gcc/ChangeLog

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