr.
2084         (gimplify_decl_expr): Likewise.
2085         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
2086         Use new CALL_EXPR iterators.
2087         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
2088         (gimplify_modify_expr_to_memset): Likewise.
2089         (gimplify_variable_sized_compare): Likewise.
2090         (gimplify_omp_atomic_fetch_op): Likewise.
2091         (gimplify_omp_atomic_pipeline): Likewise.
2092         (gimplify_omp_atomic_mutex): Likewise.
2093         (gimplify_function_tree): Likewise.
2094
2095         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
2096         (call_expr_flags): Likewise.
2097         (expand_call): Likewise.
2098
2099         * except.c (expand_builtin_eh_return_data_regno): Pass entire
2100         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2101         accessors.
2102
2103         * coverage.c (create_coverage): Use build_call_expr.
2104
2105         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
2106         (temp_call_expr_obstack): New.
2107         (pool_copy_list): Delete.
2108         (temp_copy_call_expr): New.
2109         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2110         CALL_EXPR accessors.  Get rid of special goo for copying argument
2111         lists and use temp_copy_call_expr instead.
2112         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2113         CALL_EXPR accessors.
2114         (create_expression_by_pieces): Likewise.  Use build_call_array
2115         to construct the result instead of fold_build3.
2116         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2117         dealing with argument lists.
2118         (init_pre): Remove references to expression_node_pool and
2119         list_node_pool.  Init temp_call_expr_obstack instead.
2120         (fini_pre): Remove references to expression_node_pool and
2121         list_node_pool.
2122
2123         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2124         and walk arguments explicitly instead of as a list.
2125
2126         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2127         (mx_register_decls): Likewise.
2128         (mudflap_register_call): Likewise.
2129         (mudflap_finish_file): Likewise.
2130
2131         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2132         (ipa_callsite_compute_param): Likewise.
2133
2134         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2135         accessors and constructor.
2136
2137         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2138         accessors and constructor.
2139         (convert_tramp_reference): Likewise.
2140         (convert_call_expr): Likewise.
2141         (finalize_nesting_tree_1): Likewise.
2142
2143         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2144         accessors.
2145
2146         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2147
2148         * tree-inline.c (initialize_inlined_parameters): Pass entire
2149         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2150         accessors.
2151         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2152         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2153
2154         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2155         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2156         (vectorizable_reduction): Likewise.
2157         (vectorizable_call): Use new CALL_EXPR iterators.
2158         (vectorizable_conversion): Use build_call_expr.
2159         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2160         (vect_gen_widened_results_half): Use build_call_expr.
2161         (vect_setup_realignment): Likewise.
2162         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2163
2164         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2165         (pass_through_call): Likewise.
2166         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2167         fold_builtin.
2168
2169         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2170         (tree_gen_pow2_profiler): Likewise.
2171         (tree_gen_one_value_profiler): Likewise.
2172         (tree_gen_ic_func_profiler): Likewise.
2173         (tree_gen_average_profiler): Likewise.
2174         (tree_gen_ior_profiler): Likewise.
2175
2176         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2177         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2178         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2179
2180         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2181         of TREE_CODE_LENGTH.
2182
2183         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2184         of TREE_CODE_LENGTH.
2185
2186         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2187         constructor.
2188         (convert_to_integer): Likewise.
2189
2190         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2191         accessors.
2192
2193 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2194             Brooks Moses  <brooks.moses@codesourcery.com>
2195             Lee Millward  <lee.millward@codesourcery.com>
2196
2197         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2198         accessors.
2199         * config/frv/frv.c (frv_expand_builtin): Likewise.
2200         * config/s390/s390.c (s390_expand_builtin): Likewise.
2201
2202         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2203         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2204
2205         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2206         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2207         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2208         (ix86_expand_store_builtin): Likewise.
2209         (ix86_expand_unop_builtin): Likewise.
2210         (ix86_expand_unop1_builtin): Likewise.
2211         (ix86_expand_sse_compare): Likewise.
2212         (ix86_expand_sse_comi): Likewise.
2213         (ix86_expand_vec_init_builtin): Likewise.
2214         (ix86_expand_vec_ext_builtin): Likewise.
2215         (ix86_expand_vec_set_builtin): Likewise.
2216         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2217
2218         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2219         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2220
2221         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2222         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2223         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2224
2225         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2226         build_call_expr.
2227         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2228         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2229         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2230         (altivec_expand_abs_builtin): Likewise.
2231         (rs6000_expand_binop_builtin): Likewise.
2232         (altivec_expand_predicate_builtin): Likewise.
2233         (altivec_expand_lv_builtin): Likewise.
2234         (spe_expand_stv_builtin): Likewise.
2235         (altivec_expand_stv_builtin): Likewise.
2236         (rs6000_expand_ternop_builtin): Likewise.
2237         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2238         (altivec_expand_st_builtin): Likewise.
2239         (altivec_expand_dst_builtin): Likewise.
2240         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2241         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2242         (altivec_expand_vec_set_builtin): Likewise.
2243         (altivec_expand_vec_ext_builtin): Likewise.
2244         (altivec_expand_builtin): Use new CALL_EXPR accessors.
2245         (spe_expand_builtin): Likewise.
2246         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
2247         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2248         (spe_expand_evsel_builtin): Likewise.
2249         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
2250         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
2251
2252         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
2253         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2254         (arm_expand_unop_builtin): Likewise.
2255         (arm_expand_builtin): Use new CALL_EXPR accessors.
2256
2257         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
2258         accessors.
2259
2260         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
2261         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2262         (bfin_expand_unop_builtin): Likewise.
2263         (bfin_expand_builtin): Use new CALL_EXPR accessors.
2264
2265 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2266             Brooks Moses  <brooks.moses@codesourcery.com>
2267             Lee Millward  <lee.millward@codesourcery.com>
2268
2269         * c-semantics.c (build_stmt): Add internal diagnostic check.
2270
2271         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
2272         accessors.  Print arguments explicitly instead of as a list.
2273
2274         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
2275
2276         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
2277         (c_finish_omp_flish): Likewise.
2278
2279         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
2280         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
2281         instead of TREE_CODE_LENGTH.
2282         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
2283         (c_warn_unused_result): Likewise.
2284
2285 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2286
2287         PR c/26494
2288         * doc/invoke.texi (Warning Options): Remove
2289         -Werror-implicit-function-declaration.
2290         (Wimplicit-function-declaration): Update description.
2291         * opts.c (common_handle_option): Move handling of -Werror=* to...
2292         (enable_warning_as_error): ...here.
2293         * opts.h (enable_warning_as_error): Declare.
2294         * c-decl.c (implicit_decl_warning): Unless
2295         -Wno-implicit-function-declaration is given, emit a pedwarn if
2296         -std=c99 or emit a warning if -Wimplicit-function-declaration.
2297         * c.opt (Wimplicit-function-declaration): Replace
2298         mesg_implicit_function_declaration with
2299         warn_implicit_function_declaration.
2300         * c-opts.c (c_common_handle_option):
2301         -Werror-implicit-function-declaration is exactly equal as
2302         -Werror=implicit-function-declaration.
2303         (set_Wimplicit): Replace mesg_implicit_function_declaration with
2304         warn_implicit_function_declaration.
2305         (c_common_post_options): -Wimplict-function-declaration is enabled
2306         by default by -std=c99, otherwise is disabled by default.
2307         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
2308
2309 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2310
2311         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
2312         DECL on the rhs to a DECL on the lhs for debug info purposes if the
2313         former is ignored but not the latter.
2314
2315 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2316
2317         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
2318         is made and the reference doesn't use the alias set of its type,
2319         do not create the temporary using that type.
2320
2321 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
2322
2323         * jump.c: Remove prototypes for delete_computation and
2324         delete_prior_computation.
2325
2326 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2327
2328         * jump.c (get_label_after): Delete.
2329         (get_label_before, delete_computation, delete_jump,
2330         delete_prior_computation, follow_jumps): Move...
2331         * reorg.c (delete_computation, delete_prior_computation): ... here...
2332         (get_label_before, delete_jump): ... making these static ...
2333         (follow_jumps): ... and simplifying this since it only runs after
2334         reload.
2335         * rtl.h (get_label_after, get_label_before, delete_jump,
2336         follow_jumps): Delete prototypes.
2337
2338 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2339
2340         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
2341
2342 2007-02-15  Nick Clifton  <nickc@redhat.com>
2343
2344         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
2345         order to prevent it from being munged by the target.
2346
2347 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
2348
2349         * config/i386/i386.md: Remove misleading comment.
2350
2351 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2352
2353         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
2354         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
2355         invalid patterns.
2356
2357 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2358
2359         * tree-sra.c (instantiate_missing_elements): Canonicalize
2360         bit-field types.
2361         (sra_build_assignment): New.
2362         (generate_copy_inout, generate_element_copy,
2363         generate_element_zero, generate_one_element_init): Use it.
2364
2365 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2366
2367         * tree-sra.c (instantiate_missing_elements): Canonicalize
2368         bit-field types.
2369         (sra_build_assignment): New.
2370         (generate_copy_inout, generate_element_copy,
2371         generate_element_zero, generate_one_element_init): Use it.
2372
2373 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2374
2375         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
2376         limbo die nodes.
2377
2378 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
2379
2380         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
2381         types as aggregates not scalars.
2382         * function.c (assign_stack_temp_for_type): Likewise.
2383
2384 2007-02-14  Roger Sayle  <roger@eyesopen.com>
2385             Zdenek Dvorak  <dvorakz@suse.cz>
2386
2387         * tree-dump.c (dump_switch_p_1): Require exact match of the option
2388         name.
2389
2390 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
2391
2392         * passes.c (next_pass_1): Clear the next field of the copied
2393         pass structure.
2394
2395 2007-02-14  Richard Henderson  <rth@redhat.com>
2396
2397         * tree-sra.c (early_sra): New.
2398         (decl_can_be_decomposed_p): Deny va_list if early_sra.
2399         (tree_sra_early, pass_sra_early): New.
2400         * tree-pass.h (pass_sra_early): Declare.
2401         * passes.c (init_optimization_passes): Use it.
2402
2403 2007-02-14  Richard Guenther  <rguenther@suse.de>
2404
2405         * flags.h (issue_strict_overflow_warning): Convert to a macro.
2406
2407 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
2408
2409          PR tree-optimization/30771
2410         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
2411         also phi nodes.
2412         (vect_analyze_operations): Induction phis can now be marked as
2413         used_in_loop.
2414         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
2415         Update documentation accordingly.
2416
2417 2007-02-14  Nick Clifton  <nickc@redhat.com>
2418
2419         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
2420         most 3 arguments are supported.
2421         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
2422
2423 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
2424
2425         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
2426         Ensure dst->current is valid.
2427
2428 2007-02-13  Paul Brook  <paul@codesourcery.com>
2429
2430         * config.gcc: Add arm*-*-uclinux-*eabi.
2431         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
2432         (SUBTARGET_EXTRA_LINK_SPEC): Define.
2433         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
2434         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
2435         (LINK_SPEC): Define.
2436         (LIB_SPEC): Define.
2437         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
2438         register.
2439         * config/arm/uclinux-eabi.h: New file.
2440         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
2441         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
2442         based targets.
2443
2444 2007-02-13  Ian Lance Taylor  <iant@google.com>
2445
2446         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
2447         * flags.h (warn_strict_overflow): Declare.
2448         (enum warn_strict_overflow_code): Define.
2449         (issue_strict_overflow_warning): New static inline function.
2450         * opts.c (warn_strict_overflow): New variable.
2451         (common_handle_option): Handle OPT_Wstrict_overflow and
2452         OPT_Wstrict_overflow_.
2453         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
2454         OPT_Wall.
2455         * fold-const.c: Include intl.h.
2456         (fold_deferring_overflow_warnings): New static variable.
2457         (fold_deferred_overflow_warning): New static variable.
2458         (fold_deferred_overflow_code): New static variable.
2459         (fold_defer_overflow_warnings): New function.
2460         (fold_undefer_overflow_warnings): New function.
2461         (fold_undefer_and_ignore_overflow_warnings): New function.
2462         (fold_deferring_overflow_warnings_p): New function.
2463         (fold_overflow_warning): New static function.
2464         (make_range): Add strict_overflow_p parameter.  Change all
2465         callers.
2466         (extract_muldiv, extract_muldiv_1): Likewise.
2467         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
2468         tree_expr_nonnegative_p.
2469         (fold_negate_expr): Call fold_overflow_warning.
2470         (fold_range_test): Likewise.
2471         (fold_comparison): Likewise.
2472         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
2473         instead of tree_expr_nonnegative_p.
2474         (tree_expr_nonnegative_warnv_p): Rename from
2475         tree_expr_nonnegative_p, add strict_overflow_p parameter.
2476         (tree_expr_nonnegative_p): New function.
2477         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
2478         strict_overflow_p parameter.
2479         (tree_expr_nonzero_p): New function.
2480         * passes.c (verify_interpass_invariants): New static function.
2481         (execute_one_pass): Call it.
2482         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
2483         warnings.
2484         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
2485         (estimate_numbers_of_iterations): Likewise.
2486         (scev_probably_wraps_p): Likewise.
2487         * tree-ssa-ccp.c: Include "toplev.h".
2488         (evaluate_stmt): Defer fold overflow warnings until we know we are
2489         going to optimize.
2490         (struct fold_stmt_r_data): Add stmt field.
2491         (fold_stmt_r): Defer fold overflow warnings until we know we
2492         optimized.
2493         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
2494         (fold_stmt_inplace): Likewise.
2495         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
2496         (cleanup_control_expr_graph): Defer fold overflow warnings until
2497         we know we are going to optimize.
2498         * tree-cfg.c (fold_cond_expr_cond): Likewise.
2499         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
2500         Likewise.
2501         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2502         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
2503         * tree-ssa-loop-manip.c (create_iv): Likewise.
2504         * c-typeck.c (build_conditional_expr): Likewise.
2505         (build_binary_op): Likewise.
2506         * tree-vrp.c (vrp_expr_computes_nonzero): Call
2507         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
2508         (extract_range_from_unary_expr): Likewise.
2509         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2510         assuming that signed overflow does not occur.
2511         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2512         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2513         (fold_defer_overflow_warnings): Declare.
2514         (fold_undefer_overflow_warnings): Declare.
2515         (fold_undefer_and_ignore_overflow_warnings): Declare.
2516         (fold_deferring_overflow_warnings_p): Declare.
2517         (tree_expr_nonzero_warnv_p): Declare.
2518         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
2519         of warning options.
2520         (Warning Options): Document -Wstrict-overflow.
2521         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
2522         (tree-ssa-ccp.o): Likewise.
2523         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
2524         (fold-const.o): Depend on intl.h.
2525
2526 2007-02-13  Ian Lance Taylor  <iant@google.com>
2527
2528         PR middle-end/30751
2529         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2530         addresses.
2531
2532 2007-02-13  Stuart Hastings  <stuart@apple.com>
2533
2534         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2535
2536 2007-02-13  Richard Henderson  <rth@redhat.com>
2537
2538         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2539         handled_component_p before looking for the indirect_ref.
2540
2541 2007-02-13  Richard Henderson  <rth@redhat.com>
2542
2543         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2544         remove flags clobber.
2545         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2546         (bswaphi_lowpart): New.
2547         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2548         remove TARGET_BSWAP test.  Delete expander of the same name.
2549
2550         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2551         (expand_unop): Use them.
2552
2553 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2554
2555         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2556         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2557         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2558         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2559         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2560         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2561         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2562         assembler dialect choice from asm templates.
2563
2564 2007-02-12  Richard Henderson  <rth@redhat.com>
2565
2566         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2567         (fixuns_trunc<SSEMODEF>si2): Use it.
2568         * config/i386/sse.md (vec_setv4sf_0): Export.
2569         * config/i386/i386.c (ix86_build_const_vector): Export.
2570         (ix86_split_convert_uns_si_sse): Rename from
2571         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2572         * config/i386/i386-protos.h: Update.
2573
2574 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2575
2576         PR c/29521
2577         * c-typeck.c (c_finish_return): Improve warning message.
2578
2579 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2580
2581         * alias.c (find_symbolic_term): Delete unused function.
2582
2583 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2584
2585         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2586         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2587         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2588
2589 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2590
2591         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2592         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2593         the function, temporarily point the debug interface to the null one.
2594
2595 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2596
2597         * dwarf2out.c (round_up_to_align): New static function.
2598         (field_byte_offset): Use it to round the offset.
2599
2600 2007-02-12  Richard Henderson  <rth@redhat.com>
2601
2602         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2603         (inswl_const): Export.
2604
2605 2007-02-12  Richard Henderson  <rth@redhat.com>
2606
2607         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2608         result mode of the libcall, convert back to outmode.
2609
2610 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2611
2612         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2613         (bswapdi2): New define_expand to implement 32-bit implementation.
2614
2615 2007-02-12  Nick Clifton  <nickc@redhat.com>
2616
2617         * doc/invoke.texi (Overall Options): Document --help=.
2618         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2619         (cc1_options): Pass --help= on to cc1.
2620         (display_help): Add description of --help=.
2621         (process_command): Add code to handle --help=.  Allow translated
2622         --help and --target-help switches to be passed on to compiler
2623         sub-process.
2624         (main): Remove unused if statement.
2625         * opts.c (columns): Remove.
2626         (LEFT_COLUMN): Define.
2627         (wrap_help): Add columns argument.
2628         (print_filtered_help): Change parameters to be an include bitmask,
2629         an exclude bitmask, an any bitmask and the column width.  Move the
2630         code to display the params list here.  Add code to display the
2631         status of options rather than their descriptions if the quiet flag
2632         is not active.
2633         (print_specific_help): Change parameters to be an include bitmask,
2634         an exclude bitmask and an any bitmask.  Move code to look up the
2635         column width here.  Decide upon the title for an options listing.
2636         (common_handle_options): Add code to handle --help=.  Adapt code
2637         for --help and --target-help to use the revised form of the
2638         print_specific_help function.
2639         (print_help): Delete.
2640         (print_param_help): Delete.
2641         (print_switch): Delete.
2642         * opts.h (cl_lang_count): Add prototype.
2643         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2644         CL_MAX_OPTION_CLASS): New defines.
2645         * optc-gen.awk: Add construction of cl_lang_count.
2646         * c.opt: Add Warning attribute to warning options and Optimization
2647         attribute to optimization options.
2648         * common.opt: Likewise.
2649         Add --help=.
2650         Add -fhelp and -ftarget-help as aliases for the transformed --help
2651         and --target-help options.
2652         * opt-functions.awk: Add code to handle Warning and Optimization
2653         attributes.
2654
2655 2007-02-12  Richard Henderson  <rth@redhat.com>
2656
2657         * config/alpha/constraints.md: New file.
2658         * config/alpha/alpha.c: Include tm-constrs.h.
2659         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2660         alpha_extra_constraint): Remove.
2661         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2662         * config/alpha/alpha-protos.h: Update.
2663         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2664         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2665         (EXTRA_CONSTRAINT): Remove.
2666         * config/alpha/alpha.md: Include constraints.md.
2667         (adddi splitter): Use satisfies_constraint_*.
2668         * config/alpha/predicates.md (add_operand): Likewise.
2669         (sext_add_operand, addition_operation): Likewise.
2670
2671 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2672
2673         PR tree-optimization/29145
2674         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2675         in our handling of restrict qualified pointers.
2676
2677 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2678
2679         PR middle-end/7651
2680         * doc/invoke.texi (Wunused-value): Update description.
2681         (Wextra): Delete item.
2682         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2683         value of Wunused-value.
2684         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2685         (c_finish_stmt_expr): Don't check extra_warnings.
2686         (emit_side_effect_warnings): The caller is responsible to check
2687         warn_unused_value.
2688
2689 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2690             Matt Thomas  <matt@3am-software.com>
2691
2692         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2693
2694 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2695
2696         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2697         comparisons of POPCOUNT against zero.
2698         (simplify_const_relational_operation): Likewise.
2699
2700 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2701
2702         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2703
2704 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2705
2706         * dwarf2out.c (root_type): Delete unused function.
2707
2708 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2709
2710         * genattrtab.c (contained_in_p): Delete unused function.
2711         (write_expr_attr_cache): Likewise.
2712
2713 2007-02-11  Jan Hubicka  <jh@suse.cz>
2714
2715         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2716         previous patch.
2717
2718 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2719
2720         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2721         to add the REG_EQ* note.
2722         * see.c (see_merge_one_use_extension): Likewise.
2723         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2724         turn REG_EQUAL notes into REG_EQUIV notes if the target
2725         register may have more than one set.
2726         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2727         * gcse.c (try_replace_reg): Likewise.
2728         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2729         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2730         more than one REG_EQUIV note.
2731         * reload1.c (gen_reload): Use set_unique_reg_note.
2732
2733 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2734
2735         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2736         (ix86_builtin_conversion): New function.
2737
2738 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2739
2740         PR target/29487
2741         * tree.h (DECL_REPLACEABLE_P): New macro.
2742         * except.c (set_nothrow_function_flags): Likewise.
2743
2744 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2745             Ira Rosen  <irar@il.ibm.com>
2746             Dorit Nuzman  <dorit@il.ibm.com>
2747
2748         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2749         * targhooks.c (default_builtin_vectorized_conversion): New.
2750         * targhooks.h (default_builtin_vectorized_function): New declaration.
2751         * target.h (struct vectorize): Add builtin_conversion field.
2752         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2753         stmt_vec_info_type value.
2754         (vectorizable_conversion): New declaration.
2755         * tree-vect-analyze.c (vect_analyze_operations): Add
2756         vectorizable_conversion call.
2757         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2758         * tree-vect-transform.c (vectorizable_conversion): New function.
2759         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2760         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2761         mode.
2762         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2763         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2764         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2765         or ALTIVEC_BUILTIN_VCFSX.
2766
2767 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2768
2769         PR target/30634
2770         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2771         CONST_DOUBLE and operand 0 is a hard register.
2772         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2773         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2774         is a hard floating-point register.
2775
2776 2007-02-10  Richard Henderson  <rth@redhat.com>
2777             Jakub Jelinek  <jakub@redhat.com>
2778             Alexandre Oliva  <aoliva@redhat.com>
2779
2780         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2781         * builtin-types.def (BT_WORD): Make unsigned.
2782         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2783         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2784         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2785         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2786         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2787         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2788         emulated tls.
2789         * expr.c (emutls_var_address): New.
2790         (expand_expr_real_1): Expand emulated tls.
2791         (expand_expr_addr_expr_1): Likewise.
2792         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2793         * output.h (emutls_finish): Declare.
2794         * toplev.c (compile_file): Call it.
2795         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2796         address before wrapping in CONST.
2797         * varasm.c (emutls_htab, emutls_object_type): New.
2798         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2799         (get_emutls_object_name, get_emutls_object_type): New.
2800         (get_emutls_init_templ_addr, emutls_decl): New.
2801         (emutls_common_1, emutls_finish): New.
2802         (assemble_variable): When emulating tls, swap decls; generate
2803         constructor for the emutls objects.
2804         (do_assemble_alias): When emulating tls, swap decl and target name.
2805         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2806         for emulated tls.
2807         * varpool.c (decide_is_variable_needed): Look at force_output.
2808         Recurse for emulated tls.
2809         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2810         with decide_is_variable_needed.
2811         * emutls.c: New file.
2812         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2813         tls_object for real tls.
2814
2815 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2816
2817         PR rtl-optimization/29599
2818         * reload1.c (eliminate_regs_in_insn): Take the destination
2819         mode into account when computing the offset.
2820
2821 2007-02-09  Stuart Hastings  <stuart@apple.com>
2822             Richard Henderson  <rth@redhat.com>
2823
2824         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2825         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2826         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2827         fixuns_truncdfhi2): New.
2828         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2829         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2830         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2831         (floatunssidf2): Allow nonimmediate source.
2832         * gcc/config/i386/sse.md (movdi_to_sse): New.
2833         (vec_concatv2di): Drop '*'.
2834         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2835         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2836         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2837         New.
2838         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2839         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2840         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2841         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2842         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2843         ix86_build_const_vector.
2844         (x86_emit_floatuns): Rewrite.
2845
2846 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2847
2848         * genautomata.c (longest_path_length): Delete unused function.
2849         (struct state): Delete unused longest_path_length.
2850         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2851         (get_free_state): Delete unused.
2852
2853 2007-02-09  Jan Hubicka  <jh@suse.cz>
2854
2855         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2856         * doc/invoke.texi (inline-unit-growth): Update default value.
2857
2858         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2859         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2860         (rebuild_cgraph_edges): Likewise.
2861         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2862         (dump_cgraph_node): Dump frequencies.
2863         (cgraph_clone_edge): Add frequency scales.
2864         (cgraph_clone_node): Add freuqnecy.
2865         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2866         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2867         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2868         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2869         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2870         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2871         (save_inline_function_body): Likewise.
2872         * ipa-inline.c: inluce rtl.h
2873         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2874         (cgraph_edge_badness): Use frequencies.
2875         (cgraph_decide_recursive_inlining): Update clonning.
2876         (cgraph_decide_inlining_of_small_function): Dump frequency.
2877         * predict.c (estimate_bb_frequencies): Export.
2878         * predict.h (estimate_bb_frequencies): Declare.
2879         * tree-inline.c (copy_bb): Watch overflows.
2880         (expand_call_inline): Update call of cgraph_create_edge.
2881         (optimize_inline_calls): Use TODO flags to update frequnecies.
2882         * passes.h: Include predict.h
2883         (init_optimization_passes): Move profile ahead.
2884         (execute_function_todo): Handle TODO_rebuild_frequencies.
2885
2886 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2887
2888         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2889         the insbl or inswl pattern into a register.
2890
2891 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2892
2893         * config/ia64/ia64.md (bswapdi2): New define_insn.
2894
2895 2007-02-09  Richard Henderson  <rth@redhat.com>
2896
2897         * config/i386/constraints.md (Ym): New constraint.
2898         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2899         (movdi_1_rex64): Split sse and xmm general register moves from
2900         memory move alternatives.  Use conditional register constraints.
2901         (movsf_1, movdf_integer): Likewise.
2902         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2903         (movdf_integer_rex64): New.
2904         (pushsf_rex64): Fix output constraints.
2905         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2906         (sse2_stored): Likewise.
2907         (sse2_storeq_rex64): New.
2908         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2909         amd and not generic.
2910         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2911         for optimize_size.  Remove SF/DFmode hack.
2912
2913 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2914
2915         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2916         (bit_SSE4a): New.
2917
2918 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2919             Richard Sandiford  <richard@codesourcery.com>
2920
2921         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2922         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2923         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2924         m68k/t-mlib to tmake_file.
2925         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2926         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2927         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2928         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2929         variable is not empty, add t-$m68k_arch_family to tmake_file.
2930         Add t-mlibs to tmake_file.
2931         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2932         * config/m68k/t-cf: New file.
2933         * config/m68k/t-m68k: Likewise.
2934         * config/m68k/t-mlibs: Likewise.
2935         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2936         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2937         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2938         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2939         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2940         Delete.
2941         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2942         (INSTALL_LIBGCC): Delete.
2943         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2944         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2945         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2946         (M68K_MLIB_CPU): Define.
2947         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2948         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2949         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2950
2951 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2952             Richard Guenther  <rguenther@suse.de>
2953
2954         PR middle-end/23361
2955         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2956         against INT_MIN/INT_MAX.
2957         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2958         file if a loop is removed.
2959
2960 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2961
2962         * calls.c (store_one_arg): Pass correct alignment to
2963         emit_push_insn for non-BLKmode values.
2964         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2965         unaligned stack slot via a suitably aligned slot.
2966
2967 2007-02-08  DJ Delorie  <dj@redhat.com>
2968
2969         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2970         warnings.
2971         (legal_subregs): Use unsigned char, make const.
2972         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2973
2974 2007-02-08  Paul Brook  <paul@codesourcery.com>
2975
2976         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2977         special interworking needed.
2978
2979 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2980
2981         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2982         conditional to __SSE2__.
2983         (Entries below should have been added to first ChangeLog
2984         entry for amdfam10 dated 2007-02-05)
2985         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2986         defined.
2987         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2988         defined.
2989         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2990         defined.
2991
2992 2007-02-08  DJ Delorie  <dj@redhat.com>
2993
2994         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2995         * config/m32c/m32c.c (legal_subregs): New.
2996         (m32c_illegal_subreg_p): New.
2997         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2998         unsupported subregs of hard regs.
2999
3000 2007-02-08  Jan Hubicka  <jh@suse.cz>
3001
3002         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
3003         the same one; always update histograms.
3004
3005 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3006
3007         * passes.c (init_optimization_passes): Tidy comment.
3008
3009 2007-02-08  Roger Sayle  <roger@eyesopen.com>
3010
3011         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
3012         strip zero_extend, bswap and rotates from POCOUNT's argument.
3013         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
3014         zero_extend and rotates from PARITY's argument.
3015         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
3016         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
3017         of an integer constant at compile-time.
3018
3019 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
3020
3021         PR 30562
3022         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
3023         Update all users.
3024         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
3025         users.
3026         (init_alias_info):
3027         * tree-ssa-live.c (remove_unused_locals): Do not remove
3028         TREE_ADDRESSABLE variables.
3029         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
3030         * tree-ssa-operands.c (add_virtual_operand): Remove argument
3031         FOR_CLOBBER.  Update all users.
3032         If VAR has an associated alias set, add a virtual operand for
3033         it if no alias is found to conflict with the memory reference.
3034
3035 2007-02-07  Jan Hubicka  <jh@suse.cz>
3036             Robert Kidd <rkidd@crhc.uiuc.edu>
3037
3038         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
3039
3040 2007-02-07  Ian Lance Taylor  <iant@google.com>
3041
3042         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
3043
3044 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3045
3046         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
3047         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
3048         tablejumpdi, movsi_to_cr_one): Remove constraints from
3049         define_expand's match_operands.
3050
3051 2007-02-07  Roger Sayle  <roger@eyesopen.com>
3052
3053         * global.c (compute_regsets): Move declatation of "i" inside of
3054         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
3055
3056 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
3057
3058         PR c++/30703
3059         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
3060         of INDIRECT_REF <RESULT_DECL>.
3061
3062         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
3063
3064 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
3065             Kaz Kojima  <kkojima@gcc.gnu.org>
3066
3067         PR target/29746
3068         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
3069         properly.
3070         (sh_initialize_trampoline): Add parentheses to avoid a warning.
3071
3072 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
3073
3074         * doc/loop.texi: Document possibility not to perform disambiguation
3075         of loops with multiple latches.
3076         * cfgloopmanip.c (alp_enum_p): Removed.
3077         (add_loop): Handle subloops.  Use get_loop_body_with_size.
3078         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
3079         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
3080         the new forwarder block.
3081         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
3082         Handle the case latch is NULL.
3083         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
3084         when marking loop exits.
3085         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
3086         be modified.
3087         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
3088         disambiguate_loops_with_multiple_latches.
3089         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
3090         before fix_loop_structure.
3091         * cfgloop.c: Include pointer-set.h and output.h.
3092         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
3093         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
3094         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
3095         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
3096         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
3097         disambiguate_multiple_latches, get_loop_body_with_size,
3098         disambiguate_loops_with_multiple_latches): New functions.
3099         (flow_loop_dump): Dump multiple latch edges.
3100         (flow_loop_nodes_find): Handle loops with multiple latches.
3101         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
3102         (glb_enum_p): Modified.
3103         (get_loop_body): Use get_loop_body_with_size.
3104         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
3105         (AVOID_CFG_MODIFICATIONS): New constant.
3106         (disambiguate_loops_with_multiple_latches, add_loop,
3107         get_loop_body_with_size): Declare.
3108         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3109
3110 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3111
3112         PR inline-asm/28686
3113         * global.c (compute_regsets): New function.
3114         (global_alloc): Refactored ELIMINABLE_REGSET
3115         and NO_GLOBAL_ALLOC_REGS computation out.
3116         (rest_of_handle_global_alloc): Call compute_regsets()
3117         for non-optimizing case.
3118
3119 2007-02-06  Richard Henderson  <rth@redhat.com>
3120
3121         * config/i386/constraints.md (Y2): Rename from Y.
3122         (Yi): New constraint.
3123         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3124         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3125         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3126         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3127         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3128         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3129         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3130         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3131         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3132         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3133         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3134         vec_extractv2si_1): Change Y constraints to Y2.
3135         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3136         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3137         Change Y constraints to Y2.
3138         (sse2_loadld): Change Y constraints to x.
3139
3140 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3141
3142         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3143         (parity<mode>2): New define_expand using rs6000_emit_parity.
3144         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3145         rs6000_emit_parity): New functions.
3146         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3147         rs6000_emit_parity): Prototype here.
3148
3149 2007-02-06  Ian Lance Taylor  <iant@google.com>
3150
3151         * lower-subreg.c (simple_move_operand): Reject CONST.
3152         (resolve_clobber): Call validate_change rather than directly
3153         assigning to XEXP (pat, 0).
3154
3155 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3156
3157         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3158         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3159         (tree-cfg.o): Remove hashtab.h dependency.
3160
3161         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3162         (struct ivopts_data): Change niters to pointer_map_t.
3163         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3164         (niter_for_exit): Create pointer_map on demand.  Change for
3165         pointer_map API.
3166         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3167         (free_loop_data): Destroy data->niters if created and reset field.
3168         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3169         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3170
3171         * tree-ssa-reassoc.c: Include pointer-set.h.
3172         (bb_rank): Change to long *.
3173         (operand_rank): Change to pointer_map_t.
3174         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3175         (insert_operand_rank): Accept long.
3176         (operand_entry_hash, operand_entry_eq): Remove.
3177         (get_rank): Return long.  Adjust for changes above.
3178         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3179         and operand_rank.
3180         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3181
3182         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3183         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3184         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3185         is not NULL.
3186         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3187         directly since it cannot be NULL.
3188         (get_vi_for_tree): Rewrite for pointer_map API.
3189         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3190         (init_alias_vars): Create vi_for_tree as pointer_map.
3191         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3192
3193         * tree-cfg.c: Don't include hashtab.h.
3194         (edge_to_cases): Declare as pointer_map.
3195         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3196         Delete.
3197         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3198         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3199         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3200         destroying it.
3201         (record_switch_edge): Delete.
3202         (get_cases_for_edge): Adjust for pointer_map API, inline
3203         record_switch_edge (rewritten for new API), remove goto.
3204
3205 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3206
3207         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3208         * tree-nested.c: Include pointer-set.h.
3209         (var_map_elt, var_map_eq, var_map_hash): Delete.
3210         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3211         to pointer_map_t's.
3212         (nesting_info_bitmap_obstack): New.
3213         (lookup_field_for_decl): Adjust for pointer_map API.
3214         (lookup_tramp_for_decl): Adjust for pointer_map API.
3215         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3216         (get_local_debug_decl): Adjust for pointer_map API.
3217         (convert_nl_goto_reference): Adjust for pointer_map API.
3218         (convert_nl_goto_receiver): Adjust for pointer_map API.
3219         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3220         the new obstack.  Create field_map and var_map as pointer_maps.
3221         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3222         (root): Delete.
3223         (lower_nested_functions): Move root here, no need to NULL it.
3224         Initialize and release the obstack.
3225
3226 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3227
3228         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3229         Remove prototypes and make them non-static.
3230         (struct tree_int_map): Remove.
3231         * tree.h (struct tree_int_map): Move here, turning TO into an
3232         unsigned int.
3233         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3234
3235         * tree.h (TREE_COMPLEXITY): Remove.
3236         (struct tree_exp): Remove complexity field.
3237         * tree.c (build1_stat): Don't set it.
3238
3239 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3240             Victor Kaplansky  <victork@il.ibm.com>
3241
3242         * tree-vectorizer.c (vect_is_simple_use): Support induction.
3243         (vect_is_simple_reduction): Support reduction with induction as
3244         one of the operands.
3245         (vect_is_simple_iv_evolution): Fix formatting.
3246         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
3247         formatting.  Don't mark induction phis for vectorization.
3248         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
3249         * tree-vect-transform.c (get_initial_def_for_induction): New function.
3250         (vect_get_vec_def_for_operand): Support induction.
3251         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
3252         induction case.
3253         (vectorizable_reduction): Support reduction with induction as one of
3254         the operands.
3255         (vectorizable_type_demotion): Use def-type of stmt argument rather
3256         than dummy def-type.
3257
3258         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
3259         flag_tree_scev_cprop.
3260         * common.opt (tree-scev-cprop): New flag.
3261
3262         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
3263         call to vect_get_new_vect_var.
3264
3265 2007-02-06  Ira Rosen  <irar@il.ibm.com>
3266
3267         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
3268         vectype is not NULL.
3269         (vect_pattern_recog_1): Likewise.
3270
3271 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3272
3273         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
3274         (fold_negate_expr): Likewise.
3275
3276 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
3277
3278         PR debug/30189
3279         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
3280         even if cv-qualification is the same.
3281
3282 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
3283
3284         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
3285         __enable_execute_stack on completion.
3286
3287 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3288
3289         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
3290         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
3291         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
3292         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
3293         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
3294         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
3295         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
3296         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
3297
3298 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3299
3300         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
3301         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
3302         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
3303         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
3304         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
3305         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
3306         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
3307         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
3308         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
3309         umuldi3_highpart_rex64, umulsi3_highpart_insn,
3310         umulsi3_highpart_zext, smuldi3_highpart_rex64,
3311         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
3312         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
3313         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
3314         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
3315         sqrtextenddfxf2_i387): Added amdfam10_decode.
3316
3317         * config/i386/athlon.md (athlon_idirect_amdfam10,
3318         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
3319         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
3320         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
3321         athlon_ivector_store_amdfam10): New define_insn_reservation.
3322         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
3323         amdfam10.
3324
3325 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3326
3327         * config/i386/athlon.md (athlon_call_amdfam10,
3328         athlon_pop_amdfam10, athlon_lea_amdfam10): New
3329         define_insn_reservation.
3330         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
3331         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
3332         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
3333
3334 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3335
3336         * config/i386/athlon.md (athlon_sseld_amdfam10,
3337         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
3338         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
3339
3340 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3341
3342         * config/i386/athlon.md (athlon_sseins_amdfam10): New
3343         define_insn_reservation.
3344         * config/i386/i386.md (sseins): Added sseins to define_attr type
3345         and define_attr unit.
3346         * config/i386/sse.md: Set type attribute to sseins for insertq
3347         and insertqi.
3348
3349 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3350
3351         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
3352         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
3353         ssecomi_load_amdfam10, ssecomi_amdfam10,
3354         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
3355         define_insn_reservation.
3356         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
3357
3358 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3359
3360         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
3361         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
3362         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
3363         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
3364         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
3365         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
3366         define_insn_reservation.
3367
3368         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
3369         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
3370         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
3371         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
3372         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
3373
3374 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3375
3376         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
3377         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
3378         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
3379         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
3380         athlon_ssemul_load_k8): Added amdfam10.
3381
3382 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3383
3384         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
3385         (x86_sse_unaligned_move_optimal): New variable.
3386
3387         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
3388         m_AMDFAM10.
3389         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
3390         for unaligned vector SSE double/single precision loads for AMDFAM10.
3391
3392 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3393
3394         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
3395         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
3396         Define TARGET_CPU_DEFAULT_amdfam10.
3397         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
3398         (processor_type): Add PROCESSOR_AMDFAM10.
3399
3400         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
3401         processor_type in config/i386/i386.h.
3402         Enable imul peepholes for TARGET_AMDFAM10.
3403
3404         * config.gcc: Add support for --with-cpu option for amdfam10.
3405
3406         * config/i386/i386.c (amdfam10_cost): New variable.
3407         (m_AMDFAM10): New macro.
3408         (m_ATHLON_K8_AMDFAM10): New macro.
3409         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3410         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
3411         x86_promote_QImode, x86_integer_DFmode_moves,
3412         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3413         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
3414         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
3415         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
3416         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
3417         Enable/disable for amdfam10.
3418         (override_options): Add amdfam10_cost to processor_target_table.
3419         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
3420         processor_alias_table.
3421         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
3422         (ix86_adjust_cost): Add code for amdfam10.
3423
3424 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3425
3426         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
3427         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
3428         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
3429         * config/i386/i386.h: Add builtin definition for SSE4A.
3430         * config/i386/i386.md: Add support for ABM instructions
3431         (popcnt and lzcnt).
3432         * config/i386/sse.md: Add support for SSE4A instructions
3433         (movntss, movntsd, extrq, insertq).
3434         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
3435         Add -march=amdfam10 flag.
3436         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
3437         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
3438         and amdfam10.
3439         * doc/extend.texi: Add documentation for SSE4A builtins.
3440
3441 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
3442
3443         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
3444
3445 2007-02-05  Richard Guenther  <rguenther@suse.de>
3446
3447         * tree-vectorizer.h (vectorizable_function): Add argument type
3448         argument, change return type.
3449         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
3450         * tree-vect-transform.c (vectorizable_function): Handle extra
3451         argument, return vectorized function decl.
3452         (build_vectorized_function_call): Remove.
3453         (vectorizable_call): Handle calls with result and argument types
3454         differing.  Handle loop vectorization factor correctly.
3455         * targhooks.c (default_builtin_vectorized_function): Adjust for
3456         extra argument.
3457         * targhooks.h (default_builtin_vectorized_function): Likewise.
3458         * target.h (builtin_vectorized_function): Add argument type
3459         argument.
3460         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
3461         extra argument, allow vectorizing of lrintf.
3462         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
3463         documentation of target hook.
3464
3465 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
3466
3467         PR target/30665
3468         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
3469         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
3470         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
3471
3472 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3473
3474         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
3475         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
3476         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
3477         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
3478         before canonicalizing sincos to cexpi.
3479         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
3480
3481 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3482
3483         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
3484         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
3485         (alpha_init_builtins): Use alpha_add_builtins to process tables.
3486
3487 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3488
3489         * mips-tfile.c (initialize_init_file): Correct endianness test.
3490
3491 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
3492
3493         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
3494         the 'y' constraint.
3495
3496 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3497
3498         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
3499         saves in a PARALLEL before the register assignments.
3500
3501 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3502
3503         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
3504         DWARF_FRAME_RETURN_COLUMN to be a general register.
3505         * dwarf2out.c (init_return_column_size): New function, split from...
3506         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
3507         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
3508         to be nongeneral registers.
3509         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
3510         integer registers.
3511         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
3512         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
3513
3514 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3515
3516         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
3517
3518 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3519
3520         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
3521         (remove_path): Use can_remove_branch_p and remove_branch instead
3522         of loop_delete_branch_edge.
3523         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
3524         (tree_transform_and_unroll_loop): Remove dead branches immediately.
3525         Update profile using scale_dominated_blocks_in_loop.
3526         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
3527         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
3528         (can_remove_branch_p, remove_branch): Declare.
3529         * tree-cfg.c (tree_can_remove_branch_p): New function.
3530         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3531         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3532         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3533
3534 2007-02-05  Jan Hubicka  <jh@suse.cz>
3535
3536         PR middle-end/30696
3537         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3538         nodes in cgraph, don't remove offline copy of the function.
3539
3540 2007-02-04  Jan Hubicka  <jh@suse.cz>
3541
3542         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3543         vectors might cause maybe_lookup_element_for_expr to be called
3544         on non-sra-candidate.
3545
3546 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3547
3548         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3549         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3550         spelling conventions.
3551
3552 2007-02-04  Richard Guenther  <rguenther@suse.de>
3553
3554         PR middle-end/30636
3555         * fold-const.c (try_move_mult_to_index): Make sure to not
3556         overflow one dimension of a multi-dimensional array access.
3557
3558 2007-02-04  Jan Hubicka  <jh@suse.cz>
3559
3560         * passes.c (init_optimization_passes): Reindent.
3561
3562 2007-02-04  Jan Hubicka  <jh@suse.cz>
3563             Eric Botcazou  <ebotcazou@adacore.com>
3564
3565         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3566         (execute_fixup_cfg): Break out the abnormal goto code.
3567         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3568         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3569         (optimize_inline_calls): Call make_nonlocal_label_edges.
3570
3571 2007-02-04  Jan Hubicka  <jh@suse.cz>
3572
3573         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3574         true when something was changed.
3575         (rename_ssa_copies): When something was changed, do
3576         TODO_remove_unused_locals.
3577         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3578         add TODO_remove_unused_locals when instruction was removed.
3579
3580 2007-02-04  Jan Hubicka  <jh@suse.cz>
3581
3582         * ipa-inline.c (try_inline): Improve debug output; work on already
3583         inline edges too.
3584         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3585         call try_inline for already inlined edges too when flattening;
3586         inline also functions that make callee growth but overall unit size
3587         reduce.
3588
3589 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3590
3591         * config/m32c/bitops.md, config/m32c/jump.md,
3592         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3593         config/m32r/m32r.h, config/m32r/m32r.md,
3594         config/m32r/predicates.md, config/m68hc11/larith.asm,
3595         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3596         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3597         config/mips/mips-protos.h, config/mips/mips.c,
3598         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3599         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3600         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3601         spelling conventions.
3602
3603         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3604         Follow spelling conventions.
3605
3606 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3607
3608         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3609         warn about C++0x compatibility.
3610
3611 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3612
3613         * config/h8300/h8300.c, config/h8300/h8300.h,
3614         config/h8300/h8300.md: Follow spelling conventions.
3615
3616 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3617
3618         PR middle-end/30667
3619         * combine.c (try_combine): Do not substitute source operand
3620         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3621
3622 2007-02-03  Jan Hubicka  <jh@suse.cz>
3623
3624         PR gcov-profile/30650
3625         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3626         do not divide by zero for never executed counters.
3627         (tree_find_values_to_profile): Fix counters.
3628         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3629
3630 2007-02-03  Ian Lance Taylor  <iant@google.com>
3631
3632         * lower-subreg.c (simple_move_operand): New static function,
3633         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3634         operands.
3635         (simple_move): Call simple_move_operand.
3636         (find_decomposable_subregs): Add special handling of MEMs.
3637         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3638         meaning of return value.  If we see a hard register, test whether
3639         it can store a word_mode value.  Change all callers.
3640
3641 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3642
3643         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3644         ftrapv insns and expanders.
3645         (subdi3): Change define_expand operand 1 to arith11_operand, and
3646         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3647         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3648         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3649         respectively.
3650
3651         PR middle-end/30174
3652         * varasm.c (notice_global_symbol): Treat global objects as weak when
3653         flag_shlib is true.
3654
3655 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3656
3657         * emit-rtl.c (dconstpi): Delete.
3658         (dconstsqrt2): New.
3659         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3660         * real.h (dconstpi): Delete.
3661         (dconstsqrt2): New.
3662         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3663         (fold_builtin_hypot): Likewise.
3664
3665 2007-02-03  Tom Tromey  <tromey@redhat.com>
3666
3667         PR driver/30246
3668         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3669         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3670
3671 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3672
3673         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3674         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3675         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3676         config/rs6000/cell.md, config/rs6000/darwin.h,
3677         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3678         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3679         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3680         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3681         typos.  Follow spelling conventions.
3682         * doc/invoke.texi: Follow spelling conventions.
3683
3684 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3685
3686         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3687         canonicalization transformations that attempt to simplify integer
3688         constant comparisons to become comparisons against zero.
3689
3690 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3691
3692         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3693         fabs(x)*sqrt(2).
3694         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3695         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3696
3697 2007-02-02  Mike Stump  <mrs@apple.com>
3698
3699         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3700         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3701         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3702         generate a branch island.
3703
3704 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3705
3706         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3707         (xtensa_legitimate_address_p): New.
3708         (xtensa_legitimize_address): New.
3709         (xtensa_output_addr_const_extra): New.
3710         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3711         (BASE_REG_P): New.
3712         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3713         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3714         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3715         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3716         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3717         (xtensa_legitimize_address): New.
3718         (xtensa_output_addr_const_extra): New.
3719
3720 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3721
3722         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3723
3724 2007-02-02  Ian Lance Taylor  <iant@google.com>
3725
3726         * expmed.c (expand_divmod): Add comment.
3727
3728 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3729
3730         * emit-rtl.c (renumber_insns): Remove.
3731         * flags.h: Remove the extern for flag_renumber_insns.
3732         * rtl.h: Remove the prototype for renumber_insns.
3733         * toplev.c (flag_renumber_insns): Remove.
3734
3735 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3736
3737         Revert for x86 darwin:
3738         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3739
3740         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3741         code before the following patch under TARGET_MACHO.
3742         (ix86_function_value_regno_p): Likewise.
3743
3744 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3745
3746         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3747         COMPLEX_EXPR.
3748
3749 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3750
3751         PR target/29682
3752         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3753         general or fp registers.  Add comments.
3754         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3755
3756 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3757
3758         * pointer-set.c (insert_aux): Only return insertion slot.
3759         (pointer_set_insert): Adjust.
3760         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3761         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3762         pointer_map_traverse): New.
3763         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3764         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3765         pointer_map_contains, pointer_map_traverse): Declare.
3766
3767 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3768
3769         PR middle-end/30473
3770         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3771         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3772
3773 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3774
3775         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3776
3777         (struct _dep): New type.
3778         (dep_t): New typedef.
3779         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3780         (DEP_STATUS): New access macro.  The macro with the same name was
3781         renamed to DEP_LINK_STATUS.
3782         (dep_init): Declare function
3783
3784         (struct _dep_link): New type.
3785         (dep_link_t): New typedef.
3786         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3787         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3788         (DEP_LINK_STATUS): New macro.
3789         (debug_dep_links): New debug function.
3790
3791         (struct _deps_list): New type.
3792         (deps_list_t): New typedef.
3793         (DEPS_LIST_FIRST): New access macro.
3794         (FOR_EACH_DEP_LINK): New cycle macro.
3795         (create_deps_list, free_deps_list, delete_deps_list): Declare
3796         functions.
3797         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3798         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3799         (copy_deps_list_change_con): Ditto.
3800
3801         (move_dep_link): Declare function.
3802
3803         (struct _dep_node): New type.
3804         (dep_node_t): New typedef.
3805         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3806
3807         (struct haifa_insn_data.back_deps): New field to hold backward
3808         dependencies of the insn.
3809         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3810         to deps_list_t.
3811         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3812         Change its type to deps_list_t.
3813         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3814         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3815         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3816
3817         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3818
3819         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3820
3821         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3822         all callers.
3823         (dep_cost): Declare.
3824
3825         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3826         (ds_to_dk, dk_to_ds): New functions.
3827
3828         (init_dep_1): New static function.
3829         (init_dep): New function.
3830         (copy_dep): New static function.
3831
3832         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3833         functions.
3834         (detach_dep_link): New static function.
3835         (move_dep_link): New function.
3836
3837         (dep_links_consistent_p, dump_dep_links): New static functions.
3838         (debug_dep_links): New debugging function.
3839
3840         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3841
3842         (alloc_deps_list, init_deps_list): New static functions.
3843         (create_deps_list): New function.
3844         (clear_deps_list): New static function.
3845         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3846         (deps_list_consistent_p, dump_deps_list): New static functions.
3847         (debug_deps_list): New function.
3848         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3849         functions.
3850         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3851
3852         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3853         use new scheduler dependencies lists.
3854         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3855         (sched_analyze): Ditto.  Initialize dependencies lists.
3856         (add_forw_dep, compute_forward_dependences): Update to use new
3857         scheduler dependencies lists.
3858
3859         (init_dependency_caches): Init deps_obstack.
3860         (free_dependency_caches): Free deps_obstack.
3861
3862         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3863         new scheduler dependencies lists.
3864         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3865         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3866
3867         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3868         Update to use new scheduler dependencies lists.
3869         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3870         (debug_dependencies): Ditto.
3871         (schedule_region): Update comments.
3872
3873         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3874         scheduler dependencies lists.
3875         (schedule_ebb): Update comments.
3876
3877         * rtl.def (DEPS_LIST): Remove.
3878
3879         * lists.c (unused_deps_list): Remove.
3880         (free_list): Update assertions.
3881
3882         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3883         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3884
3885         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3886         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3887
3888         * haifa-sched.c (comments): Update.
3889         (insn_cost1): Remove.  Inline the code into insn_cost ().
3890         (insn_cost): Update to use new scheduler dependencies lists.  Move
3891         processing of the dependency cost to dep_cost ().
3892         (dep_cost): New function.  Use it instead of insn_cost () when
3893         evaluating cost of the dependency.  Use compatible interface to
3894         interact with the target.
3895         (priority): Update to use new scheduler dependencies lists.
3896         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3897         with greater number of insns that depend on the insn.
3898         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3899         code to free backward dependencies lists.  Inline and optimize code
3900         from resolve_dep () - see PR28071.
3901         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3902         lists.  Update call to targetm.sched.is_costly_dependence hook.
3903
3904         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3905         scheduler dependencies lists.
3906
3907         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3908         (init_h_i_d): Initialize dependencies lists.
3909
3910         (process_insn_depend_be_in_spec): Rename to
3911         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3912         dependencies lists.
3913         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3914         Update to use new scheduler dependencies lists.
3915         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3916
3917         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3918         new scheduler dependencies lists.
3919         (build_intra_loop_deps): Ditto.
3920
3921         * target.h (struct _dep): Declare to use in
3922         gcc_target.sched.is_costly_dependence.
3923         (struct gcc_target.sched.adjust_cost): Fix typo.
3924         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3925         single dep_t parameter instead of an equivalent triad.
3926         (struct gcc_target.sched.adjust_cost_2): Remove.
3927
3928         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3929
3930         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3931
3932         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3933         documentation.
3934         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3935
3936         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3937         (REG_DEP_TRUE): Document.
3938
3939         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3940         Change signature to correspond to the targetm.sched.adjust_cost hook.
3941         Update use in TARGET_SCHED_ADJUST_COST_2.
3942         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3943         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3944         new scheduler dependencies lists.
3945         (ia64_gen_check): Ditto.
3946
3947         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3948         dependencies lists.
3949
3950         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3951         signature to correspond to the targetm.sched.is_costly_dependence hook.
3952         (is_costly_group): Update to use new scheduler dependencies lists.
3953
3954         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3955         instead of INSN_COST () macro.
3956
3957 2007-02-01  Ian Lance Taylor  <iant@google.com>
3958
3959         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3960
3961 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3962
3963         * pa.md (tp_load): Correct mfctl instruction syntax.
3964
3965 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3966
3967         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3968         altivec_padding_size calculation on AIX.  Improve comment, add
3969         assert to verify that it's right.
3970
3971         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3972         64-bit.
3973
3974 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3975
3976         PR inline-asm/28686
3977         * global.c (global_alloc): Add mising initialization of
3978         ELIMINABLE_REGSET.
3979
3980 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3981
3982         * alias.c (init_alias_analysis): Correct whitespace.
3983         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3984         partition_hot_cold_basic_blocks): Likewise.
3985         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3986         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3987         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3988         fold_builtin_snprintf_chk, fold_builtin_printf,
3989         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3990         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3991         * cfgcleanup.c (cleanup_cfg): Likewise.
3992         * cfgexpand.c (tree_expand_cfg): Likewise.
3993         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3994         * function.c (get_next_funcdef_no): Likewise.
3995         * gengtype.c (main): Likewise.
3996         * genmodes.c (main): Likewise.
3997         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3998         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3999         * ifcvt.c (noce_emit_move_insn): Likewise.
4000         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
4001         Likewise.
4002         * stor-layout.c (get_best_mode): Likewise.
4003         * tree-ssa-loop-niter.c (get_val_for): Likewise.
4004         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
4005         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
4006         perform_var_substitution, solve_graph): Likewise.
4007         * tree-vrp.c (vrp_finalize): Likewise.
4008
4009 2007-02-01  Ian Lance Taylor  <iant@google.com>
4010
4011         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
4012         high part of a paradoxical subreg, return a constant zero.
4013
4014 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
4015
4016         * toplev.c (lang_dependent_init): Call init_set_costs.
4017         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
4018
4019 2007-02-01  Richard Guenther  <rguenther@suse.de>
4020
4021         PR middle-end/30656
4022         * fold-const.c (fold_negate_expr): Allow negating a
4023         constant if overflow does not change.
4024
4025 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4026
4027         * doc/c-tree.texi (Expression trees): Improve markup.
4028         * doc/tm.texi (Register Classes, Addressing Modes)
4029         (Floating Point): Fix spacing after abbreviations.  Fix some
4030         typos.
4031
4032 2007-02-01  Ben Elliston  <bje@au.ibm.com>
4033
4034         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
4035         * doc/contrib.texi: Likewise.
4036         * doc/install.texi: Likewise.
4037
4038 2007-01-31  Richard Henderson  <rth@redhat.com>
4039             Ian Lance Taylor  <iant@google.com>
4040
4041         * lower-subreg.c: New file.
4042         * rtl.def (CONCATN): Define.
4043         * passes.c (init_optimization_passes): Add pass_lower_subreg and
4044         pass_lower_subreg2.
4045         * emit-rtl.c (update_reg_offset): New static function, broken out
4046         of gen_rtx_REG_offset.
4047         (gen_rtx_REG_offset): Call update_reg_offset.
4048         (gen_reg_rtx_offset): New function.
4049         * regclass.c: Revert patch of 2006-03-05, restoring
4050         reg_scan_update.
4051         (clear_reg_info_regno): New function.
4052         * dwarf2out.c (concatn_loc_descriptor): New static function.
4053         (loc_descriptor): Handle CONCATN.
4054         * common.opt (fsplit_wide_types): New option.
4055         * opts.c (decode_options): Set flag_split_wide_types when
4056         optimizing.
4057         * timevar.def (TV_LOWER_SUBREG): Define.
4058         * rtl.h (gen_reg_rtx_offset): Declare.
4059         (reg_scan_update): Declare.
4060         * regs.h (clear_reg_info_regno): Declare.
4061         * tree-pass.h (pass_lower_subreg): Declare.
4062         (pass_lower_subreg2): Declare.
4063         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
4064         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
4065         -fsplit-wide-types.
4066         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
4067         * Makefile.in (OBJS-common): Add lower-subreg.o.
4068         (lower-subreg.o): New target.
4069
4070 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4071
4072         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
4073
4074 2007-01-31  Anatoly Sokolov <aesok@post.ru>
4075
4076         PR target/19087
4077         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
4078
4079 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4080
4081         PR middle-end/29335
4082         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
4083
4084 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
4085
4086         * cfgloop.h: Include vec-prim.h.
4087         (enum li_flags): Remove LI_ONLY_OLD.
4088         (loop_iterator): Changed.
4089         (fel_next, fel_init): Iterate over loop tree.
4090         (FOR_EACH_LOOP_BREAK): New macro.
4091         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
4092         FOR_EACH_LOOP.
4093         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
4094         * modulo-sched.c (sms_schedule): Ditto.
4095         * tree-vectorizer.c (vectorize_loops): Ditto.
4096         * doc/loop.texi: Update information on loop numbering and behavior of
4097         FOR_EACH_LOOP wrto new loops.
4098         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
4099         add_to_evolution_1): Test nestedness of loops instead of comparing
4100         their numbers.
4101         * tree-chrec.c (chrec_fold_plus_poly_poly,
4102         chrec_fold_multiply_poly_poly, chrec_evaluate,
4103         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
4104         reset_evolution_in_loop): Ditto.
4105         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
4106
4107 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4108
4109         * c-common.c (warn_about_parentheses): Separate warning about
4110         un-parenthized sequence of comparison operators from the one
4111         which is supposed to warn about x <= y <= z.
4112
4113 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4114
4115         * optabs.h (enum optab_index): Add new OTI_isinf.
4116         (isinf_optab): Define corresponding macro.
4117         * optabs.c (init_optabs): Initialize isinf_optab.
4118         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4119         patterns.
4120         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4121         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4122         using isinf_optab.
4123         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4124         expand_builtin_interclass_mathfn.
4125         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4126         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4127         (fxam<mode>2_i387): New insn pattern.
4128         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4129         built-in functions as x87 inline asm.
4130
4131 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4132
4133         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4134
4135 2007-01-30  Eric Christopher  <echristo@apple.com>
4136
4137         * config.gcc: Add geode.
4138
4139 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4140
4141         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4142         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4143         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4144         value-prof.c: Fix comment typos.
4145
4146 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4147
4148         PR c++/24745
4149         * doc/invoke.texi (Wpointer-arith): Document warning.
4150
4151 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4152
4153         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4154         the list of discrepancies from the draft TR.
4155
4156 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4157
4158         PR c++/30601
4159         * doc/invoke.texi (-Wreturn-type): Update description to
4160         match new behavior.
4161
4162 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4163
4164         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4165
4166 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4167
4168         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4169         to handle optabs that operate on floating point input argument and
4170         output to integer output.
4171         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4172         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4173         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4174         expand_builtin_interclass_mathfn ().
4175         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4176         (ilogbsi2): Remove.
4177         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4178         ilogbl built-in functions as x87 intrinsics.
4179
4180 2007-01-30  Richard Guenther  <rguenther@suse.de>
4181
4182         PR middle-end/27657
4183         * dwarf2out.c (reference_to_unused): Query varpool if the
4184         variable was output.
4185
4186 2007-01-30  Richard Guenther  <rguenther@suse.de>
4187
4188         PR middle-end/30313
4189         * passes.c (execute_one_pass): Reset in_gimple_form to not
4190         confuse non-unit-at-a-time mode.
4191
4192 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4193             Richard Guenther  <rguenther@suse.de>
4194
4195         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4196         avoid undefined behaviour on overflow.  Use force_fit_type_double
4197         to construct the constant with the specified TREE_OVERFLOW.
4198
4199 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4200
4201         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4202         * config/dfp-bit.h: Ditto.
4203
4204 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4205
4206         * c-decl.c (pop_scope): Replace warnings with call to
4207         warn_for_unused_label.
4208         * c-common.h (warn_for_unused_label): Declare.
4209         * c-common.c (warn_for_unused_label): Define.
4210
4211 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4212
4213         * tree-optimize.c (update_inlined_to_pointers): Delete unused
4214         function.
4215
4216 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4217
4218         * Makefile.in (USER_H): Remove decfloat.h.
4219         * ginclude/decfloat.h: Delete, moving contents to ...
4220         * ginclude/float.h: Add support for decimal floating point,
4221         guarded by __STDC_WANT_DEC_FP__.
4222
4223 2007-01-29  Mike Stump  <mrs@apple.com>
4224
4225         * doc/gccint.texi (Top): Rename Loop Representation to Loop
4226         Analysis and Representation to resolve case insensitive conflict.
4227         * doc/loop.texi (Loop Analysis and Representation): Likewise.
4228
4229 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
4230
4231         * tree.h (struct tree_memory_tag): Add aliases member.
4232         (MTAG_ALIASES): New macro.
4233         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
4234         (add_may_alias): Remove pointer-set. Update for may_aliases being
4235         a bitmap.
4236         (mark_aliases_call_clobbered): Update for may_aliases being a
4237         bitmap.
4238         (compute_tag_properties): Ditto.
4239         (create_partition_for): Ditto.
4240         (compute_memory_partitions): Ditto.
4241         (dump_may_aliases_for): Ditto.
4242         (is_aliased_with): Ditto.
4243         (add_may_alias_for_new_tag): Ditto.
4244         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
4245         (compute_is_aliased): New function.
4246         (compute_may_aliases): Call compute_is_aliased).
4247         (init_alias_info): Initialize alias_bitmap_obstack.
4248         (union_alias_set_into): New function.
4249         (compute_flow_sensitive_aliasing): Use union_aliases_into.
4250         (have_common_aliases_p): Rewrite to take two bitmaps and use
4251         intersection.
4252         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
4253         Update for bitmaps.
4254         (finalize_ref_all_pointers): Update for add_may_alias changes.
4255         (new_type_alias): Ditto.
4256         * tree-flow-inline.h (may_aliases): Return a bitmap.
4257         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
4258         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
4259         may_aliases being a bitmap.
4260         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
4261         may_aliases now returns a bitmap.
4262         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
4263         being a bitmap.
4264         * tree-ssa-operands.c (add_virtual_operand): Update for
4265         may_aliases being a bitmap.
4266
4267 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
4268
4269         PR tree-optimization/30630
4270         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
4271         variable as changed.
4272
4273 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
4274
4275         PR c++/28266
4276         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
4277         expanded only once even if an error occurs.
4278
4279 2007-01-29  Ben Elliston  <bje@au.ibm.com>
4280
4281         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
4282         (__gcov_average_profiler): Likewise.
4283         (__gcov_ior_profiler): Likewise.
4284         (__gcov_merge_ior): Likewise.
4285
4286 2007-01-28  Jan Hubicka  <jh@suse.cz>
4287
4288         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
4289         * value-prof.c (stringop_block_profile): Likewise.
4290
4291 2007-01-28  Jan Hubicka  <jh@suse.cz>
4292
4293         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
4294         variant handling histograms; add wrapper.
4295         (clear_storage_via_libcall): Export.
4296         (emit_block_move_hints): Break out from ...; add histograms.
4297         (emit_block_move): ... this one.
4298         (clear_storage_hints): Break out from ...; add histograms.
4299         (clear_storage): ... this one.
4300         (set_storage_via_memset): Handle histogram.
4301         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
4302         (clear_storage_hints, clear_storage_via_libcall): Declare.
4303         (set_storage_via_setmem): Update prototype.
4304         * doc/md.texi (movmem, setmem): Document new arguments.
4305
4306         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
4307         new histograms.
4308         (stringop_block_profile): New global function.
4309         (tree_stringops_values_to_profile): Profile block size and alignment.
4310         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
4311         HIST_TYPE_IOR.
4312         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
4313         (stringop_block_profile): Declare.
4314         * builtins.c: Include value-prof.h.
4315         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
4316         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
4317         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
4318         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
4319         * profile.c (instrument_values): Add new counters.
4320         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
4321         calls.
4322         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
4323         (tree_init_edge_profiler): Build new profilers.
4324         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
4325         (pass_tree_profile): Add dump.
4326         (tree_profile_hooks): Update.
4327         * Makefile.in (LIBGCOV): Add new constants.
4328         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
4329         __gcov_ior_profiler): New.
4330         * i386.md (movmem/setmem expanders): Add new optional arguments.
4331
4332 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
4333
4334         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
4335
4336 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4337
4338         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
4339         (tree_unswitch_single_loop): Pass eni_size_weights to
4340         tree_num_loop_insns.
4341         * tree-ssa-loop-manip.c: Include tree-inline.h.
4342         (can_unroll_loop_p): Pass eni_size_weights to
4343         tree_num_loop_insns.
4344         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
4345         Pass eni_size_weights to estimate_num_insns.
4346         * tree.h (init_inline_once): Export.
4347         * toplev.c (backend_init): Call init_inline_once.
4348         * cgraphunit.c (cgraph_process_new_functions,
4349         cgraph_analyze_function): Pass eni_inlining_weights to
4350         estimate_num_insns.
4351         * ipa-inline.c (compute_inline_parameters): Ditto.
4352         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
4353         to estimate_num_insns.
4354         (try_unroll_loop_completely): Pass eni_size_weights to
4355         tree_num_loop_insns.
4356         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
4357         ot estimate_num_insns.
4358         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
4359         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
4360         * tree-inline.c (eni_inlining_weights, eni_size_weights,
4361         eni_time_weights): New variables.
4362         (init_inline_once): Initialize them.
4363         (struct eni_data): Mew.
4364         (estimate_num_insns_1, estimate_num_insns): Use weights.
4365         * tree-inline.h (struct eni_weights_d): New.
4366         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
4367         (estimate_num_insns): Declaration changed.
4368         * cfgloop.h (tree_num_loop_insns): Declaration changed.
4369         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
4370         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
4371
4372 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4373
4374         * tree-data-ref.c (conflict_fn): Assert that the number of affine
4375         relations in the conflict function is valid.
4376
4377 2007-01-27  Ian Lance Taylor  <iant@google.com>
4378
4379         * common.opt: Add fstrict-overflow.
4380         * opts.c (decode_options): Set flag_strict_overflow if -O2.
4381         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
4382         (TYPE_OVERFLOW_UNDEFINED): Define.
4383         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
4384         Replace all uses.
4385         * tree.h (TYPE_TRAP_SIGNED): Don't define.
4386         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
4387         (fold_negate_expr): Likewise.
4388         (make_range): Likewise.
4389         (extract_muldiv_1): Likewise.
4390         (maybe_canonicalize_comparison): Likewise.
4391         (fold_comparison): Likewise.
4392         (fold_binary): Likewise.
4393         (tree_expr_nonnegative_p): Likewise.
4394         (tree_expr_nonzero_p): Likewise.
4395         * tree-vrp.c (compare_values): Likewise.
4396         (extract_range_from_binary_expr): Likewise.
4397         (extract_range_from_unary_expr): Likewise.
4398         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
4399         Likewise.
4400         (nowrap_type_p): Likewise.
4401         * tree-scalar-evolution.c (simple_iv): Likewise.
4402         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
4403         (build_range_check): Likewise.
4404         (extract_muldiv_1): Likewise.
4405         (fold_comparison): Likewise.
4406         * tree-vrp.c (vrp_int_const_binop): Likewise.
4407         (extract_range_from_unary_expr): Likewise.
4408         * convert.c (convert_to_integer): Likewise.
4409         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
4410         (fold_comparison): Likewise.
4411         (fold_binary): Likewise.
4412         * optabs.c (optab_for_tree_code): Likewise.
4413         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
4414         * simplify-rtx.c (simplify_const_relational_operation): Check
4415         flag_strict_overflow and flag_trapv.
4416         (simplify_const_relational_operation): Likewise.
4417         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
4418         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
4419         -fstrict-overflow.
4420
4421 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4422
4423         * tree.c (tree_fold_gcd): Delete.
4424         * tree.h (tree_fold_gcd): Remove prototype.
4425         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
4426         test whether one constant integer is a multiple of another.  Instead
4427         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
4428         * fold-const.c (multiple_of_p):  We've determined both TOP and
4429         BOTTOM are integer constants so we can call int_const_binop directly
4430         instead of the more generic const_binop.
4431
4432 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4433
4434         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
4435         1*X check that the constant hasn't overflowed, to preserve the
4436         TREE_OVERFLOW bit.
4437         (round_up): Provide an efficient implementation when rouding-up an
4438         INTEGER_CST to a power-of-two.
4439
4440 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4441
4442         * doc/sourcebuild.texi: Add comma for clarity.
4443         * doc/extend.texi: Fix some typos.
4444         * doc/passes.texi: Likewise.
4445         * doc/cppinternals.texi: Likewise.
4446         * doc/c-tree.texi: Likewise.
4447         * doc/tree-ssa.texi: Likewise.
4448         * doc/install.texi: Likewise.
4449
4450 2007-01-27  Jan Hubicka  <jh@suse.cz>
4451
4452         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
4453         (pass_sra): Do not require alias information.
4454         * passes.c (init_optimization_passes): Add SRA
4455
4456 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
4457
4458         * tracer.c (rest_of_handle_tracer): We already cleaned
4459         up the CFG in tracer() so don't do it here again.
4460         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
4461         cleanup_cfg here, either.  And don't call renumber_insns.
4462
4463         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
4464         and BB_HEAD are in the insn stream here.  Instead make sure
4465         that BB_INSN is valid on all insns.  Also, do check here that
4466         there are no pending branch predictions...
4467         (rtl_verify_flow_info): ...instead of doing it here.  Checks
4468         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
4469         here.
4470
4471 2007-01-26  Roger Sayle  <roger@eyesopen.com>
4472
4473         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
4474         function to simplify/factorize operand order canonicalization.
4475         (ix86_fixup_binary_operands): Reorganize using the above function.
4476         (ix86_binary_operator_ok): Likewise.
4477
4478 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
4479
4480         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
4481         file scope from optimize_attrs.
4482         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
4483         up search.
4484         (optimize_attrs): Clear insn_code_values after freeing it.
4485
4486 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4487
4488         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
4489         a parts.base assignment.
4490
4491 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4492
4493         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
4494         (compute_subscript_distance, initialize_data_dependence_relation,
4495         finalize_ddr_dependent, analyze_ziv_subscript,
4496         analyze_siv_subscript_cst_affine,
4497         compute_overlap_steps_for_affine_univar,
4498         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
4499         analyze_siv_subscript, analyze_miv_subscript,
4500         analyze_overlapping_iterations, subscript_dependence_tester_1,
4501         compute_self_dependence, free_dependence_relation): Work
4502         with affine_fn instead of chrecs.
4503         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
4504         common_affine_function, affine_function_base,
4505         affine_function_constant_p, affine_fn_op, affine_fn_plus,
4506         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
4507         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
4508         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
4509         (all_chrecs_equal_p): Removed.
4510         * tree-data-ref.h (affine_fn, conflict_function): New types.
4511         (struct subscript): Change type of conflicting_iterations_in_a
4512         and conflicting_iterations_in_b.
4513
4514 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
4515
4516         PR other/30182
4517         * config/pa/pa.h (TARGET_HPUX_11): New.
4518         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
4519         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
4520
4521 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
4522         Richard Guenther  <rguenther@suse.de>
4523
4524         * tree-ssa-structalias.c (solve_graph): Handle case
4525         we merged the variable to another.
4526
4527 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4528
4529         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4530         functions.
4531
4532         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4533         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4534
4535 2007-01-25  DJ Delorie  <dj@redhat.com>
4536
4537         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4538         allow changes to modes which don't fit in those registers.
4539
4540         * reload1.c (choose_reload_regs): Check for invalid subregs before
4541         computing their locations, not after.
4542
4543 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4544
4545         PR 25127
4546         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4547         save Altivec registers in an eh_return function.
4548         (compute_vrsave_mask): Likewise.
4549         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4550         for saving Altivec registers.
4551         (rs6000_emit_prologue): Don't allocate stack twice in
4552         eh_return function.  Correct expected value of altivec_save_offset
4553         when using save_world.  Describe save of R0 to stack when using
4554         save_world.  Describe stack pointer adjustment when using
4555         save_world.  Remove duplicated eh_return parameter register saving.
4556         Update sp_offset variable after save_world.
4557         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4558         darwin-world.asm.
4559         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4560         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4561         implies Altivec.
4562
4563 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4564
4565         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4566
4567 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4568
4569         PR other/30182
4570         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4571         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4572
4573 2007-01-25  Richard Guenther  <rguenther@suse.de>
4574
4575         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4576         * common.opt (-Wcoverage-mismatch): New warning option.
4577         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4578         if -Wcoverage-mismatch is given.
4579
4580 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4581
4582         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4583         (ipcp_driver): Change to static definition.
4584         Add dumping of the ifunctions.
4585         (constant_val_insert): Remove unused parameter. Support for SSA.
4586         (ipcp_propagate_const): Support for SSA.
4587         (ipcp_profile_bb_print): Print only analyzed nodes.
4588         (ipcp_replace_map_create): Remove support for Fortran constant
4589         for now.
4590         * ipa-prop.c (ipa_method_modify_stmt,
4591         ipa_callsite_compute_param): Support for SSA.
4592         * ipa-prop.h (ipcp_driver): Remove declaration.
4593         (IS_VALID_TREE_MAP_INDEX): Add define.
4594
4595 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4596
4597         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4598
4599 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4600
4601         PR middle-end/30447
4602         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4603         constant argument to cabs and do it without checking for
4604         -funsafe-math-optimizations.
4605
4606 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4607
4608         * c-common.h (RID_FIRST_CXX0X): New.
4609         (RID_LAST_CXX0X): New.
4610         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4611         by -Wall.
4612         * c.opt (Wc++0x-compat): New.
4613         * doc/invoke.texi (-Wc++0x-compat): Document.
4614
4615 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4616
4617         * builtins.c (fold_builtin_carg): New.
4618         (fold_builtin_1): Use it.
4619
4620 2007-01-24  Jan Hubicka  <jh@suse.cz>
4621
4622         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4623
4624         * ipa-inline.c (initial_insns, max_insns): Delete.
4625         (compute_max_insns): New function.
4626         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4627         of insns as base for code growth.
4628         (cgraph_decide_inlining): Make initial_insns local; do not compute
4629         max_insns.
4630         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4631         * doc/invoke.texi (inline-unit-growth): Update docs.
4632
4633 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4634
4635         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4636         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4637         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4638         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4639         for CPUs that have PTA_CX16 set.
4640
4641         PR middle-end/27416
4642         * gimplify.c (omp_check_private): New function.
4643         (gimplify_scan_omp_clauses): Use it for
4644         firstprivate/lastprivate/reduction.
4645
4646         PR middle-end/30494
4647         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4648         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4649
4650         PR middle-end/30421
4651         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4652         If lower_lastprivate_clauses emits some statements, append them
4653         to dlist rather than body_p and to body_p append an initializer.
4654         (lower_omp_for): Adjust caller.
4655
4656 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4657
4658         * target.h (globalize_decl_name): New.
4659         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4660         * output.h (default_globalize_decl_name): New.
4661         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4662         globalize_label.
4663         (globalize_decl): Ditto.
4664         (default_globalize_decl_name): New.
4665         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4666         (ia64_handle_version_id_attribute): New.
4667         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4668         (ia64_asm_output_external): Use globalize_decl_name instead
4669         of globalize_label.
4670         * doc/extend.texi (version_id): New pragma.
4671         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4672
4673 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4674
4675         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4676         _uleb128_t and _Unwind_SWord with _sleb128_t.
4677         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4678         uw_frame_state_for, uw_update_context_1): Likewise.
4679         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4680         * unwind-pe.h (read_uleb128, read_sleb128,
4681         read_encoded_value_with_base): Likewise.
4682         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4683
4684 2007-01-24  Richard Guenther  <rguenther@suse.de>
4685
4686         * builtins.c (expand_builtin_cexpi): Get the fndecl
4687         for cexp in the correct way.
4688
4689 2007-01-24  Jan Hubicka  <jh@suse.cz>
4690
4691         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4692
4693 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4694
4695         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4696         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4697         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4698         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4699         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4700         __SIZEOF_PTRDIFF_T__.
4701         * doc/cpp.texi: Documentation for the new builtin macros added.
4702
4703 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4704
4705         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4706         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4707         instead of operands[2] to avoid access past the end of array.
4708
4709 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4710
4711         * reload1.c (emit_reload_insns): Pass the reload register
4712         for a non-spill output reload through forget_old_reloads_1.
4713
4714 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4715
4716         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4717         _SOFT_DOUBLE if doubles use software floating-point.
4718         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4719         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4720         * config/rs6000/darwin-ldouble.c: Also compile functions for
4721         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4722         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4723         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4724         commented-out long double override.
4725         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4726         * config/rs6000/eabispe.h: Likewise.
4727         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4728         long double for non-SPE.
4729         (rs6000_handle_option): Likewise.
4730         (invalid_e500_subreg): Disallow more subregs involding DImode,
4731         DFmode, TImode or TFmode.
4732         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4733         E500 double.
4734         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4735         double.
4736         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4737         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4738         double.
4739         (rs6000_legitimate_address): Also check for TFmode for E500
4740         double.
4741         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4742         (spe_build_register_parallel): Handle TFmode and TCmode.
4743         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4744         double.
4745         (function_arg): Handle TFmode and TCmode for E500 double.
4746         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4747         in general.
4748         (print_operand): Handle TFmode and TImode for %y.
4749         (rs6000_generate_compare): Handle TFmode comparisons for E500
4750         double.
4751         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4752         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4753         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4754         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4755         TFmode for E500 double.
4756         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4757         (floatsidf2): Enable for E500 double.
4758         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4759         (extenddftf2): Change to extenddftf2_fprs.
4760         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4761         depending on TARGET_E500_DOUBLE.
4762         (extendsftf2): Enable for E500 double.
4763         (trunctfdf2): Enable for E500 double.
4764         (trunctfsf2): Change to trunctfsf2_fprs.
4765         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4766         depending on TARGET_E500_DOUBLE.
4767         (floatsitf2): Enable for E500 double.
4768         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4769         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4770         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4771         (negtf2): Change to negtf2_internal.
4772         (negtf2): New expander.
4773         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4774         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4775         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4776         (movdi_internal32): Use rs6000_nonimmediate_operand.
4777         (unnamed splitter): Likewise.
4778         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4779         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4780         (SPE64TF, DITI): New mode macros.
4781         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4782         modes.
4783         (frob_tf_ti): New.
4784         (frob_<mode>_di_2): New.
4785         (frob_tf_di_8_2): New.
4786         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4787         (frob_ti_tf): New.
4788         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4789         more modes.
4790         (frob_ti_<mode>_8_2): New.
4791         (frob_ti_tf_2): New.
4792         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4793         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4794         TFmode.
4795         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4796         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4797         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4798         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4799         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4800         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4801         tsttflt_gp): New.
4802
4803 2007-01-23  Ian Lance Taylor  <iant@google.com>
4804
4805         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4806         insn-*.o first.
4807         (OBJS-archive): Reformat, alphabetize.
4808         (OBJS): Change out_object_file to OBJS-md.
4809
4810 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4811
4812         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4813         JUMP_P and CALL_P predicates where applicable.
4814         * config/i386/i386.c: Ditto.
4815         * config/i386/i386.md: Ditto.
4816         * config/i386/mmx.md: Ditto.
4817         * config/i386/predicates.md: Ditto.
4818
4819 2007-01-22  Andreas Schwab  <schwab@suse.de>
4820
4821         * config/m68k/m68k.h: Fix comment.
4822
4823 2007-01-22  Jan Hubicka  <jh@suse.cz>
4824
4825         * passes.c (init_optimization_passes): Do not rerun
4826         pass_early_warn_uninitialized.
4827
4828 2007-01-22  Richard Guenther  <rguenther@suse.de>
4829
4830         PR tree-optimization/30038
4831         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4832         function.
4833         (execute_cse_sincos_1): Likewise.
4834         (execute_cse_sincos): Likewise.
4835         (gate_cse_sincos): Likewise.
4836         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4837         the cexpi() canonicalization of sincos().
4838         * tree-pass.h (pass_cse_sincos): Declare.
4839         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4840
4841 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4842
4843         PR rtl-optimization/29329
4844         * combine.c (replaced_rhs_insn): Rename to i2mod.
4845         (replaced_rhs_value): Rename to i2mod_new_rhs.
4846         (i2mod_old_rhs): New global variable.
4847         (combine_instructions): Adjust for above change.  Save a copy of
4848         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4849         note are substituted in the second instruction.
4850         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4851         ditch the note if it pertains to the second eliminated register
4852         and this register is mentioned in i2mod_old_rhs.
4853
4854         Revert:
4855         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4856
4857         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4858         the insn to which the note was originally attached.
4859
4860 2007-01-21  Jan Hubicka  <jh@suse.cz>
4861
4862         * ipa-inline.c (inlining_mode): Comment, move up.
4863         (cgraph_decide_inlining_incrementally): Do not perform inlining
4864         itself; fix handling of flattening of self recursive functions.
4865         (cgraph_find_cycles): Remove.
4866         (cgraph_flatten_node): Remove.
4867         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4868         (try_inline): New function.
4869         (cgraph_early_inlining): Update call of
4870         cgraph_decide_inlining_incrementally.  Apply inlining here.
4871         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4872
4873 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4874
4875         PR bootstrap/30511
4876         * tree-vrp.c (check_array_bounds): do not warn
4877         about ADDR_EXPR's of ARRAY_REF's which are immediately
4878         used in binary expressions.
4879
4880 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4881
4882         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4883         read_write_dep and macros for its access.
4884         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4885         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4886         argument, call vect_check_interleaving for every independent pair of
4887         data-refs. Mark loads that access the same memory location as a store
4888         in the loop.
4889         (vect_check_dependences): Remove.
4890         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4891         call, fix the call to vect_analyze_data_ref_dependence.
4892         (vect_analyze_data_ref_access): For statements that access the same
4893         data-ref, check that they are not stores; for loads, check that there
4894         is no store that access the same location.
4895
4896 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4897             Joseph Myers  <joseph@codesourcery.com>
4898
4899         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4900         (-fdump-rtl-stack): Likewise.
4901         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4902         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4903         (-mpt-fixed): Use @minus{} for minus sign.
4904         (Using Precompiled Headers): Fix under/overfull hbox.
4905
4906 2007-01-20  Jan Hubicka  <jh@suse.cz>
4907
4908         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4909         place within annotation.
4910
4911 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4912
4913         * pa.c (output_move_double): Change array size of xoperands to 4.
4914
4915 2007-01-20  Jan Hubicka  <jh@suse.cz>
4916
4917         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4918         as temporary.
4919
4920 2007-01-19  Ian Lance Taylor  <iant@google.com>
4921
4922         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4923         constant to unsigned HOST_WIDE_INT before negating.
4924
4925 2007-01-19  Ian Lance Taylor  <iant@google.com>
4926
4927         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4928         to unsigned.
4929         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4930         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4931         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4932         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4933         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4934         (realloc_vdef, realloc_vuse): Change second parameter to
4935         unsigned.
4936         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4937         fields to unsigned.
4938         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4939         unsigned. Change x and lim locals to unsigned.
4940         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4941         unsigned.
4942         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4943         (copy_virtual_operands): Change i and n locals to unsigned.
4944
4945 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4946
4947         PR middle-end/29335
4948         * builtins.c (fold_builtin_1): Handle builtin fdim.
4949
4950 2007-01-20  Jan Hubicka  <jh@suse.cz>
4951
4952         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4953         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4954         init_alias_heapvars.
4955         (init_alias_heapvars): Initialize only when not already initialized.
4956         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4957
4958 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4959
4960         * common.opt (fsigned-zeros): New command line option.
4961         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4962         of flag_unsafe_math_optimizations.
4963         * opts.c (set_fast_math_flags): The -ffast-math command line option
4964         implies -fno-signed-zeros.
4965         (fast_math_flags_set_p): Likewise.
4966
4967         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4968         the documentation of -ffast-math appropriately.  Wrap long lines.
4969
4970 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4971
4972         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4973         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4974
4975 2007-01-19  Tomas Bily  <tbily@suse.cz>
4976
4977         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4978         * tree-profile.c:
4979         (tree_init_ic_make_global_vars): New function
4980         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4981         (tree_gen_ic_profiler): New function
4982         (tree_gen_ic_func_profiler): New function
4983         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4984         (tree_profile_hooks): Added hook for indirec/virtual calls
4985         * value-prof.c (tree_find_values_to_profile): New case for
4986         indirect calls
4987         (tree_values_to_profile): Call for determining indirect/virtual
4988         counters
4989         (tree_indirect_call_to_profile): New function
4990         (tree_ic_transform): New function
4991         (tree_ic): New function
4992         (find_func_by_pid): New function
4993         (init_pid_map): New function
4994         (tree_value_profile_transformations): Added check for
4995         indirect/virtual call transformation
4996         * value-prof.h (enum hist_type): New counter type for
4997         indirect/virtual calls
4998         (profile_hooks): Added new hook for profiling indirect/virtual
4999         calls
5000         * profile.c (instrument_values): New case for indirect/virtual
5001         call added
5002         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
5003         (GCOV_COUNTER_V_INDIR): New counter type
5004         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
5005         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
5006         call added
5007         * cgraph.c: Definition of cgraph_max_pid
5008         (cgraph_create_node): Default init of pid attribute
5009         * cgraph.h: Declaration of cgraph_max_pid
5010         (struct cgraph_node): Added pid attribute
5011         * libgcov.c (__gcov_indirect_call_profiler): New function
5012         (__gcov_one_value_profiler_body): New function
5013         (__gcov_one_value_profiler): Body was moved to
5014         __gcov_one_value_profiler_body and calls it
5015
5016 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
5017
5018         * doc/gty.texi (Options): Document the mark_hook option to GTY.
5019         * gengtype.c (write_types_data, write_func_for_structure,
5020         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
5021         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
5022         (walk_type, write_func_for_structure): Generate the mark_hook if
5023         needed.
5024
5025 2007-01-19  Jan Hubicka  <jh@suse.cz>
5026
5027         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
5028         'early' argument take inlining mode argument specifying whether to
5029         inline for size/speeed or all functions; add support for flattening;
5030         improve dumpting.
5031         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
5032
5033 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5034
5035         PR c++/17947
5036         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
5037         the name of the declared identifier.
5038
5039 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5040
5041         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
5042         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
5043         duplicate evaluation.
5044
5045 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5046
5047         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
5048         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
5049         to XFMode, use acosxf2 and truncate result to requested mode.
5050         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5051         (asin<mode>2): Similarly, with asin expanders.
5052         (*fscalexf4_i387): Rename from *fscalexf4.
5053         (expNcorexf3): New expander.
5054         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
5055         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
5056         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
5057         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
5058         patterns for SSE math.
5059         (exp10<mode>2): Similarly, with exp10 expanders.
5060         (exp2<mode>2): Similarly, with exp2 expanders.
5061         (expm1<mode>2): Similarly, with expm1 expanders.
5062         (ldexp<mode>3): Similarly, with ldexp expanders.
5063         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
5064         Use gen_truncxf<mode>2_i387_noop to truncate result.
5065
5066 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5067
5068         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
5069         for ColdFire targets.
5070
5071 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
5072             Richard Sandiford  <richard@codesourcery.com>
5073
5074         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
5075         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
5076         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
5077         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
5078         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5079         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
5080
5081 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5082
5083         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
5084         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
5085         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
5086         (*adddi_dilshr32_cf): New pattern.
5087         (adddi3, subdi3): Remove first alternatives.
5088
5089 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5090
5091         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
5092         implemented using move.l, do not use its cc result for floating-point
5093         comparisons.
5094
5095 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5096
5097         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
5098         from accepting 's' constraints if flag_pic.
5099
5100 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5101
5102         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
5103         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
5104         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
5105         condition from TARGET_68881 to TARGET_HARD_FLOAT.
5106
5107 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5108
5109         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5110         ColdFire alternatives.
5111         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5112         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5113         architectures that support ff1 instruction.
5114
5115 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5116             Julian Brown  <julian@codesourcery.com>
5117
5118         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5119         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5120         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5121         Add commentary.
5122
5123 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5124
5125         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5126         and return a bool.
5127         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5128         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5129         HOST_WIDE_INT instead of an rtx.
5130         (m68k_rtx_costs): Update call accordingly.
5131         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5132         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5133         Return a bool.
5134         (output_move_simode_const): Update calls after above changes.
5135         Rework to use automatic variables and predicates like MEM_P.
5136         * config/m68k/m68k.md (pushexthisi_const): Update call to
5137         valid_mov3q_const.
5138
5139 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5140
5141         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5142         in dump_flags test.
5143
5144 2007-01-19  Richard Guenther  <rguenther@suse.de>
5145
5146         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5147         via cexp in case sincos is not available.
5148
5149 2007-01-19  Richard Guenther  <rguenther@suse.de>
5150
5151         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5152         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5153         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5154         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5155         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5156         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5157         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5158         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5159
5160 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5161
5162         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5163         New insn patterns.
5164         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5165         (atan2xf3): Directly generate RTL pattern.
5166         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5167         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5168         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5169         disable patterns for SSE math.
5170         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5171         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5172         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5173         disable patterns for SSE math.
5174
5175 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5176
5177         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5178
5179 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5180
5181         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5182         VIEW_CONVERT_EXPR to the same type as it's operand.
5183
5184 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5185
5186         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5187         configured for long double 128.
5188
5189 2007-01-18  Mike Stump  <mrs@apple.com>
5190
5191         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5192         error.
5193
5194 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5195
5196         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5197         type correct.
5198
5199 2007-01-18  Jan Hubicka  <jh@suse.cz>
5200
5201         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5202         greater than NUM_VOP_FREE_BUCKETS.
5203
5204 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5205
5206         * tree-ssa-structalias.c: Update comments.
5207         (ptabitmap_obstack): Removed.
5208         (pta_obstack): New.
5209         (oldpta_obstack): Ditto.
5210         (stats): Add a few members.
5211         (struct variable_info): Remove node, complex, address_taken, and
5212         indirect_target members. Add oldsolution member.
5213         (new_var_info): Do not initialize removed members.
5214         (constraint_expr_type): Remove INCLUDES.
5215         (constraint_graph): Add size, implicit_preds, rep,
5216         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
5217         (FIRST_REF_NODE): New macro.
5218         (LAST_REF_NODE): Ditto.
5219         (FIRST_ADDR_NODE): Ditto.
5220         (find): New function.
5221         (unite): Ditto.
5222         (dump_constraint): Do not handle INCLUDES.
5223         (insert_into_complex): Do not insert duplicate constraints.
5224         (condense_varmap_nodes): Renamed and rewritten into ...
5225         (merge_node_constraints): This. Also fix bug in handling of
5226         offseted copy constraints.
5227         (clear_edges_for_node): No longer need to deal with preds at all,
5228         or removing associated preds/succs.
5229         (merge_graph_nodes): Deal with indirect_cycles.
5230         Don't deal with predecessors.
5231         (add_implicit_graph_edge): New function.
5232         (add_pred_graph_edge): Ditto.
5233         (add_graph_edge): Don't deal with predecessors.
5234         (build_constraint_graph): Removed.
5235         (build_pred_graph): New function.
5236         (build_succ_graph): Ditto.
5237         (struct scc_info): Removed in_component. Added roots, dfs, and
5238         node_mapping. Remove visited_index, unification_queue.
5239         (scc_visit): Deal with union-find we do now.
5240         Deal with cycles with REF nodes.
5241         (collapse_nodes): Renamed and rewritten to ...
5242         (unify_nodes): This.
5243         (process_unification_queue): Removed.
5244         (topo_visit): Cleanup
5245         (do_da_constraint): Use find.
5246         (do_sd_constraint): Ditto.
5247         (do_ds_constraint): Ditto.
5248         (do_complex_constraint): Ditto.
5249         (init_scc_info): Update for removed and added members.
5250         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
5251         (find_indirect_cycles): This.
5252         (equivalence_class): New variable.
5253         (label_visit): New function.
5254         (perform_variable_substitution): Rewritten.
5255         (free_var_substitution_info): New function.
5256         (find_equivalent_node): Ditto.
5257         (move_complex_constraints): Ditto.
5258         (eliminate_indirect_cycles): Ditto.
5259         (solve_graph): Only propagate changed bits.
5260         Use indirect cycle elimination.
5261         Use find.
5262         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
5263         (tree_id_eq): Renamed to ...
5264         (tree_vi_eq): This. Update for member change
5265         (insert_id_for_tree): Renamed and rewritten to ...
5266         (insert_vi_for_tree): This.
5267         (lookup_id_for_tree): Renamed and rewritten to ...
5268         (lookup_vi_for_tree): This.
5269         (get_id_for_tree): Renamed and rewritten to ...
5270         (get_vi_for_tree): Ditto.
5271         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
5272         (process_constraint): Don't handle INCLUDES.
5273         Remove special ADDRESSOF case.
5274         (find_func_aliases): Rewrite to use vi functions instead of id
5275         ones.
5276         (create_function_info_for): Ditto.
5277         (create_variable_info_for): Ditto.
5278         (intra_create_variable_infos): Ditto.
5279         (merge_smts_into): Ditto.
5280         (find_what_p_points_to): Ditto.
5281         (init_base_vars): Ditto.
5282         (init_alias_vars): Ditto.
5283         (remove_preds_and_fake_succs): New function.
5284         (dump_sa_points_to_info): Dump new stats.
5285         (dump_solution_for_var): Use find.
5286         (set_used_smts): Fix formatting.
5287         (compute_points_to_sets): Updated for new functions.
5288         (ipa_pta_execute): Ditto.
5289
5290 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5291             Richard Sandiford  <richard@codesourcery.com>
5292
5293         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
5294         parallels.
5295         * calls.c (expand_call): If the return value is a PARALLEL,
5296         extract its first member.
5297         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
5298         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5299         use FUNCTION_EXTRA_EPILOGUE.
5300         (m68k_function_value): Return a PARALLEL if the return value
5301         is of a pointer type.
5302         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
5303         (FUNCTION_EXTRA_EPILOGUE): Remove.
5304         * config/m68k/m68k.md (D0_REG): New constant.
5305
5306 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5307
5308         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5309         output a NOP for empty epilogues.
5310
5311 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5312
5313         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
5314         before function.  Extend register save check to include all
5315         registers, not just integer ones.
5316
5317 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5318
5319         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
5320         (m68k_use_return_insn): ...this.
5321         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
5322         * config/m68k/m68k.c (use_return_insn): Rename to...
5323         (m68k_use_return_insn): ...this.
5324         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
5325         of USE_RETURN_INSN.
5326
5327 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5328
5329         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
5330         nearest even, fix denormal rounding overflow.
5331
5332 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5333
5334         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
5335         f%$smove and f%$move.
5336         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
5337         (extendsfdf2_cf): Use fdmove instead of f%&move.
5338         (truncdfsf2_cf): Use fsmove instead of f%$smove.
5339         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
5340
5341 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5342
5343         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
5344         GPR<-GPR moves.
5345
5346 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5347
5348         * real.h (real_format): Add a canonical_nan_lsbs_set field.
5349         (coldfire_single_format): Declare.
5350         (coldfire_double_format): Likewise.
5351         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
5352         of qnan_msb_set to determine the lower bits of a canonical
5353         NaN significand.
5354         (encode_ieee_double): Likewise.
5355         (encode_ieee_quad): Likewise.
5356         (ieee_single_format): Initialize canonical_nan_lsbs_set.
5357         (mips_single_format): Likewise.
5358         (ieee_double_format): Likewise.
5359         (mips_double_format): Likewise.
5360         (ieee_extended_motorola_format): Likewise.
5361         (ieee_extended_intel_96_format): Likewise.
5362         (ieee_extended_intel_128_format): Likewise.
5363         (ieee_extended_intel_96_round_53_format): Likewise.
5364         (ibm_extended_format): Likewise.
5365         (mips_extended_format): Likewise.
5366         (ieee_quad_format): Likewise.
5367         (mips_quad_format): Likewise.
5368         (vax_f_format): Likewise.
5369         (vax_d_format): Likewise.
5370         (vax_g_format): Likewise.
5371         (i370_single_format): Likewise.
5372         (i370_double_format): Likewise.
5373         (decimal_single_format): Likewise.
5374         (decimal_double_format): Likewise.
5375         (decimal_quad_format): Likewise.
5376         (c4x_single_format): Likewise.
5377         (c4x_extended_format): Likewise.
5378         (real_internal_format): Likewise.
5379         (coldfire_single_format): New real_format.
5380         (coldfire_double_format): Likewise.
5381         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
5382         canonical_nan_lsbs_set.
5383         (pdp11_d_format): Likewise.
5384         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
5385         if TARGET_COLDFIRE_CPU.
5386
5387 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5388
5389         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
5390         (output_call, m68k_legitimize_call_address): Declare.
5391         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
5392         parenthesees.  Add support for a 'W' constraint.
5393         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
5394         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
5395         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
5396         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
5397         variables.
5398         (override_options): Initialize them.  Do not set flag_no_function_cse
5399         for TARGET_ID_SHARED_LIBRARY.
5400         (m68k_output_pic_call): Delete.
5401         (m68k_legitimize_call_address): New function.
5402         (print_operand): Remove the %o prefix.  Handle the %p prefix.
5403         (output_call): New function.
5404         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
5405         target address from the GOT if symbolic jumps are not allowed.
5406         * config/m68k/m68k.md (call, general_operand): Do not set
5407         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
5408         Merge separate flag_pic and !flag_pic define_insns into...
5409         (*call, *call_value): ...these new patterns.  Match the address
5410         rather than the containing MEM and require it to be a call_operand.
5411         Use output_call to generate the asm template.
5412         * config/m68k/predicates.md (const_call_operand): New predicate.
5413         (call_operand): Likewise.
5414
5415 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5416
5417         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
5418         (STACK_GROWS_DOWNWARD): Define to 1.
5419         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
5420         comments, emphasizing that these values are only defaults.
5421         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
5422         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
5423
5424 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5425
5426         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
5427
5428 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5429             Richard Sandiford  <richard@codesourcery.com>
5430
5431         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
5432         (FP_REGNO_P): New macros.
5433         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
5434         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
5435         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
5436         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
5437
5438 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5439
5440         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5441         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
5442         to $tmake_file.
5443         * config/m68k/t-floatlib: New file, extracting common code from...
5444         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
5445         * config/m68k/t-uclinux: Here.
5446         * config/m68k/fpgnulib.c: Do not compile extendeed precision
5447         routines on ColdFire targets.
5448
5449 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5450
5451         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5452         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
5453         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
5454         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
5455         explicitly set MOTOROLA to 1.
5456         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
5457
5458 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5459             Nathan Sidwell  <nathan@codesourcery.com>
5460
5461         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
5462         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
5463         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
5464         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
5465         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
5466         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
5467         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
5468         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
5469         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
5470         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5471         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
5472         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
5473         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
5474         (DBX_REGISTER_NUMBER): Delete.
5475         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
5476         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5477         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
5478
5479 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5480
5481         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
5482         * config/flat.h: New file.
5483         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
5484         OBJECT_FORMAT_FLAT.
5485         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
5486         indirect references for -msep-data or -mid-shared-library.
5487         Do not use PC-relative code addresses either.
5488         * config/m68k/m68k.c (override_options): Restrict -fPIC error
5489         to -mpcrel.
5490         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
5491         for shared libraries and crt1.o for executables.  Use crti.o and
5492         crtbegin.o.
5493         (ENDFILE_SPEC): Use crtend.o and crtn.o.
5494         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
5495         Do not add -elf2flt or -shared-lib-id options here.
5496         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
5497         Pass -shared-lib-id if -mid-shared-library, taking the library
5498         identifier from -mshared-library-id if given, otherwise
5499         defaulting to 0.
5500         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
5501         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
5502         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
5503         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
5504         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
5505         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
5506         and crtend.o.
5507         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
5508         jump sequence for ISA A and ISA A+.
5509         (PICJUMP): Likewise.
5510
5511 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5512
5513         * config.gcc (m68k-*-uclinux*): Base the port on the common
5514         and m68k GNU/Linux files rather than on the generic ELF ones.
5515         * config/m68k/uclinux.h (TARGET_VERSION): Override.
5516         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5517
5518 2007-01-18  Julian Brown  <julian@codesourcery.com>
5519             Richard Sandiford  <richard@codesourcery.com>
5520
5521         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
5522         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5523         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
5524         before redefining.
5525         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
5526         80 unconditionally.
5527         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5528
5529 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5530
5531         * doc/install.texi: Document m68k-uclinuxoldabi.
5532         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
5533         * config/m68k/uclinux-oldabi.h: New file, copied from
5534         config/m68k/uclinux.h.
5535
5536 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
5537
5538         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
5539         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
5540         (m32r_compute_frame_size): Use unsigned for regno.
5541         (m32r_reload_lr): Use gen_frame_mem.
5542         (pop): New.
5543         (m32r_output_function_epilogue): Don't output the function epilogue
5544         textually here.
5545         (m32r_expand_epilogue): New.
5546         (direct_return): Return false if the function has the interrupt
5547         attribute.
5548         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
5549         * config/m32r/m32r.md (epilogue): New expander.
5550         (return_lr, return_rte): New insns.
5551         (return): Make it expander.
5552         (return_normal): New expander.
5553
5554 2007-01-18  Josh Conner  <jconner@apple.com>
5555
5556         PR target/30485
5557         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
5558         support for UNLE, UNLT, UNGE, and UNGT.
5559
5560 2007-01-18  Jan Hubicka  <jh@suse.cz>
5561
5562         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
5563         * tree-tailcall (add_virtual_phis): Likewise.
5564         (optimize_tail_call): Return TODOs.
5565         (execute_tail_calls): Return TODOs.
5566         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
5567         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
5568         changed.
5569         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5570         Cleanup cfg using TODO.
5571         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
5572         * passes.c (execute_function_todo): When cleanup did something, remove
5573         unused locals.
5574         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
5575         (make_edges): Don't cleanup_cfg.
5576
5577 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
5578
5579         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
5580         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
5581         operate on the top of stack.
5582         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
5583         register handling of instructions that output to the second
5584         stack slot.
5585         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
5586         (move_for_stack_reg): Special-case check for dead destination
5587         stack slot for constant load of 1.0 inside UNSPEC_TAN.
5588
5589         * config/i386/i386.md (UNSPEC_TAN): New constant.
5590         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
5591         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
5592         to correctly model move of constant 1.0 to top stack slot.
5593         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
5594         (unnamed peephole2 pattern): Remove corresponding peephole2
5595         pattern that optimizes tan insn and loading of constant 1.0.
5596         (tanxf2): Use fptanxf4_i387.
5597         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
5598         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
5599         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5600         disable patterns for SSE math.
5601         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
5602         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
5603
5604 2007-01-18  Dirk Mueller  <dmueller@suse.de>
5605             Richard Guenther <rguenther@suse.de>
5606
5607         PR diagnostic/8268
5608         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
5609         * common.opt (Warray-bounds): Add new warning option.
5610         * c-opts.c (c_common_handle_option): Define -Warray-bounds
5611         if -Wall is given.
5612         * Makefile.in: make tree-vrp.o depend on toplev.h
5613         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
5614         is enabled.
5615         (check_array_refs, check_array_bounds, check_array_ref): New.
5616
5617 2007-01-18  Jan Hubicka  <jh@suse.cz>
5618
5619         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
5620         (execute_ssa_ccp): Return flags conditionally.
5621         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
5622         changed.
5623         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
5624
5625 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
5626
5627         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
5628         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
5629
5630         * Makefile.c (GTFILES): Add cfglayout.h.
5631         * gengtype.c (open_base_files): Likewise.
5632         * cfglayout.c (cfg_layout_function_footer,
5633         cfg_layout_function_header) Reindent to make gengtype happy.
5634         * cfglayout.h (cfg_layout_function_footer,
5635         cfg_layout_function_header): Add GTY(()) marker.
5636
5637         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
5638
5639 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5640
5641         * genautomata.c (write_automata): Include xstrerror output in the
5642         error message if writing the DFA description file fails.
5643
5644 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
5645
5646         * config/mips/mips-protos.h (mips_output_external): Make it
5647         return void.
5648         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
5649         * config/mips/mips.c (irix_output_external_libcall): Likewise.
5650         (extern_list): Likewise.
5651         (extern_head): Likewise.
5652         (TARGET_ASM_FILE_END): Likewise.
5653         (mips_file_end): Likewise.
5654         (mips_output_external): Rewritten.
5655
5656 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5657
5658         * genpreds.c (write_insn_preds_c): Only write out the function
5659         body for regclass_for_constraint if we have register constraints.
5660
5661 2007-01-17  Tom Tromey  <tromey@redhat.com>
5662
5663         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5664         * doc/install.texi (Testing): Use sourceware.org.
5665         (Binaries): Likewise.
5666         (Specific): Likewise.
5667         * doc/contrib.texi (Contributors): Use sourceware.org.
5668
5669 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5670
5671         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5672         (AVR_ENHANCED): Rename to ...
5673         (AVR_HAVE_MUL): ... new.
5674         (avr_enhanced_p): Rename to ...
5675         (avr_have_mul_p): ... new.
5676         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5677         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5678         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5679         (avr_have_mul_p): ... new.
5680         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5681         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5682         'avr_enhanced_p' and 'enhanced'.
5683         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5684         AVR_HAVE_MUL instead of AVR_ENHANCED.
5685         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5686         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5687         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5688         instead of AVR_ENHANCED.
5689         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5690         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5691         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5692
5693 2007-01-17  Ian Lance Taylor  <iant@google.com>
5694
5695         * vec.h (VEC_reserve_exact): Define.
5696         (vec_gc_p_reserve_exact): Declare.
5697         (vec_gc_o_reserve_exact): Declare.
5698         (vec_heap_p_reserve_exact): Declare.
5699         (vec_heap_o_reserve_exact): Declare.
5700         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5701         versions.
5702         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5703         negative parameter.
5704         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5705         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5706         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5707         * vec.c (calculate_allocation): Add exact parameter.  Change all
5708         callers.
5709         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5710         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5711         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5712         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5713         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5714         (vec_heap_p_reserve_exact): New function.
5715         (vec_heap_o_reserve_exact): New function.
5716
5717 2007-01-17  Jan Hubicka  <jh@suse.cz>
5718
5719         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5720
5721 2007-01-17  Eric Christopher  <echristo@apple.com>
5722
5723         * config.gcc: Support core2 processor.
5724
5725 2007-01-16  Jan Hubicka  <jh@suse.cz>
5726
5727         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5728         the names, just unlink the chain so we don't crash on dangling pointers
5729         to dead SSA names.
5730
5731 2007-01-16  Jan Hubicka  <jh@suse.cz>
5732
5733         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5734         * tree-pass.h: Reorder to make IPA passes appear toegher.
5735         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5736         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5737         parameters, do not call early inliner.
5738         * ipa-inline.c: Update comments.  Include tree-flow.h
5739         (cgraph_decide_inlining): Do not compute inlining parameters.
5740         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5741         be called with function context set up.
5742         (pass_ipa_inline): Remove unreachable functions before pass.
5743         (cgraph_early_inlining): Simplify assuming to be called from the
5744         PM as local pass.
5745         (pass_early_inline): New pass.
5746         (cgraph_gate_ipa_early_inlining): New gate.
5747         (pass_ipa_early_inline): Turn into simple wrapper.
5748         (compute_inline_parameters): New function.
5749         (gate_inline_passes): New gate.
5750         (pass_inline_parameters): New pass.
5751         (apply_inline): Move here from tree-optimize.c
5752         (pass_apply_inline): New pass.
5753         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5754         transforming.
5755         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5756         doing them by hand.
5757         (tree_function_versioning): Do not allocate dummy struct function.
5758         * tree-inline.h (optimize_inline_calls): Update prototype.
5759         * tree-optimize.c (execute_fixup_cfg): Export.
5760         (pass_fixup_cfg): Remove
5761         (tree_rest_of_compilation): Do not apply inlines.
5762         * tree-flow.h (execute_fixup_cfg): Declare.
5763         * Makefile.in (gt-passes.c): New.
5764         * passes.c: Include gt-passes.h
5765         (init_optimization_passes): New passes.
5766         (nnodes, order): New static vars.
5767         (do_per_function_toporder): New function.
5768         (execute_one_pass): Dump current pass here.
5769         (execute_ipa_pass_list): Don't dump current pass here.
5770
5771 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5772
5773         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5774         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5775
5776 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5777
5778         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5779         (strong_alias): Define.
5780         (__gcc_qmul): Provide non-FMA for soft-float.
5781         (__gcc_qdiv): Same.
5782         (__gcc_qneg): New.
5783         (__gcc_qeq): New.
5784         (__gcc_qle): New.
5785         (__gcc_qge): New.
5786         (__gcc_qunord): New.
5787         (__gcc_stoq): New.
5788         (__gcc_dtoq): New.
5789         (__gcc_qtos): New.
5790         (__gcc_qtod): New.
5791         (__gcc_qtoi): New.
5792         (__gcc_qtou): New.
5793         (__gcc_itoq): New.
5794         (__gcc_utoq): New.
5795         (fmsub): New.
5796         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5797         soft-float functions.
5798         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5799         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5800         about long double soft float.
5801
5802 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5803             Tehila Meyzels  <tehila@il.ibm.com>
5804
5805         * tree-vectorizer.h (is_pattern_stmt_p): New.
5806         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5807         formatting (tabs instead of spaces). Cleanup and clarify setting
5808         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5809         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5810         (vectorizable_type_demotion): Check that types are integral.
5811         (vectorizable_type_promotion): Likewise.
5812         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5813         comments.
5814
5815 2007-01-16  Jan Hubicka  <jh@suse.cz>
5816
5817         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5818         cgraph edges too.
5819
5820 2007-01-15  Eric Christopher  <echristo@apple.com>
5821
5822         * ifcvt.c: Include vec.h, vecprim.h.
5823         (check_cond_move_block): New argument regs.
5824         Reorganize. Add registers used to regs.
5825         (cond_move_process_if_block): Use regs set above as
5826         loop bounds.
5827
5828 2007-01-15  Eric Christopher  <echristo@apple.com>
5829
5830         * config/darwin.h: Update copyright.
5831         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5832         (LINK_COMMAND_SPEC): Add -u.
5833         (LINK_SPEC): Fix umbrella for above.
5834
5835 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5836
5837         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5838         glibc CVS.
5839
5840 2007-01-15  Tom Tromey  <tromey@redhat.com>
5841
5842         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5843         * doc/install.texi (Testing): Don't mention jacks.
5844         (Configuration): Document --enable-java-maintainer-mode.  Move
5845         --with-java-home to libgcj-specific section.  Document
5846         --with-ecj-jar.
5847         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5848
5849 2007-01-15  Jan Hubicka  <jh@suse.cz>
5850
5851         * tree-ssa-dce.c (DCE_TODOs): New.
5852         (propagate_necessity): Return if something changed.
5853         (eliminate_unnecessary_stmts): Likewise.
5854         (perform_tree_ssa_dce): Return TODO flags when needed.
5855         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5856
5857 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5858
5859         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5860         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5861         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5862         patterns using X87MODEF12 mode macro.  Extend operand 1
5863         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5864         (log10<mode>2): Ditto.
5865         (log2<mode>2): Ditto.
5866         (log1p<mode>2): Ditto.
5867         (logb<mode>2): Ditto.
5868         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5869         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5870         (*fxtractxf3_i387): Rename from *fxtractxf3.
5871         (fxtract_extend<mode>xf3_i387): New insn pattern.
5872         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5873         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5874         and gen_fyl2xxf3_i387().
5875
5876 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5877
5878         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5879         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5880         get_loop_exit_edges.  Changed return type to bool.
5881         * cfgloop.h (fix_loop_placement): Declaration removed.
5882
5883 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5884
5885         * param.h (MIN_VECT_LOOP_BOUND): New.
5886         * params.def (MIN_VECT_LOOP_BOUND): New.
5887         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5888         argument - minimum threshold for number of iterations.
5889         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5890         argument to declaration.
5891         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5892         MIN_VECT_LOOP_BOUND.
5893         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5894         slpeel_tree_peel_loop_to_edge with additional argument.
5895         (vect_do_peeling_for_alignment): Likewise.
5896         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5897
5898 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5899
5900         PR target/30413
5901         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5902         operands of size 1.
5903
5904 2007-01-14  Jan Hubicka  <jh@suse.cz>
5905
5906         * tree-dfa.c (remove_referenced_var): New function.
5907         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5908         prune referenced vars list too.
5909         * tree-flow.h (remove_referenced_var): Declare.
5910
5911 2007-01-14  Jan Hubicka  <jh@suse.cz>
5912
5913         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5914         separately.
5915         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5916         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5917         * except.h (verify_eh_throw_table_statements): Kill prototype.
5918         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5919         into call exrepssions.
5920         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5921         eh trhow verifier.
5922         * tree-cfg.c: Include pointer-set.h.
5923         (verify_node_sharing): Work on pointer set.
5924         (verify_eh_throw_stmt_node): New.
5925         (verify_stmts): Use pointers sets, verify throw_stmt.
5926
5927 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5928
5929         * ipa-reference.c (analyze_function): Consider also addresses taken
5930         in phi nodes.
5931
5932 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5933
5934         * c-typeck.c (null_pointer_constant_p): Replace use of
5935         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5936         (build_c_cast): Likewise.
5937
5938 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5939
5940         * tree.h (force_fit_type_double): Remove unused final argument.
5941         * c-common.c (constant_expression_warning): Replace use of
5942         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5943         (convert_and_check): Likewise.
5944         (shorten_compare): Update call to force_fit_type_double.
5945         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5946         * convert.c (convert_to_pointer): Update call to
5947         force_fit_type_double.
5948         * fold-const.c (force_fit_type_double): Remove overflowed_const
5949         argument.
5950         (int_const_binop, fold_convert_const_int_from_int,
5951         fold_convert_const_int_from_real, fold_div_compare,
5952         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5953         fold_abs_const, fold_not_const): Remove the final argument from
5954         calls to force_fit_type_double.
5955
5956 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5957
5958         * configure.ac: Set insn to "nop" for spu-*-* also.
5959         * configure: Regenerate.
5960
5961 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5962
5963         * builtins.def : Add BUILT_IN_FREE.
5964
5965 2007-01-12  Jan Hubicka  <jh@suse.cz>
5966
5967         PR tree-optimization/30443
5968         * tree-inline.c (tree_function_versioning): Do not optimize when
5969         cloning for inlining.
5970
5971 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5972
5973         * doc/loop.texi: Document recording of loop exits.
5974         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5975         (update_single_exits_after_duplication,
5976         update_single_exit_for_duplicated_loop,
5977         update_single_exit_for_duplicated_loops): Removed.
5978         (duplicate_loop_to_header_edge): Do not call
5979         update_single_exits_after_duplication and
5980         update_single_exit_for_duplicated_loops.
5981         (loop_version): Do not update single_exit information.
5982         (fix_loop_structure): Use record_loop_exits instead of
5983         mark_single_exit_loops.
5984         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5985         the lists of loop exits.
5986         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5987         split_edge, merge_blocks): Update the lists of loop exits.
5988         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5989         loop_optimizer_init.
5990         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5991         of mark_single_exit_loops.
5992         (loop_optimizer_finalize): Call release_recorded_exits.
5993         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5994         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5995         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5996         update single exit information.
5997         * lambda-code.c (perfect_nestify): Ditto.
5998         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5999         (mark_single_exit_loops): Removed.
6000         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
6001         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
6002         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
6003         functions.
6004         (get_loop_exit_edges, single_exit): Use recorded exit lists.
6005         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
6006         (verify_loop_structure): Verify consistency of the exit lists.
6007         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
6008         (set_single_exit): Removed.
6009         * cfgloop.h (struct loop_exit): New function.
6010         (struct loop): single_exit_ field replaced by exits field.
6011         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
6012         (struct loops): Added exits hash.
6013         (mark_single_exit_loops, set_single_exit): Declaration removed.
6014         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
6015
6016 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6017
6018         * doc/invoke.texi: Avoid use of @headitem.
6019
6020 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6021
6022         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
6023
6024 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6025
6026         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
6027         list of targets.
6028
6029 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6030             Richard Sandiford  <richard@codesourcery.com>
6031
6032         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
6033         * config/m68k/m68k.opt: Resort options.
6034         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
6035
6036 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6037             Richard Sandiford  <richard@codesourcery.com>
6038
6039         * doc/invoke.texi: Document the macros that are defined by
6040         m68k's -mtune and -mhard-float options.
6041         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
6042         (m68k_cpp_cpu_family): Likewise.
6043         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
6044         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
6045         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
6046         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
6047         (m68k_cpp_cpu_family): Likewise.
6048
6049 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6050
6051         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
6052         macros besides mc68000 as tuning macros.  Use a switch statement
6053         to set them and mcpu32.
6054
6055 2007-01-12  Julian Brown  <julian@codesourcery.com>
6056
6057         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
6058         (TARGET_68040_ONLY): Rename to...
6059         (TARGET_68040): ...this.
6060         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
6061         * config/m68k/m68k.md: Likewise.
6062
6063 2007-01-12  Julian Brown  <julian@codesourcery.com>
6064             Nathan Sidwell  <nathan@codesourcery.com>
6065             Richard Sandiford  <richard@codesourcery.com>
6066
6067         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
6068         the -mcpu= argument associated with the --with-cpu setting.
6069         Define M68K_DEFAULT_TUNE to the default -mtune= option,
6070         if different from the one implied by the -mcpu setting.
6071         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
6072         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
6073         * doc/invoke.texi: Mention ColdFire in the introduction to the
6074         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
6075         -mno-div and -mhard-float options.  Make -m68881 a synonym for
6076         -mhard-float.  Document the previously-undocumented -m5206e,
6077         -m528x, -m5307 and -m5407 options.  Tweak the existing option
6078         documentation for consistency.
6079         * doc/install.texi: Mention new --with-cpu arguments.
6080         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
6081         default CPU if neither -mcpu nor -march are specified.
6082         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
6083         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
6084         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
6085         using m68k_tune to decide between families that implement the
6086         same ISA.  Use m68k_tune to set __mcfv4e__.
6087         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
6088         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
6089         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
6090         (FL_ISA_C, FL_ISA_MMU): New macros.
6091         (MASK_COLDFIRE): Delete.
6092         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
6093         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
6094         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
6095         (TARGET_HARD_FLOAT): Do not define here.
6096         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
6097         (TUNE_68000): New macro.
6098         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
6099         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
6100         (TUNE_CFV2): Redefine in terms of m68k_tune.
6101         (uarch_type, target_device, fpu_type): New enums.
6102         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
6103         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
6104         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
6105         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
6106         (FL_FOR_isa_c): New macros.
6107         (m68k_isa): New enum.
6108         (m68k_target_selection): New structure.
6109         (all_devices, all_isas, all_microarchs): New tables.
6110         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6111         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6112         (MASK_ALL_CPU_BITS): Delete.
6113         (m68k_find_selection): New function.
6114         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6115         Map the legacy target options to a combination of the new ones.
6116         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6117         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6118         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6119         settings.
6120         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6121         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6122         properties.
6123         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6124         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6125         * config/m68k/m68k-devices.def: New file.
6126
6127 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6128             Nathan Sidwell  <nathan@codesourcery.com>
6129
6130         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6131         (SUBTARGET_EXTRA_SPECS): New macros.
6132         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6133         use %(asm_cpu_spec) instead.
6134         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6135         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6136         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6137         (EXTRA_SPECS): Rename to...
6138         (SUBTARGET_EXTRA_SPECS): ...this.
6139
6140 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6141             Richard Sandiford  <richard@codesourcery.com>
6142             Julian Brown  <julian@codesourcery.com>
6143
6144         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6145         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6146         to the configuration's default CPU.
6147         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6148         Remove default masks.
6149         (m680[012]0-*-*): Set the default with_cpu to the first part of
6150         the target name.
6151         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6152         (m68k*-*-linux): Extend the --with-cpu handling to...
6153         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6154         and m68010.  Don't set target_cpu_default2.
6155         * doc/install.texi: Document --with-cpu for m68k.
6156         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6157         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6158         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6159         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6160         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6161         (ASM_SPEC): Remove use of %(asm_cpu_default).
6162         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6163         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6164         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6165         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6166         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6167         (TARGET_DEFAULT): Delete.
6168         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6169         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6170         (CPP_CPU_SPEC): Delete.
6171         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6172         the appropriate string.
6173         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6174         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6175         (ASM_SPEC): Don't use %(asm_default_spec).
6176         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6177         TARGET_DEFAULT and add MASK_68881.
6178         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6179
6180 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6181
6182         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6183         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6184         MASK_68010 alongside MASK_68020.
6185         * doc/invoke.texi: Document -m68010.
6186         * config/m68k/m68k.opt (m68010): New.
6187         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6188         if TUNE_68010.
6189         (TUNE_68010): New macro.
6190         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6191         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6192         (M68K_CPU_m68332): Add MASK_68010.
6193         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6194         fallback definition.
6195         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6196         defines.
6197         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6198         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6199         to all entries that use MASK_68020.
6200         (output_move_simode_const, output_move_himode, output_move_qimode)
6201         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6202         instead of TARGET_68020 to select clr behavior.  Remove comment
6203         about there being no TARGET_68010.
6204         * config/m68k/m68k.md: Likewise throughout.
6205
6206 2007-01-12  Julian Brown  <julian@codesourcery.com>
6207
6208         * config/m68k/m68k.h (TARGET_ISAB): New macro.
6209         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
6210         * config/m68k/m68k.md: Likewise.
6211
6212 2007-01-12  Julian Brown  <julian@codesourcery.com>
6213
6214         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
6215         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
6216
6217 2007-01-12  Julian Brown  <julian@codesourcery.com>
6218
6219         * config/m68k/m68k.h (TUNE_68040_60): New macro.
6220         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
6221         * config/m68k/m68k.md: Likewise.
6222
6223 2007-01-12  Julian Brown  <julian@codesourcery.com>
6224             Richard Sandiford  <richard@codesourcery.com>
6225
6226         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
6227         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
6228         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
6229         TARGET_CPU32.
6230         (TARGET_CPU32): Rename to...
6231         (TUNE_CPU32): ...this.
6232         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
6233         (TUNE_CFV2): New macros.
6234         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
6235         remove conditions that are implied by TARGET_68020.
6236         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
6237         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
6238         (m68k_output_function_epilogue): Likewise.
6239         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
6240         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
6241         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
6242         non-68000 timings.  Refactor multiplication and division costs.
6243         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
6244         TUNE_CPU32 instead of TARGET_CPU32.
6245         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
6246         and TUNE_68060 instead of TARGET_68060.
6247         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
6248         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
6249         TARGET_CPU32.
6250         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
6251         && !TARGET_COLDFIRE" to choose between moveq and clr.
6252         Likewise in the unnamed movsf pattern.
6253         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
6254         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
6255         ashiftrt pattern.
6256
6257 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6258
6259         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
6260         of tabbing before backslashes.
6261
6262 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6263
6264         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
6265         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
6266         (ASM_OUTPUT_INTERNAL_LABEL): Define.
6267
6268 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6269
6270         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
6271         find_interesting_uses_cond.
6272         (find_interesting_uses_cond): Use extract_cond_operands.
6273         (rewrite_use_compare): Use extract_cond_operands and
6274         force_gimple_operand_bsi.  Do not call update_stmt.
6275         (determine_use_iv_cost_condition): Use extract_cond_operands.
6276         Return cheaper of using original bound and changing the exit bound.
6277
6278 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6279
6280         PR tree-optimization/29516
6281         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
6282         most_expensive_mult_to_index, addr_to_parts,
6283         create_mem_ref, maybe_fold_tmr): Make the type of
6284         fields of TARGET_MEM_REF sizetype.
6285         (move_fixed_address_to_symbol, move_pointer_to_base):
6286         New functions.
6287         * tree.def (TARGET_MEM_REF): Add comment on types of
6288         the operands.
6289
6290 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
6291
6292         * c-common.c (vector_types_convertible_p): Treat opaque types as
6293         always convertible if they have the same size, but not otherwise.
6294
6295 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
6296
6297         * ifcvt.c (struct noce_if_info): Add comments to the fields.
6298         Remove the b_unconditional field.
6299         (noce_try_sign_mask): Do not look at b_unconditional.
6300         (noce_process_if_block): Do not use merge_if_blocks.  Update
6301         the CFG here.  Do not set b_unconditional.
6302         (cond_move_process_if_block): Likewise.
6303         (find_cond_trap): Likewise.
6304         (check_cond_move_block): Require simple jump insns at the end
6305         of the basic block.
6306
6307 2007-01-11  Jan Hubicka  <jh@suse.cz>
6308
6309         PR tree-optimization/1046
6310         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
6311         when alias info is not ready.
6312         (pass_tail_recursion): Do not require aliasing.
6313         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
6314         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
6315         * tree-ssa-copy.c (pass_copy_prop): Likewise.
6316         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6317         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
6318         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
6319         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
6320         before inlining.
6321         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
6322         When aliasing is not build, mark statement as volatile.
6323
6324 2007-01-11  Tom Tromey  <tromey@redhat.com>
6325
6326         PR preprocessor/15185, PR preprocessor/20989:
6327         * doc/cppopts.texi <-MT>: Update description of algorithm for
6328         computing default target.
6329         <-M, -MD>: Reword "basename" text.
6330
6331 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6332
6333         * builtins.c (expand_builtin_pow, expand_builtin_powi,
6334         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
6335         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6336         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
6337         fold_builtin_bswap, real_constp, fold_builtin_pow,
6338         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
6339         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
6340         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6341         * convert.c (convert_to_pointer): Likewise.
6342         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
6343         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
6344         const_binop, fold_convert_const_int_from_int,
6345         fold_convert_const_int_from_real,
6346         fold_convert_const_real_from_real, sign_bit_p,
6347         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
6348         fold_sign_changed_comparison, fold_unary, fold_comparison,
6349         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
6350         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
6351         * print-tree.c (print_node_brief, print_node): Likewise.
6352         * stor-layout.c (place_field, layout_type): Likewise.
6353         * tree-chrec.c (keep_cast): Likewise.
6354         * tree.c (build_vector, build_real, build_real_from_int_cst,
6355         build_complex): Likewise.
6356
6357 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6358
6359         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
6360         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
6361
6362 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
6363
6364         * configure.ac (strict1_warn): Rename to strict_warn.
6365         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
6366         cc_set_by_configure, quoted_cc_set_by_configure,
6367         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
6368         all_boot_languages, all_stagestuff): Remove.
6369         (target_list): Remove bootstrap targets.
6370         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
6371         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
6372         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
6373         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
6374         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
6375         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
6376         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
6377         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
6378         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
6379         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
6380         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
6381         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
6382         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
6383         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
6384         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
6385         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
6386         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
6387         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
6388         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
6389         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
6390         (mostlyclean): Adjust.
6391         (clean, distclean): Don't mention bootstrap stuff.
6392         * configure: Regenerate.
6393         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
6394         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
6395         treelang/config-lang.in (stagestuff): Remove.
6396         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
6397         stageprofile, stagefeedback, stagestuff): Remove mention.
6398
6399 2007-01-11  Nick Clifton  <nickc@redhat.com>
6400
6401         * config/mcore/predicates.md (mcore_general_movesrc_operand):
6402         Accept CONSTs.
6403         (mcore_general_movdst_operand): Do not accept CONST_INTs.
6404         (mcore_arith_K_S_operand): Run the test for the S constraint not
6405         the test for the M constraint.
6406         (mcore_addsub_operand): Do not accept integer values that are
6407         larger than 32 bits.
6408         * config/mcore/mcore.md: Remove unused constraints from split.
6409         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
6410         (addsi3): Likewise.
6411         (allocate_stack): Likewise.
6412         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
6413         operands to 32 bits.
6414         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
6415         INTVAL.
6416         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
6417         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
6418         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
6419         mcore_output_bclri, mcore_output_andn, output_inline_const,
6420         mcore_output_move, mcore_output_movedouble): Likewise.
6421         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
6422         (output_inline_const): Likewise.
6423         (output_inline_const): Fix format strings used in sprintf
6424         statements.
6425         * config/mcore/mcore-protos.h: Update prototypes for changed
6426         functions in mcore.c.
6427         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
6428         HOST_WIDE_INT and not int.
6429         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
6430         CONST_OK_FOR_N): Likewise.
6431         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
6432         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
6433         an INTVAL.
6434
6435 2007-01-10  Jan Hubicka  <jh@suse.cz>
6436
6437         * tree-vrp.c (remove_range_assertions): Release defs.
6438         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
6439         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
6440
6441 2007-01-10  Paul Brook  <paul@codesourcery.com>
6442
6443         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
6444         * config/arm/arm.md (mulsi3subsi): New insn.
6445
6446 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
6447
6448         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
6449         (tree_transform_and_unroll_loop): New.
6450         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
6451         Declare.
6452
6453 2007-01-10  Robert Kennedy <jimbob@google.com>
6454
6455         * fold-const.c (fold_comparison): Fold comparisons like (x *
6456         1000 < 0) to (x < 0).
6457
6458 2007-01-10  Ian Lance Taylor  <iant@google.com>
6459
6460         * tree-pretty-print.c (dump_generic_node): Print parentheses when
6461         operands have the same priority.
6462
6463 2007-01-10  Tom Tromey  <tromey@redhat.com>
6464
6465         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
6466         (fold_binary): Likewise.
6467         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
6468         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
6469         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
6470         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
6471         * langhooks.h (struct lang_hooks): Removed field
6472         'can_use_bit_fields_p'.
6473
6474 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
6475
6476         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
6477
6478 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
6479
6480         * function.c (get_last_funcdef_no): New function.
6481         * function.h (get_last_funcdef_no): Declare.
6482         * tree-inline.c (initialize_cfun): Add initialization.
6483         (tree_function_versioning): Cleanup.
6484
6485 2007-01-10  Jan Hubicka  <jh@suse.cz>
6486
6487         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
6488         PHIs.
6489
6490 2007-01-10  Sa Liu  <saliu@de.ibm.com>
6491             Ben Elliston  <bje@au.ibm.com>
6492
6493         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
6494         for SAVE_NONLOCAL and Pmode for any other save level.
6495         * spu-protos.h (spu_restore_stack_block): Declare.
6496         * spu.md (save_stack_block): Remove.
6497         (restore_stack_block): Call spu_restore_stack_block.
6498         * spu.c (spu_restore_stack_block): New function.
6499         (spu_expand_epilogue): Remove old comment.
6500
6501 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
6502
6503         PR tree-optimization/30322
6504         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
6505         (cand_value_at): Return the value as aff_tree.
6506         (may_eliminate_iv): Convert the bound from aff_tree to tree.
6507         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
6508         aff_combination_mult): New functions.
6509         (aff_combination_add): Use aff_combination_add_cst.
6510         (aff_combination_convert): Allow conversions to a wider type.
6511         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
6512         * tree-affine.h (aff_combination_mult): Declare.
6513
6514 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
6515
6516         * doc/tm.texi: Update documentation to reflect reality of exec
6517         and start file search behaviours. Update copyright year.
6518         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
6519         header file directories.
6520
6521 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
6522
6523         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
6524         (*cosxf2): Rename to cosxf2_i387.
6525         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
6526         using X87MODEF12 mode macro. Rename patterns to
6527         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
6528         for SSE math.
6529         (*cosdf2, *cossf2): Ditto.
6530         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
6531         to match extended input operands.
6532         (sincos<mode>3): New expander.
6533         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
6534         insn patterns and corresponding splitters.
6535
6536 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6537
6538         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
6539         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
6540
6541 2007-01-09  Nicolas Pitre  <nico@cam.org>
6542
6543         PR target/30173
6544         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
6545
6546 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6547
6548         * target.h (struct gcc_target): New field library_rtti_comdat.
6549         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
6550         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
6551         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
6552         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
6553
6554 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6555
6556         * doc/invoke.texi (Optimize Options): Correct description of -O0.
6557
6558 2007-01-08  Richard Guenther  <rguenther@suse.de>
6559
6560         * tree.h (force_fit_type_double): Export.
6561         (force_fit_type): Remove.
6562         * fold-const.c (force_fit_type_double): New function.
6563         (force_fit_type): Remove.
6564         (int_const_binop): Use it.
6565         (fold_convert_const_int_from_int): Likewise.
6566         (fold_convert_const_int_from_real): Likewise.
6567         (fold_div_compare): Likewise.
6568         (fold_sign_changed_comparison): Likewise.
6569         (fold_unary): Likewise.
6570         (fold_negate_const): Likewise.
6571         (fold_abs_const): Likewise.
6572         (fold_not_const): Likewise.
6573         * c-common.c (shorten_compare): Use force_fit_type_double.
6574         * convert.c (convert_to_pointer): Likewise.
6575
6576 2007-01-08  Richard Guenther  <rguenther@suse.de>
6577
6578         * tree.h (build_int_cst_wide_type): Export.
6579         * tree.c (build_int_cst_wide_type): New function.
6580         (build_int_cst_wide): Fix comment.
6581         * builtins.c (fold_builtin_object_size): Use build_int_cst
6582         to build -1 or 0 of the correct type.  Use fit_double_type
6583         to check for overflow.
6584         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
6585         to build the mask.
6586         (decode_field_reference): Likewise.
6587         (all_ones_mask_p): Likewise.
6588         (native_interpret_int): Use build_int_cst_wide_type.
6589         (fold_binary): Use build_int_cst_type to build an all-ones
6590         value.
6591         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
6592
6593 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
6594
6595         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
6596
6597 2007-01-09  Ben Elliston  <bje@au.ibm.com>
6598
6599         * genautomata.c (STATS_OPTION): New option.
6600         (stats_flag): New flag.
6601         (gen_automata_option): Handle it.
6602         (initiate_automaton_gen): Ditto.
6603         (write_automata): Output statistics only if stats_flag is
6604         set. Likewise, output time statistics only if time_flag is set.
6605         * doc/md.texi (Processor pipeline description): Document new flag.
6606
6607 2007-01-08  Richard Guenther  <rguenther@suse.de>
6608
6609         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
6610         * tree.c (build_int_cst_type): Likewise.
6611         (size_in_bytes): Don't call force_fit_type on the result.
6612         (int_fits_type_p): Use fit_double_type.
6613         * fold-const.c (fit_double_type): New function.
6614         (force_fit_type): Use it.
6615         * tree.h (fit_double_type): Export.
6616
6617 2007-01-08  Jan Hubicka  <jh@suse.cz>
6618
6619         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
6620         * ipa.c (function_and_variable_visibility): Fix return type.
6621
6622 2007-01-08  Richard Guenther  <rguenther@suse.de>
6623
6624         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
6625         of offset to build the index.
6626         * tree-pretty-print.c (dump_generic_node): Don't build negated
6627         const just for printing.
6628         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6629         * builtins.c (fold_builtin_int_roundingfn): Check if result
6630         fits the type by using force_fit_type and comparing the result.
6631         * predict.c (predict_loops): Use compare_tree_int for comparison.
6632         * tree.c (build_int_cst): Fall back to integer_type_node for
6633         NULL_TREE type.
6634         (build_int_cst_wide): Assert type is non-null.
6635
6636 2007-01-08  Roberto Costa  <roberto.costa@st.com>
6637
6638         * tree-vrp.c (extract_range_from_cond_expr): New.
6639         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
6640         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
6641         as expressions.
6642         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
6643         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
6644         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
6645         used as expressions.
6646         * tree-object-size.c (cond_expr_object_size): New.
6647         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
6648
6649 2007-01-08  Jan Hubicka  <jh@suse.cz>
6650
6651         * tree-ssa-forwprop.c (forward_propagate_into_cond,
6652         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6653         statement.
6654
6655 2007-01-08  Richard Guenther  <rguenther@suse.de>
6656
6657         PR tree-optimization/23603
6658         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6659         (extract_range_from_binary): Fall back to truthvalue instead of
6660         varying for TRUTH_*_EXPR.
6661         (extract_range_from_comparison): Fall back to truthvalue instead of
6662         varying.
6663         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6664         if all visited PHI values were constant.
6665
6666 2007-01-08  Jan Hubicka  <jh@suse.cz>
6667
6668         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6669         (cgraph_analyze_function): break out from ...
6670         (cgraph_finalize_compilation_unit): ... here.
6671         (cgraph_expand_function): Remove forgoten commented out line.
6672         (cgraph_optimize): Analyze functions.
6673
6674 2007-01-08  Jan Hubicka  <jh@suse.cz>
6675
6676         * tree-pas.h (TODO_remove_function): New flag.
6677         (TODO_update*): Renumber.
6678         (pass_ipa_increase_alignment,
6679         pass_ipa_function_and_variable_visibility): New passes.
6680         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6681         (cgraph_function_and_variable_visibility): Move to ipa.c
6682         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6683         cgraph_increase_alignment.
6684         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6685         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6686         calling tree-inline.
6687         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6688         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6689         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6690         (gate_increase_alignment): New function.
6691         (pass_ipa_increase_alignment): New pass.
6692         * ipa.c: Inline tree-pass.h and timevar.h
6693         (function_and_variable_visibility): Move here from cgraphunit.c
6694         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6695         * passes.c (init_optimization_passes): Add the two new passes.
6696         (execute_todo): Handle cgraph_remove_functions.
6697
6698 2007-01-08  Nick Clifton  <nickc@redhat.com>
6699
6700         * config/frv/predicates.md (reg_or_0_operand): Accept
6701         CONST_DOUBLEs.
6702
6703 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6704
6705         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6706         * config.gcc: Add bfin*-rtems*.
6707
6708 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6709
6710         * c.opt: Add -flax-vector-conversions.
6711         * c-typeck.c (convert_for_assignment): Pass flag to
6712         vector_types_convertible_p to allow emission of note.
6713         (digest_init): Likewise.
6714         * c-opts.c: Handle -flax-vector-conversions.
6715         * c-common.c (flag_lax_vector_conversions): New.
6716         (vector_types_convertible_p): Unless -flax-vector conversions
6717         has been passed, disallow conversions between vectors with
6718         differing numbers of subparts and/or element types.  If such
6719         a conversion is disallowed, possibly emit a note on the first
6720         occasion only to inform the user of -flax-vector-conversions.
6721         The new last argument specifies this.
6722         * c-common.h (flag_lax_vector_conversions): New.
6723         (vector_types_convertible_p): Add extra argument.
6724         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6725         char_type_node for V*QI type vectors.
6726         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6727         Update to satisfy new typechecking rules.
6728         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6729         C and C++ variants.
6730         * doc/invoke.texi (C Dialect Options): Document
6731         -flax-vector-conversions.
6732
6733 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6734
6735         PR tree-optimization/29877
6736         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6737         a register variable on the RHS to not be replaceable.
6738
6739 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6740         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6741         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6742         const_simm15, const_pow2, const_npow2): Added.
6743         * config/score/misc.md (insv, extv, extzv, movmemsi,
6744         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6745         * config/score/score.c (score_address_cost, score_select_cc_mode):
6746         Added.
6747         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6748         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6749         Update score_print_operand.
6750         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6751         Adjust register allocate order and update some macro define.
6752         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6753         mdx_block_move_straight, mdx_block_move_loop_head,
6754         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6755         mdx_block_move): Added.
6756         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6757         mdp_limm): Updated and fix some bug and typo.
6758         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6759         (movsf, movdf, doloop_end): Added.
6760
6761 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6762
6763         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6764         config/arm/thumb2.md: Fix comment typos.
6765         * doc/extend.texi: Fix a typo.
6766
6767 2007-01-07  Eric Christopher  <echristo@apple.com>
6768
6769         * configure.ac: Check for __stack_chk_fail for darwin.
6770         * configure: Regenerate.
6771
6772 2007-01-07  Richard Guenther  <rguenther@suse.de>
6773
6774         * tree-vrp.c (extract_range_from_assert): CSE calls to
6775         compare_values where possible.
6776         (extract_range_from_unary_expr): Likewise.
6777
6778 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6779
6780         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6781         * config/avr/avr.c (call_insn_operand): Delete function.
6782         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6783         instead of register number. Use predicates.
6784         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6785         call_insn_operand): Add.
6786
6787 2007-01-06  Jan Hubicka  <jh@suse.cz>
6788
6789         * tree-pass.h (pass_build_cgraph_edges): Declare.
6790         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6791         (visited_nodes): Remove.
6792         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6793         build_cgrpah_edges; make visited_nodes local.
6794         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6795         (record_references_in_initializer): Move to cgraphbuild.c
6796         (initialize_inline_failed, rebuild_cgraph_edges,
6797         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6798         (verify_cgraph_node): Make visited_nodes local.
6799         (cgraph_analyze_function): Do not call cgraph_create_edges and
6800         initialize_inline_failed.
6801         (cgraph_expand_function): Do not call cgraph_lower_function;
6802         assert that function is already lowered.
6803         * Makefile.in (cgraphbuild.o): New.
6804         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6805         at the end of lowering passes.
6806
6807 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6808
6809         * ifcvt.c (cond_move_convert_if_block): New function, code
6810         factored out from...
6811         (cond_move_process_if_block): ...here.  Call the new function
6812         on the THEN and ELSE blocks.
6813         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6814         already takes care of this.
6815
6816 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6817
6818         PR c/19978
6819         * tree.h (TREE_OVERFLOW_P): New.
6820         * c-typeck.c (parser_build_unary_op): Warn only if result
6821         overflowed and operands did not.
6822         (parser_build_binary_op): Likewise.
6823         (convert_for_assignment): Remove redundant overflow_warning.
6824         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6825
6826 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6827
6828         * c-typeck.c (store_init_value): Split over two lines to follow
6829         the GNU coding style.
6830
6831 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6832
6833         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6834         __GXX_EXPERIMENTAL_CXX0X__.
6835         * doc/cpp.texi: Same.
6836
6837 2007-01-05  Richard Guenther  <rguenther@suse.de>
6838
6839         PR middle-end/27826
6840         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6841         with mismatched types.  Instead explicitly build a
6842         conversion NOP_EXPR.
6843
6844 2007-01-05  Ian Lance Taylor  <iant@google.com>
6845
6846         * c-common.c (decl_with_nonnull_addr_p): New function.
6847         (c_common_truthvalue_conversion): Call it.
6848         * c-typeck.c (build_binary_op): Likewise.
6849         * c-common.h (decl_with_nonnull_addr_p): Declare.
6850
6851 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6852
6853         PR c/30360
6854         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6855         denom against 0.0.
6856
6857 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6858
6859         * doc/install.texi (Final install): Document the fact that
6860         the GNAT runtime should not be stripped.
6861
6862 2007-01-04  Jan Hubicka  <jh@suse.cz>
6863
6864         * tree-inline.c (fold_marked_statements): Update operand caches
6865         and EH after folding
6866
6867 2007-01-04  Ian Lance Taylor  <iant@google.com>
6868
6869         * c-common.c (check_function_nonnull): Whitespace fix.
6870
6871 2007-01-04  Jan Hubicka  <jh@suse.cz>
6872
6873         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6874         comitted older version of patch.
6875         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6876         function, celanup cfg and collect garbage.
6877
6878 2007-01-04  Mike Stump  <mrs@apple.com>
6879
6880         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6881         (clean): Likewise.
6882
6883 2007-01-04  Eric Christopher  <echristo@apple.com>
6884
6885         * libgcc2.c (__bswapsi2): Use SItype.
6886         (__bswapdi2): Use DItype.
6887         * libgcc2.h: Update for above.
6888
6889 2007-01-04  Paul Brook  <paul@codesourcery.com>
6890
6891         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6892         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6893         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6894         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6895         umulsi3_highpart): Make conditional on !arm_arch6.
6896         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6897         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6898         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6899         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6900         umulsi3_highpart_v6): New insns.
6901
6902 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6903
6904         * fold-const.c (fold_convert): When casting an expression to void,
6905         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6906         have a type.  Instead of attempting to build a NOP_EXPR, return
6907         these "special" trees directly.
6908
6909 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6910
6911         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6912         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6913         rs6000_cost->fp not 0 as adjustment for outer NEG.
6914
6915 2007-01-04  Jan Hubicka  <jh@suse.cz>
6916
6917         * cgraph.c (cgraph_release_function_body): New function.
6918         (cgraph_remove_node): Use it.
6919         * cgraph.h (cgraph_release_function_body): Declare.
6920         * cgraphunit.c (cgraph_expand_function): Use it.
6921         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6922         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6923         is initialized and while compilation of other function is running.
6924         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6925         statement CFG annotations from here to ...
6926         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6927
6928 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6929
6930         * cfgloop.h (enum li_flags): Make the constants powers of two.
6931
6932 2007-01-04  Jan Hubicka  <jh@suse.cz>
6933
6934         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6935         set.
6936         (fold_marked_statements): New function.
6937         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6938         * tree-inline.h (copy_body_data): Add statements_to_fold.
6939
6940 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6941
6942         * config.gcc: Mention libgcc/config.host.
6943         * Makefile.in: Update comments mentioning libgcc.
6944         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6945         (all.cross, start.encap, rest.encap, rest.cross): Update
6946         dependencies for libgcc move.
6947         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6948         (clean-target, clean-target-libgcc): Delete.
6949         (srcdirify, GCC_EXTRA_PARTS): New macros.
6950         (libgcc-support, libgcc.mvars): New rules.
6951         (distclean): Remove mention of mklibgcc.
6952         (install): Don't reference INSTALL_LIBGCC.
6953         (install-common): Don't reference EXTRA_PARTS.
6954         (install-libgcc, install-multilib): Delete rules.
6955         * mklibgcc.in: Delete file.
6956         * doc/configfiles.texi: Don't mention mklibgcc.
6957
6958         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6959         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6960         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6961         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6962         (mklibgcc, ldblspecs): Likewise.
6963
6964         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6965         (posixpre.def): Use $(T).
6966         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6967         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6968         (SHLIB_LINK): Make dummy.
6969         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6970
6971         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6972
6973         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6974         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6975         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6976         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6977
6978         * configure.ac (all_outputs): Remove mklibgcc.
6979         * configure: Regenerated.
6980
6981 2007-01-03  Josh Conner  <jconner@apple.com>
6982
6983         PR middle-end/29683
6984         * calls.c (compute_argument_addresses): Set stack and stack_slot
6985         for partial args, too.
6986         (store_one_arg): Use locate.size.constant for the size when
6987         generating a save_area.
6988
6989 2007-01-03  Robert Kennedy <jimbob@google.com>
6990
6991         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6992         whose definitions are deleted due to basic block merging.
6993
6994 2007-01-03  Paul Brook  <paul@codesourcery.com>
6995
6996         PR target/16634
6997         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6998         functions.
6999         (use_return_insn): Return 0 for Thumb interrupt functions.
7000         (print_multi_reg): Add rfe argument for IRQ returns.
7001         (arm_output_epilogue): Pop interrupt return address directly into PC.
7002         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
7003
7004 2007-01-03  Paul Brook  <paul@codesourcery.com>
7005
7006         Merge from sourcerygxx-4_1.
7007         * config/arm/thumb2.md: New file.
7008         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
7009         Thumb-2.
7010         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
7011         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7012         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
7013         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
7014         tables.
7015         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
7016         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
7017         comptibility.
7018         * config/arm/ieee754-sf.S: Ditto.
7019         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
7020         (thumb1_base_register_rtx_p): ... to this.
7021         (thumb_index_register_rtx_p): Rename...
7022         (thumb1_index_register_rtx_p): ... to this.
7023         (thumb_output_function_prologue): Rename...
7024         (thumb1_output_function_prologue): ... to this.
7025         (thumb_legitimate_address_p): Rename...
7026         (thumb1_legitimate_address_p): ... to this.
7027         (thumb_rtx_costs): Rename...
7028         (thumb1_rtx_costs): ... to this.
7029         (thumb_compute_save_reg_mask): Rename...
7030         (thumb1_compute_save_reg_mask): ... to this.
7031         (thumb_final_prescan_insn): Rename...
7032         (thumb1_final_prescan_insn): ... to this.
7033         (thumb_expand_epilogue): Rename...
7034         (thumb1_expand_epilogue): ... to this.
7035         (arm_unwind_emit_stm): Rename...
7036         (arm_unwind_emit_sequence): ... to this.
7037         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
7038         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
7039         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
7040         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
7041         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
7042         thumb2_output_casesi): New functions.
7043         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
7044         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
7045         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
7046         THUMB2_WORK_REGS): Define.
7047         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
7048         arm_condexec_mask, arm_condexec_masklen)): New variables.
7049         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
7050         (arm_override_options): Check new CPU capabilities.
7051         Set new architecture flag variables.
7052         (arm_isr_value): Handle v7m interrupt functions.
7053         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
7054         Thumb-2.
7055         (const_ok_for_arm): Handle Thumb-2 constants.
7056         (arm_gen_constant): Ditto.  Use movw when available.
7057         (arm_function_ok_for_sibcall): Return false for v7m interrupt
7058         functions.
7059         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
7060         (thumb_find_work_register, arm_load_pic_register,
7061         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
7062         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
7063         print_multi_reg, output_mov_long_double_fpa_from_arm,
7064         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
7065         output_mov_double_fpa_from_arm, output_move_double,
7066         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
7067         output_return_instruction, arm_output_function_prologue,
7068         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
7069         arm_output_mi_thunk, thumb_set_return_address): Ditto.
7070         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
7071         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
7072         (arithmetic_instr, shift_op): Use arm_shift_nmem.
7073         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
7074         '!' and 'L'.
7075         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
7076         (thumb_expand_prologue): Use thumb_set_frame_pointer.
7077         (arm_file_start): Output directive for unified syntax.
7078         (arm_unwind_emit_set): Handle stack alignment instruction.
7079         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
7080         Add v6t2, v7, v7a, v7r and v7m.
7081         (RETLDM): Add Thumb-2 code.
7082         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
7083         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
7084         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
7085         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
7086         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
7087         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
7088         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
7089         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
7090         ADJUST_INSN_LENGTH): Define.
7091         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
7092         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
7093         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
7094         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
7095         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7096         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
7097         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
7098         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
7099         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
7100         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
7101         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
7102         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
7103         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
7104         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
7105         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
7106         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
7107         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7108         cortex-m3.
7109         * config/arm/arm-tune.md: Regenerate.
7110         * config/arm/arm-protos.h: Update prototypes.
7111         * config/arm/vfp.md: Enable patterns for Thumb-2.
7112         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7113         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7114         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7115         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7116         * config/arm/libunwind.S: Add Thumb-2 code.
7117         * config/arm/constraints.md: Update include Thumb-2.
7118         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7119         * config/arm/ieee754-df.S: Ditto.
7120         * config/arm/bpabi.S: Ditto.
7121         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7122         * config/arm/predicates.md (low_register_operand,
7123         low_reg_or_int_operand, thumb_16bit_operator): New.
7124         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7125         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7126         * config/arm/t-arm-elf: Add armv7 multilib.
7127         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7128         Include thumb2.md.
7129         (UNSPEC_STACK_ALIGN, ce_count): New.
7130         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7131         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7132         insns/expanders.
7133         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7134         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7135         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7136         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7137         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7138         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7139         insns.
7140         * doc/extend.texi: Document ARMv7-M interrupt functions.
7141         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7142
7143 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7144
7145         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7146         (struct _Unwind_Context): Rename args_size to flags, remove
7147         signal_frame field, add a new args_size field and version field.
7148         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7149         _Unwind_IsExtendedContext): New inline functions.
7150         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7151         Assume by_value array is only present if _Unwind_IsExtendedContext.
7152         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7153         _Unwind_IsSignalFrame.
7154         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7155         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7156         (uw_init_context_1): Initialize context->flags to
7157         EXTENDED_CONTEXT_BIT.
7158         * config/rs6000/linux-unwind.h (frob_update_context): Use
7159         _Unwind_SetSignalFrame.
7160
7161 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7162
7163         PR middle-end/30353
7164         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7165         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7166         the value.
7167
7168 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7169
7170         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7171         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7172         RET, AT_SP): Remove.
7173         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7174         instead of RET.
7175
7176         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7177         * cfgbuild.c (find_basic_blocks): Likewise.
7178         * cfgrtl.c (rtl_create_basic_block): Likewise.
7179         * function.c (temp_slots_at_level): Likewise.
7180         * reg-stack.c (stack_regs_mentioned): Likewise.
7181         * regclass.c (allocate_reg_info): Likewise.
7182         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7183         set_bb_for_stmt, move_block_to_fn): Likewise.
7184         * tree-complex.c (tree_lower_complex): Likewise.
7185         * vec.h (VEC_safe_grow_cleared): New.
7186
7187         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7188
7189 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7190
7191         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7192         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7193         to loop_version.
7194         * cfgloopmanip.c (scale_loop_frequencies): Export.
7195         (loopify): Scale the frequencies by prescribed coefficients.
7196         (set_zero_probability): New function.
7197         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7198         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7199         and frequencies according to arguments.
7200         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7201         correctly.
7202         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7203         * modulo-sched.c (sms_schedule): Set probabilities for entering
7204         versioned loop correctly.
7205         * tree-vect-transform.c (vect_transform_loop): Ditto.
7206         * cfgloop.h (loopify, loop_version): Declaration changed.
7207         (scale_loop_frequencies): Declared.
7208
7209 2007-01-02  Jan Hubicka  <jh@suse.cz>
7210
7211         * cgraph.c: Include tree-flow.h
7212         (cgraph_add_new-function): Handle IPA_SSA mode; execute
7213         early_local_passes.
7214         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
7215         * tree-pass.h (pass_all_early_optimizations): Declare.
7216         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
7217         early_local_passes.
7218         (cgraph_analyze_function): Do early_local_passes.
7219         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7220         Do not add referenced vars.
7221         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
7222         SSA form.
7223         (gate_all_early_local_passes): New gate.
7224         (pass_early_local_passes): Use new gate.
7225         (execute_early_local_optimizations): New functions.
7226         (gate_all_early_optimizations): New gate.
7227         (pass_all_early_optimizations): New pass.
7228         (execute_free_datastructures): Free SSA only when initialized.
7229         (gate_init_datastructures): Init only when optimizing.
7230         (tree_lowering_passes): Do early local passes when called late.
7231         * tree-profile.c (do_tree_profiling): Don't profile functions added
7232         late.
7233         (do_early_tree_profiling, pass_early_tree_profile): Kill.
7234         * tree-cfg.c (update_modified_stmts): Do not update when operands are
7235         not active.
7236         * passes.c (init_optimizations_passes): Reorder so we go into SSA
7237         during early_local_passes.
7238         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
7239
7240
7241 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7242
7243         * Makefile.in: Update copyright year.
7244
7245 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7246
7247         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
7248         in $(lang_checks) and check-consistency targets.
7249
7250 2007-01-02  Jan Hubicka  <jh@suse.cz>
7251
7252         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7253         Do not add referenced vars.
7254         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
7255         are not active.
7256         * passes.c (init_optimization_passes): Put mudflap_2 after
7257         free_datastructures.
7258
7259 2007-01-02  Jan Hubicka  <jh@suse.cz>
7260
7261         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
7262         Set NOTHROW flag on call statements proved to be nothrow.
7263         Update statement of local calls so new pure/const functions are
7264         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
7265         goto receivers.
7266         (tree_rest_of_compilation): Register hooks and initialize bitmap
7267         early. Do not set after_inlining flag.
7268
7269 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
7270
7271         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
7272         HOST_BITS_PER_LONGLONG
7273
7274 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7275
7276         PR c/19977
7277         * c-typeck.c (store_init_value): Don't emit pedantic overflow
7278         warning for non-static initializers.
7279
7280 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
7281
7282         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
7283         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
7284         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
7285         Always use set_unique_reg_note to add REG_EQUAL notes.
7286
7287 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7288
7289         Revert:
7290         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7291
7292         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7293         * cfgbuild.c (find_basic_blocks): Likewise.
7294         * cfgrtl.c (rtl_create_basic_block): Likewise.
7295         * function.c (temp_slots_at_level): Likewise.
7296         * reg-stack.c (stack_regs_mentioned): Likewise.
7297         * regclass.c (allocate_reg_info): Likewise.
7298         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7299         set_bb_for_stmt, move_block_to_fn): Likewise.
7300         * tree-complex.c (tree_lower_complex): Likewise.
7301         * vec.h (VEC_safe_grow_cleared): New.
7302
7303 2007-01-02  Ian Lance Taylor  <iant@google.com>
7304
7305         * c-common.c (c_common_truthvalue_conversion): When warning about
7306         using an assignment as a truth value, set TREE_NO_WARNING.
7307
7308 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7309
7310         PR middle-end/7651
7311         * c.opt (Wold-style-declaration): New.
7312         * doc/invoke.texi (C-only Warning Options): New.
7313         (Wold-style-declaration): Document it.
7314         (Wextra): Enabled by -Wextra.
7315         * c-opts.c (c_common_post_options): Enabled by -Wextra.
7316         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
7317         -Wold-style-declaration.
7318
7319 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7320
7321         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7322         * cfgbuild.c (find_basic_blocks): Likewise.
7323         * cfgrtl.c (rtl_create_basic_block): Likewise.
7324         * function.c (temp_slots_at_level): Likewise.
7325         * reg-stack.c (stack_regs_mentioned): Likewise.
7326         * regclass.c (allocate_reg_info): Likewise.
7327         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7328         set_bb_for_stmt, move_block_to_fn): Likewise.
7329         * tree-complex.c (tree_lower_complex): Likewise.
7330         * vec.h (VEC_safe_grow_cleared): New.
7331
7332 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
7333
7334         * c-common.c (c_common_nodes_and_builtins): Since variants of
7335         void_type_node get built before it is given a name, we need to
7336         give those variants the name, too.
7337         (complete_array_type): We need to work with the canonical main
7338         type of the array, from which we will build the qualified version.
7339         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
7340         * print-tree.c (print_node): Display canonical type information
7341         for each type.
7342         * stor-layout.c (layout_type): When we don't know the
7343         alignment of a type for which we're building an array, we end up
7344         guessing wrong, so make the type require structural equality.
7345         * tree.c (make_node_stat): When we build a new type, it is its
7346         own canonical type.
7347         (build_type_attribute_qual_variant): When building an attribute
7348         variant, its canonical type is the non-attribute variant. However,
7349         if the attributes are target-dependent and they differ, we need to
7350         use structural equality checks for this type.
7351         (build_qualified_type): A qualified type is not equivalent to its
7352         unqualified variant; set the canonical type appropriately.
7353         (build_distinct_type_copy): When building a distinct type from
7354         another type, the new type is its own canonical type.
7355         (build_variant_type_copy): When building a new type variant, we
7356         assume that it is equivalent to the original type.
7357         (build_pointer_type_for_mode): When building a pointer type, also
7358         build a canonical type pointer.
7359         (build_reference_type_for_mode): When building a reference type,
7360         also build a canonical type reference.
7361         (build_index_type): When we can't hash an index type (e.g.,
7362         because its maximum value is negative), the index type requires
7363         structural equality tests.
7364         (build_array_type): Build the canonical form of an array type.
7365         (build_function_type): Function types require structural equality,
7366         because they contain default arguments, attributes, etc.
7367         (build_method_type_directly): Ditto for method types.
7368         (build_offset_type): Build the canonical offset type.
7369         (build_complex_type): Build the canonical vector type.
7370         (make_vector_type): Build the canonical vector type.
7371         * tree.h (TYPE_CANONICAL): New.
7372         (TYPE_STRUCTURAL_EQUALITY_P): New.
7373         (SET_TYPE_STRUCTURAL_EQUALITY): New.
7374         (struct tree_type): Added "canonical" field.
7375         * params.h (VERIFY_CANONICAL_TYPES): New.
7376         * doc/c-tree.texi (TYPE_CANONICAL): Document.
7377         (TYPE_STRUCTURAL_EQUALITY_P): Document.
7378         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
7379         * doc/invoke.texi (verify-canonical-types): Document --param
7380         parameter for verifying canonical types.
7381
7382 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7383
7384         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
7385         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
7386         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
7387         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
7388         tm_file.
7389         * config/rs6000/e500.h: New.
7390         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
7391         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
7392         Remove.
7393         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
7394         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
7395         TARGET_E500_DOUBLE): Remove.
7396         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
7397         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
7398         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
7399         * config/rs6000/rs6000.c (rs6000_override_options): Use
7400         CHECK_E500_OPTIONS.
7401
7402 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7403
7404         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
7405         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
7406         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
7407         rs6000_emit_cmove): Don't check TARGET_E500.
7408         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
7409         sordered): Don't check TARGET_E500.
7410
7411 2007-01-01  Eric Christopher  <echristo@apple.com>
7412
7413         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
7414         HARD_REGISTER_NUM_P.
7415
7416 2007-01-01  Roger Sayle  <roger@eyesopen.com>
7417
7418         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
7419         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
7420         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
7421         eq/ne Y".
7422
7423 2007-01-01  Mike Stump  <mrs@apple.com>
7424
7425         * configure.ac: Remove support for building with Apple's gcc-3.1.
7426
7427 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7428
7429         PR middle-end/30311
7430         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
7431         REG is a hard register.  Do not modify REG before calling
7432         subreg_nregs.
7433         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
7434         multiple of the size of YMODE for certain lowpart cases.
7435
7436 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7437
7438         PR middle-end/30253
7439         * gimplify (voidify_wrapper_expr): Update for
7440         GIMPLE_MODIFY_STMT.
7441
7442 2007-01-01  Andreas Schwab  <schwab@suse.de>
7443
7444         PR target/29166
7445         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
7446         save of BR0 in extra_spill_size instead of spill_size.
7447         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
7448         area.
7449         (ia64_expand_epilogue): Restore BR0 from its new location.
7450
7451 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7452
7453         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
7454         Use a temporary variable if the left hand side is not a gimple
7455         register.
7456
7457 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7458
7459         * gimplify.c (gimplify_return_expr): Make the temporary variable
7460         for the return expression, a gimple register variable.
7461
7462 2007-01-01  Jan Hubicka  <jh@suse.cz>
7463
7464         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
7465         INSN_LIST.
7466
7467 2007-01-01  Mike Stump  <mrs@apple.com>
7468
7469         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
7470         .literal16.
7471         * config/darwin.c (machopic_select_rtx_section): Use
7472         HAVE_GAS_LITERAL16.
7473         (darwin_mergeable_constant_section): Likewise.
7474         * configure: Regenerate.
7475         * config.in: Regenerate.
7476
7477 2007-01-01  Jan Hubicka  <jh@suse.cz>
7478             Andrew Pinski  <pinskia@gmail.com>
7479
7480         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
7481         before starting IPA passes.