gcc/ChangeLog

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