gcc/ChangeLog

   1 2008-05-16  David S. Miller  <davem@davemloft.net>
   2
   3         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before
   4         overriding.
   5         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
   6
   7 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
   8
   9         PR target/36246
  10         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
  11
  12 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
  13
  14         * ifcvt.c (dead_or_predicable): Rename
  15         df_simulate_one_insn_backwards to df_simulate_one_insn.
  16         * recog.c (peephole2_optimize): Ditto.
  17         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
  18         Ditto.
  19         * df.h: Rename df_simulate_one_insn_backwards to
  20         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
  21         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
  22         scanning of defs and uses.
  23         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
  24         (df_simulate_one_insn_forwards): Removed.
  25
  26
  27 2008-05-16  Doug Kwan  <dougkwan@google.com>
  28
  29         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
  30         QNaN & SNaN.
  31         (real_from_string): Handle NaNs and Inf as approriate.
  32
  33 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
  34
  35         * doc/gty.texi (Source Files Containing Type Information): Note
  36         that headers should appear first in the gtfiles list.
  37
  38 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
  39
  40         * tree.def (COND_EXEC): Properly documented this code.
  41
  42 2008-05-16  Diego Novillo  <dnovillo@google.com>
  43
  44         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
  45         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
  46         the new field.
  47
  48 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
  49
  50         * tree-ssa-dse (max_stmt_uid): Removed.
  51         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
  52         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
  53         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
  54         * function.h (cfun.last_stmt_uid): New field.
  55         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
  56         gimple_stmt_max_uid, set_gimple_stmt_max_uid,
  57         inc_gimple_stmt_max_uid): New functions.
  58         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
  59         (create_stmt_ann): Initialize the ann->uid field.
  60         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
  61         with new calls.
  62         * tree-flow.h (renumber_gimple_stmt_uids): New function.
  63
  64 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
  65
  66         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
  67         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
  68         (init_empty_tree_cfg): Call it.
  69
  70 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
  71
  72         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
  73         Update all users.
  74
  75 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
  76
  77         * doc/invoke.text (-fdump-tree-*-verbose): New option.
  78         * tree-dump.c (dump_options): New verbose option.
  79         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
  80         Add verbose dump.
  81         * tree-pass.h (TDF_VERBOSE): New dump flag.
  82         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
  83         (tree-flow.h): Added include.
  84         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
  85
  86 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
  87
  88         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
  89
  90         From Jie Zhang  <jie.zhang@analog.com>
  91         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
  92         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
  93         mcpu=bf561-none and mcpu=bf561-0.2.
  94         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
  95         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
  96         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
  97         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
  98         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
  99         BFIN_CPU_UNKNOWN.
 100         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
 101         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
 102         option.
 103         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
 104         (cputype_selected): Remove.
 105         (bfin_handle_option): Don't use cputype_selected.
 106         (override_options): When no mcpu option, enable all workarounds.
 107         Don't use bfin_workarounds.
 108         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
 109         processor type.
 110         (DEFAULT_CPU_TYPE): Don't define.
 111
 112 2008-05-16  Richard Guenther  <rguenther@suse.de>
 113
 114         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
 115         on deletion of the last stmt.
 116
 117 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 118
 119         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
 120         V8HImode for SSE2 and V16QImode for SSE4.1.
 121
 122 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
 123
 124         * cgraph.h (compute_inline_parameters): Made public.
 125         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
 126         variable_generate_summary, function_write_summary,
 127         variable_write_summary, variable_read_summary.  Added
 128         generate_summary, write_summary, read_summary.
 129         * cgraphunit.c (cgraph_process_new_functions): Changed call from
 130         pass_ipa_inline.function_generate_summary, to
 131         compute_inline_parameters.
 132         * ipa-inline.c (compute_inline_parameters): Made public and added
 133         node parameter.
 134         (compute_inline_parameters_for_current): New function.
 135         (pass_inline_param): Now calls compute_inline_parameters_for_current.
 136         (inline_generate_summary): Removed parameter and made to loop over
 137         all cgraph nodes.
 138         (pass_ipa_inline): Updated for new IPA_PASS structure.
 139         * passes.c (execute_ipa_summary_passes): Now is called once per
 140         pass rather than once per node*pass.
 141
 142 2008-05-15  Anatoly Sokolov <aesok@post.ru>
 143
 144         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
 145         avr_have_mul_p, avr_asm_only_p): Remove variables.
 146         (avr_override_options): Remove initialization of removed variables.
 147         (avr_file_start):  Convert removed variables to fields of
 148         'struct base_arch_s *avr_current_arch'.
 149         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
 150         (AVR_HAVE_MUL): (Ditto.).
 151         (AVR_HAVE_MOVW): (Ditto.).
 152         (AVR_HAVE_LPMX): (Ditto.).
 153         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
 154         avr_asm_only_p): Remove declaration.
 155
 156 2008-05-15  Diego Novillo  <dnovillo@google.com>
 157
 158         * config/arm/arm.c (arm_return_in_memory): Fix return type.
 159         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
 160
 161 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
 162
 163         PR middle-end/36194
 164         * combine.c (check_conversion): Rename back to check_promoted_subreg.
 165         Don't call record_truncated_value from here.
 166         (record_truncated_value): Turn it into a for_each_rtx callback.
 167         (record_truncated_values): New function.
 168         (combine_instructions): Call note_uses with record_truncated_values.
 169         Change name of check_conversion to check_promoted_subreg.
 170
 171 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
 172
 173         * doc/sourcebuild.texi: Document support for torture tests.
 174
 175 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 176
 177         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
 178         to alternative 4 of operand 2.
 179
 180 2008-05-15  Richard Guenther  <rguenther@suse.de>
 181
 182         * tree-pass.h (current_pass): Declare.
 183         (get_pass_for_id): Likewise.
 184         * passes.c (passes_by_id, passes_by_id_size): New globals.
 185         (set_pass_for_id): New function.
 186         (get_pass_for_id): Likewise.
 187         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
 188         (execute_function_todo): Flush per function statistics.
 189         * toplev.c (compile_file): Init statistics.
 190         (general_init): Do early statistics initialization.
 191         (finalize): Finish statistics.
 192         * statistics.h (statistics_early_init): Declare.
 193         (statistics_init): Likewise.
 194         (statistics_fini): Likewise.
 195         (statistics_fini_pass): Likewise.
 196         (statistics_counter_event): Likewise.
 197         (statistics_histogram_event): Likewise.
 198         * statistics.c: New file.
 199         * Makefile.in (OBJS-common): Add statistics.o.
 200         (statistics.o): Add dependencies.
 201         * doc/invoke.texi (-fdump-statistics): Document.
 202
 203         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
 204         (insert): Likewise.
 205         (execute_pre): Use statistics_counter_event.
 206         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
 207         (substitute_and_fold): Increment it.  Use statistics_counter_event.
 208
 209 2008-05-15  Diego Novillo  <dnovillo@google.com>
 210
 211         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
 212
 213         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
 214         * tree-ssa-alias.c (new_type_alias): Remove references to
 215         sub-variables from comment.
 216         * tree-ssa-operands.c (swap_tree_operands): Likewise.
 217
 218 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 219
 220         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
 221         attribute to 1 only for insertps alternative.
 222
 223 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 224
 225         * config/bfin/bfin.md (loadbytes): New pattern.
 226         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
 227         (bfin_init_builtins): Initialize it.
 228         (bdesc_1arg): Add it.
 229
 230 2008-05-15  Sa Liu  <saliu@de.ibm.com>
 231
 232         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
 233         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
 234         * testsuite/lib/target-supports.exp: Add
 235         check_effective_target_fortran_integer_16.
 236
 237 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 238
 239         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
 240         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
 241         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
 242         (TARGET_RETURN_IN_MEMORY): Define.
 243
 244 2008-05-15  Richard Guenther  <rguenther@suse.de>
 245
 246         PR middle-end/36244
 247         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
 248         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
 249         represent unmodifiable vars.
 250
 251 2008-05-15  Richard Guenther  <rguenther@suse.de>
 252
 253         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
 254         INDIRECT_REF and TARGET_MEM_REF.
 255         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 256         TARGET_MEM_REF.
 257
 258 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 259             H.J. Lu  <hongjiu.lu@intel.com>
 260
 261         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
 262         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
 263         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
 264         insn alternatives.  Add missing alternatives.
 265         (*vec_concatv2di_rex64_sse4_1): Likewise.
 266         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
 267         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
 268         Require TARGET_SSE.
 269
 270 2008-05-15  Richard Guenther  <rguenther@suse.de>
 271
 272         PR tree-optimization/36009
 273         PR tree-optimization/36204
 274         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
 275         (determine_invariantness_stmt): Record the loop a store is
 276         always executed in.
 277         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
 278         dependency.
 279
 280 2008-05-15  Richard Guenther  <rguenther@suse.de>
 281
 282         PR tree-optimization/34330
 283         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
 284         through the pointer will alias the SMT.
 285
 286 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
 287
 288         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
 289
 290 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 291
 292         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
 293
 294 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 295             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 296
 297         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
 298         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
 299         (vashl_optab): New optab for vector/vector shifts.
 300         (vashr_optab): Ditto.
 301         (vlshr_optab): Ditto.
 302         (vrotl_optab): Ditto.
 303         (vrotr_optab): Ditto.
 304         (optab_subtype): New enum for optab_for_tree_code call.
 305         (optab_for_tree_code): Add enum optab_subtype argument.
 306
 307         * optabs.c (optab_for_tree_code): Take an additional argument to
 308         distinguish between a vector shift by a scalar and vector shift by
 309         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
 310         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
 311         vector shift by a vector.
 312         (expand_widen_pattern_expr): Pass additional argument to
 313         optab_for_tree_code.
 314
 315         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
 316         vrotl_optab, vrotr_optab.
 317
 318         * expr.c (expand_expr_real_1): Update calls to
 319         optab_for_tree_code to distinguish between vector shifted by a
 320         scalar and vector shifted by a vector.
 321         * tree-vectorizer.c (supportable_widening_operation): Ditto.
 322         (supportable_narrowing_operation): Ditto.
 323         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
 324         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
 325         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
 326         (vect_create_epilog_for_reduction): Ditto.
 327         (vectorizable_reduction): Ditto.
 328         (vectorizable_operation): Ditto.
 329         (vect_strided_store_supported): Ditto.
 330         (vect_strided_load_supported): Ditto.
 331         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
 332         * expmed.c (expand_shift): Ditto.
 333
 334         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
 335         scalar type.
 336         (ashr@var{m}3): Ditto.
 337         (vashl@var{m}3): Document new vector/vector shift standard name.
 338         (vashr@var{m}3): Ditto.
 339         (vlshr@var{m}3): Ditto.
 340         (vrotl@var{m}3): Ditto.
 341         (vrotr@var{m}3): Ditto.
 342
 343         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
 344         (PPERM_INVERT): Ditto.
 345         (PPERM_REVERSE): Ditto.
 346         (PPERM_REV_INV): Ditto.
 347         (PPERM_ZERO): Ditto.
 348         (PPERM_ONES): Ditto.
 349         (PPERM_SIGN): Ditto.
 350         (PPERM_INV_SIGN): Ditto.
 351         (PPERM_SRC1): Ditto.
 352         (PPERM_SRC2): Ditto.
 353
 354         * config/i386/sse.md (mulv2di3): Add SSE5 support.
 355         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
 356         allows a memory operand to be the value being added, and split it
 357         to improve vectorization.
 358         (sse5_pmacsdqh_mem): Ditto.
 359         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
 360         (sse5_mulv2div2di3_high): Ditto.
 361         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
 362         (vec_pack_trunc_v4si): Ditto.
 363         (vec_pack_trunc_v2di): Ditto.
 364         (sse5_pcmov_<mode>): Remove code that tried to use use
 365         andps/andnps instead of pcmov.
 366         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
 367         pmacsdqh instructions.
 368         (vec_widen_smult_lo_v4si): Ditto.
 369
 370         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
 371         (PPERM_INVERT): Ditto.
 372         (PPERM_REVERSE): Ditto.
 373         (PPERM_REV_INV): Ditto.
 374         (PPERM_ZERO): Ditto.
 375         (PPERM_ONES): Ditto.
 376         (PPERM_SIGN): Ditto.
 377         (PPERM_INV_SIGN): Ditto.
 378         (PPERM_SRC1): Ditto.
 379         (PPERM_SRC2): Ditto.
 380         (ix86_expand_sse_movcc): Move the SSE5 test after the if
 381         true/false tests.
 382         (ix86_expand_int_vcond): If SSE5 generate all possible integer
 383         comparisons.
 384         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
 385         says ignore whether the last reference is a memory operand.
 386
 387 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 388             Paolo Bonzini <bonzini at gnu dot org>
 389
 390         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
 391         shift patterns.
 392
 393         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
 394         (vlshr<mode>3): Rename from vlshr<mode>3.
 395         (vashr<mode>3): Rename from vashr<mode>3.
 396         (mulv4sf3): Change the names of vector shift patterns.
 397         (mulv4si3): Ditto.
 398         (negv4sf2): Ditt.
 399
 400         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
 401         shift insns.
 402
 403         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
 404         (SI_SHLHI): Ditto.
 405         (SI_SHL): Ditto.
 406         (SI_SHLI): Ditto.
 407         (SI_ROTH): Ditto.
 408         (SI_ROTHI): Ditto.
 409         (SI_ROT): Ditto.
 410         (SI_ROTI): Ditto.
 411         (SPU_RL_0): Ditto.
 412         (SPU_RL_1): Ditto.
 413         (SPU_RL_2): Ditto.
 414         (SPU_RL_3): Ditto.
 415         (SPU_RL_4): Ditto.
 416         (SPU_RL_5): Ditto.
 417         (SPU_RL_6): Ditto.
 418         (SPU_RL_7): Ditto.
 419         (SPU_SL_0): Ditto.
 420         (SPU_SL_1): Ditto.
 421         (SPU_SL_2): Ditto.
 422         (SPU_SL_3): Ditto.
 423         (SPU_SL_4): Ditto.
 424         (SPU_SL_5): Ditto.
 425         (SPU_SL_6): Ditto.
 426         (SPU_SL_7): Ditto.
 427
 428         * config/spu/spu.md (v): New iterator macro to add v for vector types.
 429         (floatunssidf2_internal): Change vector/vector shift names.
 430         (floatunsdidf2_internal): Ditto.
 431         (mulv8hi3): Ditto.
 432         (ashrdi3): Ditto.
 433         (ashrti3): Ditto.
 434         (cgt_df): Ditto.
 435         (cgt_v2df): Ditto.
 436         (dftsv): Ditto.
 437         (vashl<mode>3): Rename from ashl<mode>3.
 438         (vashr<mode>3): Rename from ashr<mode>3.
 439         (vlshr<mode>3): Rename from lshr<mode>3.
 440         (vrotl<mode>3): Rename from rotl<mode>3.
 441
 442 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 443
 444         PR target/36224
 445         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
 446         multiply gives the wrong value when doing widening multiplies.
 447         (vec_widen_smult_lo_v4si): Ditto.
 448
 449 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 450
 451         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
 452         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
 453         emit_library_call_value.
 454         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
 455         * tree.h (ECF_LIBCALL_BLOCK): Removed.
 456         * calls.c (initialize_argument_information, precompute_arguments,
 457         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
 458         (precompute_arguments): Removed flags parameter.
 459         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
 460
 461 2008-05-14  Richard Guenther  <rguenther@suse.de>
 462
 463         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
 464         Make sure to register the store if the use is a PHI_NODE.
 465
 466 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 467
 468         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
 469         memory if the component is to be referenced in BLKmode according
 470         to get_inner_reference.
 471
 472 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
 473
 474         * calls.c (emit_library_call_value_1): Restore code clearing
 475         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
 476
 477 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 478             Nicolas Roche  <roche@adacore.com>
 479
 480         * configure.ac: Add support for a "gcc_subdir" variable in
 481         config-lang.in, to denote a subdirectory where the language/GCC
 482         integration files are to be found.
 483         * configure: Regenerate.
 484
 485 2008-05-14  Ira Rosen  <irar@il.ibm.com>
 486
 487         PR tree-optimization/36098
 488         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
 489         value for the first load in the group in case of a gap.
 490         (vect_build_slp_tree): Check that there are no gaps in loads.
 491
 492 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 493
 494         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
 495         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
 496         expand_copysign_bit, ): Change call to emit_no_conflict_block to
 497         emit_insn and remove unneeded code to construct extra args.
 498         (emit_no_conflict_block): Removed.
 499         * optabls.h: (emit_no_conflict_block): Removed.
 500         * cse.c (cse_extended_basic_block): Remove search for
 501         REG_NO_CONFLICT note.
 502         * global.c: Removed incorrect comment added in revision 117.
 503         * expr.c (convert_move): Change call to emit_no_conflict_block to
 504         emit_insn.
 505         * recog.c: Change comments so that they do not mention
 506         REG_NO_CONFLICT.
 507         * local_alloc.c (combine_regs): Removed last parameter.
 508         (no_conflict_p): Removed.
 509         (block_alloc): Removed note, no_conflict_combined_regno and set
 510         local vars. Removed all code to process REG_NO_CONFLICT blocks.
 511         (combine_regs): Removed already_dead and code to look for
 512         REG_NO_CONFLICT notes.
 513         * lower_subreg (remove_retval_note): Removed code to look for
 514         REG_NO_CONFLICT block.
 515         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
 516         (resolve_clobber): Remove code to process libcalls that have
 517         REG_NO_CONFLICT notes.
 518         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
 519         case.
 520         * combine.c (can_combine_p, distribute_notes):  Removed
 521         REG_NO_CONFLICT case.
 522         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
 523         to emit_insns.
 524         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
 525         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
 526         Ditto.
 527         * reg-notes.def (NO_CONFLICT): Removed.
 528
 529 2008-05-14  David S. Miller  <davem@davemloft.net>
 530
 531         * config/sparc/sparc.c (sparc_profile_hook): If
 532         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
 533         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
 534         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 535
 536 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 537
 538         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
 539
 540 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
 541
 542         PR target/36222
 543         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
 544         and op1 expansion before vector concat to have less live pseudos.
 545
 546 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
 547
 548         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
 549         ix86_expand_vector_set if supported.
 550
 551 2008-05-13  Diego Novillo  <dnovillo@google.com>
 552             Kenneth Zadeck  <zadeck@naturalbridge.com>
 553
 554         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
 555
 556         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
 557         phinodes_print_statistics, init_ssanames, fini_ssanames,
 558         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
 559         release_ssa_name, release_defs, replace_ssa_name_symbol,
 560         ssanames_print_statistics): Move ...
 561         * tree-flow.h: ... here.
 562         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
 563         Use FN instead of cfun.
 564         (make_ssa_name_fn): Rename from make_ssa_name.
 565         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
 566         * tree-flow-inline.h (make_ssa_name): Move from
 567         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
 568         * omp-low.c (expand_omp_parallel):
 569         * tree-flow-inline.h (redirect_edge_var_map_result):
 570         * tree-ssa.c (init_tree_ssa): Add argument FN.
 571         Use it instead of cfun.  Update all users.
 572
 573 2008-05-13  Tom Tromey  <tromey@redhat.com>
 574
 575         PR preprocessor/22168:
 576         * doc/cpp.texi (Top): Update menu.
 577         (Alternatives to Wrapper #ifndef): New node.
 578         (Other Directives): Document deprecation.
 579         (Obsolete Features): Remove menu.
 580         (Assertions): Merge node into Obsolete Features.
 581         (Obsolete once-only headers): Move earlier; rename to Alternatives
 582         to Wrapper #ifndef.
 583         * doc/cppopts.texi: Update.
 584         * c.opt (Wdeprecated): Enable for C and ObjC.
 585         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
 586         (C++ Dialect Options): Move -Wno-deprecated from here to...
 587         (Warning Options): ... here.
 588
 589 2008-05-13  Richard Guenther  <rguenther@suse.de>
 590
 591         PR middle-end/36227
 592         * fold-const.c (fold_sign_changed_comparison): Do not allow
 593         changes in pointer-ness.
 594
 595 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
 596
 597         PR target/24713
 598         * config/sh/sh.c (sh_expand_prologue): Don't clear
 599         RTX_FRAME_RELATED_P for push insns.
 600
 601 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
 602
 603         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
 604
 605 2008-05-12  Anatoly Sokolov <aesok@post.ru>
 606
 607         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
 608         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
 609         Use 'machine->is_leaf' instead of 'leaf_func_p'.
 610
 611 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 612
 613         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
 614         (*vec_concatv4sf_sse): This.
 615         (*sse2_concatv2si): Renamed to ...
 616         (*vec_concatv2si_sse2): This.
 617         (*sse1_concatv2si): Renamed to ...
 618         (*vec_concatv2si_sse): This.
 619         (*vec_concatv2di_rex): Renamed to ...
 620         (*vec_concatv2di_rex64): This.
 621         (*vec_concatv2si_sse4_1): New.
 622         (*vec_concatv2di_rex64_sse4_1): Likewise.
 623
 624 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
 625
 626         PR rtl-optimization/36111
 627         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
 628         that was created for swappable operands.
 629
 630 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
 631
 632         PR ada/36001
 633         * Makefile.in: Substitute GNATMAKE and GNATBIND.
 634         * configure.ac: Add call to ACX_PROG_GNAT.
 635
 636 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
 637
 638         * optc-gen.awk: Fix comment typo.
 639
 640 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
 641
 642         * pretty-print.c (pp_integer_with_precision): Use
 643         HOST_LONG_LONG_FORMAT.
 644
 645 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
 646
 647         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
 648
 649 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 650
 651         * config/i386/i386.c (bdesc_ptest): Removed.
 652         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
 653         (bdesc_args): Add __builtin_ia32_ptestz128,
 654         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
 655         (ix86_init_mmx_sse_builtins): Updated.
 656         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
 657         (ix86_expand_builtin): Updated.
 658
 659 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
 660
 661         * tree-cfg.c (valid_fixed_convert_types_p): New function.
 662         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
 663
 664 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
 665
 666         * value-prof.c (interesting_stringop_to_profile): Do not
 667         return early for BUILT_IN_MEMPCPY.
 668
 669 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
 670
 671         * calls.c (expand_call): Don't use callgraph to increase
 672         preferred_stack_boundary.
 673
 674         * cgraph.h (cgraph_rtl_info): Use unsigned on
 675         preferred_incoming_stack_boundary.
 676
 677         * final.c (rest_of_clean_state): Use unsigned on
 678         preferred_stack_boundary.
 679
 680 2008-05-09  Tom Tromey  <tromey@redhat.com>
 681
 682         PR preprocessor/22231:
 683         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
 684         proceeding.
 685
 686 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
 687
 688         PR tree-optimization/36129
 689         * tree-ssa-ccp.c: Include value-prof.h.
 690         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
 691         built-in function was folded to a constant.
 692         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
 693
 694 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
 695             Sebastian Pop  <sebastian.pop@amd.com>
 696
 697         * tree-scalar-evolution.c: Document instantiate_scev.
 698         (instantiate_parameters_1): Renamed instantiate_scev_1.
 699         Don't use the same loop for instantiation_loop and evolution_loop.
 700         (instantiate_scev): New.
 701         (instantiate_parameters): Moved...
 702         (resolve_mixers): Update call to instantiate_scev_1 to pass the
 703         same loop twice.  Maintains the semantics for this function.
 704         * tree-scalar-evolution.h (instantiate_scev): Declare.
 705         (instantiate_parameters): ...here.  Now static inline.
 706         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
 707         instead of resolve_mixers.
 708
 709 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
 710
 711         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
 712
 713 2008-05-09  Tomas Bily  <tbily@suse.cz>
 714
 715         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
 716         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
 717         * tree-ssa-structalias.c (get_constraint_for): Likewise.
 718         * c-common.c (c_common_truthvalue_conversion): Likewise.
 719         * tree-object-size.c (compute_object_offset): Likewise.
 720         * tree-inline.c (estimate_num_insns_1): Likewise.
 721         * varasm.c (const_hash_1, compare_constant, copy_constant)
 722         (compute_reloc_for_constant, output_addressed_constants)
 723         (initializer_constant_valid_p): Likewise.
 724         * c-omp.c (check_omp_for_incr_expr): Likewise.
 725         * gimplify.c (gimplify_expr): Likewise.
 726         * c-typeck.c (c_finish_return): Likewise.
 727         * tree-vectorizer.c (supportable_widening_operation)
 728         (supportable_narrowing_operation): Likewise.
 729         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
 730         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
 731         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
 732         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
 733         (descr_info_loc): Likewise.
 734         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
 735         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
 736         (fold_unary): Likewise.
 737         * builtins.c (get_pointer_alignment): Likewise.
 738         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
 739         (instantiate_parameters_1): Likewise.
 740         * tree.c (expr_align, stabilize_reference): Likewise.
 741         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
 742         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
 743         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
 744         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
 745         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
 746         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
 747         Likewise.
 748         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
 749         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
 750         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
 751         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
 752         (forward_propagate_comparison)
 753         (tree_ssa_forward_propagate_single_use_vars): Likewise.
 754         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
 755         * emit-rtl.c (component_ref_for_mem_expr)
 756         (set_mem_attributes_minus_bitpos): Likewise.
 757         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
 758         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
 759         Likewise.
 760         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
 761         (build_function_call, pointer_diff, build_compound_expr)
 762         (c_finish_return): Likewise.
 763         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
 764         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
 765         Likewise.
 766         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
 767         * expr.c (is_aligning_offset): Likewise.
 768         * tree-ssa-alias.c (is_escape_site): Likewise.
 769         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
 770         (check_all_va_list_escapes): Likewise.
 771         * tree-ssa-loop-ivopts.c (determine_base_object)
 772         (determine_common_wider_type): Likewise.
 773         * dojump.c (do_jump): Likewise.
 774         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
 775         * tree-gimple.c (is_gimple_cast): Likewise.
 776         * fold-const.c (decode_field_reference, )
 777         (fold_sign_changed_comparison, fold_unary, fold_comparison)
 778         (fold_binary): Likewise.
 779         * tree-ssa-alias-warnings.c (find_alias_site_helper)
 780         (already_warned_in_frontend_p): Likewise.
 781         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
 782         * tree.c (really_constant_p, get_unwidened): Likewise.
 783         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
 784         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
 785         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
 786         Likewise.
 787         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
 788         CONVERT_EXPR_P.
 789         (CONVERT_EXPR_P): Define.
 790         (CASE_CONVERT): Define.
 791
 792 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
 793
 794         PR middle-end/36117
 795         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
 796         (delete_unmarked_insns): When deleting a call, call
 797         delete_unreachable_blocks.
 798         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
 799         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
 800
 801 2008-05-08  Richard Guenther  <rguenther@suse.de>
 802
 803         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
 804         (-ftree-salias): Likewise.
 805         (salias-max-implicit-fields): Remove param documentation.
 806         (salias-max-array-elements): Likewise.
 807         * tree-pass.h (pass_create_structure_vars): Remove.
 808         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
 809         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
 810         * tree-ssa-alias.c (create_structure_vars): Remove.
 811         (gate_structure_vars): Likewise.
 812         (pass_create_structure_vars): Likewise.
 813         (gate_build_alias): Likewise.
 814         (pass_build_alias): Adjust to run always and dump the function.
 815         * common.opt (ftree-salias): Hide.
 816         * passes.c (init_optimization_passes): Remove
 817         pass_create_structure_vars, adjust comment.
 818         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
 819         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
 820         * opts.c (decode_options): Do not set flag_tree_salias.
 821         (common_handle_option): Add OPT_ftree_salias to the backward
 822         compatibility section.
 823
 824 2008-05-08  Richard Guenther  <rguenther@suse.de>
 825
 826         * tree-flow-inline.h (var_can_have_subvars): Move ...
 827         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
 828         * tree-flow.h (var_can_have_subvars): Remove.
 829         (push_fields_onto_fieldstack): Remove.
 830         (sort_fieldstack): Likewise.
 831         (struct fieldoff): Move ...
 832         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
 833         alias_set and base_for_components fields.
 834         (sort_fieldstack): Make static.
 835         (push_fields_onto_fieldstack): Likewise.  Remove code that
 836         handles anything but RECORD_TYPEs.  Remove alias_set and
 837         base_for_components handling.
 838         (create_variable_info_for): Adjust.
 839
 840 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
 841
 842         * common.opt (Wframe-larger-than=): Shorten the help message
 843         to one line.
 844         * doc/invoke.texi (Wframe-larger-than=): Add more description.
 845
 846 2008-05-08  Rafael Espindola  <espindola@google.com>
 847
 848         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
 849         trap.
 850         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
 851         trap and that both operands are gimple values.
 852         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
 853         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
 854         is a fp operation.
 855
 856 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
 857
 858         * read-rtl.c (join_c_conditions): Return the first string if the
 859         two strings are equal.
 860
 861 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
 862
 863         * gensupport.h (pred_data): Add a "num_codes" field.
 864         (add_predicate_code): Declare.
 865         * gensupport.c (add_predicate_code): New function.
 866         (std_pred_table): Add an "allows_const_p" field.
 867         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
 868         Remove the (incomplete) list of such codes from the codes field.
 869         (init_predicate_table): Use add_predicate_code.  Add all
 870         RTX_CONST_OBJs if allows_const_p is true.
 871         * genrecog.c (process_define_predicate): Use add_predicate_code.
 872
 873 2008-05-08  David Daney  <ddaney@avtrex.com>
 874             Richard Sandiford  <rsandifo@nildram.co.uk>
 875
 876         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
 877         special case of constant zero operands.
 878         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
 879         old and new values.  Special case constant zero values.
 880         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
 881         fails.
 882         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
 883         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
 884
 885 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
 886
 887         PR target/36090
 888         * simplify-rtx.c (simplify_plus_minus): Create CONST of
 889         similar RTX_CONST_OBJ before CONST_INT.
 890
 891 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
 892
 893         * stmt.c (expand_stack_restore): Change sa mode if needed.
 894
 895 2008-05-08  Richard Guenther  <rguenther@suse.de>
 896
 897         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
 898         return type to bool.
 899         (ix86_sol10_return_in_memory): Likewise.
 900         (ix86_i386elf_return_in_memory): Likewise.
 901         (ix86_i386interix_return_in_memory): Likewise.
 902         * config/i386/i386.c (ix86_return_in_memory): Likewise.
 903         (ix86_sol10_return_in_memory): Likewise.
 904         (ix86_i386elf_return_in_memory): Likewise.
 905         (ix86_i386interix_return_in_memory): Likewise.
 906
 907 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
 908
 909         PR bootstrap/36180
 910         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
 911         fndecl argument.
 912         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
 913         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
 914         declared in front.
 915
 916 2008-05-08  Richard Guenther  <rguenther@suse.de>
 917
 918         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
 919         * tree-data-ref.h (struct dr_alias): Remove subvars field.
 920         (DR_SUBVARS): Remove.
 921         * tree-dfa.c (dump_subvars_for): Remove.
 922         (debug_subvars_for): Likewise.
 923         (dump_variable): Do not dump subvars.
 924         (remove_referenced_var): Do not remove subvars.
 925         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
 926         (lookup_subvars_for_var): Remove.
 927         (get_subvars_for_var): Likewise.
 928         (get_subvars_at): Likewise.
 929         (get_first_overlapping_subvar): Likewise.
 930         (overlap_subvar): Likewise.
 931         * tree-flow.h (subvar_t): Remove.
 932         (struct var_ann_d): Remove subvars field.
 933         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
 934         argument.  Remove special handling of SFTs.
 935         (compute_tag_properties): Likewise.
 936         (set_initial_properties): Likewise.
 937         (compute_call_clobbered): Likewise.
 938         (count_mem_refs): Likewise.
 939         (compute_memory_partitions): Likewise.
 940         (compute_flow_insensitive_aliasing): Likewise.
 941         (setup_pointers_and_addressables): Likewise.
 942         (new_type_alias): Likewise.
 943         (struct used_part): Remove.
 944         (used_portions): Likewise.
 945         (struct used_part_map): Likewise.
 946         (used_part_map_eq): Likewise.
 947         (used_part_map_hash): Likewise.
 948         (free_used_part_map): Likewise.
 949         (up_lookup): Likewise.
 950         (up_insert): Likewise.
 951         (get_or_create_used_part_for): Likewise.
 952         (create_sft): Likewise.
 953         (create_overlap_variables_for): Likewise.
 954         (find_used_portions): Likewise.
 955         (create_structure_vars): Likewise.
 956         * tree.def (STRUCT_FIELD_TAG): Remove.
 957         * tree.h (MTAG_P): Adjust.
 958         (struct tree_memory_tag): Remove base_for_components and
 959         unpartitionable flags.
 960         (struct tree_struct_field_tag): Remove.
 961         (SFT_PARENT_VAR): Likewise.
 962         (SFT_OFFSET): Likewise.
 963         (SFT_SIZE): Likewise.
 964         (SFT_NONADDRESSABLE_P): Likewise.
 965         (SFT_ALIAS_SET): Likewise.
 966         (SFT_UNPARTITIONABLE_P): Likewise.
 967         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
 968         (union tree_node): Remove sft field.
 969         * alias.c (get_alias_set): Remove special handling of SFTs.
 970         * print-tree.c (print_node): Remove handling of SFTs.
 971         * tree-dump.c (dequeue_and_dump): Likewise.
 972         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
 973         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
 974         * tree-predcom.c (set_alias_info): Do not set subvars.
 975         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
 976         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
 977         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
 978         (add_vars_for_offset): Remove.
 979         (add_virtual_operand): Remove special handling of SFTs.
 980         (add_call_clobber_ops): Likewise.
 981         (add_call_read_ops): Likewise.
 982         (get_asm_expr_operands): Likewise.
 983         (get_modify_stmt_operands): Likewise.
 984         (get_expr_operands): Likewise.
 985         (add_to_addressable_set): Likewise.
 986         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
 987         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
 988         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
 989         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
 990         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
 991         (tree_node_structure): Likewise.
 992         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
 993         handling of SFTs.
 994         (find_what_p_points_to): Likewise.
 995
 996 2008-05-08  Sa Liu  <saliu@de.ibm.com>
 997
 998         * config/spu/spu.md: Fixed subti3 pattern.
 999
1000 2008-05-08  Richard Guenther  <rguenther@suse.de>
1001
1002         PR middle-end/36154
1003         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1004         sure to create a representative for trailing arrays for PTA.
1005
1006 2008-05-08  Richard Guenther  <rguenther@suse.de>
1007
1008         PR middle-end/36172
1009         * fold-const.c (operand_equal_p): Two objects which types
1010         differ in pointerness are not equal.
1011
1012 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1013
1014         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1015         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1016         (emit_library_call_value_1): Add new variable fndecl initialized by
1017         NULL_TREE. It should be the decl type of orgfun, but this information
1018         seems not to be available here, so it uses the default calling abi.
1019         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1020         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1021         by TARGET_RETURN_IN_MEMORY.
1022         * config/i386/i386-interix.h: Likewise.
1023         * config/i386/i386.h: Likewise.
1024         * config/i386/i386elf.h: Likewise.
1025         * config/i386/ptx4-i.h: Likewise.
1026         * config/i386/sol2-10.h: Likewise.
1027         * config/i386/sysv4.h: Likewise.
1028         * config/i386/vx-common.h: Likewise.
1029         * config/cris/cris.h: Removed #if 0 clause.
1030         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1031         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1032         argument.
1033         (ix86_sol10_return_in_memory): Likewise.
1034         (ix86_i386elf_return_in_memory): New.
1035         (ix86_i386interix_return_in_memory): New.
1036         * config/mt/mt-protos.h (mt_return_in_memory): New.
1037         * config/mt/mt.c: Likewise.
1038         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1039         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1040         * config/bfin/bfin.h: Likewise.
1041         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1042         argument.
1043         * config/bfin/bfin.c: Likewise.
1044         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1045         * config/alpha/unicosmk.h: Likewise.
1046         * config/i386/cygming.h: Likewise.
1047         * config/iq2000/iq2000.h: Likewise.
1048         * config/mips/mips.h: Likewise.
1049         * config/mn10300/mn10300.h: Likewise.
1050         * config/rs6000/rs6000.h: Likewise.
1051         * config/score/score.h: Likewise.
1052         * config/spu/spu.h: Likewise.
1053         * config/v850/v850.h: Likewise.
1054         * defaults.h: Likewise.
1055         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1056         * expr.c (emit_block_move): Adjust use of
1057         OUTGOING_REG_PARM_STACK_SPACE.
1058         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1059         OUTGOING_REG_PARM_STACK_SPACE.
1060         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1061
1062 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1063
1064         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1065         on OMP_RETURN for OMP_FOR.
1066
1067         PR debug/35896
1068         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1069         (fortran_common): New function.
1070         (gen_variable_die): Call fortran_common instead of common_check,
1071         adjust for it returning tree instead of rtx.  Formatting.
1072
1073 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1074
1075         PR rtl/7335
1076         PR rtl/33826
1077         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1078         * c-decl.c (merge_decls): Ditto.
1079         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1080         to RTL_CONST_OR_PURE_CALL_P.
1081         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1082         Initialized DECL_LOOPING_CONST_PURE.
1083         (process_call_operands): Set tree_side_effects properly.
1084         * tree.h (TREE_READONLY_DECL_P): Removed.
1085         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1086         (DECL_LOOPING_OR_CONST_P): New macro.
1087         (struct tree_function_decl): Added looping_const_or_pure_p.
1088         (ECF_*) Renumbered.
1089         (ECF_LOOPING_OR_CONST_P): New macro.
1090         * rtlanal.c (pure_const_p): Removed.
1091         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1092         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1093         to RTL_CONST_CALL_P.
1094         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1095         (check_decl, check_tree, check_call, scan_function): Initialize
1096         looping.
1097         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1098         (static_execute): Set looping true for recursive functions.
1099         Undo setting state to IPA_NEITHER for recursive functions.
1100         * cse.c (cse_insn):
1101         * ifcvt.c (noce_can_store_speculate_p): Changed
1102         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
1103         RTL_CONST_OR_PURE_CALL_P.
1104         * dse.c (scan_insn): Ditto.
1105         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1106         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1107         RTL_CONST_OR_PURE_CALL_P.
1108         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1109         pure_call_p to RTL_CONST_CALL_P.
1110         * gimplify.c (gimplify_call_expr): Clear side effects for
1111         non-looping pure and constant calls.
1112         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1113         (flags_from_decl_or_type): Set ecf flags from decl flags.
1114         (initialize_argument_information): Turn off
1115         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1116         Change const to pure if callee_copies is true rather than just
1117         turning off const.
1118         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1119         way of marking pure calls.
1120         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1121         Remove hack that was supposed to fix pr7335 and remove old
1122         way of marking pure calls.
1123         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1124         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1125         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1126         RTL_CONST_OR_PURE_CALL_P.
1127         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1128         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1129         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1130         * sched-deps.c (schedule_analyze): Ditto.
1131         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1132         return_val field of calls to represent pure and const function info.
1133         (CONST_OR_PURE_CALL_P): Deleted macro.
1134         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1135         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1136         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1137         TREE_READONLY.
1138         * tree-optimize.c (execute_fixup_cfg): Added test for
1139         ECF_LOOPING_CONST_OR_PURE.
1140         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1141         DECL_PURE_P.
1142         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1143         effects for looping pure or const calls.
1144         (verify_gimple_expr): Added verification code.
1145         * config/alpha/alpha.c (alpha_legitimize_address,
1146         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1147         RTL_CONST_CALL_P.
1148         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1149         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1150         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1151         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1152         RTL_CONST_OR_PURE_CALL_P.
1153         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1154         and const calls to be deleted.
1155
1156 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1157
1158         PR target/35714
1159         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1160         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1161         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1162         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1163         to handle nonimmediate operands.
1164         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1165         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1166         to handle nonimmediate operands.
1167         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1168         (mmx_pmulhrwv4hi3): New expander.  Use
1169         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1170         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1171         (sse2_umulv1siv1di3): New expander.  Use
1172         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1173         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1174         (mmx_eq<mode>3): New expander.  Use
1175         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1176         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1177         (mmx_uavgv8qi3): New expander.  Use
1178         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1179         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1180         (mmx_uavgv4hi3): New expander.  Use
1181         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1182
1183         * config/i386/sse.md
1184         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1185         to handle nonimmediate operands.
1186         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1187         to handle nonimmediate operands.
1188         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1189         to handle nonimmediate operands.
1190         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1191         to handle nonimmediate operands.
1192         (sse2_unpckhpd_exp): New expander.  Use
1193         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1194         (sse2_unpcklpd_exp): New expander.  Use
1195         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1196         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1197         to handle nonimmediate operands.
1198         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1199         to handle nonimmediate operands.
1200         (*sse2_<plusminus_insn><mode>3): Rename from
1201         sse2_<plusminus_insn><mode>3 insn pattern.
1202         (sse2_<plusminus_insn><mode>3): New expander.  Use
1203         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1204         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1205         (sse2_umulv2siv2di3): New expander.  Use
1206         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1207         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1208         (sse4_1_mulv2siv2di3): New expander.  Use
1209         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1210         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1211         (sse2_pmaddwd): New expander.  Use
1212         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1213         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1214         (sse2_eq<mode>3): New expander.  Use
1215         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1216         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1217         (sse4_1_eqv2di3): New expander.  Use
1218         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1219         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1220         (sse2_uavgv16qi3): New expander.  Use
1221         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1222         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1223         (sse2_uavgv16qi3): New expander.  Use
1224         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1225         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1226         (sse2_uavgv8hi3): New expander.  Use
1227         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1228         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1229         (ssse3_pmulhrswv8hi3): New expander.  Use
1230         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1231         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1232         (ssse3_pmulhrswv4hi3): New expander.  Use
1233         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1234
1235         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1236         (<sse>_vmmul<mode>3): Ditto.
1237         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1238         (divv2df3): Ditto.
1239         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1240         (ssse3_pmaddubsw): Ditto.
1241
1242         * config/i386/i386.c (struct_builtin_description)
1243         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1244         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1245         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1246         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1247         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1248         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1249         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1250         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1251         (ix86_fixup_binary_operands): Assert that src1
1252         and src2 must have the same mode when swapped.
1253         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1254         and ix86_binary_operator_ok.  Do not force operands in registers
1255         when optimizing.
1256
1257 2008-05-07  Jan Hubicka  <jh@suse.cz>
1258
1259         * cgraph.c (dump_cgraph_node): Update.
1260         * cgraph.h (cgraph_local_info): Break out inline summary.
1261         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1262         hook.
1263         * ipa-inline (inline_summary): New accestor function.
1264         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1265         cgraph_decide_inlining, compute_inline_parameters): Update.
1266         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1267
1268 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1269
1270         Cleanup ColdFire scheduling support and add V4 pipeline model.
1271
1272         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1273         (define_attr cpu): Add cfv4 value.
1274         (define_attr type, define_attr type1): Merge into a single 'type'
1275         attribute.  Update all uses.
1276         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1277         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1278         Update all uses.
1279         (define_attr opx_mem, define_attr opy_mem): Remove.
1280         (define_attr op_mem): Clean up, update comment.
1281         (define_attr size): Use specific values instead of general int.
1282         (define_attr guess, define_attr split): Remove.  Update all uses.
1283         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1284         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1285         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1286         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1287         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1288         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1289         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1290         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1291         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1292         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1293         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1294         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1295         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1296         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1297         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1298         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1299         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1300         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1301         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1302         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1303         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1304         Update or set attributes.
1305         (stack_tie): New fake instruction.
1306
1307         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1308         (m68k_sched_attr_size): Update declaration.
1309         (m68k_sched_attr_type2): Remove.
1310         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1311         Declare new bypass predicates.
1312
1313         * config/m68k/m68k.c (m68k_sched_issue_rate,
1314         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1315         implementations.
1316         (TARGET_SCHED_ISSUE_RATE,
1317         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1318         (override_options): Handle scheduling for ColdFire V4 core.
1319         (m68k_expand_prologue): Emit stack_tie.
1320         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1321         'OP_TYPE_FPN'.  Update all uses.
1322         (sched_guess_p): Remove.
1323         (sched_address_type): Handle symbolic addresses.
1324         (sched_get_operand): New static function.
1325         (sched_operand_type): Merge into sched_attr_op_type.
1326         (sched_attr_op_type): Handle FP registers, handle quick constants,
1327         update.
1328         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1329         (m68k_sched_attr_size): Update.  Move logic to ...
1330         (sched_get_attr_size_int): New static function.
1331         (sched_get_opxy_mem_type): New static function.
1332         (m68k_sched_attr_op_mem): Update.
1333         (m68k_sched_attr_type2): Remove.
1334         (sched_cfv4_bypass_data): New static variable.
1335         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1336         (m68k_sched_issue_rate): Implement scheduler hook.
1337         (struct _sched_ib: enabled_p): New field.
1338         (m68k_sched_variable_issue): Update.  Handle V4.
1339         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1340         sched_dump_class_func_t, sched_dump_split_class,
1341         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1342         sched_dump_dfa_class, m68k_sched_dump): Remove.
1343         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1344         hook.
1345         (m68k_sched_init_global): Remove statisctics dumping, introduce
1346         sanity check that all instructions have pipeline reservations.  Handle
1347         ColdFire V4 core.
1348         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1349         Handle ColdFire V4 core.
1350         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1351         New static functions.
1352         (m68k_sched_address_bypass_p): New bypass predicate.
1353         (sched_get_indexed_address_scale): New static function.
1354         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1355
1356         * cf.md: Update comments.
1357         (define_attr type2): Remove.  Use 'type' attribute instead.
1358         Update all uses.
1359         (cf_ib): Rename to cfv123_ib.  Update all uses.
1360         (cf_oep): Rename to cfv123_oep.  Update all uses.
1361         (cf_chr): Rename to cfv123_chr.  Update all uses.
1362         (cf_mem): Rename to cfv123_mem.  Update all uses.
1363         (cf_mac): Move to more appropriate place.
1364         (cfv123_guess): New automaton and cpu_unit.
1365         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1366         Update uses of 'size' attribute.  Handle before reload scheduling.
1367         (cfv123_guess): New dummy reservation for unhandled instructions.
1368         (cfv4_*): Pipeline description of ColdFire V4 core.
1369         (ignore): New reservation to handle 'ignore' type.
1370
1371 2008-05-07  Ian Lance Taylor  <iant@google.com>
1372
1373         PR middle-end/36013
1374         * gimplify.c (find_single_pointer_decl_1): Don't look through
1375         indirections.
1376         (find_single_pointer_decl): Adjust comments.
1377
1378 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1379
1380         PR middle-end/36137
1381         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1382         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1383
1384         PR middle-end/36106
1385         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1386         integral type rather than floating point, then VIEW_CONVERT_EXPR
1387         to the floating point type.
1388
1389 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1390
1391         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1392         TFmode op0 to register.
1393
1394 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1395
1396         * c-decl.c (grokdeclarator): Comment typo.
1397
1398 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1399
1400         * tree-flow.h: Remove prototype for computed_goto_p.
1401         * tree-cfg.c (computed_goto_p): Make static.
1402
1403 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1404
1405         PR target/35657
1406         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1407         (contains_aligned_value_p): This.  Handle _Decimal128.
1408         (ix86_function_arg_boundary): Only align _Decimal128 to its
1409         natural boundary and handle it properly.
1410
1411 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1412
1413         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1414         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1415         (ipcp_method_set_orig_node): Removed.
1416         (ipcp_cval_get_cvalue_type): Removed.
1417         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1418         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1419         (ipcp_cval_set_cvalue_type): Removed.
1420         (ipcp_cval_get_cvalue): Removed.
1421         (ipcp_cval_set_cvalue): Removed.
1422         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1423         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1424         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1425         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1426         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1427         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1428         (ipcp_get_ith_lattice): Changed parameters.
1429         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1430         (ipcp_lattice_from_jfunc): Changed parameters.
1431         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1432         (ipcp_method_cval_print): Added temporary variable info.
1433         (ipcp_redirect): Removed already unused local variable caller.
1434         (ipcp_redirect): New temporary variable orig_callee_info
1435         (ipcp_redirect): Removed newly unused local variable callee.
1436         (ipcp_redirect): Removed (a bit confusing) local variable type.
1437         (ipcp_insert_stage): Added local variable info.
1438         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
1439         renamed too
1440         (ipcp_formal_create): Removed.
1441         (ipcp_method_cval_set): Removed.
1442         (ipcp_propagate_stage): Renamed lattice variables.
1443         (ipcp_method_cval_set_cvalue_type): Removed.
1444         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1445         (ipcp_print_all_lattices): Changed printed strings to refer to
1446         lattices rather than cvals.
1447         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1448         (ipcp_propagate_const): Changed formal parameters.
1449         (build_const_val): Changed formal parameters.
1450         (ipcp_insert_stage): Removed useless variable cvalue
1451         (build_const_val): Changed formal parameters.
1452         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1453         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1454         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1455         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1456         (ipcp_print_func_profile_counts): Changed string from "method" to
1457         "function"
1458         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1459         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1460         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1461         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1462         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1463         (ipcp_lat_is_const): Changed parameters and made inline.
1464         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1465         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1466         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
1467         the predicate condition directly
1468         (ipcp_propagate_stage): Added local variable args. Removed local
1469         variable callee.  (Both are mere code simplifications.)
1470         (ipcp_method_dont_insert_const): Renamed to
1471         ipcp_node_not_modifiable_p.
1472         (ipcp_node_not_modifiable_p): Made inline.
1473         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1474         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1475         (ipcp_print_all_lattices): Removed variable cvalue
1476         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1477         Updated comments.
1478
1479 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1480
1481         * tree-sra.c (try_instantiate_multiple_fields): Early return
1482         if field has POINTER_TYPE.
1483
1484 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1485
1486         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1487         by using 'q' specifier for instruction.
1488         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1489
1490 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1491
1492         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1493         Change mode of zero_extract from QImode to HImode.
1494         (sign bit tests peepholes): (Ditto.).
1495
1496 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1497
1498         * config/i386/mmx.md: Remove double backslashes from asm templates.
1499         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1500         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1501         to handle nonimmediate operands.
1502         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1503         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1504         to handle nonimmediate operands.
1505         (*mmx_<code>v2sf3_finite): New insn pattern.
1506         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1507         (mmx_<code>v2sf3): New expander.  Use
1508         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1509         (mmx_<plusminus_insn><mode>3): New expander.  Use
1510         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1511         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1512         (mmx_add<mode>3): Removed.
1513         (mmx_ssadd<mode>3): Ditto.
1514         (mmx_usadd<mode>3): Ditto.
1515         (mmx_sub<mode>3): Ditto.
1516         (mmx_sssub<mode>3): Ditto.
1517         (mmx_ussub<mode>3): Ditto.
1518         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1519         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1520         to handle nonimmediate operands.
1521         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1522         insn pattern.
1523         (mmx_smulv4hi3_highpart): New expander.  Use
1524         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1525         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1526         insn pattern.
1527         (mmx_umulv4hi3_highpart): New expander.  Use
1528         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1529         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1530         (mmx_<code>v4hi3): New expander.  Use
1531         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1532         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1533         (mmx_<code>v8qi3): New expander.  Use
1534         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1535         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1536         (mmx_<code><mode>3): New expander.  Use
1537         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1538
1539 2008-05-05  Jan Hubicka  <jh@suse.cz>
1540
1541         PR tree-optimization/36118
1542         * passes.c (pass_init_dump_file): Fix dump header.
1543
1544 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1545
1546         PR middle-end/36141
1547         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1548         VCE for function decls.
1549
1550 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1551
1552         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1553
1554 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1555
1556         * config/i386/i386.md (sat_plusminus): New.
1557         (plusminus_insn): Likewise.
1558         (plusminus_mnemonic): Likewise.
1559         (addsub): Removed.
1560         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1561         (*<addsub><mode>3_cc_overflow): Renamed to ...
1562         (*<plusminus_insn><mode>3_cc_overflow): This.
1563         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1564         (*<plusminus_insn>si3_zext_cc_overflow): This.
1565
1566         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1567         (<plusminus_insn><mode>3): This.
1568         (*<addsub><mode>3): Renamed to ...
1569         (*<plusminus_insn><mode>3): This.
1570         (<sse>_vm<addsub><mode>3): Renamed to ...
1571         (<sse>_vm<plusminus_insn><mode>3): This.
1572         (sse3_h<addsub>v4sf3): Renamed to ...
1573         (sse3_h<plusminus_insn>v4sf3): This.
1574         (sse3_h<addsub>v2df3): Renamed to ...
1575         (sse3_h<plusminus_insn>v2df3): This.
1576         (<plusminus_insn><mode>3): New.
1577         (*<plusminus_insn><mode>3): Likewise.
1578         (sse2_<plusminus_insn><mode>3): Likewise.
1579         (add<mode>): Removed.
1580         (*add<mode>3): Likewise.
1581         (sse2_ssadd<mode>3): Likewise.
1582         (sse2_usadd<mode>3): Likewise.
1583         (sub<mode>3): Likewise.
1584         (*sub<mode>3): Likewise.
1585         (sse2_sssub<mode>3): Likewise.
1586         (sse2_ussub<mode>3): Likewise.
1587
1588 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1589
1590         * gthr-single.h: Add in required interface elements as per gthr.h.
1591         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1592         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1593         Generalize UNUSED macro.
1594         (__gthread_once): Add.
1595         (__gthread_key_create): Add.
1596         (__gthread_key_delete): Add.
1597         (__gthread_getspecific): Add.
1598         (__gthread_setspecific): Add.
1599
1600 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1601
1602         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1603         the same size types for the indirect reference on the rhs, then
1604         create a VCE.
1605
1606 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1607
1608         * config/i386/i386.md
1609         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1610         one insn template instead of template series.
1611         (*xordi_1_rex64): Ditto.
1612         (*xordi_2_rex64): Ditto.
1613
1614 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1615
1616         PR tree-optimization/36119
1617         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1618         in case of SLP.
1619
1620 2008-06-04  Jan Hubicka  <jh@suse.cz>
1621
1622         tree-optimization/36100
1623         * tree-pass.h (pass_O0_always_inline): Declare.
1624         * ipa-inline.c (inline_transform): Remove dead code.
1625         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1626         pass_O0_always_inline): New.
1627         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1628
1629 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1630
1631         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1632         mnemonic in this_param move for TARGET_64BIT.
1633
1634 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1635
1636         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1637         (*strmovsi_rex_1): Ditto.
1638         (*strsetsi_1): Ditto.
1639         (*strsetsi_rex_1): Ditto.
1640
1641         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1642         adddicc expanders using SWI mode iterator.
1643
1644 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1645
1646         PR target/36121
1647         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1648         argument handling.
1649
1650 2008-05-04  David S. Miller  <davem@davemloft.net>
1651
1652         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1653         (sparc*-*-linux*): Use linux.h in tm_file.
1654         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1655         compiler defaulting to 32-bit.
1656         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1657         no longer needed.
1658         * config/sparc/linux.h: Remove definitions now obtained
1659         properly from linux.h
1660         * config/sparc/linux64.h: Likewise.
1661         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1662         don't want this setting for 32-bit builds in a biarch compiler.
1663         * doc/install.texi: Add sparc-linux to list of targets
1664         supporting --enable-targets=all.
1665
1666 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1667
1668         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1669
1670 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1671
1672         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1673         after V4SI_FTYPE_V8HI.
1674         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1675         case V4SI_FTYPE_V2DF.
1676
1677 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1678
1679         * doc/invoke.texi (max-flow-memory-locations): Removed.
1680         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1681
1682 2008-05-03  Richard Guenther  <rguenther@suse.de>
1683
1684         PR middle-end/34973
1685         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1686
1687 2008-05-02  David S. Miller  <davem@davemloft.net>
1688
1689         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1690
1691 2008-05-02  Simon Baldwin <simonb@google.com>
1692
1693         PR bootstrap/36108
1694         * c-common.h (warn_array_subscript_range): Removed.
1695         * c-common.c (warn_array_subscript_range): Ditto.
1696         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1697         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1698
1699 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1700
1701         * config/i386/i386.c (ix86_special_builtin_type): New.
1702         (bdesc_special_args): Likewise.
1703         (ix86_expand_special_args_builtin): Likewise.
1704         (ix86_init_mmx_sse_builtins): Updated.
1705         (ix86_expand_builtin): Updated.
1706         (ix86_expand_store_builtin): Removed.
1707         (ix86_expand_unop_builtin): Likewise.
1708
1709         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1710         * config/i386/mmintrin.h (__v2sf): Here.
1711
1712         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1713         const __v2sf.
1714         (_mm_loadl_pi): Likewise.
1715         (_mm_storeh_pi): Replace __v2si with __v2sf.
1716         (_mm_storel_pi): Likewise.
1717
1718         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1719         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1720         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1721         __builtin_ia32_loadlpd.
1722
1723 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1726         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1727         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1728         (ix86_init_mmx_sse_builtins): Updated.
1729         (ix86_expand_args_builtin): Likewise.
1730         (ix86_expand_builtin): Likewise.
1731         (ix86_expand_unop1_builtin): Renamed to ...
1732         (ix86_expand_unop_vec_merge_builtin): This.
1733
1734 2008-05-01  Jan Hubicka  <jh@suse.cz>
1735
1736         PR bootstrap/36100
1737         * ipa-inline.c (inline_generate_summary): Make static.
1738         (inline_transform): Do not call inlining at -O0; make static.
1739         * passes.c (execute_todo): Add sanity check.
1740         (execute_one_ipa_transform_pass): Execute proper flags.
1741
1742 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1743
1744         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1745         (DECL_NONADDRESSABLE_P): Likewise.
1746         * alias.c (record_component_aliases): Fix comment.
1747
1748 2008-05-01  Simon Baldwin <simonb@google.com>
1749
1750         * c-common.h (warn_array_subscript_range): New function.
1751         * c-common.c (warn_array_subscript_range): Ditto.
1752         * tree-vrp.c (check_array_ref): Corrected code to agree with
1753         comment, ignoring only arrays of size 0 or size 1.
1754         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1755
1756 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1757
1758         * config/i386/i386.c (ix86_builtin_type): Replace
1759         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1760         (bdesc_args): Updated.
1761         (ix86_init_mmx_sse_builtins): Likewise.
1762         (ix86_expand_args_builtin): Likewise.
1763
1764         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1765         with __v1di.
1766
1767         * doc/extend.texi: Correct __builtin_ia32_palignr.
1768
1769 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1770
1771         PR target/36095
1772         * config/i386/i386.c (bdesc_crc32): Removed.
1773         (ix86_expand_crc32): Likewise.
1774         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1775         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1776         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1777         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1778         UINT_FTYPE_UINT_UCHAR.
1779         (bdesc_args): Updated. Add crc32 builtins.
1780         (ix86_init_mmx_sse_builtins): Updated.
1781         (ix86_expand_args_builtin): Updated to support subreg.
1782
1783         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1784
1785 2008-05-01  Jan Hubicka  <jh@suse.cz>
1786
1787         * tree-pass.h (opt_pass): Add IPA_PASS.
1788         (varpool_node, cgraph_node): Forward declare.
1789         (ipa_opt_pass): Define.
1790         (pass_ipa_inline): Turn into ipa_opt_pass.
1791         (pass_apply_inline): Remove.
1792         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1793         (apply_inline): Turn into ....
1794         (inline_transform): ... this one.
1795         (inline_generate_summary): New function.
1796         (pass_apply_inline): Remove.
1797         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1798         vector.
1799         (struct function): Add ipa_transforms_to_apply.
1800         * passes.c (register_one_dump_file): Work on IPA_PASS.
1801         (init_optimization_passes): Remove pass_inline_parameters and
1802         pass_apply_inline.
1803         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1804         (execute_one_pass) ... here; apply transforms when possible.
1805         (add_ipa_transform_pass, execute_ipa_summary_asses,
1806         execute_one_ipa_transform_pass): New.
1807         (execute_ipa_pass_list): Update for IPA_PASS type.
1808
1809 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1810
1811         * config/i386/i386.c (ix86_builtin_type): Add
1812         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1813         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1814         (bdesc_args): Add SSE4a builtins.
1815         (ix86_init_mmx_sse_builtins): Updated.
1816         (ix86_expand_args_builtin): Likewise.
1817         (ix86_expand_builtin): Likewise.
1818
1819 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1820
1821         * config/i386/i386.c (ix86_builtin_type): Add
1822         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1823         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1824         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1825         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1826         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1827         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1828         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1829         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1830         and DI_FTYPE_DI_DI_INT.
1831         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1832         (ix86_init_mmx_sse_builtins): Updated.
1833         (ix86_expand_args_builtin): Likewise.
1834         (ix86_expand_builtin): Likewise.
1835         (ix86_expand_binop_imm_builtin): Removed.
1836
1837         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1838
1839 2008-04-30  Richard Guenther  <rguenther@suse.de>
1840
1841         PR tree-optimization/32921
1842         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1843
1844 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1845
1846         * config/arm/arm.c (arm_unwind_emit): Use
1847         crtl->all_throwers_are_sibcalls instead of
1848         cfun->all_throwers_are_sibcalls.
1849         (arm_output_fn_unwind): Likewise.
1850         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1851         instead of cfun->uses_pic_offset_table.
1852         (frv_expand_prologue): Likewise.
1853         (frv_frame_pointer_required): Likewise.
1854         (frv_expand_fdpic_call): Likewise.
1855         (frv_emit_movsi): Likewise.
1856         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1857         cfun->returns_pcc_struct instead of
1858         current_function_returns_pcc_struct.
1859         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1860         instead of cfun->calls_eh_return.
1861         (m32c_pushm_popm): Likewise.
1862         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1863         "extern" declaration.
1864
1865 2008-04-30  Richard Guenther  <rguenther@suse.de>
1866
1867         PR tree-optimization/21636
1868         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1869         constant address.
1870         (evaluate_stmt): Print the likely value.
1871         (ccp_visit_stmt): Avoid excessive vertical spacing.
1872
1873 2008-04-30  Rafael Espindola  <espindola@google.com>
1874
1875         * builtins.c (fold_call_expr): Return realret.
1876         * tree-ssa-threadedge.c
1877         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1878         __builtin_object_size.
1879
1880 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1881
1882         * gcc.c (wrapper_string): New variable.
1883         (insert_wrapper): New function.
1884         (execute): New option -wrapper.
1885         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1886
1887 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1888
1889         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1890         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1891         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1892         from...
1893         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1894         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1895         config/rs6000/e500crtres64gprctr.asm,
1896         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1897         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1898         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1899         config/rs6000/e500crtsav64gprctr.asm,
1900         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1901         config/rs6000/e500crtsavg64gprctr.asm: New files.
1902         * config/rs6000/t-ppccomm: Add build rules for new files.
1903         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1904         * config/rs6000/t-netbsd: Add build rules for new files.
1905         (LIB2FUNCS_STATIC_EXTRA): New variable.
1906         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1907         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1908         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1909
1910 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1911
1912         * config/i386/i386.c (ix86_builtin_type): Add
1913         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1914         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1915         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1916         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1917         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1918         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1919         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1920         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1921         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1922         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1923         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1924         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1925         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1926         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1927         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1928         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1929         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1930         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1931         V1DI_FTYPE_V2SI_V2SI.
1932         (bdesc_2arg): Moved to ...
1933         (bdesc_args): Here.
1934         (ix86_init_mmx_sse_builtins): Updated.
1935         (ix86_expand_args_builtin): Updated.  Take a pointer
1936         to const struct builtin_description.  Handle comparison
1937         builtin functions.
1938         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1939         (ix86_expand_builtin): Updated.
1940
1941         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1942         (ssse3_pmaddubsw128): This.
1943         (ssse3_pmaddubswv4hi3): Renamed to ...
1944         (ssse3_pmaddubsw): This.
1945
1946         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1947         (__builtin_ia32_packssdw128): Likewise.
1948         (__builtin_ia32_packuswb128): Likewise.
1949         (__builtin_ia32_pmaddubsw): Likewise.
1950         (__builtin_ia32_pmaddubsw128): Likewise.
1951
1952 2008-04-30  Richard Guenther  <rguenther@suse.de>
1953
1954         PR tree-optimization/14847
1955         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1956         (recognize_bits_test): Use it.
1957         (recognize_single_bit_test): Likewise.
1958
1959 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1960
1961         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1962         instead of setting number of formal parameters to zero.
1963         (ipcp_init_stage): Do not set the number of actual parameters to zero
1964         either.
1965         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1966         which are called with variable number of arguments.
1967         (ipcp_insert_stage): Explicitely skipping all nodes which are
1968         called with variable number of arguments.
1969         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
1970         number of parameters.
1971
1972         * ipa-prop.h (struct ipa_node_params): Added flag
1973         called_with_var_arguments
1974         (ipa_set_param_count): Added.  Changed sole setter to use it.
1975         (ipa_get_param_count): Added.  All readers of param_count
1976         converted to use it instead.
1977         (ipa_set_called_with_variable_arg): Added.
1978         (ipa_is_called_with_var_arguments): Added.
1979         (ipa_get_ith_param): Added.  All readers of param_decls converted
1980         to use it instead.
1981         (ipa_set_cs_argument_count): Added, sole writer to argument_count
1982         changed to use it.
1983         (ipa_get_cs_argument_count): Added, all readers of argument_count
1984         changed to cal it.
1985         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
1986         to use it.
1987
1988         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1989         (struct ipcp_lattice): Renamed cval_type to type
1990         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1991
1992         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1993         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1994         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1995         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
1996         (build_const_val): Changed the type of parameter cvalue to tree
1997         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
1998         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
1999
2000         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
2001         constant
2002
2003         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2004         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2005         (ipa_add_method): Renamed to ipa_push_func_to_list
2006         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2007         (ipa_callsite_param_count): Removed.
2008         (ipa_callsite_param_count_set): Removed.
2009         (ipa_callsite_param): Removed.
2010         (ipa_callsite_callee): Removed.
2011         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2012         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2013         (ipa_method_formal_count): Removed.
2014         (ipa_method_formal_count_set): Removed.
2015         (ipa_method_get_tree): Removed.
2016         (ipa_method_tree_map_create): Removed.
2017         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2018         (ipa_create_param_decls_array): Creates the array itself
2019         (ipa_create_param_decls_array): Temporary variable info instead of
2020         a few dereferences.
2021         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2022         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2023         (get_type): Removed.
2024         (ipa_jf_get_info_type): Removed.
2025         (ipa_node_create): Renamed to ipa_create_node_params
2026         (ipa_free): Renamed to ipa_free_all_node_params
2027         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2028         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2029         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2030         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2031         (ipa_free_all_node_params): Deallocation to jump_functions moved to
2032         ipa_free_all_edge_args
2033         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2034         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2035         (ipa_create_methodlist_node): Removed.
2036         (ipa_methodlist_method): Removed.
2037         (ipa_methodlist_method_set): Removed.
2038         (ipa_methodlist_next_method): Removed.
2039         (ipa_methodlist_next_method_set): Removed.
2040         (ipa_method_is_modified): Removed.
2041         (ipa_method_modify_create): Removed.
2042         (ipa_method_modify_init): Temporary variable info instead of a few
2043         dereferences.
2044         (ipa_detect_param_modifications): Temporary variable info instead of
2045         a few dereferences.
2046         (ipa_compute_jump_functions): Temporary variable info instead of
2047         a few dereferences.
2048         (ipa_method_modify_set): Removed.
2049         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2050         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
2051         than craph_node as the first parameter.
2052         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2053         (ipa_method_modify_init): Removed.
2054         (ipa_compute_jump_functions): Added a temp variable instead of
2055         repeatadly dereferencing the cgraph_edge.aux pointer
2056         (ipa_callsite_param_set_type): Removed.
2057         (ipa_compute_jump_functions): i renamed to index and moved to
2058         an inner block
2059         (ipa_callsite_param_set_info_type_formal): Removed.
2060         (ipa_callsite_param_set_info_type): Removed.
2061         (ipa_callsite_param_map_create): Removed.
2062         (ipa_callsite_tree): Removed.
2063         (ipa_callsite_caller): Removed.
2064         (ipa_pop_func_from_list): return_method removed to return_func
2065
2066         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2067         prefixed all values with IPA_. Changed all users.
2068         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
2069         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
2070         and FORMAL_IPATYPE IPA_PASS_THROUGH.
2071         (union parameter_info): Renamed to jump_func_value.
2072         (union jump_func_value): Renamed value to constant
2073         (struct ipa_jump_func): Renamed info_type to value
2074         (struct ipa_node): Renamed to ipa_node_params
2075         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2076         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2077         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2078         (struct ipa_edge): Renamed to ipa_edge_args
2079         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2080         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2081         (struct ipa_methodlist): Renamed to ipa_func_list
2082         (struct ipa_func_list): method_p renamed to node, next_method
2083         renamed to next
2084         (ipa_methodlist_p): Removed, switched all users to struct pointer
2085         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2086
2087 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2088
2089         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2090         (rs6000_emit_epilogue): Use backchain to restore only when we
2091         have a large frame.  Make use of frame pointer to restore if we
2092         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2093
2094 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2095
2096         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2097         Add mode to zero_extract.
2098         (sign bit tests peepholes): (Ditto.).
2099
2100 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2101
2102         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2103         Instructions in comments with SSE3.
2104         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2105         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2106         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2107         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2108         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2109         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2110         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2111         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2112         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2113         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2114         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2115         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2116         (bdesc_sse_args): Renamed to ...
2117         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2118         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2119         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2120         IX86_BUILTIN_FABSQ.
2121         (bdesc_1arg): Moved to ...
2122         (bdesc_args): Here.
2123         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2124         Instructions in comments with SSE3.
2125         (ix86_expand_sse_operands_builtin): Renamed to ...
2126         (ix86_expand_args_builtin): This.  Updated.
2127         (ix86_expand_unop1_builtin): Update comments.
2128         (ix86_expand_builtin): Updated.
2129
2130 2008-04-29  Richard Guenther  <rguenther@suse.de>
2131
2132         PR tree-optimization/36078
2133         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2134         Update virtual SSA form after cleaning up the CFG.
2135
2136 2008-04-29  Richard Guenther  <rguenther@suse.de>
2137
2138         PR middle-end/15255
2139         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2140
2141 2008-04-29  Richard Guenther  <rguenther@suse.de>
2142
2143         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2144         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2145         (compute_flow_insensitive_aliasing): Do not treat
2146         PTR_IS_REF_ALL pointers special.
2147         (get_smt_for): Likewise.
2148         (may_alias_p): Re-structure.
2149         (is_escape_site): A ref-all pointer conversion is not an escape site.
2150         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2151         PTR_IS_REF_ALL pointers special.
2152         * tree-ssa-structalias.h (struct alias_info): Remove
2153         ref_all_symbol_mem_tag field.
2154         (PTR_IS_REF_ALL): Remove.
2155
2156 2008-04-29  Richard Guenther  <rguenther@suse.de>
2157
2158         PR middle-end/36077
2159         * fold-const.c (extract_muldiv_1): In combining division constants
2160         make sure to never overflow.
2161
2162 2008-04-29  Nick Clifton  <nickc@redhat.com>
2163
2164         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2165
2166 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2167
2168         PR bootstrap/35169
2169         * optc-gen.awk: Work around HP-UX/IA awk bug.
2170
2171 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2172
2173         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2174         2008-04-25 commit.
2175
2176 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2177
2178         PR target/36073
2179         * config/i386/i386.md
2180         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2181         Change operand 1 predicate to nonimmediate_operand.
2182
2183 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2184
2185         PR debug/36060
2186         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2187         die_sub field.
2188         * gengtype.c (walk_type, write_func_for_structure): Handle
2189         chain_circular.
2190         * doc/gty.texi: Document chain_circular.
2191
2192 2008-04-28  Richard Guenther  <rguenther@suse.de>
2193
2194         PR tree-optimization/36066
2195         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2196         SCEV and loop.
2197
2198 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2199
2200         PR target/36064
2201         * config/i386/i386.md
2202         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2203         Use match_scratch instead of match_operand for operands 3 and 4.
2204
2205 2008-04-27  Richard Guenther  <rguenther@suse.de>
2206
2207         PR tree-optimization/18754
2208         PR tree-optimization/34223
2209         * tree-pass.h (pass_complete_unrolli): Declare.
2210         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2211         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2212         Rewrite loop into loop closed SSA form if it is not already.
2213         (tree_unroll_loops_completely): Re-structure to iterate over
2214         innermost loops with intermediate CFG cleanups.
2215         Unroll outermost loops only if requested or the code does not grow
2216         doing so.
2217         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2218         loops are available.
2219         (tree_vectorize): Instead do so here.
2220         (tree_complete_unroll): Also unroll outermost loops.
2221         (tree_complete_unroll_inner): New function.
2222         (gate_tree_complete_unroll_inner): Likewise.
2223         (pass_complete_unrolli): New pass.
2224         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2225         uses outside of the loop.
2226         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2227         form if it is available.
2228         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2229         * passes.c (init_optimization_passes): Schedule complete inner
2230         loop unrolling pass before the first CCP pass after final inlining.
2231
2232 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2233
2234         * targhooks.h (default_emutls_var_fields,
2235         default_emutls_var_init): Declare.
2236         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2237         * target.h (struct gcc_target): Add struct emutls member.
2238         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2239         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2240         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2241         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2242         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2243         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2244         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2245         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2246         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2247         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2248         emit debug information.
2249         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2250         * varasm.c: Include targhooks.h.
2251         (emutls_object_section, emutls_tmpl_section): New.
2252         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2253         (EMUTLS_SEPARATOR): New.
2254         (prefix_name): New.
2255         (get_emutls_object_name): New.
2256         (default_emutls_var_fields): New, broken out of ...
2257         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2258         (get_emutls_init_templ_addr): Adjust to use target hooks.
2259         (emutls_decl): Adjust to use target hooks.
2260         (emutls_finish): Likewise.
2261         (default_emutls_var_init): New, broken out of ...
2262         (assemble_variable): ... here.  Adjust to use target hooks.
2263         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2264         SECCAT_EMUTLS_TMPL.
2265         * c-common.c (handle_section_attribute): Prevent overriding
2266         sections for emulated tls with special sections.
2267         * config/i386/i386.c (x86_64_elf_select_section): Add
2268         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2269         (x86_64_elf_unique_section): Likewise.
2270         * config/vxworks.c: Include tree.h.
2271         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2272         (vxworks_override_options): Set TLS scheme.
2273         * doc/tm.texi (Emulated TLS): New node.
2274
2275 2008-04-26  Simon Baldwin <simonb@google.com>
2276
2277         PR c/35652
2278         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2279         with propagated string constants.
2280
2281 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2282
2283         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2284         constraint for operand 2 when operand 0 is memory operand.
2285         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2286         operand 0 is memory operand.
2287         (fix_trunc<mode>_i387_with_temp): Ditto.
2288         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2289         operand 2 when operand 1 is memory operand.
2290         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2291         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2292         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2293         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2294         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2295         operands 2,3 and 4 when operand 1 is memory operand.
2296         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2297         is memory operand.
2298         (fistdi2_floor_with_temp): Ditto.
2299         (fist<mode>2_floor_with_temp): Ditto.
2300         (fistdi2_ceil_with_temp): Ditto.
2301         (fist<mode>2_ceil_with_temp): Ditto.
2302         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2303
2304 2008-04-26  David Daney  <ddaney@avtrex.com>
2305
2306         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2307         unspec_volitile.
2308         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2309         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2310         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2311         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2312         (compare_and_swap_12): New insn.
2313         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2314         * config/mips/mips.c (mips_force_binary): New function.
2315         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2316         (mips_expand_compare_and_swap_12): New function.
2317         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2318
2319 2008-04-25  Jan Hubicka  <jh@suse.cz>
2320
2321         PR testsuite/35843
2322         * cfgexpand.c (pass_expand): Turn into RTL pass.
2323         * passes.c (execute_one_pass): Do pass typechecking after execution.
2324         * tree-pass.h (pass_expand): Turn into RTL pass.
2325
2326         * function.h (struct rtl_data): Move here fields
2327         accesses_prior_frames, calls_eh_return, saves_all_registers,
2328         has_nonlocal_goto, has_asm_statement, is_thunk,
2329         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2330         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2331         arg_pointer_save_area_init from struct function; turn into bool.
2332         (struct function): Move
2333         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2334         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2335         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2336         tail_call_emit, arg_pointer_save_area_init
2337         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2338         (current_function_returns_struct, current_function_returns_pcc_struct,
2339         current_function_calls_setjmp, current_function_calls_alloca,
2340         current_function_accesses_prior_frames,
2341         current_function_calls_eh_return, current_function_is_thunk,
2342         current_function_stdarg, current_function_profile,
2343         current_function_limit_stack, current_function_uses_pic_offset_table,
2344         current_function_uses_const_pool, current_function_has_nonlocal_label,
2345         current_function_saves_all_registers,
2346         current_function_has_nonlocal_goto,
2347         current_function_has_asm_statement): Remove accesor macros.
2348         * ra-conflict.c (global_conflicts): Update.
2349         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2350         (suitable_for_tail_call_opt_p): Update.
2351         * builtins.c (expand_builtin_return_addr): Update.
2352         (expand_builtin_setjmp_setup): Update.
2353         (expand_builtin_nonlocal_goto): Update.
2354         * final.c (final_start_function): Update.
2355         (profile_function): Update.
2356         (leaf_function_p): Update.
2357         (only_leaf_regs_used): Update.
2358         * df-scan.c (df_get_exit_block_use_set): Update.
2359         * dojump.c (clear_pending_stack_adjust): Update.
2360         * tree-stdarg.c (gate_optimize_stdarg): Update.
2361         * gimple-low.c (lower_function_body): Update.
2362         * global.c (compute_regsets): Update.
2363         (global_alloc): Update.
2364         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2365         * expr.c (expand_assignment): Update.
2366         * dse.c (dse_step0): Update.
2367         (dse_step1): Update.
2368         * c-decl.c (store_parm_decls): Update.
2369         * local-alloc.c (combine_regs): Update.
2370         (find_free_reg): Update.
2371         * function.c (assign_parms_augmented_arg_list): Update.
2372         (assign_parm_find_data_types): Update.
2373         (assign_parms): Update.
2374         (allocate_struct_function): Update.
2375         (expand_function_start): Update.
2376         (expand_function_end): Update.
2377         (get_arg_pointer_save_area): Update.
2378         (thread_prologue_and_epilogue_insns): Update.
2379         (rest_of_match_asm_constraints): Update.
2380         * stor-layout.c (variable_size): Update.
2381         * gcse.c (gcse_main): Update.
2382         (bypass_jumps): Update.
2383         * gimplify.c (gimplify_function_tree): Update.
2384         * calls.c (emit_call_1): Update.
2385         (expand_call): Update.
2386         * bt-load.c (compute_defs_uses_and_gen): Update.
2387         * except.c (sjlj_assign_call_site_values): Update.
2388         (sjlj_emit_function_enter): Update.
2389         (can_throw_external): Update.
2390         (set_nothrow_function_flags): Update.
2391         (expand_builtin_unwind_init): Update.
2392         (expand_eh_return): Update.
2393         (convert_to_eh_region_ranges): Update.
2394         (output_function_exception_table): Update.
2395         * emit-rtl.c (gen_tmp_stack_mem): Update.
2396         * cfgexpand.c (expand_used_vars): Update.
2397         (tree_expand_cfg): Update.
2398         * cfgcleanup.c (rest_of_handle_jump): Update.
2399         * explow.c (allocate_dynamic_stack_space): Update.
2400         * varasm.c (assemble_start_function): Update.
2401         (force_const_mem): Update.
2402         (mark_constant_pool): Update.
2403         * tree-optimize.c (tree_rest_of_compilation): Update.
2404         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2405         * tree-cfg.c (notice_special_calls): Update.
2406         (is_ctrl_altering_stmt): Update.
2407         (tree_can_make_abnormal_goto): Update.
2408         (tree_purge_dead_abnormal_call_edges): Update.
2409         * config/alpha/predicates.md: Update.
2410         * config/alpha/alpha.c (alpha_sa_mask): Update.
2411         (alpha_sa_size): Update.
2412         (alpha_does_function_need_gp): Update.
2413         (alpha_expand_prologue): Update.
2414         (alpha_start_function): Update.
2415         (alpha_output_function_end_prologue): Update.
2416         (alpha_expand_epilogue): Update.
2417         * config/frv/frv.c (frv_stack_info): Update.
2418         (frv_expand_epilogue): Update.
2419         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2420         (s390_register_info): Update.
2421         (s390_frame_info): Update.
2422         (s390_init_frame_layout): Update.
2423         (s390_can_eliminate): Update.
2424         (save_gprs): Update.
2425         * config/spu/spu.c (spu_split_immediate): Update.
2426         (need_to_save_reg): Update.
2427         (spu_expand_prologue): Update.
2428         (spu_expand_epilogue): Update.
2429         * config/sparc/sparc.md: Update.
2430         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2431         (sparc_tls_got): Update.
2432         (legitimize_pic_address): Update.
2433         (sparc_emit_call_insn): Update.
2434         (sparc_expand_prologue): Update.
2435         (output_return): Update.
2436         (print_operand): Update.
2437         (sparc_function_ok_for_sibcall): Update.
2438         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2439         * config/m32r/m32r.md: Update.
2440         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2441         (m32r_compute_frame_size): Update.
2442         (m32r_expand_prologue): Update.
2443         (m32r_expand_epilogue): Update.
2444         (m32r_legitimize_pic_address): Update.
2445         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2446         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2447         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2448         (gen_push): Update.
2449         (ix86_save_reg): Update.
2450         (ix86_compute_frame_layout): Update.
2451         (ix86_expand_prologue): Update.
2452         (ix86_expand_epilogue): Update.
2453         * config/sh/sh.c (output_stack_adjust): Update.
2454         (calc_live_regs): Update.
2455         (sh5_schedule_saves): Update.
2456         (sh_expand_prologue): Update.
2457         (sh_expand_epilogue): Update.
2458         (sh_setup_incoming_varargs): Update.
2459         (sh_allocate_initial_value): Update.
2460         (sh_get_pr_initial_val): Update.
2461         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2462         * config/sh/sh.md (label:): Update.
2463         * config/avr/avr.c (out_movhi_mr_r): Update.
2464         * config/crx/crx.h (enum): Update.
2465         * config/xtensa/xtensa.h (along): Update.
2466         * config/stormy16/stormy16.c Update.
2467         (xstormy16_compute_stack_layout): Update.
2468         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2469         (fr30_expand_prologue): Update.
2470         * config/cris/cris.c (cris_conditional_register_usage): Update.
2471         (cris_reg_saved_in_regsave_area): Update.
2472         (cris_initial_frame_pointer_offset): Update.
2473         (cris_simple_epilogue): Update.
2474         (cris_expand_prologue): Update.
2475         (cris_expand_epilogue): Update.
2476         (cris_expand_pic_call_address): Update.
2477         (cris_asm_output_symbol_ref): Update.
2478         (cris_asm_output_label_ref): Update.
2479         * config/cris/cris.md Update.
2480         * config/iq2000/iq2000.c (compute_frame_size): Update.
2481         (iq2000_expand_epilogue): Update.
2482         * config/mt/mt.h (save_direction): Update.
2483         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2484         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2485         (ia64_secondary_reload_class): Update.
2486         * config/m68k/m68k.c (m68k_save_reg): Update.
2487         (m68k_expand_prologue): Update.
2488         (m68k_expand_epilogue): Update.
2489         (legitimize_pic_address): Update.
2490         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2491         (first_reg_to_save): Update.
2492         (first_altivec_reg_to_save): Update.
2493         (compute_vrsave_mask): Update.
2494         (compute_save_world_info): Update.
2495         (rs6000_stack_info): Update.
2496         (spe_func_has_64bit_regs_p): Update.
2497         (rs6000_ra_ever_killed): Update.
2498         (rs6000_emit_eh_reg_restore): Update.
2499         (rs6000_emit_allocate_stack): Update.
2500         (rs6000_emit_prologue): Update.
2501         (rs6000_emit_epilogue): Update.
2502         (rs6000_output_function_epilogue): Update.
2503         (output_profile_hook): Update.
2504         (rs6000_elf_declare_function_name): Update.
2505         * config/rs6000/rs6000.h (rs6000_args): Update.
2506         * config/rs6000/rs6000.md: Update.
2507         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2508         * config/arc/arc.c (arc_output_function_epilogue): Update.
2509         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2510         * config/darwin.c (machopic_function_base_name): Update.
2511         * config/score/score3.c (score3_compute_frame_size): Update.
2512         (rpush): Update.
2513         (rpop): Update.
2514         (score3_epilogue): Update.
2515         * config/score/score7.c (score7_compute_frame_size): Update.
2516         (score7_prologue): Update.
2517         (score7_epilogue): Update.
2518         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2519         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2520         * config/arm/arm.c (use_return_insn): Update.
2521         (require_pic_register): Update.
2522         (arm_load_pic_register): Update.
2523         (arm_compute_save_reg0_reg12_mask): Update.
2524         (arm_compute_save_reg_mask): Update.
2525         (thumb1_compute_save_reg_mask): Update.
2526         (output_return_instruction): Update.
2527         (arm_output_function_prologue): Update.
2528         (arm_output_epilogue): Update.
2529         (arm_get_frame_offsets): Update.
2530         (arm_expand_prologue): Update.
2531         (thumb_pushpop): Update.
2532         (thumb_exit): Update.
2533         (thumb1_expand_prologue): Update.
2534         (thumb1_expand_epilogue): Update.
2535         (arm_unwind_emit): Update.
2536         (arm_output_fn_unwind): Update.
2537         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2538         * config/arm/arm.md: Update.
2539         * config/pa/pa.md: Update.
2540         * config/pa/pa.c (legitimize_pic_address): Update.
2541         (compute_frame_size): Update.
2542         (hppa_expand_prologue): Update.
2543         (hppa_expand_epilogue): Update.
2544         (borx_reg_operand): Update.
2545         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2546         (HARD_REGNO_RENAME_OK): Update.
2547         * config/mips/mips.c (mips_global_pointer): Update.
2548         (mips_save_reg_p): Update.
2549         (mips_compute_frame_info): Update.
2550         (mips_frame_pointer_required): Update.
2551         (mips_expand_prologue): Update.
2552         (mips_expand_epilogue): Update.
2553         (mips_can_use_return_insn): Update.
2554         (mips_reorg_process_insns): Update.
2555         * config/v850/v850.c (compute_register_save_size): Update.
2556         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2557         * config/mmix/mmix.c (along): Update.
2558         (mmix_expand_epilogue): Update.
2559         * config/bfin/bfin.c (legitimize_pic_address): Update.
2560         (must_save_p): Update.
2561         (stack_frame_needed_p): Update.
2562         (add_to_reg): Update.
2563         (bfin_expand_prologue): Update.
2564         * stmt.c (expand_asm_operands): Update.
2565         * reload1.c (reload): Update.
2566         (init_elim_table): Update.
2567
2568 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2569
2570         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2571
2572 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2573
2574         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2575         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2576         (mov<mode>): Removed.
2577         (*movv4sf_internal): Likewise.
2578         (*movv2df_internal): Likewise.
2579
2580 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2581
2582         * config.gcc (crx-*-elf): Remove deprecation.
2583
2584 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2585
2586         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2587         __gcc_deregister_frame with atexit.
2588         (deregister_frame_dtor): Remove.
2589
2590 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2591             Nathan Sidwell  <nathan@codesourcery.com>
2592
2593         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2594         (misel): Likewise.
2595         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2596         (rs6000_isel): Likewise.
2597         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2598         (rs6000_isel): New variable.
2599         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2600
2601 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2602
2603         PR c++/35758
2604         * c-common.c (handle_vector_size_attribute): Call
2605         lang_hooks.types.reconstruct_complex_type instead of
2606         reconstruct_complex_type.
2607         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2608         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2609         * langhooks.h (struct lang_hooks_for_types): Add
2610         reconstruct_complex_type hook.
2611         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2612         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2613
2614 2008-04-24  Richard Guenther  <rguenther@suse.de>
2615
2616         * c-common.h (check_builtin_function_arguments): Declare.
2617         * c-common.c (validate_nargs): New function.
2618         (check_builtin_function_arguments): Likewise.
2619         * c-typeck.c (build_function_call): Call
2620         check_builtin_function_arguments.
2621         * builtins.c (fold_builtin_classify): Remove error reporting code.
2622         (fold_builtin_unordered_cmp): Likewise.
2623         (fold_builtin_1): Likewise.
2624         (fold_builtin_n): Likewise.
2625
2626 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2627
2628         PR tree-optimization/36008
2629         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2630         the original op1, rather than delta by step.
2631
2632 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2633             Sebastian Pop  <sebastian.pop@amd.com>
2634
2635         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2636         eliminate_local_variables_stmt, eliminate_local_variables,
2637         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2638         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2639         of code delimited by two edges in the CFG.
2640         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2641         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2642         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
2643         the case of parallelisation of reductions.
2644         (expr_invariant_in_region_p): New.
2645
2646         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2647         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2648
2649 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2650             Richard Guenther  <rguenther@suse.de>
2651
2652         PR tree-optimization/36034
2653         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2654         incapable of dealing with loads with gaps.
2655
2656 2008-04-24  Rafael Espindola  <espindola@google.com>
2657
2658         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2659         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2660         vrp_evaluate_conditional.
2661         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2662         (vrp_evaluate_conditional): Split the cond argument.
2663         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2664         (simplify_stmt_for_jump_threading): Update call to
2665         vrp_evaluate_conditional.
2666
2667 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2668
2669         PR tree-optimization/35982
2670         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2671         interleaved data-refs are of the same type.
2672
2673 2008-04-24  Danny Smith  <dannysmith@users.net>
2674
2675         * c-format.c (check_format_info_main): Use strncmp rather than a
2676         magic prefix to handle multichar length specs.
2677         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2678         Don't prefix "I64" and "I32" with '\0'.
2679
2680 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2681
2682         PR target/36015
2683         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2684         in registers for -m32 only if stdarg_p (fntype).
2685
2686 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2687
2688         PR rtl-optimization/36006
2689         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2690         temp to op0 in order to avoid invalid rtx sharing.
2691
2692 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2693
2694         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2695         check TREE_INVARIANT.
2696         * tree-gimple.c (is_gimple_address): New.
2697         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2698         * tree-gimple.h (is_gimple_address): New.
2699         * tree.h (decl_address_invariant_p): New.
2700         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2701         (build_string): Likewise.
2702         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2703         (tree_invariant_p_1): Likewise.
2704         (save_expr): Use it.
2705         (tree_invariant_p): New.
2706         (skip_simple_arithmetic): Use it.
2707         (stabilize_reference_1): Use it.
2708         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2709         simplify.
2710         (build1_stat): Drop code to compute TREE_INVARIANT.
2711         (build2_stat): Drop code to compute TREE_INVARIANT.
2712         (build3_stat): Drop code to compute TREE_INVARIANT.
2713         (build4_stat): Drop code to compute TREE_INVARIANT.
2714         (build5_stat): Drop code to compute TREE_INVARIANT.
2715         (build7_stat): Drop code to compute TREE_INVARIANT.
2716         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2717         * tree.h (struct tree_base): Remove invariant_flag.
2718         (TREE_INVARIANT): Remove.
2719         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2720         (fold_builtin_expect): Check TREE_CONSTANT.
2721         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2722         * c-tree.h (c_expr_to_decl): Drop third parameter.
2723         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2724         (build_c_cast): Don't set TREE_INVARIANT.
2725         (pop_init_level): Don't set TREE_INVARIANT.
2726         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2727         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2728         TREE_CONSTANT.
2729         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2730         (gimplify_addr_expr): Adjust comment.
2731         * tree-mudflap.c (mf_build_string):
2732         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2733         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2734         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2735         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2736         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2737         * langhooks.h (struct lang_hooks): Drop third parameter from
2738         expr_to_decl.
2739
2740 2008-04-23  Richard Guenther  <rguenther@suse.de>
2741
2742         PR tree-optimization/27799
2743         PR tree-optimization/32921
2744         PR tree-optimization/32624
2745         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2746         SMTs aliases and the tag itself into the solution.
2747         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2748         merge the points-to solution back into the SMT aliases.
2749         (may_alias_p): Use alias_set_subset_of instead of
2750         aliases_conflict_p.  A pointer which points to
2751         memory with alias set zero may access any variable.
2752
2753 2008-04-23  Richard Guenther  <rguenther@suse.de>
2754
2755         * alias.c (alias_set_subset_of): Correctly handle asking
2756         if zero is a subset of an alias set with zero child.
2757         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2758         (compute_flow_insensitive_aliasing): Correctly walk all
2759         pointers.  Do not unnecessarily union sets.
2760
2761 2008-04-23  Richard Guenther  <rguenther@suse.de>
2762
2763         PR middle-end/36021
2764         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2765
2766 2008-04-22  Tomas Bily  <tbily@suse.cz>
2767
2768         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2769         unreachable case.
2770         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2771         NON_LVALUE_EXPR.
2772         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2773         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2774         * tree-inline.c (estimate_num_insns_1): Likewise.
2775         * varasm.c (const_hash_1, compare_constant, copy_constant)
2776         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2777         * emit-rtl.c (component_ref_for_mem_expr)
2778         (set_mem_attributes_minus_bitpos): Likewise.
2779         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2780         (is_aligning_offset): Likewise.
2781         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2782         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2783         * dojump.c (do_jump): Likewise.
2784         * builtins.c (get_pointer_alignment, get_memory_rtx)
2785         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2786         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2787
2788 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2789
2790         PR rtl-optimization/36017
2791         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2792         expanding the library call.
2793
2794 2008-04-22  Ian Lance Taylor  <iant@google.com>
2795
2796         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2797         than size_in_bytes.
2798
2799 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2800
2801         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2802         of LR/CTR moves for Power6.
2803
2804 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2805
2806         PR middle-end/36003
2807         * passes.c (init_optimization_passes): Remove
2808         pass_fast_rtl_byte_dce.
2809
2810 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2811
2812         PR target/29096
2813         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2814         builtin functions to generate faster code.
2815         (_mm_cvtpu16_ps): Ditto.
2816         (_mm_cvtpi32x2_ps): Ditto.
2817
2818 2008-04-22  Nick Clifton  <nickc@redhat.com>
2819
2820         * common.opt (ftree-loop-distribution): Add Optimization
2821         attribute.
2822
2823         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2824         (frv_expand_builtin_va_start): Likewise.
2825
2826         * config/arm/arm.c (thumb_find_work_register): Fix location of
2827         argument register count.
2828
2829 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2830
2831         Support scheduling for ColdFire V1 and V3 microarchitecture.
2832         Improve scheduling of multiplication instructions.
2833
2834         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2835         (mac): New instruction attribute.
2836         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2837         (m68k_sched_mac): New variable.
2838         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2839         Handle cfv1 and cfv3.
2840         (max_insn_size): New static variable.
2841         (struct _sched_ib): New type.
2842         (sched_ib): New static variable.
2843         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2844         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2845         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2846         Update.
2847         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2848         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2849         new variables.  Update.
2850         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2851         Add modeling of cfv3 instruction buffer.  Update.
2852         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2853         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2854         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2855         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2856         a particular reservation applies to.
2857         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2858         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2859         to mul_l and mul_w.
2860         (cf_ib_*): Simplify description of instruction buffer.
2861         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2862         (cf_mem): Split into cf_mem1 and cf_mem2.
2863         (cf_v2_move_??): Rename to cfv12_alu_??.
2864         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2865         (cf_v2_mul_??): Remove reservations.
2866         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2867         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2868         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2869         appropriate place.
2870         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2871         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2872         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2873         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2874         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2875         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2876         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2877         expansions of the above reservations for instructions of sizes
2878         1, 2 and 3 words.
2879
2880 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2881
2882         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2883
2884 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2885
2886         * coverage.c: Include tree-pass.h.
2887         (coverage_counter_alloc): Print da_file_name to the dump file.
2888
2889 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2890
2891         * sbitmap.c (sbitmap_range_empty_p): New function.
2892         * sbitmap.h (sbitmap_range_empty_p): New function.
2893         * bitmap.h: Now includes obstack.h.
2894
2895 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2896             Kenneth Zadeck  <zadeck@naturalbridge.com>
2897
2898         * dbgcnt.def (ra_byte_scan): Added.
2899         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2900         when the last hit happens for a counter.
2901         * timevar.def (TV_DF_BYTE_LR): New variable.
2902         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2903         * passes.c (pass_fast_rtl_byte_dce): New pass.
2904         * fwprop.c (update_df): Added mode to call df_ref_create.
2905         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2906         DF_REF_EXTRACT_OFFSET.
2907         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
2908         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2909         (df_mm): New enum.
2910         (df_ref_extract): Added mode field.
2911         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2912         DF_REF_EXTRACT_OFFSET.
2913         (DF_REF_EXTRACT_MODE): New macro.
2914         (df_byte_lr_bb_info): New structure.
2915         (df_print_byte_regset, df_compute_accessed_bytes,
2916         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2917         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2918         df_byte_lr_simulate_uses,
2919         df_byte_lr_simulate_artificial_refs_at_top,
2920         df_byte_lr_simulate_artificial_refs_at_end,
2921         df_compute_accessed_bytes): New function.
2922         (df_ref_create): Add parameter.
2923         (df_byte_lr_get_bb_info): New inline function.
2924         * df-scan.c (df_ref_record, df_uses_record,
2925         df_ref_create_structure): Added mode parameter.
2926         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
2927         df_defs_record, df_uses_record, df_get_conditional_uses,
2928         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
2929         df_entry_block_defs_collect, df_exit_block_uses_collect):
2930         Added mode parameter to calls to df_ref_record, df_uses_record,
2931         df_ref_create_structure.
2932         (df_ref_equal_p, df_ref_compare): Added test for modes.
2933         (df_ref_create_structure): Added code to set mode.  Renamed
2934         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2935         DF_REF_EXTRACT_OFFSET.
2936         * df-core.c (df_print_byte_regset): New function.
2937         * df-byte-scan.c: New file.
2938         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2939         calls to BITMAP_FREE.
2940         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2941         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2942         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
2943         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
2944         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2945         df_byte_lr_local_compute, df_byte_lr_init,
2946         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
2947         df_byte_lr_transfer_function, df_byte_lr_free,
2948         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2949         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
2950         df_byte_lr_simulate_uses,
2951         df_byte_lr_simulate_artificial_refs_at_top,
2952         df_byte_lr_simulate_artificial_refs_at_end): New function.
2953         * dce.c (byte_dce_process_block): New function.
2954         (dce_process_block): au is now passed in rather than computed
2955         locally.  Changed loops that look at artificial defs to not look
2956         for conditional or partial ones, because there never are any.
2957         (fast_dce): Now is able to drive byte_dce_process_block or
2958         dce_process_block depending on the kind of dce being done.
2959         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2960         (rest_of_handle_fast_byte_dce): New function.
2961         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2962         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2963
2964 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2965
2966         PR fortran/35019
2967         * gcc.h: Added fortran options that take arguments to
2968         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2969         macros.
2970
2971 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2972
2973         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2974         scalarization if on the LHS and not a full access.
2975
2976 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2977
2978         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2979
2980 2008-04-18  Rafael Espindola  <espindola@google.com>
2981
2982         * tree-vrp.c (find_case_label_index): Fix the binary search.
2983         (find_case_label_range): New.
2984         (vrp_visit_switch_stmt): Use find_case_label_range.
2985         (simplify_switch_using_ranges): Use find_case_label_range.
2986
2987 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2988
2989         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2990         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2991
2992 2008-04-18  Tom Tromey  <tromey@redhat.com>
2993
2994         PR libcpp/15500:
2995         * doc/cpp.texi (Implementation-defined behavior): Mention
2996         -finput-charset.
2997
2998 2008-04-18  Ian Lance Taylor  <iant@google.com>
2999
3000         * fold-const.c (pointer_may_wrap_p): New static function.
3001         (fold_comparison): Add another test for pointer overflow.  Use
3002         pointer_may_wrap_p to disable some false positives.
3003
3004 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3005
3006         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3007         (fname_as_string): Match updated cpp_interpret_string prototype.
3008         (fix_string_type): Support char16_t* and char32_t*.
3009         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3010         derivative) nodes.  Register as builtin if C++0x.
3011         (c_parse_error): Support CPP_CHAR{16,32}.
3012         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
3013         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3014         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3015         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3016         CTI_CHAR32_ARRAY_TYPE>: New elements.
3017         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3018         char32_type_node, signed_char32_type_node, char16_array_type_node,
3019         char32_array_type_node): New defines.
3020         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3021         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3022         (lex_string): Support CPP_STRING{16,32}, match updated
3023         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3024         (lex_charconst): Support CPP_CHAR{16,32}.
3025         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3026         and CPP_STRING{16,32}.
3027
3028 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3029
3030         PR bootstrap/35457
3031         * aclocal.m4: Regenerate.
3032         * configure: Regenerate.
3033
3034 2008-04-18  Jan Hubicka  <jh@suse.cz>
3035
3036         * except.c (dw2_size_of_call_site_table,
3037         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3038
3039         * cgraphbuild.c (build_cgraph_edges): Update.
3040         * tree-pass.h: Update comment.
3041         * final.c (leaf_function_p): Update.
3042         (leaf_renumber_regs): Update.
3043         (rest_of_clean_state): Update.
3044         * omp-low.c (expand_omp_parallel): Update.
3045         * ipa-reference.c (analyze_function): Update.
3046         * reorg.c (find_end_label): Update.
3047         (optimize_skip): Update.
3048         (fill_simple_delay_slots): Update.
3049         (fill_simple_delay_slots): Update.
3050         (make_return_insns): Update.
3051         (dbr_schedule): Update.
3052         * gimple-low.c (record_vars_into): Update.
3053         * cfgbuild.c (make_edges): Update.
3054         * function.c (assign_stack_local): Update.
3055         (assign_parm_adjust_stack_rtl): Update.
3056         (locate_and_pad_parm): Update.
3057         (allocate_struct_function): Do not initialize stack_alignment_needed
3058         and preferred_stack_boundary here.
3059         (stack_protect_prologue): Update.
3060         (stack_protect_epilogue): Update.
3061         (expand_function_start): Initialize stack_alignment_needed,
3062         preferred_stack_boundary and max_jumptable_ents.
3063         (expand_function_end): Update.
3064         (free_after_compilation): Do not NULLify epilogue_delay_list.
3065         * function.h (struct rtl_data): Add stack_protect_guard,
3066         stack_alignment_needed,
3067         preferred_stack_boundary, epilogue_delay_list.
3068         (struct function): Remove value_histograms, stack_alignment_needed,
3069         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3070         last_label_uid,
3071         unexpanded_var_list, stack_protect_guard.
3072         (current_function_epilogue_delay_list): Remove.
3073         * ipa-type-escape.c (analyze_function): Update.
3074         * gimplify.c (pop_gimplify_context): Update comment.
3075         * calls.c (expand_call): Update.
3076         (emit_library_call_value_1): Update.
3077         * except.c (set_nothrow_function_flags): Update.
3078         * cfgexpand.c (get_decl_align_unit): Update.
3079         (create_stack_guard): Update.
3080         (estimated_stack_frame_size): Update.
3081         (expand_used_vars): Update.
3082         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3083         * explow.c (allocate_dynamic_stack_space): Update.
3084         * tree-ssa-live.c (remove_unused_locals): Update.
3085         * varasm.c (mark_constant_pool): Update.
3086         * tree-inline.c (remap_decls): Update.
3087         (initialize_cfun): Update.
3088         (declare_return_variable): Update.
3089         (inline_forbidden_p): Update.
3090         (expand_call_inline): Update.
3091         (declare_inline_vars): Update.
3092         (tree_function_versioning): Update.
3093         * tree-flow.h (value_histograms): New.
3094         (VALUE_HISTOGRAMS): New macro.
3095         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3096         last_label_uid.
3097         * tree-cfg.c (set_bb_for_stmt): Update.
3098         (replace_by_duplicate_decl): Update.
3099         (move_block_to_fn): Update.
3100         (new_label_mapper): Update.
3101         (dump_function_to_file): Update.
3102         * ipa-struct-reorg.c (build_data_structure): Update.
3103         * cfgrtl.c (print_rtl_with_bb): Update.
3104         * reload1.c (reload): Update.
3105         (reload): Update.
3106         * config/i386/i386.c (setup_incoming_varargs_64,
3107         ix86_compute_frame_layout): Update.
3108         * config/arc/arc.c (arc_output_function_epilogue): Update.
3109
3110 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3111
3112         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3113         for FreeBSD as well.
3114         * gthr-posix95.h: Likewise.
3115
3116 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3117
3118         PR rtl-optimization/35838
3119         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3120         out the byte offset of the first subreg.
3121
3122 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3123
3124         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3125         to split_ti instead of three separate calls with single member arrays.
3126         (subti3 splitter): Ditto.
3127         (adddi3 splitter): Ditto with split_di.
3128         (subdi3 splitter): Ditto.
3129         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3130         two separate calls with single member arrays.  Swap match_dup
3131         operands 1 and 2 to better fit into the array.
3132         (negdi2 splitter): Ditto with split_di.
3133         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3134         two separate calls with single member arrays.  Swap match_dup operands
3135         6 and 7 to better fit into the array.
3136
3137 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3138
3139         * config/i386/i386.c (sse_builtin_type): New.
3140         (bdesc_sse_args): Likewise.
3141         (bdesc_sse_3arg): Removed.
3142         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3143         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3144         IX86_BUILTIN_ROUNDPS.
3145         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3146         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3147         IX86_BUILTIN_ROUNDPS.
3148         (ix86_expand_sse_4_operands_builtin): Removed.
3149         (ix86_expand_sse_operands_builtin): New.
3150         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3151         and CODE_FOR_sse4_1_roundps.
3152         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3153         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3154
3155 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3156
3157         PR target/35907
3158         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3159         regs before frame pop when needed.  If use_backchain_to_restore_sp
3160         then load backchain into a temp reg to restore vr and vrsave.  Add
3161         code to restore vr after frame pop if possible.
3162
3163 2008-04-17  Richard Guenther  <rguenther@suse.de>
3164
3165         * tree-vn.c (expressions_equal_p): Do not check type
3166         equality or compatibility before calling operand_equal_p.
3167         * fold-const.c (operand_equal_p): Check equivalence of
3168         integer constants before bailing out due to signedness or
3169         precision differences.
3170         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3171         spurious differences in type qualification.  Ignore types
3172         for COMPONENT_REFs at all.
3173
3174 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3175
3176         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3177         msw_skip comparison.
3178
3179 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3180
3181         PR c/35739
3182         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3183         reg type.
3184
3185         PR tree-optimization/35899
3186         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3187         rather than TREE_OPERAND.
3188
3189 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3190
3191         PR target/35944
3192         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3193         temporary registers.  Change operand predicate to general_operand.
3194         (remainderxf3): Ditto.
3195
3196 2008-04-16  Richard Guenther  <rguenther@suse.de>
3197
3198         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3199         * tree-affine.c (aff_combination_expand): Look through some
3200         conversions.
3201
3202 2008-04-15  Doug Kwan  <dougkwan@google.com>
3203
3204         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3205         for hex printing.
3206         * tree-pretty-print.c (dump_generic_node): Ditto.
3207         * final.c (output_addr_const): Ditto.
3208         * dwarf2out.c (output_cfi): Ditto.
3209         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3210         * print-rtl.c (print_rtx): Ditto.
3211         * print-tree.c (print_node_brief, print_node): Ditto.
3212         * c-common.c (match_case_to_enum_1): Ditto.
3213         * sched-vis.c (print_value): Ditto.
3214         * config/i386/i386.c (print_operand): Cast to long unsigned int
3215         for hex printing.
3216
3217 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3218         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3219         MS Windows VirtualProtect function.
3220
3221 2008-04-15  Jan Hubicka  <jh@suse.cz>
3222
3223         * gengtype.c (write_root): Param_is argument is OK.
3224         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3225         * function.h: Include varray.h
3226         (rtl_eh): New stucture based on except.c one.
3227         (call_site_record): New forward declaration and vector type.
3228         * calls.c (emit_call_1): Do not call
3229         note_current_region_may_contain_throw.
3230         * except.c (eh_status): Remove cur_region, try_region since they are
3231         unused.
3232         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3233         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3234         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
3235         Remove call_site_data_used, call_site_data_size.
3236         Turn call_site_record into vector in function.h.
3237         (note_current_region_may_contain_throw): Remove.
3238         (get_exception_pointer, get_exception_filter): Do not take struct
3239         function argument; update.
3240         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3241         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3242         build_post_landing_pads, dw2_build_landing_pads,
3243         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3244         sjlj_emit_function_enter, sjlj_emit_function_enter,
3245         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3246         sjlj_build_landing_pads, finish_eh_generation,
3247         remove_exception_handler_label, remove_eh_handler,
3248         maybe_remove_eh_handler, add_reachable_handler,
3249         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3250         add_action_record, collect_one_action_chain, add_call_site,
3251         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3252         sjlj_output_call_site_table, output_function_exception_table,
3253         * except.h (note_current_region_may_contain_throw): Remove
3254         (get_exception_pointer, get_exception_filter): Do not take struct
3255         function argument.
3256         * Makefile.in (GTFILES): Put varargs before struct function.
3257
3258 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3259
3260         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3261         punt for STRING_CST.
3262         (get_constraint_for): Deal with STRING_CST here instead.
3263
3264 2008-04-15  Richard Guenther  <rguenther@suse.de>
3265
3266         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3267         statements in a basic-block with a backward walk.  Do not
3268         substitute into dead statements but instead remove those.
3269
3270 2008-04-15  Richard Guenther  <rguenther@suse.de>
3271
3272         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3273         to zero, thus disable creation of SFTs.
3274
3275 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3276
3277         * tree-predcom.c (suitable_reference_p): Return false if the
3278         reference can throw.
3279
3280 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR c/35751
3283         * c-decl.c (finish_decl): If extern or static var has variable
3284         size, set TREE_TYPE (decl) to error_mark_node.
3285
3286 2008-04-15  Rafael Espindola  <espindola@google.com>
3287
3288         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3289         variable arg1.
3290
3291 2008-04-15  Richard Guenther  <rguenther@suse.de>
3292
3293         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3294         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3295         (visit_reference_op_load): Do walk vuse-vdef chains on
3296         vn_reference_lookup.
3297         (visit_reference_op_store): But do not here.
3298         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3299         vn_reference_lookup.
3300         (vn_lookup_with_vuses): But do so here.
3301
3302 2008-04-14  Ian Lance Taylor  <iant@google.com>
3303
3304         * fold-const.c (fold_overflow_warning): Remove assertion.
3305
3306 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3307
3308         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3309         temp1 local variables.
3310
3311 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3312
3313         PR target/35661
3314         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3315         ".text.unlikely" section as executable.
3316
3317 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3318
3319         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3320         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3321         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3322         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3323         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3324         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3325         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3326
3327 2008-04-14  Ian Lance Taylor  <iant@google.com>
3328
3329         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3330         * fold-const.c (fold_comparison): If appropriate, test
3331         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3332         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3333         reassociating a pointer type.
3334         * doc/invoke.texi (Optimize Options): Document that
3335         -fstrict-overflow applies to pointer wraparound.
3336
3337 2008-04-13  Jan Hubicka  <jh@suse.cz>
3338
3339         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3340
3341 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3342
3343         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3344         we are going to "save the world".
3345
3346 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3347
3348         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3349         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3350         operand 0 constraint, not "=".
3351
3352 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3353
3354         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3355
3356 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3357
3358         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3359         of size of positions_needed * CHAR_BIT.
3360
3361 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3362
3363         PR middle-end/35897
3364         * dse.c (store_info): Change positions_needed to unsigned
3365         HOST_WIDE_INT.
3366         (lowpart_bitmask): New.
3367         (record_store): Cast to unsigned HOST_WIDE_INT for
3368         positions_needed.  Assert width <= size of positions_needed *
3369         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3370         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3371         lowpart_bitmask to set mask.
3372
3373 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3374
3375         * config/bfin/constraints.md: New file.
3376         * config/bfin/bfin.md: Include it.
3377         (adddi3): Use satisfies_constraint functions instead of the old macros.
3378         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3379         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3380         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3381         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3382         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3383         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3384         EXTRA_CONSTRAINT): Delete.
3385         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3386         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3387         of the old macros.
3388         * config/bfin/bfin.c: Include "tm-constrs.h".
3389         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3390         Use satisfies_constraint functions instead of the old macros.
3391         * doc/md.texi (Blackfin Constraints): Update file name reference.
3392
3393 2008-04-11  Richard Guenther  <rguenther@suse.de>
3394
3395         PR tree-optimization/35869
3396         * tree-vrp.c (execute_vrp): Move switch statement update after
3397         jump threading.  Schedule another cfg cleanup run.
3398
3399 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3400
3401         PR c/35744
3402         * attribs.c (decl_attributes): Return early on errorneous node.
3403
3404 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3405
3406         * tree.h (struct tree_base): Added a new flag default_def_flag.
3407         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3408
3409 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3410
3411         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3412
3413 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3414
3415         PR target/35768
3416         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3417         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3418         (icacheflush): Likewise.
3419         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3420         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3421
3422 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3423
3424         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3425
3426 2008-04-10  Rafael Espindola  <espindola@google.com>
3427
3428         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3429         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3430         (extract_range_from_expr): The same.
3431
3432 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3433
3434         * config/mips/mips.md (GPR2): New mode iterator.
3435         (seq): Add comment.
3436         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3437         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3438         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3439         Rewrite these to take two modes, the mode of comparison and the
3440         mode of the destination.
3441         * config/mips/mips.c (mips_expand_scc): Instead of having
3442         paradoxical subreg as destination, expand "narrowing" scc if mode
3443         of comparison is SI and target is requested in DI mode.
3444         (mips_emit_int_order_test): Update comment.  Make mode of
3445         comparison match CMP0 rather than TARGET.  When creating inverse
3446         target use mode of TARGET.
3447
3448 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3449
3450         * gcov-dump.c (tag_summary): Only print summaries for the first
3451         GCOV_COUNTERS_SUMMABLE counters.
3452
3453 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3454
3455         * config/i386/i386.md (absneg): New code iterator.
3456         (absnegprefix): New code attribute.
3457         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3458         patterns using absneg code iterator.
3459         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3460         using absneg code iterator.
3461         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3462         *neg<mode>2 patterns using absneg code iterator.
3463         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3464         *negextendsfdf2 patterns using absneg code iterator.
3465         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3466         *negextendsfxf2 patterns using absneg code iterator.
3467         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3468         *negextendsfdf2 patterns using absneg code iterator.
3469         * config/i386/sse.md (<code><mode>2): Macroize expander from
3470         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
3471
3472 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3473
3474         * config/s390/s390.h: Remove the remains of the recent search
3475         & replace action of current_function_outgoing_args_size.
3476
3477 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3478
3479         PR tree-optimization/35821
3480         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3481         NEW_STMT_LIST is not NULL.
3482
3483 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3484
3485         PR libstdc++/35597
3486         * toplev.c (process_options): Remove -ffunction-sections debugging
3487         warning.
3488
3489 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3490
3491         PR middle-end/PR28690
3492         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3493         than gen_rtx_fmt_ee to perform more canonicalizations.
3494
3495 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3496
3497         PR driver/35665
3498         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3499
3500 2008-04-09  Richard Guenther  <rguenther@suse.de>
3501
3502         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3503         (dump_function_to_file): Dump function arguments with types.
3504
3505 2008-04-08  Richard Guenther  <rguenther@suse.de>
3506
3507         * fold-const.c (fold_widened_comparison): Do not allow
3508         sign-changes that change the result.
3509
3510 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3511
3512         PR target/35839
3513         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3514         kinds of indirect references.
3515
3516 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3517
3518         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3519         GNU Fortran language string.
3520
3521 2008-04-08  Rafael Espindola  <espindola@google.com>
3522
3523         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3524         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3525         * tree.h (tree_call_nonnegative_warnv_p): New.
3526
3527 2008-04-08  Jan Hubicka  <jh@suse.cz>
3528
3529         * function.c (free_after_compilation): Clear out regno_reg_rtx
3530         pointer.
3531
3532 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3533
3534         Revert
3535         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3536
3537         PR middle-end/PR28690
3538         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3539         same precedence as REG_POINTER and MEM_POINTER operands.
3540
3541 2008-04-08  Richard Guenther  <rguenther@suse.de>
3542
3543         PR middle-end/35834
3544         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3545         for adding index to base.
3546
3547 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3548
3549         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3550         (MINGW_ENABLE_EXECUTE_STACK): New.
3551         (IN_LIBGCC2): For libgcc include windows.h file for
3552         function declarations.
3553
3554 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3555
3556         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3557         and tem2 if tem1 is not a REG or MULT.
3558
3559 2008-04-08  Jan Hubicka  <jh@suse.cz>
3560
3561         * function.h (incomming_args): Break out of struct function.
3562         (function_subsections): Break out of struct function.
3563         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3564         return_rtx and hard_reg_initial_vals from struct function.
3565         Kill inl_max_label_num.
3566         (current_function_pops_args, current_function_args_info,
3567         current_function_args_size, current_function_args_size,
3568         current_function_pretend_args_size,
3569         current_function_outgoing_args_size,
3570         current_function_internal_arg_pointer, current_function_return_rtx):
3571         Kill compatibility accestor macros.
3572         * builtins.c (expand_builtin_apply_args_1): Update.
3573         (expand_builtin_next_arg): Update.
3574         * df-scan.c (df_get_call_refs): Update.
3575         * dbxout.c (dbxout_function_end): Update.
3576         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3577         (output_line_info): Update.
3578         (secname_for_decl): Update.
3579         (dwarf2out_var_location): Update.
3580         * function.c (free_after_compilation): Update.
3581         (assign_parm_find_stack_rtl): Update.
3582         (assign_parms): Update.
3583         (expand_dummy_function_end): Update.
3584         (expand_function_end): Update.
3585         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3586         (expand_call): Update.
3587         (emit_library_call_value_1): Update.
3588         (store_one_arg): Update.
3589         * varasm.c (initialize_cold_section_name): Update.
3590         (unlikely_text_section): Update.
3591         (unlikely_text_section_p): Update.
3592         (assemble_start_function): Update.
3593         (assemble_end_function): Update.
3594         (default_section_type_flags): Update.
3595         (switch_to_section): Update.
3596         * integrate.c (set_decl_abstract_flags): Update.
3597         (get_hard_reg_initial_val): Update.
3598         (has_hard_reg_initial_val): Update.
3599         (allocate_initial_values): Update.
3600         * resource.c (init_resource_info): Update.
3601         * config/alpha/alpha.c (NUM_ARGS): Update.
3602         (direct_return): Update.
3603         (alpha_va_start): Update.
3604         (alpha_sa_size): Update.
3605         (alpha_initial_elimination_offset): Update.
3606         (alpha_expand_prologue): Update.
3607         (alpha_start_function): Update.
3608         (alpha_expand_epilogue): Update.
3609         (unicosmk_initial_elimination_offset):
3610         * config/alpha/alpha.md (call expander): Update.
3611         * config/s390/s390.c (s390_register_info): Update.
3612         (s390_register_info): Update.
3613         (s390_frame_info): Update.
3614         (s390_initial_elimination_offset): Update.
3615         (s390_build_builtin_va_list): Update.
3616         (s390_va_start): Update.
3617         * config/spu/spu.c (direct_return): Update.
3618         (spu_expand_prologue): Update.
3619         (spu_initial_elimination_offset): Update.
3620         (spu_build_builtin_va_list): Update.
3621         (spu_va_start): Update.
3622         * config/sparc/sparc.c (sparc_init_modes): Update.
3623         (sparc_compute_frame_size): Update.
3624         (function_value): Update.
3625         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3626         * config/i386/i386.md (return expander): Update.
3627         * config/i386/i386.c (ix86_va_start): Update.
3628         (ix86_can_use_return_insn_p): Update.
3629         (ix86_compute_frame_layout): Update.
3630         (ix86_expand_epilogue): Update.
3631         * config/sh/sh.c (output_stack_adjust): Update.
3632         (calc_live_regs): Update.
3633         (sh_expand_prologue): Update.
3634         (sh_builtin_saveregs): Update.
3635         (sh_va_start): Update.
3636         (initial_elimination_offset): Update.
3637         (sh_allocate_initial_value): Update.
3638         (sh_function_ok_for_sibcall): Update.
3639         (sh_get_pr_initial_val): Update.
3640         * config/sh/sh.md (return expander): Update.
3641         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3642         * config/crx/crx.c (crx_compute_frame): UPdate.
3643         (crx_initial_elimination_offset): UPdate.
3644         * config/xtensa/xtensa.c (compute_frame_size): Update
3645         (xtensa_builtin_saveregs): Update.
3646         (xtensa_va_start): Update.
3647         (order_regs_for_local_alloc): Update.
3648         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3649         (xstormy16_expand_builtin_va_start): Update.
3650         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3651         * config/m68hc11/m68hc11.md (return expanders): Update.
3652         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3653         (expand_epilogue): Update.
3654         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3655         (cris_simple_epilogue): Update.
3656         (cris_expand_prologue): Update.
3657         (cris_expand_epilogue): Update.
3658         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3659         (compute_frame_size): Update.
3660         * config/mt/mt.c (mt_compute_frame_size): Update.
3661         * config/mn10300/mn10300.c (expand_prologue): Update.
3662         (expand_epilogue): Update.
3663         (initial_offset): Update.
3664         (mn10300_builtin_saveregs):
3665         * config/mn10300/mn10300.md (return expander): Update.
3666         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3667         (ia64_initial_elimination_offset): Update.
3668         (ia64_initial_elimination_offset): Update.
3669         (ia64_expand_prologue): Update.
3670         * config/m68k/m68k.md (return expander): Update.
3671         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3672         (rs6000_stack_info): Update.
3673         * config/mcore/mcore.c (layout_mcore_frame): Update.
3674         (mcore_expand_prolog): Update.
3675         * config/arc/arc.c (arc_compute_frame_size): Update.
3676         * config/score/score3.c (score3_compute_frame_size): Update.
3677         * config/score/score7.c (score7_compute_frame_size): Update.
3678         * config/arm/arm.c (use_return_insn): Update.
3679         (thumb_find_work_register): Update.
3680         (arm_compute_save_reg_mask): Update.
3681         (arm_output_function_prologue): Update.
3682         (arm_output_epilogue): Update.
3683         (arm_size_return_regs): Update.
3684         (arm_get_frame_offsets): Update.
3685         (arm_expand_prologue): Update.
3686         (thumb_exit): Update.
3687         (thumb_unexpanded_epilogue): Update.
3688         (thumb1_output_function_prologue): Update.
3689         * config/pa/pa.md (return expander): Update.
3690         * config/pa/pa.c (compute_frame_size): Update.
3691         (hppa_builtin_saveregs): Update.
3692         * config/mips/mips.c (mips_va_start): Update.
3693         (mips16_build_function_stub): Update.
3694         (mips_compute_frame_info): Update.
3695         (mips_restore_gp): Update.
3696         (mips_output_function_prologue): Update.
3697         (mips_expand_prologue): Update.
3698         * config/v850/v850.c (compute_frame_size): Update.
3699         (expand_prologue): * config/mmix/mmix.c (along): update.
3700         (mmix_initial_elimination_offset): update.
3701         (mmix_reorg): update.
3702         (mmix_use_simple_return): update.
3703         (mmix_expand_prologue): update.
3704         (mmix_expand_epilogue): Update.
3705         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3706         (emit_link_insn): Update.
3707
3708 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3709
3710         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
3711         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
3712         instructions.
3713         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
3714         atmega103 device.
3715
3716 2008-04-07  Jan Hubicka  <jh@suse.cz>
3717
3718         * function.h (rtl): Rename to x_rtl.
3719         (crtl): New define.
3720         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3721         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3722         used_temp_slots avail_temp_slots, temp_slot_level,
3723         nonlocal_goto_handler_labels): Update accesstors.
3724         (rtl): New global variable.
3725         (struct function): Move some fileds to rtl_data.
3726         (get_arg_pointer_save_area): Update prototype.
3727         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3728         get_arg_pointer_save_area.
3729         * expr.c (init_expr): Update
3730         * function.c (get_frame_size): Update
3731         (assign_stack_local): Update
3732         (expand_function_end): Update.
3733         (get_art_pointer_save_area): Update
3734         * function.h
3735         * emit-rtl.c (rtl): Declare.
3736         (regno_reg_rtx): Declare.
3737         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3738         Update.
3739         (gen_reg_rtx): Update.
3740         * varasm.c (n_deferred_constatns): Update accestor.
3741         (init_varasm_status): Do not allocate varasm_status.
3742         (force_const_mem, get_pool_size, output_constant_pool): Update.
3743         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3744         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3745         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3746         * sparc/sparc.h (INIT_EXPANDERS): Update.
3747         * ia64/ia64.h (INIT_EXPANDERS): Update.
3748
3749 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3750
3751         * reload.c (push_secondary_reload): Add missing break to for loop.
3752
3753 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3754
3755         PR middle-end/PR28690
3756         * rtlanal.c: Update copyright years.
3757         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3758         as REG_POINTER and MEM_POINTER operands.
3759         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3760         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3761         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3762         * gcse.c: Update copyright years.
3763         (pre_delete): Call gen_reg_rtx_and_attrs.
3764         (hoist_code): Likewise.
3765         (build_store_vectors): Likewise.
3766         (delete_store): Likewise.
3767         * loop-invariant.c (move_invariant_reg): Likewise.
3768         Update copyright years.
3769
3770 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3771
3772         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3773         control string instead of quoted.
3774
3775 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3776
3777         * doc/rtl.texi: Rewrite of subreg section.
3778
3779 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3780
3781         PR/35842
3782         * config/i386/i386.c (legitimize_pic_address): Add treating
3783         of dllimport SYM_REF's.
3784         (legitimize_dllimport_symbol): Add prototype.
3785
3786 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3787
3788         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3789         reference in constructor with non self-referential type.
3790
3791 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3792
3793         Removal of Return with Depressed Stack Pointer support
3794         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3795         (ECF_SP_DEPRESSED): Likewise.
3796         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3797         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3798         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3799         (expand_call): Do not test ECF_SP_DEPRESSED.
3800         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3801         * function.c (keep_stack_depressed): Delete.
3802         (handle_epilogue_set): Likewise.
3803         (update_epilogue_consts): Likewise.
3804         (emit_equiv_load): Likewise.
3805         (thread_prologue_and_epilogue_insns): Remove support for Return with
3806         Depressed Stack Pointer.
3807         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3808
3809 2008-04-06  Richard Guenther  <rguenther@suse.de>
3810
3811         PR tree-optimization/35400
3812         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3813         information from SSA_NAMEs.
3814
3815 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3816
3817         * config/avr/avr.h (avr_mega_p): Remove declaration.
3818         (AVR_MEGA): Remove macro.
3819         * config/avr/avr.c (avr_mega_p): Remove variable.
3820         (avr_override_options): Remove inicializion of avr_mega_p.
3821         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3822         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3823         (avr_jump_mode): (Ditto.).
3824         (avr_output_progmem_section_asm_op): (Ditto.).
3825         (avr_asm_init_sections): (Ditto.).
3826         (avr_asm_init_sections): (Ditto.).
3827         (avr_rtx_costs): (Ditto.).
3828         * config/avr/avr.md: (Ditto.).
3829         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
3830         '__AVR_MEGA__'.
3831
3832 2008-04-06  Richard Guenther  <rguenther@suse.de>
3833
3834         PR tree-optimization/35842
3835         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3836         is_gimple_invariant_address.
3837
3838 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3839
3840         * gcc.c (default_compilers): Sync Fortran extensions list with
3841         that in fortran/lang-specs.h.
3842         * doc/invoke.texi: Likewise.
3843         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3844         * dwarf2out.c (gen_compile_unit_die): Likewise.
3845
3846 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3847
3848         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3849
3850 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3851
3852         PR target/12329
3853         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3854         attribute is used for nested functions.
3855
3856 2008-04-05  Jan Hubicka  <jh@suse.cz>
3857
3858         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3859
3860         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3861         letter argument.
3862         (dump_files): Update.
3863         (enable_rtl_dump_file): Do not accept letter argument.
3864         * tree-pass.h (dump_file_info): Remove letter argument.
3865         * toplev.c (decode_d_option): Update -da handling.
3866         * toplev.h (enable_rtl_dump_file): Update prototype.
3867         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3868         it out based on pass type.
3869         (register_dump_files_1): Likewise.
3870         (init_optimization_passes): Update register_one_dump_file calls.
3871         (execute_one_pass): Sanity check that IPA passes are called at IPA
3872         level and RTL passes at RTL level.
3873         (execute_pass_list): IPA pass can not be after or subpass of
3874         GIMPLE/RTL pass.
3875         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3876         disallov RTL subpasses of IPA subpasses.
3877
3878 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3879
3880         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3881         builtins that return exactly once and do not throw. Cache call to
3882         call_expr_flags.
3883
3884 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3885
3886         PR rtl-optimization/34916
3887         PR middle-end/35519
3888         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3889         between instruction pairs.
3890
3891 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3892
3893         * doc/invoke.texi: Document -mbitops for SH.
3894         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3895         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3896         * config/sh/sh.c (print_operand): Add %t operand code.
3897         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3898         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3899         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3900         (extendqihi2): Likewise.
3901         (movqi_i): Likewise.
3902         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3903         (extv): Use bld instruction for SH2A if possible.
3904         (extzv): Likewise.
3905         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3906         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3907         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3908         (bset.b, bclr.b): Define peepholes.
3909         * config/sh/sh.opt (mbitops): New option.
3910
3911 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3912
3913         PR target/35620
3914         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3915         and view convert expression.
3916
3917 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3918
3919         PR target/35364
3920         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3921
3922 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3923
3924         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3925
3926         * config/i386/cpuid.h (bit_AES): New.
3927         (bit_PCLMUL): Likewise.
3928
3929         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3930         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3931         SSE2 if AES or PCLMUL is enabled.
3932         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3933         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3934         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3935         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3936         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3937         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3938         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3939         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3940         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3941         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3942         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3943         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3944         __builtin_ia32_aeskeygenassist128 and
3945         __builtin_ia32_pclmulqdq128.
3946         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3947         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3948         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3949
3950         * config/i386/i386.h (TARGET_AES): New.
3951         (TARGET_PCLMUL): Likewise.
3952         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3953
3954         * config/i386/i386.md (UNSPEC_AESENC): New.
3955         (UNSPEC_AESENCLAST): Likewise.
3956         (UNSPEC_AESDEC): Likewise.
3957         (UNSPEC_AESDECLAST): Likewise.
3958         (UNSPEC_AESIMC): Likewise.
3959         (UNSPEC_AESKEYGENASSIST): Likewise.
3960         (UNSPEC_PCLMUL): Likewise.
3961
3962         * config/i386/i386.opt (maes): New.
3963         (mpclmul): Likewise.
3964
3965         * config/i386/sse.md (aesenc): New pattern.
3966         (aesenclast): Likewise.
3967         (aesdec): Likewise.
3968         (aesdeclast): Likewise.
3969         (aesimc): Likewise.
3970         (aeskeygenassist): Likewise.
3971         (pclmulqdq): Likewise.
3972
3973         * config/i386/wmmintrin.h: New.
3974
3975         * doc/extend.texi: Document AES and PCLMUL built-in function.
3976
3977         * doc/invoke.texi: Document -maes and -mpclmul.
3978
3979 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3980
3981         * function.c (free_after_parsing): Replace with
3982         cxx_push_function_context from C++ front-end.
3983         (allocate_struct_function): Don't call langhook.
3984         * langhooks.h (struct lang_hooks_for_functions): Delete.
3985         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3986         member "function".
3987         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3988         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3989         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3990         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3991         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3992         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3993         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3994
3995         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
3996         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
3997
3998 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3999
4000         PR c/35440
4001         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4002         for all types.
4003
4004 2008-04-04  Richard Guenther  <rguenther@suse.de>
4005
4006         PR middle-end/35823
4007         * fold-const.c (optimize_minmax_comparison): Use the correct
4008         type for the constant in the simplified comparison.
4009
4010 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4011
4012         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4013         Pass L2 size as "--param l2-cache-size" to the compiler.
4014         (decode_l2_cache): New function to decode L2 cache parameters using
4015         0x8000006 extended cpuid function.
4016         (detect_caches_amd): Determine parameters of L2 cache using
4017         decode_l2_caches function.
4018         (decode_caches_intel): Decode L2 cache parameters.
4019         (detect_caches_intel): Determine L2 cache parameters using
4020         decode_caches_intel and decode_l2_caches functions.
4021
4022 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4023
4024         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4025         secondary input reload for subword loads from the constant pool.
4026
4027 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4028
4029         PR target/35713
4030         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4031           constants of the appropriate size for runtime calculations.
4032
4033         PR c/35712
4034         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4035           decimal-float literal constant zero.
4036
4037 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4038
4039         PR c/35738
4040         * c-parser.c (c_parser_omp_atomic): Call
4041         default_function_array_conversion on the RHS.
4042
4043         PR middle-end/35818
4044         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4045         call is_variable_sized if decl has incomplete type.
4046
4047 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4048
4049         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4050
4051 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4052
4053         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4054         iterators.
4055         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4056         (sgt<u>): Merge sgt and sgtu into new expander.
4057         (sgt, sgtu): Remove expanders.
4058         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4059         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4060         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4061         *sgtu_<mode>_mips16 into new pattern.
4062         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4063         (sge<u>): Merge sge and sgeu into new expander.
4064         (sge, sgeu): Remove expanders.
4065         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4066         new pattern.
4067         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4068         (slt<u>): Merge slt and sltu into new expander.
4069         (slt, sltu): Remove expanders.
4070         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4071         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4072         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4073         *sltu_<mode>_mips16 into new pattern.
4074         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4075         (sle<u>): Merge sle and sleu into new expander.
4076         (sle, sleu): Remove expanders.
4077         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4078         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4079         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4080         *sleu_<mode>_mips16 into new pattern.
4081         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4082
4083 2008-04-03  Jan Hubicka  <jh@suse.cz>
4084
4085         PR tree-optimization/35795
4086         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4087         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4088         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4089         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4090         * score/score3.c (score3_output_mi_thunk): Likewise.
4091         * score/score7.c (score7_output_mi_thunk): Likewise.
4092         * mips/mips.c (mips_output_mi_thunk): Likewise.
4093
4094 2008-04-03  Richard Guenther  <rguenther@suse.de>
4095
4096         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4097         conversions.  Simplify code.
4098
4099 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4100
4101         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4102
4103 2008-04-03  Tom Tromey  <tromey@redhat.com>
4104             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4105
4106         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4107         * config/bfin/t-bfin-linux (generated_files): Add
4108         linux-sysroot-suffix.h.
4109         * doc/install.texi (Prerequisites): Require make 3.80.
4110         * doc/sourcebuild.texi (Front End Directory): Document new
4111         variable.
4112         * Makefile.in (generated_files): New variable.
4113         (ALL_HOST_OBJS): New variable.
4114         ($(ALL_HOST_OBJS)): New target.
4115
4116 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4117
4118         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4119         (remap_block): Call id->transform_lang_insert_block instead
4120         of langhook.
4121         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4122         Set id.transform_lang_insert_block to NULL.
4123         (clone_body): Move to cp/optimize.c
4124         * tree-inline.h (struct copy_body_data): Change
4125         transform_lang_insert_block to function pointer.
4126         (copy_generic_body, copy_decl_no_change): Export.
4127         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4128         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4129         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4130
4131         * c-tree.h (insert_block): Kill.
4132         * c-decl.c (insert_block): Kill.
4133
4134 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4135
4136         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4137         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4138         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4139         argument.
4140         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4141         argument, call {push,pop}_function_context from here.
4142         * c-parser.c: Use c_{push,pop}_function_context.
4143
4144         * function.c (push_function_context_to): Move meat ...
4145         (push_function_context): ... here.  Simplify.
4146         * function.c (pop_function_context_from): Move meat ...
4147         (pop_function_context): ... here.  Simplify.
4148         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4149         leave_nested).
4150         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4151         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4152         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4153         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4154
4155 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4156
4157         * expmed.c (extract_force_align_mem_bit_field): Remove.
4158
4159 2008-04-03  Richard Guenther  <rguenther@suse.de>
4160
4161         PR middle-end/35800
4162         * expr.h (try_casesi): Adjust prototype.
4163         * expr.c (try_casesi): Take fallback label as extra parameter.
4164         Use that for gen_casesi if default_label is NULL.
4165         * stmt.c (expand_case): Pass fallback label to try_casesi,
4166         make sure to fill gaps with a fallback label if default_label
4167         is not present.
4168
4169 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4170
4171         PR target/35801
4172         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4173
4174 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4175
4176         * expmed.c (extract_split_bit_field): Remove if (0) code.
4177         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4178         (do_ds_constraint): Likewise.
4179
4180 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4181
4182         * doc/cppopts.texi (-dU): Document.
4183         * c-common.h (flag_dump_macros): Update comment.
4184         * c-opts.c (handle_OPT_d): Handle -dU.
4185         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4186         dump_queued_macros, cb_used_define, cb_used_undef): New.
4187         (init_pp_output): Handle -dU.
4188         (cb_line_change): Call dump_queued_macros.
4189         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4190
4191 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4192
4193         * config/avr/predicates.md (io_address_operand): New predicate.
4194         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4195         * config/avr/avr.c (avr_io_address_p): Remove function.
4196         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
4197         'avr_io_address_p' function.
4198         (out_movhi_r_mr): (Ditto.).
4199         (out_movqi_mr_r): (Ditto.).
4200         (out_movhi_mr_r): (Ditto.).
4201         (avr_address_cost): (Ditto.).
4202
4203 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4204
4205         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4206         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4207         in 32bit mode when XMM registers are available to avoid store
4208         forwarding stalls.
4209         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4210         corresponding post-reload splitters.
4211
4212 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4213
4214         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4215         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4216         __builtin_ia32_roundss.
4217         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4218         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4219         __builtin_ia32_roundss.
4220         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4221         IX86_BUILTIN_SHUFPD here.
4222
4223 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4224
4225         * config/i386/i386.md (plogic): New.
4226         (plogicprefix): Likewise.
4227
4228         * config/i386/mmx.md (mmx_<code><mode>3): New.
4229         (mmx_and<mode>3): Removed.
4230         (mmx_ior<mode>3): Likewise.
4231         (mmx_xor<mode>3): Likewise.
4232
4233         * config/i386/sse.md (<code><mode>3): New.
4234         (*<code><mode>3): Likewise.
4235         (*<code><mode>3): Likewise.
4236         (<code><mode>3): Likewise.
4237         (*sse_<code><mode>3): Likewise.
4238         (*sse2_<code><mode>3): Likewise.
4239         (<code>tf3): Likewise.
4240         (*<code>tf3): Likewise.
4241         (and<mode>3): Likewise.
4242         (*and<mode>3): Likewise.
4243         (ior<mode>3): Removed.
4244         (*ior<mode>3): Likewise.
4245         (xor<mode>3): Likewise.
4246         (*xor<mode>3): Likewise.
4247         (*and<mode>3): Likewise.
4248         (*ior<mode>3): Likewise.
4249         (*xor<mode>3): Likewise.
4250         (and<mode>3): Likewise.
4251         (*sse_and<mode>3): Likewise.
4252         (*sse2_and<mode>3): Likewise.
4253         (andtf3): Likewise.
4254         (*andtf3): Likewise.
4255         (ior<mode>3): Likewise.
4256         (*sse_ior<mode>3): Likewise.
4257         (*sse2_ior<mode>3): Likewise.
4258         (iortf3): Likewise.
4259         (*iortf3): Likewise.
4260         (xor<mode>3): Likewise.
4261         (*sse_xor<mode>3): Likewise.
4262         (*sse2_xor<mode>3): Likewise.
4263         (xortf3): Likewise.
4264         (*xortf3): Likewise.
4265
4266 2008-04-02  Richard Guenther  <rguenther@suse.de>
4267
4268         PR tree-optimization/14495
4269         PR tree-optimization/34793
4270         * tree-vrp.c (struct switch_update): New structure.
4271         (to_remove_edges, to_update_switch_stmts): New VECs.
4272         (simplify_switch_using_ranges): New function.  Remove not taken
4273         case labels and edges.
4274         (simplify_stmt_using_ranges): Call it.
4275         (identify_jump_threads): Mark edges we have queued for removal
4276         so we don't thread them.
4277         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4278         case label vector.
4279         * tree-cfg.c (group_case_labels): Deal with missing default label.
4280         (tree_verify_flow_info): Allow missing default label.
4281         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4282         (emit_case_nodes): Likewise.
4283         (expand_case): Do not rely on the default label to be present.
4284         * expr.c (try_casesi): Deal with NULL default_label.
4285         (do_tablejump): Likewise.
4286
4287 2008-04-02  Richard Guenther  <rguenther@suse.de>
4288
4289         PR tree-optimization/14495
4290         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4291         SWITCH_EXPR here ...
4292         (vrp_visit_switch_stmt): ... but here (new function).
4293         (find_case_label_index): New helper function.
4294         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4295
4296 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4297
4298         * fwprop.c: Fix ISO-C99ism.
4299
4300 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4301
4302         PR bootstrap/35752
4303         * Makefile.in (objdir): Set it here.
4304         * configure.ac: Not here.  Find dynamic linker characteristics.
4305         * exec-tool.in: Use them.
4306         * aclocal.m4: Regenerate.
4307         * configure: Regenerate.
4308
4309 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4310
4311         * expr.c (expand_var): Delete it.
4312         * expr.h (expand_var): Delete prototype.
4313         * function.c (expand_function_start): Use expand_decl instead.
4314         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4315         langhook.
4316
4317 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4318
4319         PR rtl-optimization/35542
4320         * fwprop.c (forward_propagate_and_simplify): Replace
4321         loc_reg_mentioned_in_p with reg_mentioned_p.
4322
4323 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4324
4325         PR rtl-optimization/35281
4326         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4327         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4328         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4329         (varying_mem_p): Move above propagate_rtx.
4330         (all_uses_available_at): Do not check MEMs.
4331
4332 2008-04-02  Rafael Espindola  <espindola@google.com>
4333
4334         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4335         (register_edge_assert_for_2): Split the cond argument.
4336         (register_edge_assert_for_1): Adjust for the change in
4337         register_edge_assert_for_2.
4338         (register_edge_assert_for): Split the cond argument.
4339         (find_switch_asserts): Adjust for the change in
4340         register_edge_assert_for.
4341
4342 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4343
4344         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4345         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4346         offsets for 64-bit mingw.
4347         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4348         abi for x86_64-pc-mingw.
4349
4350 2008-04-02  Richard Guenther  <rguenther@suse.de>
4351
4352         * tree-vrp.c (extract_range_from_assert): Make sure to not
4353         produce range min/max with TREE_OVERFOW set.
4354         If merging a anti-range and a range keep the anti-range if
4355         the range covers all values of the type.
4356         (register_edge_assert_for_2): Only allow sign-changing
4357         conversions in detecting canonical range checks.  Also
4358         register an assert for the unsigned name if useful.
4359
4360         PR tree-optimization/35787
4361         * tree-vrp.c (vrp_val_max): New function.
4362         (vrp_val_min): Likewise.
4363         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4364         (vrp_val_is_min): Likewise.
4365         (supports_overflow_infinity): Use vrp_val_{min,max}.
4366         (negative_overflow_infinity): Likewise.
4367         (positive_overflow_infinity): Likewise.
4368         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4369         (is_positive_overflow_infinity): Likewise.
4370         (is_overflow_infinity): Likewise.
4371         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4372         vrp_val_is_{min,max}.
4373         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4374         to ranges if possible.  Avoid empty ranges.
4375
4376 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4377
4378         PR middle-end/35705
4379         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4380         the expression is a function address.
4381
4382 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4383
4384         PR fortran/35154, fortran/23057
4385         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4386         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4387         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4388         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4389         in common.
4390         (dbxout_syms): Check for COMMON-based symbol and wrap in
4391         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4392         in bracket for efficiency.
4393
4394         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4395         using DW_TAG_common_block + member offset.
4396         (add_pubname_string): New function.
4397         (dw_expand_expr): New function to find block name and offset for
4398         COMMON var.
4399         (common_check): New function to check whether symbol in Fortran COMMON.
4400         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4401
4402 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4403
4404         PR c/35436
4405         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4406
4407 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4408
4409         * config/v850/v850.md (casesi): Remove if (0) code.
4410         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4411         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4412
4413 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4414
4415         * config/i386/i386.md (rex64suffix): New mode attribute.
4416         (floathi<mode>2): Disable expander for SSE math.
4417         (*floathi<mode>2_1): New insn insn_and_split pattern.
4418         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4419         corresponding post-reload splitters.
4420         (*floathi<mode>2_i387): New macroized insn pattern.
4421         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4422         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4423         insn_and_split pattern.
4424         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4425         New macroized instruction patterns and corresponding post-reload
4426         splitters.
4427         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4428         and corresponding post-reload splitters.
4429         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4430         New macroized instruction patterns.
4431         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4432         macroized instruction patterns and corresponding post-reload splitters.
4433         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4434         corresponding post-reload splitters.
4435         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4436         New macroized instruction patterns.
4437         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4438         corresponding post-reload splitters.
4439         (*floatsi<mode>2_i387): New macroized instruction patterns.
4440
4441 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4442
4443         * config/i386/i386.md (smaxmin): New.
4444         (umaxmin): Likewise.
4445         (maxminiprefix): Likewise.
4446         (maxminfprefix): Likewise.
4447         (<code><mode>3): Likewise.
4448         (smin<mode>3): Removed.
4449         (smax<mode>3): Likewise.
4450
4451         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4452         (mmx_<code>v4hi3): Likewise.
4453         (mmx_<code>v8qi3): Likewise.
4454         (mmx_smaxv2sf3): Removed.
4455         (mmx_sminv2sf3): Likewise.
4456         (mmx_umaxv8qi3): Likewise.
4457         (mmx_smaxv4hi3): Likewise.
4458         (mmx_uminv8qi3): Likewise.
4459         (mmx_sminv4hi3): Likewise.
4460
4461         * config/i386/sse.md (<addsub><mode>3): New.
4462         (*<addsub><mode>3): Likewise.
4463         (<sse>_vm<addsub><mode>3): Likewise.
4464         (<maxmin><mode>3): Likewise.
4465         (*<maxmin><mode>3_finite): Likewise.
4466         (*<maxmin><mode>3): Likewise.
4467         (<sse>_vm<maxmin><mode>3): Likewise.
4468         (sse3_h<addsub>v4sf3): Likewise.
4469         (sse3_h<addsub>v2df3): Likewise.
4470         (<maxmin>v16qi3): Likewise.
4471         (*<maxmin>v16qi3): Likewise.
4472         (<maxmin>v8hi3): Likewise.
4473         (*<maxmin>v8hi3): Likewise.
4474         (*sse4_1_<maxmin><mode>3): Likewise.
4475         (*sse4_1_<maxmin><mode>3): Likewise.
4476         (add<mode>3): Removed.
4477         (*add<mode>3): Likewise.
4478         (<sse>_vmadd<mode>3): Likewise.
4479         (sub<mode>3): Likewise.
4480         (*sub<mode>3): Likewise.
4481         (<sse>_vmsub<mode>3): Likewise.
4482         (smin<mode>3): Likewise.
4483         (*smin<mode>3_finite): Likewise.
4484         (*smin<mode>3): Likewise.
4485         (<sse>_vmsmin<mode>3): Likewise.
4486         (smax<mode>3): Likewise.
4487         (*smax<mode>3_finite): Likewise.
4488         (*smax<mode>3): Likewise.
4489         (<sse>_vmsmax<mode>3): Likewise.
4490         (sse3_haddv4sf3): Likewise.
4491         (sse3_haddv2df3): Likewise.
4492         (sse3_hsubv4sf3): Likewise.
4493         (sse3_hsubv2df3): Likewise.
4494         (umaxv16qi3): Likewise.
4495         (*umaxv16qi3): Likewise.
4496         (smaxv8hi3): Likewise.
4497         (*smaxv8hi3): Likewise.
4498         (*sse4_1_smax<mode>3): Likewise.
4499         (*sse4_1_umax<mode>3): Likewise.
4500         (uminv16qi3): Likewise.
4501         (*uminv16qi3): Likewise.
4502         (sminv8hi3): Likewise.
4503         (*sminv8hi3): Likewise.
4504         (*sse4_1_smin<mode>3): Likewise.
4505         (*sse4_1_umin<mode>3): Likewise.
4506
4507 2008-04-01  Rafael Espindola  <espindola@google.com>
4508
4509         * tree-cfg.c (verify_expr): remove in_phi.
4510         (verify_stmt): Don't call walk_tree with verify_expr. Use
4511         is_gimple_min_invariant instead of is_gimple_val.
4512
4513 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4514
4515         * doc/include/gpl_v3.texi: Update for manpage generation.
4516         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4517         gpl.texi.
4518         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4519         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4520         gpl_v3.texi instead of gpl.texi.
4521         (gpl.pod): New.
4522
4523 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4524
4525         PR pch/13675
4526         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4527
4528 2008-04-01  Rafael Espindola  <espindola@google.com>
4529
4530         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4531         (extract_code_and_val_from_cond): Use
4532         extract_code_and_val_from_cond_with_ops.
4533
4534 2008-04-01  Jan Hubicka  <jh@suse.cz>
4535
4536         * function.c (free_after_compilation): Free epilogue_delay_list.
4537         (prepare_function_start): Assert that previous compilation was freed.
4538
4539 2008-04-01  Jan Hubicka  <jh@suse.cz>
4540             Jim Wilson  <wilson@tuliptree.org>
4541             Andreas Tobler <andreast@gcc.gnu.org>
4542
4543         PR middle-end/35781
4544         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4545         rtl.emit instead cfun->emit.
4546         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4547         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4548
4549 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4550
4551         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4552
4553 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4554
4555         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4556         New options
4557         (fprofile-use): Add var flag_profile_use
4558         * coverage.c (coverage_begin_output): Do not open a gcno file for
4559         output only if -ftest-coverage is set.
4560         Do not add getpwd() to gcda file path.
4561         (build_gcov_info): Check the new flag
4562         flag_profile_datafile_relative_path.
4563         (coverage_init): Use profile_data_prefix.
4564         Read profile counter only if flag_profile_use is set.
4565         * opts.c (common_handle_option): New option fprofile-use=,
4566         fprofile-dir=, fprofile-generate=.
4567         * toplev.c (profile_data_prefix): New variable definition.
4568         * toplev.h (profile_data_prefix): New declaration.
4569         * doc/invoke.tex (Option Summary, Optimization Options):
4570         Add new options.
4571
4572 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4573
4574         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4575         use tmp consistently.
4576
4577         PR target/35695
4578         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4579         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4580         UNSPEC_FR_RECIP_APPROX_RES.
4581         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4582
4583 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4584
4585         PR c/35750
4586         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4587
4588 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4589
4590         PR middle-end/30186
4591         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4592         element of the vector via a pointer.
4593
4594 2008-03-31  Ian Lance Taylor  <iant@google.com>
4595
4596         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4597
4598 2008-03-31  Jan Hubicka  <jh@suse.cz>
4599
4600         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4601         get_arg_pointer_save_area.
4602         * expr.c (init_expr): Just clear out rtl.expr.
4603         * function.c (free_after_compilation): Clear out whole RTL structure.
4604         (get_func_frame_size): Merge into ...
4605         (get_frame_size): ... this one.
4606         (assign_stack_local_1): Merge into ...
4607         (assign_stack_local): ... this one.
4608         (expand_function_end): Update call of get_arg_pointer_save_area.
4609         (get_art_pointer_save_area): Remove cfun argument.
4610         * function.h (emit_status): regno_pointer_align does not need length
4611         attribute. Move x_regno_reg_rtx to ...
4612         (regno_reg_rtx): ... new global array.
4613         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4614         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4615         apply_args_value, forced_labels, stack_pointer_delta):
4616         Update accestors.
4617         (struct varasm_status): Move here from varasm.c
4618         (struct rtl_data): New. Move here some fields from struct function.
4619         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4620         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4621         used_temp_slots avail_temp_slots, temp_slot_level,
4622         nonlocal_goto_handler_labels): Update accesstors.
4623         (rtl): New global variable.
4624         (struct function): Move some fileds to rtl_data.
4625         (get_arg_pointer_save_area): Update prototype.
4626         * emit-rtl.c (rtl): Declare.
4627         (regno_reg_rtx): Declare.
4628         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4629         Update.
4630         (gen_reg_rtx): Update.
4631         (init_virtual_regs): Do not tate emit_status argument.
4632         (init_emit): Do not allocate emit.
4633         * varasm.c (varasm_statuc): Move to function.h.
4634         (n_deferred_constatns): Update accestor.
4635         (init_varasm_status): Do not allocate varasm_status.
4636         (force_const_mem, get_pool_size, output_constant_pool): Update.
4637         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4638         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4639
4640 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4641
4642         PR rtl-optimization/35729
4643         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4644         references.
4645
4646 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4647
4648         PR target/32000
4649         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4650         load/store if memory is unaligned.
4651         (*movti_rex64): Likewise.
4652
4653         * config/i386/predicates.md (misaligned_operand): New.
4654
4655 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4656
4657         PR tree-opt/35431
4658         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4659         complex types.
4660
4661 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4662
4663         * config/ia64/constraints.md: Add 'j' constraint.
4664         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4665         (movdi_internal): Likewise.
4666
4667 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4668
4669         PR c/35748
4670         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4671
4672 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4673
4674         PR target/35757
4675         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4676         proper error message for the third argument on blendpd and
4677         blendps.
4678
4679         * config/i386/sse.md (blendbits): New.
4680         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4681
4682 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4683
4684         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4685
4686 2008-03-30  Richard Guenther  <rguenther@suse.de>
4687
4688         PR middle-end/31023
4689         * fold-const.c (fold_sign_changed_comparison): Do leave
4690         conversions to base-types alone.
4691
4692 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4693
4694         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4695         the link register if one altivec register is be saved.
4696
4697 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4698
4699         * final.c (final_scan_insn): Remove if (0) code.
4700
4701 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4702
4703         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4704
4705 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
4706
4707         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
4708         of V4SFmode to ix86_binary_operator_ok.
4709
4710 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
4711
4712         * config/i386/i386.c (override_options): Initialize
4713         ix86_veclib_handler to ix86_veclibabi_svml when
4714         -mveclibabi=svml is used.
4715         (ix86_veclibabi_svml): New function for SVML ABI style
4716         vectorization support.
4717         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
4718
4719 2008-03-28  Rafael Espindola  <espindola@google.com>
4720
4721         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4722         (tree_binary_nonnegative_warnv_p): Make it public.
4723         (tree_single_nonnegative_warnv_p): Make it public.
4724         (tree_invalid_nonnegative_warnv_p): Make it public.
4725         (tree_unary_nonzero_warnv_p): Make it public.
4726         (tree_binary_nonzero_warnv_p): Make it public
4727         (tree_single_nonzero_warnv_p): Make it public.
4728         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
4729         (extract_range_from_binary_expr): Split the expr argument.
4730         (extract_range_from_unary_expr): Split the expr argument.
4731         (extract_range_from_comparison): Split the expr argument.
4732         (extract_range_from_expr): Use the new aux functions.
4733         (vrp_evaluate_conditional_warnv): Use
4734         vrp_evaluate_conditional_warnv_with_ops.
4735         * tree.h (tree_unary_nonzero_warnv_p): Declare.
4736         (tree_binary_nonzero_warnv_p): Declare.
4737         (tree_single_nonzero_warnv_p): Declare.
4738         (tree_expr_nonzero_warnv_p): Declare.
4739         (tree_unary_nonnegative_warnv_p): Declare.
4740         (tree_binary_nonnegative_warnv_p): Declare.
4741         (tree_single_nonnegative_warnv_p): Declare.
4742         (tree_invalid_nonnegative_warnv_p): Declare.
4743
4744 2008-03-28  Richard Guenther  <rguenther@suse.de>
4745
4746         PR tree-optimization/30317
4747         PR tree-optimization/30911
4748         PR tree-optimization/34793
4749         * tree-vrp.c (set_and_canonicalize_value_range): New function.
4750         (struct assert_locus_d): New member EXPR.
4751         (register_new_assert_for): Add EXPR parameter to support
4752         ASSERT_EXPR <name, expr OP limit>.
4753         (register_edge_assert_for_1): Adjust callers.
4754         (find_assert_locations): Likewise.
4755         (process_assert_insertions_for): Build condition from expression.
4756         (extract_range_from_assert): Handle ASSERT_EXPRs
4757         of the form ASSERT_EXPR <name, expr OP limit>.
4758         (register_edge_assert_for_2): New helper registering
4759         asserts for comparisons.  Recognize range tests of the form
4760         (unsigned)i - CST1 OP CST2.
4761         (register_edge_assert_for_1): Use it.
4762         (register_edge_assert_for): Likewise.
4763         (needs_overflow_infinity): Integer sub-types
4764         do not need overflow infinities.
4765         (vrp_val_is_max): The extreme values of integer sub-types
4766         are those of the base type.
4767         (vrp_val_is_min): Likewise.
4768         * tree.def (ASSERT_EXPR): Document extra allowed conditional
4769         expressions.
4770
4771 2008-03-28  Nick Clifton  <nickc@redhat.com>
4772
4773         PR target/31110
4774         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4775         Return GENERAL_REGS for stack adjustment reloads.
4776
4777 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4778
4779         PR target/31334
4780         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
4781         const_vector when all the vectors are constant.
4782
4783 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
4784
4785         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
4786         comparisons.
4787         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
4788         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
4789         (scc_sf): New.
4790         (s<code>_sf): Use new scc_sf attribute for opcode names.
4791
4792 2008-03-27  Tom Tromey  <tromey@redhat.com>
4793
4794         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
4795         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
4796         config/spu/t-spu-elf, config/i386/t-interix,
4797         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
4798         config/i386/x-darwin, config/i386/x-mingw32,
4799         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
4800         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
4801         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
4802         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
4803         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
4804         config/rs6000/x-darwin, config/rs6000/t-rs6000,
4805         config/score/t-score-elf, config/arm/t-strongarm-pe,
4806         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
4807         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
4808         Revert automatic dependency patch.
4809
4810 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4811
4812         PR target/35657
4813         * config/i386/i386.c (ix86_function_arg_boundary): Align
4814         decimal floating point to its natural boundary.
4815
4816 2008-03-27  Richard Guenther  <rguenther@suse.de>
4817
4818         PR middle-end/35716
4819         * fold-const.c (fold_comparison): Restrict distinct decl
4820         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
4821         solely rely on operand_equal_p.
4822
4823 2008-03-27  Richard Guenther  <rguenther@suse.de>
4824
4825         PR c/32511
4826         * c-common.c (handle_weak_attribute): Reject combination of
4827         weak and inline.
4828
4829 2008-03-27  Richard Guenther  <rguenther@suse.de>
4830
4831         PR tree-optimization/32810
4832         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
4833         conversions from DECL_INITIAL.
4834         (fold_const_aggregate_ref): Likewise from constructor elements.
4835
4836 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
4837
4838         * tree-affine.h (aff_combination_expand): Declare.
4839         (get_inner_reference_aff): Likewise.
4840         * tree-affine.c (aff_combination_expand): Split out from
4841         tree_to_aff_combination_expand.
4842         (get_inner_reference_aff): New function.
4843         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
4844         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
4845         (struct lim_aux_data): sm_done field removed.
4846         (mem_ref_loc_p, mem_ref_locs_p): New types.
4847         (struct mem_ref): Added id, stored, accesses_in_loop,
4848         indep_loop, dep_loop, indep_ref, dep_ref fields.
4849         Removed is_stored, locs and next fields.
4850         (memory_accesses): New variable.
4851         (movement_possibility): Do not allow moving statements
4852         that store to memory.
4853         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
4854         New functions.
4855         (determine_max_movement): For statements with memory references,
4856         find the outermost loop in that the reference is independent.
4857         (move_computations_stmt): Mark the virtual operands for renaming.
4858         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
4859         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
4860         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
4861         add_vop_ref_mapping, create_vop_ref_mapping_loop,
4862         create_vop_ref_mapping, analyze_memory_references,
4863         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
4864         get_all_locs_in_loop, ref_always_accessed_p,
4865         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
4866         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
4867         store_motion_loop, store_motion): New functions.
4868         (struct vop_to_refs_elt): New type.
4869         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
4870         memref_hash, memref_eq, hoist_memory_references): Rewritten.
4871         (schedule_sm): Replaced by...
4872         (execute_sm): ... this.
4873         (determine_lsm_ref, hoist_memory_references,
4874         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
4875         find_more_ref_vops, free_mem_ref, free_mem_refs,
4876         determine_lsm_loop, determine_lsm): Removed.
4877         (tree_ssa_lim_finalize): Free data structures used by store motion.
4878         (tree_ssa_lim): Call analyze_memory_references.  Use
4879         store_motion instead of determine_lsm.
4880
4881 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4882
4883         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
4884         rename tmake_file to m68hc11/t-m68hc11.
4885         (mcore): Set inhibit_libc to true.
4886         * config.host (alpha*-dec-*vms*): Set extra_programs.
4887         (interix3*): Don't use host_xmake_file.
4888         * configure.ac: Let config.gcc override inhibit_libc.
4889         * configure: Regenerate.
4890
4891         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
4892         * config/t-openbsd-thread: Remove commented out lines.
4893
4894         * config/x-interix: Remove.
4895
4896         * config/m68hc11/t-m68hc11-gas: Rename to...
4897         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
4898
4899         * config/mcore/t-mcore: Remove T_CFLAGS.
4900         * config/mcore/t-mcore-pe: Likewise.
4901
4902 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4903
4904         * configure.ac: Replace custom __GNU_SOURCE test with
4905         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
4906         * aclocal.m4: Regenerate.
4907         * configure: Regenerate.
4908         * config.in: Regenerate.
4909
4910 2008-03-27  Richard Guenther  <rguenther@suse.de>
4911
4912         * fold-const.c (target.h): Include.
4913         (fold_comparison): Fold comparison of addresses of decls
4914         that bind locally or of constants.  Consolidate address folding code.
4915         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
4916         results from fold_binary_to_constant.
4917         (compare_values_warnv): Likewise.
4918
4919 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
4920
4921         PR middle-end/35429
4922         * fold-const.c (fold_truthop): Check for integeral types when folding
4923         a == 0 && b == 0 and a != 0 || b != 0 .
4924
4925 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
4926
4927         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
4928
4929 2008-03-26  Andreas Schwab  <schwab@suse.de>
4930
4931         * doc/invoke.texi: Fix use of @item vs. @itemx.
4932
4933 2008-03-26  Tom Tromey  <tromey@redhat.com>
4934
4935         * Makefile.in (build/gensupport.o, build/print-rtl.o,
4936         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
4937         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
4938         build/gencodes.o, build/genconditions.o, build/genconfig.o,
4939         build/genconstants.o, build/genemit.o, build/genextract.o,
4940         build/genflags.o, build/genmddeps.o, build/genopinit.o,
4941         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
4942         options.h.
4943
4944 2008-03-26  Richard Guenther  <rguenther@suse.de>
4945
4946         Revert
4947         2008-03-26  Richard Guenther  <rguenther@suse.de>
4948
4949         * fold-const.c (target.h): Include.
4950         (fold_comparison): Fold comparison of addresses of two decls
4951         that bind locally.  Consolidate address folding code.
4952
4953 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4954
4955         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
4956         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
4957         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
4958         dconstsqrt2, dconstthird, dconste and/or dconst10.
4959         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
4960         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
4961         dconstsqrt2, dconste): Delete.
4962         (init_emit_once): Likewise.  Simplify initializing dconstm1.
4963         Constify variable.
4964         * real.c (get_real_const): New.
4965         * real.h (dconst3, dconst10, dconstm2, dconstthird,
4966         dconstsqrt2, dconste): Delete.
4967         (real_value_const, get_real_const): New.
4968
4969 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
4970
4971         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
4972
4973         * config/i386/i386.c (ix86_function_arg_boundary): Check
4974         BIGGEST_ALIGNMENT instead of 128.
4975         (setup_incoming_varargs_64): Likewise.
4976
4977 2008-03-26  Tom Tromey  <tromey@redhat.com>
4978
4979         * Makefile.in (DEPFILES): Add missing '/'.
4980
4981 2008-03-26  Richard Guenther  <rguenther@suse.de>
4982
4983         * fold-const.c (target.h): Include.
4984         (fold_comparison): Fold comparison of addresses of two decls
4985         that bind locally.  Consolidate address folding code.
4986
4987 2008-03-26  Nick Clifton  <nickc@redhat.com>
4988
4989         PR target/31232
4990         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
4991         not allow INT+INT as a legitimate addressing mode.
4992
4993 2008-03-26  Richard Guenther  <rguenther@suse.de>
4994
4995         * tree-flow.h (widen_bitfield): Remove declaration.
4996         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
4997         (widen_bitfield): Remove function.
4998         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
4999         code.
5000
5001 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5002
5003         PR target/31558
5004         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5005         error_mark_node's.
5006
5007 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5008
5009         PR rtl-optimization/35232
5010         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5011         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5012         reg_reloaded_call_part_clobbered here.
5013         (reload_regs_reach_end_p): New function.
5014         (reload_reg_rtx_for_input): New variable.
5015         (reload_reg_rtx_for_output): Likewise.
5016         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5017         when reassigning a pseudo register.  Load reloadreg from
5018         reload_reg_rtx_for_input, moving the mode and register
5019         calculation to...
5020         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5021         instead of the original when deciding whether an input reload
5022         would be a no-op or whether an output reload can be deleted.
5023         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5024         when setting up new_spill_reg_store.  Load it from
5025         reload_reg_rtx_for_output, moving the mode and register
5026         calculation to...
5027         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5028         instead of the original when deciding whether an output reload
5029         would be a no-op.  Do the same when modifying insn notes.
5030         Use rtx_equal_p instead of == to compare the registers.
5031         (inherit_piecemeal_p): Take a mode and two register numbers
5032         as argument.
5033         (emit_reload_insns): Clear new_spill_reg_store for every hard
5034         register in the reload register.  Remove spill registers
5035         from reg_reloaded_valid before considering whether to record
5036         inheritance information for them.  Use reload_reg_rtx_for_output
5037         instead of reg_rtx when recording output reloads.  Use
5038         reload_reg_rtx_for_input instead of reg_rtx when recording
5039         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5040         at the same time as setting reg_reloaded_valid.
5041         (delete_output_reload): Add a new_reload_reg parameter and use it
5042         instead of rld[j].reg_rtx.
5043         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5044         calls accordingly.
5045
5046 2008-03-25  Tom Tromey  <tromey@redhat.com>
5047
5048         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5049         (build/genattr.o): Likewise.
5050         (build/genattrtab.o): Likewise.
5051         (build/gencodes.o): Likewise.
5052         (build/genconfig.o): Likewise.
5053         (build/genconstants.o): Likewise.
5054         (build/genemit.o): Likewise.
5055         (build/genextract.o): Likewise.
5056         (build/genflags.o): Likewise.
5057
5058 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5059
5060         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5061         instead of size_int for integer types.
5062         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5063         to match type of MINUS_EXPR.
5064
5065 2008-03-25  Tom Tromey  <tromey@redhat.com>
5066
5067         * configure: Rebuilt.
5068         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5069         Makefile.
5070
5071 2008-03-25  Tom Tromey  <tromey@redhat.com>
5072
5073         * config/x-solaris (host-solaris.o): Update.
5074         * config/x-linux (host-linux.o): Update.
5075         * config/x-hpux (host-hpux.o): Update.
5076         * config/x-darwin (host-darwin.o): Update.
5077         * config/v850/t-v850e (v850-c.o): Update.
5078         * config/v850/t-v850 (v850-c.o): Update.
5079         * config/t-vxworks (vxworks.o): Update.
5080         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5081         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5082         * config/spu/t-spu-elf (spu-c.o): Update.
5083         (spu.o): Remove.
5084         * config/sh/t-symbian (sh-c.o): Update.
5085         (symbian.o): Update.
5086         * config/sh/t-sh (sh-c.o): Update.
5087         * config/score/t-score-elf (score7.o, score3.o): Update.
5088         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5089         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5090         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5091         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5092         (rs6000.o): Remove.
5093         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5094         * config/m32c/t-m32c (m32c-pragma.o): Update.
5095         * config/ia64/t-ia64 (ia64-c.o): Update.
5096         * config/i386/x-mingw32 (host-mingw32.o): Update.
5097         * config/i386/x-i386 (driver-i386.o): Update.
5098         * config/i386/x-darwin (host-i386-darwin.o): Update.
5099         * config/i386/x-cygwin (host-cygwin.o): Update.
5100         * config/i386/t-nwld (nwld.o): Update.
5101         * config/i386/t-netware (netware.o): Update.
5102         * config/i386/t-interix (winnt.o): Update.
5103         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5104         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5105         msformat-c.o): Update.
5106         * config/bfin/t-bfin-linux (generated_files): Add
5107         linux-sysroot-suffix.h.
5108         * config/arm/t-wince-pe (pe.o): Update.
5109         * config/arm/t-strongarm-pe (pe.o): Update.
5110         * config/arm/t-pe (pe.o): Update.
5111         * config/arm/t-arm (arm-c.o): Update.
5112         * doc/install.texi (Prerequisites): Require make 3.80.
5113         * Makefile.in: Remove .o targets.
5114         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5115         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5116         (simple_generated_h, simple_generated_c): Move earlier.
5117         (generated_files): New variable.
5118         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5119         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5120         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5121         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5122         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5123         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5124         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5125         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5126         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5127         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5128         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5129         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5130         (.c.o): Remove.
5131         (COMPILE.base, COMPILE): New variables.
5132         (%.o): New pattern rule.
5133         (ALL_HOST_OBJS): New variable.
5134         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5135         (dummy-checksum.o, cc1-checksum.o): Remove.
5136         (DRIVER_SHLIB): New variable.
5137         (DRIVER_DEFINES): Use it.
5138         (gencondmd.c): Move out of build/.
5139         (s-conditions): Update.
5140         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5141         (ALL_BUILD_OBJS): Likewise.
5142         (build/%.o): Use BUILDCOMPILE.
5143         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5144         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5145         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5146         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5147         build/genconfig.o, build/genconstants.o, build/genemit.o,
5148         build/genextract.o, build/genflags.o, build/genmddeps.o,
5149         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5150         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5151         build/gen-protos.o, build/scan.o, build/fix-header.o,
5152         build/scan-decls.o): Simplify.
5153         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5154         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5155         prefix.o, toplev.o): Reduce to variable setting.
5156         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5157         ($(out_object_file), gcc-options.o): New targets.
5158         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5159         * configure: Rebuilt.
5160         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5161         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5162
5163 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5164
5165         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5166         complain when we hit an error, return ERROR_MARK_NODE.
5167
5168 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5169
5170         * config/sh/constraints.md (Pso, Psz): New constraints.
5171         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5172         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5173
5174 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5175
5176         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5177         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5178
5179 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5180
5181         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5182         (prefetch_sh2a): New.
5183
5184 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5185             Naveen.H.S  <naveen.hs@kpitcummins.com>
5186
5187         * config/sh/constraints.md (I28): New constraint.
5188         * config/sh/sh.c (broken_move): Add support for movi20s.
5189         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5190
5191 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5192             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5193             Naveen.H.S  <naveen.hs@kpitcummins.com>
5194
5195         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5196         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5197         (print_operand): Handle resbank in %@ operand code.
5198         (sh_encode_section_info): New.
5199         (push_regs): Add conditions for resbank.
5200         (sh_expand_epilogue): Likewise.
5201         (sh_insert_attributes): Likewise.
5202         (sh_attribute_table): Likewise.
5203         (sh_handle_resbank_handler_attribute): New.
5204         (sh2a_handle_function_vector_handler_attribute): New.
5205         (sh2a_is_function_vector_call): New.
5206         (sh2a_get_function_vector_number): New.
5207         (sh2a_function_vector_p): New.
5208         (sh_cfun_resbank_handler_p): New.
5209         * config/sh/sh.md (calli): Emit jsr/n if possible.
5210         (calli_tbr_rel): New.
5211         (calli_pcrel): Emit jsr/n if possible.
5212         (return_i): Emit rts/n if possible.
5213         (call_valuei_tbr_rel): New.
5214         (call_valuei_pcrel): Add condition for SH2A target.
5215         (call_value): Likewise.
5216         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5217         (sh2a_get_function_vector_number): Likewise.
5218         (sh2a_is_function_vector_call): Likewise.
5219         * doc/extend.texi: Document TBR relative addressing of SH2A.
5220         (resbank): Add description for SH2A.
5221
5222 2008-03-24  Richard Guenther  <rguenther@suse.de>
5223
5224         PR c/22371
5225         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5226         pointer assignments change conversions according to middle-end rules.
5227         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5228         * configure.ac: Include type checking in yes.
5229         * configure: Regenerate.
5230
5231 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5232
5233         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5234         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5235
5236 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5237
5238         * gthr-vxworks.h (UNUSED): Define.
5239
5240 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5241
5242         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5243
5244 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5245
5246         * doc/extend.texi (Function Attributes): Add missing comma in the
5247         example of the "alloc_size" attribute.
5248
5249 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5250
5251         Revert:
5252         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5253
5254         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5255         32bit host.
5256
5257         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5258
5259         PR target/35496
5260         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5261         of the underlying type of a MS bitfield layout to the natural
5262         alignment of the type.
5263
5264         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5265
5266         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5267         to their natural alignment to avoid store forwarding stalls.
5268
5269 2008-03-22  Richard Guenther  <rguenther@suse.de>
5270
5271         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5272         For PHI nodes verify the address is invariant.
5273         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5274         (get_symbol_constant_value): Use is_gimple_min_invariant.
5275         (maybe_fold_stmt_indirect): Likewise.
5276
5277 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5278
5279         PR rtl-optimization/33927
5280         * Makefile.in (dse.o): Depend on $(TM_P_H).
5281         * expr.h (extract_low_bits): Declare.
5282         * expmed.c (extract_low_bits): New function.
5283         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5284         * dse.c: Include tm_p.h.
5285         (find_shift_sequence): Remove the read_reg argument and return the
5286         read value.  Emit the instructions instead of returning them.
5287         Iterate on new_mode rather than calculating it each time.
5288         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5289         source to NEW_MODE and extract_low_bits to convert the shifted
5290         value to READ_MODE.
5291         (replace_read): Allow the load and store to have different mode
5292         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5293         or extraction instructions before trying the replacement.  Update
5294         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5295
5296 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5297
5298         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5299         to their natural alignment to avoid store forwarding stalls.
5300
5301 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5302
5303         PR target/27946
5304         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5305         encouraging but not allowing gprs for input;
5306         change the input constraint to !f#r.
5307         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5308         gprs for output;
5309         change the output constraint to !f#r.
5310
5311 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5312
5313         PR target/13958
5314         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5315         corresponding post-reload splitters.
5316         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5317         when x87 FP math is selected.
5318         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5319         New function prototype.
5320         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5321         unreachable function to ease macroization of insn patterns.
5322
5323 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5324
5325         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5326         reference dumps if ddr is NULL or dependence is unknown.
5327
5328 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5329
5330         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5331         unsigned extension into account.
5332         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5333         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5334         Do computations on a scratch register.
5335
5336 2008-03-21  Richard Guenther  <rguenther@suse.de>
5337
5338         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5339         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5340         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5341         * tree-ssa-dom.c (record_equality): Likewise.
5342         * tree-inline.c (copy_body_r): Likewise.
5343         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5344         TREE_INVARIANT.
5345
5346 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5347
5348         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5349         as 'delete_unused' argument.
5350
5351 2008-03-20  Richard Guenther  <rguenther@suse.de>
5352
5353         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5354         special casing of constant qualifiers.
5355         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5356         care about them in general.
5357         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5358         regardless of their type.
5359         (fold_stmt_r): Forcefully fold *& if we end up with that.
5360
5361 2008-03-20  Paul Brook  <paul@codesourcery.com>
5362
5363         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5364         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5365         linker flags.
5366         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5367         definition.
5368         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5369         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5370
5371 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5372
5373         * common.opt (Wmudflap): New option.
5374         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5375         (mx_register_decls): Likewise.
5376         (mudflap_finish_file): Likewise.
5377         * doc/invoke.texi: Document -Wno-mudflap.
5378
5379 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5380
5381         * c-format.c (replace_format_name_to_system_name): New.
5382         (cmp_attribs): New.
5383         (convert_format_name_to_system_name): New.
5384         (decode_format_attr): Add use of convert_format_name_to_system_name.
5385         (format_types_orig): Add gnu_ prefix to names.
5386         (check_format_info_main): Special treating of \0 escaped names for
5387         supporting multi-character format specifiers as I32, I64.
5388         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5389         (gnu_target_overrides_format_attributes): New.
5390         * c-format.h: Add structure target_ovr_attr to hold
5391         system specific formatter names.
5392         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5393         msformat-c.o file to c_target_objs and cxx_target_objs.
5394         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5395         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5396         (TARGET_N_FORMAT_TYPES): New.
5397         * config/i386/msformat-c.c: New.
5398         * config/i386/t-cygming: Add build rule for msformat-c.o.
5399         * doc/extend.texi: Add new format names gnu_* and ms_* and
5400         further details.
5401         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5402
5403 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5404
5405         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5406         optimizations turned on under -O3.
5407         (ftree-vectorize): Add that the flag is turned on with -O3.
5408
5409 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5410
5411         * regmove.c (try_auto_increment): Fix spelling error in comment.
5412         * final.c (final_scan_insn): Likewise.
5413
5414 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5415
5416         PR target/14552
5417         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5418         allocator preferences for "y" and "r" class registers.
5419         ("*mov<mode>_internal"): Ditto.
5420         ("*movv2sf_internal_rex64"): Ditto.
5421         ("*movv2sf_internal"): Ditto.
5422
5423 2008-03-19  Michael Matz  <matz@suse.de>
5424
5425         PR middle-end/35616
5426         * calls.c (expand_call): Check overlap of arguments with call
5427         address for sibcalls.
5428
5429 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5430
5431         PR target/35496
5432         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5433         of the underlying type of a MS bitfield layout to the natural
5434         alignment of the type.
5435
5436 2008-03-19  Jan Hubicka  <jh@suse.cz>
5437
5438         PR other/35094
5439         * toplev.c (decode_d_option): Handle all CPP flags.
5440         * tree-vrp.c: Update tree_pass descriptors.
5441         * regrename.c: Update tree_pass descriptors.
5442         * fwprop.c: Update tree_pass descriptors.
5443         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5444         * tree-into-ssa.c: Update tree_pass descriptors.
5445         * tree-dump.c: Update tree_pass descriptors.
5446         * tree-complex.c: Update tree_pass descriptors.
5447         * tree-dump.h: Update tree_pass descriptors.
5448         * see.c: Update tree_pass descriptors.
5449         * cgraphbuild.c: Update tree_pass descriptors.
5450         * tracer.c: Update tree_pass descriptors.
5451         * tree-loop-distribution.c: Update tree_pass descriptors.
5452         * cgraph.c: Update tree_pass descriptors.
5453         * postreload-gcse.c: Update tree_pass descriptors.
5454         * postreload.c: Update tree_pass descriptors.
5455         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5456         * tree-tailcall.c: Update tree_pass descriptors.
5457         * tree-pass.h (tree_opt_pass): Rename to ...
5458         (opt_pass) ... this one; add "type" field and remove letter field.
5459         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5460         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5461         all_lowering_passes): Update declaration.
5462         * ipa-cp.c: Update tree_pass descriptors.
5463         * final.c: Update tree_pass descriptors.
5464         * omp-low.c: Update tree_pass descriptors.
5465         * tree-ssa-dse.c: Update tree_pass descriptors.
5466         * ipa-reference.c: Update tree_pass descriptors.
5467         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5468         * auto-inc-dec.c: Update tree_pass descriptors.
5469         * reorg.c: Update tree_pass descriptors.
5470         * cgraphunit.c: Update tree_pass descriptors.
5471         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5472         * tree-ssa-ccp.c: Update tree_pass descriptors.
5473         * df-core.c: Update tree_pass descriptors.
5474         * mode-switching.c: Update tree_pass descriptors.
5475         * tree-nomudflap.c: Update tree_pass descriptors.
5476         * modulo-sched.c: Update tree_pass descriptors.
5477         * ipa-pure-const.c: Update tree_pass descriptors.
5478         * cse.c: Update tree_pass descriptors.
5479         * web.c: Update tree_pass descriptors.
5480         * tree-stdarg.c: Update tree_pass descriptors.
5481         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5482         * tree-ssa-dom.c: Update tree_pass descriptors.
5483         * tree-nrv.c: Update tree_pass descriptors.
5484         * tree-ssa-alias.c: Update tree_pass descriptors.
5485         * loop-init.c: Update tree_pass descriptors.
5486         * gimple-low.c: Update tree_pass descriptors.
5487         * ipa-inline.c: Update tree_pass descriptors.
5488         * tree-ssa-sink.c: Update tree_pass descriptors.
5489         * global.c: Update tree_pass descriptors.
5490         * ifcvt.c: Update tree_pass descriptors.
5491         * jump.c: Update tree_pass descriptors.
5492         * predict.c: Update tree_pass descriptors.
5493         * tree-ssa-loop.c: Update tree_pass descriptors.
5494         * recog.c: Update tree_pass descriptors.
5495         * dse.c: Update tree_pass descriptors.
5496         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5497         * tree-eh.c: Update tree_pass descriptors.
5498         * regmove.c: Update tree_pass descriptors.
5499         * local-alloc.c
5500         * function.c: Update tree_pass descriptors.
5501         * tree-vectorizer.c: Update tree_pass descriptors.
5502         * gcse.c: Update tree_pass descriptors.
5503         * ipa-type-escape.c: Update tree_pass descriptors.
5504         * tree-if-conv.c: Update tree_pass descriptors.
5505         * init-regs.c: Update tree_pass descriptors.
5506         * ipa.c: Update tree_pass descriptors.
5507         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5508         * rtl-factoring.c: Update tree_pass descriptors.
5509         * lower-subreg.c: Update tree_pass descriptors.
5510         * bt-load.c: Update tree_pass descriptors.
5511         * tree-dfa.c: Update tree_pass descriptors.
5512         * except.c: Update tree_pass descriptors.
5513         * emit-rtl.c: Update tree_pass descriptors.
5514         * cfgexpand.c: Update tree_pass descriptors.
5515         * tree-cfgcleanup.c: Update tree_pass descriptors.
5516         * cfgcleanup.c: Update tree_pass descriptors.
5517         * tree-ssa-pre.c: Update tree_pass descriptors.
5518         * tree-sra.c: Update tree_pass descriptors.
5519         * tree-mudflap.c: Update tree_pass descriptors.
5520         * tree-ssa-copy.c: Update tree_pass descriptors.
5521         * cfglayout.c: Update tree_pass descriptors.
5522         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5523         * tree-ssa-dce.c: Update tree_pass descriptors.
5524         * tree-ssa.c: Update tree_pass descriptors.
5525         * regclass.c: Update tree_pass descriptors.
5526         * integrate.c: Update tree_pass descriptors.
5527         * tree-optimize.c: Update tree_pass descriptors.
5528         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5529         * tree-object-size.c: Update tree_pass descriptors.
5530         * combine.c: Update tree_pass descriptors.
5531         * tree-outof-ssa.c: Update tree_pass descriptors.
5532         * bb-reorder.c: Update tree_pass descriptors.
5533         * stack-ptr-mod.c: Update tree_pass descriptors.
5534         * var-tracking.c: Update tree_pass descriptors.
5535         * tree-profile.c: Update tree_pass descriptors.
5536         * tree-vect-generic.c: Update tree_pass descriptors.
5537         * reg-stack.c: Update tree_pass descriptors.
5538         * sched-rgn.c: Update tree_pass descriptors.
5539         * tree-ssa-structalias.c: Update tree_pass descriptors.
5540         * tree-cfg.c: Update tree_pass descriptors.
5541         * passes.c (current_pass): Update declaration.
5542         (finish_optimization_passes): Update.
5543         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5544         (register_one_dump_file, register_dump_files_1, next_pass_1):
5545         Update arguments.
5546         (init_optimization_passes): Update handling of new types.
5547         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5548         * ipa-struct-reorg.c: Update tree_pass descriptors.
5549         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5550         * combine-stack-adj.c: Update tree_pass descriptors.
5551         * cfgrtl.c: Update tree_pass descriptors.
5552         * dce.c: Update tree_pass descriptors.
5553         * tree-ssanames.c: Update tree_pass descriptors.
5554
5555 2008-03-19  Richard Guenther  <rguenther@suse.de>
5556
5557         PR middle-end/35609
5558         * tree-ssa.c (walk_data): New structure.
5559         (warn_uninitialized_var): If not always_executed warn with "maybe"
5560         instead of "is".
5561         (execute_early_warn_uninitialized): Compute post-dominators.
5562         Initialize always_executed before processing each basic block.
5563
5564 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5565
5566         PR target/35504
5567         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5568         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5569
5570 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5571
5572         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5573
5574 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5575
5576         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5577         is true.
5578         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5579         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5580         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5581         target after ignore has been set, and move there also the commputation
5582         of subtarget and original_target.
5583         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5584         (LANG_HOOKS_INITIALIZER): Remove it.
5585         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5586
5587 2008-03-18  Richard Guenther  <rguenther@suse.de>
5588
5589         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5590         found an expression with constants, note that in the VN for the lhs.
5591         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5592         fold them to constants if possible.  Run cleanup_cfg if done so.
5593         (execute_pre): Return todo.
5594         (do_pre): Likewise.
5595         (execute_fre): Likewise.
5596         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5597         of constants.
5598         (get_prop_source_stmt): Look through pointer conversions.
5599
5600 2008-03-18  Jan Hubicka  <jh@suse.cz>
5601
5602         * tree-pretty-print.c: Include predict.h.
5603         (dump_generic_node): Dump predictor.
5604         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5605         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5606         * gimple-low.c (lower_stmt): Likewise.
5607         * expr.c (expand_expr_real): Likewise.
5608         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5609         them.
5610         (build_predict_expr, build_predict_expr): New.
5611         * predict.h (predictor_name, build_predict_expr): Update.
5612         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5613         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5614         * predict.def (PRED_CONTINUE): Update hitrate.
5615         * tree.def (PREDICT_EXPR): Define.
5616         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5617         do not handle BIND_EXPR.
5618         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5619         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5620         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5621         operands.
5622
5623 2008-03-18  Michael Matz  <matz@suse.de>
5624
5625         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5626
5627 2008-03-18  Richard Guenther  <rguenther@suse.de>
5628
5629         * tree-gimple.h (is_gimple_invariant_address): Declare.
5630         (is_gimple_constant): Likewise.
5631         * tree-gimple.c (is_gimple_constant): New function.
5632         (is_gimple_invariant_address): Likewise.
5633         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5634         and is_gimple_invariant_address.
5635         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5636         previous change.
5637         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5638         an addressable base.
5639
5640 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5641
5642         PR middle-end/35611
5643         * gimplify.c (gimplify_expr): Gimplify second operand of
5644         OMP_ATOMIC_LOAD.
5645
5646 2008-03-17  Richard Guenther  <rguenther@suse.de>
5647
5648         PR tree-optimization/19637
5649         * fold-const.c (fold_unary): Remove restrictions of removing
5650         intermediate pointer-conversions (P2)(P1)P0.
5651         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5652         conversion to void pointer.
5653         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5654
5655 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5656
5657         PR debug/31510
5658         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5659         emulated thread local variables.
5660
5661 2008-03-16  Richard Guenther  <rguenther@suse.de>
5662
5663         PR middle-end/35607
5664         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5665         expand TREE_INVARIANT operations that are not gimple invariant.
5666
5667 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5668
5669         * doc/extend.texi (Alignment): Say that the ABI controls
5670         the __alignof__ for non-strict-alignment targets rather
5671         than being a recommendation.
5672
5673 2008-03-15  Paul Brook  <paul@codesourcery.com>
5674
5675         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5676         annotations.
5677         (arm_output_fn_unwind): Mark functions that can not be unwound.
5678
5679 2008-03-15  Paul Brook  <paul@codesourcery.com>
5680
5681         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5682         extension instructions.
5683
5684 2008-03-15  Richard Guenther  <rguenther@suse.de>
5685
5686         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5687         and fold constant aggregate refs.
5688         (fold_const_aggregate_ref): Handle string constants
5689         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5690         (evaluate_stmt): Simplify now that ccp_fold folds constant
5691         aggregate refs.
5692
5693 2008-03-15  Paul Brook  <paul@codesourcery.com>
5694
5695         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5696         (extzv): Use gen_extzv_t2.
5697         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5698
5699 2008-03-15  Richard Guenther  <rguenther@suse.de>
5700
5701         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5702         (fold_const_aggregate_ref): Likewise.
5703         (get_value): Return NULL if we don't have any values.
5704         (ccp_finalize): Set const_val to NULL after freeing it.
5705         * tree-flow.h (get_symbol_constant_value): Declare.
5706         (fold_const_aggregate_ref): Likewise.
5707         * tree-ssa-sccvn.c (try_to_simplify): Use them.
5708
5709 2008-03-15  Richard Guenther  <rguenther@suse.de>
5710
5711         PR middle-end/35593
5712         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
5713         to not produce negative array indices if not allowed.  Add
5714         parameter to indicate that.
5715         (maybe_fold_offset_to_component_ref): Allow negative array
5716         indices only for the first member of a structure.
5717         (maybe_fold_offset_to_reference): Allow negative array indices.
5718         (maybe_fold_stmt_addition): Likewise.
5719
5720 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
5721             Anatoly Sokolov <aesok@post.ru>
5722
5723         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
5724         (avr_arch): Add ARCH_AVR6.
5725         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
5726         (initial_elimination_offset): Initialize and use 'avr_pc_size'
5727         instead of fixed value 2.
5728         (print_operand_address): Use gs() asm specifier instead of pm().
5729         (avr_assemble_integer): (Ditto.).
5730         (avr_output_addr_vec_elt): (Ditto.).
5731         (print_operand): Handle "!" code.
5732         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
5733         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
5734         (AVR_HAVE_EIJMP_EICALL): Define.
5735         (AVR_3_BYTE_PC): Redefine.
5736         (AVR_2_BYTE_PC): (Ditto.).
5737         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
5738         (LINK_SPEC): Add atmega2560 and atmega2561.
5739         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
5740         (crtm2561.o).
5741         * config/avr/avr.md (call_insn): Use eicall instead of icall
5742         for 3 byte PC devices.
5743         (call_value_insn): (Ditto.).
5744         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
5745         (indirect_jump): Use only for for 2 byte PC devices.
5746         (*tablejump): (Ditto.).
5747         (*indirect_jump_avr6): Add insn.
5748         (*tablejump_rjmp): Don't use for 3 byte PC devices.
5749         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
5750         instead of ijmp for 3 byte PC devices.
5751         (__tablejump2__): (Ditto.).
5752         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
5753         (MULITLIB_DIRNAMES): (Ditto.).
5754         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
5755
5756 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
5757
5758         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
5759         "sse2_umulsidi3".  Use V1DI mode for operand 0.
5760         ("mmx_psadbw"): Use V1DI mode for operand 0.
5761         * config/i386/i386-modes.def (V1SI): New vector mode.
5762         * config/i386/i386.c (struct builtin_description)
5763         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
5764         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
5765         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
5766         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
5767         v1di_ftype_v8qi_v8qi type.
5768         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
5769
5770         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
5771         __builtin_ia32_pmuludq]: Fix the mode of return value.
5772
5773 2008-03-15  Richard Guenther  <rguenther@suse.de>
5774
5775         PR middle-end/35595
5776         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
5777         being a PHI_NODE.
5778
5779 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
5780
5781         * doc/invoke.texi (Option Summary, Xtensa Options): Document
5782         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5783         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
5784         unless TARGET_SERIALIZE_VOLATILE is enabled.
5785         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
5786         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
5787         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
5788
5789 2008-03-14  Richard Guenther  <rguenther@suse.de>
5790
5791         PR tree-optimization/34172
5792         * tree-flow.h (refs_may_alias_p): Declare.
5793         (get_single_def_stmt): Likewise.
5794         (get_single_def_stmt_from_phi): Likewise.
5795         (get_single_def_stmt_with_phi): Likewise.
5796         * tree-dfa.c (refs_may_alias_p): New function.
5797         (get_single_def_stmt): Likewise.
5798         (get_single_def_stmt_from_phi): Likewise.
5799         (get_single_def_stmt_with_phi): Likewise.
5800         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
5801         (vn_reference_lookup_1): New helper function.
5802         (vn_reference_lookup): Walk the virtual use-def chain to
5803         continue searching for a match if the def does not alias the
5804         reference we are looking for.
5805
5806 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
5807
5808         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
5809         archive and Perzl.  Update The Written Word listing.
5810
5811 2008-03-14  Richard Guenther  <rguenther@suse.de>
5812
5813         PR tree-optimization/34043
5814         PR tree-optimization/33989
5815         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
5816         when doing FRE.
5817         (bitmap_find_leader): Use extra argument to verify dominance
5818         relationship inside a basic-block.
5819         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
5820         (find_leader_in_sets): Adjust.
5821         (create_component_ref_by_pieces): Take extra argument for
5822         dominance check, handle lookup failures.
5823         (find_or_generate_expression): Likewise.
5824         (create_expression_by_pieces): Likewise.
5825         (insert_into_preds_of_block): Adjust.
5826         (create_value_expr_from): If asked for, verify all operands
5827         are in the blocks AVAIL_OUT set.
5828         (make_values_for_stmt): Check for SSA_NAMEs that are life
5829         over an abnormal edge.
5830         (compute_avail): Remove such check.
5831         (do_SCCVN_insertion): New function.
5832         (eliminate): If we do not find a leader suitable for replacement
5833         insert a replacement expression from SCCVN if available.
5834         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
5835         (struct vn_ssa_aux): Add needs_insertion flag.
5836         * tree-ssa-sccvn.c (may_insert): New global flag.
5837         (copy_reference_ops_from_ref): Value-number union member access
5838         based on its size, not type and member if insertion is allowed.
5839         (visit_reference_op_load): For a weak match from union type
5840         punning lookup a view-converted value and insert a SSA_NAME
5841         for that value if that is not found.
5842         (visit_use): Make dumps shorter.  Do not disallow value numbering
5843         SSA_NAMEs that are life over an abnormal edge to constants.
5844         (free_scc_vn): Release inserted SSA_NAMEs.
5845         (run_scc_vn): New flag to specify whether insertion is allowed.
5846         Process SSA_NAMEs in forward order.
5847         * tree-ssa-loop-im.c (for_each_index): Handle invariant
5848         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
5849         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
5850         pointer type to/from integral types that do not change the
5851         precision to regular conversions.
5852
5853 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5854
5855         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
5856         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
5857         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
5858         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
5859         input arguments and the mode of return value.  Built-in functions
5860         that operate on whole 64-bit MMX register now use V1DI mode.
5861
5862 2008-03-13  Alon Dayan  <alond@il.ibm.com>
5863             Olga Golovanevsky  <olga@il.ibm.com>
5864
5865         PR tree-optimization/35041
5866         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
5867         to locate the right position in a statement.
5868
5869 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5870
5871         PR target/34000
5872         PR target/35553
5873         * config/i386/xmmintrin.h:  Change all static inline functions to
5874         extern inline and add __gnu_inline__ attribute.
5875         * config/i386/bmintrin.h: Ditto.
5876         * config/i386/smmintrin.h: Ditto.
5877         * config/i386/tmmintrin.h: Ditto.
5878         * config/i386/mmintrin-common.h: Ditto.
5879         * config/i386/ammintrin.h: Ditto.
5880         * config/i386/emmintrin.h: Ditto.
5881         * config/i386/pmmintrin.h: Ditto.
5882         * config/i386/mmintrin.h: Ditto.
5883         * config/i386/mm3dnow.h: Ditto.
5884
5885 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
5886
5887         PR middle-end/35185
5888         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
5889         (lower_omp_2): New function.
5890         (lower_omp_1, lower_omp): Rewritten.
5891
5892 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
5893
5894         PR 35054
5895         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
5896         with the phrase "Microsoft Windows compilers".
5897         (Push/Pop Macro Pragmas): New subsection. Document
5898         #pragma push_macro and pragma pop_macro.
5899
5900 2008-03-12  Paul Brook  <paul@codesourcery.com>
5901
5902         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
5903
5904 2008-03-12  Paul Brook  <paul@codesourcery.com>
5905
5906         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
5907         (thumb2_alusi3_short): Exclude PLUS and MINUS.
5908         (thumb2_addsi_shortim): Rename ...
5909         (thumb2_addsi_short): ... to this.  Allow register operands.
5910         (thumb2_subsi_short): New pattern.
5911         (thumb2_one_cmplsi2_short,
5912         thumb2_negsi2_short): New patterns and peepholes.
5913
5914 2008-03-12  Paul Brook  <paul@codesourcery.com>
5915
5916         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
5917
5918 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
5919
5920         * config/i386/i386.md (int_cond): New code iterator.
5921         (fp_cond): Ditto.
5922         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
5923         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
5924         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
5925         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
5926         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
5927         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
5928         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
5929         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
5930
5931 2008-03-12  Paul Brook  <paul@codesourcery.com>
5932
5933         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
5934         instead of {arm,thumb}_compute_save_reg_mask.
5935         (output_return_instruction): Ditto.
5936         (thumb_unexpanded_epilogue): Ditto.
5937         (thumb1_expand_prologue): Ditto.
5938         (thumb1_output_function_prologue): Ditto.
5939         (arm_set_return_address): Ditto.
5940         (thumb_set_return_address): Ditto.
5941         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
5942         regs to achieve stack alignment.
5943         (thumb1_compute_save_reg_mask): Fix compiler warning.
5944         (arm_output_epilogue): Use offsets->saved_regs_mask.
5945         Adjust stack pointer by poping call clobered registers.
5946         (arm_expand_prologue): Use offsets->saved_regs_mask.
5947         Adjust stack pointer by pushing extra registers.
5948         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
5949
5950 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
5951
5952         PR tree-opt/35422
5953         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
5954         conversion to the operands of a multiplication.
5955
5956 2008-03-12  Richard Guenther  <rguenther@suse.de>
5957
5958         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
5959         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
5960         * timevar.def (TV_TREE_PHIPROP): Add.
5961         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
5962         pass description.  Use TV_TREE_PHIPROP.
5963         * tree-ssa-forwprop.c: Remove phiprop code.
5964
5965 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
5966
5967         PR middle-end/35549
5968         * omp-low.c (maybe_lookup_decl): Constify first argument.
5969         (use_pointer_for_field): Change last argument from bool to
5970         omp_context *.  Disallow shared copy-in/out in nested
5971         parallel if decl is shared in outer parallel too.
5972         (build_outer_var_ref, scan_sharing_clauses,
5973         lower_rec_input_clauses, lower_copyprivate_clauses,
5974         lower_send_clauses, lower_send_shared_vars): Adjust callers.
5975
5976 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
5977             Ira Rosen  <irar@il.ibm.com>
5978
5979         * tree-vectorizer.c (free_stmt_vec_info): New function.
5980         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
5981         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
5982         * tree-vectorizer.h (free_stmt_vec_info): Declare.
5983         * tree-vect-transform.c (vectorizable_conversion): Free
5984         vec_oprnds0 if it was allocated.
5985         (vect_permute_store_chain): Remove unused VECs.
5986         (vectorizable_store): Free VECs that are allocated in the..
5987         function.
5988         (vect_transform_strided_load, vectorizable_load): Likewise.
5989         (vect_remove_stores): Simplify the code.
5990         (vect_transform_loop): Move code to vect_remove_stores().
5991         Call vect_remove_stores() and free_stmt_vec_info().
5992
5993 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5994
5995         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
5996         TARGET_HPUX.  Revise comment.
5997         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
5998         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
5999         Use sr4 variant of `be' instruction when not generating PIC code.
6000         (attr_length_call): Adjust for above change.
6001
6002 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6003
6004         * ipa-reference.c (static_execute): Remove module_statics_const and
6005         associated setting code.
6006
6007 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6008
6009         PR target/35540
6010         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6011         predicate for operand 1.
6012         (paritysi2_cmp): Use register_operand predicate for operand 2.
6013         Use earlyclobber modifier for operand 1.  Remove support for
6014         memory operands.
6015         (paritydi2_cmp): Use register_operand predicate for operand 3.
6016         Use earlyclobber modifier for operand 1.  Remove support for
6017         memory operands.
6018
6019 2008-03-11  Paul Brook  <paul@codesourcery.com>
6020             Vladimir Prus  <vladimir@codesourcery.com>
6021
6022         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6023         (arm_compute_save_reg0_reg12_mask): Always
6024         check if register 11 must be saved.  Always safe hard frame pointer
6025         when frame_pointer_needeed.
6026         (arm_compute_save_reg_mask): Save IP and PC
6027         only with apcs frames.
6028         (arm_output_epilogue): Adjust Thumb2 codepath to
6029         be also invoked and work for ARM non-apcs frames.
6030         (arm_expand_prologue): Don't bother saving IP
6031         for non-apcs frame, since it's not clobbered by
6032         prologue code.  Implement non-apcs frame
6033         layout.
6034
6035 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6036
6037         PR rtl-optimization/35281
6038         * expr.c (convert_move): Use a new pseudo for the intermediate
6039         from_mode->word_mode result.
6040
6041 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6042
6043         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6044         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6045         * toplev.c (compile_file): Don't call it.
6046
6047 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6048
6049         PR middle-end/35526
6050         * expr.c (store_expr): Call emit_block_move if the mode
6051         of "temp" RTX is BLKmode.
6052
6053 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6054             Richard Guenther  <rguenther@suse.de>
6055
6056         PR tree-optimization/31358
6057         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6058         the step with a NULL_TREE.
6059         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6060         to sizetype if type is a pointer type.
6061         (add_candidate_1): Don't convert the base and step to
6062         the generic type if the orginal type is a pointer type.
6063         (add_iv_value_candidates): Use sizetype for the step
6064         if type is a pointer type.
6065         (cand_value_at): Likewise.
6066         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6067         for pointer types.
6068         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6069         Don't convert the tem affine to the type.
6070         (add_elt_to_tree): Use sizetype for the step if a pointer.
6071         Use POINTER_PLUS_EXPR for pointers.
6072         (aff_combination_to_tree): Use sizetype for the step if a
6073         pointer.
6074
6075 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6076
6077         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6078         Remove commutativity hint.
6079
6080 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6081
6082         PR c/35438
6083         PR c/35439
6084         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6085         errorneous type.  Check that v is a VAR_DECL.
6086
6087         PR middle-end/35099
6088         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6089
6090 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6091
6092         PR tree-optimization/35494
6093         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6094         may be overriden at link and run time.
6095
6096 2008-03-10  Richard Guenther  <rguenther@suse.de>
6097
6098         PR tree-optimization/34677
6099         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6100         (poolify_tree): Likewise.
6101         (modify_expr_template): Likewise.
6102         (poolify_modify_stmt): Likewise.
6103         (insert_fake_stores): Handle all component-ref style stores
6104         in addition to INDIRECT_REF.  Also handle complex types.
6105         Do not poolify the inserted load.
6106         (realify_fake_stores): Do not rebuild the tree but only
6107         make it a SSA_NAME copy.
6108         (init_pre): Remove initialzation of modify_expr_template.
6109         Do not allocate modify_expr_node_pool.
6110         (fini_pre): Do not free modify_expr_node_pool.
6111
6112 2008-03-10  Paul Brook  <paul@codesourcery.com>
6113
6114         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6115         to avoid conflicts.
6116
6117 2008-03-10  Paul Brook  <paul@codesourcery.com>
6118             Mark Shinwell  <shinwell@codesourcery.com>
6119
6120         * config/arm/cortex-r4.md: New.
6121         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6122         insn attributes.
6123         * config/arm/arm.md: Include cortex-r4.md.
6124         (insn): Add smmls, sdiv and udiv values.
6125         (generic_sched): Don't use generic scheduling for Cortex-R4.
6126         (arm_issue_rate): New function.
6127         (TARGET_SCHED_ISSUE_RATE): Define.
6128
6129 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6130
6131         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6132
6133 2008-03-10  Richard Guenther  <rguenther@suse.de>
6134
6135         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6136         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6137
6138 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6139
6140         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6141         Set default to true.
6142
6143 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6144
6145         * c.opt (Wsynth): Deprecate.
6146         * doc/invoke.texi (Option Summary, Warning Options): Document
6147         -Wno-format-contains-nul.
6148
6149 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6150
6151         PR target/35496
6152         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6153         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6154
6155 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6156
6157         * config/rs6000/rs6000.c (builtin_description): Rename vector
6158         left shift operations.
6159         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6160         (altivec_vsl<VI_char>): Rename to ...
6161         (ashl<mode>3): ... new name.
6162         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6163         gen_ashlv4si3.
6164         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6165
6166 2008-03-08  Richard Guenther  <rguenther@suse.de>
6167
6168         * coverage.h (tree_coverage_counter_addr): Declare.
6169         * coverage.c (tree_coverage_counter_addr): New function.
6170         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6171         before using again.
6172         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6173         (tree_gen_one_value_profiler): Likewise.
6174         (tree_gen_ic_profiler): Likewise.
6175         (tree_gen_average_profiler): Likewise.
6176         (tree_gen_ior_profiler): Likewise.
6177
6178 2008-03-08  Richard Guenther  <rguenther@suse.de>
6179
6180         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6181         (vn_binary_op_insert): Likewise.
6182         (vn_unary_op_lookup): Likewise.
6183         (vn_unary_op_insert): Likewise.
6184         (vn_nary_op_lookup): Declare.
6185         (vn_nary_op_insert): Likewise.
6186         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6187         and binary hashes, use a single obstack for unary_op_pool
6188         and binary_op_pool.
6189         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6190         a single struct vn_nary_op_s.  Store tree code length and
6191         a variable number of operands.
6192         (struct vn_reference_op_struct): Remove unused op2.
6193         (vn_reference_op_eq): Do not compare op2.
6194         (vn_reference_op_compute_hash): Do not compute hash of op2.
6195         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6196         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6197         with vn_nary_op_compute_hash.
6198         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6199         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6200         vn_nary_op_lookup.
6201         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6202         vn_nary_op_insert.
6203         (visit_unary_op): Call nary functions.
6204         (visit_binary_op): Likewise.
6205         (process_scc): Adjust for struct vn_tables_s changes.
6206         (allocate_vn_table): Likewise.
6207         (free_vn_table): Likewise.
6208         * tree-vn.c (vn_add): Call nary functions.
6209         (vn_lookup): Likewise.
6210
6211 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6212
6213         PR target/35498
6214         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6215         wdst back after sync_compare_and_swapqhi_internal.
6216
6217 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6218
6219         PR target/22152
6220         * config/i386/i386-modes.def (V1DI): New vector mode.
6221         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6222         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6223         (MMXMODE248): Ditto.
6224         (MMXMODE): Add V1DI mode.
6225         (mmxvecsize): Change DI mode to V1DI mode.
6226         ("mov<mode>): Use MMXMODEI8 mode iterator.
6227         ("*mov<mode>_internal_rex64"): Ditto.
6228         ("*mov<mode>_internal"): Ditto.
6229         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6230         ("mmx_sub<mode>3"): Ditto.
6231         ("mmx_adddi3"): Remove insn pattern.
6232         ("mmx_subdi3"): Ditto.
6233         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6234         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6235         ("mmx_ashl<mode>3"): Ditto.
6236         ("mmx_lshrdi3"): Remove insn pattern.
6237         ("mmx_ashldi3"): Ditto.
6238         * config/i386/i386.c (classify_argument): Handle V1DImode.
6239         (function_arg_advance_32): Ditto.
6240         (function_arg_32): Ditto.
6241         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6242         mmx_addv1di3 insn pattern.
6243         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6244         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6245         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6246         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6247         Remove definitions of built-in functions.
6248         (V1DI_type_node): New node.
6249         (v1di_ftype_v1di_int): Ditto.
6250         (v1di_ftype_v1di_v1di): Ditto.
6251         (v2si_ftype_v2si_si): Ditto.
6252         (v4hi_ftype_v4hi_di): Remove node.
6253         (v2si_ftype_v2si_di): Ditto.
6254         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6255         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6256         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6257         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6258         Add new builtins using def_builtin_const.
6259         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6260         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6261         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6262         * config/i386/mmintrin.h (__v1di): New typedef.
6263         (_mm_add_si64): Cast arguments to __v1di type.
6264         (_mm_sub_si64): Ditto.
6265         (_mm_sll_pi16): Cast __count to __v4hi type.
6266         (_mm_sll_pi32): Cast __count to __v2si type.
6267         (_mm_sll_si64): Cast arguments to __v1di type.
6268         (_mm_srl_pi16): Cast __count to __v4hi type.
6269         (_mm_srl_pi32): Cast __count to __v2si type.
6270         (_mm_srl_si64): Cast arguments to __v1di type.
6271         (_mm_sra_pi16): Cast __count to __v4hi type.
6272         (_mm_sra_pi32): Cast __count to __v2si type.
6273         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6274         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6275         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6276         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6277         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6278         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6279         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6280         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6281         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6282         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6283         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6284         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6285
6286 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6287
6288         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6289
6290 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6291
6292         PR target/35373
6293         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6294         reg+const addressing for Altivec modes.  Don't generate reg+reg
6295         addressing for TFmode or TDmode quantities.
6296
6297 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6298
6299         * c-common.c (vector_types_convertible_p): Call langhook
6300         instead of comptypes.
6301
6302 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6303
6304         PR tree-opt/35402
6305         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6306         integral and scalar float variables which have a
6307         NULL DECL_INITIAL.
6308
6309 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6310
6311         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6312         dwarf_register_span hook when emitting unwind information for
6313         register-to-memory saves.
6314         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6315         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6316
6317 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6318
6319         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6320         for the same VAR_DECL.
6321
6322 2008-03-06  Tom Tromey  <tromey@redhat.com>
6323
6324         * treelang: Delete.
6325         * doc/standards.texi (Standards): Don't mention treelang.
6326         * doc/invoke.texi (Overall Options): Don't mention treelang.
6327         * doc/install.texi (Prerequisites): Don't mention bison or
6328         treelang.
6329         (Configuration): Don't mention treelang.
6330         (Building): Likewise.
6331         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6332
6333 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6334
6335         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6336         word-extractions out of a multi-word object.
6337
6338 2008-03-06  Richard Guenther  <rguenther@suse.de>
6339
6340         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6341         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6342         result type and precision.
6343         * expr.c (get_inner_reference): Set unsignedp based on the result
6344         type of BIT_FIELD_REF.
6345         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6346         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6347         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6348         for BIT_FIELD_REF.
6349         (sra_build_assignment): Likewise.
6350         (sra_build_elt_assignment): Likewise.
6351         (sra_explode_bitfield_assignment): Likewise.
6352         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6353         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6354         set BIT_FIELD_REF_UNSIGNED.
6355         (vectorizable_load): Likewise.
6356
6357 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6358
6359         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6360         at bb start.
6361
6362 2008-03-06  Richard Guenther  <rguenther@suse.de>
6363
6364         * alias.c (struct alias_set_entry): Move has_zero_child field
6365         to pack with alias_set.
6366
6367 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6368
6369         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6370         32bit host.
6371
6372 2008-03-05  Ian Lance Taylor  <iant@google.com>
6373
6374         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6375
6376 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6377
6378         * fwprop.c (update_df): Support width and offset parameters of
6379         df_ref_create.
6380         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6381         global_conflicts): Change DF_REF_EXTRACT to either
6382         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6383         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6384         * df-scan.c (df_ref_record, df_defs_record,
6385         df_ref_create_structure, df_def_record_1, df_uses_record,
6386         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6387         df_bb_refs_collect, df_entry_block_defs_collect,
6388         df_exit_block_uses_collect): Support new width and offset fields.
6389         (ref_extract_pool): New storage pool.
6390         (df_free_ref): New function.
6391         (df_reg_chain_unlink, df_free_collection_rec,
6392         df_sort_and_compress_refs): Call df_free_ref.
6393         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6394         of df_ref_extract.
6395         (df_ref_create_structure): Allocate df_ref_extract if offset and
6396         width fields are used.
6397         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6398         (df_uses_record): Get offset and width from ZERO_EXTRACT
6399         and SIGN_EXTRACT.
6400         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6401         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6402         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6403         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6404         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6405         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6406         (df_ref_extract): New structure.
6407         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6408         (df_ref_create): Add width and offset parameters.
6409
6410 2008-03-05  Richard Guenther  <rguenther@suse.de>
6411
6412         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6413         Use ranges_overlap_p.
6414         (offset_overlaps_with_access): Rename
6415         to ranges_overlap_p and move ...
6416         * tree-flow-inline.h (ranges_overlap_p): ... here.
6417
6418         * tree.h (get_inner_reference, handled_component_p): Update
6419         comments.
6420
6421         * tree.h (record_component_aliases, get_alias_set,
6422         alias_sets_conflict_p, alias_sets_must_conflict_p,
6423         objects_must_conflict_p): Move declarations ...
6424         * alias.h (record_component_aliases, get_alias_set,
6425         alias_sets_conflict_p, alias_sets_must_conflict_p,
6426         objects_must_conflict_p): ... here.
6427         Include coretypes.h.
6428         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6429
6430 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6431
6432         * cfg.c: Include tree-flow.h.
6433         (remove_edge_raw): Call redirect_edge_var_map_clear.
6434         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6435         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6436         (redirect_edge_var_map_result): New.
6437         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6438         PENDING_STMT use with redirect_edge_var_map_*.
6439         * tree-ssa.c (edge_var_maps): New definition.
6440         (redirect_edge_var_map_add): New.
6441         (redirect_edge_var_map_clear): New.
6442         (redirect_edge_var_map_dup): New.
6443         (redirect_edge_var_map_vector): New.
6444         (redirect_edge_var_map_destroy): New.
6445         (ssa_redirect_edge): Replace PENDING_STMT use with
6446         redirect_edge_var_map_*.
6447         (flush_pending_stmts): Same.
6448         (delete_tree_ssa): Destroy edge var map.
6449         * tree-flow.h (struct _edge_var_map): New.
6450         Define edge_var_map vector type.
6451         Declare redirect_edge_var_map_* prototypes.
6452         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6453         * tree-cfg.c (reinstall_phi_args): Replace
6454         PENDING_STMT use with redirect_edge_var_map_*.
6455
6456 2008-03-05  Richard Guenther  <rguenther@suse.de>
6457
6458         PR tree-optimization/35472
6459         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6460         whose single use_stmt has a overlapping set of loaded and
6461         stored symbols as that use_stmt might be a noop assignment then.
6462
6463 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6464
6465         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6466
6467 2008-03-05  Richard Guenther  <rguenther@suse.de>
6468
6469         PR c++/35336
6470         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6471         should be constants.
6472         * tree-cfg.c (verify_expr): Verify it.
6473         * fold-const.c (fold_truthop): Remove code generating
6474         BIT_FIELD_REFs of structure bases.
6475         (fold_binary): Likewise.
6476         (fold_ternary): Position and size of BIT_FIELD_REFs are
6477         always host integers.
6478         (make_bit_field_ref): Remove.
6479         (optimize_bit_field_compare): Remove.
6480         (all_ones_mask_p): Remove.
6481
6482 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6483
6484         PR gcc/33009
6485         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6486         (split_block_and_df_analyze): New. Split basic block and rebuild
6487         dataflow.
6488         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6489         SPLIT_BLOCK.
6490         (split_pattern_seq): Likewise.
6491         (erase_matching_seqs): Likewise.
6492         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6493
6494 2008-03-04  Geoff Keating  <geoffk@apple.com>
6495
6496         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6497         declaration and code.
6498         (tree_invalid_nonnegative_warnv_p): Likewise.
6499
6500 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6501
6502         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6503         examples.  Truncate option-names then causing overfull hbox.
6504
6505 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6506
6507         PR target/35222
6508         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6509         on hpux10.
6510         * configure: Rebuilt.
6511
6512 2008-03-04  Rafael Espindola  <espindola@google.com>
6513
6514         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6515         (tree_unary_nonnegative_warnv_p): New.
6516         (tree_binary_nonnegative_warnv_p): New.
6517         (tree_single_nonnegative_warnv_p): New.
6518         (tree_invalid_nonnegative_warnv_p): New.
6519         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6520
6521 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6522
6523         PR 28322
6524         * opts.c (handle_option): Postpone 'unknown option' errors only for
6525         warning options.
6526
6527 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6528
6529         PR target/35453
6530         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6531         (_SIDD_XXX): This.
6532
6533 2008-03-04  Rafael Espindola  <espindola@google.com>
6534
6535         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6536         (tree_binary_nonzero_warnv_p): New.
6537         (tree_single_nonzero_warnv_p): New.
6538         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6539
6540 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6541
6542         PR middle-end/35456
6543         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6544         transformations for modes that have signed zeros.
6545         * ifcvt.c (noce_try_abs): Ditto.
6546
6547 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6548
6549         * config/i386/i386.c (override_options): Force
6550         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6551
6552 2008-03-04  Jan Hubicka  <jh@suse.cz>
6553
6554         PR c++/35262
6555         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6556         in last commit.
6557
6558 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6559
6560         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6561         label to probe the stack.
6562
6563 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6564
6565         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6566         (__gthr_win32_mutex_destroy): Declare.
6567         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6568         __gthr_win32_mutex_destroy.
6569         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6570
6571 2008-03-03  Jan Hubicka  <jh@suse.cz>
6572
6573         PR c++/35262
6574         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6575         aggressive on inlining cold calls.
6576
6577 2008-03-03  Richard Guenther  <rguenther@suse.de>
6578
6579         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6580         struct copies into the expression table.
6581         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6582         (try_to_simplify): Likewise.
6583         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6584         integral and pointer arguments which do not change the
6585         precision to NOP_EXPRs.
6586         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6587         VIEW_CONVERT_EXPR case.
6588
6589 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6590
6591         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6592         defined in a loop at depth 0 is invariant.
6593         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6594         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6595         be called at loop depth 0.
6596
6597 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6598
6599         PR driver/35420
6600         * gcc.c (process_command): Update copyright notice dates.
6601         * gcov.c (print_version): Likewise.
6602         * gcov-dump.c (print_version): Likewise.
6603         * mips-tfile.c (main): Likewise.
6604         * mips-tdump.c (main): Likewise.
6605
6606 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6607
6608         PR 24924
6609         * c-common.c (flag_permissive): Delete.
6610         (constant_expression_warnings): Check flags first.
6611         (constant_expression_error): New.
6612         * c-common.h (flag_permissive): Delete.
6613         (constant_expression_error): Declare.
6614         * flags.h (flag_permissive): Declare. Update description.
6615         * diagnostic.c (pedwarn): Update.
6616         (permerror): New.
6617         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6618         (permissive_error_kind): New.
6619         * toplev.c (flag_permissive): Define. Update description.
6620         * toplev.h (permissive_error_kind): Declare.
6621         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6622         (pedwarn_c90): Use pedantic_warning_kind.
6623         * c-opts.c (c_common_post_options): flag_permissive does not affect
6624         flag_pedantic_errors.
6625
6626 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6627
6628         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6629         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6630         __absvsi2, __absvDI2): Use unsigned arithmetic.
6631
6632 2008-03-02  Andi Kleen  <ak@suse.de>
6633             Richard Guenther  <rguenther@suse.de>
6634
6635         * struct-equiv.c: Remove file.
6636         * cfg_cleanup.c (condjump_equiv_p): Remove.
6637         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6638         (struct-equiv.o): Remove rule.
6639         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6640         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
6641         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6642
6643 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6644
6645         * ifcvt.c (noce_process_if_block): Try to handle only the then
6646         block if the else block exists but isn't suitable.
6647
6648 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6649
6650         PR gcc/35063
6651         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6652         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6653         regression from previous patch.
6654
6655 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6656
6657         PR gcc/35063
6658         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6659         implemented.
6660         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6661         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6662         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6663         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6664         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6665         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6666         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6667         (__gthread_mutex_destroy_function): Rename to
6668         __gthread_mutex_destroy.
6669         * gthr-dce.h (__gthread_mutex_destroy): Call
6670         pthread_mutex_destroy.
6671         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6672         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6673         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6674
6675 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6676
6677         * df-scan.c (df_ref_chain_change_bb): Simplify.
6678         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6679         set_block_for_insn if there's any change.
6680         * df.h ((df_insn_change_bb): Fix prototype.
6681         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6682         df_insn_change_bb, don't call set_block_for_insn.
6683         * emit-rtl.c (reorder_insns): Likewise.
6684         * haifa-sched.c (move_insn): Likewise.
6685
6686 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6687
6688         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6689
6690 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6691
6692         * tree-flow-inline.h (next_readonly_imm_use): Return
6693         NULL_USE_OPERAND_P after the end.
6694
6695 2008-03-01  Richard Guenther  <rguenther@suse.de>
6696
6697         PR tree-optimization/35411
6698         * tree-sra.c (sra_build_assignment): Split conversion to
6699         final type to a separate statement if we are not assigning
6700         to a register.
6701
6702 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6703
6704         * fold-const.c (fold_convertible_p): Correct the logic to follow
6705         that in fold_convert().
6706
6707 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
6708
6709         PR c++/35315
6710         * tree-inline.c (build_duplicate_type): When we make a
6711         duplicate type, make it unique in the canonical types system.
6712
6713 2008-02-29  Tom Tromey  <tromey@redhat.com>
6714
6715         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
6716         input_file_stack_history, input_file_stack_restored): Remove.
6717         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6718         * input.h (struct file_stack): Remove.
6719         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6720         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
6721         Likewise.
6722         * diagnostic.h (struct diagnostic_context) <last_module>: Change
6723         type.
6724         (diagnostic_last_module_changed): Add 'map' argument.
6725         (diagnostic_set_last_function): Likewise.
6726         * diagnostic.c (undiagnostic_report_current_module): Iterate using
6727         line map, not input_file_stack.
6728         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
6729
6730 2008-02-29  Paul Brook  <paul@codesourcery.com>
6731
6732         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
6733
6734 2008-02-29  Paul Brook  <paul@codesourcery.com>
6735
6736         * config/arm/ieee754-df.S (muldf3): Use RET macros.
6737
6738 2008-02-29  Richard Guenther  <rguenther@suse.de>
6739
6740         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
6741         vn_lookup_or_add.
6742         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
6743         value for comparing for a store match.
6744         (simplify_unary_expression): Do nothing for SSA_NAMEs.
6745         (try_to_simplify): Do not do a full-blown reference lookup.
6746
6747 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6748
6749         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
6750         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6751
6752         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
6753
6754 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
6755
6756         * tree-loop-linear.c (try_interchange_loops): Compare memory access
6757         strides against cache sizes.
6758
6759 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6760
6761         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
6762         constant to fpul.
6763
6764 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
6765
6766         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
6767         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
6768         is smaller than the original promoted value.
6769         (simplify_subreg): If OP is a SUBREG, try to preserve its
6770         SUBREG_PROMOTED_VAR_P information.
6771
6772 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
6773
6774         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
6775         (VN_INFO_GET): Allocate new objects on the obstack.
6776         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6777         for rpo_numbers_temp, for consistency.
6778         (free_scc_vn): Free the obstack.
6779
6780 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
6781
6782         * doc/invoke.texi: Document -ftree-loop-distribution.
6783         * tree-loop-distribution.c: New.
6784         * tree-pass.h (pass_loop_distribution): New.
6785         * graphds.h (struct graph): Add htab_t indices.
6786         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6787         * tree-vectorizer.c (rename_variables_in_loop): Extern.
6788         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
6789         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6790         * tree-data-ref.c (debug_data_dependence_relations): New.
6791         (dump_data_dependence_relation): Also print data references.
6792         (free_data_ref): Extern.
6793         (same_access_functions): Moved...
6794         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6795         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6796         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6797         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
6798         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
6799         (stmts_from_loop): Skip LABEL_EXPR.
6800         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
6801         New.
6802         (build_rdg): Initialize rdg->indices htab.
6803         (free_rdg, stores_from_loop, ref_base_address,
6804         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6805         have_similar_memory_accesses_1, ref_base_address_1,
6806         remove_similar_memory_refs): New.
6807         * tree-data-ref.h: Depend on tree-chrec.h.
6808         (debug_data_dependence_relations, free_data_ref): Declared.
6809         (same_access_functions): ... here.
6810         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
6811         New.
6812         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
6813         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
6814         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
6815         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6816         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6817         rdg_vertex_for_stmt): Declared.
6818         (struct rdg_edge): Add level.
6819         (RDGE_LEVEL): New.
6820         (free_rdg, stores_from_loop, remove_similar_memory_refs,
6821         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
6822         Declared.
6823         (rdg_has_similar_memory_accesses): New.
6824         * tree-vect-analyze.c: Remove unused static decls.
6825         * lambda.h (dependence_level): New.
6826         * common.opt (ftree-loop-distribution): New.
6827         * tree-flow.h (mark_virtual_ops_in_bb,
6828         slpeel_tree_duplicate_loop_to_edge_cfg,
6829         rename_variables_in_loop): Declared.
6830         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
6831         (OBJS-common): Add tree-loop-distribution.o.
6832         (tree-loop-distribution.o): New rule.
6833         * tree-cfg.c (mark_virtual_ops_in_bb): New.
6834         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6835         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
6836
6837 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
6838
6839         PR target/33963
6840         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
6841         other than structures and unions.
6842
6843 2008-02-28  Richard Guenther  <rguenther@suse.de>
6844
6845         Revert:
6846         2008-02-26  Richard Guenther  <rguenther@suse.de>
6847
6848         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
6849         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
6850         (lookup_decl_from_uid): Declare.
6851         (remove_decl_from_map): Likewise.
6852         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
6853         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
6854         (decl_for_uid_map): New global hashtable mapping DECL_UID
6855         to the decl tree.
6856         (init_ttree): Allocate it.
6857         (insert_decl_to_uid_decl_map): New helper function.
6858         (make_node_stat): Insert new decls into the map.
6859         (copy_node_stat): Likewise.
6860         (lookup_decl_from_uid): New function.
6861         (remove_decl_from_map): Likewise.
6862         (print_decl_for_uid_map_statistics): New helper.
6863         (dump_tree_statistics): Call it.
6864
6865         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
6866         (referenced_var_iterator): Adjust.
6867         (FOR_EACH_REFERENCED_VAR): Adjust.
6868         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
6869         (num_referenced_vars): Adjust.
6870         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
6871         (first_referenced_var): Remove.
6872         (end_referenced_vars_p): Likewise.
6873         (next_referenced_var): Likewise.
6874         (referenced_var_iterator_set): New helper function.
6875         * tree-dfa.c (referenced_var_lookup): Adjust.
6876         (referenced_var_check_and_insert): Likewise.
6877         (remove_referenced_var): Likewise.
6878         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
6879         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6880         (verify_call_clobbering): Likewise.
6881         (verify_memory_partitions): Likewise.
6882         (init_tree_ssa): Allocate bitmap instead of hashtable for
6883         referenced_vars.
6884         (delete_tree_ssa): Adjust.
6885         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
6886         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6887         (compute_tag_properties): Likewise.
6888         (set_initial_properties): Likewise.
6889         (find_partition_for): Likewise.
6890         (update_reference_counts): Likewise.
6891         (dump_may_aliases_for): Likewise.
6892         * tree-ssa-operands.c (add_virtual_operand): Likewise.
6893         (add_call_clobber_ops): Likewise.
6894         (add_call_read_ops): Likewise.
6895         (get_asm_expr_operands): Likewise.
6896         * tree-into-ssa.c (dump_decl_set): Likewise.
6897         (update_ssa): Likewise.
6898         * tree-sra.c (scan_function): Likewise.
6899         (decide_instantiations): Likewise.
6900         (scalarize_parms): Likewise.
6901         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
6902         (dsa_named_for): Likewise.
6903         * tree-ssa-structalias.c (update_alias_info): Likewise.
6904         (merge_smts_into): Likewise.
6905
6906 2008-02-27  David Daney  <ddaney@avtrex.com>
6907
6908         PR target/34409
6909         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
6910         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
6911         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
6912         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
6913         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
6914
6915 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
6916
6917         PR target/25477
6918         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
6919         (BUILT_IN_NEXTTOWARD): Remove.
6920         (BUILT_IN_NEXTTOWARDF): Ditto.
6921         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
6922         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
6923
6924 2008-02-27  Tom Tromey  <tromey@redhat.com>
6925
6926         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
6927         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
6928
6929 2008-02-27  Jan Beulich  <jbeulich@novell.com>
6930
6931         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
6932         update the respective field on newdecl.
6933
6934 2008-02-27  Revital Eres  <eres@il.ibm.com>
6935
6936         PR rtl-optimization/34999
6937         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
6938         crossing edges that ends with a call insn.
6939         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
6940         call insn and clear the EDGE_CROSSING flag of the crossing edge
6941         when fixing fallthru edges.
6942
6943 2008-02-27  Richard Guenther  <rguenther@suse.de>
6944
6945         PR middle-end/35390
6946         * fold-const.c (fold_unary): Return the correct argument,
6947         converted to the result type.
6948
6949 2008-02-27  Richard Guenther  <rguenther@suse.de>
6950
6951         PR middle-end/34971
6952         * expr.c (expand_expr_real_1): Assert on rotates that operate
6953         on partial modes.
6954         * fold-const.c (fold_binary): Use the types precision, not the
6955         bitsize of the mode if folding rotate expressions.  Build rotates
6956         only for full modes.
6957
6958 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
6959
6960         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
6961         and CPP_PRAGMA_EOL.
6962         * c-pragma.c (pragma_ns_name): New typedef.
6963         (registered_pp_pragmas): New variable.
6964         (c_pp_lookup_pragma): New function.
6965         (c_register_pragma_1): If flag_preprocess_only, do nothing
6966         for non-expanded pragmas, for expanded ones push pragma's
6967         namespace and name into registered_pp_pragmas vector.
6968         (c_invoke_pragma_handler): Register OpenMP pragmas even when
6969         flag_preprocess_only, don't register GCC pch_preprocess
6970         pragma if flag_preprocess_only.
6971         * c-opts.c (c_common_init): Call init_pragma even if
6972         flag_preprocess_only.
6973         * c-pragma.c (c_pp_lookup_pragma): New prototype.
6974         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
6975         cpp_register_pragma if flag_preprocess_only.
6976
6977 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6978
6979         PR c/28800
6980         * c-parser.c (c_parser_translation_unit): Warn for empty
6981         translation unit, not empty source file.
6982
6983 2008-02-26  Paul Brook  <paul@codesourcery.com>
6984
6985         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
6986         operand for Thumb-2.
6987         * config/arm/arm.h (reg_class): Add CORE_REGS.
6988         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
6989         (BASE_REG_CLASS): Use CORE_REGS.
6990         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
6991         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
6992         (REGNO_OK_FOR_INDEX_P): Exclude SP.
6993         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
6994         ARM_REGNO_OK_FOR_INDEX_P.
6995         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
6996         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
6997         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
6998         (ldm/stm peepholes): Ditto.
6999         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7000         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7001         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7002         * config/arm/constraints.md: Enable "k" constraint on ARM.
7003
7004 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7005
7006         * config/rs6000/rs6000.c: Annotate cache line size field in all
7007         instances of struct processor_costs.
7008
7009 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7010
7011         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7012         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7013         jump_bypass): New counters.
7014         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7015         * dce.c (gate_ud_dce): Same.
7016         (gate_fast_dce): Same.
7017         * dse.c (gate_dse1): New function.
7018         (gate_dse2): New function.
7019         (gate_dse): Merge results of new gate functions.
7020         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7021         (gate_handle_jump_bypass): Add dbg_cnt.
7022         (gate_handle_gcse): Add dbg_cnt.
7023         * ifcvt.c (gate_handle_if_conversion): Same.
7024         (gate_handle_if_after_combine): Same.
7025         (gate_handle_if_after_reload): Same.
7026         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7027
7028 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7029
7030         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7031         line sizes.
7032         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7033
7034 2008-02-26  Jason Merrill  <jason@redhat.com>
7035
7036         PR c++/35315
7037         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
7038         alone if it's the naming decl for the type's main variant.
7039
7040 2008-02-26  Tom Tromey  <tromey@redhat.com>
7041
7042         * system.h (USE_MAPPED_LOCATION): Poison.
7043         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7044         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7045         (make_goto_expr_edges): Likewise.
7046         (remove_bb): Likewise.
7047         (execute_warn_function_return): Likewise.
7048         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7049         location_t.
7050         * c-common.c (fname_decl): Remove old location code.
7051         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7052         location code.
7053         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7054         variant.
7055         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7056         (gen_rtx_ASM_INPUT): Likewise.
7057         (gen_rtx_ASM_INPUT_loc): Likewise.
7058         (get_rtx_asm_OPERANDS): Remove.
7059         * cfglayout.c (insn_locators_alloc): Remove old location code.
7060         (set_curr_insn_source_location): Likewise.
7061         (curr_insn_locator): Likewise.
7062         * print-tree.c (print_node): Remove old location code.
7063         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7064         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7065         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7066         location_from_locus.
7067         (construct_exit_block): Remove old location code.
7068         * emit-rtl.c (force_next_line_note): Remove old location code.
7069         * profile.c (branch_prob): Remove old location code.
7070         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7071         LOC_LINE): Remove old-location variants.
7072         * langhooks.c (lhd_print_error_function): Remove old location
7073         code.
7074         * configure, config.in: Rebuilt.
7075         * configure.ac (--enable-mapped-location): Remove.
7076         * c-decl.c (c_init_decl_processing): Remove old location code.
7077         (finish_function): Likewise.
7078         * recog.c (decode_asm_operands): Remove old location code.
7079         * c-pch.c (c_common_read_pch): Remove old location code.
7080         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7081         variants.
7082         * gimple-low.c (lower_function_body): Remove old location code.
7083         * toplev.c (unknown_location): Remove.
7084         (push_srcloc): Remove old-location variant.
7085         (process_options): Remove old location code.
7086         (lang_dependent_init): Likewise.
7087         * input.h (UNKNOWN_LOCATION): Move definition.
7088         (location_t): Undeprecate.
7089         (source_locus): Remove.
7090         (location_from_locus): Remove.
7091         (struct location_s): Remove.
7092         Remove all old-location code.
7093         (input_line, input_filename): Remove.
7094         * final.c (final_scan_insn): Remove old location code.
7095         * diagnostic.c (diagnostic_build_prefix): Remove
7096         USE_MAPPED_LOCATION test.
7097         * tree.h (gimple_stmt) <locus>: Now a location_t.
7098         (tree_exp) <locus>: Likewise.
7099         (DECL_IS_BUILTIN): Remove old-location variant.
7100         (annotate_with_file_line, annotate_with_locus): Likewise.
7101         (expr_locus, set_expr_locus): Update.
7102         * tree.c (build1_stat): Remove old location code.
7103         (last_annotated_node): Remove.
7104         (annotate_with_file_line): Remove old-location variant.
7105         (annotate_with_locus): Likewise.
7106         (expr_location): Remove old location code.
7107         (set_expr_location): Likewise.
7108         (expr_has_location): Likewise.
7109         (expr_locus): Likewise.
7110         (set_expr_locus): Likewise.
7111         (expr_filename): Don't use location_from_locus.
7112         (expr_lineno): Likewise.
7113         * rtl-error.c (location_for_asm): Remove old location code.
7114         * c-lex.c (cb_line_change): Remove old location code.
7115         (fe_file_change): Likewise.
7116         (cb_def_pragma): Likewise.
7117         (c_lex_with_flags): Likewise.
7118         * gengtype.c (do_typedef): Don't special-case location types.
7119         (define_location_structures): Remove.
7120         (main): Don't call define_location_structures.
7121         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7122         code.
7123
7124 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7125
7126         PR 26264
7127         * builtins.def (BUILT_IN_STDARG_START): Remove.
7128         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7129         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7130         * tree-inline.c (inline_forbidden_p_1): Likewise.
7131
7132 2008-02-26  Richard Guenther  <rguenther@suse.de>
7133
7134         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7135         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7136         (lookup_decl_from_uid): Declare.
7137         (remove_decl_from_map): Likewise.
7138         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7139         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7140         (decl_for_uid_map): New global hashtable mapping DECL_UID
7141         to the decl tree.
7142         (init_ttree): Allocate it.
7143         (insert_decl_to_uid_decl_map): New helper function.
7144         (make_node_stat): Insert new decls into the map.
7145         (copy_node_stat): Likewise.
7146         (lookup_decl_from_uid): New function.
7147         (remove_decl_from_map): Likewise.
7148         (print_decl_for_uid_map_statistics): New helper.
7149         (dump_tree_statistics): Call it.
7150
7151         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7152         (referenced_var_iterator): Adjust.
7153         (FOR_EACH_REFERENCED_VAR): Adjust.
7154         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7155         (num_referenced_vars): Adjust.
7156         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7157         (first_referenced_var): Remove.
7158         (end_referenced_vars_p): Likewise.
7159         (next_referenced_var): Likewise.
7160         (referenced_var_iterator_set): New helper function.
7161         * tree-dfa.c (referenced_var_lookup): Adjust.
7162         (referenced_var_check_and_insert): Likewise.
7163         (remove_referenced_var): Likewise.
7164         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7165         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7166         (verify_call_clobbering): Likewise.
7167         (verify_memory_partitions): Likewise.
7168         (init_tree_ssa): Allocate bitmap instead of hashtable for
7169         referenced_vars.
7170         (delete_tree_ssa): Adjust.
7171         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7172         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7173         (compute_tag_properties): Likewise.
7174         (set_initial_properties): Likewise.
7175         (find_partition_for): Likewise.
7176         (update_reference_counts): Likewise.
7177         (dump_may_aliases_for): Likewise.
7178         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7179         (add_call_clobber_ops): Likewise.
7180         (add_call_read_ops): Likewise.
7181         (get_asm_expr_operands): Likewise.
7182         * tree-into-ssa.c (dump_decl_set): Likewise.
7183         (update_ssa): Likewise.
7184         * tree-sra.c (scan_function): Likewise.
7185         (decide_instantiations): Likewise.
7186         (scalarize_parms): Likewise.
7187         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7188         (dsa_named_for): Likewise.
7189         * tree-ssa-structalias.c (update_alias_info): Likewise.
7190         (merge_smts_into): Likewise.
7191
7192 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7193
7194         PR 34351
7195         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7196         * c-opts.c (c_common_handle_option): Wall enables
7197         Wvolatile-register-var.
7198         * common.opt: Move Wvolatile-register-var to...
7199         * c.opt: ...here.
7200
7201 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7202
7203         * common.opt (Wlarger-than=): New.
7204         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7205         -Wlarger-than=.
7206         * opts.c (common_handle_option): Handle -Wlarger-than=.
7207         * optc-gen.awk: Likewise.
7208         * opth-gen.awk: Likewise.
7209         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7210         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7211
7212 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7213
7214         * c-common.c (match_case_to_enum_1): Add appropriate
7215         OPT_W* parameter to warning.
7216         (c_do_switch_warnings): Likewise.
7217         * c-typeck.c (warning_init): Add one more parameter following
7218         'warning' function.
7219         (push_init_level): Update call to warning_init.
7220         (pop_init_level): Likewise.
7221         (add_pending_init): Likewise.
7222         (output_init_element: Likewise.
7223
7224 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7225
7226         PR 28322
7227         * toplev.c (toplev_main): If there are warnings or error, print
7228         errors for ignored options.
7229         * opts.c (ignored_options): New static variable.
7230         (postpone_unknown_option_error): New.
7231         (print_ignored_options): New.
7232         (handle_option): Postpone errors for unknown -Wno-* options.
7233         * opts.h (print_ignored_options): Declare.
7234
7235 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7236
7237         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7238         to "ghost".
7239
7240 2008-02-25  Richard Guenther  <rguenther@suse.de>
7241
7242         Revert:
7243         2008-02-25  Richard Guenther  <rguenther@suse.de>
7244
7245         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7246         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7247         (lookup_decl_from_uid): Declare.
7248         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7249         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7250         (decl_for_uid_map): New global hashtable mapping DECL_UID
7251         to the decl tree.
7252         (init_ttree): Allocate it.
7253         (insert_decl_to_uid_decl_map): New helper function.
7254         (make_node_stat): Insert new decls into the map.
7255         (copy_node_stat): Likewise.
7256         (lookup_decl_from_uid): New function.
7257         (print_decl_for_uid_map_statistics): New helper.
7258         (dump_tree_statistics): Call it.
7259
7260         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7261         (referenced_var_iterator): Adjust.
7262         (FOR_EACH_REFERENCED_VAR): Adjust.
7263         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7264         (num_referenced_vars): Adjust.
7265         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7266         (first_referenced_var): Remove.
7267         (end_referenced_vars_p): Likewise.
7268         (next_referenced_var): Likewise.
7269         (referenced_var_iterator_set): New helper function.
7270         * tree-dfa.c (referenced_var_lookup): Adjust.
7271         (referenced_var_check_and_insert): Likewise.
7272         (remove_referenced_var): Likewise.
7273         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7274         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7275         (verify_call_clobbering): Likewise.
7276         (verify_memory_partitions): Likewise.
7277         (init_tree_ssa): Allocate bitmap instead of hashtable for
7278         referenced_vars.
7279         (delete_tree_ssa): Adjust.
7280         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7281         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7282         (compute_tag_properties): Likewise.
7283         (set_initial_properties): Likewise.
7284         (find_partition_for): Likewise.
7285         (update_reference_counts): Likewise.
7286         (dump_may_aliases_for): Likewise.
7287         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7288         (add_call_clobber_ops): Likewise.
7289         (add_call_read_ops): Likewise.
7290         (get_asm_expr_operands): Likewise.
7291         * tree-into-ssa.c (dump_decl_set): Likewise.
7292         (update_ssa): Likewise.
7293         * tree-sra.c (scan_function): Likewise.
7294         (decide_instantiations): Likewise.
7295         (scalarize_parms): Likewise.
7296         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7297         (dsa_named_for): Likewise.
7298         * tree-ssa-structalias.c (update_alias_info): Likewise.
7299         (merge_smts_into): Likewise.
7300
7301 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7302
7303         PR fortran/29549
7304         * doc/invoke.texi (-fcx-limited-range): Document new option.
7305         * toplev.c (process_options): Handle -fcx-fortran-rules.
7306         * common.opt: Add documentation for -fcx-fortran-rules.
7307
7308 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7309
7310         PR c/35162
7311         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7312         actual behaviour and C99.
7313
7314 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7315
7316         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7317         (ASM_CPU_POWER6_SPEC): Likewise.
7318         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7319         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7320         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7321
7322 2008-02-25  Richard Guenther  <rguenther@suse.de>
7323
7324         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7325         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7326         (lookup_decl_from_uid): Declare.
7327         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7328         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7329         (decl_for_uid_map): New global hashtable mapping DECL_UID
7330         to the decl tree.
7331         (init_ttree): Allocate it.
7332         (insert_decl_to_uid_decl_map): New helper function.
7333         (make_node_stat): Insert new decls into the map.
7334         (copy_node_stat): Likewise.
7335         (lookup_decl_from_uid): New function.
7336         (print_decl_for_uid_map_statistics): New helper.
7337         (dump_tree_statistics): Call it.
7338
7339         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7340         (referenced_var_iterator): Adjust.
7341         (FOR_EACH_REFERENCED_VAR): Adjust.
7342         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7343         (num_referenced_vars): Adjust.
7344         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7345         (first_referenced_var): Remove.
7346         (end_referenced_vars_p): Likewise.
7347         (next_referenced_var): Likewise.
7348         (referenced_var_iterator_set): New helper function.
7349         * tree-dfa.c (referenced_var_lookup): Adjust.
7350         (referenced_var_check_and_insert): Likewise.
7351         (remove_referenced_var): Likewise.
7352         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7353         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7354         (verify_call_clobbering): Likewise.
7355         (verify_memory_partitions): Likewise.
7356         (init_tree_ssa): Allocate bitmap instead of hashtable for
7357         referenced_vars.
7358         (delete_tree_ssa): Adjust.
7359         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7360         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7361         (compute_tag_properties): Likewise.
7362         (set_initial_properties): Likewise.
7363         (find_partition_for): Likewise.
7364         (update_reference_counts): Likewise.
7365         (dump_may_aliases_for): Likewise.
7366         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7367         (add_call_clobber_ops): Likewise.
7368         (add_call_read_ops): Likewise.
7369         (get_asm_expr_operands): Likewise.
7370         * tree-into-ssa.c (dump_decl_set): Likewise.
7371         (update_ssa): Likewise.
7372         * tree-sra.c (scan_function): Likewise.
7373         (decide_instantiations): Likewise.
7374         (scalarize_parms): Likewise.
7375         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7376         (dsa_named_for): Likewise.
7377         * tree-ssa-structalias.c (update_alias_info): Likewise.
7378         (merge_smts_into): Likewise.
7379
7380 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7381
7382         PR target/35258
7383         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7384         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7385         * alias.h (nonoverlapping_memrefs_p): Likewise.
7386
7387 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7388
7389         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7390         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7391         __emultls_get_address, __emultls_register_common,
7392         __floatundi?f, and _Unwind_GetIPInfo.
7393         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7394         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7395         (gen_regparm_prefix): Likewise.
7396         (i386_nlm_encode_section_info): Sync with
7397         config/i386/winnt.c:i386_pe_encode_section_info().
7398         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7399         i386_nlm_mangle_decl_assembler_name): New.
7400         (netware_override_options): New.
7401         * config/i386/netware.h (netware_override_options): Declare.
7402         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7403         (i386_nlm_mangle_decl_assembler_name): Declare.
7404         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7405
7406 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7407
7408         PR other/32948
7409         * c-decl.c (grokdeclarator): Remove unused local variables
7410         `typedef_type' and `type_as_written'.
7411         * bb-reorder.c
7412         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7413         unused local variable `has_hot_blocks'.
7414         (fix_crossing_conditional_branches): Remove unused local variable
7415         `prev_bb'.
7416
7417 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7418
7419         PR middle-end/19984
7420         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7421         using DEF_C99_BUILTIN.
7422         (BUILT_IN_NANF): Ditto.
7423         (BUILT_IN_NANL): Ditto.
7424
7425 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7426             Revital Eres  <eres@il.ibm.com>
7427
7428         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7429         regarding the order of two dependent insns in the same row.
7430
7431 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7432
7433         * stor-layout.c (layout_decl): Do not bump the alignment of a
7434         bit-field to more than byte alignment if it is packed.
7435
7436 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7437
7438         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7439         e300c2 and e300c3.
7440
7441 2008-02-24  Diego Novillo  <dnovillo@google.com>
7442
7443         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7444
7445         PR 33738
7446         * tree-vrp.c (vrp_evaluate_conditional): With
7447         -Wtype-limits, emit a warning when comparing against a
7448         constant outside the natural range of OP0's type.
7449         * c.opt (Wtype-limits): Move ...
7450         * common.opt (Wtype-limits): ... here.
7451
7452 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7453
7454         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7455         * config/rs6000/e300c2c3.md: New file.
7456         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7457         e300c2 and e300c3.
7458         (rs6000_override_options): Add e300c2 and e300c3 cases to
7459         processor_target_table. Do not allow usage of Altivec or Spe
7460         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7461         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7462         * config/rs6000/rs6000.h (processor_type): Add
7463         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7464         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7465         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7466         and ppce300c3. Include e300c2c3.md.
7467
7468 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7469
7470         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7471         instead of TARGET_STRICT_ALIGN.
7472
7473 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7474
7475         * explow.c (memory_address): Assert that the generated address is
7476         valid.
7477
7478 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7479
7480         PR target/25477
7481         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7482         * config/darwin-ppc-ldouble-patch.def: New file.
7483         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7484         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7485         SUBTARGET_INIT_BUILTINS if defined.
7486         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7487         New functions.
7488
7489 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7490
7491         PR rtl-opt/33512
7492         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7493         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7494
7495 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7496
7497         PR pch/35027
7498         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7499         file" warning condtional on -Winvalid-PCH.
7500
7501 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7502
7503         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7504
7505 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7506
7507         PR target/22076
7508         PR target/34256
7509         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7510         prevent reload from using MMX registers.
7511         (*mov<mode>_internal): Ditto.
7512         (*movv2sf_internal_rex64): Ditto.
7513         (*movv2sf_internal): Ditto.
7514
7515 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7516
7517         PR documentation/31569
7518         * doc/install.texi2html: Use makeinfo --no-number-sections.
7519
7520 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7521
7522         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7523         ensure that we can address an entire entity > 8 bytes.  Don't
7524         generate reg+reg addressing for such data.
7525
7526 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7527
7528         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7529         strings when optimizing for size, unless the target cares about
7530         alignment.
7531
7532 2008-02-22  Tom Tromey  <tromey@redhat.com>
7533
7534         * regclass.c (current_pass): Remove declaration.
7535
7536 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7537
7538         * config/avr/libgcc.S (__RAMPZ__): Define.
7539         (__do_copy_data): Add for devices with 128KB code memory.
7540
7541 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7542
7543         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7544         Use spe_abi.
7545         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7546
7547 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7548
7549         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7550         GENNONACR_REGS.
7551
7552 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7553
7554         PR c/19999
7555         * c-typeck.c (build_binary_op): Warn about floating point
7556         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7557
7558 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7559
7560         PR target/34526
7561         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7562         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7563         add vrsave.
7564         (rs6000_override_options): Set altivec_abi as default, not override,
7565         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7566         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7567         is used; use new member spe_abi.
7568         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7569         spe_abi and altivec_abi.
7570
7571 2008-02-22  Tomas Bily  <tbily@suse.cz>
7572
7573         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7574
7575 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7576
7577         PR bootstrap/35273
7578         * config.build (build_file_translate): Set to `CMD //c' only if
7579         it works.
7580         * Makefile.in (build_file_translate): Improve comment.
7581
7582 2008-02-21  Jan Hubicka  <jh@suse.cz>
7583
7584         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7585         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7586         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7587
7588 2008-02-21  Michael Matz  <matz@suse.de>
7589
7590         PR target/35264
7591         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7592
7593 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7594
7595         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7596         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7597         as insn constraint.
7598         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7599         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7600         SSE_VEC_FLOAT_MODE_P as insn constraint.
7601         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7602         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7603         sse4a_movntdf using MODEF mode iterator.
7604         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7605         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7606         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7607         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7608         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7609         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7610         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7611
7612 2008-02-21  Richard Guenther  <rguenther@suse.de>
7613
7614         * tree.def (PAREN_EXPR): New tree code.
7615         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7616         and PAREN_EXPR.
7617         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7618         * expr.c (expand_expr_real_1): Likewise.
7619         * tree-inline.c (estimate_num_insns_1): Likewise.
7620         * tree-complex.c (expand_complex_move): Likewise.
7621         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7622         as plain x.
7623
7624 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7625
7626         PR target/35225
7627         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7628
7629 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7630
7631         PR target/35190
7632         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7633
7634         * config/sh/sh.c (find_barrier): Don't go past
7635         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7636
7637 2008-02-20  DJ Delorie  <dj@redhat.com>
7638
7639         * config/h8300/h8300.md (insv): Force source operand to be a register.
7640
7641         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7642         as a jump, not as a plain insn.
7643
7644 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7645
7646         * doc/invoke.texi (Warning Options): Add new option
7647         -Wframe-larger-than=.
7648         (-Wframe-larger-than): Document.
7649
7650         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7651         Add declarations for new option variables.
7652
7653         * final.c (final_start_function): Check the frame size
7654         before emission and issue a Wframe-larger-than warning.
7655
7656         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7657         Add definitions for new option variables.
7658         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7659
7660         * common.opt (Wframe-larger-than=): New option.
7661
7662 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7663
7664         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7665         (<sse>_div<mode>3): Ditto.
7666         (<sse>_vmdiv<mode>3): Ditto.
7667         (<sse>_vmsqrt<mode>2): Ditto.
7668         (*smax<mode>3): Ditto.
7669         (sse5_frcz<mode>2): Ditto.
7670         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7671         as insn constraint.
7672
7673 2008-02-20  Richard Guenther  <rguenther@suse.de>
7674
7675         PR middle-end/35265
7676         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7677         be happy with INTEGRAL_TYPE_P.
7678
7679 2008-02-20  Richard Guenther  <rguenther@suse.de>
7680
7681         * fold-const.c (split_tree): Associate floatig-point expressions
7682         if flag_associative_math is set.
7683
7684 2008-02-20  Richard Guenther  <rguenther@suse.de>
7685
7686         * tree.h (fold_real_zero_addition_p): Declare.
7687         * fold-const.c (fold_real_zero_addition_p): Export.
7688         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7689         floating-point operations with zero and one.
7690
7691 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7692
7693         * doc/install.texi: Correct references to CFLAGS, replacing them
7694         with BOOT_CFLAGS.  Document flags used during bootstrap for
7695         target libraries.
7696
7697 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7698
7699         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7700         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7701         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7702         insn constraint.
7703         (smin<mode>3): Ditto from similar patterns.
7704         (smax<mode>3): Ditto.
7705         (*ieee_smin<mode>3): Ditto.
7706         (*ieee_smax<mode>3): Ditto.
7707         * config/i386/sse.md (sse): New mode attribute.
7708         (mov<mode>): Macroize expander from movv4sf and movv2df using
7709         SSEMODEF2P mode iterator.
7710         (<sse>_movnt<mode>): Ditto from similar patterns. Use
7711         SSE_VEC_FLOAT_MODE_P as insn constraint.
7712         (storent<mode>): Ditto.
7713         (storent<mode>): Macroize expander from storentsf and storentdf using
7714         MODEF mode iterator.
7715         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
7716         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
7717         (abs<mode>2): Ditto from similar patterns.
7718         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
7719         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
7720         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
7721         (<sse>_vmsqrt<mode>2): Ditto.
7722         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
7723         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
7724         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
7725         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
7726         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
7727         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
7728         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
7729         insn constraint.
7730         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
7731         iterator and SSE_FLOAT_MODE_P as insn constraint.
7732         (<sse>_ucomi): Ditto from similar patterns.
7733         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
7734         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
7735         SSE_VEC_FLOAT_MODE_P as insn constraint.
7736         (vcond<mode>): Ditto from similar patterns.
7737         (and<mode>3, *and<mode>3): Ditto.
7738         (<sse>_nand<mode>3): Ditto.
7739         (ior<mode>3, *ior<mode>3): Ditto.
7740         (xor<mode>3, *xor<mode>3): Ditto.
7741         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
7742         iterator and SSE_FLOAT_MODE_P as insn constraint.
7743         (*nand<mode>3): Ditto from similar patterns.
7744         (*ior<mode>3): Ditto.
7745         (*xor<mode>3): Ditto.
7746
7747 2008-02-20  Ira Rosen  <irar@il.ibm.com>
7748
7749         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
7750         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
7751         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7752
7753 2008-02-19  Jan Hubicka  <jh@suse.cz>
7754
7755         * predict.c (tree_bb_level_predictions): Remove variable next
7756         mistakely introduced by previous commit.
7757
7758 2008-02-19  Jan Hubicka  <jh@suse.cz>
7759
7760         * predict.c (predict_paths_leading_to): Rewrite.
7761         (predict_paths_for_bb): New.
7762         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
7763
7764 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7765
7766         PR bootstrap/35218
7767         * Makefile.in (build_file_translate): New.
7768         (gcc-vers.texi): Use it for translating $(abs_srcdir).
7769         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
7770         * configure.ac (build_file_translate): Substitute it.
7771         * configure: Regenerate.
7772
7773 2008-02-19  Jan Hubicka  <jh@suse.cz>
7774
7775         PR rtl-optimization/34408
7776         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
7777         invalid sharing.
7778
7779 2008-02-19  Jan Hubicka  <jh@suse.cz>
7780
7781         PR middle-end/28779
7782         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
7783         call_expr.
7784
7785 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7786
7787         PR Ada/35186
7788         * config/i386/i386-modes.def: Revert the last DI alignment
7789         change until Ada people can look into it.
7790
7791 2008-02-19  Nick Clifton  <nickc@redhat.com>
7792
7793         * opts.c (print_specific_help): Fix typo in --help text.
7794
7795 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
7796
7797         PR target/35239
7798         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
7799         32-bit inline asm without asm alternatives for host GCC < 3.0.
7800
7801 2008-02-19  Richard Guenther  <rguenther@suse.de>
7802
7803         PR tree-optimization/34989
7804         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
7805         Allow propagation to INDIRECT_REF if we can simplify only.
7806
7807 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7808
7809         * c-common.c (warn_for_collisions_1): Use appropriate option when
7810         warning.
7811
7812 2008-02-19  Nick Clifton  <nickc@redhat.com>
7813
7814         PR other/31349
7815         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
7816         (handle_options): Fix indentation.
7817         (print_filtered_help): If no language-specific options were
7818         displayed tell the user how to list all the options supported by
7819         the language's front-end.
7820         (print_specific_help): Fix indentation and remove duplicate line.
7821         (common_handle_option): Handle the -v option.
7822         For --help enable the display of undocumented options if the -v
7823         switch has been included on the command line.
7824         For --help= check for overlaps in the arguments between the option
7825         classes and the language names and issue a warning when they
7826         cannot be disambiguated.
7827         * c.opt (v): Pass on to the common option handler.
7828
7829 2008-02-19  Revital Eres  <eres@il.ibm.com>
7830
7831         * modulo-sched.c (sms_schedule): Change dump message when
7832         create_ddg function fails.
7833         (try_scheduling_node_in_cycle): Rename row to cycle.
7834         (print_partial_schedule): Rename CYCLE to ROW.
7835
7836 2008-02-19  Christian Bruel  <christian.bruel@st.com>
7837             Zdenek Dvorak  <ook@ucw.cz>
7838
7839         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
7840
7841 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7842
7843         PR target/33555
7844         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
7845         (*x86_movdicc_0_m1_se): Ditto.
7846
7847 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7848
7849         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
7850         (CMPtype): Define as __gcc_CMPtype.
7851         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
7852         (CMPtype): Define as __gcc_CMPtype.
7853
7854 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
7855
7856         Support valgrind 3.3 for --enable-checking=valgrind.
7857         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
7858         here.
7859         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
7860         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
7861         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
7862         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
7863         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
7864         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
7865         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
7866         respectively.
7867         * ggc-zone.c: Similar.
7868         * ggc-page.c: Similar.
7869
7870 2008-02-19  Paul Brook  <paul@codesourcery.com>
7871
7872         PR target/35071
7873         * config/arm/ieee754-df.S: Fix do_it typo.
7874         * config/arm/ieee754-sf.S: Fix do_it typo.
7875
7876 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7877
7878         PR target/35189
7879         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
7880         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
7881         (OPTION_MASK_ISA_SSE_SET): Likewise.
7882         (OPTION_MASK_ISA_SSE2_SET): Likewise.
7883         (OPTION_MASK_ISA_SSE3_SET): Likewise.
7884         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
7885         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
7886         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
7887         (OPTION_MASK_ISA_SSE4_SET): Likewise.
7888         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
7889         (OPTION_MASK_ISA_SSE5_SET): Likewise.
7890         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
7891         (OPTION_MASK_ISA_MMX_UNSET): Updated.
7892         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
7893         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
7894         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
7895         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
7896         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
7897         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
7898         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
7899         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
7900         (OPTION_MASK_ISA_SSE4): Removed.
7901         (ix86_handle_option): Turn on bits in ix86_isa_flags and
7902         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
7903         (override_options): Don't turn on implied SSE/MMX bits in
7904         ix86_isa_flags.
7905
7906 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7907
7908         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7909         32bit host.
7910
7911 2008-02-18  Joey Ye  <joey.ye@intel.com>
7912
7913         PR middle-end/34921
7914         * tree-nested.c (insert_field_into_struct): Set type alignment
7915         to field alignment if the former is less than the latter.
7916
7917 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
7918
7919         * BASE-VER: Set to 4.4.0.
7920
7921 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7922
7923         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
7924         * doc/cfg.texi: Likewise.
7925         * doc/extend.texi: Likewise.
7926         * doc/gty.texi: Likewise.
7927         * doc/invoke.texi: Likewise.
7928         * doc/loop.texi: Likewise.
7929         * doc/md.texi: Likewise.
7930         * doc/passes.texi: Likewise.
7931         * doc/rtl.texi: Likewise.
7932         * doc/sourcebuild.texi: Likewise.
7933         * doc/tm.texi: Likewise.
7934         * doc/tree-ssa.texi: Likewise.
7935
7936 2008-02-17  Richard Guenther  <rguenther@suse.de>
7937
7938         PR middle-end/35227
7939         * tree-complex.c (init_parameter_lattice_values): Handle parameters
7940         without default definition.
7941
7942 2008-02-17  Richard Guenther  <rguenther@suse.de>
7943
7944         PR tree-optimization/35231
7945         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
7946         if A | B != 1.
7947
7948 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
7949
7950         Revert:
7951         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7952         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7953         libgcc_cmp_return mode.
7954
7955 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7956
7957         PR c/28368
7958         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
7959
7960 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
7961
7962         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
7963         multilibs.
7964
7965 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7966
7967         * doc/c-tree.texi: Use `@.' where appropriate.
7968         * doc/extend.texi: Likewise.
7969         * doc/install.texi: Likewise.
7970         * doc/invoke.texi: Likewise.
7971         * doc/loop.texi: Likewise.
7972         * doc/makefile.texi: Likewise.
7973         * doc/md.texi: Likewise.
7974         * doc/passes.texi: Likewise.
7975         * doc/standards.texi: Likewise.
7976         * doc/tm.texi: Likewise.
7977
7978 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7979
7980         PR middle-end/35196
7981         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
7982         in entry_bb.
7983         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
7984         rather than in entry_bb.
7985
7986 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7987
7988         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7989         libgcc_cmp_return mode.
7990
7991 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7992
7993         PR middle-end/35130
7994         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
7995         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
7996
7997 2008-02-15  Richard Guenther  <rguenther@suse.de>
7998             Zdenek Dvorak  <ook@ucw.cz>
7999
8000         PR tree-optimization/35164
8001         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8002         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8003         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8004         Only propagate addresses which do not have abnormal SSA_NAMEs
8005         in their operands.
8006
8007 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8008
8009         PR target/35088
8010         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8011
8012 2008-02-15  Jan Hubicka  <jh@suse.cz>
8013
8014         PR middle-end/35149
8015         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8016
8017 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8018
8019         PR middle-end/34621
8020         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8021         when calculating alignment_pad.
8022
8023 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8024
8025         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8026         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8027         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8028         and STACK_BOUNDARY define.
8029
8030 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8031
8032         PR preprocessor/35061
8033         * c-pragma.c (handle_pragma_pop_macro): Check that
8034         pushed_macro_table has been allocated.
8035
8036 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8037
8038         PR middle-end/35136
8039         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8040         (force_gimple_operand): Likewise.
8041         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8042         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8043         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8044         (find_interesting_uses_address): Check addressability and alignment
8045         of the base expression only after substituting bases of IVs into it.
8046
8047 2008-02-14  Michael Matz  <matz@suse.de>
8048
8049         PR target/34930
8050         * function.c (instantiate_virtual_regs_in_insn): Reload address
8051         before falling back to reloading the whole operand.
8052
8053 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8054
8055         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8056         before the first section switch note.
8057
8058 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8059
8060         * doc/bugreport.texi: Update copyright years.
8061         * doc/c-tree.texi: Likewise.
8062         * doc/cfg.texi: Likewise.
8063         * doc/cpp.texi: Likewise.
8064         * doc/cppinternals.texi: Likewise.
8065         * doc/fragments.texi: Likewise.
8066         * doc/frontends.texi: Likewise.
8067         * doc/gcc.texi: Likewise.
8068         * doc/gty.texi: Likewise.
8069         * doc/hostconfig.texi: Likewise.
8070         * doc/implement-c.texi: Likewise.
8071         * doc/libgcc.texi: Likewise.
8072         * doc/loop.texi: Likewise.
8073         * doc/makefile.texi: Likewise.
8074         * doc/options.texi: Likewise.
8075         * doc/passes.texi: Likewise.
8076         * doc/rtl.texi: Likewise.
8077         * doc/sourcebuild.texi: Likewise.
8078         * doc/standards.texi: Likewise.
8079         * doc/tree-ssa.texi: Likewise.
8080         * doc/trouble.texi: Likewise.
8081
8082         * doc/extend.texi: Use @: or add comma where appropriate.
8083         * doc/invoke.texi: Likewise.
8084         * doc/tm.texi: Likewise.
8085
8086 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8087
8088         PR target/34393
8089         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8090         to a reg.
8091
8092 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8093
8094         * doc/md.texi (clz, ctz): Add reference.
8095         * doc/rtl.texi (clz, ctz): Likewise.
8096
8097 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8098
8099         PR other/35148
8100         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8101         srcdir.
8102
8103 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8104
8105         * config/s390/s390.c (struct constant_pool): New field
8106         emit_pool_after added.
8107         (s390_mainpool_start): Set the emit_pool_after flag according
8108         to the section switch notes.
8109         (s390_mainpool_finish): Consider emit_pool_after when emitting
8110         the literal pool at the end of the function.
8111         (s390_chunkify_start): Force literal pool splits at section
8112         switch notes.
8113
8114 2008-02-13  Michael Matz  <matz@suse.de>
8115
8116         PR debug/35065
8117         * var-tracking.c (clobber_variable_part): Correctly traverse the
8118         list.
8119
8120 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8121
8122         PR 29673
8123         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8124         Add -fdump-ipa-inline.
8125         * tree-dump.c (dump_files): Remove tree-inlined dump.
8126         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8127
8128 2008-02-12  Richard Guenther  <rguenther@suse.de>
8129
8130         PR tree-optimization/35171
8131         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8132         default defs.
8133
8134 2008-02-12  Richard Guenther  <rguenther@suse.de>
8135
8136         PR middle-end/35163
8137         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8138         value-preserving mode.  Disallow final truncation.
8139
8140 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8141
8142         PR middle-end/35136
8143         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8144         code from here to...
8145         (force_gimple_operand): ...here.
8146
8147 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8148
8149         PR c++/35144
8150         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8151         non-compatible pointers.
8152         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8153         different FIELD_DECLs, try harder by comparing field offsets, sizes
8154         and types.
8155
8156         PR inline-asm/35160
8157         * function.c (match_asm_constraints_1): Don't replace the same input
8158         multiple times.
8159
8160 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8161
8162         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8163         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8164         (expand_epilogue): Restore RAMPZ register.
8165         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8166
8167 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8168
8169         * config/i386/cygwin.asm: (__alloca): Correct calling
8170         convention and alignment.
8171         (__chkstk): Force 8 byte stack alignment.
8172
8173 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8174             Richard Guenther  <rguenther@suse.de>
8175
8176         PR tree-optimization/33992
8177         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8178         the zero we compare against.
8179
8180 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8181
8182         PR libfortran/35063
8183         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8184         to CloseHandle after unlocking to prevent accumulation of handle
8185         count.
8186
8187 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8188
8189         PR middle_end/34150
8190         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8191         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8192         and update LABEL_NUSES during and after reload.
8193
8194 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8195
8196         PR middle-end/34627
8197         * combine.c (simplify_if_then_else): Make sure the comparison is
8198         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8199
8200 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8201
8202         PR bootstrap/35051
8203         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8204         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8205         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8206         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8207         * tree.h (get_type_static_bounds): Likewise.
8208
8209 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8210
8211         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8212         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8213         Make -Wfoo language annotations match what the compiler outputs.
8214
8215 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8216
8217         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
8218         intrinsics spu_convts, spu_convtu, spu_convtf.
8219
8220 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8221
8222         * doc/extend.texi (Function Attributes) <noinline>: Mention
8223         asm ("") as method to keep calls.
8224
8225 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8226
8227         PR other/32754
8228         * doc/options.texi (Options): Replace references to opts.sh with
8229         optc-gen.awk.
8230         * opts-common.c: Likewise.
8231         * optc-gen.awk: Likewise.
8232
8233 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8234
8235         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8236
8237 2008-02-07  Richard Henderson  <rth@redhat.com>
8238
8239         PR rtl-opt/33410
8240         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8241         EXPR_LIST for the REG_EQUAL instead of a comparison with a
8242         funny mode.
8243
8244 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8245
8246         PR tree-optimization/35085
8247         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8248         for operand entry oe2 in addition to operand entry oe3 in order to
8249         expose more opportunities for vectorizer sum reduction.
8250
8251 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8252
8253         PR other/35107
8254         * Makefile.in (LIBS): Remove $(GMPLIBS).
8255         (cc1-dummy, cc1): Add $(GMPLIBS).
8256
8257 2008-02-06  Jan Hubicka  <jh@suse.cz>
8258
8259         PR target/23322
8260         * i386.md (moddf_integer): Do not produce partial memory stalls for
8261         targets where it hurts.
8262
8263 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8264
8265         PR target/35083
8266         * optabs.c (expand_float): Do not check for decimal modes when
8267         expanding unsigned integer through signed conversion.
8268
8269 2008-02-06  Nick Clifton  <nickc@redhat.com>
8270
8271         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8272         inside the clobber with a match_operand and duplicated operand
8273         number in the constraint.
8274         (ineqbranchsi): Delete redundant comment.
8275
8276 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8277
8278         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
8279         builtin_define ("__USE_INIT_FINI__").
8280         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8281         -msx multilibs.
8282         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8283
8284 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8285
8286         PR documentation/30330
8287         * doc/invoke.texi (C++ Dialect Options)
8288         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8289         For each warning option -Wfoo that allows -Wno-foo, ensure both
8290         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8291         entry of -Wswitch-default, index -Wnormalized= including the
8292         `=', and -Wlarger-than-@var{len} including @var{len}.
8293
8294 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8295
8296         * config/i386/i386.md (floatunssisf2): Use
8297         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8298         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8299         Macroize expander using MODEF mode iterator.
8300
8301 2008-02-05  Diego Novillo  <dnovillo@google.com>
8302
8303         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8304
8305         PR 33738
8306         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8307
8308 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8309
8310         PR other/35070
8311         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8312
8313 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8314
8315         PR target/35084
8316         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8317         to indicate if a message should be generated.
8318         (init_cumulative_args): Updated.
8319         (function_value_32): Likewise.
8320
8321 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8322
8323         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8324
8325 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8326
8327         PR target/35083
8328         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8329         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8330
8331 2008-02-04  Diego Novillo  <dnovillo@google.com>
8332
8333         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8334
8335         PR 33738
8336         * tree-vrp.c (vrp_evaluate_conditional): With
8337         -Wtype-limits, emit a warning when comparing against a
8338         constant outside the natural range of OP0's type.
8339
8340 2008-02-04  Richard Guenther  <rguenther@suse.de>
8341
8342         PR middle-end/33631
8343         * expr.c (count_type_elements): Give for unions instead of
8344         guessing.
8345
8346 2008-02-04  Richard Guenther  <rguenther@suse.de>
8347
8348         PR middle-end/35043
8349         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8350         to TYPE_DOMAINs base type instead of using bitsizetype here.
8351
8352 2008-02-03  Jason Merrill  <jason@redhat.com>
8353
8354         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8355
8356 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8357
8358         PR other/29972
8359         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8360         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8361         (RS/6000 and PowerPC Options): Fix typos and markup.
8362         * doc/passes.texi (Tree-SSA passes): Likewise.
8363
8364 2008-02-02  Michael Matz  <matz@suse.de>
8365
8366         PR target/35045
8367         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8368         from record_last_reg_set_info.
8369         (record_last_reg_set_info): Take an RTX argument, iterate over all
8370         constituent hardregs.
8371         (record_last_set_info, record_opr_changes): Change calls to
8372         new signature or to record_last_reg_set_info_regno.
8373
8374 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8375
8376         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8377
8378 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8379
8380         PR rtl-optimization/34773
8381         * reg-notes.def (EQUAL): Mention significance of combination of
8382         REG_EQUAL and REG_RETVAL.
8383         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8384         insn that has a REG_RETVAL.
8385
8386 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8387
8388         PR bootstrap/33781
8389         * configure.ac (--enable-fixed-point): Disable unless explicitly
8390         requested on IRIX.
8391         * configure: Regenerate.
8392
8393 2008-02-01  Richard Guenther  <rguenther@suse.de>
8394
8395         PR other/35042
8396         * invoke.texi (-finline-limit): Remove no longer true parts
8397         of the documentation.  Note that there is no default value.
8398
8399 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8400             Mark Mitchell  <mark@codesourcery.com>
8401             Ben Elliston  <bje@au.ibm.com>
8402
8403         PR c/29326
8404         * doc/extend.texi (Other Builtins): Document.
8405
8406 2008-01-31  Tom Browder <tom.browder@gmail.com>
8407
8408         * doc/c-tree.texi (Types): Fix grammar.
8409         (Expression trees): Ditto.
8410         * doc/passes.texi (Tree-SSA passes): Ditto.
8411
8412         * doc/configterms.texi (Configure Terms): Fix typo.
8413         * doc/cpp.texi (Common Predefined Macros): Ditto.
8414         * doc/md.texi (Machine Constraints): Ditto.
8415
8416         * doc/makefile.texi (Makefile): Add comma.
8417
8418 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8419             Gerald Pfeifer  <gerald@pfeifer.com>
8420
8421         * doc/sourcebuild.texi (Front End): Remove references to CVS
8422         and CVSROOT/modules.
8423         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8424         (Back End): Remove reference to CVS.
8425
8426 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8427
8428         PR target/34900
8429         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8430         comment from...
8431         (mips16_gp_pseudo_reg): ...here.
8432         * config/mips/mips.md (load_const_gp): Replace with...
8433         (load_const_gp_<mode>): ...this :P-based insn.
8434
8435 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8436
8437         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8438         options. Minor fixes.
8439         (-std): Move reference to standards closer to where language
8440         standards are first mentioned.
8441
8442 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8443
8444         PR rtl-optimization/34995
8445         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8446         parameter and return a bool.  If the rtx parameter is nonnull,
8447         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8448         (find_reloads): Update call accordingly.  Pass the new operand
8449         if it needed no address reloads, otherwise pass null.
8450
8451 2008-01-30  Richard Henderson  <rth@redhat.com>
8452
8453         PR c/34993
8454         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8455         for unbounded arrays.
8456
8457 2008-01-30  Silvius Rus  <rus@google.com>
8458
8459         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8460
8461 2008-01-30  Jan Hubicka  <jh@suse.cz>
8462
8463         PR target/34982
8464         * i386.c (init_cumulative_args): Use real function declaration when
8465         calling locally.
8466
8467 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8468
8469         PR rtl-optimization/34998
8470         * global.c (build_insn_chain): Treat non-subreg_lowpart
8471         SUBREGs of pseudos as clobbering all the words covered by the
8472         SUBREG, not just all the bytes.
8473         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8474         original df_ref rather than an extract parameter.
8475         (global_conflicts): Update call accordingly.
8476
8477 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8478
8479         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8480         the overflow check to make it easier to read.
8481         (__fixtfdi): Change the type of the ll member in union
8482         long_double to UDItype_x.
8483
8484 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8485
8486         PR middle-end/34969
8487         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8488         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8489         * tree-inline.c (fold_marked_statements): Call
8490         cgraph_update_edges_for_call_stmt if folding a call statement.
8491         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8492         debug_generic_stmt calls, reset it back afterwards.
8493
8494         PR c/35017
8495         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8496         static decls.
8497         * c-typeck.c (build_external_ref): Don't pedwarn about
8498         static vars in current function's scope.
8499
8500 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8501
8502         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8503
8504 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8505
8506         PR c/35002
8507         * ipa-struct-reorg.c: Fix spelling.
8508         * params.def: Ditto.
8509
8510 2008-01-29  Richard Guenther  <rguenther@suse.de>
8511
8512         PR middle-end/35006
8513         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8514         field.
8515         * tree-inline.c (remap_type): Increment remapping_type_depth
8516         around remapping types.
8517         (copy_body_r): Only add referenced variables if they are referenced
8518         from code, not types.
8519
8520 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8521
8522         PR c++/34055
8523         PR c++/34103
8524         PR c++/34219
8525         PR c++/34606
8526         PR c++/34753
8527         PR c++/34754
8528         PR c++/34755
8529         PR c++/34919
8530         PR c++/34961
8531         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8532         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8533
8534 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8535
8536         PR target/34412
8537         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
8538         pointer for tiny stack.
8539
8540 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8541
8542         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8543
8544 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8545
8546         * config/vx-common.h: Fix typo in comment.
8547
8548 2008-01-28  Ian Lance Taylor  <iant@google.com>
8549
8550         PR c++/34862
8551         PR c++/33407
8552         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8553         coalesce pointers if they have different DECL_NO_TBAA_P values.
8554         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8555         between variables with different DECL_NO_TBAA_P values.
8556
8557 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8558
8559         PR 31535
8560         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8561         are not legitimate small data references on SPE targets.
8562
8563 2008-01-28  David Daney  <ddaney@avtrex.com>
8564
8565         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8566
8567 2008-01-28  David Daney  <ddaney@avtrex.com>
8568
8569         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8570
8571 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8572
8573         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8574         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8575         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8576         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8577         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8578         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8579         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8580         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8581
8582 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8583
8584         * basic-block.h (condjump_equiv_p): Fix comment.
8585
8586 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8587
8588         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8589         print_generic_stmt_indented): Fix comment.
8590
8591 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8592
8593         * configure.ac (__stack_chk_fail): Add detecion for availability
8594         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8595         * configure: Regenerate.
8596
8597 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8598
8599         PR middle-end/34688
8600         * final.c (output_addr_const): Handle TRUNCATE.
8601
8602 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8603
8604         PR target/34711
8605         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8606         (zero_cost, infinite_cost): New constants.
8607         (struct cost_pair): Change type of cost to comp_cost.
8608         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8609         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8610         New functions.
8611         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8612         split_address_cost, ptr_difference_cost, difference_cost,
8613         get_computation_cost_at, get_computation_cost,
8614         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8615         determine_use_iv_cost_condition, determine_use_iv_costs,
8616         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8617         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8618         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8619         Change type of cost to comp_cost.
8620         (determine_iv_cost): Increase cost of non-original ivs, instead
8621         of decreasing the cost of original ones.
8622         (get_address_cost): Indicate the complexity of the addressing mode
8623         in comp_cost.
8624         (try_add_cand_for): Prefer using ivs not specific to some object.
8625         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8626
8627 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8628             Janis Johnson  <janis187@us.ibm.com>
8629
8630         PR target/34814
8631         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8632         (TARGET_INSTANTIATE_DECLS): Likewise.
8633         * target.h (expand_to_rtl_hook): New target hook.
8634         (instantiate_decls): Likewise.
8635         * function.c (instantiate_decl): Make non-static.  Rename to...
8636         (instantiate_decl_rtl): ... this.
8637         (instantiate_expr): Use instantiate_decl_rtl.
8638         (instantiate_decls_1): Likewise.
8639         (instantiate_decls): Likewise.
8640         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8641         * function.h (instantiate_decl_rtl): Add prototype.
8642         * cfgexpand.c (target.h): New include.
8643         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8644         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8645         (TARGET_INSTANTIATE_DECLS): Likewise.
8646         (TARGET_INITIALIZER): New target hooks added.
8647         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8648         New prototype.
8649         * config/rs6000/rs6000.c (tree-flow.h): New include.
8650         (machine_function): Add sdmode_stack_slot field.
8651         (rs6000_alloc_sdmode_stack_slot): New function.
8652         (rs6000_instantiate_decls): Likewise.
8653         (rs6000_secondary_memory_needed_rtx): Likewise.
8654         (rs6000_check_sdmode): Likewise.
8655         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8656         (TARGET_INSTANTIATE_DECLS): Likewise.
8657         (rs6000_hard_regno_mode_ok): Allow SDmode.
8658         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8659         (rs6000_emit_move): Handle SDmode.
8660         (function_arg_advance): Likewise.
8661         (function_arg): Likewise.
8662         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8663         SDmode var args for 32-bit compiles.
8664         (rs6000_secondary_reload_class): Handle SDmode.
8665         (rs6000_output_function_epilogue): Likewise.
8666         (rs6000_function_value): Simplify if statement.
8667         (rs6000_libcall_value): Likewise.
8668         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8669         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8670         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8671         (movsd_hardfloat): New define_insn.
8672         (movsd_softfloat): Likewise.
8673         (movsd_store): Likewise.
8674         (movsd_load): Likewise.
8675         (extendsddd2): Likewise.
8676         (extendsdtd2): Likewise.
8677         (truncddsd2): Likewise.
8678         (movdd_hardfloat64): Fixup comment.
8679         (UNSPEC_MOVSD_LOAD): New constant.
8680         (UNSPEC_MOVSD_STORE): Likewise.
8681
8682 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8683
8684         PR c++/34965
8685         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8686         TRUTH_XOR_EXPR.
8687         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8688         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8689         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8690         and TRUTH_XOR_EXPR.
8691
8692 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8693
8694         PR target/34794
8695         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8696         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8697         __LONGDOUBLE128 too.
8698         * config/rs6000/aix61.h: New file.
8699
8700 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8701
8702         PR rtl-optimization/34959
8703         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8704         popcount and parity rtxes the same mode as their operand.
8705         Truncate or extend the result to the return value's mode
8706         if necessary.
8707
8708 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8709
8710         PR target/34981
8711         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
8712         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
8713         to GOT_VERSION_REGNUM.
8714         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8715         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
8716         * config/mips/mips.c (mips_emit_call_insn): New function.
8717         (mips_call_tls_get_addr): Call mips_expand_call directly.
8718         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
8719         emit_call_insn.
8720         (mips16_build_call_stub): Likewise.  Return the call insn or null.
8721         (mips_expand_call): Update the call to mips16_build_call_stub
8722         accordingly and a remove redundant condition.  Assert that MIPS16
8723         stubs do not use lazy binding.  Use mips_emit_call_insn and return
8724         the call insn.
8725         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
8726         TARGET_USE_GOT.
8727         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
8728         (mips_avoid_hazard): Remove hazard_set handling.
8729         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
8730         (UNSPEC_RESTORE_GP): ...this.
8731         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
8732         (FAKE_CALL_REGNO): Rename to...
8733         (GOT_VERSION_REGNUM): ...this.
8734         (type): Add "ghost" value.  Add an associated insn reservation.
8735         (hazard_set): Remove.
8736         (exception_receiver): Rename to...
8737         (restore_gp): ...this and update the unspec identifier accordingly.
8738         (exception_receiver, nonlocal_got_receiver): New expanders.
8739         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
8740         FAKE_CALL_REGNO.  Remove hazard_set attribute.
8741         (set_got_version, update_got_version): New patterns.
8742
8743 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
8744
8745         PR target/34970
8746         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
8747
8748 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8749
8750         PR other/31955
8751         * doc/install.texi2html: Generate gcc-vers.texi.
8752
8753 2008-01-25  DJ Delorie  <dj@redhat.com>
8754
8755         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8756
8757 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8758
8759         * config/c4x: Remove directory.
8760         * config.gcc (crx-*, mt-*): Mark obsolete.
8761         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
8762         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
8763         sh-*-rtemscoff*): Remove cases.
8764         * defaults.h (C4X_FLOAT_FORMAT): Remove.
8765         * real.c (encode_c4x_single, decode_c4x_single,
8766         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
8767         c4x_extended_format): Remove.
8768         * real.h (c4x_single_format, c4x_extended_format): Remove.
8769         * doc/extend.texi (interrupt, naked): Remove mention of attributes
8770         on C4x.
8771         (Pragmas): Remove comment about c4x pragmas.
8772         * doc/install.texi (c4x): Remove target-specific instructions.
8773         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
8774         * doc/md.texi (Machine Constraints): Remove C4x documentation.
8775         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
8776         refer to C4x source files as examples.
8777         (C4X_FLOAT_FORMAT): Remove documentation.
8778
8779 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
8780
8781         * config/bfin/bfin.c (override_options): Reorder tests so that
8782         flag_pic gets enabled for -msep-data.
8783
8784 2008-01-25  Richard Guenther  <rguenther@suse.de>
8785
8786         PR middle-end/32244
8787         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
8788         to its bitfield precision if required.
8789
8790 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8791
8792         PR middle-end/33880
8793         * tree-nested.c (walk_omp_for): New function.
8794         (convert_nonlocal_reference, convert_local_reference): Call
8795         walk_omp_for on OMP_FOR.
8796         (convert_call_expr): Call walk_body on OMP_FOR's
8797         OMP_FOR_PRE_INIT_BODY.
8798
8799 2008-01-25  Richard Guenther  <rguenther@suse.de>
8800
8801         PR tree-optimization/34966
8802         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
8803         default defs and PHI_NODEs we have to insert after the
8804         defining statement.
8805
8806 2008-01-24  Nick Clifton  <nickc@redhat.com>
8807
8808         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
8809         Provide a default definition.
8810         (LIBGCC2_UNITS_PER_WORD): Likewise.
8811
8812         * config/stormy16/stormy16.c: Include df.h for the prototype
8813         for df_regs_ever_live_p.
8814         (xstormy16_expand_builtin_va_start): Convert the stack offset
8815         into a component_ref and then use POINTER_PLUS_EXPR to add it
8816         to the incoming_virtual_args_rtx.
8817         (xstormy16_gimplify_va_arg_expr): Rename to
8818         xstormy16_gimplify_va_arg_expr.
8819         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
8820         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
8821         xstormy16_gimplify_va_arg_expr.
8822         Fix up some formatting issues.
8823
8824         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
8825         Move to predicates.md.
8826         (xs_hi_general_operand): Likewise.
8827         (xs_hi_nonmemory_operand): Likewise.
8828         * config/stormy16/predicates.md:
8829         (xstormy16_carry_plus_operand): New predicate.
8830         (xs_hi_general_operand): New predicate.
8831         (xs_hi_nonmemory_operand): New predicate.
8832         * config/stormy16/stormy16-protos.h:
8833         (xstormy16_carry_plus_operand): Delete prototype.
8834         (xs_hi_general_operand): Likewise.
8835         (xs_hi_nonmemory_operand): Likewise.
8836
8837         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
8838         modifiers as they are no longer needed and they can trigger
8839         reload spill failures.
8840
8841         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
8842         with a match_operand in order to help reload.
8843
8844         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
8845         constraint with 'e' for the 8th alternative as this version of
8846         the mov.w instruction only accepts the lower 8 registers.
8847
8848 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
8849
8850         PR target/34856
8851         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
8852         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
8853         vector elements.
8854
8855 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8856
8857         PR middle-end/33333
8858         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
8859
8860 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8861
8862         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
8863         New functions.
8864         (remove_structure): Update allocations list before removing structure.
8865
8866 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8867
8868         * ipa-struct-reorg.c (is_safe_cond_expr,
8869         create_new_stmts_for_cond_expr): Use integer_zerop function,
8870         that recognize not only zero-pointer, but zero-integer too.
8871
8872 2008-01-25  Ben Elliston  <bje@au.ibm.com>
8873
8874         PR other/22232
8875         * fixproto: Escape "." in sed expression that strips leading "./".
8876
8877 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
8878
8879         PR driver/34904
8880         * gcc.c (SWITCH_OK): Removed.
8881         (SWITCH_LIVE): Changed to bit.
8882         (SWITCH_FALSE): Likewise.
8883         (SWITCH_IGNORE): Likewise.
8884         (switchstr): Change live_cond to unsigned int.
8885         (process_command): Replace SWITCH_OK with 0.
8886         (do_self_spec): Likewise.
8887         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
8888         (give_switch): Likewise.
8889         (used_arg): Likewise.
8890         (do_spec_1): Set the SWITCH_IGNORE bit.
8891         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
8892         bits.  Set the SWITCH_LIVE bit.
8893
8894 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8895
8896         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
8897
8898 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
8899
8900         PR tree-optimization/34472
8901         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
8902         parameter to a "bool *" and set *DATA to false if there is
8903         an unsafe access.  Do not delete the structure here.
8904         (check_cond_exprs): Delete it here instead.
8905         (check_cond_exprs, exclude_cold_structs): Do not increase
8906         I when removing a structure.
8907
8908 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
8909
8910         PR target/34856
8911         * config/i386/i386.c (ix86_expand_vector_init): Consider only
8912         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
8913
8914 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
8915
8916         PR middle-end/34934
8917         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
8918         a fixed vector for stack.
8919
8920 2008-01-24  Ben Elliston  <bje@au.ibm.com>
8921
8922         PR c++/25701
8923         * doc/gcc.texi (Software development): Add a direntry for g++.
8924
8925 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
8926
8927         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
8928         stale and straggling -fforce-addr comments above.
8929
8930         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
8931         define.
8932         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
8933         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
8934
8935 2008-01-23  Michael Matz  <matz@suse.de>
8936
8937         PR debug/34895
8938         * dwarf2out.c (force_type_die): Use modified_type_die instead of
8939         gen_type_die.
8940
8941 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
8942
8943         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
8944         malloc result type.
8945
8946 2008-01-23 Anatoly Sokolov <aesok@post.ru>
8947
8948         * config/avr/avr.c (avr_current_arch): New variable.
8949         (avr_arch_types): Add 'avr31' and 'avr51' entries.
8950         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
8951         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
8952         (avr_override_options): Init 'avr_current_arch'.
8953         (base_arch_s): Move from here...
8954         * config/avr/avr.h (base_arch_s): ... here. Add new members
8955         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
8956         'mega' to 'have_jmp_call'.
8957         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
8958         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
8959         macros.
8960         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
8961         architectures.
8962         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
8963         MULTILIB_MATCHES): (Ditto.).
8964
8965 2008-01-23  Richard Guenther  <rguenther@suse.de>
8966
8967         PR middle-end/31529
8968         * cgraphunit.c (cgraph_reset_node): Always mark the node
8969         not reachable if it is not queued already.
8970
8971 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8972
8973         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
8974         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
8975         (cputype_selected): New static variable.
8976         (bfin_handle_option): Set it if -mcpu is used.
8977         (override_option): Select default set of workarounds if no cpu type
8978         selected on the command line.
8979         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
8980
8981         From  Michael Frysinger  <michael.frysinger@analog.com>
8982         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
8983         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
8984
8985         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
8986         for bf547, bf523, bf524, and bf526.
8987         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
8988         bf526.
8989         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8990         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
8991         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
8992         __ADSPBF547__ and __ADSPBF54x__ for bf547.
8993         * doc/invoke.texi (Blackfin Options): Document that
8994         -mcpu now accept bf547, bf523, bf524, and bf526.
8995
8996 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
8997
8998         PR rtl-optimization/34628
8999         * combine.c (try_combine): Stop and undo after the first combination
9000         if an autoincrement side-effect on the first insn has effectively
9001         been lost.
9002
9003 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9004
9005         PR target/34529
9006         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9007         Offset addresses are not valid for Altivec or paired float modes.
9008
9009 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9010
9011         PR c++/34607
9012         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9013         if DECL_INITIAL (decl) is error_mark_node.
9014
9015         PR c++/34914
9016         * c-common.c (handle_vector_size_attribute): Only allow
9017         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9018         the same way as pointer, array etc. types.
9019         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9020
9021         PR c++/34917
9022         * tree.c (build_type_attribute_qual_variant): Call
9023         build_qualified_type if attributes are equal, but quals are not.
9024
9025 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9026
9027         PR 32102
9028         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9029         * flags.h (warn_strict_aliasing): Remove.
9030         (warn_strict_overflow): Remove.
9031         * opts.c (warn_strict_aliasing): Remove.
9032         (warn_strict_overflow): Remove.
9033         * c-opts.c (c_common_handle_option): -Wall only sets
9034         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9035         (c_common_post_options): Give default values to -Wstrict-aliasing
9036         and -Wstrict-overflow if they are uninitialized.
9037         * common.opt (Wstrict-aliasing): Specify Var and Init.
9038         (Wstrict-overflow): Likewise.
9039
9040 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9041
9042         PR rtl-optimization/26854
9043         PR rtl-optimization/34400
9044         PR rtl-optimization/34884
9045         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9046         DF_RD->gen.
9047         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9048         (df_rd_bb_info.expanded_lr_out): Deleted
9049         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9050         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9051         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9052         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9053         Removed code to allocate, initialize or free expanded_lr_out.
9054         (df_rd_bb_local_compute_process_def): Restructured to make more
9055         understandable.
9056         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9057         sets if the sets are being trimmed.
9058
9059 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9060
9061         PR bootstrap/32287
9062         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9063         (as_vers): Likewise.
9064         * configure: Regenerated.
9065
9066 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9067
9068         PR middle-end/33092
9069         * tree-pass.h (pass_build_alias): New pass.
9070         * tree-ssa-alias.c (gate_build_alias): New.
9071         (pass_build_alias): New.
9072         * passes.c (init_optimization_passes): Add pass_build_alias after
9073         pass_create_structure_vars.
9074
9075 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9076
9077         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9078         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9079         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9080         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9081         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9082         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9083         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9084         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9085         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9086         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9087         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9088         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9089         * config/s390/s390.md (FP_ALL): New mode iterator.
9090         (_d): New mode attribute.
9091         ("*signbit<mode>2>"): Changed mode of first operand.
9092         ("isinf<mode>2"): Changed mode of first operand.
9093         ("*TDC_insn"): Adaptation for DFP modes.
9094
9095 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9096
9097         * tree.c (check_qualified_type): Improve function description.
9098
9099 2008-01-21  Jason Merrill  <jason@redhat.com>
9100
9101         PR c++/34196
9102         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9103         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9104         if it is set.
9105
9106 2008-01-21  DJ Delorie  <dj@redhat.com>
9107
9108         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9109         return zero.
9110
9111 2008-01-21  Richard Guenther  <rguenther@suse.de>
9112
9113         PR middle-end/34856
9114         * tree-cfg.c (verify_expr): Allow all invariant expressions
9115         instead of just constant class ones as reference argument.
9116         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9117         like any other constant.
9118         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9119
9120 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9121
9122         * regmove.c (fixup_match_1): Update call crossed frequencies.
9123
9124 2008-01-21  Richard Guenther  <rguenther@suse.de>
9125
9126         PR c/34885
9127         * tree-inline.c (setup_one_parameter): Deal with mismatched
9128         types using a VIEW_CONVERT_EXPR.
9129
9130 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9131             Olga Golovanevsky  <olga@il.ibm.com>
9132
9133         PR tree-optimization/34701
9134         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9135         when the structure size is not a power of 2.
9136
9137 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9138
9139         * doc/install.texi: Add doc for --enable-checking=df.
9140
9141 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9142
9143         PR rtl-optimization/34808
9144         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9145
9146 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9147
9148         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9149         input.
9150
9151 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9152
9153         PR rtl-optimization/26854
9154         PR rtl-optimization/34400
9155         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9156         DF_RD->gen.
9157         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9158         (df_rd_bb_info.expanded_lr_out): New.
9159         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9160         * loop_iv.c (iv_analysis_loop_init): Ditto.
9161         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9162         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9163         Added code to allocate, initialize or free expanded_lr_out.
9164         (df_rd_bb_local_compute_process_def): Restructured to make
9165         more understandable.
9166         (df_rd_confluence_n): Add code to do nothing with fake edges and
9167         code to no apply invalidate_by_call sets if the sets are being trimmed.
9168         (df_lr_local_finalize): Renamed to df_lr_finalize.
9169         (df_live_local_finalize): Renamed to df_live_finalize.
9170
9171 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9172
9173         PR target/34831
9174         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9175         deciding whether to use reciprocal instructions.
9176
9177 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9178
9179         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9180         dwarf2out_note_section_used if cold_text_section is NULL.
9181
9182 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9183
9184         PR gcov-profile/34610
9185         * tree-cfg.c (make_edges): Mark both outgoing edges from
9186         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9187         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9188         from OMP_FOR and OMP_CONTINUE outgoing edges.
9189
9190         * tree-profile.c (tree_profiling): Return early if
9191         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9192         at the end.
9193         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9194         from cfun to child_cfun.
9195         * function.h (struct function): Add after_tree_profile bit.
9196
9197 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9198
9199         * config/avr/avr.S (_exit): Disable interrupt.
9200
9201 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9202             Steven Bosscher  <stevenb.gcc@gmail.com>
9203
9204         PR rtl-optimization/26854
9205         PR rtl-optimization/34400
9206         * df-problems.c (df_live_scratch): New scratch bitmap.
9207         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9208         (df_live_reset): Clear the proper bitmaps.
9209         (df_live_bb_local_compute): Only process the artificial defs once
9210         since the order is not important.
9211         (df_live_init): Init the df_live sets only with the variables
9212         found live by df_lr.
9213         (df_live_transfer_function): Use the df_lr sets to prune the
9214         df_live sets as they are being computed.
9215         (df_live_free): Free df_live_scratch.
9216
9217 2008-01-18  Ian Lance Taylor  <iant@google.com>
9218
9219         * common.opt: Add fmerge-debug-strings.
9220         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9221         flag_merge_debug_strings rather than flag_merge_constants.
9222         * doc/invoke.texi (Option Summary): Mention
9223         -fmerge-debug-strings.
9224         (Debugging Options): Document -fmerge-debug-strings.
9225
9226 2008-01-18  Ian Lance Taylor  <iant@google.com>
9227
9228         PR c++/33407
9229         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9230         (struct tree_function_decl): Add new field operator_new_flag.
9231         * tree-inline.c (expand_call_inline): When inlining a call to
9232         operator new, force the return value to go into a variable, and
9233         set DECL_NO_TBAA_P on that variable.
9234         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9235
9236 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9237
9238         PR debug/34484
9239         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9240         DWARF2_DEBUGGING_INFO.
9241         (dwarf2out_note_section_used): Ditto.  Add prototype.
9242         (have_multiple_function_sections, text_section_used,
9243         cold_text_section_used, *cold_text_sections): Move declarations
9244         before their uses.
9245
9246 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9247
9248         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9249         field and add signal_ra.
9250         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9251         assignments to frame state pc.  Move end of stack check after
9252         MD_FALLBACK_FRAME_STATE_FOR.
9253         (uw_update_context_1): Use frame state signal_regs if set, instead
9254         of checking signal_frame flag.
9255         (uw_update_context): Use frame state signal_ra if set.
9256         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9257         * config/xtensa/linux-unwind.h: New file.
9258
9259 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9260
9261         * modulo-sched.c (get_sched_window): Fix comment typo.
9262
9263 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9264
9265         PR tree-optimization/34648
9266         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9267
9268 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9269
9270         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9271         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9272
9273 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9274
9275         PR rtl-optimization/34400
9276         * df-core.c (df_worklist_dataflow_overeager,
9277         df_worklist_dataflow_doublequeue): New functions.
9278         (df_worklist_dataflow): Two different worklist solvers.
9279         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9280         New param.
9281
9282 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9283
9284         PR testsuite/34821
9285         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9286         and ftree-parallelize-loops.
9287
9288 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9289
9290         PR rtl-optimization/34826
9291         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9292
9293 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9294
9295         * global.c (find_reg): Mark the eh regs as used if necessary.
9296         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9297         * ra.h (struct allocno): no_eh_reg field added.  Changed
9298         no_stack_reg type to bitfield.
9299
9300 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9301
9302         * tree.c (substitute_in_expr): Add missing 'break'.
9303
9304 2008-01-17  Richard Guenther  <rguenther@suse.de>
9305
9306         PR tree-optimization/34825
9307         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9308         x / x as division to handle.
9309
9310 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9311
9312         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9313         "-pthread" is specified.
9314         * pa-hpux11.h (LIB_SPEC): Likewise.
9315
9316 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9317             Peter Bergner  <bergner@vnet.ibm.com>
9318
9319         PR rtl-optimization/33796
9320         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9321
9322 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9323
9324         PR libgfortran/34699
9325         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9326         static links.
9327         * pa-hpux10.h (LINK_SPEC): Likewise.
9328         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9329
9330 2008-01-16  Richard Guenther  <rguenther@suse.de>
9331
9332         PR middle-end/32628
9333         * fold-const.c (fold_convert_const_int_from_int): Do not
9334         set overflow if that occured only because of a sign extension
9335         change when converting from/to a sizetype with the same
9336         precision and signedness.
9337
9338 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9339
9340         PR debug/34249
9341         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9342         location address to the correct place.  Update copyright year.
9343
9344 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9345
9346         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9347         no dependences in the dependence_relations vector.
9348
9349 2008-01-16  Jan Hubicka  <jh@suse.cz>
9350
9351         PR rtl-optimization/31396
9352         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9353         * cfg.c (dump_reg_info): Print it.
9354         * regs.h (struct reg_info_t): add freq_calls_crossed.
9355         (REG_FREQ_CALLS_CROSSED): New macro.
9356         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9357         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9358         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9359         regmove_optimize): Update call crossed frequencies.
9360         * local-alloc.c (struct qty): Add freq_calls_crossed.
9361         (alloc_qty): Copute freq_calls_crossed.
9362         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9363         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9364         * ra.h (struct allocno): Add freq_calls_crossed.
9365
9366 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9367
9368         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9369         libgomp when compiling with ftree-parallelize-loops.
9370         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9371
9372 2008-01-16  Richard Guenther  <rguenther@suse.de>
9373
9374         PR tree-optimization/34769
9375         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9376         * tree.c (int_cst_value): Instead make this function more
9377         permissive in what it accepts as valid input.  Document this
9378         function always sign-extends the value.
9379
9380 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9381             Richard Guenther  <rguenther@suse.de>
9382
9383         PR c/34668
9384         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9385         (gimple_fold_indirect_ref_rhs): ... this.
9386         (gimple_fold_indirect_ref): New function with foldings
9387         that preserve lvalueness.
9388         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9389         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9390         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9391         to fold an INDIRECT_REF, fall back to the old use of
9392         fold_indirect_ref_1.
9393
9394 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9395
9396         * tree-data-ref.c (subscript_dependence_tester_1): Call
9397         free_conflict_function.
9398         (compute_self_dependence): Same.
9399
9400 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9401
9402         PR debug/34249
9403         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9404         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9405         function global.
9406         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9407         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9408         for DWARF2_UNWIND_INFO targets.
9409
9410 2008-01-16  Richard Guenther  <rguenther@suse.de>
9411
9412         PR c/34768
9413         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9414         type qualifiers for function types.
9415
9416 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9417
9418         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9419         loop_iterator li from previous commit.
9420
9421 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9422
9423         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9424
9425 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9426
9427         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9428         (parallelize_loops): Don't parallelize irreducible components.
9429
9430 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9431
9432         PR c++/24924
9433         * c-opts (c_common_post_options): Do not enable CPP
9434         flag_pedantic_errors by default.
9435
9436 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9437
9438         PR rtl-optimization/31944
9439         * cse.c (remove_pseudo_from_table): New function.
9440         (merge_equiv_classes): Use above function to remove pseudo-registers.
9441         (invalidate): Likewise.
9442
9443 2008-01-13  Richard Guenther  <rguenther@suse.de>
9444
9445         PR middle-end/34601
9446         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9447         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9448
9449 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9450
9451         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9452         validate_change to unshare the source of the PC set.
9453
9454 2008-01-12  Jan Hubicka  <jh@suse.cz>
9455
9456         PR middle-end/32135
9457         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9458         references above array bounds.  This might trigger bounds checks for
9459         pointers to arrays.
9460
9461 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9462
9463         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9464         new_replaceable_dependencies.
9465
9466 2008-01-12  Doug Kwan  <dougkwan@google.com>
9467
9468         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9469         instead of OPT_Wreturn_type in warning due to ignored return type
9470         qualifiers.
9471         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9472         options included in -Wextra.
9473         * c.opt: New option -Wignored_qualifiers.
9474         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9475         -Wignore_qualifiers.
9476         (-Wignored-qualifiers): Document.
9477         (-Wreturn-type): Remove description of functionality now handled
9478         by -Wignored-qualifiers.
9479
9480 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9481
9482         PR ada/33788
9483         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9484         NOP_EXPR if it is between integral types with the same precision.
9485
9486 2008-01-12  Jan Hubicka  <jh@suse.cz>
9487
9488         PR other/28023
9489         * invoke.texi (max-inline-recursive-depth): Fix default value.
9490
9491 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9492
9493         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9494         correct type.
9495
9496 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9497
9498         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9499
9500 2008-01-11  James E. Wilson  <wilson@specifix.com>
9501
9502         PR target/26015
9503         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9504
9505 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9506
9507         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
9508         save/restore frame pointer register and don't use 'call-prologues'
9509         optimization in function with "OS_task" attribute.
9510
9511 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9512
9513         PR middle-end/31309
9514         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9515         when copying to memory.
9516
9517 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9518
9519         PR rtl-optimization/30905
9520         * cfgcleanup.c: Include dce.h
9521         (crossjumps_occured): New global variable.
9522         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9523         If something changed, set crossjumps_occured to true.
9524         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9525         Don't add/remove fake edges to exit here...
9526         (cleanup_cfg): ...but do it here, when crossjumping.
9527         Run a fast DCE when successful crossjumps occured in the latest
9528         iteration of try_optimize_cfg.
9529
9530 2008-01-11  Richard Guenther  <rguenther@suse.de>
9531
9532         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9533         (struct vn_unary_op_s): Likewise.
9534         (vn_reference_insert): Free old reference on hash collision.
9535
9536 2008-01-10  Raksit Ashok  <raksit@google.com>
9537
9538         PR rtl-optimization/27971
9539         * combine.c (find_split_point): Split PLUS expressions which are
9540         inside a MEM rtx, and whose first operand is complex.
9541
9542 2008-01-10  DJ Delorie  <dj@redhat.com>
9543
9544         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9545         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9546         (m32c_hard_regno_ok): Call the underlying function.
9547
9548 2008-01-10  Richard Guenther  <rguenther@suse.de>
9549
9550         PR middle-end/34683
9551         * tree-cfg.c (tree_merge_blocks): Do not go through the
9552         full-blown folding and stmt updating path if we just deal
9553         with virtual operands.
9554         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9555         test for abnormal SSA_NAMEs.
9556
9557 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9558
9559         PR middle-end/34641
9560         * reload.c (push_reload): Add assertions.  All constants from
9561         reg_equiv_constant should have been used for replacing the respective
9562         pseudo earlier.
9563         (find_reloads_address): Invoke find_reloads_address_part for
9564         constant taken from the reg_equiv_constant array.
9565
9566 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9567
9568         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9569         field (valnum) the first in the struct.  Replace bools with
9570         unit bit fields.
9571
9572 2008-01-10  Richard Guenther  <rguenther@suse.de>
9573
9574         PR tree-optimization/34651
9575         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9576         types and ordering for masking and converting.
9577
9578 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9579
9580         PR tree-optimization/34017
9581         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9582         also for PHI_NODE expressions.
9583
9584 2008-01-09  Jan Hubicka  <jh@suse.cz>
9585
9586         PR tree-optimization/34708
9587         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9588         based on number of case labels.
9589         (init_inline_once): Remove switch_cost.
9590         * tree-inline.h (eni_weights_d): Remove switch_cost.
9591
9592 2008-01-09  Richard Guenther  <rguenther@suse.de>
9593         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9594
9595         PR middle-end/30132
9596         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9597         temporary if an rvalue is ok or an lvalue is not required.
9598
9599 2008-01-09  Richard Guenther  <rguenther@suse.de>
9600
9601         PR middle-end/34458
9602         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9603         adjust return type.
9604
9605 2008-01-09  Richard Guenther  <rguenther@suse.de>
9606
9607         PR middle-end/34679
9608         * tree.c (host_integerp): Check for sizetype only if the
9609         type is an integer type.
9610
9611 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9612
9613         PR debug/26364
9614         * opts.c (decode_options): Disable inlining of functions called
9615         once if not in unit-at-a-time mode.
9616
9617 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9618
9619         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9620
9621 2008-01-08  Richard Guenther  <rguenther@suse.de>
9622
9623         PR middle-end/31863
9624         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9625         out early if the result will be unused.
9626
9627 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9628
9629         PR target/34709
9630         Revert:
9631
9632         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9633         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9634         for TARGET_RECIP.
9635
9636 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9637
9638         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9639         for vectorization tuned.
9640
9641 2008-01-08  Richard Guenther  <rguenther@suse.de>
9642
9643         PR tree-optimization/34683
9644         * tree-ssa-operands.c (operand_build_cmp): Export.
9645         * tree-ssa-operands.h (operand_build_cmp): Declare.
9646         * tree-vn.c (vuses_compare): Remove.
9647         (sort_vuses): Use operand_build_cmp.
9648         (sort_vuses_heap): Likewise.
9649         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9650         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9651         (vdefs_to_vec): Do not sort already sorted VDEFs.
9652
9653 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9654
9655         PR middle-end/34694
9656         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9657
9658 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9659
9660         PR target/34702
9661         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9662         limitations of reciprocal sequences on x86 targets.
9663
9664 2008-01-08  Richard Guenther  <rguenther@suse.de>
9665
9666         PR tree-optimization/34683
9667         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9668
9669 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9670
9671         PR target/34622
9672         * config/darwin.c (darwin_mergeable_string_section): Don't use
9673         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9674
9675 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9676
9677         PR target/34682
9678         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9679         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9680         predicates of op0 and op1 to register_operand.
9681         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9682         expander using X87MODEF mode iterator.  Change predicates of
9683         op0 and op1 to register_operand.
9684         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9685         corresponding patterns and macroize using MODEF macro.  Change
9686         predicates of op0 and op1 to register_operand and remove
9687         "m" constraint. Disparage "r" alternative with "!".
9688         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9689         macroize using X87MODEF macro.  Change predicates of op0 and op1
9690         to register_operand and remove "m" constraint.  Disparage "r"
9691         alternative with "!".
9692         (absneg splitter with memory operands): Remove.
9693         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9694         patterns and macroize using X87MODEF mode iterator.
9695         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9696         Change predicate of op1 to register_operand.
9697         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9698         for memory operands.
9699
9700 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9701
9702         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9703
9704 2008-01-07  Richard Guenther  <rguenther@suse.de>
9705
9706         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
9707         fields.
9708
9709 2008-01-07  Richard Guenther  <rguenther@suse.de>
9710
9711         PR tree-optimization/34683
9712         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
9713         VOPs of the needed size to save memory.  Use VEC_quick_push
9714         to save compile-time.
9715         (vdefs_to_vec): Likewise.
9716
9717 2008-01-07  Sa Liu  <saliu@de.ibm.com>
9718
9719         * config/spu/spu.md (divdf3): Genetate inline code for double
9720         division.  The implementation doesn't handle INF or NAN, therefore it
9721         only applies when -ffinite-math-only is given.
9722
9723 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
9724
9725         PR libstdc++/34680
9726         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
9727         * doc/cpp.texi ([Common Predefined Macros]): Document.
9728
9729 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
9730
9731         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
9732         order to use commutative addition instead of subtraction.
9733
9734 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9735             Mircea Namolaru  <namolaru@il.ibm.com>
9736             Vladimir Yanovsky  <yanov@il.ibm.com>
9737             Revital Eres  <eres@il.ibm.com>
9738
9739         PR tree-optimization/34263
9740         * tree-outof-ssa.c (process_single_block_loop_latch,
9741         contains_tree_r): New functions.
9742         (analyze_edges_for_bb): Call process_single_block_loop_latch
9743         function to empty single-basic-block latch block if possible.
9744
9745 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9746
9747         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9748         for TARGET_RECIP.
9749         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
9750
9751 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9752
9753         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
9754
9755 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9756
9757         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
9758
9759 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
9760
9761         PR tree-optimization/34618
9762         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
9763         flag from T.
9764
9765 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9766
9767         PR target/34673
9768         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
9769         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
9770         Update copyright year.
9771
9772         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
9773         Update copyright year.
9774         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
9775         using NR fixup.
9776
9777 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
9778
9779         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
9780         edge does not point to current bb before changing need_assert.
9781
9782 2008-01-04  Richard Guenther  <rguenther@suse.de>
9783
9784         PR middle-end/34029
9785         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
9786         for verifying purposes if they are is_gimple_min_invariant.
9787
9788 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
9789
9790         PR tree-optimization/34448
9791         PR tree-optimization/34465
9792         * gimplify.c (gimplify_init_constructor): Add new parameter
9793         notify_temp_creation.  Use it.
9794         (gimplify_modify_expr_rhs): Take volatiles into account when
9795         optimizing constructors.
9796         Do not optimize constructors if gimplify_init_constructor will dump to
9797         memory.
9798         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
9799         * gcc.c-torture/compile/pr34448.c: New.
9800
9801 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
9802
9803         PR gcov-profile/34609
9804         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
9805         return_slot if result is TREE_ADDRESSABLE.
9806
9807 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
9808
9809         * config/mips/mips.md (sqrt_condition): Tweak comment.
9810         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
9811
9812 2008-01-03  Tom Tromey  <tromey@redhat.com>
9813
9814         PR c/34457
9815         * c-common.c (c_type_hash): Handle VLAs.
9816
9817 2008-01-03  Jan Hubicka  <jh@suse.cz>
9818
9819         PR tree-optimization/31081
9820         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
9821         0 when inlining and not inlining to first basic block.
9822         (remap_decl): When var is initialized to 0, don't set default_def.
9823         (expand_call_inline): Set entry_bb.
9824         * tree-inline.h (copy_body_data): Add entry_bb.
9825
9826 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9827
9828         PR c++/34619
9829         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
9830         before returning.
9831
9832         PR tree-optimization/29484
9833         * tree-inline.c (inline_forbidden_p_2): New function.
9834         (inline_forbidden_p): Disallow inlining if some static var
9835         has an address of a local LABEL_DECL in its initializer.
9836         * doc/extend.texi (Labels as Values): Document &&foo behaviour
9837         vs. inlining.
9838
9839 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
9840
9841         PR tree-optimization/34635
9842         * tree-data-ref.c (add_other_self_distances): Make sure that the
9843         evolution step is constant.
9844
9845 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9846
9847         PR middle-end/34608
9848         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
9849
9850 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
9851
9852         * tree-sra.c (scalarize_init): Insert the generate_element_init
9853         statements after the generate_element_zero statements.
9854
9855 2008-01-02  Richard Guenther  <rguenther@suse.de>
9856
9857         PR middle-end/34093
9858         PR middle-end/31976
9859         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
9860         for very large number of operands instead of ICEing.
9861
9862 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
9863
9864         PR target/34013
9865         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
9866         while stack probing.
9867
9868 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
9869
9870         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
9871         in C++0x mode.
9872
9873 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
9874
9875         PR libmudflap/26442
9876         * tree-mudflap.c (mx_register_decls): Guard warning by
9877         !DECL_ARTIFICIAL check.
9878
9879 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
9880
9881         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
9882         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
9883         sse5_perm<mode>): Fix constraints.