gcc/ChangeLog

   1 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
   2
   3         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
   4         record with the type of its only member.
   5
   6 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
   7
   8         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
   9         define_insn_and_split.
  10         (plus_ltu<mode>_compare): Same.
  11         (gtu<mode>_compare): Same.
  12         (plus_gtu<mode>_compare): Same.
  13
  14 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
  15
  16         PR tree-optimization/22228
  17         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
  18         todo_flags_start.
  19         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
  20         are recorded in vect_vnames_to_rename for renaming.
  21         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
  22         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
  23         in vect_vnames_to_rename.
  24         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
  25         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
  26
  27 2005-08-18  Jan Hubicka  <jh@suse.cz>
  28
  29         PR c++/22034
  30         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
  31         info only for local statics, not for member variables.
  32
  33 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  34
  35         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
  36
  37 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
  38
  39         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
  40
  41 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
  42
  43         PR middle-end/16045
  44         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
  45
  46 2005-08-17  James E Wilson  <wilson@specifix.com>
  47
  48         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
  49         array size check.
  50
  51 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
  52
  53         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
  54         (leu<mode>_compare): Same.
  55         (plus_leu<mode>): Same.
  56         (neg_leu<mode>): Same.
  57         (and_neg_leu<mode): Same.
  58         (ltu<mode>_compare): Same.
  59         (plus_ltu<mode>): Same.
  60         (geu<mode>): Same.
  61         (geu<mode>_compare): Same.
  62         (plus_geu<mode>): Same.
  63         (neg_geu<mode>): Same.
  64         (and_neg_geu<mode>): Same.
  65         (plus_gt<mode>): Same.
  66         (gtu<mode>_compare): Same.
  67         (plus_gtu<mode>): Same.
  68
  69 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
  70
  71         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
  72         Move call_table_data to end.  Delete spurious .text.
  73         (callt_save_all_interrupt): Fix comment typo.
  74
  75 2005-08-17  James E Wilson  <wilson@specifix.com>
  76             Kevin Winchester  <winchester@amirix.com>
  77
  78         PR target/21684
  79         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
  80
  81 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
  82
  83         PR target/23268
  84         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
  85         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
  86
  87 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
  88
  89         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
  90         record with the type of its only member if the modes don't match.
  91
  92         * varasm.c (decode_reg_name): Skip empty additional register names.
  93
  94 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
  95
  96         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
  97         lsm_tmp_name_length): New.
  98         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
  99         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
 100
 101 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 102             Andreas Krebbel  <krebbel1@de.ibm.com>
 103
 104         * config.gcc: Added z9-109 switch.
 105         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
 106         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
 107         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
 108         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
 109         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
 110         for "z9_109" cpu attribute.
 111         * config/s390/s390.c (z9_109_cost): New processor cost structure.
 112         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
 113         (s390_handle_arch_option): Added z9-109 switch.
 114         (override_options): Set respective cost function for z9-109.
 115         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
 116         (legitimate_reload_constant_p): Accept extended immediates.
 117         (print_operand): Three new output modifiers added: k, m and o.
 118         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
 119         (s390_output_mi_thunk): Use extended immediate when possible.
 120         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
 121         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
 122         (CONSTRAINT_LEN): Added length of O constraint.
 123         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
 124         * config/s390/s390.md ("cpu"): New value z9_109 added.
 125         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
 126         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
 127         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
 128         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
 129         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
 130         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
 131         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
 132         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
 133         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
 134         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
 135         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
 136         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
 137         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
 138         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
 139         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
 140         immediates.
 141         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
 142         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
 143         insns for TARGET_EXTIMM.
 144
 145 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
 146
 147         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
 148
 149 2005-08-17  Nick Clifton  <nickc@redhat.com>
 150
 151         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
 152         Call default_encode_section_info.
 153
 154 2005-08-17  Steven Bosscher  <stevenb@suse.de>
 155
 156         PR tree-optimization/21574
 157         * tree-ssa-ccp.c (likely_value): If the right hand side is a
 158         constant, return CONSTANT.
 159         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
 160         (ccp_fold, visit_assignment): Likewise.
 161         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
 162
 163 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
 164
 165         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
 166         fold_buildN instead of buildN then fold_initializer or fold.
 167         (build_unary_op): Likewise.
 168         (build_binary_op): Likewise.
 169         * fold-const.c (fold_initializer): Remove.
 170         (fold_build1_initializer): New function.
 171         (fold_build2_initializer): New function.
 172         (fold_build3_initializer): New function.
 173         * tree.h (fold_initializer): Remove.
 174         (fold_build1_initializer): New function.
 175         (fold_build2_initializer): New function.
 176         (fold_build3_initializer): New function.
 177
 178 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
 179
 180         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
 181         (try_move_mult_to_index): Call fold_build2 instead of build2.
 182         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
 183         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
 184         fold_binary_to_constant.
 185         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
 186         fold (build.
 187         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
 188         check if A == gcd (A, B).  Remove TYPE argument.
 189         (analyze_offset) Use fold_build2 instead of fold (build.
 190         (create_data_ref): Likewise.
 191         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
 192         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
 193         then fold.
 194
 195 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
 196
 197         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
 198         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
 199
 200 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
 201
 202         PR tree-opt/23402
 203         * gimplify.c (zero_sized_type): New function.
 204         (gimplify_modify_expr_rhs): If we have a zero sized type,
 205         replace the statement with an empty statement.
 206
 207 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
 208
 209         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
 210         fxsave.
 211
 212 2005-08-16  Ian Lance Taylor  <ian@airs.com>
 213
 214         * doc/tm.texi (Label Output): Correct typo.
 215
 216 2005-08-16  Steven Bosscher  <stevenb@suse.de>
 217
 218         PR target/23376
 219         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
 220         force_operand will work later on using have_insn_for.
 221
 222 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 223
 224         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
 225
 226 2005-08-16  Ian Lance Taylor  <ian@airs.com>
 227
 228         PR c++/23337
 229         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
 230         vector type, don't try to construct it element by element.  Add an
 231         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
 232
 233 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 234
 235         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
 236
 237 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
 238
 239         * doc/invoke.texi (Precompiled Headers): Document some more options
 240         which are known to be safe.
 241
 242 2005-08-16  James E Wilson  <wilson@specifix.com>
 243
 244         PR tree-optimization/21105
 245         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
 246         TREE_OVERFLOW check.
 247
 248 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
 249
 250         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
 251         (neg_ltu<mode>): Same.
 252         (gtu<mode>): Same.
 253         (neg_gtu<mode>): Same.
 254
 255 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 256
 257         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
 258         (fold_builtin_isdigit): Use fold_buildN.
 259         (build_function_call_expr): Likewise.
 260         * c-typeck.c (c_finish_loop): Likewise.
 261
 262 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
 263             Richard Shann <rshann@superh.com>
 264
 265         PR middle-end/20396:
 266         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
 267
 268 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
 269
 270         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
 271
 272 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
 273
 274         PR target/23355
 275         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
 276         arm_compure_save_reg0_reg12_mask to determine when the PIC register
 277         must be saved.
 278
 279 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 280
 281         PR middle-end/23369
 282         * fold-const.c (build_range_check): Disable optimization for function
 283         pointer expressions on targets that require function pointer
 284         canonicalization.
 285
 286 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
 287
 288         * simplify-rtx.c (simplify_const_relational_operation): When
 289         extracting arguments of a COMPARE, recompute the mode as well.
 290
 291 2005-08-15  Ian Lance Taylor  <ian@airs.com>
 292
 293         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
 294
 295 2005-08-15  DJ Delorie  <dj@redhat.com>
 296
 297         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
 298         the stack.
 299         (movsi_splittable): Allow, but split, moves to the stack.
 300         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
 301         stack.
 302
 303 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 304
 305         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
 306         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
 307         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
 308
 309         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
 310         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
 311         Delete HOST_PTR_PRINTF.
 312
 313         * configure, config.in: Regenerate.
 314
 315 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
 316
 317         * config/rs6000/rs6000.md (QHSI): New mode macro.
 318         (wd): Extend mode attr for QImode and HImode
 319         (dbits): New mode attr.
 320         (zero_extend<mode>di2): Convert to mode macro.
 321
 322 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
 323
 324         PR target/21841
 325         * doc/invoke.texi (-mgnu-ld): Update description.
 326         (-mhp-ld): Ditto.
 327
 328 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
 329
 330         PR 23391
 331         * Makefile.in (tree-chrec.o): Depends on real.h.
 332         * tree-chrec.c: Include real.h.
 333         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
 334         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
 335         * tree-scalar-evolution.c (add_to_evolution_1,
 336         interpret_rhs_modify_expr): Ditto.
 337
 338 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
 339
 340         PR 23386
 341         * tree-data-ref.c (estimate_niter_from_size_of_data): When
 342         step is negative compute the estimation from init downwards to zero.
 343
 344 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
 345
 346         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
 347
 348 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
 349
 350         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
 351         constraint.
 352         (legitimate_reload_constant_p): Fix handling of lliXX operands.
 353         Accept double-word constants that can be split.
 354         * config/s390/s390.md ("movti"): Use 'P' constraint.
 355         ("*movdi_31", "*movdf_31"): Likewise.
 356
 357 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
 358
 359         Fix PR tree-optimization/22615
 360
 361         * tree-ssa-structalias.c (solution_set_add): Handle
 362         first_vi_for_offset returning NULL.
 363         (do_da_constraint): Ditto.
 364         (do_sd_constraint): Ditto.
 365         (do_ds_constraint): Ditto
 366         (find_func_aliases): Ditto.
 367         (build_constraint_graph): RHS is allowed be ANYTHING.
 368         (first_vi_for_offset): Return NULL if we couldn't find anything at
 369         the offset.
 370
 371 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
 372
 373         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
 374         over memory as first operand.
 375
 376 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
 377
 378         PR target/23360
 379         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
 380         available for setting it.
 381
 382 2005-08-14  Ira Rosen  <irar@il.ibm.com>
 383
 384         PR tree-optimization/23320
 385         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
 386         data-refs' types instead of base object nullness. Add check for
 387         pointer type data-refs before first location comparison. Remove
 388         assert.
 389
 390 2005-08-14  Andreas Schwab  <schwab@suse.de>
 391
 392         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
 393
 394 2005-08-13  James E Wilson  <wilson@specifix.com>
 395
 396         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
 397         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
 398         -fstack-protector-all, --param ssp-buffer-size): Document.
 399         (-Wvariadic-macros): Alphabetize.
 400         (-fsched-stalled-insns-dep): Add missing 'f'.
 401
 402         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
 403         macros.
 404
 405 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
 406
 407         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
 408         or indirect address operand.
 409         (EXTRA_ADDRESS_CONSTRAINT): New.
 410         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
 411
 412 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
 413
 414         PR tree-optimization/22236
 415         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
 416         successors and predecessors.
 417         * tree-chrec.c (chrec_convert): Before converting, check that
 418         sequences don't wrap.
 419         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
 420         (analyze_array): Extern.
 421         (find_data_references_in_loop): Remove call to
 422         compute_estimated_nb_iterations.
 423         * tree-data-ref.h (analyze_array): Declared.
 424         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
 425         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
 426         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
 427         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
 428         condition.
 429         * tree-ssa-loop-ivcanon.c: Fix documentation.
 430         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
 431         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
 432         (infer_loop_bounds_from_undefined): New.
 433         (estimate_numbers_of_iterations_loop): Use
 434         infer_loop_bounds_from_undefined.
 435         (used_in_pointer_arithmetic_p): New.
 436         (scev_probably_wraps_p): Pass an extra parameter.  Call
 437         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
 438         (convert_step): Fix documentation.
 439         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
 440         Use initial_condition_in_loop_num and evolution_part_in_loop_num
 441         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
 442         scev_probably_wraps_p.
 443
 444 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
 445
 446         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
 447         (s390_register_info): Ignore clobbered_regs information for fixed
 448         registers, and only fixed registers.
 449         (s390_init_frame_layout): Remove redundant call.
 450
 451 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
 452
 453         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
 454         description of -Wold-style-casts.
 455
 456 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 457             Jakub Jelinek  <jakub@redhat.com>
 458
 459         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
 460         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
 461         * config/s390/s390.c (print_operand): New output modifier 'G' added.
 462         (get_thread_pointer): Renamed to s390_get_thread_pointer.
 463         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
 464         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
 465         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
 466         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
 467         ("stack_protect_set", "stack_protect_test"): New expanders.
 468         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
 469         "stack_protect_testdi"): New insn definitions.
 470
 471 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 472
 473         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
 474
 475 2005-08-12  Paul Brook  <paul@codesourcery.com>
 476
 477         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
 478
 479 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 480
 481         * config/s390/predicates.md (setmem_operand): New predicate.
 482         (shift_count_operand): Accept ANDs with special constants as
 483         operand.
 484         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
 485         with special constants.
 486         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
 487         shift_count_operand with setmem_operand.
 488
 489 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 490
 491         * config/s390/s390.c (s390_extract_part, s390_single_part):
 492         Type cast added.
 493         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
 494         (s390_output_mi_thunk): Don't use lg on 31 bit.
 495         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
 496         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
 497
 498 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 499
 500         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
 501         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
 502         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
 503         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
 504         with one of the new macros.
 505
 506 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
 507
 508         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
 509         Don't set save_return_addr_p.
 510         (s390_register_info): Make clobbered_regs not depending on
 511         save_return_addr_p.
 512
 513 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
 514
 515         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
 516         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
 517
 518 2005-08-11  James E. Wilson  <wilson@specifix.com>
 519
 520         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
 521
 522 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
 523
 524         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
 525         locations gathered by var-tracking in single entry loc_list
 526         over loc_descriptor_from_tree.
 527
 528         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
 529         pass it down to loc_descriptor.
 530         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
 531         (containing_function_has_frame_base): Move earlier in the file.
 532         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
 533         instead of always assuming fbreg can't be used.
 534
 535 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
 536
 537         * config/rs6000/altivec.md: Change constraint "m" to "Z".
 538         * config/rs6000/predicates.md (indexed_or_indirect_operand):
 539         Accept address wrapped in AND for Altivec.
 540         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
 541         Strip AND wrapping offset address for Altivec.
 542
 543 2005-08-11  Richard Henderson  <rth@redhat.com>
 544
 545         PR middle-end/23312
 546         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
 547         before using TYPE_IS_SIZETYPE.
 548
 549 2005-08-11  Richard Henderson  <rth@redhat.com>
 550
 551         PR target/22225
 552         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
 553         insn types not present on ev4.
 554         (alphaev5_insn_pipe): Similarly.
 555
 556 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
 557
 558         PR target/23250
 559         * arm.c (arm_override_options): If the user has selected callee-super-
 560         interworking, then enable normal interworking.
 561
 562 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 563
 564         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
 565         redefinition.
 566
 567 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
 568
 569         * doc/rtl.texi: Fix two typos.
 570
 571 2005-08-11  Richard Guenther  <rguenther@suse.de>
 572
 573         PR target/23289
 574         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
 575         cases where we call to/from functions returning void.
 576
 577 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
 578
 579         PR c++/23225
 580         * tree.c (build_pointer_type_for_mode): Robustify.
 581
 582 2005-08-10  James E Wilson  <wilson@specifix.com>
 583
 584         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
 585         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
 586
 587         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
 588         "cum->".
 589
 590 2005-08-10  Eric Christopher  <echristo@apple.com>
 591
 592         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
 593         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
 594         V2DFmode.
 595
 596 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
 597
 598         PR target/21887
 599         * config/darwin.c (machopic_indirect_data_reference): Use a new register
 600         for the high part when generating dynamic-no-pic code.
 601
 602 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
 603
 604         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
 605         (x86_64-*-linux*): Likewise.
 606
 607         * config/i386/crtfastmath.c: New file.
 608         * config/i386/t-crtfm: Likewise.
 609
 610         * config/i386/linux.h (ENDFILE_SPEC): New.
 611         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
 612
 613         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
 614         crtfastmath.o.
 615
 616 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
 617
 618         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
 619         (vec_shl, vec_shr): Document new operations.
 620         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
 621
 622 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
 623
 624         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
 625         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
 626         change predicate to indexed_or_indirect_address.
 627
 628 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
 629
 630         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
 631         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
 632         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
 633         and __aeabi_uwrite8.
 634         * config/arm/unaligned-funcs.c: New file.
 635         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
 636
 637 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
 638
 639         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
 640         Add dump.
 641         * cfglayout.c (pass_insn_locators_initialize): Add dump.
 642         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
 643         Add dump.
 644         * except.c (pass_convert_to_eh_region_ranges): Add dump.
 645         * final.c (pass_shorten_branches): Add dump.
 646         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
 647         (pass_life): Rename dump.
 648         (rest_of_handle_flow2): Remove initial verify_flow_info.
 649         * function.c (pass_instantiate_virtual_regs): Add dump.
 650         * integrate.c (pass_initial_value_sets): Add dump.
 651         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
 652         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
 653         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
 654         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
 655         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
 656         gate_rtl_unrool_and_peel_loops): New.
 657         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
 658         rtl_doloop): Do not look at flags.
 659         * mode-switching.c (pass_mode_switching): Add dump.
 660         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
 661         pass_split_before_regstack): Add dump.
 662         * regmove.c (pass_stack_adjustments): Add dump.
 663         * tree-optimize.c (pass_fixup_cfg): Add dump.
 664
 665 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
 666
 667         PR 23309
 668         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
 669         deciding which instruction sequence to use.
 670
 671 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
 672
 673         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
 674         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
 675
 676 2005-08-09  Richard Guenther  <rguenther@suse.de>
 677
 678         * c-common.c (builtin_function_2): Remove.
 679         (def_builtin_1): New function.
 680         (c_common_nodes_and_builtins): Use def_builtin_1 to
 681         build builtin functions.
 682
 683 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
 684
 685         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
 686         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
 687         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
 688         Visual DSP.
 689
 690 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
 691
 692         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
 693         fold_binary instead of fold_build2 since we don't care about the
 694         resulting tree.
 695         (loop_niter_by_eval): Likewise.
 696         (compare_trees): Likewise.
 697         (proved_non_wrapping_p): Likewise.
 698
 699 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
 700
 701         PR c/23161
 702         PR c/23165
 703         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
 704         if the if is really empty.
 705
 706 2005-08-09  Steven Bosscher  <stevenb@suse.de>
 707
 708         PR tree-optimization/23234
 709         * tree-ssa-math-opts.c (place_reciprocal): New enum.
 710         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
 711         argument of the new enum.
 712         (execute_cse_reciprocals): Add reciprocals for function arguments
 713         on the unique successor edge of the entry block.  Update other calls
 714         to execute_cse_reciprocals_1.
 715
 716 2005-08-08  Richard Henderson  <rth@redhat.com>
 717
 718         PR 22439
 719         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
 720
 721 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
 722
 723         * expr.c (write_complex_part): Return after handling MEM.
 724
 725 2005-08-08  Josh Conner  <jconner@apple.com>
 726
 727         PR rtl-optimization/23241
 728         * combine.c (simplify_comparison): Fix error in determining
 729         whether to lift a subreg from comparison.
 730
 731 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
 732
 733         PR target/18506
 734         * config/rs6000/altivec.md (vec_init<mode>): New.
 735         (vec_set<mode>): New.
 736         (vec_extract<mode>): New.
 737         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
 738         (rs6000_expand_vector_set): New.
 739         (rs6000_expand_vector_extract): New.
 740         (rs6000_legitimate_offset_address_p): Offset addresses are valid
 741         for Altivec modes before reload.
 742         (altivec_expand_vec_init_builtin): New.
 743         (get_element_number): New.
 744         (altivec_expand_vec_set_builtin): New.
 745         (altivec_expand_vec_ext_builtin): New.
 746         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
 747         builtins.
 748         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
 749         builtins.
 750         * config/rs6000/rs6000.h (rs6000_builtins): Add
 751         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
 752         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
 753         * config/rs6000/rs6000-protos.h: Declare new functions.
 754
 755 2005-08-08  Jan Hubicka  <jh@suse.cz>
 756
 757         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
 758         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
 759         * i386.md (movdi*): Use pic_32bit_operand.
 760         * predicates.md (pic_32bit_operand): New.
 761
 762 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
 763
 764         PR c++/21166
 765         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
 766
 767 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
 768
 769         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
 770         (test_for_singularity): Use fold_build2.
 771
 772 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 773
 774         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
 775
 776 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
 777
 778         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
 779         (COMMON_ASM_OP) Define.
 780         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
 781         (ix86_encode_section_info): Likewise.
 782         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
 783         SUBTARGET_ENCODE_SECTION_INFO.
 784
 785 2005-08-06  Richard Henderson  <rth@redhat.com>
 786
 787         PR 21894
 788         * tree-nested.c (convert_local_reference): Save and restore val_only
 789         around component_ref and friends.  Clear walk_subtrees by default.
 790
 791 2005-08-06  Peter O'Gorman  <peter@pogma.com>
 792
 793         PR 21366
 794         * gcc.c (process_command): Check the argument to -b has a dash.
 795         * doc/invoke.texi: Update -b and -V docs.
 796
 797 2005-08-06  James E Wilson  <wilson@specifix.com>
 798
 799         * config/mips/cross64.h, config/mips/t-cross64: Delete.
 800
 801 2005-08-06  Michael Matz  <matz@suse.de>
 802
 803         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
 804         member only if only one insn is associated with the value.
 805
 806 2005-08-06  Nick Clifton  <nickc@redhat.com>
 807
 808         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
 809         New define.
 810         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
 811         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
 812         Check symbol flags instead of symbol name mangling.
 813         (xstormy16_asm_output_aligned_common): Likewise.  Also
 814         simplify code since the bss100_section cass is the only case
 815         where the below100 code will be triggered.
 816         (xstormy16_encode_section_info): Encode below100 attribute
 817         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
 818         the name.
 819         (xstormy16_strip_name_encoding): Delete - this function is no
 820         longer needed.
 821         (TARGET_STRIP_NAME_ENCODING): Undefine.
 822         * config/stormy16/stormy16-protos.h: Delete prototype for
 823         xstormy16_strip_name_encoding.
 824
 825 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
 826
 827         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
 828         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
 829         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
 830         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
 831         config/alpha/predicates.md, config/arc/arc.h,
 832         config/arm/arm.h, config/arm/ieee754-df.S,
 833         config/arm/ieee754-sf.S, config/bfin/bfin.c,
 834         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
 835         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
 836         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
 837         config/m68hc11/m68hc11.h, config/mips/mips.c,
 838         config/mips/mips.h, config/mips/openbsd.h,
 839         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
 840         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
 841         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
 842         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
 843         config/sparc/linux.h, config/sparc/linux64.h,
 844         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
 845         doc/extend.texi, doc/gcov.texi, doc/install.texi,
 846         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
 847         typos.  Follow spelling conventions.
 848
 849 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
 850
 851         PR c/23113
 852         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
 853         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
 854         specially.  Check for side effects only for COND_EXPR.
 855         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
 856         return with TREE_NO_WARNING.
 857
 858 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
 859
 860         PR rtl-optimization/23233
 861         * loop.c (combine_movables): Require the modes to be the same.
 862         (move_movables): Remove handling of cases where the replacement
 863         had a different mode to the original.
 864
 865 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
 866
 867         PR tree-optimization/23128
 868         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
 869         subtraction wrap, and set TREE_OVERFLOW if they do.
 870
 871 2005-08-05  Richard Henderson  <rth@redhat.com>
 872
 873         PR 21728
 874         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
 875         FORCED_LABEL labels.
 876
 877 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
 878
 879         PR middle-end/23135
 880         * reload.c (find_reloads_subreg_address): Pass down TYPE
 881         unchanged.  Change all callers except find_reloads_toplev.
 882
 883 2005-08-05  Michael Matz  <matz@suse.de>
 884
 885         * genattrtab.c (current_alternative_string): Remove.
 886         (SIMPLIFY_ALTERNATIVE): Ditto.
 887         (attr_alt_bit_p): Ditto.
 888         (alternative_name): Make const char *.
 889         (evaluate_eq_attr): Remove use of above things.
 890         (simplify_test_exp): Ditto.
 891         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
 892         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
 893
 894 2005-08-04  James E Wilson  <wilson@specifix.com>
 895
 896         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
 897         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
 898         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
 899         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
 900         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
 901
 902 2005-08-04  Richard Henderson  <rth@redhat.com>
 903
 904         PR 21529
 905         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
 906         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
 907         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
 908         if we'd have to instantiate too many members.
 909
 910 2005-08-04  Richard Henderson  <rth@redhat.com>
 911
 912         PR 21291
 913         * tree-outof-ssa.c (coalesce_asm_operands): New.
 914         (coalesce_ssa_name): Use it.  Split out ...
 915         (coalesce_phi_operands, coalesce_result_decls): ... these.
 916
 917 2005-08-04  Paul Brook  <paul@codesourcery.com>
 918
 919         * read-rtl.c (read_quoted_string): Break if EOF.
 920
 921 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
 922
 923         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
 924         (fold_build2): Likewise.
 925         (fold_build3): Likewise.
 926         (fold_build1_stat): New function prototype.
 927         (fold_build2_stat): Likewise.
 928         (fold_build3_stat): Likewise.
 929         * fold-const.c (fold_build1): Rename to ..
 930         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
 931         through to build1_stat.
 932         (fold_build2): Rename to ..
 933         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
 934         through to build2_stat.
 935         (fold_build3): Rename to ..
 936         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
 937         through to build3_stat.
 938
 939 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
 940             Ian Lance Taylor  <ian@airs.com>
 941
 942         * function.c (assign_stack_local_1): Do not correct stack slot
 943         address if allocation size is smaller than mode size.
 944
 945 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
 946
 947         PR 22037
 948         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
 949         (tree_merge_blocks): Propagate anything allowed by
 950         may_propagate_copy.
 951         Clarify documentation.
 952         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
 953         SSA form, schedule an update if necessary.
 954
 955 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
 956
 957         * doc/install.texi (Binaries): Remove broken link to
 958         Sinix/Reliant Unix binaries.
 959
 960 2005-08-03  Richard Henderson  <rth@redhat.com>
 961
 962         PR 23221
 963         * function.c (stack_protect_epilogue): Export.
 964         * tree.h (stack_protect_epilogue): Declare.
 965         * calls.c (expand_call): Call it.
 966
 967 2005-08-03  Eric Christopher  <echristo@apple.com>
 968
 969         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
 970         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
 971         spec.
 972
 973 2005-08-04  Jan Hubicka  <jh@suse.cz>
 974
 975         * profile.c (branch_prob): Split edges with goto locus on them
 976         to get proper line counts.
 977         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
 978
 979 2005-08-03  Paul Brook  <paul@codesourcery.com>
 980
 981         * function.c (assign_parms): Round current_function_args_size
 982         to PARM_BOUNDARY, not STACK_BOUNDARY.
 983
 984 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
 985
 986         * config/i386/i386.c (x86_elf_aligned_common)
 987         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
 988
 989 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
 990
 991         PR tree-optimization/23157
 992         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
 993         before emitting them.
 994
 995 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 996
 997         PR tree-optimization/19899
 998         * Makefile.in (tree-scalar-evolution.o): Add real.h.
 999         * tree-scalar-evolution.c: Include real.h.
1000         (add_to_evolution): Build constant -1 of correct type.
1001
1002 2005-08-03  Jan Hubicka  <jh@suse.cz>
1003
1004         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
1005         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
1006         profile updating for complette unrolling.
1007         * loop-unroll.c (peel_loop_completely): Use it.
1008         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1009         (tree_unroll_loops_completely): Disable code growing unrolling of cold
1010         loops.
1011
1012 2005-08-03  Paul Brook  <paul@codesourcery.com>
1013
1014         * combine.c (can_change_dest_mode): New function.
1015         (try_combine, simplify_set): Use it.
1016
1017 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
1018
1019         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
1020         TFmode to BLKmode.
1021
1022 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
1023
1024         * doc/install.texi (Specific): Adjust link to openavr.org.
1025         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
1026         (Binaries): Adjust HP-UX Porting Center link.
1027         (Binaries): Adjust Free Software Foundation ordering link.
1028
1029 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
1030
1031         * convert.c (convert_to_integer): Use fold_build1 instead of
1032         build1 when converting an integer to an integer.
1033
1034 2005-08-02  Richard Henderson  <rth@redhat.com>
1035
1036         * combine.c (combine_instructions): Don't use reg_equal/equiv
1037         results if the mode doesn't match.
1038
1039 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
1040
1041         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
1042         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
1043
1044 2005-08-02  Richard Henderson  <rth@redhat.com>
1045
1046         PR 23196
1047         * explow.c (memory_address): Remove special-case for
1048         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
1049
1050 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
1051
1052         PR 23164
1053         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
1054         number of calls to cleanup_tree_cfg_1.
1055
1056 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
1057
1058         * doc/invoke.texi: document file extensions .F90 and .F95
1059
1060 2005-08-02  Richard Guenther  <rguenther@suse.de>
1061
1062         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
1063         positive if its first argument is positive.
1064
1065 2005-08-02  Richard Guenther  <rguenther@suse.de>
1066
1067         PR tree-optimization/23177
1068         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
1069         on TMR_TAG.
1070
1071 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
1072
1073         PR tree-optimization/23129
1074         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
1075         varying for divisions with anti-ranges.
1076
1077 2005-08-02  Jan Hubicka  <jh@suse.cz>
1078
1079         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
1080         * tree-ssa-threadupdate.c (thread_block): Add it here.
1081
1082 2005-08-01  James E Wilson  <wilson@specifix.com>
1083
1084         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
1085         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
1086         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
1087         New.
1088         * config/mips/predicates.md (const_call_insn_operand): Add check for
1089         SYMBOL_REF_LONG_CALL_P.
1090         * doc/extend.texi (long_call): Document the new attribute.
1091
1092 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1093             Richard Henderson  <rth@redhat.com>
1094
1095         * Makefile.in (RTL_BASE_H): Add real.h.
1096         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
1097         instead of memcpy.
1098         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
1099         directly.
1100         * rtl.c (rtl_check_failed_code_mode): New.
1101         * rtl.h (struct rtx_def): Add u.rv.
1102         (XCMWINT, XCNMPRV): New.
1103         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
1104         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
1105
1106 2005-08-01  Richard Henderson  <rth@redhat.com>
1107
1108         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
1109         with auto-inc codes.
1110
1111         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
1112
1113 2005-08-01  Jan Hubicka  <jh@suse.cz>
1114
1115         * i386-protos.h (asm_preferred_eh_data_format): Declare.
1116         * i386.c: Include dwarf2.h
1117         (asm_preferred_eh_data_format): New.
1118         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
1119
1120 2005-08-01  Ian Lance Taylor  <ian@airs.com>
1121
1122         * config/host-linux.c (linux_gt_pch_get_address): Add new name
1123         randomize_va_space for virtual address randomization control.
1124
1125 2005-08-01  Steven Bosscher  <stevenb@suse.de>
1126
1127         * common.opt (flag_ipa_cp): Put in right place to maintain
1128         alphabetic sort.
1129
1130 2005-08-01  Jan Hubicka  <jh@suse.cz>
1131
1132         * profile.c (compute_value_histograms): Fix thinko.
1133         * value-prof.c: Include toplev.h
1134         (check_counter): New function.
1135         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1136         tree_mod_subtract_transform): Add sanity check.
1137
1138 2005-08-01  Richard Guenther  <rguenther@suse.de>
1139
1140         PR tree-optimization/23133
1141         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
1142         current functions parameter decls to find defs to cse
1143         reciprocals of.
1144
1145 2005-08-01  Richard Guenther  <rguenther@suse.de>
1146
1147         PR tree-optimization/23109
1148         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
1149         If trapping math is in effect, use post-dominator information
1150         to check if we'd in any case reach a trapping point before
1151         doing the reciprocal insertion.
1152         (execute_cse_reciprocals): Compute post-dominators, if necessary.
1153         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
1154         expressions are invariant only if trapping math is not in effect.
1155
1156 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1157
1158         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
1159         cgraph_function_versioning): New declarations.
1160         * cgraphunit.c: Add include to ipa-prop.h.
1161         (update_call_expr, cgraph_copy_node_for_versioning,
1162         cgraph_function_versioning): New functions.
1163         * integrate.c (copy_decl_for_inlining): Remove.
1164         * ipa-prop.h (ipa_replace_map): New struct.
1165         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
1166         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
1167         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
1168         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
1169         ipcp_iterate_stage, ipcp_method_scale_print,
1170         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
1171         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
1172         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
1173         ipcp_update_bb_counts, ipcp_update_profiling,
1174         ipcp_update_edges_counts): New functions.
1175         (ipcp_method_cval_init): Remove restriction regarding local methods.
1176         (ipcp_init_stage): Add ipcp_method_compute_scale.
1177         (ipcp_insert_stage): Add versioning.
1178         (ipcp_structures_print): Add ipcp_method_scale_print.
1179         (ipcp_driver): Dump profiling info.
1180         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
1181         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
1182         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
1183         (struct inline_data): Add versioning_p, ipa_info, new fields.
1184         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
1185         declare_return_variable): Replace calls to copy_decl_for_inlining with
1186         copy_decl_for_dup.
1187         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
1188         versioning support.
1189         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
1190         Add argument VERSIONING.
1191         (copy_arguments_for_versioning, copy_static_chain,
1192         function_versionable_p, tree_versionable_function_p,
1193         tree_function_versioning, replace_ref_tree): New functions.
1194         * tree-inline.h: Include varray.h.
1195         (tree_versionable_function_p,  tree_function_versioning,
1196         tree copy_decl_for_dup): New declarations.
1197
1198 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
1199
1200         * ipa-cp.c: New file. Contains IPCP specific functionality.
1201         * ipa-prop.h: New file. Contains structures/definitions that can be
1202         used by several interprocedural data flow optimizations (and also IPCP).
1203         * ipa-prop.c: New file.
1204         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
1205         * common.opt: Add ipa-cp flag.
1206         * timevar.def: Add IPCP optimization.
1207         * tree-optimize.c (init_tree_optimization_passes): Schedule
1208         pass_ipa_cp.
1209         * tree-pass.h (pass_ipa_cp): Declare.
1210
1211 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
1212
1213         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
1214         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
1215         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
1216         config/i386/i386.c, config/mips/mips.h,
1217         config/rs6000/rs6000.h, config/sh/sh.c,
1218         config/stormy16/stormy16.c: Fix comment typos.
1219
1220 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
1221
1222         PR c/22311
1223         * c-typeck.c (build_binary_op): Use common_type wrapper on
1224         shortened types.
1225         (common_type): Update comment.
1226
1227 2005-07-31  Steven Bosscher  <stevenb@suse.de>
1228
1229         PR target/23095
1230         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
1231         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
1232         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
1233
1234 2005-07-31  Jan Hubicka  <jh@suse.cz>
1235
1236         * pretty-print.h (pp_widest_integer): New macro.
1237         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
1238         counts.
1239
1240 2005-07-31  Jan Hubicka  <jh@suse.cz>
1241
1242         * output.h (enum section_category): Export from varasm.c
1243         (categorize_decl_for_section): Likewise.
1244         * varasm.c (enum section_category): Kill.
1245         (categorize_decl_for_section): Make global.
1246         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
1247         Declare.
1248         * i386.c (ix86_section_threshold): New static variable.
1249         (ix86_in_large_data_p, ix86_encode_section_info,
1250         x86_64_elf_unique_section,
1251         x86_64_elf_select_section): New functions.
1252         (TARGET_ENCODE_SECTION_INFO): Define
1253         (override_options): Enable medium model for PIC.
1254         (ix86_expand_prologue): Expand gen_set_got_rex64.
1255         (legitimate_constant_p): Handle new UNSPECs.
1256         (legitimate_pic_address_disp_p): Likewise.
1257         (legitimize_pic_address): Lower MEDIUM model addressing.
1258         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
1259         (enum cmodel): Add MEDIUM_PIC.
1260         (SYMBOL_REF_FAR_ADDR_P): New macro.
1261         (SYMBOL_FLAG_FAR_ADDR): New flag.
1262         * i386.md (movdi): Support medium model.
1263         (set_got_rex64): New pattern.
1264         * i386.opt (mlarge-data-threshold): New flag.
1265         * predicates.md (zext_operand/sext_operand): Deal with medium model.
1266         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
1267         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
1268         TARGET_ASM_UNIQUE_SECTION): New.
1269
1270         * invoke.texi (-mlarge_data_threshold): Document
1271
1272 2005-07-31  Jan Hubicka  <jh@suse.cz>
1273
1274         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
1275         (coalesce_vars): Likewise.
1276         * tree-ssa-live.c (coalesce_cost): New.
1277         (build_tree_conflict_graph): Use coalesce_cost.
1278         * tree-ssa-live.h (coalesce_cost): Declare.
1279
1280 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
1281
1282         * arm.md (all peepholes for post-increment operations): Delete.
1283         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
1284         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
1285         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
1286         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
1287         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
1288
1289 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
1290
1291         * fold-const.c (tree_expr_nonnegative_p): Always return true for
1292         non-integral types.
1293
1294 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
1295
1296         PR target/22582
1297         * doc/invoke.texi: Document -rdynamic.
1298
1299 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
1300
1301         PR c/23143
1302         * c-parser.c (c_parser_parms_list_declarator): Call
1303         mark_forward_parm_decls.
1304         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
1305         decls with visibility structure.
1306
1307 2005-07-30  Paul Brook  <paul@codesourcery.com>
1308
1309         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
1310
1311 2005-07-30  Paul Brook  <paul@codesourcery.com>
1312
1313         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
1314         prototype.
1315         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
1316         value for mode.
1317         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
1318
1319 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1320
1321         PR c/529
1322         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
1323         nested function declarators.
1324         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
1325         (grokparms): Call warn_if_shadowing for parameters used within the
1326         parameter list.
1327         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
1328         not used within the parameter list.
1329         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
1330
1331 2005-07-30  Jan Hubicka  <jh@suse.cz>
1332
1333         * expr.c (expand_expr_real_1): Do not load mem targets into register.
1334         * i386.c (ix86_fixup_binary_operands): Likewise.
1335         (ix86_expand_unary_operator): Likewise.
1336         (ix86_expand_fp_absneg_operator): Likewise.
1337         * optabs.c (expand_vec_cond_expr): Validate dest.
1338
1339 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1340
1341         PR c/21720
1342         * real.c (real_from_string): Also set last bit if there is a
1343         nonzero hex digit beyond GCC's internal precision after ".".
1344
1345 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
1346
1347         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
1348         define_constants.  Change duplicate values to unassigned numbers.
1349         Change UNSPEC_SUBS to UNSPEC_VSUBS.
1350         (*altivec_vspltsf): New.
1351         (altivec_vperm_v4sf): Delete.
1352         (altivec_vperm_<mode>): Use mode macro V.
1353         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
1354         (altivec_predicate_v4sf): Delete.
1355         (altivec_predicate_<mode>): Use mode macro V.
1356         (*altivec_lvesfx): New.
1357         (*altivec_stvesfx): New.
1358         (vec_realign_load_v4sf): Delete.
1359         (vec_realign_load_<mode>): Use mode macro V.
1360         * config/rs6000/rs6000.c (generate_set_vrsave): Use
1361         UNSPECV_SET_VRSAVE.
1362
1363 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
1364
1365         PR bootstrap/23131
1366         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
1367         string.
1368         * configure: Regenerated.
1369
1370 2005-07-29  Paul Brook  <paul@codesourcery.com>
1371
1372         * doc/install.texi: Add link to GFortran binaries wiki page.
1373
1374 2005-07-29  David Ung  <davidu@mips.com>
1375
1376         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
1377         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
1378         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
1379         * config/mips/mips.md (cpu): Add 5kf name.
1380         (includes): Includes 5k.md.
1381         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
1382         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
1383         -march flag.
1384
1385 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1386
1387         PR 22550
1388         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
1389         (cleanup_tree_cfg): ... here.
1390         Call cleanup_tree_cfg_1 until there are no more cleanups to
1391         do.
1392
1393 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
1394
1395         * tree-vrp.c (compare_range_with_value): Return true or false
1396         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
1397         EQ_EXPR respectively.
1398
1399 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
1400
1401         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
1402         Fix comment typos.
1403
1404 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
1405
1406         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
1407         (tree_ssa_dominator_optimize): Increment it.
1408         (dump_dominator_optimization_stats): Print it.
1409
1410 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
1411             Steven Bosscher  <stevenb@suse.de>
1412
1413         PR rtl-optimization/23117
1414         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
1415         when head == tail.  Tidy comment.
1416
1417 2005-07-28  Richard Henderson  <rth@redhat.com>
1418
1419         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
1420         * cselib.c (rtx_equal_for_cselib_p): Likewise.
1421         * jump.c (rtx_renumbered_equal_p): Likewise.
1422         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
1423         CONST_INT and CONST_DOUBLE.
1424         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
1425         * reload.c (operands_match_p): Special case CONST_INT and
1426         CONST_DOUBLE; check mode earlier.
1427
1428 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1429
1430         PR c/22240
1431         * c-typeck.c (convert_for_assignment): Do not check
1432         DECL_IN_SYSTEM_HEADER on NULL fundecl.
1433
1434 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1435
1436         PR c/22192
1437         * c-typeck.c (composite_type): Prefer constant size arrays to
1438         VLAs.
1439
1440 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
1441
1442         PR c/21720
1443         * real.c (real_from_string): Set last bit if there is a nonzero
1444         hex digit beyond GCC's internal precision.
1445
1446 2005-07-28  Richard Henderson  <rth@redhat.com>
1447
1448         PR rtl-opt/22619
1449         * cfgcleanup.c (try_forward_edges): Watch out for end of
1450         insn chain.
1451
1452 2005-07-28  James E Wilson  <wilson@specifixinc.com>
1453
1454         PR c/23106
1455         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
1456
1457 2005-07-28  Jan Hubicka  <jh@suse.cz>
1458
1459         * Makefile.in (rtl-profile.o): Kill all traces of it.
1460         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
1461         * coverage.h (rtl_coverage_counter_ref): Kill.
1462         * opts.c (flag_speculative_prefetching_set): Kill.
1463         (flag_loop_optimize_set): New.
1464         (common_handle_option): Disable loop optimizer when profiling;
1465         do not handle speculative prefetching.
1466         * passes.c (init_optimization_passes): Replace pass_profiling combo
1467         by branch_prob pass.
1468         * profile.c (compute_value_histograms): Update for simplified value
1469         profiles.
1470         (rtl_register_profile_hooks): Kill.
1471         (pass_profiling): Kill.
1472         (rest_of_handle_branch_prob): Do not profile.
1473         * toplev.c (process_options): Remove speculative prefetching.
1474         * toplev.h (flag_tree_based_profiling): Kill.
1475         * tree-profile.c (prepare_instrumented_value,
1476         tree_gen_interval_profiler, tree_gen_pow2_profiler,
1477         tree_gen_one_value_profiler, do_tree_profiling): Update for
1478         simplified datastructures.
1479         * value-prof.c: Add comment that speculative prefetching was dropped;
1480         update rest of file for simplified datastructures.
1481         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
1482         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
1483         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
1484         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
1485         rtl_mod_subtract, gen_speculative_prefetch,
1486         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
1487         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
1488         (gate_handle_value_profile_transformations,
1489         rest_of_handle_value_profile_transformations,
1490         pass_value_profile_transformations): Kill.
1491         * value-prof.h (histogram_value_t): Remove IL based unions.
1492         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
1493         rtl_profile_hooks): Remove hooks.
1494
1495         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
1496
1497         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
1498         (cgraph_clone_node): Likewise.
1499         * cgraph.h (cgraph_clone_edge): Update prototype.
1500         (cgraph_clone_node): Likewise.
1501         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
1502         cgraph_clone_node.
1503         (lookup_recursive_calls): Consider profile.
1504         (cgraph_decide_recursive_inlining): Fix updating; use new
1505         probability argument; use profile.
1506         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
1507         * tree-inline.c (copy_bb): Update clal of clone_edge.
1508         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
1509
1510         * invoke.texi (min-inline-recursive-probability): Document.
1511
1512 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
1513
1514         * doc/install.texi (Configuration): Update Valgrind homepage.
1515
1516 2005-07-28  Richard Henderson  <rth@redhat.com>
1517
1518         PR middle-end/21362
1519         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
1520         labels we want to delete.
1521         (cfg_layout_merge_blocks): Likewise.
1522
1523 2005-07-28  Richard Henderson  <rth@redhat.com>
1524
1525         PR target/17692
1526         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
1527         when expanding to nothing.
1528
1529 2005-07-28  Josh Conner  <jconner@apple.com>
1530
1531         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
1532         (cgraph_decide_inlining_of_small_functions): Likewise.
1533
1534 2005-07-28  Josh Conner  <jconner@apple.com>
1535
1536         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
1537         direction of badness if negative.
1538         (cgraph_default_inline_p): Add reason to parameters, and assign it
1539         a value.
1540         (cgraph_decide_inlining_of_small_functions): New parameter in call
1541         to cgraph_default_inline_p.
1542         (cgraph_decide_inlining_incrementally): Likewise.
1543         * cgraphunit.c (decide_is_function_needed): Likewise.
1544         * cgraph.h (cgraph_default_inline_p): Likewise.
1545
1546 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1547
1548         * builtins.c: Fix comment typo(s).
1549         * genautomata.c: Likewise.
1550         * gimplify.c: Likewise.
1551         * tree-dfa.c: Likewise.
1552         * tree-flow-inline.h: Likewise.
1553         * tree-into-ssa.c: Likewise.
1554         * tree-ssa-alias.c: Likewise.
1555         * tree-ssa-ccp.c: Likewise.
1556         * tree-ssa-copy.c: Likewise.
1557         * tree-ssa-dce.c: Likewise.
1558         * tree-ssa-dom.c: Likewise.
1559         * tree-ssa-operands.c: Likewise.
1560         * tree-tailcall.c: Likewise.
1561         * tree-vectorizer.c: Likewise.
1562         * tree-vrp.c: Likewise.
1563         * tree.c: Likewise.
1564
1565 2005-07-28  Jeff Law  <law@redhat.com>
1566
1567         * tree-vrp.c (test_for_singularity): Extracted from  ...
1568         (simplify_cond_using_ranges): Attempt to simplify a relational
1569         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
1570
1571 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
1572
1573         PR tree-optimization/22506
1574         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
1575         phis whose argument is constant.
1576
1577 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
1578
1579         PR rtl-optimization/18992
1580         Back out this patch:
1581           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1582           PR optimization/12142
1583           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
1584           uses of the register in the SET_SRC.  Remove unnecessary argument.
1585
1586         Replace it with this:
1587         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
1588         if flag_non_call_exceptions is set and the insn may trap, pass
1589         pc_rtx as dest for recursion.
1590         In SET_SRC part of SET case, if dest is already set, pass it down
1591         unchanged.
1592
1593 2005-07-28  Jan Hubicka  <jh@suse.cz>
1594
1595         * cfg.c (update_bb_profile_for_threading): Use RDIV.
1596         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
1597         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
1598         roundoff errors.
1599         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
1600         profile when available.
1601
1602 2005-07-28  Jan Beulich <jbeulich@novell.com>
1603
1604         * config/ia64/ia64.c (ia64_load_pair_ok): New.
1605         (ia64_print_operand): Describe and handle 'X'.
1606         (ia64_register_move_cost): Also handle FP_REGS.
1607         (ia64_preferred_reload_class): Likewise.
1608         (ia64_secondary_reload_class): Likewise.
1609         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
1610         it. Also check for ITANIUM_CLASS_FLDP.
1611         * config/ia64/ia64.h (FP_REGNO_P): New.
1612         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
1613         (reg_class): Add FP_REGS.
1614         (REG_CLASS_NAMES): Adjust for it.
1615         (REG_CLASS_CONTENTS): Likewise.
1616         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
1617         (REG_CLASS_FROM_LETTER): Handle 'x'.
1618         (CLASS_MAX_NREGS): Handle FP_REGS.
1619         (MEMORY_MOVE_COST): Likewise.
1620         * config/ia64/ia64.md (itanium_class): Add fldp.
1621         (type): Handle fldp.
1622         (movti_internal): More allowable operand combinations. Use ldfp8 when
1623         splitting unnecessary. Remove predicable attribute. Adjust
1624         itanium_class attribute.
1625         (smuldi3_highpart): Remove outdated comment.
1626         (mulditi3, umulditi3, rotlti3): New expanders.
1627         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
1628         (absti2): Disabled new insn for future reference.
1629         Respective new splitters.
1630         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
1631         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
1632         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
1633
1634 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
1635
1636         PR rtl-optimization/23047
1637         * simplify-rtx.c (simplify_const_relational_operation): Respect
1638         flag_wrapv for comparisons with ABS.
1639
1640 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
1641
1642         PR tree-optimization/22493
1643         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
1644         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
1645
1646 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
1647
1648         * config/frv/frv.opt (moptimize-membar): New.
1649
1650         * doc/invoke.texi: Document -moptimize-membar and its inverse.
1651
1652         * config/frv/frv.h: Remove machine_function definition.
1653
1654         * config/frv/frv.c (struct frv_io): New.
1655         (struct machine_function): Moved from frv.h.  Add has_membar_p.
1656         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
1657         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
1658         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
1659         (frv_optimize_membar_global, frv_optimize_membar): New functions.
1660         (frv_reorg): Call frv_optimize_membar when appropriate.
1661         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
1662         (frv_expand_builtin): Adjust calls accordingly.
1663         (frv_io_address_cookie): New function.
1664         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
1665         load or store rather than a special insn.  Add ccnstant address and
1666         io-type operands to the membar.
1667         (frv_ifcvt_modify_tests): Unsign regno.
1668         (frv_ifcvt_modify_tests): Same.
1669
1670         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
1671         UNSPEC_OPTIONAL_MEMBAR constant.
1672         (builtin_read_<mode>): Delete.
1673         (builtin_write_<mode>): Delete.
1674         ("optional_membar_<mode>"): Add operand.
1675
1676         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
1677         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
1678         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
1679         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
1680         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
1681         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
1682         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
1683         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
1684         * testsuite/gcc.target/frv/all-read-write-1.c: New.
1685
1686 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
1687
1688         * df.c (df_uses_record): Handle SCRATCH.
1689
1690 2005-07-28  Steven Bosscher  <stevenb@suse.de>
1691
1692         PR debug/20161
1693         * passes.c (rest_of_decl_compilation): If decl is a type and
1694         we have encountered errors, don't emit debug information.
1695
1696 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
1697
1698         * params.def: Fixed comment.
1699
1700 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
1701
1702         PR target/19885
1703         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
1704         (TARGET_ASM_UNALIGNED_HI_OP): Add.
1705         (TARGET_ASM_UNALIGNED_SI_OP): Add.
1706
1707 2005-07-27  Steven Bosscher  <stevenb@suse.de>
1708
1709         PR c++/22003
1710         * varasm.c (assemble_start_function): Don't do anything that may
1711         require a CFG if the current function is a thunk.
1712
1713 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
1714
1715         * doc/install.texi (Prerequisites): Mention that perl is needed
1716         to do export control in libstdc++ targetting Darwin.
1717
1718 2005-07-27  Steven Bosscher  <stevenb@suse.de>
1719
1720         PR rtl-optimization/17808
1721         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
1722         (sched_insns_conditions_mutex_p): Split out from...
1723         (add_dependence): ...here.  But don't call it from here.
1724         (add_dependence_list): Check sched_insns_conditions_mutex_p
1725         before calling add_dependence.
1726         (add_dependence_list_and_free): Likewise.
1727         (fixup_sched_groups): Likewise.
1728         (sched_analyze_1): Likewise.
1729         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
1730         (sched_analyze): Likewise.
1731         (sched_analyze_insn): Likewise.
1732         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
1733         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
1734         dependencies on all COND_EXEC insns to jumps ending basic blocks
1735         when doing intrablock scheduling.
1736         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
1737
1738 2005-07-27  Jeff Law  <law@redhat.com>
1739
1740         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
1741         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
1742         equivalency sets, correctly handle the case were vr0 has an
1743         equivalency set, but vr1 does not.
1744
1745 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
1746
1747         PR tree-optimization/23073
1748         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
1749         vect_print_dump_info before fprintf.
1750
1751 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
1752
1753         PR tree-optimize/22348
1754         * tree-ssa-loop-niter.c (number_of_iterations_cond):
1755         Fold the partial computation.
1756
1757 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
1758
1759         PR tree-optimization/22325
1760         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
1761         Declare.
1762         * tree-scalar-evolution.c (scev_const_prop): Add generic final
1763         value replacement.
1764         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
1765         (force_var_cost): ... this function.
1766         (compute_phi_arg_on_exit): Export.
1767
1768 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
1769
1770         PR tree-optimization/20773
1771         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
1772         edge.
1773
1774 2005-07-27  Richard Guenther  <rguenther@suse.de>
1775
1776         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
1777         Avoid pushing again if current struct contains only
1778         fields we decomposed.
1779
1780 2005-07-27  Jan Hubicka  <jh@suse.cz>
1781
1782         PR tree-optimization/22574
1783         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
1784         not available.
1785
1786         * tree-tailcall.c (decrease_profile): New function.
1787         (eliminate_tail_call): Use it.
1788
1789         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
1790         visibility flags correctly in whole program mode.
1791
1792 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
1793
1794         PR rtl-optimization/22472
1795         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
1796
1797 2005-07-26  Steven Bosscher  <stevenb@suse.de>
1798
1799         PR tree-optimization/22504
1800         * tree-complex.c (expand_complex_addition): Use 'code' instead
1801         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
1802
1803 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
1804
1805         * config.gcc (cpu_type): Add frv case.
1806         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
1807         (supported_defaults): Add fr550 case.
1808
1809 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
1810
1811         PR 22591
1812         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
1813         whether a pointer of type T * may point to objects of type T *.
1814
1815 2005-07-26  DJ Delorie  <dj@redhat.com>
1816
1817         * configure: Regenerate.
1818
1819 2005-07-26  Dale Johannesen  <dalej@apple.com>
1820
1821         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
1822
1823 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
1824
1825         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
1826         Clarify use of "build" in name.
1827
1828 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
1829
1830         * doc/extend.texi (Raw read/write Functions): New section.
1831         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
1832         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
1833         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
1834         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
1835         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
1836         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
1837         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
1838         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
1839         * config/frv/frv.c: Add bdesc_loads global.
1840         Add bdesc_stores global.
1841         (frv_init_builtins): Add support for __builtin_{read/write}*.
1842         (frv_volatile_memref): New.
1843         (frv_expand_load_builtin): New.
1844         (frv_expand_store_builtin): New.
1845         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
1846         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
1847         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
1848         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
1849         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
1850         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
1851         (builtin_read_<mode>): New.
1852         (builtin_write_<mode>): New.
1853         (builtin_write64): New.
1854         (optional_membar_<mode>): New.
1855
1856 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
1857
1858         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
1859         (rather than units) against HOST_BITS_PER_WIDE_INT.
1860
1861 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
1862
1863         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
1864         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
1865         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
1866         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
1867         FSF address.
1868
1869         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
1870         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
1871         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
1872         comment typos.
1873         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
1874
1875 2005-07-26  Richard Guenther  <rguenther@suse.de>
1876
1877         PR tree-optimization/22486
1878         * fold-const.c (fold_unary): Fold away useless component
1879         references of the form (T *)&T.x, if the address
1880         doesn't change.
1881
1882 2005-07-25  James E Wilson  <wilson@specifixinc.com>
1883
1884         * dwarf2out.c (add_call_src_coords_attributes): New.
1885         (gen_inlined_subroutine_die): Call it.
1886         (maybe_emit_file, init_file_table): Add comments.
1887         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
1888         maybe_emit_file.
1889         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
1890         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
1891         * tree.h (BLOCK_SOURCE_LOCATION): New.
1892         (struct tree_block): New field locus.
1893
1894 2005-07-26  Andreas Schwab  <schwab@suse.de>
1895
1896         PR rtl-optimization/23043
1897         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
1898         when allocating a struct unoccr.
1899
1900 2005-07-25  Richard Henderson  <rth@redhat.com>
1901
1902         PR 22626
1903         * tree-complex.c (gate_no_optimization): True if errors.
1904         * Makefile.in (tree-complex.o): Update dependencies.
1905
1906 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
1907
1908         * config/frv/predicates.md (integer_register_operand): Use
1909         GPR_AP_OR_PSEUDO_P.
1910
1911 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
1912
1913         PR tree-opt/22484
1914         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
1915         after fold.
1916         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
1917
1918 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
1919
1920         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
1921         types when flag_unsafe_math_optimizations is true.
1922
1923 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
1924
1925         * gcc.c (option_map): Add --sysroot.
1926         (process_command): Handle --sysroot.
1927         (display_help): Document it.
1928         * doc/cppopts.tex (-isysroot): Document.
1929         * doc/invoke.texi (--sysroot): Document.
1930         * doc/install.texi (--with-build-sysroot): Document.
1931
1932         * Makefile.in (inhibit_libc): New variable.
1933         (INHIBIT_LIBC_CFLAGS): Likewise.
1934         (LIBGCC2_CFLAGS): Include
1935         $(INHIBIT_LIBC_CFLAGS).
1936         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
1937         ($(T)crtbegin.o): Do not use @inhibit_libc@.
1938         ($(T)crtend.o): Likewise.
1939         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
1940         ($(T)crtendS.o): Likewise.
1941         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
1942         ($(T)crtendT.o): Likewise.
1943         (stmp-fixinc): Do not complain about missing headers if
1944         inhibit_libc.
1945         * configure.ac (inhibit_libc): Set it to true/false.
1946         (--with-build-sysroot): New option.  Use it to set
1947         SYSTEM_HEADER_DIR.
1948         * configure: Regenerated.
1949
1950 2005-07-25  Manfred Hollstein  <mh@suse.com>
1951
1952         * calls.c (store_one_arg): Fix unsigned comparison warning.
1953
1954 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1955
1956         PR other/22337
1957         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
1958         (ggc_print_statistics): Initialize variable before use.
1959
1960 2005-07-25  Richard Guenther  <rguenther@suse.de>
1961
1962         * tree-dfa.c (mark_new_vars_to_rename): Protect against
1963         calling with a PHI_NODE argument.
1964
1965         * tree-flow-inline.h (overlap_subvar): Protect against
1966         possible overflow.
1967
1968 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
1969
1970         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
1971         * configure: Regenerate.
1972
1973 2005-07-25  Ira Rosen  <irar@il.ibm.com>
1974
1975         * expr.c (highest_pow2_factor): Make extern.
1976         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
1977         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1978         record_array_differ_p, array_ptr_differ_p): Likewise.
1979         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
1980         additional cases. Call the above functions.
1981         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
1982         base_object_differ_p when there are two base objects. Otherwise, compare
1983         base address and offset. Call may_alias_p.
1984         (dump_data_reference): Use a correct field name.
1985         (analyze_array): Make static. Initialize new data-ref fields.
1986         (analyze_indirect_ref): New function.
1987         (init_data_ref): Initialize new data-ref fields.
1988         (strip_conversion): Moved from tree-vect-analyze.c.
1989         (analyze_offset_expr, get_ptr_offset, address_analysis,
1990         object_analysis): Likewise.
1991         (analyze_offset): New function.
1992         (create_data_ref): Likewise.
1993         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
1994         dimensions for ARRAY_REFs only.
1995         (build_classic_dist_vector): Make static.
1996         (access_functions_are_affine_or_constant_p): Call macro to get the
1997         address of access functions.
1998         (compute_all_dependences): Add new parameter
1999         compute_self_and_read_read_dependences. Compute self and read-read
2000         dependences if it is true.
2001         (find_data_references_in_loop): Call create_data_ref. Initialize new
2002         data-ref fields.
2003         (compute_data_dependences_for_loop): Add new parameter
2004         compute_self_and_read_read_dependences. Remove parameter nb_loops,
2005         compute nb_loops. Call compute_all_dependences,
2006         build_classic_dist_vector and build_classic_dir_vector with correct
2007         parameters.
2008         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
2009         with correct parameters. Compare dimensions for ARRAY_REFs only.
2010         (free_data_refs): Call macro to free access functions.
2011         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
2012         fields from stmt_vinfo.
2013         (struct base_object_info): New structure.
2014         (struct data_reference): Move fields to base_object_info. Add fields
2015         first_location and object_info for above structures. Move fields from
2016         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
2017         aligned_to.  Add macros to access the new fields.
2018         Update functions declarations.
2019         * tree-flow.h (is_aliased_with): Declare.
2020         * tree-loop-linear.c (linear_transform_loops): Call
2021         compute_data_dependences_for_loop with correct parameters.
2022         * tree-ssa-alias.c (is_aliased_with): New function.
2023         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
2024         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
2025         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
2026         vect_base_addr_differ_p, compute_subscript_distance and
2027         build_classic_dist_vector. Add printings. Check absolute value of
2028         distance.
2029         (vect_analyze_data_ref_dependences): Go through ddrs instead of
2030         data-refs.
2031         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
2032         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
2033         to bytes. Add printing.
2034         (vect_compute_data_refs_alignment): Go through loads and stores in one
2035         loop.
2036         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
2037         vect_analyze_data_ref_access): Likewise.
2038         (vect_analyze_pointer_ref_access): Remove.
2039         (vect_address_analysis, vect_object_analysis): Likewise.
2040         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
2041         and analyze data-refs in the loop.
2042         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
2043         fields of data-ref instead of stmt. Add init to the offset from the
2044         base.
2045         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
2046         (vect_update_init_of_dr): Likewise.
2047         (vect_update_inits_of_drs): Go through loads and stores in one loop.
2048         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
2049         removed fields.
2050         (new_loop_vec_info): Initialize new fields.
2051         (destroy_loop_vec_info): Free new fields.
2052         (vect_strip_conversion): Remove.
2053         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
2054         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
2055         datarefs. Add new field ddrs.
2056         Add macros for the new fields access.
2057         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
2058         base_aligned_p, misalignment, memtag, ptr_info and subvars.
2059         Remove their macros.
2060         * tree.h (highest_pow2_factor): Declare.
2061
2062 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
2063
2064         * calls.c (store_one_arg): Check for sibling call MEM arguments
2065         from already clobbered incoming argument area.
2066
2067 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2068
2069         * c-common.c (check_missing_format_attribute): New.
2070         * c-common.h (check_missing_format_attribute): Likewise.
2071         * c-typeck.c (convert_for_assignment): Use it.
2072
2073 2005-07-24  Andreas Schwab  <schwab@suse.de>
2074
2075         * config/m68k/m68k.md ("extendqidi2"): When source is an address
2076         register use a word move.  Correct operand of ext.w in 68000 code.
2077
2078 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
2079
2080         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
2081         variables as declarations, rather than definitions.
2082
2083 2005-07-24  Ira Rosen  <irar@il.ibm.com>
2084
2085         PR tree-optimization/22526
2086         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
2087         of the zero node.
2088
2089 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2090
2091         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
2092         that C99 reserve for future use. Use it to define clog10,
2093         clog10f and clog10l.
2094
2095 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2096
2097         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
2098         * configure.ac: Check for -Wmissing-format-attribute.
2099
2100         * configure: Regenerate.
2101
2102 2005-07-23  Richard Henderson  <rth@redhat.com>
2103
2104         PR tree-optimization/22623
2105         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
2106
2107 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
2108
2109         PR target/22577
2110         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
2111
2112 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2113
2114         * Makefile.in (C_TREE_H): Update dependencies.
2115         * c-tree.h: Include toplev.h.
2116         * diagnostic.h (diagnostic_set_info): Add format attribute.
2117         * rtl-error.c (diagnostic_for_asm): Likewise.
2118
2119 2005-07-23  Chao-ying Fu  <fu@mips.com>
2120
2121         * config/mips/mips-dsp.md: New file.
2122         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
2123         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
2124         functions.
2125         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
2126         MIPS_BUILTIN_BPOSGE32.
2127         (mips_expand_builtin_direct): Add one parameter to indicate that
2128         builtin functions need to return a value.
2129         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
2130         functions.
2131         (mips_regno_to_class): Add classes for 12 new DSP registers.
2132         (mips_subword): Change to check four HI registers.
2133         (mips_output_move): Output move to and from 6 new DSP accumulators.
2134         (override_options): Make sure -mdsp and -mips16 are not used together.
2135         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
2136         for machine modes.
2137         (mips_conditional_register_usage): Disable 6 new DSP accumulators
2138         when !TARGET_DSP.
2139         (print_operand): Add 'q' for printing DSP accumulators.
2140         (mips_cannot_change_mode_class): Check ACC_REGS.
2141         (mips_secondary_reload_class): Check ACC_REGS.
2142         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
2143         (mips_register_move_cost): Check ACC_REGS.
2144         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
2145         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
2146         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
2147         (dsp_bdesc): New array.
2148         (bdesc_arrays): Add DSP builtin function table.
2149         (mips_prepare_builtin_arg): Check predicate again after
2150         copy_to_mode_reg.
2151         (mips_expand_builtin): Add one more parameter to
2152         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
2153         MIPS_BUILTIN_BPOSGE32.
2154         (mips_init_builtins): Initialize new function types.
2155         (mips_expand_builtin_direct): Check if builtin functions need to
2156         return a value and pass operands properly.
2157         (mips_expand_builtin_bposge): New function.
2158         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
2159         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
2160         (FIRST_PSEUDO_REGISTER): Increase to 188.
2161         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
2162         Update for 12 new DSP registers.
2163         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
2164         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
2165         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
2166         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
2167         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
2168         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
2169         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
2170         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
2171         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
2172         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
2173         (REGISTER_NAMES): Add names for 12 new DSP registers.
2174         * config/mips/mips.md: Include mips-dsp.md.
2175         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
2176         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
2177         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
2178         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
2179         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
2180         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
2181         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
2182         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
2183         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
2184         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
2185         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
2186         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
2187         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
2188         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
2189         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
2190         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
2191         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
2192         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
2193         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
2194         (UNSPEC_RDDSP): New constants.
2195         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
2196         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
2197         A<-d alternative.
2198         * config/mips/mips.opt (-mdsp): New option.
2199         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
2200         (reg_imm10_operand): New predicates.
2201         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
2202         * doc/invoke.texi (-mdsp): Document new option.
2203
2204 2005-07-22  DJ Delorie  <dj@redhat.com>
2205
2206         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
2207         to warning calls.
2208         * tree-inline.c (inlinable_function_p): Likewise.
2209
2210 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
2211
2212         PR debug/21828
2213         * toplev.c (check_global_declarations): Do not mark undefined
2214         variables as DECL_IGNORED_P.
2215         * varasm.c (first_global_object_name): GTY it.
2216         (weak_global_object_name): Likewise.
2217         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
2218         a string to go into {weak,first}_global_object_name.
2219
2220 2005-07-22  DJ Delorie  <dj@redhat.com>
2221
2222         * c-format.c (check_function_format): Change warning control
2223         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
2224
2225 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
2226
2227         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
2228         &PTR->FLD a dereference of PTR.
2229         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
2230         a potential dereference of PTR.
2231
2232 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
2233
2234         PR rtl-optimization/20370
2235         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
2236         call allocate_reg_info if necessary.
2237
2238         PR rtl-optimization/21848
2239         * calls.c (emit_library_call_value_1): For const functions, add
2240         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
2241
2242         PR rtl-optimization/22445
2243         * cselib.c (target.h): Include.
2244         (rtx_equal_for_cselib_p): Allow commutative matches.
2245         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
2246         Remove MODE parameter.  Changed all callers.
2247
2248         PR rtl-optimization/22258
2249         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
2250         New functions.
2251         (try_combine): Use likely_spilled_retval_p.
2252
2253 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
2254
2255         * config.gcc: Add crx-elf support.
2256
2257         * doc/contrib.texi: Mention crx.
2258         * doc/extend.texi: Document crx extensions.
2259         * doc/install.texi: Document crx install.
2260         * doc/invoke.texi: Document crx options.
2261         * doc/md.texi: Document crx constraints.
2262
2263         * config/crx/crx-protos.h: New file.
2264         * config/crx/crx.c: New file.
2265         * config/crx/crx.h: New file.
2266         * config/crx/crx.md: New file.
2267         * config/crx/crx.opt: New file.
2268         * config/crx/t-crx: New file.
2269
2270 2005-07-22  Manfred Hollstein  <mh@suse.com>
2271
2272         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
2273         warnings.
2274         (int_add_graph_edge): Likewise.
2275         (collapse_nodes): Likewise.
2276         (process_unification_queue): Likewise.
2277
2278 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2279             Laurent GUERBY  <laurent@guerby.net>
2280
2281         PR tree-optimization/22336
2282         * function.c (record_block_change): Check for
2283         cfun->ib_boundaries_block.
2284
2285 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
2286
2287         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
2288         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
2289
2290 2005-07-21  DJ Delorie  <dj@redhat.com>
2291
2292         * toplev.c (warn_deprecated_use): Add warning control to warning
2293         call.
2294         * c-typeck.c (parser_build_binary_op): Likewise.
2295         (c_finish_if_stmt): Likewise.
2296         * c-common.c (check_function_sentinel): Likewise.
2297         (check_nonnull_arg): Likewise.
2298
2299 2005-07-21  Richard Henderson  <rth@redhat.com>
2300
2301         PR tree-opt/22504
2302         * tree-complex.c (complex_ssa_name_components): New.
2303         (cvc_lookup): Allow entry not found.
2304         (create_components): Remove.
2305         (create_one_component_var, get_component_var): New.
2306         (get_component_ssa_name, set_component_ssa_name): New.
2307         (extract_component): Use get_component_ssa_name.
2308         (update_complex_components): Use set_component_ssa_name.
2309         (update_complex_components_on_edge): Likewise.
2310         (update_phi_components): Create new PHI nodes directly, instead
2311         of adding insns to edges.
2312         (tree_lower_complex): Allocate and free complex_variable_components
2313         and complex_ssa_name_components here.
2314
2315 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
2316
2317         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
2318         revert to returning false.
2319
2320 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2321
2322         PR target/21149
2323         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
2324
2325 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
2326
2327         PR target/22576
2328         * config/i386/i386.md (cmpxf): Change operand constraints
2329         to "nonmemory_operand".
2330
2331 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2332
2333         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
2334
2335 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2336
2337         PR middle-end/21180
2338         * fold-const.c (fold_build1): Add checksum for the operands.
2339         (fold_build2): Likewise.
2340         (fold_build3): Likewise.
2341
2342 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
2343
2344         PR middle-end/19055
2345         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
2346
2347 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2348
2349         * common.opt (-fforward-propagate): Committed by mistake,
2350         removed.
2351
2352 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2353
2354         * reg-stack.c: Fix comment typo(s).
2355         * tree-ssa-operands.c: Likewise.
2356         * tree-vectorizer: Likewise.
2357
2358 2005-07-21  Nick Clifton  <nickc@redhat.com>
2359
2360         * config/sh/symbian.c: Replace C++ style line comments with C
2361         style line comments.
2362         (symbian_add_attribute): Do not use a ? operator on the LHS of
2363         an assignment.
2364         (sh_symbian_handle_dll_attribute): Change the type of the
2365         method vector to "VEC(tree,gc)*" and use vector accessor
2366         macros to walk over the elements.
2367         (symbian_export_vtable_and_rtti_p): Likewise.
2368         (symbian_class_needs_attribute_p): Likewise.
2369
2370 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2371
2372         PR target/22085
2373         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
2374         initialize targetm.resolve_overloaded_builtin here.
2375         (altivec_expand_overloaded_builtin): Make it non-static.
2376         * config/rs6000/rs6000-protos.h
2377         (altivec_expand_overloaded_builtin): New prototype.
2378         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
2379         targetm.resolve_overloaded_builtin here.
2380         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
2381
2382 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
2383             Zdenek Dvorak  <dvorakz@suse.cz>
2384
2385         PR tree-optimization/19210
2386         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
2387         New.
2388         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
2389         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
2390         rely on unproven assumptions.
2391         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
2392         * tree-flow.h (number_of_iterations_exit): Add final parameter.
2393         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
2394         to number_of_iterations_exit.
2395         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
2396         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
2397         * tree-ssa-loop-niter.c (find_loop_niter,
2398         estimate_numbers_of_iterations_loop): Likewise.
2399         (number_of_iterations_exit): Honor the new options.
2400         * doc/invoke.texi (Wunsafe-loop-optimizations,
2401         funsafe-loop-optimizations): Document them.
2402
2403 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
2404
2405         PR rtl-optimization/22167
2406         * gcse.c (hoist_code): Fix hoist_exprs[] check.
2407
2408 2005-07-20  Adam Nemet  <anemet@lnxw.com>
2409
2410         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
2411         __do_global_dtors_aux longcall.
2412
2413 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
2414
2415         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
2416         (old_special_pred_table): Don't reference
2417         SPECIAL_MODE_PREDICATES.
2418         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
2419         * config/arc/arc.h: Don't mention PREDICATE_CODES.
2420         * config/sh/predicates.h: Don't mention
2421         SPECIAL_MODE_PREDICATES.
2422         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2423         Remove.
2424
2425 2005-07-20  DJ Delorie  <dj@redhat.com>
2426
2427         * config.gcc: Add m32c-elf support.
2428
2429         * doc/contrib.texi: Mention m32c.
2430         * doc/extend.texi: Document m32c extensions.
2431         * doc/install.texi: Mention m32c.
2432         * doc/invoke.texi: Document m32c options.
2433         * doc/md.texi: Document m32c constraints.
2434
2435         * config/m32c/addsub.md: New file.
2436         * config/m32c/bitops.md: New file.
2437         * config/m32c/cond.md: New file.
2438         * config/m32c/jump.md: New file.
2439         * config/m32c/m32c-lib1.S: New file.
2440         * config/m32c/m32c-lib2.c: New file.
2441         * config/m32c/m32c-modes.def: New file.
2442         * config/m32c/m32c-pragma.c: New file.
2443         * config/m32c/m32c-protos.h: New file.
2444         * config/m32c/m32c.abi: New file.
2445         * config/m32c/m32c.c: New file.
2446         * config/m32c/m32c.h: New file.
2447         * config/m32c/m32c.md: New file.
2448         * config/m32c/m32c.opt: New file.
2449         * config/m32c/minmax.md: New file.
2450         * config/m32c/mov.md: New file.
2451         * config/m32c/muldiv.md: New file.
2452         * config/m32c/predicates.md: New file.
2453         * config/m32c/prologue.md: New file.
2454         * config/m32c/shift.md: New file.
2455         * config/m32c/t-m32c: New file.
2456
2457 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2458
2459         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2460         (stack_protect_set, stack_protect_test): New expanders.
2461         (stack_protect_set_si, stack_protect_set_si_media,
2462         stack_protect_set_di_media, stack_protect_test_si,
2463         stack_protect_test_si_media, stack_protect_test_di_media):
2464         New insns.
2465
2466 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
2467
2468         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
2469
2470 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
2471
2472         * tree.h (tree_expr_nonzero_p): Export.
2473         * fold-const.c (tree_expr_nonzero_p): Likewise.
2474         Return true for CALL_EXPRs that are alloca calls.
2475         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
2476         against zero.
2477         * tree-flow.h (expr_computes_nonzero): Remove.
2478         * tree-vrp.c (expr_computes_nonzero): Remove.
2479         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
2480         (extract_range_from_unary_expr): Likewise.
2481         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
2482         tree_expr_nonzero_p.
2483
2484 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
2485
2486         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
2487         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
2488         extra arg "picreg" and use it instead of pic_offset_table_rtx.
2489         All callers changed.
2490         (frame_related_constant_load): New arg "related" which controls
2491         setting of RTX_FRAME_RELATED_P.  All callers changed.
2492         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
2493         (bfin_expand_prologue): Add stack limit checking.
2494         * config/bfin/bfin.md (trapifcc): New pattern.
2495
2496         * config/bfin/bfin.c: Include "langhooks.h".
2497         (def_builtin): Go through lang_hooks to call builtin_function.
2498
2499         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
2500         * config/bfin/predicates.md (symbol_ref_operand): New.
2501         (call_insn_operand): Delete.  All callers changed to use
2502         register_no_elim_operand.
2503         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
2504         call_cookie field.
2505         (function_arg): Use it to generate the call's operand 2.
2506         (bfin_longcall_p): New function.
2507         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
2508         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
2509         determine if the address needs to be in a REG.
2510         (bfin_handle_longcall_attribute): New function.
2511         (bfin_attribute_table): Add "longcall" and "shortcall".
2512         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
2513         (CUMULATIVE_ARGS): New member call_cookie.
2514         (PREDICATE_CODES): Add symbol_ref_operand.
2515         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
2516         extra USE to the pattern.
2517         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
2518         New patterns, split off call_insn, sibcall_insn, call_value_insn and
2519         sibcall_value_insn; now the new patterns handle direct calls and the
2520         old ones indirect calls.
2521         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
2522
2523 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
2524
2525         * doc/trouble.texi: Update section on handling of empty loops.
2526
2527 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
2528
2529         * config.gcc: Remove support for sparc-*-openbsd*,
2530         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
2531         ns32k-*-netbsd*.
2532         * config.host: Remove support for i860-*-sysv4* as a host.
2533         * config/i860/*, config/ip2k/*, config/ns32k/*,
2534         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
2535         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
2536         mention obsolete ports.
2537
2538 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2539
2540         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
2541         soft frame pointer.
2542         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
2543         of frame_pointer_rtx.
2544         (sh_expand_epilogue): Likewise.
2545         (sh_set_return_address): Likewise.
2546         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
2547         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
2548         offsets from FRAME_POINTER_REGNUM.
2549         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
2550         (sh_register_names): Add initializer for sfp.
2551         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
2552         (VALID_REGISTER_P): Likewise.
2553         (FIRST_PSEUDO_REGISTER): Update.
2554         (DWARF_FRAME_REGISTERS): Define.
2555         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
2556         (HARD_FRAME_POINTER_REGNUM): Define.
2557         (FRAME_POINTER_REGNUM): Redefine.
2558         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
2559         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
2560         from FRAME_POINTER_REGNUM.
2561         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
2562         FRAME_POINTER_REGNUM.
2563         (REG_CLASS_CONTENTS): Add sfp.
2564         (REG_ALLOC_ORDER): Likewise.
2565         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
2566         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
2567         of frame_pointer_rtx.
2568         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
2569
2570 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
2571
2572         * fold-const.c (tree_expr_nonnegative_p): Only return true for
2573         ABS_EXPR when flag_wrapv is false because of INT_MIN.
2574         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
2575         of an ABS_EXPR.
2576         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
2577         ABS_EXPR<x>.
2578
2579 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
2580
2581         Make CONSTRUCTOR use VEC to store initializers.
2582         * c-common.c (complete_array_type): Update to cope with VEC in
2583         CONSTRUCTOR_ELTS.
2584         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
2585         (pp_c_constructor_elts): New function.
2586         * c-pretty-print.h (pp_c_constructor_elts): Declare.
2587         * c-typeck.c (build_function_call, build_c_cast, digest_init,
2588         struct constructor_stack, struct initializer_stack,
2589         constructor_elements, push_init_level, pop_init_level,
2590         add_pending_init, find_init_member, output_init_element): Update to
2591         cope with VEC in CONSTRUCTOR_ELTS.
2592         * coverage.c (build_fn_info_value, build_ctr_info_value,
2593         build_gcov_info): Likewise.
2594         * expr.c (categorize_ctor_elements_1, store_constructor,
2595         expand_expr_real_1): Likewise.
2596         * fold-const.c (fold_ternary): Likewise.
2597         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
2598         gimplify_init_constructor, gimplify_expr): Likewise.
2599         * tree-dump.c (dequeue_and_dump): Likewise.
2600         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
2601         node.
2602         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
2603         CONSTRUCTOR_ELTS.
2604         * tree-sra.c (generate_element_init_1): Likewise.
2605         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
2606         * tree-ssa-operands.c (get_expr_operands): Likewise.
2607         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
2608         * tree-vect-transform.c (vect_get_vec_def_for_operand):
2609         (get_initial_def_for_reduction): Likewise.
2610         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
2611         value handle in annotations.
2612         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
2613         tree_node_structure): Add support for constr_kind.
2614         (build_vector_from_ctor, build_constructor_single,
2615         build_constructor_from_list): New functions.
2616         (build_constructor): Update to take a VEC instead of a TREE_LIST.
2617         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
2618         Update to cope with VEC in CONSTRUCTOR_ELTS.
2619         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
2620         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
2621         CONSTRUCTOR_APPEND_ELT): New macros.
2622         (struct constructor_elt, struct tree_constructor): New data types.
2623         (union tree_node): Add tree_constructor field.
2624         * treestruct.def: Define TS_CONSTRUCTOR.
2625         * varasm.c (const_hash_1, compare_constant, copy_constant,
2626         compute_reloc_for_constant, output_addressed_constants,
2627         initializer_constant_valid_p, output_constant,
2628         array_size_for_constructor, output_constructor): Update to cope with
2629         VEC in CONSTRUCTOR_ELTS.
2630         * vec.h (VEC_empty, VEC_copy): New macros.
2631
2632 2005-07-19  Devang Patel  <dpatel@apple.com>
2633
2634         * dbxout.c (dbxout_type): Check Objective-C++ lang.
2635
2636 2005-07-19  Richard Henderson  <rth@redhat.com>
2637
2638         PR tree-opt/22278
2639         * gimplify.c (gimplify_expr): Use main variant type for the temp
2640         destination for a discarded volatile read.
2641         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
2642         casts between non-void types that change volatility.
2643
2644 2005-07-15  DJ Delorie  <dj@redhat.com>
2645
2646         * toplev.h: Add comment about the first parameter for warning().
2647         * errors.h: Likewise.
2648
2649         * c.opt (Wpragmas): New.
2650         * doc/invoke.texi: Document it.
2651
2652         * function.c (do_warn_unused_parameter): Add warning control to
2653         warning call.
2654         * c-decl.c (warn_if_shadowing): Likewise.
2655         * c-lex.c (cb_def_pragma): Likewise.
2656         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
2657         (pop_alignment): Likewise.
2658         (handle_pragma_pack): Likewise.
2659         (apply_pragma_weak): Likewise.
2660         (handle_pragma_weak): Likewise.
2661         (handle_pragma_redefine_extname): Likewise.
2662         (add_to_renaming_pragma_list): Likewise.
2663         (handle_pragma_extern_prefix): Likewise.
2664         (maybe_apply_renaming_pragma): Likewise.
2665         (handle_pragma_visibility): Likewise.
2666
2667         * config/c4x/c4x-c.c (BAD): Likewise.
2668         (c4x_parse_pragma): Likewise.
2669         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
2670         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
2671         (rs6000_pragma_longcall): Likewise.
2672         * config/v850/v850-c.c (pop_data_area): Likewise.
2673         (ghs_pragma_section): Likewise.
2674         (ghs_pragma_section): Likewise.
2675         (ghs_pragma_interrupt): Likewise.
2676         (ghs_pragma_starttda): Likewise.
2677         (ghs_pragma_startsda): Likewise.
2678         (ghs_pragma_startzda): Likewise.
2679         (ghs_pragma_endtda): Likewise.
2680         (ghs_pragma_endsda): Likewise.
2681         (ghs_pragma_endzda): Likewise.
2682
2683 2005-07-19  Danny Berlin <dberlin@dberlin.org>
2684             Kenneth Zadeck <zadeck@naturalbridge.com>
2685
2686         * Makefile.in: Removed tree-promote-statics.c
2687         * tree-promote-statics.c: Removed.
2688         * common.opt: Removed flag-promote-statics.
2689         * opts.c: Ditto.
2690         * passes.c: Removed tree-promote-statics pass.
2691         * tree-pass.h: Ditto.
2692         * timevar.def: Removed TV_PROMOTE_STATICS.
2693
2694
2695 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
2696
2697         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
2698         and *-*-freebsd9.
2699         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
2700
2701 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2702
2703         PR c/22476
2704         * c-common.c (check_function_arguments): Call
2705         'check_function_format' if either -Wformat or
2706         -Wmissing-format-attribute are specified.
2707         * c-format.c (check_function_format): Check -Wformat before
2708         calling 'check_format_info'.
2709         * c-opts.c (c_common_post_options): Don't warn for
2710         -Wmissing-format-attribute without -Wformat.
2711         * c-typeck.c (convert_for_assignment): Detect additional cases for
2712         -Wmissing-format-attribute.
2713         * doc/invoke.texi (-Wmissing-format-attribute): Document new
2714         behavior.
2715
2716 2005-07-19  Richard Guenther  <rguenther@suse.de>
2717
2718         * config/i386/i386.md (lrint<mode>2): Use temporary
2719         instead of clobbering non-existent memory.
2720
2721 2005-07-19  Nick Clifton  <nickc@redhat.com>
2722
2723         * config/avr/avr.c (legitimate_address_p): Fix debugging print
2724         statement to avoid displaying ASCII control characters.
2725
2726 2005-07-19  Ben Elliston  <bje@au.ibm.com>
2727
2728         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
2729         * cfganal.c (find_edge_index): Ditto.
2730         * combine.c (combine_instructions): Ditto.
2731         * ddg.c (create_scc): Ditto.
2732         (find_successors): Ditto.
2733         (find_predecessors): Ditto.
2734         (find_nodes_on_paths): Ditto.
2735         (longest_simple_path): Ditto.
2736         * flow.c (update_life_info): Ditto.
2737         (count_or_remove_death_notes): Ditto.
2738         (clear_log_links): Ditto.
2739         * modulo-sched.c (generate_reg_moves): Ditto.
2740         (find_max_asap): Ditto.
2741         (find_max_hv_min_mob): Ditto.
2742         (find_max_dv_min_mob): Ditto.
2743         * sbitmap.c (sbitmap_first_set_bit): Ditto.
2744         * sched-rgn.c (extract_edgelst): Ditto.
2745         * tree-into-ssa.c (prepare_names_to_update): Ditto.
2746         (dump_update_ssa): Ditto.
2747         (ssa_names_to_replace) Ditto.
2748         (switch_virtuals_to_full_rewrite): Ditto.
2749         (update_ssa): Ditto.
2750         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2751
2752 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
2753
2754         Fix PR tree-optimization/22483
2755
2756         * tree-complex.c (create_components): Use
2757         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
2758         * tree-flow-inline.h (fill_referenced_var_vec): New function.
2759         * tree-flow.h (safe_referenced_var_iterator): New structure.
2760         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
2761         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
2762         safe_referenced_var iterator.
2763         (add_type_alias): Ditto.
2764
2765 2005-07-19  Steven Bosscher  <stevenb@suse.de>
2766
2767         * loop-init.c (rest_of_handle_loop2): Remove.
2768         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
2769         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
2770         (pass_rtl_loop_init, pass_rtl_loop_done,
2771         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
2772         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
2773         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
2774         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
2775         pass_tree_loop_done, and pass_tree_unswitch.
2776         (gate_loop): Rename to gate_tree_loop.
2777         * passes.c (init_optimization_passes): Update for renamed tree
2778         loop passes.  Add the new loop2 passes as subpasses of loop2.
2779         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
2780         Update for the renamed tree loop passes.
2781
2782 2005-07-18  Ian Lance Taylor  <ian@airs.com>
2783
2784         PR middle-end/22057
2785         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
2786         blocks when optimizing.
2787
2788 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
2789
2790         * common.opt (frename-registers): Initialize to 2.
2791         (fweb): Ditto.
2792         (fgcse-after-reload): Ditto.
2793         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
2794         (process_options): Only change flag_web, flag_rename_registers,
2795         and flag_rerun_cse_after_loop if not explicitly set by user.
2796
2797 2005-07-18  Jan Beulich  <jbeulich@novell.com>
2798
2799         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
2800         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
2801         in 64-bit mode the same as DImode in 32-bit mode.
2802         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
2803         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
2804         mode. Add new mode parameter.
2805         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
2806         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
2807         x86_64_shift_adj): New expanders.
2808         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
2809         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
2810         insns.
2811         Respective new splitters. Use renamed shift splitter helpers in 32-bit
2812         DImode shift splitters.
2813         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
2814         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
2815         mode parameter.
2816
2817 2005-07-18  Jan Beulich  <jbeulich@novell.com>
2818
2819         * i386.md (movdi_extzv_1): New.
2820         (zero_extendhidi2): Combine alternatives and never force use of
2821         REX64 prefix.
2822         (zero_extendqidi2): Likewise. Don't restrict input selection.
2823
2824 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
2825
2826         Fix PR tree-optimization/22531
2827         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
2828          moment.
2829
2830 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
2831
2832         * tree-promote-statics.c (pass_promote_statics): Change dump file
2833          name.
2834
2835 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
2836
2837         * tree-optimize.c (init_tree_optimization_passes): Add
2838         pass_eliminate_useless_stores pass.
2839         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
2840         * tree-ssa-pre.c (is_copy_stmt): New function.
2841         (follow_copies_till_vuse): Ditto.
2842         (do_eustores): Ditto.
2843         (gate_eustores): Ditto.
2844
2845 2005-07-16  Richard Henderson  <rth@redhat.com>
2846
2847         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
2848
2849 2005-07-16 Danny Berlin <dberlin@dberlin.org>
2850            Kenneth Zadeck <zadeck@naturalbridge.com>
2851
2852         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
2853         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
2854         ipa-type-escape.h, tree-promote-statics.c
2855         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
2856         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
2857         tree-promote-statics.c: new files.
2858         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
2859         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
2860         int nonlocal_set_p, mark_constant_function): Deleted.
2861         (rest_of_handle_cfg): Removed call to mark_constant_function.
2862         (nonoverlapping_component_refs_p): Added calls to support
2863         type based aliasing.
2864         * tree-ssa-alias.c (may_alias_p,
2865         compute_flow_insensitive_aliasing): Ditto.
2866         * calls.c (flags_from_decl_or_type): Removed reference to
2867         cgraph_rtl_info.
2868         * c-typeck.c (convert_arguments): Make builtins tolerant of having
2869         too many arguments.  This is necessary for Spec 2000.
2870         * cgraph.h (const_function, pure_function): Removed.
2871         * common.opt: Added "fipa-pure-const", "fipa-reference",
2872         "fipa-type-escape", and "ftree-promote-static".
2873         * opts.c: Ditto.
2874         * passes.c: Added ipa and tree-promote-statics passes.
2875         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
2876         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
2877         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
2878         * tree-flow.h: Added exposed sra calls and addition of
2879         reference_vars_info field for FUNCTION_DECLS.
2880         * tree-pass.h: Added passes.
2881         * tree-sra.c: (sra_init_cache): New function.
2882         (sra_insert_before, sra_insert_after) Made public.
2883         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
2884         and made public.
2885         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
2886         aliasing. (may_alias_p): Added code to use type escape analysis to
2887         improve alias sets.
2888         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
2889         code to prune clobbers of static variables based on information
2890         produced in ipa-reference pass.  Changed call clobbering so that
2891         statics are not marked as clobbered if the call does not clobber
2892         them.
2893
2894 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
2895
2896         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
2897         too.
2898
2899 2005-07-16  Eric Botcazou <ebotcazou@libertysurf.fr>
2900
2901         * doc/install.texi (*-*-solaris2*): Document recommended version
2902         of GNU binutils and mention GNU linker problem on Solaris 10.
2903
2904 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
2905
2906         PR c/22421
2907         * c-decl.c (c_build_bitfield_integer_type): New function.
2908         (finish_struct): Call it.
2909         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
2910
2911 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2912
2913         * c-typeck.c (digest_init): Call 'convert_for_assignment'
2914         before returning.
2915
2916 2005-07-16  Jan Hubicka  <jh@suse.cz>
2917
2918         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
2919         (scale_bbs_frequencies_int): Watch roundoff errors.
2920         * predict.c (return_prediction): Initialize return_stmt.
2921
2922 2005-07-16  Jan Hubicka  <jh@suse.cz>
2923
2924         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
2925         after RTL profiling.
2926
2927 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
2928
2929         PR middle-end/22398
2930         * fold-const.c (build_range_check): Convert high/low to etype
2931         if we are only comparing against exp.
2932
2933 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
2934
2935         Fix PR tree-optimization/22376
2936         * tree-ssa-structalias.c (build_constraint_graph): We really meant
2937         special var here.
2938         (need_to_solve): New function.
2939         (compute_points_to_sets): Use it.
2940
2941 2005-07-15  Jan Hubicka  <jh@suse.cz>
2942
2943         * cfg.c (update_bb_profile_for_threading): More diagnostic.
2944         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
2945
2946 2005-07-15  Richard Guenther  <rguenther@suse.de>
2947
2948         * c-common.c (handle_flatten_attribute): New function.
2949         Add flatten function attribute.
2950         * doc/extend.texi: Document flatten function attribute.
2951         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
2952         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
2953         New functions.
2954         (cgraph_decide_inlining): Handle functions with flatten
2955         attribute.
2956
2957 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
2958
2959         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
2960         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
2961         UNSPEC_XCHG, UNSPEC_AND): New.
2962         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
2963         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
2964         * config/rs6000/sync.md (FETCHOP): New code macro.
2965         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
2966         New code attrs.
2967         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
2968         (sync_compare_and_swap<mode>): Same.
2969         (sync_lock_test_and_set<mode>): Same.
2970         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
2971         for QImode and HImode, and not PPC405.
2972         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
2973         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
2974         (sync_<fetchop>{si,di}_internal): New.
2975         (sync_nand{si,di}_internal): New.
2976         (sync_old_<fetchop>{si,di}_internal): New.
2977         (sync_old_nand{si,di}_internal): New
2978         (sync_new_<fetchop>{si,di}_internal): New.
2979         (sync_new_nand{si,di}_internal): New.
2980         (atomic_and{si,di}): New.
2981         (sync_new_nand{si,di}_internal): New.
2982         (atomic_and{si,di}): New.
2983         (sync_add<mode>_internal): Delete.
2984         (sync_addshort_internal): Use unspec instead of unspec_volatile.
2985         (sync_sub<mode>_internal): Delte.
2986         (sync_subshort_internal): New.
2987         (sync_andsi_internal): Use unspec instead of unspec_volatile.
2988         (sync_anddi_internal): Delete.
2989         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
2990         (sync_booldi_internal): Delete.
2991         (sync_boolc<mode>_internal): Delete.
2992         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
2993         (sync_boolc<mode>_internal2): Delete.
2994         (sync_boolcc<mode>_internal): Delete.
2995         (isync, lwsync): Use unspec instead of unspec_volatile.
2996         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
2997         Revert UNSPEC_VOLATILE.
2998         (rs6000_split_atomic_op): New.
2999         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
3000
3001 2005-07-14  Eric Christopher  <echristo@redhat.com>
3002
3003         * config/mips/mips.c (mips_canonicalize_comparison): Cast
3004         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
3005
3006 2005-07-14  Eric Christopher  <echristo@redhat.com>
3007
3008         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
3009
3010 2005-07-14  Steven Bosscher  <stevenb@suse.de>
3011
3012         PR tree-optimization/22230
3013         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
3014         the computation of the four cross productions for "range op range".
3015
3016 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
3017             Ulrich Weigand  <uweigand@de.ibm.com>
3018
3019         PR target/20126
3020         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
3021         in some insn.
3022
3023 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
3024
3025         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
3026
3027 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
3028
3029         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
3030
3031 2005-07-14  Richard Guenther  <rguenther@suse.de>
3032
3033         PR middle-end/22347
3034         * config/i386/i386-protos.h (ix86_function_value): Change
3035         prototype to match new target hook.
3036         * config/i386/i386.c (ix86_value_regno): Change prototype
3037         to take extra type argument.
3038         (TARGET_FUNCTION_VALUE): Define.
3039         (ix86_function_ok_for_sibcall): Pass extra argument to
3040         ix86_value_regno, check return slot rtx for exact match.
3041         (ix86_function_value): Take extra parameter.  Dispatch to
3042         ix86_value_regno with fndecl/fntype as provided.
3043         (ix86_value_regno): Handle extra type argument.
3044         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
3045
3046         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
3047         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
3048         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
3049         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
3050         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
3051
3052 2005-07-14  Richard Guenther  <rguenther@suse.de>
3053
3054         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
3055         * calls.c (expand_call): Pass fntype to hard_function_value.
3056         (emit_library_call_value_1): Likewise.
3057         * explow.c: Include target.h.
3058         (hard_function_value): Take extra argument, the fntype.
3059         Use new target hook for function_value.
3060         * expr.h (hard_function_value): Change prototype.
3061         * function.c (aggregate_value_p): Pass 0 as fntype to
3062         hard_function_value.
3063         (assign_parms): Use new target hook for function_value.
3064         Pass 0 as fntype to hard_function_value.
3065         (expand_function_end): Likewise.
3066         * reg-stack.c: Include target.h.
3067         (stack_result): Use new target hook for function_value.
3068         * target-def.h: New target hook function_value.
3069         * target.h: Likewise.
3070         * targhooks.c (default_function_value): New function.
3071         * targhooks.h (default_function_value): Declare.
3072
3073 2005-07-13  Ian Lance Taylor  <ian@airs.com>
3074
3075         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
3076
3077 2005-07-14  Jan Hubicka  <jh@suse.cz>
3078
3079         * tree-dfa.c (dump_variable): Use default_def function.
3080         * tree-ssa-alias.c (dump_points_to_info): Likewise.
3081         * tree-ssa.c (verify_use): Likewise.
3082         * tree-ssanames.c (release_ssa_name): Likewise.
3083         * tree-tailcall.c (eliminate_tail_call): Likewise.
3084         (tree_optimize_tail_calls_1): Likewise.
3085         * tree-vrp.c (get_value_range): Likewise.
3086
3087 2005-07-14  Ben Elliston  <bje@au.ibm.com>
3088
3089         * gcc.c (main): Compare language[0] with '*' when iterating over
3090         the infiles.
3091
3092 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3093
3094         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
3095         "s390_emit_compare".  Add handling of CCZ1mode.
3096         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
3097         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
3098         checking.
3099         (s390_branch_condition_mask): Add CCZ1mode handling.
3100         * config/s390/s390.md: ("seq", "*seq"): New pattern.
3101         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
3102         Use CCZ1mode instead of CCZmode.
3103         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
3104
3105 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
3106
3107         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
3108         pattern.
3109         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
3110
3111 2005-07-13  Eric Christopher  <echristo@redhat.com>
3112
3113         * config/mips/mips.c (mips_canonicalize_comparison): New.
3114         (mips_emit_int_relational): Use.
3115
3116 2005-07-13  Eric Christopher  <echristo@redhat.com>
3117
3118         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3119         static extra parts.
3120         * config/s390/s390.md: Include tpf.md. Move tpf specific
3121         patterns...
3122         * config/s390/tpf.md: To here.
3123         * config/s390/s390.opt: Move tpf specific options...
3124         * config/s390/tpf.opt: to here. Add mmain option.
3125         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3126         * config/s390/tpf.h: Rewrite.
3127
3128 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3129
3130         * doc/tm.texi: Remove @xref{Cross-profiling}.
3131
3132 2005-07-13  Jeff Law  <law@redhat.com>
3133
3134         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
3135         expressions, test their _DECL operands for pointer equality rather
3136         than using operand_equal_p.
3137
3138 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
3139
3140         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
3141         (TARGET_POSIX_IO): This.
3142         * config/darwin.h: Likewise.
3143         * config/freebsd.h: Likewise.
3144         * config/linux.h: Likewise.
3145         * config/lynx.h: Likewise.
3146         * config/netbsd.h: Likewise.
3147         * config/rs6000/linux64.h: Likewise.
3148         * config/rs6000/linux.h: Likewise.
3149         * config/s390/tpf.h: Likewise.
3150         * config/sh/embed-elf.h: Likewise.
3151         * config/sparc/linux64.h: Likewise.
3152         * config/sparc/linux.h: Likewise.
3153         * config/svr4.h: Likewise.
3154         * gcov-io.h: Likewise.
3155
3156         * doc/tm.texi: Updated.
3157
3158         * libgcov.c (create_file_directory): Defined only if
3159         TARGET_POSIX_IO is defined.
3160         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
3161         is defined.
3162
3163 2005-07-13  Jan Hubicka  <jh@suse.cz>
3164
3165         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
3166
3167 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
3168
3169         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
3170         structure as argument.
3171
3172 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
3173
3174         PR tree-optimization/21921
3175         * tree-iterator.c (tsi_link_before): Support the case when
3176         tsi_end_p (tsi) == true.
3177
3178 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3179
3180         PR tree-optimization/22442
3181         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
3182         correctly.
3183
3184 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3185
3186         PR rtl-optimization/20376
3187         * toplev.c (process_options): Enable -fweb and -frename-registers when
3188         unrolling.
3189         * doc/invoke.texi: Update the information about when -fweb and
3190         -frename-registers are enabled.
3191
3192 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3193
3194         PR tree-opt/21840
3195         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
3196         if *rhs_p is not a SSA_NAME.
3197
3198 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
3199
3200         Fix PR tree-optimization/22422
3201         * tree-ssa-structalias.c (struct variable_info): Add flag for
3202         special vars.
3203         (get_varinfo): Now a static function.
3204         (new_varinfo): init has_union and is_special_var to false.
3205         (solution_set_add): Check has_union.
3206         (do_da_constraint): Move temporary variable so it gets reset
3207         properly.
3208         Also check for special variable.
3209         (do_ds_constraint): Ditto.
3210         (do_sd_constraint): Ditto.
3211         (do_structure_copy): Check for special variable.
3212         (find_func_aliases): Ditto.
3213         (init_base_vars): Set special vars properly.
3214
3215 2005-07-13  Jan Hubicka  <jh@suse.cz>
3216
3217         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
3218         do unit-at-a-time.
3219
3220         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
3221         (get_expr_operands): Fix thinko wrt flags and subvars.
3222
3223         PR tree-optimize/22379
3224         * tree-inline.c (expand_call_inline): Do not output sorry in early
3225         inlining.
3226
3227 2005-07-12  Dale Johannesen  <dalej@apple.com>
3228
3229         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
3230
3231 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3232
3233         PR bootstrap/21704
3234         * host-linux.h: Include limits.h.
3235
3236 2005-07-12  Dale Johannesen  <dalej@apple.com>
3237
3238         * expr.c (compress_float_constant):  Add cost check.
3239         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
3240
3241 2005-07-12  Dale Johannesen  <dalej@apple.com>
3242
3243         * gcc.target/i386/compress-float-sse.c:  New.
3244         * gcc.target/i386/compress-float-sse-pic.c:  New.
3245         * gcc.target/i386/compress-float-387.c:  New.
3246         * gcc.target/i386/compress-float-387-pic.c:  New.
3247         * gcc.dg/compress-float-ppc.c:  New.
3248         * gcc.dg/compress-float-ppc-pic.c:  New.
3249
3250 2005-07-12  Eric Christopher  <echristo@redhat.com>
3251
3252         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
3253         static extra parts.
3254         * config/s390/s390.md: Include tpf.md. Move tpf specific
3255         patterns...
3256         * config/s390/tpf.md: To here.
3257         * config/s390/s390.opt: Move tpf specific options...
3258         * config/s390/tpf.opt: to here. Add mmain option.
3259         * config/s390/tpf-unwind.h: Remove unnecessary defines.
3260         * config/s390/tpf.h: Rewrite.
3261
3262 2005-07-12  Eric Christopher  <echristo@redhat.com>
3263
3264         * gcc.c (struct infile): Update comment for language.
3265         (main): Rewrite input file resetting code.
3266
3267 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
3268
3269         PR tree-opt/22335
3270         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
3271         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
3272         (lookup_avail_expr): Use constant_boolean_node instead
3273         of boolean_false_node/boolean_true_node.
3274
3275 2005-07-12  Ben Elliston  <bje@au.ibm.com>
3276
3277         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
3278         and use it when printing num_edges.
3279
3280 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3281
3282         * doc/extend.texi (Blackfin Built-in Functions): New section.
3283         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
3284         @opindex.
3285
3286 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
3287
3288         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
3289         s/cmpstrsi/cmpstrnsi
3290         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
3291         'cmpstrnsi'.
3292         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
3293         (init_optabs): Initialize cmpstrn_optab.
3294         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
3295         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
3296         * expr.c: (enum insn_code cmpstrn_optab): Declare.
3297         * config/i386/i386.md: s/cmpstr/cmpstrn
3298         * config/c4x/c4x.md: s/cmpstr/cmpstrn
3299         * doc/md.texi: Update documentation.
3300
3301 2005-07-11  Richard Henderson  <rth@redhat.com>
3302
3303         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
3304         build_va_arg_indirect_ref.
3305         (alpha_gimplify_va_arg): Likewise.
3306         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
3307         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
3308         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
3309         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
3310         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
3311         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
3312         Likewise.
3313         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
3314
3315 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
3316
3317         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
3318         * passes.c (init_optimization_passes): Add pass_empty_loop.
3319         * tree-pass.h (pass_empty_loop): Declare.
3320         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
3321         try_remove_empty_loop, remove_empty_loops): New functions.
3322         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
3323         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
3324
3325 2005-07-12  Peter Barada  <peter@the-baradas.com>
3326
3327         PR middle-end/16719
3328         PR middle-end/18421
3329         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
3330         in address registers.
3331         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
3332         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
3333         alternative of addsi3_5200.
3334
3335 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3336
3337         * config/mips/mips.md (ffs<mode>2): Remove.
3338
3339 2005-07-11  Ian Lance Taylor  <ian@airs.com>
3340
3341         * doc/tree-ssa.texi (Cleanups): Improve description of
3342         TRY_FINALLY_EXPR.
3343         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
3344
3345 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3346
3347         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
3348         * tree.h (DECL_ARGUMENT_FLD): New macro.
3349
3350 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
3351
3352         Fix PR tree-optimization/22404
3353
3354         * tree-ssa-structalias.c (create_variable_info_for): Use
3355         correct offset.
3356
3357 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3358
3359         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
3360         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
3361         for second comparison operand.
3362         * config/bfin/predicates.md (reg_or_const_int_operand): New.
3363
3364         * config/bfin/bfin.md (define_attr "type"): Add "sync".
3365         (define_insn_reservation "alu"): Likewise.
3366         (csync, ssync): Now of type sync.
3367         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
3368         -mcsync-anomaly -mspecld-anomaly.
3369         * config/bfin/bfin.opt (mcsync): Remove.
3370         (mcsync-anomaly, mspecld-anomaly): Add.
3371         * config/bfin/bfin.c: Include "insn-codes.h".
3372         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
3373         (TARGET_DEFAULT_TARGET_FLAGS): New.
3374         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
3375
3376 2005-07-11  Steven Bosscher  <stevenb@suse.de>
3377
3378         * basic-block.h: Give the BB flags enum a name, bb_flags.
3379         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
3380         * cfgcleanup.c (enum bb_flags): Remove here.
3381         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
3382         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
3383         (update_forwarder_flag): Likewise.
3384         (thread_jump): Likewise.
3385         (try_forward_edges): Likewise.
3386         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
3387         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
3388         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
3389
3390 2005-07-11  Richard Guenther  <rguenther@suse.de>
3391
3392         * config/i386/i386.opt: New target option -msseregparm.
3393         * config/i386/i386.c (override_options): Error out for
3394         -msseregparm but no SSE support.
3395         (ix86_function_sseregparm): Check for global sseregparm.
3396         * doc/invoke.texi: Document -msseregparm.
3397
3398 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3399
3400         * config.gcc (m32r-*-linux*): Use the default extra_parts.
3401         (m32rle-*-linux*): Ditto.
3402
3403 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
3404
3405         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
3406         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
3407         bytes.
3408
3409 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3410
3411         PR middle-end/22239
3412         PR target/20126
3413         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
3414         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
3415
3416 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
3417
3418         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
3419         (varmap): Heapify varmap.
3420         (constraints): Heapify constraints.
3421         (struct constraint_graph): Heapify succs and preds.
3422         (constraint_vec_find): Update for heapification.
3423         (constraint_set_union): Ditto.
3424         (insert_into_complex): Ditto.
3425         (constraint_edge_vec_find): Ditto.
3426         (erase_graph_self_edge): Ditto.
3427         (add_graph_edge): Ditto.
3428         (get_graph_weights): Ditto.
3429         (merge_graph_nodes): Ditto.
3430         (build_constraint_graph): Ditto.
3431         (topo_visit): Ditto.
3432         (solve_graph): Ditto.
3433         (create_variable_info_for): Ditto.
3434         (init_base_vars): Ditto.
3435         (delete_points_to_sets): Free graph, varmap, and complex constraints.
3436         (condese_varmap_nodes): Free complex vector.
3437         (clear_edges_for_node): Clear succs and preds vector.
3438
3439 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3440
3441         * tree-ssa-structalias.c (update_alias_info): Change counting of
3442         references to not include vdefs.
3443
3444 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
3445
3446         * tree-ssa-alias.c (free_used_part_map): Add missing free.
3447         (up_insert): Ditto.
3448
3449 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3450
3451         * pa.c (pa_commutative_p): Make PLUS commutative when
3452         TARGET_NO_SPACE_REGS is true.
3453
3454 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3455
3456         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
3457         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
3458         * tree-dfa.c (dump_subvars_for): New.
3459         (debug_subvars_for): New.
3460         (dump_variable): Show subvariables if VAR has them.
3461         * tree-flow-inline.h (get_subvar_at): New.
3462         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
3463         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
3464         Update all users.
3465         (struct subvar): Change fields offset and size to unsigned
3466         HOST_WIDE_INT.
3467         (dump_subvars_for): Declare.
3468         (debug_subvars_for): Declare.
3469         (get_subvar_at): Declare.
3470         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
3471         to unsigned HOST_WIDE_INT *.
3472         (overlap_subvar): Likewise.
3473         * tree-gimple.c (is_gimple_reg): Always return false for
3474         SFTs and memory tags.
3475         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
3476         Update all callers.
3477         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
3478         (compute_may_aliases): Call compute_points_to_sets.
3479         (collect_points_to_info_for): Remove.
3480         (compute_points_to_and_addr_escape): Remove.
3481         (delete_alias_info): Call delete_points_to_sets.
3482         (compute_flow_sensitive_aliasing): If the call to
3483         find_what_p_points_to returns false, call set_pt_anything.
3484         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
3485         (set_pt_anything): Clear pi->pt_vars.
3486         (set_pt_malloc): Remove.
3487         (merge_pointed_to_info): Remove.
3488         (add_pointed_to_expr): Remove.
3489         (add_pointed_to_var): Remove.
3490         (collect_points_to_info_r): Remove.
3491         (is_escape_site): Make extern.
3492         (create_sft): New.
3493         (create_overlap_variables_for): Call it.
3494         * tree-ssa-copy.c (merge_alias_info): Never merge
3495         flow-sensitive alias information.
3496         * tree-ssa-operands.c (get_expr_operands): Adjust variables
3497         offset and size to be unsigned HOST_WIDE_INT.
3498         (add_to_addressable_set): Rename from note_addressable.
3499         Set TREE_ADDRESSABLE as the variables are added to the set.
3500         Update all users.
3501         (add_stmt_operand): Do not try to micro-optimize unmodifiable
3502         operands into VUSEs when adding V_MAY_DEFs for members in an
3503         alias set.
3504         * tree-ssa-operands.h (add_to_addressable_set): Declare.
3505         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
3506         (struct variable_info): Add bitfield is_heap_var.
3507         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
3508         (new_var_info): Initialize is_heap_var.
3509         (get_constraint_for): Add HEAP variables to the symbol table.
3510         Mark them with is_heap_var.
3511         (update_alias_info): New.  Taken mostly from the old
3512         compute_points_to_and_addr_escape.
3513         (handle_ptr_arith): New.
3514         (find_func_aliases): Call update_alias_info.
3515         Call handle_ptr_info for tcc_binary expressions.
3516         Call mark_stmt_modified.
3517         (create_variable_info_for): If DECL has subvars, do not create
3518         variables for its subvars.  Always add all the fields.
3519         (set_uids_in_ptset): If the solution includes ANYOFFSET and
3520         SFTs, then add all the SFTs of the structure.
3521         If VI->DECL is an aggregate with subvariables, add the SFT at
3522         VI->OFFSET.
3523         (find_what_p_points_to): If VI is an artificial variable,
3524         translate to bitfields in SSA_NAME_PTR_INFO.
3525         If the solution is empty, set pi->pt_vars to NULL
3526         (init_base_vars): Create ANYOFFSET.
3527         (compute_points_to_sets): Rename from create_alias_vars.
3528         Make extern.
3529         (pass_build_pta): Remove.
3530         (delete_points_to_sets): Rename from delete_alias_vars.
3531         (pass_del_pta): Remove.
3532         * tree-ssa-structalias.h (struct alias_info): Move from
3533         tree-ssa-alias.h.
3534         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
3535         NUM_REFERENCES_SET): Likewise.
3536         (compute_points_to_sets, delete_points_to_sets): Declare.
3537
3538 2005-07-09  Richard Henderson  <rth@redhat.com>
3539
3540         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
3541         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
3542         alpha_split_lock_test_and_set_12): New functions.
3543         * config/alpha/alpha-protos.h: Update.
3544         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
3545         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
3546         * config/alpha/sync.md (I12MODE): New.
3547         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
3548         (sync_<fetchop_name><I48MODE>): Likewise.
3549         (sync_nand<I48MODE>): Likewise.
3550         (sync_old_<fetchop_name><I48MODE>): Likewise.
3551         (sync_new_<fetchop_name><I48MODE>): Likewise.
3552         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3553         (sync_compare_and_swap<I48MODE>): Likewise.
3554         (sync_lock_test_and_set<I48MODE>): Likewise.
3555         (sync_compare_and_swap<I12MODE>): New.
3556         (sync_compare_and_swap<I12MODE>_1): New.
3557         (sync_lock_test_and_set<I12MODE>): New.
3558         (sync_lock_test_and_set<I12MODE>_1): New.
3559
3560 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
3561
3562         PR 21356
3563         PR 22332
3564         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
3565
3566 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
3567
3568         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
3569         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
3570
3571 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
3572
3573         PR target/21656
3574         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3575
3576 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
3577
3578         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
3579         memory_operand constraint.
3580         (store_conditional_<mode>): Same.
3581         (sync_compare_and_swap<mode>): Same.
3582         (sync_lock_test_and_set<mode>): Same.
3583
3584 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
3585
3586         Rewrite PIC support to more closely model actual instructions.
3587         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
3588         (cris_symbol): Remove prototypes for removed functions.
3589         (cris_pic_symbol_type_of, cris_valid_pic_const)
3590         (cris_expand_pic_call_address): Prototypes for new functions.
3591         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
3592         variable.
3593         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
3594         modifiers.
3595         <case ':'>: Add case for new punctuation character.
3596         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
3597         emitting (extra) PIC modifier.
3598         <case UNSPEC>: Do not assert for PLT.
3599         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
3600         (cris_expand_prologue, cris_expand_epilogue): Check
3601         for pic_offset_table_rtx usage instead of taking
3602         current_function_uses_pic_offset_table as the final word.
3603         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
3604         Remove flag_pic difference.
3605         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
3606         the moral equivalents of...
3607         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
3608         functions.
3609         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
3610         (cris_handle_option): Mark ARG as unused.
3611         (cris_expand_pic_call_address): New worker function for "call",
3612         "call_value".
3613         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
3614         output PIC constructs here.
3615         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
3616         as symbol-specific modifers, not whole or part of operands.
3617         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
3618         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
3619         constants and flag_pic.
3620         (CONSTANT_INDEX_P): Adjust for new functions.
3621         (enum cris_pic_symbol_type): New helper type.
3622         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
3623         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
3624         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
3625         define_constants.
3626         ("movsi"): Emit actual instructions for GOT and relative access.
3627         ("*movsi_got_load"): New pattern to set up the register holding
3628         the GOT pointer.
3629         ("*movsi_internal"): Operand 1 is not a plain general_operand.
3630         Adjust FIXME for 'S'.
3631         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
3632         Use "movs" for -fpic cases.
3633         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
3634         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
3635         ("call", "call_value"): Just call cris_expand_pic_call_address for
3636         PIC addresses.
3637         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
3638         Remove special pattern.
3639         ("*expanded_call_side", "*expanded_call_value_side"): New
3640         patterns.
3641         (gotplt-to-plt, gotplt-to-plt-side-call)
3642         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
3643         peephole2:s.
3644         * config/cris/cris/predicates.md
3645         ("cris_general_operand_or_gotless_symbol"): Remove unused
3646         predicate.
3647         ("cris_general_operand_or_symbol"): Adjust for new functions.
3648
3649 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
3650
3651         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
3652
3653 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
3654
3655         * Makefile.in (TREE_H): Add treestruct.def.
3656         (c-decl.o): Add pointer-set.h
3657         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
3658         visibility on regular DECL's.
3659         (merge_decls): Fix the copying of decl nodes of various types for
3660         the new structures.  Don't update RTL, section name, weak status,
3661         etc, on DECL's without RTL.
3662         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
3663         Don't check volatile on non-variable types.
3664         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
3665         to check whether we have seen arguments.
3666         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
3667         flag is checked before field (flag is common, field is not).
3668         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
3669         TS_DECL_COMMON could have an origin.
3670         (add_location_or_const_value_attribute): Don't check section name
3671         on non-var/function decls.
3672         (dwarf2out_var_location): Reverse order of tests.
3673         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
3674         with DECL_WRTL_CHECK.
3675         * expmed.c (make_tree): rtl is now in decl_with_rtl.
3676         * fold-const.c (fold_binary): Don't check weakness on
3677         non-var/function decls.
3678         (tree_expr_nonzero_p): Ditto.
3679         (fold_checksum_tree): Use tree_decl_extra as sizeof
3680         buffer.
3681         * ggc-page.c (extra_order_size_table): Add sizes for
3682         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
3683         tree_field_decl.
3684         * gimplify.c (gimplify_bind_expr): Only set
3685         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
3686         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
3687         without RTL.
3688         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
3689         * langhooks.h (init_ts). New langhook.
3690         * passes.c (rest_of_decl_compilation): Reverse order of tests.
3691         * print-tree.c (print_node): Update to only print fields that
3692         exist in the structures the passed decl has.
3693         * toplev.c (wrapup_global_declarations): Don't reset
3694         DECL_DEFER_OUTPUT on DECL's that don't contain it.
3695         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
3696         * tree-inline.c (remap_decl): Ditto.
3697         * tree-outof-ssa.c (create_temp): Reverse order of tests.
3698         * tree-pretty-print.c (print_declaration): Don't print
3699         DECL_REGISTER on things that don't contain it.
3700         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
3701         non-var/function decls.
3702         * tree.c (tree_contains_struct): New structure.
3703         (init_priority_for_decl): New hashtable.
3704         (tree_int_map): New structure.
3705         (tree_int_map_eq): New function.
3706         (tree_int_map_marked_p): Ditto.
3707         (tree_int_map_hash): Ditto.
3708         (tree_map): Move to tree.h.
3709         (tree_map_eq): Externalize.
3710         (tree_map_hash): Ditto.
3711         (tree_map_marked_p): Ditto.
3712         (init_ttree): Set up tree_contains_struct and call langhook.
3713         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
3714         (tree_code_size): Update for new structures.
3715         (tree_node_structure): Update for new structures.
3716         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
3717         without the field.
3718         (copy_node_stat):  Copy init priority.
3719         (build_decl_stat): Ditto for visibility.
3720         (ts_enum_names): New.
3721         (tree_contains_struct_check_failed): New function.
3722         (decl_init_priority_lookup): Ditto.
3723         (decl_init_priority_insert): Ditto.
3724         * treestruct.def: New file.
3725         * tree.h (CODE_CONTAINS_STRUCT): New macro.
3726         (CONTAINS_STRUCT_CHECK): Ditto.
3727         (tree_contains_struct_check_failed): New prototype.
3728         (DECL_CHECK): Removed.
3729         (DECL_MINIMAL_CHECK): New.
3730         (DECL_COMMON_CHECK): Ditto.
3731         (DECL_WRTL_CHECK): Ditto.
3732         (DECL_NON_COMMON_CHECK): Ditto.
3733         (DECL_WITH_VIS_CHECK): Ditto.
3734         (VAR_OR_FUNCTION_DECL_P): Ditto
3735         (struct tree_decl_minimal): New structure.
3736         (struct tree_decl_common): Ditto.
3737         (struct tree_decl_with_rtl): Ditto.
3738         (struct tree_decl_with_vis): Ditto.
3739         (struct tree_decl_non_common): Ditto.
3740         (struct tree_field_decl): Ditto.
3741         (struct tree_parm_decl): Ditto.
3742         (struct tree_var_decl): Ditto.
3743         (struct tree_function_decl): Ditto.
3744         (struct tree_const_decl): Ditto.
3745         (struct tree_result_decl): Ditto.
3746         (union tree_node): Add new structures.
3747         * var-tracking.c (track_expr_p): Reverse order of tests.
3748
3749         * doc/c-tree.texi: Add documentation on DECL node internal structure.
3750
3751 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
3752
3753         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
3754         * system.h: Poison FINALIZE_PIC.
3755         * doc/tm.texi (FINALIZE_PIC): Remove.
3756
3757 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
3758
3759         PR tree-opt/22329
3760         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
3761         to the correct type if we have a MODIFY_EXPR.
3762
3763 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
3764
3765         PR tree-optimization/22360
3766         * tree.c (upper_bound_in_type): Fix calculations for casting
3767         to a non-wider signed type and casting a signed value to a
3768         wider unsigned type.
3769         (lower_bound_in_type): Fix calculations for casting to a
3770         non-wider signed type.
3771
3772         PR tree-optimization/20139
3773         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
3774         release_defs.
3775         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
3776         fold_cond_expr_cond.
3777         * tree-ssanames.c (release_defs): Assert in_ssa_p.
3778         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
3779
3780 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
3781
3782         PR tree-opt/22356
3783         * tree-complex.c (expand_complex_libcall): Produce
3784         REALPART_EXPR/IMAGPART_EXPR with the correct type.
3785
3786 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
3787
3788         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
3789         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
3790         b" assert and inserted fastpath code for this case.
3791         (bitmap_ior): Removed "a != b" assert.
3792
3793 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3794
3795         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
3796         (ENDFILE_SPEC): Likewise.
3797         * config/m32r/m32r.h (ASM_SPEC): Likewise.
3798
3799         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
3800         a large stack frame at epilogue.
3801
3802 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
3803
3804         * final.c: Include sdbout.h when required.
3805
3806 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
3807
3808         * config.gcc (*-*-darwin*): Only one target-specific header file
3809         for generic darwin.
3810         (powerpc-*-darwin*): Add version-specific header files.
3811         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
3812         * config.in: Regenerate.
3813         * configure: Regenerate.
3814         * gcc.c: Include xregex.h.
3815         (version_compare_spec_function): New.
3816         (spec_function): Add version-compare.
3817         (replace_outfile_spec_function): Reformat comment.
3818         (compare_version_strings): New.
3819         * config/darwin-c.c (version_as_macro): New.
3820         (builtin_define): New.
3821         (darwin_cpp_builtins): New.
3822         * config/darwin-protos.h (darwin_cpp_builtins): New.
3823         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
3824         (LIB_SPEC): Make unconditional, update comment.
3825         (TARGET_C99_FUNCTIONS): Define.
3826         * config/darwin.opt: Sort.
3827         (mmacosx-version-min=): New.
3828         * config/darwin7.h: Delete.
3829         * config/darwin8.h: Delete.
3830         * config/i386/darwin.h (): Call darwin_cpp_builtins.
3831         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
3832         (TARGET_C99_FUNCTIONS): Define.
3833         * config/rs6000/darwin7.h: New.
3834         * config/rs6000/darwin8.h: New.
3835         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
3836         (-mmacosx-version-min): Document.
3837
3838 2005-07-07  Ian Lance Taylor  <ian@airs.com>
3839
3840         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
3841
3842 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
3843
3844         PR middle-end/22239
3845         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
3846
3847 2005-07-07  Khem Raj  <kraj@mvista.com>
3848
3849         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
3850         in bytes, not words.
3851
3852 2005-07-07  Paul Brook  <paul@codesourcery.com>
3853
3854         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
3855         DEFAULT_FUNCTION_ARG_PADDING to upward.
3856
3857 2005-07-07  Richard Henderson  <rth@redhat.com>
3858
3859         * function.c (locate_and_pad_parm): Record parameter alignment in
3860         stack_alignment_needed.
3861
3862 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
3863
3864         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
3865         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
3866         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
3867         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
3868         (define_attr "type"): Add isync, sync, load_l, store_c.
3869         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
3870         Create scratch volatile MEM.
3871         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
3872         sync.
3873         (load_locked_<mode>): New.
3874         (store_conditional_<mode>): New.
3875         (sync_compare_and_swap<mode>): Replace with splitter.
3876         (sync_lock_test_and_set<mode>): Replace with splitter.
3877         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
3878         and UNSPECV_ISYNC.
3879         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
3880         is ics.  Attribute isync.
3881         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
3882         lwsync.
3883         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
3884         and UNSPECV_SYNC_OP.
3885         (emit_unlikely_jump): New.
3886         (emit_load_locked): New.
3887         (emit_store_conditional): New.
3888         (rs6000_split_compare_and_swap): New.
3889         (rs6000_split_lock_test_and_set): New.
3890         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
3891         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
3892         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
3893         rs6000_split_lock_test_and_set): Declare.
3894         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
3895         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
3896         store_c, isync, sync.
3897
3898 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
3899
3900         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
3901         filenames to gtyp-gen.h.
3902         (s-typ-gen): Use it in place of for loops.
3903
3904 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
3905
3906         * hooks.c (hook_bool_rtx_int_false): New function.
3907         * hooks.h (hook_bool_rtx_int_false): Declare.
3908         * target-def.h (TARGET_COMMUTATIVE_P): Define.
3909         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
3910         * target.h (struct gcc_target): Add commutative_p member.
3911         * targhooks.c (hook_bool_rtx_commutative_p): New function.
3912         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
3913         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
3914         (pa_commutative_p): New function.
3915         * jump.c (target.h): Include.
3916         (rtx_renumbered_equal_p): Use targetm.commutative_p.
3917         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
3918
3919 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
3920
3921         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
3922         (s390_expand_setmem): New.
3923         * config/s390/s390.c: Likewise.
3924         (print_shift_count_operand): Truncate to 12 bits instead of 6.
3925         Adapt comments.
3926         * config/s390/s390.md: ("setmem<mode>"): Accept character as
3927         general_operand.  Call new function "s390_expand_setmem".
3928         ("clrmem_long", "*clrmem_long"): Rewrite to ...
3929         ("setmem_long", "*setmem_long"): ... this.
3930
3931 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
3932
3933         * config/s390/s390.c: (optimization_options): Enable
3934         TARGET_MVCLE at -Os.
3935         * doc/invoke.texi: Document changes in default behaviour.
3936         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
3937
3938 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
3939
3940         * expr.c: (set_storage_via_setmem): Convert opchar to mode
3941         defined by back-end.
3942
3943 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
3944
3945         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
3946         all sets in the pattern.
3947         * config/rs6000/rs6000.md (stack_protect_testsi,
3948         stack_protect_testdi): Likewise.
3949
3950 2005-07-06  Jeff Law  <law@redhat.com>
3951
3952         * tree-vrp.c (simplify_using_ranges): Kill.
3953         (vrp_finalize): Remove call to simplify_using_ranges.
3954         (simplify_stmt_using_ranges): New function extracted from
3955         simplify_using_ranges.
3956         (simplify_div_or_mod_using_ranges): Likewise.
3957         (simplify_abs_using_ranges): Likewise.
3958         (simplify_cond_using_ranges): New function.
3959         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
3960         * tree-ssa-propagate.c (substitute_and_fold): Call
3961         simplify_stmt_using_ranges if we have range information.
3962
3963 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
3964
3965         * config/ia64/ia64.c (ia64_reorg): Check optimize before
3966         ia64_flag_schedule_isns2.
3967
3968         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
3969         reading/writing general registers.
3970         (ia64_function_arg): Revert 2005-06-18 change.
3971
3972 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3973
3974         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
3975         (legitimize_tls_address): Use gcc_unreachable instead of abort.
3976
3977 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
3978
3979         * function.c (expand_function_end): Revert part of 2005-06-27
3980         patch.  Do sjlj_emit_function_exit_after after return_label.
3981
3982 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
3983
3984         * doc/install.texi (--disable-libssp): New.
3985
3986 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
3987
3988         * doc/invoke.texi: Update -fforce-mem documentation.
3989         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
3990         code for -fforce-mem.
3991         * expmed.c: (store_bit_field,store_fixed_bit_field,
3992         extract_bit_field): Ditto.
3993         * expr.c: (convert_move): Ditto.
3994         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
3995         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
3996         emit_conditional_add,expand_float,expand_fix): Ditto.
3997         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
3998         (common_handle_option): Issue warning when -fforce-mem specified.
3999
4000 2005-07-06  Paul Brook  <paul@codesourcery.com>
4001
4002         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
4003         argument is empty.
4004         * configure: Regenerate.
4005
4006 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
4007
4008         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
4009
4010 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
4011
4012         Fix PR tree-optimization/22319
4013         Fix PR tree-optimization/22140
4014         Fix PR tree-optimization/22310
4015
4016         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
4017         variable sized types.
4018         Use correct type for intermediate structure on *a = *b structure
4019         copies.
4020
4021 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4022
4023         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
4024         Remove.
4025         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
4026         (machine_function): Move typedef to...
4027         * config/rs6000/rs6000.c (machine_function): ... here.  Add
4028         varargs_save_offset field.
4029         (rs6000_stack_t): Remove varargs_size field.
4030         (setup_incoming_varargs): Allocate varargs save area using
4031         assign_stack_local, try to make it as small as possible.
4032         Save offset from virtual_stack_vars_rtx to the save area
4033         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
4034         instead of magic 8 when fp word byte size is used.
4035         (rs6000_va_start): Use cfun->machine->varargs_save_offset
4036         instead of -RS6000_VARARGS_SIZE.
4037         (rs6000_stack_info, debug_stack_info,
4038         rs6000_initial_elimination_offset): Remove all traces of
4039         varargs_size.
4040         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
4041         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
4042         RS6000_VARARGS_AREA.
4043
4044 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
4045
4046         PR tree-optimization/21963
4047         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
4048         constant_multiple_of in the same way get_computation_cost_at does.
4049
4050 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
4051
4052         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
4053         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
4054         (gen_compare_reg): If sparc_compare_emitted is set, clear it
4055         and return its previous value.
4056         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
4057         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
4058         constants.
4059         (stack_protect_set, stack_protect_test): New expanders.
4060         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
4061         stack_protect_testdi): New insns.
4062         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4063         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
4064
4065 2005-07-06  Jeff Law  <law@redhat.com>
4066
4067         * tree-ssa-dce.c (cfg_altered): New global.
4068         (tree_dce_init): Initialize cfg_altered.
4069         (remove_dead_stmt): If we remove an edge in the CFG, then set
4070         CFG_ALTERED.
4071         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
4072         the dominators.
4073
4074 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
4075
4076         * Makefile.in (stamp-collect-ld): Use
4077         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
4078         ./collect-ld if it already exists.
4079         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
4080         Don't remove ./nm if it already exists.
4081
4082 2005-07-05  Devang Patel  <dpatel@apple.com>
4083
4084         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
4085         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
4086         * tree-vectorizer.c (vect_loop_location): New.
4087         (vect_print_dump_info): Use vect_loop_location.
4088         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
4089         (vectorize_loops): Set vect_loop_location.
4090         * tree-vect-analyze.c (vect_analyze_offset_expr,
4091         vect_determin_vectorization_factor, vect_analyze_operations,
4092         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
4093         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
4094         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
4095         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
4096         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
4097         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
4098         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
4099         vect_analyze_loop): Adjust vect_print_dump_info API.
4100         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4101         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
4102         vect_finish_stmt_generation, vectorizable_assignment,
4103         vectorizable_operation, vectorizable_store, vectorizable_load,
4104         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
4105         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4106         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
4107         vect_transform_loop): Same.
4108         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
4109         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
4110         Same.
4111
4112 2005-07-05  Randolph Chung  <tausq@debian.org>
4113
4114         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
4115         * configure: Regenerate.
4116         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
4117         (pa_tls_referenced_p): Declare.
4118         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
4119         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
4120         (legitimize_tls_address): New.
4121         (hppa_legitimize_address): Handle TLS addresses.
4122         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
4123         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
4124         (emit_move_sequence): Handle TLS addresses.
4125         (pa_encode_section_info): Call default handler to handle common
4126         sections.
4127         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
4128         (CONSTANT_ADDRESS_P): Reject TLS operands.
4129         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
4130         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
4131         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
4132         (UNSPEC_TLSLE): Define new constants.
4133         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
4134         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
4135         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
4136         (tie_symbolic_operand, tle_symbolic_operand): New
4137
4138 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
4139
4140         * aclocal.m4: Update macros for autoconf 2.59 style.
4141         * configure.ac: Likewise.
4142
4143 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4144
4145         * pa.c (function_value): Handle small aggregates on 32-bit targets.
4146         (function_arg): Pass small aggregates in general registers on 32-bit
4147         targets.
4148         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
4149
4150 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
4151
4152         * Makefile.in (final.o): Fix dependencies.
4153
4154 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4155
4156         PR c/22013
4157         PR c/22098
4158         * langhooks.h (struct lang_hooks): Add expr_to_decl.
4159         * langhooks.c (lhd_expr_to_decl): New.
4160         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
4161         New.
4162         (LANG_HOOKS_INITIALIZER): Update.
4163         * tree.c (recompute_tree_invarant_for_addr_expr): Call
4164         expr_to_decl langhook.
4165         * c-tree.h (c_expr_to_decl): Declare.
4166         * c-typeck.c (c_expr_to_decl): New.
4167         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
4168         specially.
4169         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
4170
4171 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
4172
4173         PR c/22308
4174         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
4175         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
4176
4177 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
4178
4179         * Makefile.in: Adjust dependencies.
4180         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
4181         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
4182         * alias.c (rest_of_handle_cfg, pass_cfg): New.
4183         * bb-reorder.c (duplicate_computed_gotos): Make it static.
4184         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
4185         rest_of_compilation.
4186
4187         * bb-reorder.c (gate_duplicate_computed_gotos,
4188         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
4189         rest_of_handle_reorder_blocks, pass_reorder_blocks,
4190         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
4191         pass_partition_blocks): New.
4192         * bt-load.c (gate_handle_branch_target_load_optimize,
4193         rest_of_handle_branch_target_load_optimize,
4194         pass_branch_target_load_optimize): New.
4195         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
4196         pass_jump2): New.
4197         * cfglayout.c (pass_insn_locators_initialize): New.
4198         * cfgrtl.c (pass_free_cfg): New.
4199         * combine.c (gate_handle_combine, rest_of_handle_combine,
4200         pass_combine): New.
4201         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
4202         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
4203         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
4204         * except.c (pass_set_nothrow_function_flags,
4205         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
4206         pass_rtl_eh): New.
4207         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
4208         rest_of_handle_shorten_branches, pass_shorten_branches,
4209         rest_of_clean_state, pass_clean_state): New.
4210         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
4211         rest_of_handle_remove_death_notes, pass_remove_death_notes,
4212         rest_of_handle_life, pass_life, rest_of_handle_flow2,
4213         pass_flow2): New.
4214         * function.c (pass_instantiate_virtual_regs, pass_init_function,
4215         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
4216         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
4217         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
4218         pass_gcse): New.
4219         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
4220         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
4221         pass_rtl_ifcvt, gate_handle_if_after_combine,
4222         rest_of_handle_if_after_combine, pass_if_after_combine,
4223         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
4224         pass_if_after_reload): New.
4225         * integrate.c (pass_initial_value_sets): New.
4226         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
4227         pass_purge_lineno_notes): New.
4228         * mode-switching.c (rest_of_handle_mode_switching,
4229         pass_mode_switching): New.
4230         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
4231         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
4232         pass_loop2): New.
4233         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
4234         pass_loop_optimize): New.
4235         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
4236         pass_sms): New.
4237         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
4238         pass_gcse2): New.
4239         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
4240         pass_postreload_cse): New.
4241         * profile.c (gate_handle_profiling, pass_profiling,
4242         rest_of_handle_branch_prob, pass_branch_prob): New.
4243         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
4244         pass_split_before_regstack, gate_handle_split_before_regstack,
4245         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
4246         rest_of_handle_split_all_insns, pass_split_all_insns): New.
4247         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
4248         pass_stack_regs): New.
4249         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
4250         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
4251         pass_stack_adjustments): New.
4252         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
4253         pass_regrename): New.
4254         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
4255         pass_delay_slots, gate_handle_machine_reorg,
4256         rest_of_handle_machine_reorg, pass_machine_reorg): New.
4257         * rtl.h (extern void purge_line_number_notes): New.
4258         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
4259         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
4260         pass_sched2): New.
4261         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
4262         pass_tracer): New.
4263         * value-prof.c (gate_handle_value_profile_transformations,
4264         rest_of_handle_value_profile_transformations,
4265         pass_value_profile_transformations): New.
4266         * var-tracking.c (gate_handle_var_tracking,
4267         pass_variable_tracking): New.
4268         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
4269
4270         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
4271         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
4272         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
4273         rest_of_handle_old_regalloc, rest_of_handle_regrename,
4274         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
4275         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
4276         rest_of_handle_gcse2, rest_of_handle_regmove,
4277         rest_of_handle_tracer, rest_of_handle_if_conversion,
4278         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
4279         rest_of_handle_web, rest_of_handle_branch_prob,
4280         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
4281         rest_of_handle_jump_bypass, rest_of_handle_combine,
4282         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
4283         rest_of_handle_gcse, rest_of_handle_loop_optimize,
4284         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
4285         rest_of_handle_mode_switching, rest_of_handle_jump,
4286         rest_of_handle_eh, rest_of_handle_stack_adjustments,
4287         rest_of_handle_flow2, rest_of_handle_jump2,
4288         rest_of_handle_peephole2, rest_of_handle_postreload,
4289         rest_of_handle_shorten_branches, rest_of_clean_state,
4290         rest_of_compilation): Remove.
4291
4292         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
4293         * passes.c (dump_flags, in_gimple_form, all_passes,
4294         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4295         register_dump_files, next_pass_1, last_verified, execute_todo,
4296         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
4297         from tree-optimize.c.
4298         (init_optimization_passes): Moved from tree-optimize.c,
4299         adding the RTL optimizations.
4300         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
4301         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
4302         all_ipa_passes, all_lowering_passes, register_one_dump_file,
4303         register_dump_files, next_pass_1, last_verified, execute_todo,
4304         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
4305         init_tree_optimization_passes, ipa_passes): Delete.
4306         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
4307         the RTL dumps.
4308         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
4309         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
4310         from tree.h.
4311         (ipa_passes): Remove.
4312         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
4313         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
4314         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
4315         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
4316         (dump_info_p, dump_flag): Moved to tree-dump.h.
4317
4318         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
4319         cgraph.c, opts.c.
4320         * passes.c (finish_optimization_passes): Use dump_begin
4321         and dump_end, TDI_end.
4322         (gate_rest_of_compilation): New.
4323         (pass_rest_of_compilation): Use it.
4324         (gate_postreload, pass_postreload): New.
4325         * toplev.c (general_init): Rename init_tree_optimization_passes.
4326         * toplev.h (init_tree_optimization_passes): Rename to
4327         init_optimizations_passes.
4328         * tree-dump.c (dump_flag): Make static.
4329         (dump_files): Remove RTL dumps.
4330         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
4331         pass_cleanup_cfg, pass_free_cfg_annotations,
4332         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
4333         pass_init_datastructures, pass_fixup_cfg): Make non-static.
4334         * tree-pretty-print.c: Include tree-pass.h.
4335         * cgraph.c: Include tree-dump.h.
4336
4337 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4338
4339         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
4340         Only fall back to saying it points to readonly memory if
4341         we can't do better.
4342
4343 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
4344
4345         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
4346         * config/m32r/m32r.c (m32r_compute_frame_size,
4347         m32r_expand_prologue): Take current_function_profile into
4348         account whenever we reference
4349         current_function_uses_pic_offset_table.
4350         (m32r_finalize_pic): Remove.
4351         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
4352
4353 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
4354
4355         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
4356         instead of $<.  Don't remove ./as if it already exists.
4357
4358 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4359
4360         PR target/21723
4361         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
4362         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
4363         for complex modes when generating code for PA 1.0.
4364         (VALID_FP_MODE_P): New macro.
4365         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4366         sets for all general and floating point modes.  Align wide floating
4367         point modes to even register boundaries to comply with architectural
4368         requirements.
4369         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
4370         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
4371         (VALID_FP_MODE_P): New macro.
4372         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
4373         sets for all general and floating point modes.  Align wide floating
4374         point modes to even register boundaries to comply with architectural
4375         requirements.
4376
4377 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4378
4379         * tree-dump.c (dump_files): Initialize dump number for .cgraph
4380         to 0.
4381
4382 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4383
4384         * tree-ssa-structalias.c: Don't include expr.h.
4385
4386 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
4387
4388         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
4389         comments.
4390
4391 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
4392
4393         Fix PR tree-optimization/22279
4394
4395         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
4396         correct operator.
4397
4398 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
4399
4400         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
4401
4402 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4403
4404         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
4405         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
4406         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
4407         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
4408         config/stormy16/stormy16.c, config/v850/v850.c,
4409         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
4410         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
4411         Avoid "." or "\n" at end of diagnostics and capital letters at
4412         start of diagnostics.
4413         * combine.c, cse.c: Don't translate dump file output.
4414         * toplev.c (print_version): Only translate output if going to
4415         stderr.
4416
4417 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4418
4419         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
4420         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
4421         typos.
4422
4423 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4424
4425         * pa.c (fix_range): Fix typo in comment.
4426
4427 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
4428
4429         * tree-vrp.c (extract_range_from_assert): Replace
4430         fold (build (...)) with fold_build2.
4431
4432 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4433
4434         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
4435         gcc_gfc_char_table, init_dynamic_gfc_info): New.
4436         (format_types_orig, handle_format_attribute): Add support for
4437         format "gcc_gfc".
4438
4439 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4440
4441         * varasm.c (assemble_variable): Fix format specifier thinko.
4442
4443 2005-07-03  Ira Rosen  <irar@il.ibm.com>
4444
4445         PR tree-optimization/22029 (and 22135)
4446         * tree-pretty-print.c (dump_generic_node): Check that the node is not
4447         a phi node before calling dump_vops.
4448
4449 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4450
4451         * tree-dump.h (dump_string_field): Declare.
4452         * tree-dump.c: Use it instead of dump_string.
4453         (dump_string_field): Make non-static.
4454
4455 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4456
4457         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
4458         up the minimal CFG stuff always when optimize > 0.  Call
4459         split_all_insns_noflow in PIC case if needed.
4460
4461 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4462             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
4463
4464         PR c++/18279
4465         * c-decl.c (c_write_global_declarations): Dump contents of
4466         external scope to.
4467         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
4468         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
4469         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
4470         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
4471         is enabled.
4472
4473 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
4474
4475         * c-common.h (GCC_DIAG_STYLE): Define.
4476         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
4477         version for format checking to 4.1.
4478         * c-format.c: Include toplev.h after c-common.h.
4479         (enum format_type): Add gcc_tdiag_format_type.
4480         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
4481         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
4482         (format_types_orig): Add gcc_tdiag.
4483         (init_dynamic_diag_info): Support gcc_tdiag formats.
4484         (handle_format_attribute): Likewise.
4485         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
4486         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
4487         version for format checking to 4.1.
4488         (warning0, warning, error, pedwarn, sorry): Use
4489         ATTRIBUTE_GCC_DIAG.
4490         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
4491         (finish_aliases_1): Do not use %qE.
4492         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
4493         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
4494         Correct format bugs.
4495         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
4496         parameter to unsigned HOST_WIDE_INT.
4497         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
4498
4499 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
4500
4501         PR middle-end/21742
4502         * expr.c (write_complex_part): Use adjust_address for MEM.
4503         (read_complex_part): Same.
4504
4505 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
4506
4507         Fix PR tree-optimization/22280
4508
4509         * tree-sra.c (generate_element_init): Remove useless loop.
4510
4511 2005-07-02  Richard Henderson  <rth@redhat.com>
4512
4513         * config/alpha/alpha.c (alpha_legitimize_address): Check for
4514         TLS_MODEL_NONE.
4515         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
4516
4517 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
4518
4519         PR middle-end/14490
4520         * fold-const.c (fold_binary): Handle the return value of
4521         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
4522         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
4523
4524 2005-07-02  Jeff Law  <law@redhat.com>
4525
4526         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
4527         a eliminate type conversion which feeds an equality comparison
4528         if the original type or either operand in the comparison is a
4529         function pointer.
4530
4531 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
4532
4533         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
4534         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
4535         texts.
4536         * config/avr/avr.c: Do not use '`' as left quote.
4537         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
4538         Remove "." from end of diagnostics.  Make diagnostics start with
4539         lowercase letter.
4540
4541 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
4542             Joseph S. Myers  <joseph@codesourcery.com>
4543
4544         * toplev.c (default_tree_printer): Handle setting location with
4545         '+' flag.
4546         * c-objc.common.c (c_tree_printer): Likewise.
4547         * c-format.c (gcc_diag_flag_specs): Add '+'.
4548         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
4549         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
4550         formats.
4551         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
4552         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
4553         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
4554         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
4555         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
4556         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
4557         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
4558         format arguments where %J is used without %D.
4559
4560 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
4561
4562         * gcc.c (LINK_SSP_SPEC): Define.
4563         (link_ssp_spec): New variable.
4564         (LINK_COMMAND_SPEC): Add %(link_ssp).
4565         (static_specs): Add link_ssp_spec.
4566         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
4567         * configure: Rebuilt.
4568         * config.in: Rebuilt.
4569
4570         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4571         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4572         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4573         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
4574         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
4575         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
4576         -0x7008(2) instead of reading __stack_chk_guard variable.
4577         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
4578         number.
4579         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
4580         (stack_protect_set, stack_protect_test): Use *_tls* patterns
4581         if TARGET_THREAD_SSP_OFFSET is defined.
4582         (stack_tls_protect_set_si, stack_tls_protect_set_di,
4583         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
4584
4585         Revert:
4586         2005-06-27  Richard Henderson  <rth@redhat.com>
4587         * libgcc-std.ver (GCC_4.1.0): New.
4588         * libgcc.h (__stack_chk_guard): Declare.
4589         (__stack_chk_fail, __stack_chk_fail_local): Declare.
4590         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
4591         * mklibgcc.in (lib2funcs): Add them.
4592
4593 2005-07-01  Richard Henderson  <rth@redhat.com>
4594
4595         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
4596         void * before struct sigcontext *.
4597         (x86_fallback_frame_state): Likewise.
4598
4599 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
4600
4601         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
4602
4603 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
4604
4605         PR tree-opt/22269
4606         * tree-ssa-reassoc.c (should_transpose): Fix which operand
4607         we check for SSA_NAME for.
4608
4609 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
4610
4611         Fix PR tree-optimization/22071
4612
4613         * tree-ssa-structalias.c (offset_overlaps_with_access): New
4614         function.
4615         (get_constraint_for_component_ref): Use it.
4616
4617 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
4618
4619         PR other/22264
4620         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
4621         print out the last new line.
4622
4623 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
4624
4625         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
4626         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
4627         * config/cris/cris.c (cris_conditional_register_usage): Adjust
4628         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
4629         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
4630         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
4631         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
4632         (enum reg_class): New member CC0_REGS.
4633         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
4634         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
4635         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
4636         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
4637         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
4638         Adjust for register now described.
4639
4640 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
4641
4642         PR target/22262
4643         * config/i386/i386.md (stack_protect_test_si,
4644         stack_protect_test_di): Add earlyclobber for scratch 3.
4645         * config/rs6000/rs6000.md (stack_protect_testsi,
4646         stack_protect_testdi): Add earlyclobber for scratch 3,
4647         remove earlyclobber from scratch 4.
4648
4649 Older entries for 2005 can be found in ChangeLog-2005.