gcc/ChangeLog

   1 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
   2
   3         * doc/extend.texi (Alignment): Say that the ABI controls
   4         the __alignof__ for non-strict-alignment targets rather
   5         than being a recommendation.
   6
   7 2008-03-15  Paul Brook  <paul@codesourcery.com>
   8
   9         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
  10         annotations.
  11         (arm_output_fn_unwind): Mark functions that can not be unwound.
  12
  13 2008-03-15  Paul Brook  <paul@codesourcery.com>
  14
  15         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
  16         extension instructions.
  17
  18 2008-03-15  Richard Guenther  <rguenther@suse.de>
  19
  20         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
  21         and fold constant aggregate refs.
  22         (fold_const_aggregate_ref): Handle string constants
  23         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
  24         (evaluate_stmt): Simplify now that ccp_fold folds constant
  25         aggregate refs.
  26
  27 2008-03-15  Paul Brook  <paul@codesourcery.com>
  28
  29         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
  30         (extzv): Use gen_extzv_t2.
  31         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
  32
  33 2008-03-15  Richard Guenther  <rguenther@suse.de>
  34
  35         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
  36         (fold_const_aggregate_ref): Likewise.
  37         (get_value): Return NULL if we don't have any values.
  38         (ccp_finalize): Set const_val to NULL after freeing it.
  39         * tree-flow.h (get_symbol_constant_value): Declare.
  40         (fold_const_aggregate_ref): Likewise.
  41         * tree-ssa-sccvn.c (try_to_simplify): Use them.
  42
  43 2008-03-15  Richard Guenther  <rguenther@suse.de>
  44
  45         PR middle-end/35593
  46         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
  47         to not produce negative array indices if not allowed.  Add
  48         parameter to indicate that.
  49         (maybe_fold_offset_to_component_ref): Allow negative array
  50         indices only for the first member of a structure.
  51         (maybe_fold_offset_to_reference): Allow negative array indices.
  52         (maybe_fold_stmt_addition): Likewise.
  53
  54 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
  55             Anatoly Sokolov <aesok@post.ru>
  56
  57         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
  58         (avr_arch): Add ARCH_AVR6.
  59         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
  60         (initial_elimination_offset): Initialize and use 'avr_pc_size'
  61         instead of fixed value 2.
  62         (print_operand_address): Use gs() asm specifier instead of pm().
  63         (avr_assemble_integer): (Ditto.).
  64         (avr_output_addr_vec_elt): (Ditto.).
  65         (print_operand): Handle "!" code.
  66         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
  67         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
  68         (AVR_HAVE_EIJMP_EICALL): Define.
  69         (AVR_3_BYTE_PC): Redefine.
  70         (AVR_2_BYTE_PC): (Ditto.).
  71         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
  72         (LINK_SPEC): Add atmega2560 and atmega2561.
  73         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
  74         (crtm2561.o).
  75         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
  76         for 3 byte PC devices.
  77         (call_value_insn): (Ditto.).
  78         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
  79         (indirect_jump): Use only for for 2 byte PC devices.
  80         (*tablejump): (Ditto.).
  81         (*indirect_jump_avr6): Add insn.
  82         (*tablejump_rjmp): Don't use for 3 byte PC devices.
  83         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
  84         instead of ijmp for 3 byte PC devices.
  85         (__tablejump2__): (Ditto.).
  86         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
  87         (MULITLIB_DIRNAMES): (Ditto.).
  88         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
  89
  90 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
  91
  92         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
  93         "sse2_umulsidi3".  Use V1DI mode for operand 0.
  94         ("mmx_psadbw"): Use V1DI mode for operand 0.
  95         * config/i386/i386-modes.def (V1SI): New vector mode.
  96         * config/i386/i386.c (struct builtin_description)
  97         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
  98         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
  99         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
 100         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
 101         v1di_ftype_v8qi_v8qi type.
 102         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
 103
 104         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
 105         __builtin_ia32_pmuludq]: Fix the mode of return value.
 106
 107 2008-03-15  Richard Guenther  <rguenther@suse.de>
 108
 109         PR middle-end/35595
 110         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
 111         being a PHI_NODE.
 112
 113 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
 114
 115         * doc/invoke.texi (Option Summary, Xtensa Options): Document
 116         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
 117         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
 118         unless TARGET_SERIALIZE_VOLATILE is enabled.
 119         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
 120         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
 121         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
 122
 123 2008-03-14  Richard Guenther  <rguenther@suse.de>
 124
 125         PR tree-optimization/34172
 126         * tree-flow.h (refs_may_alias_p): Declare.
 127         (get_single_def_stmt): Likewise.
 128         (get_single_def_stmt_from_phi): Likewise.
 129         (get_single_def_stmt_with_phi): Likewise.
 130         * tree-dfa.c (refs_may_alias_p): New function.
 131         (get_single_def_stmt): Likewise.
 132         (get_single_def_stmt_from_phi): Likewise.
 133         (get_single_def_stmt_with_phi): Likewise.
 134         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
 135         (vn_reference_lookup_1): New helper function.
 136         (vn_reference_lookup): Walk the virtual use-def chain to
 137         continue searching for a match if the def does not alias the
 138         reference we are looking for.
 139
 140 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
 141
 142         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
 143         archive and Perzl.  Update The Written Word listing.
 144
 145 2008-03-14  Richard Guenther  <rguenther@suse.de>
 146
 147         PR tree-optimization/34043
 148         PR tree-optimization/33989
 149         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
 150         when doing FRE.
 151         (bitmap_find_leader): Use extra argument to verify dominance
 152         relationship inside a basic-block.
 153         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
 154         (find_leader_in_sets): Adjust.
 155         (create_component_ref_by_pieces): Take extra argument for
 156         dominance check, handle lookup failures.
 157         (find_or_generate_expression): Likewise.
 158         (create_expression_by_pieces): Likewise.
 159         (insert_into_preds_of_block): Adjust.
 160         (create_value_expr_from): If asked for, verify all operands
 161         are in the blocks AVAIL_OUT set.
 162         (make_values_for_stmt): Check for SSA_NAMEs that are life
 163         over an abnormal edge.
 164         (compute_avail): Remove such check.
 165         (do_SCCVN_insertion): New function.
 166         (eliminate): If we do not find a leader suitable for replacement
 167         insert a replacement expression from SCCVN if available.
 168         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
 169         (struct vn_ssa_aux): Add needs_insertion flag.
 170         * tree-ssa-sccvn.c (may_insert): New global flag.
 171         (copy_reference_ops_from_ref): Value-number union member access
 172         based on its size, not type and member if insertion is allowed.
 173         (visit_reference_op_load): For a weak match from union type
 174         punning lookup a view-converted value and insert a SSA_NAME
 175         for that value if that is not found.
 176         (visit_use): Make dumps shorter.  Do not disallow value numbering
 177         SSA_NAMEs that are life over an abnormal edge to constants.
 178         (free_scc_vn): Release inserted SSA_NAMEs.
 179         (run_scc_vn): New flag to specify whether insertion is allowed.
 180         Process SSA_NAMEs in forward order.
 181         * tree-ssa-loop-im.c (for_each_index): Handle invariant
 182         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
 183         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
 184         pointer type to/from integral types that do not change the
 185         precision to regular conversions.
 186
 187 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 188
 189         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 190         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 191         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
 192         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
 193         input arguments and the mode of return value.  Built-in functions
 194         that operate on whole 64-bit MMX register now use V1DI mode.
 195
 196 2008-03-13  Alon Dayan  <alond@il.ibm.com>
 197             Olga Golovanevsky  <olga@il.ibm.com>
 198
 199         PR tree-optimization/35041
 200         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
 201         to locate the right position in a statement.
 202
 203 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 204
 205         PR target/34000
 206         PR target/35553
 207         * config/i386/xmmintrin.h:  Change all static inline functions to
 208         extern inline and add __gnu_inline__ attribute.
 209         * config/i386/bmintrin.h: Ditto.
 210         * config/i386/smmintrin.h: Ditto.
 211         * config/i386/tmmintrin.h: Ditto.
 212         * config/i386/mmintrin-common.h: Ditto.
 213         * config/i386/ammintrin.h: Ditto.
 214         * config/i386/emmintrin.h: Ditto.
 215         * config/i386/pmmintrin.h: Ditto.
 216         * config/i386/mmintrin.h: Ditto.
 217         * config/i386/mm3dnow.h: Ditto.
 218
 219 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
 220
 221         PR middle-end/35185
 222         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
 223         (lower_omp_2): New function.
 224         (lower_omp_1, lower_omp): Rewritten.
 225
 226 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
 227
 228         PR 35054
 229         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
 230         with the phrase "Microsoft Windows compilers".
 231         (Push/Pop Macro Pragmas): New subsection. Document
 232         #pragma push_macro and pragma pop_macro.
 233
 234 2008-03-12  Paul Brook  <paul@codesourcery.com>
 235
 236         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
 237
 238 2008-03-12  Paul Brook  <paul@codesourcery.com>
 239
 240         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
 241         (thumb2_alusi3_short): Exclude PLUS and MINUS.
 242         (thumb2_addsi_shortim): Rename ...
 243         (thumb2_addsi_short): ... to this.  Allow register operands.
 244         (thumb2_subsi_short): New pattern.
 245         (thumb2_one_cmplsi2_short,
 246         thumb2_negsi2_short): New patterns and peepholes.
 247
 248 2008-03-12  Paul Brook  <paul@codesourcery.com>
 249
 250         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
 251
 252 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
 253
 254         * config/i386/i386.md (int_cond): New code iterator.
 255         (fp_cond): Ditto.
 256         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
 257         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
 258         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
 259         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
 260         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
 261         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
 262         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
 263         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
 264
 265 2008-03-12  Paul Brook  <paul@codesourcery.com>
 266
 267         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
 268         instead of {arm,thumb}_compute_save_reg_mask.
 269         (output_return_instruction): Ditto.
 270         (thumb_unexpanded_epilogue): Ditto.
 271         (thumb1_expand_prologue): Ditto.
 272         (thumb1_output_function_prologue): Ditto.
 273         (arm_set_return_address): Ditto.
 274         (thumb_set_return_address): Ditto.
 275         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
 276         regs to achieve stack alignment.
 277         (thumb1_compute_save_reg_mask): Fix compiler warning.
 278         (arm_output_epilogue): Use offsets->saved_regs_mask.
 279         Adjust stack pointer by poping call clobered registers.
 280         (arm_expand_prologue): Use offsets->saved_regs_mask.
 281         Adjust stack pointer by pushing extra registers.
 282         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
 283
 284 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
 285
 286         PR tree-opt/35422
 287         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
 288         conversion to the operands of a multiplication.
 289
 290 2008-03-12  Richard Guenther  <rguenther@suse.de>
 291
 292         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
 293         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
 294         * timevar.def (TV_TREE_PHIPROP): Add.
 295         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
 296         pass description.  Use TV_TREE_PHIPROP.
 297         * tree-ssa-forwprop.c: Remove phiprop code.
 298
 299 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 300
 301         PR middle-end/35549
 302         * omp-low.c (maybe_lookup_decl): Constify first argument.
 303         (use_pointer_for_field): Change last argument from bool to
 304         omp_context *.  Disallow shared copy-in/out in nested
 305         parallel if decl is shared in outer parallel too.
 306         (build_outer_var_ref, scan_sharing_clauses,
 307         lower_rec_input_clauses, lower_copyprivate_clauses,
 308         lower_send_clauses, lower_send_shared_vars): Adjust callers.
 309
 310 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
 311             Ira Rosen  <irar@il.ibm.com>
 312
 313         * tree-vectorizer.c (free_stmt_vec_info): New function.
 314         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
 315         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
 316         * tree-vectorizer.h (free_stmt_vec_info): Declare.
 317         * tree-vect-transform.c (vectorizable_conversion): Free
 318         vec_oprnds0 if it was allocated.
 319         (vect_permute_store_chain): Remove unused VECs.
 320         (vectorizable_store): Free VECs that are allocated in the..
 321         function.
 322         (vect_transform_strided_load, vectorizable_load): Likewise.
 323         (vect_remove_stores): Simplify the code.
 324         (vect_transform_loop): Move code to vect_remove_stores().
 325         Call vect_remove_stores() and free_stmt_vec_info().
 326
 327 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 328
 329         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
 330         TARGET_HPUX.  Revise comment.
 331         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
 332         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
 333         Use sr4 variant of `be' instruction when not generating PIC code.
 334         (attr_length_call): Adjust for above change.
 335
 336 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 337
 338         * ipa-reference.c (static_execute): Remove module_statics_const and
 339         associated setting code.
 340
 341 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
 342
 343         PR target/35540
 344         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
 345         constraint for operand 1.
 346         (paritysi2_cmp): Use register_operand constraint for operand 2.
 347         Use earlyclobber modifier for operand 1.  Remove support for
 348         memory operands.
 349         (paritydi2_cmp): Use register_operand constraint for operand 3.
 350         Use earlyclobber modifier for operand 1.  Remove support for
 351         memory operands.
 352
 353 2008-03-11  Paul Brook  <paul@codesourcery.com>
 354             Vladimir Prus  <vladimir@codesourcery.com>
 355
 356         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
 357         (arm_compute_save_reg0_reg12_mask): Always
 358         check if register 11 must be saved.  Always safe hard frame pointer
 359         when frame_pointer_needeed.
 360         (arm_compute_save_reg_mask): Save IP and PC
 361         only with apcs frames.
 362         (arm_output_epilogue): Adjust Thumb2 codepath to
 363         be also invoked and work for ARM non-apcs frames.
 364         (arm_expand_prologue): Don't bother saving IP
 365         for non-apcs frame, since it's not clobbered by
 366         prologue code.  Implement non-apcs frame
 367         layout.
 368
 369 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
 370
 371         PR rtl-optimization/35281
 372         * expr.c (convert_move): Use a new pseudo for the intermediate
 373         from_mode->word_mode result.
 374
 375 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
 376
 377         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
 378         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
 379         * toplev.c (compile_file): Don't call it.
 380
 381 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
 382
 383         PR middle-end/35526
 384         * expr.c (store_expr): Call emit_block_move if the mode
 385         of "temp" RTX is BLKmode.
 386
 387 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 388             Richard Guenther  <rguenther@suse.de>
 389
 390         PR tree-optimization/31358
 391         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
 392         the step with a NULL_TREE.
 393         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
 394         to sizetype if type is a pointer type.
 395         (add_candidate_1): Don't convert the base and step to
 396         the generic type if the orginal type is a pointer type.
 397         (add_iv_value_candidates): Use sizetype for the step
 398         if type is a pointer type.
 399         (cand_value_at): Likewise.
 400         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
 401         for pointer types.
 402         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
 403         Don't convert the tem affine to the type.
 404         (add_elt_to_tree): Use sizetype for the step if a pointer.
 405         Use POINTER_PLUS_EXPR for pointers.
 406         (aff_combination_to_tree): Use sizetype for the step if a
 407         pointer.
 408
 409 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
 410
 411         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
 412         Remove commutativity hint.
 413
 414 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
 415
 416         PR c/35438
 417         PR c/35439
 418         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
 419         errorneous type.  Check that v is a VAR_DECL.
 420
 421         PR middle-end/35099
 422         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
 423
 424 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
 425
 426         PR tree-optimization/35494
 427         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
 428         may be overriden at link and run time.
 429
 430 2008-03-10  Richard Guenther  <rguenther@suse.de>
 431
 432         PR tree-optimization/34677
 433         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
 434         (poolify_tree): Likewise.
 435         (modify_expr_template): Likewise.
 436         (poolify_modify_stmt): Likewise.
 437         (insert_fake_stores): Handle all component-ref style stores
 438         in addition to INDIRECT_REF.  Also handle complex types.
 439         Do not poolify the inserted load.
 440         (realify_fake_stores): Do not rebuild the tree but only
 441         make it a SSA_NAME copy.
 442         (init_pre): Remove initialzation of modify_expr_template.
 443         Do not allocate modify_expr_node_pool.
 444         (fini_pre): Do not free modify_expr_node_pool.
 445
 446 2008-03-10  Paul Brook  <paul@codesourcery.com>
 447
 448         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
 449         to avoid conflicts.
 450
 451 2008-03-10  Paul Brook  <paul@codesourcery.com>
 452             Mark Shinwell  <shinwell@codesourcery.com>
 453
 454         * config/arm/cortex-r4.md: New.
 455         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
 456         insn attributes.
 457         * config/arm/arm.md: Include cortex-r4.md.
 458         (insn): Add smmls, sdiv and udiv values.
 459         (generic_sched): Don't use generic scheduling for Cortex-R4.
 460         (arm_issue_rate): New function.
 461         (TARGET_SCHED_ISSUE_RATE): Define.
 462
 463 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
 464
 465         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
 466
 467 2008-03-10  Richard Guenther  <rguenther@suse.de>
 468
 469         * tree-ssa-pre.c (get_sccvn_value): Simplify.
 470         (compute_avail): Do not add stmt uses to AVAIL_OUT.
 471
 472 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
 473
 474         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
 475         Set default to true.
 476
 477 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 478
 479         * c.opt (Wsynth): Deprecate.
 480         * doc/invoke.texi (Option Summary, Warning Options): Document
 481         -Wno-format-contains-nul.
 482
 483 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
 484
 485         PR target/35496
 486         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
 487         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
 488
 489 2008-03-09  Ira Rosen  <irar@il.ibm.com>
 490
 491         * config/rs6000/rs6000.c (builtin_description): Rename vector
 492         left shift operations.
 493         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
 494         (altivec_vsl<VI_char>): Rename to ...
 495         (ashl<mode>3): ... new name.
 496         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
 497         gen_ashlv4si3.
 498         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
 499
 500 2008-03-08  Richard Guenther  <rguenther@suse.de>
 501
 502         * coverage.h (tree_coverage_counter_addr): Declare.
 503         * coverage.c (tree_coverage_counter_addr): New function.
 504         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
 505         before using again.
 506         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
 507         (tree_gen_one_value_profiler): Likewise.
 508         (tree_gen_ic_profiler): Likewise.
 509         (tree_gen_average_profiler): Likewise.
 510         (tree_gen_ior_profiler): Likewise.
 511
 512 2008-03-08  Richard Guenther  <rguenther@suse.de>
 513
 514         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
 515         (vn_binary_op_insert): Likewise.
 516         (vn_unary_op_lookup): Likewise.
 517         (vn_unary_op_insert): Likewise.
 518         (vn_nary_op_lookup): Declare.
 519         (vn_nary_op_insert): Likewise.
 520         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
 521         and binary hashes, use a single obstack for unary_op_pool
 522         and binary_op_pool.
 523         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
 524         a single struct vn_nary_op_s.  Store tree code length and
 525         a variable number of operands.
 526         (struct vn_reference_op_struct): Remove unused op2.
 527         (vn_reference_op_eq): Do not compare op2.
 528         (vn_reference_op_compute_hash): Do not compute hash of op2.
 529         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
 530         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
 531         with vn_nary_op_compute_hash.
 532         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
 533         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
 534         vn_nary_op_lookup.
 535         (vn_unary_op_insert, vn_binary_op_insert): Replace with
 536         vn_nary_op_insert.
 537         (visit_unary_op): Call nary functions.
 538         (visit_binary_op): Likewise.
 539         (process_scc): Adjust for struct vn_tables_s changes.
 540         (allocate_vn_table): Likewise.
 541         (free_vn_table): Likewise.
 542         * tree-vn.c (vn_add): Call nary functions.
 543         (vn_lookup): Likewise.
 544
 545 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
 546
 547         PR target/35498
 548         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
 549         wdst back after sync_compare_and_swapqhi_internal.
 550
 551 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
 552
 553         PR target/22152
 554         * config/i386/i386-modes.def (V1DI): New vector mode.
 555         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
 556         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
 557         (MMXMODE248): Ditto.
 558         (MMXMODE): Add V1DI mode.
 559         (mmxvecsize): Change DI mode to V1DI mode.
 560         ("mov<mode>): Use MMXMODEI8 mode iterator.
 561         ("*mov<mode>_internal_rex64"): Ditto.
 562         ("*mov<mode>_internal"): Ditto.
 563         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
 564         ("mmx_sub<mode>3"): Ditto.
 565         ("mmx_adddi3"): Remove insn pattern.
 566         ("mmx_subdi3"): Ditto.
 567         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
 568         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
 569         ("mmx_ashl<mode>3"): Ditto.
 570         ("mmx_lshrdi3"): Remove insn pattern.
 571         ("mmx_ashldi3"): Ditto.
 572         * config/i386/i386.c (classify_argument): Handle V1DImode.
 573         (function_arg_advance_32): Ditto.
 574         (function_arg_32): Ditto.
 575         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
 576         mmx_addv1di3 insn pattern.
 577         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
 578         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
 579         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
 580         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
 581         Remove definitions of built-in functions.
 582         (V1DI_type_node): New node.
 583         (v1di_ftype_v1di_int): Ditto.
 584         (v1di_ftype_v1di_v1di): Ditto.
 585         (v2si_ftype_v2si_si): Ditto.
 586         (v4hi_ftype_v4hi_di): Remove node.
 587         (v2si_ftype_v2si_di): Ditto.
 588         (ix86_init_mmx_sse_builtins): Handle V1DImode.
 589         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
 590         Redefine builtins using def_builtin_const with *_ftype_*_int node.
 591         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
 592         Add new builtins using def_builtin_const.
 593         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
 594         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
 595         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
 596         * config/i386/mmintrin.h (__v1di): New typedef.
 597         (_mm_add_si64): Cast arguments to __v1di type.
 598         (_mm_sub_si64): Ditto.
 599         (_mm_sll_pi16): Cast __count to __v4hi type.
 600         (_mm_sll_pi32): Cast __count to __v2si type.
 601         (_mm_sll_si64): Cast arguments to __v1di type.
 602         (_mm_srl_pi16): Cast __count to __v4hi type.
 603         (_mm_srl_pi32): Cast __count to __v2si type.
 604         (_mm_srl_si64): Cast arguments to __v1di type.
 605         (_mm_sra_pi16): Cast __count to __v4hi type.
 606         (_mm_sra_pi32): Cast __count to __v2si type.
 607         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
 608         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
 609         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
 610         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
 611         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
 612         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
 613         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
 614         (_mm_srai_pi32): Use __builtin_ia32_psradi.
 615         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
 616         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 617         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 618         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
 619
 620 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
 621
 622         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
 623
 624 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
 625
 626         PR target/35373
 627         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
 628         reg+const addressing for Altivec modes.  Don't generate reg+reg
 629         addressing for TFmode or TDmode quantities.
 630
 631 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
 632
 633         * c-common.c (vector_types_convertible_p): Call langhook
 634         instead of comptypes.
 635
 636 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 637
 638         PR tree-opt/35402
 639         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
 640         integral and scalar float variables which have a
 641         NULL DECL_INITIAL.
 642
 643 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
 644
 645         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
 646         dwarf_register_span hook when emitting unwind information for
 647         register-to-memory saves.
 648         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
 649         (rs6000_frame_related): Remove call to spe_synthesize_frame.
 650
 651 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
 652
 653         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
 654         for the same VAR_DECL.
 655
 656 2008-03-06  Tom Tromey  <tromey@redhat.com>
 657
 658         * treelang: Delete.
 659         * doc/standards.texi (Standards): Don't mention treelang.
 660         * doc/invoke.texi (Overall Options): Don't mention treelang.
 661         * doc/install.texi (Prerequisites): Don't mention bison or
 662         treelang.
 663         (Configuration): Don't mention treelang.
 664         (Building): Likewise.
 665         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
 666
 667 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
 668
 669         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
 670         word-extractions out of a multi-word object.
 671
 672 2008-03-06  Richard Guenther  <rguenther@suse.de>
 673
 674         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
 675         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
 676         result type and precision.
 677         * expr.c (get_inner_reference): Set unsignedp based on the result
 678         type of BIT_FIELD_REF.
 679         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
 680         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
 681         (try_instantiate_multiple_fields): Likewise.  Use the correct type
 682         for BIT_FIELD_REF.
 683         (sra_build_assignment): Likewise.
 684         (sra_build_elt_assignment): Likewise.
 685         (sra_explode_bitfield_assignment): Likewise.
 686         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
 687         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
 688         set BIT_FIELD_REF_UNSIGNED.
 689         (vectorizable_load): Likewise.
 690
 691 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
 692
 693         * cse.c (cse_extended_basic_block): Invalidate artificial defs
 694         at bb start.
 695
 696 2008-03-06  Richard Guenther  <rguenther@suse.de>
 697
 698         * alias.c (struct alias_set_entry): Move has_zero_child field
 699         to pack with alias_set.
 700
 701 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 702
 703         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 704         32bit host.
 705
 706 2008-03-05  Ian Lance Taylor  <iant@google.com>
 707
 708         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
 709
 710 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
 711
 712         * fwprop.c (update_df): Support width and offset parameters of
 713         df_ref_create.
 714         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
 715         global_conflicts): Change DF_REF_EXTRACT to either
 716         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 717         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 718         * df-scan.c (df_ref_record, df_defs_record,
 719         df_ref_create_structure, df_def_record_1, df_uses_record,
 720         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
 721         df_bb_refs_collect, df_entry_block_defs_collect,
 722         df_exit_block_uses_collect): Support new width and offset fields.
 723         (ref_extract_pool): New storage pool.
 724         (df_free_ref): New function.
 725         (df_reg_chain_unlink, df_free_collection_rec,
 726         df_sort_and_compress_refs): Call df_free_ref.
 727         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
 728         of df_ref_extract.
 729         (df_ref_create_structure): Allocate df_ref_extract if offset and
 730         width fields are used.
 731         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
 732         (df_uses_record): Get offset and width from ZERO_EXTRACT
 733         and SIGN_EXTRACT.
 734         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
 735         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 736         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 737         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
 738         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
 739         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
 740         (df_ref_extract): New structure.
 741         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
 742         (df_ref_create): Add width and offset parameters.
 743
 744 2008-03-05  Richard Guenther  <rguenther@suse.de>
 745
 746         * tree-ssa-structalias.c (get_constraint_for_component_ref):
 747         Use ranges_overlap_p.
 748         (offset_overlaps_with_access): Rename
 749         to ranges_overlap_p and move ...
 750         * tree-flow-inline.h (ranges_overlap_p): ... here.
 751
 752         * tree.h (get_inner_reference, handled_component_p): Update
 753         comments.
 754
 755         * tree.h (record_component_aliases, get_alias_set,
 756         alias_sets_conflict_p, alias_sets_must_conflict_p,
 757         objects_must_conflict_p): Move declarations ...
 758         * alias.h (record_component_aliases, get_alias_set,
 759         alias_sets_conflict_p, alias_sets_must_conflict_p,
 760         objects_must_conflict_p): ... here.
 761         Include coretypes.h.
 762         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
 763
 764 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
 765
 766         * cfg.c: Include tree-flow.h.
 767         (remove_edge_raw): Call redirect_edge_var_map_clear.
 768         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
 769         * tree-flow-inline.h (redirect_edge_var_map_def): New.
 770         (redirect_edge_var_map_result): New.
 771         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
 772         PENDING_STMT use with redirect_edge_var_map_*.
 773         * tree-ssa.c (edge_var_maps): New definition.
 774         (redirect_edge_var_map_add): New.
 775         (redirect_edge_var_map_clear): New.
 776         (redirect_edge_var_map_dup): New.
 777         (redirect_edge_var_map_vector): New.
 778         (redirect_edge_var_map_destroy): New.
 779         (ssa_redirect_edge): Replace PENDING_STMT use with
 780         redirect_edge_var_map_*.
 781         (flush_pending_stmts): Same.
 782         (delete_tree_ssa): Destroy edge var map.
 783         * tree-flow.h (struct _edge_var_map): New.
 784         Define edge_var_map vector type.
 785         Declare redirect_edge_var_map_* prototypes.
 786         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
 787         * tree-cfg.c (reinstall_phi_args): Replace
 788         PENDING_STMT use with redirect_edge_var_map_*.
 789
 790 2008-03-05  Richard Guenther  <rguenther@suse.de>
 791
 792         PR tree-optimization/35472
 793         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
 794         whose single use_stmt has a overlapping set of loaded and
 795         stored symbols as that use_stmt might be a noop assignment then.
 796
 797 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
 798
 799         * gthr-rtems.h: Implement __gthread_mutex_destroy.
 800
 801 2008-03-05  Richard Guenther  <rguenther@suse.de>
 802
 803         PR c++/35336
 804         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
 805         should be constants.
 806         * tree-cfg.c (verify_expr): Verify it.
 807         * fold-const.c (fold_truthop): Remove code generating
 808         BIT_FIELD_REFs of structure bases.
 809         (fold_binary): Likewise.
 810         (fold_ternary): Position and size of BIT_FIELD_REFs are
 811         always host integers.
 812         (make_bit_field_ref): Remove.
 813         (optimize_bit_field_compare): Remove.
 814         (all_ones_mask_p): Remove.
 815
 816 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
 817
 818         PR gcc/33009
 819         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
 820         (split_block_and_df_analyze): New. Split basic block and rebuild
 821         dataflow.
 822         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
 823         SPLIT_BLOCK.
 824         (split_pattern_seq): Likewise.
 825         (erase_matching_seqs): Likewise.
 826         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
 827
 828 2008-03-04  Geoff Keating  <geoffk@apple.com>
 829
 830         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
 831         declaration and code.
 832         (tree_invalid_nonnegative_warnv_p): Likewise.
 833
 834 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
 835
 836         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
 837         examples.  Truncate option-names then causing overfull hbox.
 838
 839 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 840
 841         PR target/35222
 842         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
 843         on hpux10.
 844         * configure: Rebuilt.
 845
 846 2008-03-04  Rafael Espindola  <espindola@google.com>
 847
 848         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
 849         (tree_unary_nonnegative_warnv_p): New.
 850         (tree_binary_nonnegative_warnv_p): New.
 851         (tree_single_nonnegative_warnv_p): New.
 852         (tree_invalid_nonnegative_warnv_p): New.
 853         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
 854
 855 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 856
 857         PR 28322
 858         * opts.c (handle_option): Postpone 'unknown option' errors only for
 859         warning options.
 860
 861 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
 862
 863         PR target/35453
 864         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
 865         (_SIDD_XXX): This.
 866
 867 2008-03-04  Rafael Espindola  <espindola@google.com>
 868
 869         * fold-const.c (tree_unary_nonzero_warnv_p): New.
 870         (tree_binary_nonzero_warnv_p): New.
 871         (tree_single_nonzero_warnv_p): New.
 872         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
 873
 874 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
 875
 876         PR middle-end/35456
 877         * fold-const.c (fold_cond_expr_with_comparison): Prevent
 878         transformations for modes that have signed zeros.
 879         * ifcvt.c (noce_try_abs): Ditto.
 880
 881 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
 882
 883         * config/i386/i386.c (override_options): Force
 884         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
 885
 886 2008-03-04  Jan Hubicka  <jh@suse.cz>
 887
 888         PR c++/35262
 889         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
 890         in last commit.
 891
 892 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 893
 894         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
 895         label to probe the stack.
 896
 897 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
 898
 899         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
 900         (__gthr_win32_mutex_destroy): Declare.
 901         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
 902         __gthr_win32_mutex_destroy.
 903         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
 904
 905 2008-03-03  Jan Hubicka  <jh@suse.cz>
 906
 907         PR c++/35262
 908         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
 909         aggressive on inlining cold calls.
 910
 911 2008-03-03  Richard Guenther  <rguenther@suse.de>
 912
 913         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
 914         struct copies into the expression table.
 915         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
 916         (try_to_simplify): Likewise.
 917         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
 918         integral and pointer arguments which do not change the
 919         precision to NOP_EXPRs.
 920         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
 921         VIEW_CONVERT_EXPR case.
 922
 923 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
 924
 925         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
 926         defined in a loop at depth 0 is invariant.
 927         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
 928         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
 929         be called at loop depth 0.
 930
 931 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
 932
 933         PR driver/35420
 934         * gcc.c (process_command): Update copyright notice dates.
 935         * gcov.c (print_version): Likewise.
 936         * gcov-dump.c (print_version): Likewise.
 937         * mips-tfile.c (main): Likewise.
 938         * mips-tdump.c (main): Likewise.
 939
 940 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 941
 942         PR 24924
 943         * c-common.c (flag_permissive): Delete.
 944         (constant_expression_warnings): Check flags first.
 945         (constant_expression_error): New.
 946         * c-common.h (flag_permissive): Delete.
 947         (constant_expression_error): Declare.
 948         * flags.h (flag_permissive): Declare. Update description.
 949         * diagnostic.c (pedwarn): Update.
 950         (permerror): New.
 951         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
 952         (permissive_error_kind): New.
 953         * toplev.c (flag_permissive): Define. Update description.
 954         * toplev.h (permissive_error_kind): Declare.
 955         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
 956         (pedwarn_c90): Use pedantic_warning_kind.
 957         * c-opts.c (c_common_post_options): flag_permissive does not affect
 958         flag_pedantic_errors.
 959
 960 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
 961
 962         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
 963         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
 964         __absvsi2, __absvDI2): Use unsigned arithmetic.
 965
 966 2008-03-02  Andi Kleen  <ak@suse.de>
 967             Richard Guenther  <rguenther@suse.de>
 968
 969         * struct-equiv.c: Remove file.
 970         * cfg_cleanup.c (condjump_equiv_p): Remove.
 971         * Makefile.in (OBJS-common): Remove struct-equiv.o.
 972         (struct-equiv.o): Remove rule.
 973         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
 974         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
 975         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
 976
 977 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
 978
 979         * ifcvt.c (noce_process_if_block): Try to handle only the then
 980         block if the else block exists but isn't suitable.
 981
 982 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 983
 984         PR gcc/35063
 985         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
 986         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
 987         regression from previous patch.
 988
 989 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
 990
 991         PR gcc/35063
 992         * gthr.h: Add __gthread_mutex_destroy as a function that must be
 993         implemented.
 994         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
 995         * gthr-single.h (__gthread_mutex_destroy): Likewise.
 996         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
 997         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
 998         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
 999         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1000         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1001         (__gthread_mutex_destroy_function): Rename to
1002         __gthread_mutex_destroy.
1003         * gthr-dce.h (__gthread_mutex_destroy): Call
1004         pthread_mutex_destroy.
1005         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1006         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1007         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1008
1009 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1010
1011         * df-scan.c (df_ref_chain_change_bb): Simplify.
1012         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1013         set_block_for_insn if there's any change.
1014         * df.h ((df_insn_change_bb): Fix prototype.
1015         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1016         df_insn_change_bb, don't call set_block_for_insn.
1017         * emit-rtl.c (reorder_insns): Likewise.
1018         * haifa-sched.c (move_insn): Likewise.
1019
1020 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1021
1022         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1023
1024 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1025
1026         * tree-flow-inline.h (next_readonly_imm_use): Return
1027         NULL_USE_OPERAND_P after the end.
1028
1029 2008-03-01  Richard Guenther  <rguenther@suse.de>
1030
1031         PR tree-optimization/35411
1032         * tree-sra.c (sra_build_assignment): Split conversion to
1033         final type to a separate statement if we are not assigning
1034         to a register.
1035
1036 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1037
1038         * fold-const.c (fold_convertible_p): Correct the logic to follow
1039         that in fold_convert().
1040
1041 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1042
1043         PR c++/35315
1044         * tree-inline.c (build_duplicate_type): When we make a
1045         duplicate type, make it unique in the canonical types system.
1046
1047 2008-02-29  Tom Tromey  <tromey@redhat.com>
1048
1049         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1050         input_file_stack_history, input_file_stack_restored): Remove.
1051         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1052         * input.h (struct file_stack): Remove.
1053         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1054         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1055         Likewise.
1056         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1057         type.
1058         (diagnostic_last_module_changed): Add 'map' argument.
1059         (diagnostic_set_last_function): Likewise.
1060         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1061         line map, not input_file_stack.
1062         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1063
1064 2008-02-29  Paul Brook  <paul@codesourcery.com>
1065
1066         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1067
1068 2008-02-29  Paul Brook  <paul@codesourcery.com>
1069
1070         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1071
1072 2008-02-29  Richard Guenther  <rguenther@suse.de>
1073
1074         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1075         vn_lookup_or_add.
1076         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1077         value for comparing for a store match.
1078         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1079         (try_to_simplify): Do not do a full-blown reference lookup.
1080
1081 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1082
1083         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1084         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1085
1086         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1087
1088 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1089
1090         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1091         strides against cache sizes.
1092
1093 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1094
1095         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1096         constant to fpul.
1097
1098 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1099
1100         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1101         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1102         is smaller than the original promoted value.
1103         (simplify_subreg): If OP is a SUBREG, try to preserve its
1104         SUBREG_PROMOTED_VAR_P information.
1105
1106 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1107
1108         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1109         (VN_INFO_GET): Allocate new objects on the obstack.
1110         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1111         for rpo_numbers_temp, for consistency.
1112         (free_scc_vn): Free the obstack.
1113
1114 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1115
1116         * doc/invoke.texi: Document -ftree-loop-distribution.
1117         * tree-loop-distribution.c: New.
1118         * tree-pass.h (pass_loop_distribution): New.
1119         * graphds.h (struct graph): Add htab_t indices.
1120         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1121         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1122         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1123         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1124         * tree-data-ref.c (debug_data_dependence_relations): New.
1125         (dump_data_dependence_relation): Also print data references.
1126         (free_data_ref): Extern.
1127         (same_access_functions): Moved...
1128         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1129         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1130         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1131         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1132         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1133         (stmts_from_loop): Skip LABEL_EXPR.
1134         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1135         New.
1136         (build_rdg): Initialize rdg->indices htab.
1137         (free_rdg, stores_from_loop, ref_base_address,
1138         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1139         have_similar_memory_accesses_1, ref_base_address_1,
1140         remove_similar_memory_refs): New.
1141         * tree-data-ref.h: Depend on tree-chrec.h.
1142         (debug_data_dependence_relations, free_data_ref): Declared.
1143         (same_access_functions): ... here.
1144         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1145         New.
1146         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1147         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1148         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1149         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1150         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1151         rdg_vertex_for_stmt): Declared.
1152         (struct rdg_edge): Add level.
1153         (RDGE_LEVEL): New.
1154         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1155         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1156         Declared.
1157         (rdg_has_similar_memory_accesses): New.
1158         * tree-vect-analyze.c: Remove unused static decls.
1159         * lambda.h (dependence_level): New.
1160         * common.opt (ftree-loop-distribution): New.
1161         * tree-flow.h (mark_virtual_ops_in_bb,
1162         slpeel_tree_duplicate_loop_to_edge_cfg,
1163         rename_variables_in_loop): Declared.
1164         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1165         (OBJS-common): Add tree-loop-distribution.o.
1166         (tree-loop-distribution.o): New rule.
1167         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1168         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1169         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1170
1171 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1172
1173         PR target/33963
1174         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1175         other than structures and unions.
1176
1177 2008-02-28  Richard Guenther  <rguenther@suse.de>
1178
1179         Revert:
1180         2008-02-26  Richard Guenther  <rguenther@suse.de>
1181
1182         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1183         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1184         (lookup_decl_from_uid): Declare.
1185         (remove_decl_from_map): Likewise.
1186         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1187         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1188         (decl_for_uid_map): New global hashtable mapping DECL_UID
1189         to the decl tree.
1190         (init_ttree): Allocate it.
1191         (insert_decl_to_uid_decl_map): New helper function.
1192         (make_node_stat): Insert new decls into the map.
1193         (copy_node_stat): Likewise.
1194         (lookup_decl_from_uid): New function.
1195         (remove_decl_from_map): Likewise.
1196         (print_decl_for_uid_map_statistics): New helper.
1197         (dump_tree_statistics): Call it.
1198
1199         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1200         (referenced_var_iterator): Adjust.
1201         (FOR_EACH_REFERENCED_VAR): Adjust.
1202         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1203         (num_referenced_vars): Adjust.
1204         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1205         (first_referenced_var): Remove.
1206         (end_referenced_vars_p): Likewise.
1207         (next_referenced_var): Likewise.
1208         (referenced_var_iterator_set): New helper function.
1209         * tree-dfa.c (referenced_var_lookup): Adjust.
1210         (referenced_var_check_and_insert): Likewise.
1211         (remove_referenced_var): Likewise.
1212         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1213         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1214         (verify_call_clobbering): Likewise.
1215         (verify_memory_partitions): Likewise.
1216         (init_tree_ssa): Allocate bitmap instead of hashtable for
1217         referenced_vars.
1218         (delete_tree_ssa): Adjust.
1219         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1220         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1221         (compute_tag_properties): Likewise.
1222         (set_initial_properties): Likewise.
1223         (find_partition_for): Likewise.
1224         (update_reference_counts): Likewise.
1225         (dump_may_aliases_for): Likewise.
1226         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1227         (add_call_clobber_ops): Likewise.
1228         (add_call_read_ops): Likewise.
1229         (get_asm_expr_operands): Likewise.
1230         * tree-into-ssa.c (dump_decl_set): Likewise.
1231         (update_ssa): Likewise.
1232         * tree-sra.c (scan_function): Likewise.
1233         (decide_instantiations): Likewise.
1234         (scalarize_parms): Likewise.
1235         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1236         (dsa_named_for): Likewise.
1237         * tree-ssa-structalias.c (update_alias_info): Likewise.
1238         (merge_smts_into): Likewise.
1239
1240 2008-02-27  David Daney  <ddaney@avtrex.com>
1241
1242         PR target/34409
1243         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1244         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1245         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1246         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1247         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1248
1249 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1250
1251         PR target/25477
1252         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1253         (BUILT_IN_NEXTTOWARD): Remove.
1254         (BUILT_IN_NEXTTOWARDF): Ditto.
1255         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1256         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1257
1258 2008-02-27  Tom Tromey  <tromey@redhat.com>
1259
1260         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1261         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1262
1263 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1264
1265         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1266         update the respective field on newdecl.
1267
1268 2008-02-27  Revital Eres  <eres@il.ibm.com>
1269
1270         PR rtl-optimization/34999
1271         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1272         crossing edges that ends with a call insn.
1273         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1274         call insn and clear the EDGE_CROSSING flag of the crossing edge
1275         when fixing fallthru edges.
1276
1277 2008-02-27  Richard Guenther  <rguenther@suse.de>
1278
1279         PR middle-end/35390
1280         * fold-const.c (fold_unary): Return the correct argument,
1281         converted to the result type.
1282
1283 2008-02-27  Richard Guenther  <rguenther@suse.de>
1284
1285         PR middle-end/34971
1286         * expr.c (expand_expr_real_1): Assert on rotates that operate
1287         on partial modes.
1288         * fold-const.c (fold_binary): Use the types precision, not the
1289         bitsize of the mode if folding rotate expressions.  Build rotates
1290         only for full modes.
1291
1292 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1293
1294         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1295         and CPP_PRAGMA_EOL.
1296         * c-pragma.c (pragma_ns_name): New typedef.
1297         (registered_pp_pragmas): New variable.
1298         (c_pp_lookup_pragma): New function.
1299         (c_register_pragma_1): If flag_preprocess_only, do nothing
1300         for non-expanded pragmas, for expanded ones push pragma's
1301         namespace and name into registered_pp_pragmas vector.
1302         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1303         flag_preprocess_only, don't register GCC pch_preprocess
1304         pragma if flag_preprocess_only.
1305         * c-opts.c (c_common_init): Call init_pragma even if
1306         flag_preprocess_only.
1307         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1308         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1309         cpp_register_pragma if flag_preprocess_only.
1310
1311 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1312
1313         PR c/28800
1314         * c-parser.c (c_parser_translation_unit): Warn for empty
1315         translation unit, not empty source file.
1316
1317 2008-02-26  Paul Brook  <paul@codesourcery.com>
1318
1319         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
1320         operand for Thumb-2.
1321         * config/arm/arm.h (reg_class): Add CORE_REGS.
1322         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
1323         (BASE_REG_CLASS): Use CORE_REGS.
1324         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
1325         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
1326         (REGNO_OK_FOR_INDEX_P): Exclude SP.
1327         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
1328         ARM_REGNO_OK_FOR_INDEX_P.
1329         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
1330         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
1331         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
1332         (ldm/stm peepholes): Ditto.
1333         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
1334         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
1335         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
1336         * config/arm/constraints.md: Enable "k" constraint on ARM.
1337
1338 2008-02-27  Ben Elliston  <bje@au.ibm.com>
1339
1340         * config/rs6000/rs6000.c: Annotate cache line size field in all
1341         instances of struct processor_costs.
1342
1343 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
1344
1345         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
1346         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
1347         jump_bypass): New counters.
1348         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
1349         * dce.c (gate_ud_dce): Same.
1350         (gate_fast_dce): Same.
1351         * dse.c (gate_dse1): New function.
1352         (gate_dse2): New function.
1353         (gate_dse): Merge results of new gate functions.
1354         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
1355         (gate_handle_jump_bypass): Add dbg_cnt.
1356         (gate_handle_gcse): Add dbg_cnt.
1357         * ifcvt.c (gate_handle_if_conversion): Same.
1358         (gate_handle_if_after_combine): Same.
1359         (gate_handle_if_after_reload): Same.
1360         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
1361
1362 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
1363
1364         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
1365         line sizes.
1366         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
1367
1368 2008-02-26  Jason Merrill  <jason@redhat.com>
1369
1370         PR c++/35315
1371         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
1372         alone if it's the naming decl for the type's main variant.
1373
1374 2008-02-26  Tom Tromey  <tromey@redhat.com>
1375
1376         * system.h (USE_MAPPED_LOCATION): Poison.
1377         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
1378         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
1379         (make_goto_expr_edges): Likewise.
1380         (remove_bb): Likewise.
1381         (execute_warn_function_return): Likewise.
1382         * basic-block.h (struct edge_def) <goto_locus>: Change type to
1383         location_t.
1384         * c-common.c (fname_decl): Remove old location code.
1385         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
1386         location code.
1387         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
1388         variant.
1389         (ASM_INPUT_SOURCE_LOCATION): Likewise.
1390         (gen_rtx_ASM_INPUT): Likewise.
1391         (gen_rtx_ASM_INPUT_loc): Likewise.
1392         (get_rtx_asm_OPERANDS): Remove.
1393         * cfglayout.c (insn_locators_alloc): Remove old location code.
1394         (set_curr_insn_source_location): Likewise.
1395         (curr_insn_locator): Likewise.
1396         * print-tree.c (print_node): Remove old location code.
1397         * tree-mudflap.c (mf_varname_tree): Remove old location code.
1398         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
1399         * cfgexpand.c (expand_gimple_cond_expr): Don't use
1400         location_from_locus.
1401         (construct_exit_block): Remove old location code.
1402         * emit-rtl.c (force_next_line_note): Remove old location code.
1403         * profile.c (branch_prob): Remove old location code.
1404         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
1405         LOC_LINE): Remove old-location variants.
1406         * langhooks.c (lhd_print_error_function): Remove old location
1407         code.
1408         * configure, config.in: Rebuilt.
1409         * configure.ac (--enable-mapped-location): Remove.
1410         * c-decl.c (c_init_decl_processing): Remove old location code.
1411         (finish_function): Likewise.
1412         * recog.c (decode_asm_operands): Remove old location code.
1413         * c-pch.c (c_common_read_pch): Remove old location code.
1414         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
1415         variants.
1416         * gimple-low.c (lower_function_body): Remove old location code.
1417         * toplev.c (unknown_location): Remove.
1418         (push_srcloc): Remove old-location variant.
1419         (process_options): Remove old location code.
1420         (lang_dependent_init): Likewise.
1421         * input.h (UNKNOWN_LOCATION): Move definition.
1422         (location_t): Undeprecate.
1423         (source_locus): Remove.
1424         (location_from_locus): Remove.
1425         (struct location_s): Remove.
1426         Remove all old-location code.
1427         (input_line, input_filename): Remove.
1428         * final.c (final_scan_insn): Remove old location code.
1429         * diagnostic.c (diagnostic_build_prefix): Remove
1430         USE_MAPPED_LOCATION test.
1431         * tree.h (gimple_stmt) <locus>: Now a location_t.
1432         (tree_exp) <locus>: Likewise.
1433         (DECL_IS_BUILTIN): Remove old-location variant.
1434         (annotate_with_file_line, annotate_with_locus): Likewise.
1435         (expr_locus, set_expr_locus): Update.
1436         * tree.c (build1_stat): Remove old location code.
1437         (last_annotated_node): Remove.
1438         (annotate_with_file_line): Remove old-location variant.
1439         (annotate_with_locus): Likewise.
1440         (expr_location): Remove old location code.
1441         (set_expr_location): Likewise.
1442         (expr_has_location): Likewise.
1443         (expr_locus): Likewise.
1444         (set_expr_locus): Likewise.
1445         (expr_filename): Don't use location_from_locus.
1446         (expr_lineno): Likewise.
1447         * rtl-error.c (location_for_asm): Remove old location code.
1448         * c-lex.c (cb_line_change): Remove old location code.
1449         (fe_file_change): Likewise.
1450         (cb_def_pragma): Likewise.
1451         (c_lex_with_flags): Likewise.
1452         * gengtype.c (do_typedef): Don't special-case location types.
1453         (define_location_structures): Remove.
1454         (main): Don't call define_location_structures.
1455         * tree-pretty-print.c (dump_implicit_edges): Remove old location
1456         code.
1457
1458 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1459
1460         PR 26264
1461         * builtins.def (BUILT_IN_STDARG_START): Remove.
1462         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
1463         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
1464         * tree-inline.c (inline_forbidden_p_1): Likewise.
1465
1466 2008-02-26  Richard Guenther  <rguenther@suse.de>
1467
1468         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1469         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1470         (lookup_decl_from_uid): Declare.
1471         (remove_decl_from_map): Likewise.
1472         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1473         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1474         (decl_for_uid_map): New global hashtable mapping DECL_UID
1475         to the decl tree.
1476         (init_ttree): Allocate it.
1477         (insert_decl_to_uid_decl_map): New helper function.
1478         (make_node_stat): Insert new decls into the map.
1479         (copy_node_stat): Likewise.
1480         (lookup_decl_from_uid): New function.
1481         (remove_decl_from_map): Likewise.
1482         (print_decl_for_uid_map_statistics): New helper.
1483         (dump_tree_statistics): Call it.
1484
1485         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1486         (referenced_var_iterator): Adjust.
1487         (FOR_EACH_REFERENCED_VAR): Adjust.
1488         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1489         (num_referenced_vars): Adjust.
1490         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1491         (first_referenced_var): Remove.
1492         (end_referenced_vars_p): Likewise.
1493         (next_referenced_var): Likewise.
1494         (referenced_var_iterator_set): New helper function.
1495         * tree-dfa.c (referenced_var_lookup): Adjust.
1496         (referenced_var_check_and_insert): Likewise.
1497         (remove_referenced_var): Likewise.
1498         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1499         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1500         (verify_call_clobbering): Likewise.
1501         (verify_memory_partitions): Likewise.
1502         (init_tree_ssa): Allocate bitmap instead of hashtable for
1503         referenced_vars.
1504         (delete_tree_ssa): Adjust.
1505         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1506         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1507         (compute_tag_properties): Likewise.
1508         (set_initial_properties): Likewise.
1509         (find_partition_for): Likewise.
1510         (update_reference_counts): Likewise.
1511         (dump_may_aliases_for): Likewise.
1512         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1513         (add_call_clobber_ops): Likewise.
1514         (add_call_read_ops): Likewise.
1515         (get_asm_expr_operands): Likewise.
1516         * tree-into-ssa.c (dump_decl_set): Likewise.
1517         (update_ssa): Likewise.
1518         * tree-sra.c (scan_function): Likewise.
1519         (decide_instantiations): Likewise.
1520         (scalarize_parms): Likewise.
1521         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1522         (dsa_named_for): Likewise.
1523         * tree-ssa-structalias.c (update_alias_info): Likewise.
1524         (merge_smts_into): Likewise.
1525
1526 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1527
1528         PR 34351
1529         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
1530         * c-opts.c (c_common_handle_option): Wall enables
1531         Wvolatile-register-var.
1532         * common.opt: Move Wvolatile-register-var to...
1533         * c.opt: ...here.
1534
1535 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1536
1537         * common.opt (Wlarger-than=): New.
1538         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
1539         -Wlarger-than=.
1540         * opts.c (common_handle_option): Handle -Wlarger-than=.
1541         * optc-gen.awk: Likewise.
1542         * opth-gen.awk: Likewise.
1543         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
1544         * tree-optimize.c (tree_rest_of_compilation): Likewise.
1545
1546 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1547
1548         * c-common.c (match_case_to_enum_1): Add appropriate
1549         OPT_W* parameter to warning.
1550         (c_do_switch_warnings): Likewise.
1551         * c-typeck.c (warning_init): Add one more parameter following
1552         'warning' function.
1553         (push_init_level): Update call to warning_init.
1554         (pop_init_level): Likewise.
1555         (add_pending_init): Likewise.
1556         (output_init_element: Likewise.
1557
1558 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1559
1560         PR 28322
1561         * toplev.c (toplev_main): If there are warnings or error, print
1562         errors for ignored options.
1563         * opts.c (ignored_options): New static variable.
1564         (postpone_unknown_option_error): New.
1565         (print_ignored_options): New.
1566         (handle_option): Postpone errors for unknown -Wno-* options.
1567         * opts.h (print_ignored_options): Declare.
1568
1569 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
1570
1571         * config/mips/mips.md (loadgp_blockage, blockage): Change type
1572         to "ghost".
1573
1574 2008-02-25  Richard Guenther  <rguenther@suse.de>
1575
1576         Revert:
1577         2008-02-25  Richard Guenther  <rguenther@suse.de>
1578
1579         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1580         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1581         (lookup_decl_from_uid): Declare.
1582         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1583         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1584         (decl_for_uid_map): New global hashtable mapping DECL_UID
1585         to the decl tree.
1586         (init_ttree): Allocate it.
1587         (insert_decl_to_uid_decl_map): New helper function.
1588         (make_node_stat): Insert new decls into the map.
1589         (copy_node_stat): Likewise.
1590         (lookup_decl_from_uid): New function.
1591         (print_decl_for_uid_map_statistics): New helper.
1592         (dump_tree_statistics): Call it.
1593
1594         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1595         (referenced_var_iterator): Adjust.
1596         (FOR_EACH_REFERENCED_VAR): Adjust.
1597         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1598         (num_referenced_vars): Adjust.
1599         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1600         (first_referenced_var): Remove.
1601         (end_referenced_vars_p): Likewise.
1602         (next_referenced_var): Likewise.
1603         (referenced_var_iterator_set): New helper function.
1604         * tree-dfa.c (referenced_var_lookup): Adjust.
1605         (referenced_var_check_and_insert): Likewise.
1606         (remove_referenced_var): Likewise.
1607         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1608         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1609         (verify_call_clobbering): Likewise.
1610         (verify_memory_partitions): Likewise.
1611         (init_tree_ssa): Allocate bitmap instead of hashtable for
1612         referenced_vars.
1613         (delete_tree_ssa): Adjust.
1614         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1615         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1616         (compute_tag_properties): Likewise.
1617         (set_initial_properties): Likewise.
1618         (find_partition_for): Likewise.
1619         (update_reference_counts): Likewise.
1620         (dump_may_aliases_for): Likewise.
1621         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1622         (add_call_clobber_ops): Likewise.
1623         (add_call_read_ops): Likewise.
1624         (get_asm_expr_operands): Likewise.
1625         * tree-into-ssa.c (dump_decl_set): Likewise.
1626         (update_ssa): Likewise.
1627         * tree-sra.c (scan_function): Likewise.
1628         (decide_instantiations): Likewise.
1629         (scalarize_parms): Likewise.
1630         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1631         (dsa_named_for): Likewise.
1632         * tree-ssa-structalias.c (update_alias_info): Likewise.
1633         (merge_smts_into): Likewise.
1634
1635 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1636
1637         PR fortran/29549
1638         * doc/invoke.texi (-fcx-limited-range): Document new option.
1639         * toplev.c (process_options): Handle -fcx-fortran-rules.
1640         * common.opt: Add documentation for -fcx-fortran-rules.
1641
1642 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
1643
1644         PR c/35162
1645         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
1646         actual behaviour and C99.
1647
1648 2008-02-26  Ben Elliston  <bje@au.ibm.com>
1649
1650         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
1651         (ASM_CPU_POWER6_SPEC): Likewise.
1652         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
1653         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
1654         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
1655
1656 2008-02-25  Richard Guenther  <rguenther@suse.de>
1657
1658         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1659         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1660         (lookup_decl_from_uid): Declare.
1661         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1662         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1663         (decl_for_uid_map): New global hashtable mapping DECL_UID
1664         to the decl tree.
1665         (init_ttree): Allocate it.
1666         (insert_decl_to_uid_decl_map): New helper function.
1667         (make_node_stat): Insert new decls into the map.
1668         (copy_node_stat): Likewise.
1669         (lookup_decl_from_uid): New function.
1670         (print_decl_for_uid_map_statistics): New helper.
1671         (dump_tree_statistics): Call it.
1672
1673         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1674         (referenced_var_iterator): Adjust.
1675         (FOR_EACH_REFERENCED_VAR): Adjust.
1676         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1677         (num_referenced_vars): Adjust.
1678         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1679         (first_referenced_var): Remove.
1680         (end_referenced_vars_p): Likewise.
1681         (next_referenced_var): Likewise.
1682         (referenced_var_iterator_set): New helper function.
1683         * tree-dfa.c (referenced_var_lookup): Adjust.
1684         (referenced_var_check_and_insert): Likewise.
1685         (remove_referenced_var): Likewise.
1686         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1687         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1688         (verify_call_clobbering): Likewise.
1689         (verify_memory_partitions): Likewise.
1690         (init_tree_ssa): Allocate bitmap instead of hashtable for
1691         referenced_vars.
1692         (delete_tree_ssa): Adjust.
1693         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1694         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1695         (compute_tag_properties): Likewise.
1696         (set_initial_properties): Likewise.
1697         (find_partition_for): Likewise.
1698         (update_reference_counts): Likewise.
1699         (dump_may_aliases_for): Likewise.
1700         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1701         (add_call_clobber_ops): Likewise.
1702         (add_call_read_ops): Likewise.
1703         (get_asm_expr_operands): Likewise.
1704         * tree-into-ssa.c (dump_decl_set): Likewise.
1705         (update_ssa): Likewise.
1706         * tree-sra.c (scan_function): Likewise.
1707         (decide_instantiations): Likewise.
1708         (scalarize_parms): Likewise.
1709         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1710         (dsa_named_for): Likewise.
1711         * tree-ssa-structalias.c (update_alias_info): Likewise.
1712         (merge_smts_into): Likewise.
1713
1714 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
1715
1716         PR target/35258
1717         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
1718         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
1719         * alias.h (nonoverlapping_memrefs_p): Likewise.
1720
1721 2008-02-25  Jan Beulich  <jbeulich@novell.com>
1722
1723         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
1724         * config/i386/netware-libgcc.exp: Add __bswap?i2,
1725         __emultls_get_address, __emultls_register_common,
1726         __floatundi?f, and _Unwind_GetIPInfo.
1727         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
1728         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
1729         (gen_regparm_prefix): Likewise.
1730         (i386_nlm_encode_section_info): Sync with
1731         config/i386/winnt.c:i386_pe_encode_section_info().
1732         (i386_nlm_maybe_mangle_decl_assembler_name): New.
1733         i386_nlm_mangle_decl_assembler_name): New.
1734         (netware_override_options): New.
1735         * config/i386/netware.h (netware_override_options): Declare.
1736         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
1737         (i386_nlm_mangle_decl_assembler_name): Declare.
1738         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
1739
1740 2008-02-25  Ben Elliston  <bje@au.ibm.com>
1741
1742         PR other/32948
1743         * c-decl.c (grokdeclarator): Remove unused local variables
1744         `typedef_type' and `type_as_written'.
1745         * bb-reorder.c
1746         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
1747         unused local variable `has_hot_blocks'.
1748         (fix_crossing_conditional_branches): Remove unused local variable
1749         `prev_bb'.
1750
1751 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
1752
1753         PR middle-end/19984
1754         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
1755         using DEF_C99_BUILTIN.
1756         (BUILT_IN_NANF): Ditto.
1757         (BUILT_IN_NANL): Ditto.
1758
1759 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
1760             Revital Eres  <eres@il.ibm.com>
1761
1762         * modulo-sched.c (calculate_must_precede_follow): Address TODO
1763         regarding the order of two dependent insns in the same row.
1764
1765 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
1766
1767         * stor-layout.c (layout_decl): Do not bump the alignment of a
1768         bit-field to more than byte alignment if it is packed.
1769
1770 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
1771
1772         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
1773         e300c2 and e300c3.
1774
1775 2008-02-24  Diego Novillo  <dnovillo@google.com>
1776
1777         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
1778
1779         PR 33738
1780         * tree-vrp.c (vrp_evaluate_conditional): With
1781         -Wtype-limits, emit a warning when comparing against a
1782         constant outside the natural range of OP0's type.
1783         * c.opt (Wtype-limits): Move ...
1784         * common.opt (Wtype-limits): ... here.
1785
1786 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
1787
1788         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
1789         * config/rs6000/e300c2c3.md: New file.
1790         * config/rs6000/rs6000.c (processor_costs): Add new costs for
1791         e300c2 and e300c3.
1792         (rs6000_override_options): Add e300c2 and e300c3 cases to
1793         processor_target_table. Do not allow usage of Altivec or Spe
1794         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
1795         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
1796         * config/rs6000/rs6000.h (processor_type): Add
1797         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
1798         (ASM_CPU_SPEC): Add e300c2 and e300c3.
1799         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
1800         and ppce300c3. Include e300c2c3.md.
1801
1802 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
1803
1804         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
1805         instead of TARGET_STRICT_ALIGN.
1806
1807 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
1808
1809         * explow.c (memory_address): Assert that the generated address is
1810         valid.
1811
1812 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1813
1814         PR target/25477
1815         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
1816         * config/darwin-ppc-ldouble-patch.def: New file.
1817         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
1818         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
1819         SUBTARGET_INIT_BUILTINS if defined.
1820         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
1821         New functions.
1822
1823 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1824
1825         PR rtl-opt/33512
1826         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
1827         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
1828
1829 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1830
1831         PR pch/35027
1832         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
1833         file" warning condtional on -Winvalid-PCH.
1834
1835 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
1836
1837         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
1838
1839 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
1840
1841         PR target/22076
1842         PR target/34256
1843         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
1844         prevent reload from using MMX registers.
1845         (*mov<mode>_internal): Ditto.
1846         (*movv2sf_internal_rex64): Ditto.
1847         (*movv2sf_internal): Ditto.
1848
1849 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1850
1851         PR documentation/31569
1852         * doc/install.texi2html: Use makeinfo --no-number-sections.
1853
1854 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1855
1856         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
1857         ensure that we can address an entire entity > 8 bytes.  Don't
1858         generate reg+reg addressing for such data.
1859
1860 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1861
1862         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
1863         strings when optimizing for size, unless the target cares about
1864         alignment.
1865
1866 2008-02-22  Tom Tromey  <tromey@redhat.com>
1867
1868         * regclass.c (current_pass): Remove declaration.
1869
1870 2008-02-22  Anatoly Sokolov <aesok@post.ru>
1871
1872         * config/avr/libgcc.S (__RAMPZ__): Define.
1873         (__do_copy_data): Add for devices with 128KB code memory.
1874
1875 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
1876
1877         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1878         Use spe_abi.
1879         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
1880
1881 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
1882
1883         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
1884         GENNONACR_REGS.
1885
1886 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1887
1888         PR c/19999
1889         * c-typeck.c (build_binary_op): Warn about floating point
1890         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
1891
1892 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
1893
1894         PR target/34526
1895         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
1896         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
1897         add vrsave.
1898         (rs6000_override_options): Set altivec_abi as default, not override,
1899         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
1900         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
1901         is used; use new member spe_abi.
1902         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
1903         spe_abi and altivec_abi.
1904
1905 2008-02-22  Tomas Bily  <tbily@suse.cz>
1906
1907         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
1908
1909 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1910
1911         PR bootstrap/35273
1912         * config.build (build_file_translate): Set to `CMD //c' only if
1913         it works.
1914         * Makefile.in (build_file_translate): Improve comment.
1915
1916 2008-02-21  Jan Hubicka  <jh@suse.cz>
1917
1918         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
1919         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
1920         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
1921
1922 2008-02-21  Michael Matz  <matz@suse.de>
1923
1924         PR target/35264
1925         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
1926
1927 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
1928
1929         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
1930         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
1931         as insn constraint.
1932         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
1933         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
1934         SSE_VEC_FLOAT_MODE_P as insn constraint.
1935         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
1936         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
1937         sse4a_movntdf using MODEF mode iterator.
1938         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
1939         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
1940         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
1941         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
1942         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
1943         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
1944         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
1945
1946 2008-02-21  Richard Guenther  <rguenther@suse.de>
1947
1948         * tree.def (PAREN_EXPR): New tree code.
1949         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
1950         and PAREN_EXPR.
1951         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
1952         * expr.c (expand_expr_real_1): Likewise.
1953         * tree-inline.c (estimate_num_insns_1): Likewise.
1954         * tree-complex.c (expand_complex_move): Likewise.
1955         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
1956         as plain x.
1957
1958 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1959
1960         PR target/35225
1961         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
1962
1963 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1964
1965         PR target/35190
1966         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
1967
1968         * config/sh/sh.c (find_barrier): Don't go past
1969         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
1970
1971 2008-02-20  DJ Delorie  <dj@redhat.com>
1972
1973         * config/h8300/h8300.md (insv): Force source operand to be a register.
1974
1975         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
1976         as a jump, not as a plain insn.
1977
1978 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
1979
1980         * doc/invoke.texi (Warning Options): Add new option
1981         -Wframe-larger-than=.
1982         (-Wframe-larger-than): Document.
1983
1984         * flags.h (warn_frame_larger_than, frame_larger_than_size):
1985         Add declarations for new option variables.
1986
1987         * final.c (final_start_function): Check the frame size
1988         before emission and issue a Wframe-larger-than warning.
1989
1990         * opts.c (warn_frame_larger_than, frame_larger_than_size):
1991         Add definitions for new option variables.
1992         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
1993
1994         * common.opt (Wframe-larger-than=): New option.
1995
1996 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
1997
1998         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
1999         (<sse>_div<mode>3): Ditto.
2000         (<sse>_vmdiv<mode>3): Ditto.
2001         (<sse>_vmsqrt<mode>2): Ditto.
2002         (*smax<mode>3): Ditto.
2003         (sse5_frcz<mode>2): Ditto.
2004         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2005         as insn constraint.
2006
2007 2008-02-20  Richard Guenther  <rguenther@suse.de>
2008
2009         PR middle-end/35265
2010         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2011         be happy with INTEGRAL_TYPE_P.
2012
2013 2008-02-20  Richard Guenther  <rguenther@suse.de>
2014
2015         * fold-const.c (split_tree): Associate floatig-point expressions
2016         if flag_associative_math is set.
2017
2018 2008-02-20  Richard Guenther  <rguenther@suse.de>
2019
2020         * tree.h (fold_real_zero_addition_p): Declare.
2021         * fold-const.c (fold_real_zero_addition_p): Export.
2022         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2023         floating-point operations with zero and one.
2024
2025 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2026
2027         * doc/install.texi: Correct references to CFLAGS, replacing them
2028         with BOOT_CFLAGS.  Document flags used during bootstrap for
2029         target libraries.
2030
2031 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2032
2033         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2034         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2035         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2036         insn constraint.
2037         (smin<mode>3): Ditto from similar patterns.
2038         (smax<mode>3): Ditto.
2039         (*ieee_smin<mode>3): Ditto.
2040         (*ieee_smax<mode>3): Ditto.
2041         * config/i386/sse.md (sse): New mode attribute.
2042         (mov<mode>): Macroize expander from movv4sf and movv2df using
2043         SSEMODEF2P mode iterator.
2044         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2045         SSE_VEC_FLOAT_MODE_P as insn constraint.
2046         (storent<mode>): Ditto.
2047         (storent<mode>): Macroize expander from storentsf and storentdf using
2048         MODEF mode iterator.
2049         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2050         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2051         (abs<mode>2): Ditto from similar patterns.
2052         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2053         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2054         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2055         (<sse>_vmsqrt<mode>2): Ditto.
2056         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2057         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2058         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2059         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2060         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2061         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2062         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2063         insn constraint.
2064         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2065         iterator and SSE_FLOAT_MODE_P as insn constraint.
2066         (<sse>_ucomi): Ditto from similar patterns.
2067         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2068         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2069         SSE_VEC_FLOAT_MODE_P as insn constraint.
2070         (vcond<mode>): Ditto from similar patterns.
2071         (and<mode>3, *and<mode>3): Ditto.
2072         (<sse>_nand<mode>3): Ditto.
2073         (ior<mode>3, *ior<mode>3): Ditto.
2074         (xor<mode>3, *xor<mode>3): Ditto.
2075         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2076         iterator and SSE_FLOAT_MODE_P as insn constraint.
2077         (*nand<mode>3): Ditto from similar patterns.
2078         (*ior<mode>3): Ditto.
2079         (*xor<mode>3): Ditto.
2080
2081 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2082
2083         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2084         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2085         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2086
2087 2008-02-19  Jan Hubicka  <jh@suse.cz>
2088
2089         * predict.c (tree_bb_level_predictions): Remove variable next
2090         mistakely introduced by previous commit.
2091
2092 2008-02-19  Jan Hubicka  <jh@suse.cz>
2093
2094         * predict.c (predict_paths_leading_to): Rewrite.
2095         (predict_paths_for_bb): New.
2096         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2097
2098 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2099
2100         PR bootstrap/35218
2101         * Makefile.in (build_file_translate): New.
2102         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2103         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2104         * configure.ac (build_file_translate): Substitute it.
2105         * configure: Regenerate.
2106
2107 2008-02-19  Jan Hubicka  <jh@suse.cz>
2108
2109         PR rtl-optimization/34408
2110         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2111         invalid sharing.
2112
2113 2008-02-19  Jan Hubicka  <jh@suse.cz>
2114
2115         PR middle-end/28779
2116         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2117         call_expr.
2118
2119 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2120
2121         PR Ada/35186
2122         * config/i386/i386-modes.def: Revert the last DI alignment
2123         change until Ada people can look into it.
2124
2125 2008-02-19  Nick Clifton  <nickc@redhat.com>
2126
2127         * opts.c (print_specific_help): Fix typo in --help text.
2128
2129 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2130
2131         PR target/35239
2132         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2133         32-bit inline asm without asm alternatives for host GCC < 3.0.
2134
2135 2008-02-19  Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/34989
2138         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2139         Allow propagation to INDIRECT_REF if we can simplify only.
2140
2141 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2142
2143         * c-common.c (warn_for_collisions_1): Use appropriate option when
2144         warning.
2145
2146 2008-02-19  Nick Clifton  <nickc@redhat.com>
2147
2148         PR other/31349
2149         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2150         (handle_options): Fix indentation.
2151         (print_filtered_help): If no language-specific options were
2152         displayed tell the user how to list all the options supported by
2153         the language's front-end.
2154         (print_specific_help): Fix indentation and remove duplicate line.
2155         (common_handle_option): Handle the -v option.
2156         For --help enable the display of undocumented options if the -v
2157         switch has been included on the command line.
2158         For --help= check for overlaps in the arguments between the option
2159         classes and the language names and issue a warning when they
2160         cannot be disambiguated.
2161         * c.opt (v): Pass on to the common option handler.
2162
2163 2008-02-19  Revital Eres  <eres@il.ibm.com>
2164
2165         * modulo-sched.c (sms_schedule): Change dump message when
2166         create_ddg function fails.
2167         (try_scheduling_node_in_cycle): Rename row to cycle.
2168         (print_partial_schedule): Rename CYCLE to ROW.
2169
2170 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2171             Zdenek Dvorak  <ook@ucw.cz>
2172
2173         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2174
2175 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2176
2177         PR target/33555
2178         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2179         (*x86_movdicc_0_m1_se): Ditto.
2180
2181 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2182
2183         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2184         (CMPtype): Define as __gcc_CMPtype.
2185         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2186         (CMPtype): Define as __gcc_CMPtype.
2187
2188 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2189
2190         Support valgrind 3.3 for --enable-checking=valgrind.
2191         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2192         here.
2193         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2194         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2195         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2196         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2197         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2198         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2199         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2200         respectively.
2201         * ggc-zone.c: Similar.
2202         * ggc-page.c: Similar.
2203
2204 2008-02-19  Paul Brook  <paul@codesourcery.com>
2205
2206         PR target/35071
2207         * config/arm/ieee754-df.S: Fix do_it typo.
2208         * config/arm/ieee754-sf.S: Fix do_it typo.
2209
2210 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2211
2212         PR target/35189
2213         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2214         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2215         (OPTION_MASK_ISA_SSE_SET): Likewise.
2216         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2217         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2218         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2219         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2220         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2221         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2222         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2223         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2224         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2225         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2226         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2227         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2228         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2229         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2230         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2231         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2232         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2233         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2234         (OPTION_MASK_ISA_SSE4): Removed.
2235         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2236         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2237         (override_options): Don't turn on implied SSE/MMX bits in
2238         ix86_isa_flags.
2239
2240 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2241
2242         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2243         32bit host.
2244
2245 2008-02-18  Joey Ye  <joey.ye@intel.com>
2246
2247         PR middle-end/34921
2248         * tree-nested.c (insert_field_into_struct): Set type alignment
2249         to field alignment if the former is less than the latter.
2250
2251 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2252
2253         * BASE-VER: Set to 4.4.0.
2254
2255 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2256
2257         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2258         * doc/cfg.texi: Likewise.
2259         * doc/extend.texi: Likewise.
2260         * doc/gty.texi: Likewise.
2261         * doc/invoke.texi: Likewise.
2262         * doc/loop.texi: Likewise.
2263         * doc/md.texi: Likewise.
2264         * doc/passes.texi: Likewise.
2265         * doc/rtl.texi: Likewise.
2266         * doc/sourcebuild.texi: Likewise.
2267         * doc/tm.texi: Likewise.
2268         * doc/tree-ssa.texi: Likewise.
2269
2270 2008-02-17  Richard Guenther  <rguenther@suse.de>
2271
2272         PR middle-end/35227
2273         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2274         without default definition.
2275
2276 2008-02-17  Richard Guenther  <rguenther@suse.de>
2277
2278         PR tree-optimization/35231
2279         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2280         if A | B != 1.
2281
2282 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2283
2284         Revert:
2285
2286         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2287         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2288         libgcc_cmp_return mode.
2289
2290 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2291
2292         PR c/28368
2293         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2294
2295 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2296
2297         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2298         multilibs.
2299
2300 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2301
2302         * doc/c-tree.texi: Use `@.' where appropriate.
2303         * doc/extend.texi: Likewise.
2304         * doc/install.texi: Likewise.
2305         * doc/invoke.texi: Likewise.
2306         * doc/loop.texi: Likewise.
2307         * doc/makefile.texi: Likewise.
2308         * doc/md.texi: Likewise.
2309         * doc/passes.texi: Likewise.
2310         * doc/standards.texi: Likewise.
2311         * doc/tm.texi: Likewise.
2312
2313 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2314
2315         PR middle-end/35196
2316         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
2317         in entry_bb.
2318         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
2319         rather than in entry_bb.
2320
2321 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2322
2323         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2324         libgcc_cmp_return mode.
2325
2326 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
2327
2328         PR middle-end/35130
2329         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
2330         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
2331
2332 2008-02-15  Richard Guenther  <rguenther@suse.de>
2333             Zdenek Dvorak  <ook@ucw.cz>
2334
2335         PR tree-optimization/35164
2336         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
2337         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
2338         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
2339         Only propagate addresses which do not have abnormal SSA_NAMEs
2340         in their operands.
2341
2342 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
2343
2344         PR target/35088
2345         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
2346
2347 2008-02-15  Jan Hubicka  <jh@suse.cz>
2348
2349         PR middle-end/35149
2350         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
2351
2352 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2353
2354         PR middle-end/34621
2355         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
2356         when calculating alignment_pad.
2357
2358 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2359
2360         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
2361         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
2362         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
2363         and STACK_BOUNDARY define.
2364
2365 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
2366
2367         PR preprocessor/35061
2368         * c-pragma.c (handle_pragma_pop_macro): Check that
2369         pushed_macro_table has been allocated.
2370
2371 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
2372
2373         PR middle-end/35136
2374         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
2375         (force_gimple_operand): Likewise.
2376         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
2377         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
2378         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
2379         (find_interesting_uses_address): Check addressability and alignment
2380         of the base expression only after substituting bases of IVs into it.
2381
2382 2008-02-14  Michael Matz  <matz@suse.de>
2383
2384         PR target/34930
2385         * function.c (instantiate_virtual_regs_in_insn): Reload address
2386         before falling back to reloading the whole operand.
2387
2388 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
2389
2390         * config/s390/s390.c (s390_mainpool_start): Emit the pool
2391         before the first section switch note.
2392
2393 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2394
2395         * doc/bugreport.texi: Update copyright years.
2396         * doc/c-tree.texi: Likewise.
2397         * doc/cfg.texi: Likewise.
2398         * doc/cpp.texi: Likewise.
2399         * doc/cppinternals.texi: Likewise.
2400         * doc/fragments.texi: Likewise.
2401         * doc/frontends.texi: Likewise.
2402         * doc/gcc.texi: Likewise.
2403         * doc/gty.texi: Likewise.
2404         * doc/hostconfig.texi: Likewise.
2405         * doc/implement-c.texi: Likewise.
2406         * doc/libgcc.texi: Likewise.
2407         * doc/loop.texi: Likewise.
2408         * doc/makefile.texi: Likewise.
2409         * doc/options.texi: Likewise.
2410         * doc/passes.texi: Likewise.
2411         * doc/rtl.texi: Likewise.
2412         * doc/sourcebuild.texi: Likewise.
2413         * doc/standards.texi: Likewise.
2414         * doc/tree-ssa.texi: Likewise.
2415         * doc/trouble.texi: Likewise.
2416
2417         * doc/extend.texi: Use @: or add comma where appropriate.
2418         * doc/invoke.texi: Likewise.
2419         * doc/tm.texi: Likewise.
2420
2421 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
2422
2423         PR target/34393
2424         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
2425         to a reg.
2426
2427 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
2428
2429         * doc/md.texi (clz, ctz): Add reference.
2430         * doc/rtl.texi (clz, ctz): Likewise.
2431
2432 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2433
2434         PR other/35148
2435         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
2436         srcdir.
2437
2438 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
2439
2440         * config/s390/s390.c (struct constant_pool): New field
2441         emit_pool_after added.
2442         (s390_mainpool_start): Set the emit_pool_after flag according
2443         to the section switch notes.
2444         (s390_mainpool_finish): Consider emit_pool_after when emitting
2445         the literal pool at the end of the function.
2446         (s390_chunkify_start): Force literal pool splits at section
2447         switch notes.
2448
2449 2008-02-13  Michael Matz  <matz@suse.de>
2450
2451         PR debug/35065
2452         * var-tracking.c (clobber_variable_part): Correctly traverse the
2453         list.
2454
2455 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2456
2457         PR 29673
2458         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
2459         Add -fdump-ipa-inline.
2460         * tree-dump.c (dump_files): Remove tree-inlined dump.
2461         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
2462
2463 2008-02-12  Richard Guenther  <rguenther@suse.de>
2464
2465         PR tree-optimization/35171
2466         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
2467         default defs.
2468
2469 2008-02-12  Richard Guenther  <rguenther@suse.de>
2470
2471         PR middle-end/35163
2472         * fold-const.c (fold_widened_comparison): Use get_unwidened in
2473         value-preserving mode.  Disallow final truncation.
2474
2475 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2476
2477         PR middle-end/35136
2478         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
2479         code from here to...
2480         (force_gimple_operand): ...here.
2481
2482 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
2483
2484         PR c++/35144
2485         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
2486         non-compatible pointers.
2487         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
2488         different FIELD_DECLs, try harder by comparing field offsets, sizes
2489         and types.
2490
2491         PR inline-asm/35160
2492         * function.c (match_asm_constraints_1): Don't replace the same input
2493         multiple times.
2494
2495 2008-02-12  Anatoly Sokolov <aesok@post.ru>
2496
2497         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
2498         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
2499         (expand_epilogue): Restore RAMPZ register.
2500         * config/avr/avr.md (RAMPZ_ADDR): New constant.
2501
2502 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
2503
2504         * config/i386/cygwin.asm: (__alloca): Correct calling
2505         convention and alignment.
2506         (__chkstk): Force 8 byte stack alignment.
2507
2508 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
2509             Richard Guenther  <rguenther@suse.de>
2510
2511         PR tree-optimization/33992
2512         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
2513         the zero we compare against.
2514
2515 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
2516
2517         PR libfortran/35063
2518         * gthr-win32.h (__gthread_mutex_destroy_function): New function
2519         to CloseHandle after unlocking to prevent accumulation of handle
2520         count.
2521
2522 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2523
2524         PR middle_end/34150
2525         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
2526         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
2527         and update LABEL_NUSES during and after reload.
2528
2529 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
2530
2531         PR middle-end/34627
2532         * combine.c (simplify_if_then_else): Make sure the comparison is
2533         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
2534
2535 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
2536
2537         PR bootstrap/35051
2538         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
2539         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
2540         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
2541         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
2542         * tree.h (get_type_static_bounds): Likewise.
2543
2544 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2545
2546         * doc/invoke.texi (Option Summary, C++ Dialect Options)
2547         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2548         Make -Wfoo language annotations match what the compiler outputs.
2549
2550 2008-02-08  Sa Liu  <saliu@de.ibm.com>
2551
2552         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
2553         intrinsics spu_convts, spu_convtu, spu_convtf.
2554         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
2555
2556 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
2557
2558         * doc/extend.texi (Function Attributes) <noinline>: Mention
2559         asm ("") as method to keep calls.
2560
2561 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2562
2563         PR other/32754
2564         * doc/options.texi (Options): Replace references to opts.sh with
2565         optc-gen.awk.
2566         * opts-common.c: Likewise.
2567         * optc-gen.awk: Likewise.
2568
2569 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
2570
2571         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
2572
2573 2008-02-07  Richard Henderson  <rth@redhat.com>
2574
2575         PR rtl-opt/33410
2576         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
2577         EXPR_LIST for the REG_EQUAL instead of a comparison with a
2578         funny mode.
2579
2580 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
2581
2582         PR tree-optimization/35085
2583         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
2584         for operand entry oe2 in addition to operand entry oe3 in order to
2585         expose more opportunities for vectorizer sum reduction.
2586
2587 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2588
2589         PR other/35107
2590         * Makefile.in (LIBS): Remove $(GMPLIBS).
2591         (cc1-dummy, cc1): Add $(GMPLIBS).
2592
2593 2008-02-06  Jan Hubicka  <jh@suse.cz>
2594
2595         PR target/23322
2596         * i386.md (moddf_integer): Do not produce partial memory stalls for
2597         targets where it hurts.
2598
2599 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
2600
2601         PR target/35083
2602         * optabs.c (expand_float): Do not check for decimal modes when
2603         expanding unsigned integer through signed conversion.
2604
2605 2008-02-06  Nick Clifton  <nickc@redhat.com>
2606
2607         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
2608         inside the clobber with a match_operand and duplicated operand
2609         number in the constraint.
2610         (ineqbranchsi): Delete redundant comment.
2611
2612 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
2613
2614         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
2615         builtin_define ("__USE_INIT_FINI__").
2616         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
2617         -msx multilibs.
2618         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
2619
2620 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2621
2622         PR documentation/30330
2623         * doc/invoke.texi (C++ Dialect Options)
2624         (Objective-C and Objective-C++ Dialect Options, Warning Options):
2625         For each warning option -Wfoo that allows -Wno-foo, ensure both
2626         -Wfoo and -Wno-foo are listed in the option index.  Fix index
2627         entry of -Wswitch-default, index -Wnormalized= including the
2628         `=', and -Wlarger-than-@var{len} including @var{len}.
2629
2630 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2631
2632         * config/i386/i386.md (floatunssisf2): Use
2633         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
2634         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
2635         Macroize expander using MODEF mode iterator.
2636
2637 2008-02-05  Diego Novillo  <dnovillo@google.com>
2638
2639         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
2640
2641         PR 33738
2642         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
2643
2644 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2645
2646         PR other/35070
2647         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
2648
2649 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
2650
2651         PR target/35084
2652         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
2653         to indicate if a message should be generated.
2654         (init_cumulative_args): Updated.
2655         (function_value_32): Likewise.
2656
2657 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
2658
2659         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
2660
2661 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
2662
2663         PR target/35083
2664         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
2665         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
2666
2667 2008-02-04  Diego Novillo  <dnovillo@google.com>
2668
2669         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
2670
2671         PR 33738
2672         * tree-vrp.c (vrp_evaluate_conditional): With
2673         -Wtype-limits, emit a warning when comparing against a
2674         constant outside the natural range of OP0's type.
2675
2676 2008-02-04  Richard Guenther  <rguenther@suse.de>
2677
2678         PR middle-end/33631
2679         * expr.c (count_type_elements): Give for unions instead of
2680         guessing.
2681
2682 2008-02-04  Richard Guenther  <rguenther@suse.de>
2683
2684         PR middle-end/35043
2685         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
2686         to TYPE_DOMAINs base type instead of using bitsizetype here.
2687
2688 2008-02-03  Jason Merrill  <jason@redhat.com>
2689
2690         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
2691
2692 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2693
2694         PR other/29972
2695         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
2696         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
2697         (RS/6000 and PowerPC Options): Fix typos and markup.
2698         * doc/passes.texi (Tree-SSA passes): Likewise.
2699
2700 2008-02-02  Michael Matz  <matz@suse.de>
2701
2702         PR target/35045
2703         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
2704         from record_last_reg_set_info.
2705         (record_last_reg_set_info): Take an RTX argument, iterate over all
2706         constituent hardregs.
2707         (record_last_set_info, record_opr_changes): Change calls to
2708         new signature or to record_last_reg_set_info_regno.
2709
2710 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
2711
2712         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
2713
2714 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
2715
2716         PR rtl-optimization/34773
2717         * reg-notes.def (EQUAL): Mention significance of combination of
2718         REG_EQUAL and REG_RETVAL.
2719         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
2720         insn that has a REG_RETVAL.
2721
2722 2008-02-01  Roger Sayle  <roger@eyesopen.com>
2723
2724         PR bootstrap/33781
2725         * configure.ac (--enable-fixed-point): Disable unless explicitly
2726         requested on IRIX.
2727         * configure: Regenerate.
2728
2729 2008-02-01  Richard Guenther  <rguenther@suse.de>
2730
2731         PR other/35042
2732         * invoke.texi (-finline-limit): Remove no longer true parts
2733         of the documentation.  Note that there is no default value.
2734
2735 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
2736             Mark Mitchell  <mark@codesourcery.com>
2737             Ben Elliston  <bje@au.ibm.com>
2738
2739         PR c/29326
2740         * doc/extend.texi (Other Builtins): Document.
2741
2742 2008-01-31  Tom Browder <tom.browder@gmail.com>
2743
2744         * doc/c-tree.texi (Types): Fix grammar.
2745         (Expression trees): Ditto.
2746         * doc/passes.texi (Tree-SSA passes): Ditto.
2747
2748         * doc/configterms.texi (Configure Terms): Fix typo.
2749         * doc/cpp.texi (Common Predefined Macros): Ditto.
2750         * doc/md.texi (Machine Constraints): Ditto.
2751
2752         * doc/makefile.texi (Makefile): Add comma.
2753
2754 2008-01-31  Tom Browder  <tom.browder@gmail.com>
2755             Gerald Pfeifer  <gerald@pfeifer.com>
2756
2757         * doc/sourcebuild.texi (Front End): Remove references to CVS
2758         and CVSROOT/modules.
2759         (Texinfo Manuals): Replace reference to CVS by one to SVN.
2760         (Back End): Remove reference to CVS.
2761
2762 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2763
2764         PR target/34900
2765         * config/mips/mips.c (gen_load_const_gp): New function, taking a
2766         comment from...
2767         (mips16_gp_pseudo_reg): ...here.
2768         * config/mips/mips.md (load_const_gp): Replace with...
2769         (load_const_gp_<mode>): ...this :P-based insn.
2770
2771 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2772
2773         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
2774         options. Minor fixes.
2775         (-std): Move reference to standards closer to where language
2776         standards are first mentioned.
2777
2778 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
2779
2780         PR rtl-optimization/34995
2781         * reload.c (alternative_allows_const_pool_ref): Take an rtx
2782         parameter and return a bool.  If the rtx parameter is nonnull,
2783         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
2784         (find_reloads): Update call accordingly.  Pass the new operand
2785         if it needed no address reloads, otherwise pass null.
2786
2787 2008-01-30  Richard Henderson  <rth@redhat.com>
2788
2789         PR c/34993
2790         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
2791         for unbounded arrays.
2792
2793 2008-01-30  Silvius Rus  <rus@google.com>
2794
2795         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
2796
2797 2008-01-30  Jan Hubicka  <jh@suse.cz>
2798
2799         PR target/34982
2800         * i386.c (init_cumulative_args): Use real function declaration when
2801         calling locally.
2802
2803 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2804
2805         PR rtl-optimization/34998
2806         * global.c (build_insn_chain): Treat non-subreg_lowpart
2807         SUBREGs of pseudos as clobbering all the words covered by the
2808         SUBREG, not just all the bytes.
2809         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
2810         original df_ref rather than an extract parameter.
2811         (global_conflicts): Update call accordingly.
2812
2813 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
2814
2815         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
2816         the overflow check to make it easier to read.
2817         (__fixtfdi): Change the type of the ll member in union
2818         long_double to UDItype_x.
2819
2820 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
2821
2822         PR middle-end/34969
2823         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
2824         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
2825         * tree-inline.c (fold_marked_statements): Call
2826         cgraph_update_edges_for_call_stmt if folding a call statement.
2827         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
2828         debug_generic_stmt calls, reset it back afterwards.
2829
2830         PR c/35017
2831         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
2832         static decls.
2833         * c-typeck.c (build_external_ref): Don't pedwarn about
2834         static vars in current function's scope.
2835
2836 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
2837
2838         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
2839
2840 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
2841
2842         PR c/35002
2843         * ipa-struct-reorg.c: Fix spelling.
2844         * params.def: Ditto.
2845
2846 2008-01-29  Richard Guenther  <rguenther@suse.de>
2847
2848         PR middle-end/35006
2849         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
2850         field.
2851         * tree-inline.c (remap_type): Increment remapping_type_depth
2852         around remapping types.
2853         (copy_body_r): Only add referenced variables if they are referenced
2854         from code, not types.
2855
2856 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
2857
2858         PR c++/34055
2859         PR c++/34103
2860         PR c++/34219
2861         PR c++/34606
2862         PR c++/34753
2863         PR c++/34754
2864         PR c++/34755
2865         PR c++/34919
2866         PR c++/34961
2867         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
2868         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
2869
2870 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
2871
2872         PR target/34412
2873         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
2874         pointer for tiny stack.
2875
2876 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2877
2878         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
2879
2880 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
2881
2882         * config/vx-common.h: Fix typo in comment.
2883
2884 2008-01-28  Ian Lance Taylor  <iant@google.com>
2885
2886         PR c++/34862
2887         PR c++/33407
2888         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
2889         coalesce pointers if they have different DECL_NO_TBAA_P values.
2890         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
2891         between variables with different DECL_NO_TBAA_P values.
2892
2893 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
2894
2895         PR 31535
2896         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
2897         are not legitimate small data references on SPE targets.
2898
2899 2008-01-28  David Daney  <ddaney@avtrex.com>
2900
2901         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
2902
2903 2008-01-28  David Daney  <ddaney@avtrex.com>
2904
2905         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
2906
2907 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
2908
2909         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
2910         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
2911         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
2912         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
2913         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
2914         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
2915         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
2916         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
2917
2918 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2919
2920         * basic-block.h (condjump_equiv_p): Fix comment.
2921
2922 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2923
2924         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
2925         print_generic_stmt_indented): Fix comment.
2926
2927 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
2928
2929         * configure.ac (__stack_chk_fail): Add detecion for availability
2930         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
2931         * configure: Regenerate.
2932
2933 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
2934
2935         PR middle-end/34688
2936         * final.c (output_addr_const): Handle TRUNCATE.
2937
2938 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
2939
2940         PR target/34711
2941         * tree-ssa-loop-ivopts.c (comp_cost): New type.
2942         (zero_cost, infinite_cost): New constants.
2943         (struct cost_pair): Change type of cost to comp_cost.
2944         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
2945         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
2946         New functions.
2947         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
2948         split_address_cost, ptr_difference_cost, difference_cost,
2949         get_computation_cost_at, get_computation_cost,
2950         determine_use_iv_cost_generic, determine_use_iv_cost_address,
2951         determine_use_iv_cost_condition, determine_use_iv_costs,
2952         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
2953         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
2954         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
2955         Change type of cost to comp_cost.
2956         (determine_iv_cost): Increase cost of non-original ivs, instead
2957         of decreasing the cost of original ones.
2958         (get_address_cost): Indicate the complexity of the addressing mode
2959         in comp_cost.
2960         (try_add_cand_for): Prefer using ivs not specific to some object.
2961         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
2962
2963 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
2964             Janis Johnson  <janis187@us.ibm.com>
2965
2966         PR target/34814
2967         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
2968         (TARGET_INSTANTIATE_DECLS): Likewise.
2969         * target.h (expand_to_rtl_hook): New target hook.
2970         (instantiate_decls): Likewise.
2971         * function.c (instantiate_decl): Make non-static.  Rename to...
2972         (instantiate_decl_rtl): ... this.
2973         (instantiate_expr): Use instantiate_decl_rtl.
2974         (instantiate_decls_1): Likewise.
2975         (instantiate_decls): Likewise.
2976         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
2977         * function.h (instantiate_decl_rtl): Add prototype.
2978         * cfgexpand.c (target.h): New include.
2979         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
2980         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
2981         (TARGET_INSTANTIATE_DECLS): Likewise.
2982         (TARGET_INITIALIZER): New target hooks added.
2983         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
2984         New prototype.
2985         * config/rs6000/rs6000.c (tree-flow.h): New include.
2986         (machine_function): Add sdmode_stack_slot field.
2987         (rs6000_alloc_sdmode_stack_slot): New function.
2988         (rs6000_instantiate_decls): Likewise.
2989         (rs6000_secondary_memory_needed_rtx): Likewise.
2990         (rs6000_check_sdmode): Likewise.
2991         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
2992         (TARGET_INSTANTIATE_DECLS): Likewise.
2993         (rs6000_hard_regno_mode_ok): Allow SDmode.
2994         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
2995         (rs6000_emit_move): Handle SDmode.
2996         (function_arg_advance): Likewise.
2997         (function_arg): Likewise.
2998         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
2999         SDmode var args for 32-bit compiles.
3000         (rs6000_secondary_reload_class): Handle SDmode.
3001         (rs6000_output_function_epilogue): Likewise.
3002         (rs6000_function_value): Simplify if statement.
3003         (rs6000_libcall_value): Likewise.
3004         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3005         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3006         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3007         (movsd_hardfloat): New define_insn.
3008         (movsd_softfloat): Likewise.
3009         (movsd_store): Likewise.
3010         (movsd_load): Likewise.
3011         (extendsddd2): Likewise.
3012         (extendsdtd2): Likewise.
3013         (truncddsd2): Likewise.
3014         (movdd_hardfloat64): Fixup comment.
3015         (UNSPEC_MOVSD_LOAD): New constant.
3016         (UNSPEC_MOVSD_STORE): Likewise.
3017
3018 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3019
3020         PR c++/34965
3021         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3022         TRUTH_XOR_EXPR.
3023         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3024         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3025         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3026         and TRUTH_XOR_EXPR.
3027
3028 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3029
3030         PR target/34794
3031         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3032         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3033         __LONGDOUBLE128 too.
3034         * config/rs6000/aix61.h: New file.
3035
3036 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3037
3038         PR rtl-optimization/34959
3039         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3040         popcount and parity rtxes the same mode as their operand.
3041         Truncate or extend the result to the return value's mode
3042         if necessary.
3043
3044 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3045
3046         PR target/34981
3047         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3048         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3049         to GOT_VERSION_REGNUM.
3050         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3051         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3052         * config/mips/mips.c (mips_emit_call_insn): New function.
3053         (mips_call_tls_get_addr): Call mips_expand_call directly.
3054         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3055         emit_call_insn.
3056         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3057         (mips_expand_call): Update the call to mips16_build_call_stub
3058         accordingly and a remove redundant condition.  Assert that MIPS16
3059         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3060         the call insn.
3061         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3062         TARGET_USE_GOT.
3063         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3064         (mips_avoid_hazard): Remove hazard_set handling.
3065         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3066         (UNSPEC_RESTORE_GP): ...this.
3067         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3068         (FAKE_CALL_REGNO): Rename to...
3069         (GOT_VERSION_REGNUM): ...this.
3070         (type): Add "ghost" value.  Add an associated insn reservation.
3071         (hazard_set): Remove.
3072         (exception_receiver): Rename to...
3073         (restore_gp): ...this and update the unspec identifier accordingly.
3074         (exception_receiver, nonlocal_got_receiver): New expanders.
3075         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3076         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3077         (set_got_version, update_got_version): New patterns.
3078
3079 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3080
3081         PR target/34970
3082         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3083
3084 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3085
3086         PR other/31955
3087         * doc/install.texi2html: Generate gcc-vers.texi.
3088
3089 2008-01-25  DJ Delorie  <dj@redhat.com>
3090
3091         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3092
3093 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3094
3095         * config/c4x: Remove directory.
3096         * config.gcc (crx-*, mt-*): Mark obsolete.
3097         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3098         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3099         sh-*-rtemscoff*): Remove cases.
3100         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3101         * real.c (encode_c4x_single, decode_c4x_single,
3102         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3103         c4x_extended_format): Remove.
3104         * real.h (c4x_single_format, c4x_extended_format): Remove.
3105         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3106         on C4x.
3107         (Pragmas): Remove comment about c4x pragmas.
3108         * doc/install.texi (c4x): Remove target-specific instructions.
3109         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3110         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3111         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3112         refer to C4x source files as examples.
3113         (C4X_FLOAT_FORMAT): Remove documentation.
3114
3115 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3116
3117         * config/bfin/bfin.c (override_options): Reorder tests so that
3118         flag_pic gets enabled for -msep-data.
3119
3120 2008-01-25  Richard Guenther  <rguenther@suse.de>
3121
3122         PR middle-end/32244
3123         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3124         to its bitfield precision if required.
3125
3126 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3127
3128         PR middle-end/33880
3129         * tree-nested.c (walk_omp_for): New function.
3130         (convert_nonlocal_reference, convert_local_reference): Call
3131         walk_omp_for on OMP_FOR.
3132         (convert_call_expr): Call walk_body on OMP_FOR's
3133         OMP_FOR_PRE_INIT_BODY.
3134
3135 2008-01-25  Richard Guenther  <rguenther@suse.de>
3136
3137         PR tree-optimization/34966
3138         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3139         default defs and PHI_NODEs we have to insert after the
3140         defining statement.
3141
3142 2008-01-24  Nick Clifton  <nickc@redhat.com>
3143
3144         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3145         Provide a default definition.
3146         (LIBGCC2_UNITS_PER_WORD): Likewise.
3147
3148         * config/stormy16/stormy16.c: Include df.h for the prototype
3149         for df_regs_ever_live_p.
3150         (xstormy16_expand_builtin_va_start): Convert the stack offset
3151         into a component_ref and then use POINTER_PLUS_EXPR to add it
3152         to the incoming_virtual_args_rtx.
3153         (xstormy16_gimplify_va_arg_expr): Rename to
3154         xstormy16_gimplify_va_arg_expr.
3155         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3156         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3157         xstormy16_gimplify_va_arg_expr.
3158         Fix up some formatting issues.
3159
3160         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3161         Move to predicates.md.
3162         (xs_hi_general_operand): Likewise.
3163         (xs_hi_nonmemory_operand): Likewise.
3164         * config/stormy16/predicates.md:
3165         (xstormy16_carry_plus_operand): New predicate.
3166         (xs_hi_general_operand): New predicate.
3167         (xs_hi_nonmemory_operand): New predicate.
3168         * config/stormy16/stormy16-protos.h:
3169         (xstormy16_carry_plus_operand): Delete prototype.
3170         (xs_hi_general_operand): Likewise.
3171         (xs_hi_nonmemory_operand): Likewise.
3172
3173         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3174         modifiers as they are no longer needed and they can trigger
3175         reload spill failures.
3176
3177         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3178         with a match_operand in order to help reload.
3179
3180         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3181         constraint with 'e' for the 8th alternative as this version of
3182         the mov.w instruction only accepts the lower 8 registers.
3183
3184 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3185
3186         PR target/34856
3187         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3188         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3189         vector elements.
3190
3191 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3192
3193         PR middle-end/33333
3194         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3195
3196 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3197
3198         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3199         New functions.
3200         (remove_structure): Update allocations list before removing structure.
3201
3202 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3203
3204         * ipa-struct-reorg.c (is_safe_cond_expr,
3205         create_new_stmts_for_cond_expr): Use integer_zerop function,
3206         that recognize not only zero-pointer, but zero-integer too.
3207
3208 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3209
3210         PR other/22232
3211         * fixproto: Escape "." in sed expression that strips leading "./".
3212
3213 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3214
3215         PR driver/34904
3216         * gcc.c (SWITCH_OK): Removed.
3217         (SWITCH_LIVE): Changed to bit.
3218         (SWITCH_FALSE): Likewise.
3219         (SWITCH_IGNORE): Likewise.
3220         (switchstr): Change live_cond to unsigned int.
3221         (process_command): Replace SWITCH_OK with 0.
3222         (do_self_spec): Likewise.
3223         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3224         (give_switch): Likewise.
3225         (used_arg): Likewise.
3226         (do_spec_1): Set the SWITCH_IGNORE bit.
3227         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3228         bits.  Set the SWITCH_LIVE bit.
3229
3230 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3231
3232         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3233
3234 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3235
3236         PR tree-optimization/34472
3237         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3238         parameter to a "bool *" and set *DATA to false if there is
3239         an unsafe access.  Do not delete the structure here.
3240         (check_cond_exprs): Delete it here instead.
3241         (check_cond_exprs, exclude_cold_structs): Do not increase
3242         I when removing a structure.
3243
3244 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3245
3246         PR target/34856
3247         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3248         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3249
3250 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3251
3252         PR middle-end/34934
3253         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3254         a fixed vector for stack.
3255
3256 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3257
3258         PR c++/25701
3259         * doc/gcc.texi (Software development): Add a direntry for g++.
3260
3261 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3262
3263         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3264         stale and straggling -fforce-addr comments above.
3265
3266         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3267         define.
3268         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3269         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3270
3271 2008-01-23  Michael Matz  <matz@suse.de>
3272
3273         PR debug/34895
3274         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3275         gen_type_die.
3276
3277 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3278
3279         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3280         malloc result type.
3281
3282 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3283
3284         * config/avr/avr.c (avr_current_arch): New variable.
3285         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3286         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3287         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3288         (avr_override_options): Init 'avr_current_arch'.
3289         (base_arch_s): Move from here...
3290         * config/avr/avr.h (base_arch_s): ... here. Add new members
3291         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3292         'mega' to 'have_jmp_call'.
3293         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3294         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3295         macros.
3296         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3297         architectures.
3298         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3299         MULTILIB_MATCHES): (Ditto.).
3300
3301 2008-01-23  Richard Guenther  <rguenther@suse.de>
3302
3303         PR middle-end/31529
3304         * cgraphunit.c (cgraph_reset_node): Always mark the node
3305         not reachable if it is not queued already.
3306
3307 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3308
3309         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3310         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3311         (cputype_selected): New static variable.
3312         (bfin_handle_option): Set it if -mcpu is used.
3313         (override_option): Select default set of workarounds if no cpu type
3314         selected on the command line.
3315         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
3316
3317         From  Michael Frysinger  <michael.frysinger@analog.com>
3318         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
3319         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
3320
3321         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
3322         for bf547, bf523, bf524, and bf526.
3323         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
3324         bf526.
3325         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
3326         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
3327         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
3328         __ADSPBF547__ and __ADSPBF54x__ for bf547.
3329         * doc/invoke.texi (Blackfin Options): Document that
3330         -mcpu now accept bf547, bf523, bf524, and bf526.
3331
3332 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
3333
3334         PR rtl-optimization/34628
3335         * combine.c (try_combine): Stop and undo after the first combination
3336         if an autoincrement side-effect on the first insn has effectively
3337         been lost.
3338
3339 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
3340
3341         PR target/34529
3342         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
3343         Offset addresses are not valid for Altivec or paired float modes.
3344
3345 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
3346
3347         PR c++/34607
3348         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
3349         if DECL_INITIAL (decl) is error_mark_node.
3350
3351         PR c++/34914
3352         * c-common.c (handle_vector_size_attribute): Only allow
3353         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
3354         the same way as pointer, array etc. types.
3355         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
3356
3357         PR c++/34917
3358         * tree.c (build_type_attribute_qual_variant): Call
3359         build_qualified_type if attributes are equal, but quals are not.
3360
3361 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3362
3363         PR 32102
3364         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
3365         * flags.h (warn_strict_aliasing): Remove.
3366         (warn_strict_overflow): Remove.
3367         * opts.c (warn_strict_aliasing): Remove.
3368         (warn_strict_overflow): Remove.
3369         * c-opts.c (c_common_handle_option): -Wall only sets
3370         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
3371         (c_common_post_options): Give default values to -Wstrict-aliasing
3372         and -Wstrict-overflow if they are uninitialized.
3373         * common.opt (Wstrict-aliasing): Specify Var and Init.
3374         (Wstrict-overflow): Likewise.
3375
3376 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
3377
3378         PR rtl-optimization/26854
3379         PR rtl-optimization/34400
3380         PR rtl-optimization/34884
3381         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
3382         DF_RD->gen.
3383         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
3384         (df_rd_bb_info.expanded_lr_out): Deleted
3385         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
3386         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
3387         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3388         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3389         Removed code to allocate, initialize or free expanded_lr_out.
3390         (df_rd_bb_local_compute_process_def): Restructured to make more
3391         understandable.
3392         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
3393         sets if the sets are being trimmed.
3394
3395 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
3396
3397         PR bootstrap/32287
3398         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
3399         (as_vers): Likewise.
3400         * configure: Regenerated.
3401
3402 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3403
3404         PR middle-end/33092
3405         * tree-pass.h (pass_build_alias): New pass.
3406         * tree-ssa-alias.c (gate_build_alias): New.
3407         (pass_build_alias): New.
3408         * passes.c (init_optimization_passes): Add pass_build_alias after
3409         pass_create_structure_vars.
3410
3411 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
3412
3413         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
3414         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
3415         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
3416         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
3417         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
3418         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
3419         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
3420         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
3421         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
3422         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
3423         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
3424         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
3425         * config/s390/s390.md (FP_ALL): New mode iterator.
3426         (_d): New mode attribute.
3427         ("*signbit<mode>2>"): Changed mode of first operand.
3428         ("isinf<mode>2"): Changed mode of first operand.
3429         ("*TDC_insn"): Adaptation for DFP modes.
3430
3431 2008-01-22  Ben Elliston  <bje@au.ibm.com>
3432
3433         * tree.c (check_qualified_type): Improve function description.
3434
3435 2008-01-21  Jason Merrill  <jason@redhat.com>
3436
3437         PR c++/34196
3438         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
3439         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
3440         if it is set.
3441
3442 2008-01-21  DJ Delorie  <dj@redhat.com>
3443
3444         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
3445         return zero.
3446
3447 2008-01-21  Richard Guenther  <rguenther@suse.de>
3448
3449         PR middle-end/34856
3450         * tree-cfg.c (verify_expr): Allow all invariant expressions
3451         instead of just constant class ones as reference argument.
3452         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
3453         like any other constant.
3454         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3455
3456 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
3457
3458         * regmove.c (fixup_match_1): Update call crossed frequencies.
3459
3460 2008-01-21  Richard Guenther  <rguenther@suse.de>
3461
3462         PR c/34885
3463         * tree-inline.c (setup_one_parameter): Deal with mismatched
3464         types using a VIEW_CONVERT_EXPR.
3465
3466 2008-01-21  Alon Dayan  <alond@il.ibm.com>
3467             Olga Golovanevsky  <olga@il.ibm.com>
3468
3469         PR tree-optimization/34701
3470         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
3471         when the structure size is not a power of 2.
3472
3473 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
3474
3475         * doc/install.texi: Add doc for --enable-checking=df.
3476
3477 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3478
3479         PR rtl-optimization/34808
3480         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
3481
3482 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3483
3484         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
3485         input.
3486
3487 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
3488
3489         PR rtl-optimization/26854
3490         PR rtl-optimization/34400
3491         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
3492         DF_RD->gen.
3493         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
3494         (df_rd_bb_info.expanded_lr_out): New.
3495         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
3496         * loop_iv.c (iv_analysis_loop_init): Ditto.
3497         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
3498         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
3499         Added code to allocate, initialize or free expanded_lr_out.
3500         (df_rd_bb_local_compute_process_def): Restructured to make
3501         more understandable.
3502         (df_rd_confluence_n): Add code to do nothing with fake edges and
3503         code to no apply invalidate_by_call sets if the sets are being trimmed.
3504         (df_lr_local_finalize): Renamed to df_lr_finalize.
3505         (df_live_local_finalize): Renamed to df_live_finalize.
3506
3507 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
3508
3509         PR target/34831
3510         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
3511         deciding whether to use reciprocal instructions.
3512
3513 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
3514
3515         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
3516         dwarf2out_note_section_used if cold_text_section is NULL.
3517
3518 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
3519
3520         PR gcov-profile/34610
3521         * tree-cfg.c (make_edges): Mark both outgoing edges from
3522         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
3523         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
3524         from OMP_FOR and OMP_CONTINUE outgoing edges.
3525
3526         * tree-profile.c (tree_profiling): Return early if
3527         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
3528         at the end.
3529         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
3530         from cfun to child_cfun.
3531         * function.h (struct function): Add after_tree_profile bit.
3532
3533 2008-01-19 Anatoly Sokolov <aesok@post.ru>
3534
3535         * config/avr/avr.S (_exit): Disable interrupt.
3536
3537 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
3538             Steven Bosscher  <stevenb.gcc@gmail.com>
3539
3540         PR rtl-optimization/26854
3541         PR rtl-optimization/34400
3542         * df-problems.c (df_live_scratch): New scratch bitmap.
3543         (df_live_alloc): Allocate df_live_scratch when doing df_live.
3544         (df_live_reset): Clear the proper bitmaps.
3545         (df_live_bb_local_compute): Only process the artificial defs once
3546         since the order is not important.
3547         (df_live_init): Init the df_live sets only with the variables
3548         found live by df_lr.
3549         (df_live_transfer_function): Use the df_lr sets to prune the
3550         df_live sets as they are being computed.
3551         (df_live_free): Free df_live_scratch.
3552
3553 2008-01-18  Ian Lance Taylor  <iant@google.com>
3554
3555         * common.opt: Add fmerge-debug-strings.
3556         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
3557         flag_merge_debug_strings rather than flag_merge_constants.
3558         * doc/invoke.texi (Option Summary): Mention
3559         -fmerge-debug-strings.
3560         (Debugging Options): Document -fmerge-debug-strings.
3561
3562 2008-01-18  Ian Lance Taylor  <iant@google.com>
3563
3564         PR c++/33407
3565         * tree.h (DECL_IS_OPERATOR_NEW): Define.
3566         (struct tree_function_decl): Add new field operator_new_flag.
3567         * tree-inline.c (expand_call_inline): When inlining a call to
3568         operator new, force the return value to go into a variable, and
3569         set DECL_NO_TBAA_P on that variable.
3570         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
3571
3572 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
3573
3574         PR debug/34484
3575         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
3576         DWARF2_DEBUGGING_INFO.
3577         (dwarf2out_note_section_used): Ditto.  Add prototype.
3578         (have_multiple_function_sections, text_section_used,
3579         cold_text_section_used, *cold_text_sections): Move declarations
3580         before their uses.
3581
3582 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
3583
3584         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
3585         field and add signal_ra.
3586         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
3587         assignments to frame state pc.  Move end of stack check after
3588         MD_FALLBACK_FRAME_STATE_FOR.
3589         (uw_update_context_1): Use frame state signal_regs if set, instead
3590         of checking signal_frame flag.
3591         (uw_update_context): Use frame state signal_ra if set.
3592         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
3593         * config/xtensa/linux-unwind.h: New file.
3594
3595 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
3596
3597         * modulo-sched.c (get_sched_window): Fix comment typo.
3598
3599 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
3600
3601         PR tree-optimization/34648
3602         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
3603
3604 2008-01-17  Anatoly Sokolov <aesok@post.ru>
3605
3606         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
3607         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
3608
3609 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
3610
3611         PR rtl-optimization/34400
3612         * df-core.c (df_worklist_dataflow_overeager,
3613         df_worklist_dataflow_doublequeue): New functions.
3614         (df_worklist_dataflow): Two different worklist solvers.
3615         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
3616         New param.
3617
3618 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3619
3620         PR testsuite/34821
3621         * doc/invoke.texi: Document the dependence on pthread for fopenmp
3622         and ftree-parallelize-loops.
3623
3624 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
3625
3626         PR rtl-optimization/34826
3627         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
3628
3629 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3630
3631         * global.c (find_reg): Mark the eh regs as used if necessary.
3632         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
3633         * ra.h (struct allocno): no_eh_reg field added.  Changed
3634         no_stack_reg type to bitfield.
3635
3636 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
3637
3638         * tree.c (substitute_in_expr): Add missing 'break'.
3639
3640 2008-01-17  Richard Guenther  <rguenther@suse.de>
3641
3642         PR tree-optimization/34825
3643         * tree-ssa-math-opts.c (is_division_by): Do not recognize
3644         x / x as division to handle.
3645
3646 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3647
3648         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
3649         "-pthread" is specified.
3650         * pa-hpux11.h (LIB_SPEC): Likewise.
3651
3652 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
3653             Peter Bergner  <bergner@vnet.ibm.com>
3654
3655         PR rtl-optimization/33796
3656         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
3657
3658 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3659
3660         PR libgfortran/34699
3661         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
3662         static links.
3663         * pa-hpux10.h (LINK_SPEC): Likewise.
3664         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
3665
3666 2008-01-16  Richard Guenther  <rguenther@suse.de>
3667
3668         PR middle-end/32628
3669         * fold-const.c (fold_convert_const_int_from_int): Do not
3670         set overflow if that occured only because of a sign extension
3671         change when converting from/to a sizetype with the same
3672         precision and signedness.
3673
3674 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3675
3676         PR debug/34249
3677         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
3678         location address to the correct place.  Update copyright year.
3679
3680 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3681
3682         * lambda-code.c (lambda_transform_legal_p): Handle the case of
3683         no dependences in the dependence_relations vector.
3684
3685 2008-01-16  Jan Hubicka  <jh@suse.cz>
3686
3687         PR rtl-optimization/31396
3688         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
3689         * cfg.c (dump_reg_info): Print it.
3690         * regs.h (struct reg_info_t): add freq_calls_crossed.
3691         (REG_FREQ_CALLS_CROSSED): New macro.
3692         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
3693         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
3694         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
3695         regmove_optimize): Update call crossed frequencies.
3696         * local-alloc.c (struct qty): Add freq_calls_crossed.
3697         (alloc_qty): Copute freq_calls_crossed.
3698         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
3699         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
3700         * ra.h (struct allocno): Add freq_calls_crossed.
3701
3702 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3703
3704         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
3705         libgomp when compiling with ftree-parallelize-loops.
3706         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
3707
3708 2008-01-16  Richard Guenther  <rguenther@suse.de>
3709
3710         PR tree-optimization/34769
3711         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
3712         * tree.c (int_cst_value): Instead make this function more
3713         permissive in what it accepts as valid input.  Document this
3714         function always sign-extends the value.
3715
3716 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
3717             Richard Guenther  <rguenther@suse.de>
3718
3719         PR c/34668
3720         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
3721         (gimple_fold_indirect_ref_rhs): ... this.
3722         (gimple_fold_indirect_ref): New function with foldings
3723         that preserve lvalueness.
3724         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
3725         * tree-flow.h (gimple_fold_indirect_ref): Declare.
3726         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
3727         to fold an INDIRECT_REF, fall back to the old use of
3728         fold_indirect_ref_1.
3729
3730 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
3731
3732         * tree-data-ref.c (subscript_dependence_tester_1): Call
3733         free_conflict_function.
3734         (compute_self_dependence): Same.
3735
3736 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
3737
3738         PR debug/34249
3739         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
3740         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
3741         function global.
3742         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
3743         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
3744         for DWARF2_UNWIND_INFO targets.
3745
3746 2008-01-16  Richard Guenther  <rguenther@suse.de>
3747
3748         PR c/34768
3749         * c-typeck.c (common_pointer_type): Do not merge inconsistent
3750         type qualifiers for function types.
3751
3752 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
3753
3754         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
3755         loop_iterator li from previous commit.
3756
3757 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
3758
3759         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
3760
3761 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3762
3763         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
3764         (parallelize_loops): Don't parallelize irreducible components.
3765
3766 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3767
3768         PR c++/24924
3769         * c-opts (c_common_post_options): Do not enable CPP
3770         flag_pedantic_errors by default.
3771
3772 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
3773
3774         PR rtl-optimization/31944
3775         * cse.c (remove_pseudo_from_table): New function.
3776         (merge_equiv_classes): Use above function to remove pseudo-registers.
3777         (invalidate): Likewise.
3778
3779 2008-01-13  Richard Guenther  <rguenther@suse.de>
3780
3781         PR middle-end/34601
3782         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
3783         instead of TYPE_MODE to deal with calls from expand_one_error_var.
3784
3785 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
3786
3787         * gcse.c (cprop_jump): Call validate_unshare_change instead of
3788         validate_change to unshare the source of the PC set.
3789
3790 2008-01-12  Jan Hubicka  <jh@suse.cz>
3791
3792         PR middle-end/32135
3793         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
3794         references above array bounds.  This might trigger bounds checks for
3795         pointers to arrays.
3796
3797 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
3798
3799         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
3800         new_replaceable_dependencies.
3801
3802 2008-01-12  Doug Kwan  <dougkwan@google.com>
3803
3804         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
3805         instead of OPT_Wreturn_type in warning due to ignored return type
3806         qualifiers.
3807         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
3808         options included in -Wextra.
3809         * c.opt: New option -Wignored_qualifiers.
3810         * doc/invoke.texi (Warning Options, -Wextra): Add new option
3811         -Wignore_qualifiers.
3812         (-Wignored-qualifiers): Document.
3813         (-Wreturn-type): Remove description of functionality now handled
3814         by -Wignored-qualifiers.
3815
3816 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
3817
3818         PR ada/33788
3819         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
3820         NOP_EXPR if it is between integral types with the same precision.
3821
3822 2008-01-12  Jan Hubicka  <jh@suse.cz>
3823
3824         PR other/28023
3825         * invoke.texi (max-inline-recursive-depth): Fix default value.
3826
3827 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
3828
3829         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
3830         correct type.
3831
3832 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
3833
3834         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
3835
3836 2008-01-11  James E. Wilson  <wilson@specifix.com>
3837
3838         PR target/26015
3839         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
3840
3841 2008-01-11  Anatoly Sokolov <aesok@post.ru>
3842
3843         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
3844         save/restore frame pointer register and don't use 'call-prologues'
3845         optimization in function with "OS_task" attribute.
3846
3847 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
3848
3849         PR middle-end/31309
3850         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
3851         when copying to memory.
3852
3853 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
3854
3855         PR rtl-optimization/30905
3856         * cfgcleanup.c: Include dce.h
3857         (crossjumps_occured): New global variable.
3858         (try_crossjump_bb): Exit loop after finding a fallthru edge.
3859         If something changed, set crossjumps_occured to true.
3860         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
3861         Don't add/remove fake edges to exit here...
3862         (cleanup_cfg): ...but do it here, when crossjumping.
3863         Run a fast DCE when successful crossjumps occured in the latest
3864         iteration of try_optimize_cfg.
3865
3866 2008-01-11  Richard Guenther  <rguenther@suse.de>
3867
3868         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
3869         (struct vn_unary_op_s): Likewise.
3870         (vn_reference_insert): Free old reference on hash collision.
3871
3872 2008-01-10  Raksit Ashok  <raksit@google.com>
3873
3874         PR rtl-optimization/27971
3875         * combine.c (find_split_point): Split PLUS expressions which are
3876         inside a MEM rtx, and whose first operand is complex.
3877
3878 2008-01-10  DJ Delorie  <dj@redhat.com>
3879
3880         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
3881         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
3882         (m32c_hard_regno_ok): Call the underlying function.
3883
3884 2008-01-10  Richard Guenther  <rguenther@suse.de>
3885
3886         PR middle-end/34683
3887         * tree-cfg.c (tree_merge_blocks): Do not go through the
3888         full-blown folding and stmt updating path if we just deal
3889         with virtual operands.
3890         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
3891         test for abnormal SSA_NAMEs.
3892
3893 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3894
3895         PR middle-end/34641
3896         * reload.c (push_reload): Add assertions.  All constants from
3897         reg_equiv_constant should have been used for replacing the respective
3898         pseudo earlier.
3899         (find_reloads_address): Invoke find_reloads_address_part for
3900         constant taken from the reg_equiv_constant array.
3901
3902 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
3903
3904         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
3905         field (valnum) the first in the struct.  Replace bools with
3906         unit bit fields.
3907
3908 2008-01-10  Richard Guenther  <rguenther@suse.de>
3909
3910         PR tree-optimization/34651
3911         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
3912         types and ordering for masking and converting.
3913
3914 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
3915
3916         PR tree-optimization/34017
3917         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
3918         also for PHI_NODE expressions.
3919
3920 2008-01-09  Jan Hubicka  <jh@suse.cz>
3921
3922         PR tree-optimization/34708
3923         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
3924         based on number of case labels.
3925         (init_inline_once): Remove switch_cost.
3926         * tree-inline.h (eni_weights_d): Remove switch_cost.
3927
3928 2008-01-09  Richard Guenther  <rguenther@suse.de>
3929         Andrew Pinski  <andrew_pinski@playstation.sony.com>
3930
3931         PR middle-end/30132
3932         * gimplify.c (gimplify_cond_expr): Do not create an addressable
3933         temporary if an rvalue is ok or an lvalue is not required.
3934
3935 2008-01-09  Richard Guenther  <rguenther@suse.de>
3936
3937         PR middle-end/34458
3938         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
3939         adjust return type.
3940
3941 2008-01-09  Richard Guenther  <rguenther@suse.de>
3942
3943         PR middle-end/34679
3944         * tree.c (host_integerp): Check for sizetype only if the
3945         type is an integer type.
3946
3947 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
3948
3949         PR debug/26364
3950         * opts.c (decode_options): Disable inlining of functions called
3951         once if not in unit-at-a-time mode.
3952
3953 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
3954
3955         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
3956
3957 2008-01-08  Richard Guenther  <rguenther@suse.de>
3958
3959         PR middle-end/31863
3960         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
3961         out early if the result will be unused.
3962
3963 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3964
3965         PR target/34709
3966         Revert:
3967
3968         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
3969         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
3970         for TARGET_RECIP.
3971
3972 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
3973
3974         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
3975         for vectorization tuned.
3976
3977 2008-01-08  Richard Guenther  <rguenther@suse.de>
3978
3979         PR tree-optimization/34683
3980         * tree-ssa-operands.c (operand_build_cmp): Export.
3981         * tree-ssa-operands.h (operand_build_cmp): Declare.
3982         * tree-vn.c (vuses_compare): Remove.
3983         (sort_vuses): Use operand_build_cmp.
3984         (sort_vuses_heap): Likewise.
3985         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
3986         to re-use old VEC if available.  Do not sort already sorted VUSEs.
3987         (vdefs_to_vec): Do not sort already sorted VDEFs.
3988
3989 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
3990
3991         PR middle-end/34694
3992         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
3993
3994 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
3995
3996         PR target/34702
3997         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
3998         limitations of reciprocal sequences on x86 targets.
3999
4000 2008-01-08  Richard Guenther  <rguenther@suse.de>
4001
4002         PR tree-optimization/34683
4003         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4004
4005 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4006
4007         PR target/34622
4008         * config/darwin.c (darwin_mergeable_string_section): Don't use
4009         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4010
4011 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4012
4013         PR target/34682
4014         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4015         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4016         predicates of op0 and op1 to register_operand.
4017         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4018         expander using X87MODEF mode iterator.  Change predicates of
4019         op0 and op1 to register_operand.
4020         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4021         corresponding patterns and macroize using MODEF macro.  Change
4022         predicates of op0 and op1 to register_operand and remove
4023         "m" constraint. Disparage "r" alternative with "!".
4024         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4025         macroize using X87MODEF macro.  Change predicates of op0 and op1
4026         to register_operand and remove "m" constraint.  Disparage "r"
4027         alternative with "!".
4028         (absneg splitter with memory operands): Remove.
4029         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4030         patterns and macroize using X87MODEF mode iterator.
4031         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4032         Change predicate of op1 to register_operand.
4033         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4034         for memory operands.
4035
4036 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4037
4038         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4039
4040 2008-01-07  Richard Guenther  <rguenther@suse.de>
4041
4042         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4043         fields.
4044
4045 2008-01-07  Richard Guenther  <rguenther@suse.de>
4046
4047         PR tree-optimization/34683
4048         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4049         VOPs of the needed size to save memory.  Use VEC_quick_push
4050         to save compile-time.
4051         (vdefs_to_vec): Likewise.
4052
4053 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4054
4055         * config/spu/spu.md (divdf3): Genetate inline code for double
4056         division.  The implementation doesn't handle INF or NAN, therefore it
4057         only applies when -ffinite-math-only is given.
4058
4059 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4060
4061         PR libstdc++/34680
4062         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4063         * doc/cpp.texi ([Common Predefined Macros]): Document.
4064
4065 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4066
4067         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4068         order to use commutative addition instead of subtraction.
4069
4070 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4071             Mircea Namolaru  <namolaru@il.ibm.com>
4072             Vladimir Yanovsky  <yanov@il.ibm.com>
4073             Revital Eres  <eres@il.ibm.com>
4074
4075         PR tree-optimization/34263
4076         * tree-outof-ssa.c (process_single_block_loop_latch,
4077         contains_tree_r): New functions.
4078         (analyze_edges_for_bb): Call process_single_block_loop_latch
4079         function to empty single-basic-block latch block if possible.
4080
4081 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4082
4083         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4084         for TARGET_RECIP.
4085         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4086
4087 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4088
4089         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4090
4091 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4092
4093         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4094
4095 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4096
4097         PR tree-optimization/34618
4098         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4099         flag from T.
4100
4101 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4102
4103         PR target/34673
4104         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4105         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4106         Update copyright year.
4107
4108         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4109         Update copyright year.
4110         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4111         using NR fixup.
4112
4113 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4114
4115         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4116         edge does not point to current bb before changing need_assert.
4117
4118 2008-01-04  Richard Guenther  <rguenther@suse.de>
4119
4120         PR middle-end/34029
4121         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4122         for verifying purposes if they are is_gimple_min_invariant.
4123
4124 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4125
4126         PR tree-optimization/34448
4127         PR tree-optimization/34465
4128         * gimplify.c (gimplify_init_constructor): Add new parameter
4129         notify_temp_creation.  Use it.
4130         (gimplify_modify_expr_rhs): Take volatiles into account when
4131         optimizing constructors.
4132         Do not optimize constructors if gimplify_init_constructor will dump to
4133         memory.
4134         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4135         * gcc.c-torture/compile/pr34448.c: New.
4136
4137 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4138
4139         PR gcov-profile/34609
4140         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4141         return_slot if result is TREE_ADDRESSABLE.
4142
4143 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4144
4145         * config/mips/mips.md (sqrt_condition): Tweak comment.
4146         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4147
4148 2008-01-03  Tom Tromey  <tromey@redhat.com>
4149
4150         PR c/34457
4151         * c-common.c (c_type_hash): Handle VLAs.
4152
4153 2008-01-03  Jan Hubicka  <jh@suse.cz>
4154
4155         PR tree-optimization/31081
4156         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4157         0 when inlining and not inlining to first basic block.
4158         (remap_decl): When var is initialized to 0, don't set default_def.
4159         (expand_call_inline): Set entry_bb.
4160         * tree-inline.h (copy_body_data): Add entry_bb.
4161
4162 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4163
4164         PR c++/34619
4165         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4166         before returning.
4167
4168         PR tree-optimization/29484
4169         * tree-inline.c (inline_forbidden_p_2): New function.
4170         (inline_forbidden_p): Disallow inlining if some static var
4171         has an address of a local LABEL_DECL in its initializer.
4172         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4173         vs. inlining.
4174
4175 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4176
4177         PR tree-optimization/34635
4178         * tree-data-ref.c (add_other_self_distances): Make sure that the
4179         evolution step is constant.
4180
4181 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4182
4183         PR middle-end/34608
4184         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4185
4186 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4187
4188         * tree-sra.c (scalarize_init): Insert the generate_element_init
4189         statements after the generate_element_zero statements.
4190
4191 2008-01-02  Richard Guenther  <rguenther@suse.de>
4192
4193         PR middle-end/34093
4194         PR middle-end/31976
4195         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4196         for very large number of operands instead of ICEing.
4197
4198 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4199
4200         PR target/34013
4201         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4202         while stack probing.
4203
4204 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4205
4206         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4207         in C++0x mode.
4208
4209 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4210
4211         PR libmudflap/26442
4212         * tree-mudflap.c (mx_register_decls): Guard warning by
4213         !DECL_ARTIFICIAL check.
4214
4215 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4216
4217         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4218         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4219         sse5_perm<mode>): Fix constraints.