gcc/ChangeLog

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