gcc/ChangeLog

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