gcc/ChangeLog

   1 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
   2
   3         * tree-data-ref.c (subscript_dependence_tester_1): Call
   4         free_conflict_function.
   5         (compute_self_dependence): Same.
   6
   7 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         PR debug/34249
  10         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
  11         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
  12         function global.
  13         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
  14         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
  15         for DWARF2_UNWIND_INFO targets.
  16
  17 2008-01-16  Richard Guenther  <rguenther@suse.de>
  18
  19         PR c/34768
  20         * c-typeck.c (common_pointer_type): Do not merge inconsistent
  21         type qualifiers for function types.
  22
  23 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
  24
  25         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
  26         loop_iterator li from previous commit.
  27
  28 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
  29
  30         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
  31
  32 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  33
  34         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
  35         (parallelize_loops): Don't parallelize irreducible components.
  36
  37 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
  38
  39         PR c++/24924
  40         * c-opts (c_common_post_options): Do not enable CPP
  41         flag_pedantic_errors by default.
  42
  43 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
  44
  45         PR rtl-optimization/31944
  46         * cse.c (remove_pseudo_from_table): New function.
  47         (merge_equiv_classes): Use above function to remove pseudo-registers.
  48         (invalidate): Likewise.
  49
  50 2008-01-13  Richard Guenther  <rguenther@suse.de>
  51
  52         PR middle-end/34601
  53         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
  54         instead of TYPE_MODE to deal with calls from expand_one_error_var.
  55
  56 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
  57
  58         * gcse.c (cprop_jump): Call validate_unshare_change instead of
  59         validate_change to unshare the source of the PC set.
  60
  61 2008-01-12  Jan Hubicka  <jh@suse.cz>
  62
  63         PR middle-end/32135
  64         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
  65         references above array bounds.  This might trigger bounds checks for
  66         pointers to arrays.
  67
  68 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
  69
  70         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
  71         new_replaceable_dependencies.
  72
  73 2008-01-12  Doug Kwan  <dougkwan@google.com>
  74
  75         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
  76         instead of OPT_Wreturn_type in warning due to ignored return type
  77         qualifiers.
  78         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
  79         options included in -Wextra.
  80         * c.opt: New option -Wignored_qualifiers.
  81         * doc/invoke.texi (Warning Options, -Wextra): Add new option
  82         -Wignore_qualifiers.
  83         (-Wignored-qualifiers): Document.
  84         (-Wreturn-type): Remove description of functionality now handled
  85         by -Wignored-qualifiers.
  86
  87 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
  88
  89         PR ada/33788
  90         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
  91         NOP_EXPR if it is between integral types with the same precision.
  92
  93 2008-01-12  Jan Hubicka  <jh@suse.cz>
  94
  95         PR other/28023
  96         * invoke.texi (max-inline-recursive-depth): Fix default value.
  97
  98 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
  99
 100         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
 101         correct type.
 102
 103 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
 104
 105         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
 106
 107 2008-01-11  James E. Wilson  <wilson@specifix.com>
 108
 109         PR target/26015
 110         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
 111
 112 2008-01-11  Anatoly Sokolov <aesok@post.ru>
 113
 114         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
 115         save/restore frame pointer register and don't use 'call-prologues'
 116         optimization in function with "OS_task" attribute.
 117
 118 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
 119
 120         PR middle-end/31309
 121         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
 122         when copying to memory.
 123
 124 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
 125
 126         PR rtl-optimization/30905
 127         * cfgcleanup.c: Include dce.h
 128         (crossjumps_occured): New global variable.
 129         (try_crossjump_bb): Exit loop after finding a fallthru edge.
 130         If something changed, set crossjumps_occured to true.
 131         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
 132         Don't add/remove fake edges to exit here...
 133         (cleanup_cfg): ...but do it here, when crossjumping.
 134         Run a fast DCE when successful crossjumps occured in the latest
 135         iteration of try_optimize_cfg.
 136
 137 2008-01-11  Richard Guenther  <rguenther@suse.de>
 138
 139         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
 140         (struct vn_unary_op_s): Likewise.
 141         (vn_reference_insert): Free old reference on hash collision.
 142
 143 2008-01-10  Raksit Ashok  <raksit@google.com>
 144
 145         PR rtl-optimization/27971
 146         * combine.c (find_split_point): Split PLUS expressions which are
 147         inside a MEM rtx, and whose first operand is complex.
 148
 149 2008-01-10  DJ Delorie  <dj@redhat.com>
 150
 151         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
 152         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
 153         (m32c_hard_regno_ok): Call the underlying function.
 154
 155 2008-01-10  Richard Guenther  <rguenther@suse.de>
 156
 157         PR middle-end/34683
 158         * tree-cfg.c (tree_merge_blocks): Do not go through the
 159         full-blown folding and stmt updating path if we just deal
 160         with virtual operands.
 161         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
 162         test for abnormal SSA_NAMEs.
 163
 164 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
 165
 166         PR middle-end/34641
 167         * reload.c (push_reload): Add assertions.  All constants from
 168         reg_equiv_constant should have been used for replacing the respective
 169         pseudo earlier.
 170         (find_reloads_address): Invoke find_reloads_address_part for
 171         constant taken from the reg_equiv_constant array.
 172
 173 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
 174
 175         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
 176         field (valnum) the first in the struct.  Replace bools with
 177         unit bit fields.
 178
 179 2008-01-10  Richard Guenther  <rguenther@suse.de>
 180
 181         PR tree-optimization/34651
 182         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
 183         types and ordering for masking and converting.
 184
 185 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
 186
 187         PR tree-optimization/34017
 188         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
 189         also for PHI_NODE expressions.
 190
 191 2008-01-09  Jan Hubicka  <jh@suse.cz>
 192
 193         PR tree-optimization/34708
 194         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
 195         based on number of case labels.
 196         (init_inline_once): Remove switch_cost.
 197         * tree-inline.h (eni_weights_d): Remove switch_cost.
 198
 199 2008-01-09  Richard Guenther  <rguenther@suse.de>
 200         Andrew Pinski  <andrew_pinski@playstation.sony.com>
 201
 202         PR middle-end/30132
 203         * gimplify.c (gimplify_cond_expr): Do not create an addressable
 204         temporary if an rvalue is ok or an lvalue is not required.
 205
 206 2008-01-09  Richard Guenther  <rguenther@suse.de>
 207
 208         PR middle-end/34458
 209         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
 210         adjust return type.
 211
 212 2008-01-09  Richard Guenther  <rguenther@suse.de>
 213
 214         PR middle-end/34679
 215         * tree.c (host_integerp): Check for sizetype only if the
 216         type is an integer type.
 217
 218 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
 219
 220         PR debug/26364
 221         * opts.c (decode_options): Disable inlining of functions called
 222         once if not in unit-at-a-time mode.
 223
 224 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
 225
 226         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
 227
 228 2008-01-08  Richard Guenther  <rguenther@suse.de>
 229
 230         PR middle-end/31863
 231         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
 232         out early if the result will be unused.
 233
 234 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 235
 236         PR target/34709
 237         Revert:
 238
 239         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 240         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 241         for TARGET_RECIP.
 242
 243 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
 244
 245         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
 246         for vectorization tuned.
 247
 248 2008-01-08  Richard Guenther  <rguenther@suse.de>
 249
 250         PR tree-optimization/34683
 251         * tree-ssa-operands.c (operand_build_cmp): Export.
 252         * tree-ssa-operands.h (operand_build_cmp): Declare.
 253         * tree-vn.c (vuses_compare): Remove.
 254         (sort_vuses): Use operand_build_cmp.
 255         (sort_vuses_heap): Likewise.
 256         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
 257         to re-use old VEC if available.  Do not sort already sorted VUSEs.
 258         (vdefs_to_vec): Do not sort already sorted VDEFs.
 259
 260 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
 261
 262         PR middle-end/34694
 263         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
 264
 265 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
 266
 267         PR target/34702
 268         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
 269         limitations of reciprocal sequences on x86 targets.
 270
 271 2008-01-08  Richard Guenther  <rguenther@suse.de>
 272
 273         PR tree-optimization/34683
 274         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
 275
 276 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
 277
 278         PR target/34622
 279         * config/darwin.c (darwin_mergeable_string_section): Don't use
 280         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
 281
 282 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
 283
 284         PR target/34682
 285         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
 286         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
 287         predicates of op0 and op1 to register_operand.
 288         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
 289         expander using X87MODEF mode iterator.  Change predicates of
 290         op0 and op1 to register_operand.
 291         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
 292         corresponding patterns and macroize using MODEF macro.  Change
 293         predicates of op0 and op1 to register_operand and remove
 294         "m" constraint. Disparage "r" alternative with "!".
 295         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
 296         macroize using X87MODEF macro.  Change predicates of op0 and op1
 297         to register_operand and remove "m" constraint.  Disparage "r"
 298         alternative with "!".
 299         (absneg splitter with memory operands): Remove.
 300         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
 301         patterns and macroize using X87MODEF mode iterator.
 302         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
 303         Change predicate of op1 to register_operand.
 304         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
 305         for memory operands.
 306
 307 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
 308
 309         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
 310
 311 2008-01-07  Richard Guenther  <rguenther@suse.de>
 312
 313         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
 314         fields.
 315
 316 2008-01-07  Richard Guenther  <rguenther@suse.de>
 317
 318         PR tree-optimization/34683
 319         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
 320         VOPs of the needed size to save memory.  Use VEC_quick_push
 321         to save compile-time.
 322         (vdefs_to_vec): Likewise.
 323
 324 2008-01-07  Sa Liu  <saliu@de.ibm.com>
 325
 326         * config/spu/spu.md (divdf3): Genetate inline code for double
 327         division.  The implementation doesn't handle INF or NAN, therefore it
 328         only applies when -ffinite-math-only is given.
 329
 330 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
 331
 332         PR libstdc++/34680
 333         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
 334         * doc/cpp.texi ([Common Predefined Macros]): Document.
 335
 336 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
 337
 338         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
 339         order to use commutative addition instead of subtraction.
 340
 341 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 342             Mircea Namolaru  <namolaru@il.ibm.com>
 343             Vladimir Yanovsky  <yanov@il.ibm.com>
 344             Revital Eres  <eres@il.ibm.com>
 345
 346         PR tree-optimization/34263
 347         * tree-outof-ssa.c (process_single_block_loop_latch,
 348         contains_tree_r): New functions.
 349         (analyze_edges_for_bb): Call process_single_block_loop_latch
 350         function to empty single-basic-block latch block if possible.
 351
 352 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 353
 354         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
 355         for TARGET_RECIP.
 356         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
 357
 358 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 359
 360         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
 361
 362 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
 363
 364         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
 365
 366 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
 367
 368         PR tree-optimization/34618
 369         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
 370         flag from T.
 371
 372 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
 373
 374         PR target/34673
 375         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
 376         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
 377         Update copyright year.
 378
 379         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
 380         Update copyright year.
 381         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
 382         using NR fixup.
 383
 384 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
 385
 386         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
 387         edge does not point to current bb before changing need_assert.
 388
 389 2008-01-04  Richard Guenther  <rguenther@suse.de>
 390
 391         PR middle-end/34029
 392         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
 393         for verifying purposes if they are is_gimple_min_invariant.
 394
 395 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
 396
 397         PR tree-optimization/34448
 398         PR tree-optimization/34465
 399         * gimplify.c (gimplify_init_constructor): Add new parameter
 400         notify_temp_creation.  Use it.
 401         (gimplify_modify_expr_rhs): Take volatiles into account when
 402         optimizing constructors.
 403         Do not optimize constructors if gimplify_init_constructor will dump to
 404         memory.
 405         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
 406         * gcc.c-torture/compile/pr34448.c: New.
 407
 408 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
 409
 410         PR gcov-profile/34609
 411         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
 412         return_slot if result is TREE_ADDRESSABLE.
 413
 414 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
 415
 416         * config/mips/mips.md (sqrt_condition): Tweak comment.
 417         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
 418
 419 2008-01-03  Tom Tromey  <tromey@redhat.com>
 420
 421         PR c/34457
 422         * c-common.c (c_type_hash): Handle VLAs.
 423
 424 2008-01-03  Jan Hubicka  <jh@suse.cz>
 425
 426         PR tree-optimization/31081
 427         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
 428         0 when inlining and not inlining to first basic block.
 429         (remap_decl): When var is initialized to 0, don't set default_def.
 430         (expand_call_inline): Set entry_bb.
 431         * tree-inline.h (copy_body_data): Add entry_bb.
 432
 433 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 434
 435         PR c++/34619
 436         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
 437         before returning.
 438
 439         PR tree-optimization/29484
 440         * tree-inline.c (inline_forbidden_p_2): New function.
 441         (inline_forbidden_p): Disallow inlining if some static var
 442         has an address of a local LABEL_DECL in its initializer.
 443         * doc/extend.texi (Labels as Values): Document &&foo behaviour
 444         vs. inlining.
 445
 446 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
 447
 448         PR tree-optimization/34635
 449         * tree-data-ref.c (add_other_self_distances): Make sure that the
 450         evolution step is constant.
 451
 452 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
 453
 454         PR middle-end/34608
 455         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
 456
 457 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
 458
 459         * tree-sra.c (scalarize_init): Insert the generate_element_init
 460         statements after the generate_element_zero statements.
 461
 462 2008-01-02  Richard Guenther  <rguenther@suse.de>
 463
 464         PR middle-end/34093
 465         PR middle-end/31976
 466         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
 467         for very large number of operands instead of ICEing.
 468
 469 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
 470
 471         PR target/34013
 472         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
 473         while stack probing.
 474
 475 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
 476
 477         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
 478         in C++0x mode.
 479
 480 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
 481
 482         PR libmudflap/26442
 483         * tree-mudflap.c (mx_register_decls): Guard warning by
 484         !DECL_ARTIFICIAL check.
 485
 486 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
 487
 488         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
 489         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
 490         sse5_perm<mode>): Fix constraints.