gcc/ChangeLog

   1 2007-09-04  Paolo Bonzini  <bonzini@gnu.org>
   2
   3         * simplify-rtx.c (comparison_result): New.
   4         (simplify_const_relational_operation): Use it instead of the five
   5         "equal|op[01]ltu?" variables; consequently remove redundant "else"s.
   6         Improve bounds-checking optimizations; remove subsumed POPCOUNT
   7         optimizations.  Extract nonzero_address_p optimizations into a
   8         separate "if" together with optimizations where op1 is const0_rtx.
   9         Optimize comparing an IOR with zero.  Simplify op0 RELOP op0 for
  10         floating-point arguments too when appropriate.  Hoist test for ABS
  11         outside the final switch statement.
  12         * cse.c (fold_rtx): Don't look for an IOR equivalent of
  13         folded_arg0 if we found a constant equivalent.  Remove
  14         transformations done in simplify-rtx.c for "op0 RELOP op0".
  15
  16 2007-09-27  Jakub Jelinek  <jakub@redhat.com>
  17
  18         * builtins.c (expand_builtin, expand_builtin_object_size,
  19         expand_builtin_memory_chk, maybe_emit_chk_warning,
  20         maybe_emit_sprintf_chk_warning): Use new %K format string specifier
  21         for diagnostics.
  22         * expr.c (expand_expr_real_1): Likewise.
  23         * langhooks-def.h (struct diagnostic_info): Add forward decl.
  24         (lhd_print_error_function): Add third argument.
  25         * langhooks.h (struct diagnostic_info): Add forward decl.
  26         (struct lang_hooks): Add third argument to print_error_function.
  27         * diagnostic.h (diagnostic_info): Add abstract_origin field.
  28         (diagnostic_last_function_changed, diagnostic_set_last_function): Add
  29         second argument.
  30         (diagnostic_report_current_function): Likewise.
  31         * toplev.c (announce_function): Pass NULL as second argument to
  32         diagnostic_set_last_function.
  33         * diagnostic.c (diagnostic_report_current_function): Add second
  34         argument, pass it as third argument to lang_hooks.print_error_function.
  35         (default_diagnostic_starter): Pass DIAGNOSTIC as second argument
  36         to diagnostic_report_current_function.
  37         (diagnostic_report_diagnostic): Initialize diagnostic->abstract_origin
  38         and message.abstract_origin.
  39         (verbatim): Initialize abstract_origin.
  40         * pretty-print.h (text_info): Add abstract_origin field.
  41         * pretty-print.c (pp_base_format): Handle %K.
  42         * langhooks.c (lhd_print_error_function): Add third argument.  If
  43         diagnostic->abstract_origin, print virtual backtrace.
  44         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
  45         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Support %K.
  46         (init_dynamic_diag_info): Likewise.
  47
  48 2007-09-26  David Daney  <ddaney@avtrex.com>
  49
  50         PR target/33479
  51         * config/mips/mips.md (sync_compare_and_swap<mode>, sync_old_add<mode>,
  52         sync_new_add<mode>, sync_old_<optab><mode>, sync_new_<optab><mode>,
  53         sync_old_nand<mode>, sync_new_nand<mode>,
  54         sync_lock_test_and_set<mode>): Fix '&' constraint modifiers.
  55         Update length attributes.
  56         (sync_add<mode>, sync_sub<mode>, sync_old_sub<mode>,
  57         sync_new_sub<mode>, sync_<optab><mode>, sync_nand<mode>): Update
  58         length attributes.
  59         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP,
  60         MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND,
  61         MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Add
  62         post-loop sync.
  63
  64 2007-09-26  Richard Guenther  <rguenther@suse.de>
  65
  66         PR tree-optimization/33563
  67         * tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
  68         (get_kill_of_stmt_lhs): ... this.  Re-structure.  Handle
  69         aggregate stores.
  70         (dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
  71         get_use_of_stmt_lhs.
  72
  73 2007-09-26  Joseph Myers  <joseph@codesourcery.com>
  74
  75         PR c/25309
  76         * c-common.c (complete_array_type): Diagnose too-large arrays and
  77         set type to error_mark_node.
  78
  79 2007-09-26  Richard Guenther  <rguenther@suse.de>
  80
  81         PR tree-optimization/30375
  82         PR tree-optimization/33560
  83         * tree-ssa-dse.c (get_use_of_stmt_lhs): Give up on uses
  84         with calls.
  85
  86         Revert
  87         2006-05-22  Aldy Hernandez  <aldyh@redhat.com>
  88
  89         * tree-ssa-dse.c (aggregate_vardecl_d): New.
  90         (dse_global_data): Add aggregate_vardecl field.
  91         (dse_possible_dead_store_p): New.
  92         Add prev_defvar variable.
  93         Allow immediate uses and previous immediate uses to differ
  94         if they are setting different parts of the whole.
  95         (get_aggregate_vardecl): New.
  96         (dse_record_partial_aggregate_store): New.
  97         (dse_whole_aggregate_clobbered_p): New.
  98         (dse_partial_kill_p): New.
  99         Call dse_maybe_record_aggregate_store().
 100         When checking whether a STMT and its USE_STMT refer to the
 101         same memory address, check also for partial kills that clobber
 102         the whole.
 103         Move some variable definitions to the block where they are used.
 104         (aggregate_vardecl_hash): New.
 105         (aggregate_vardecl_eq): New.
 106         (aggregate_vardecl_free): New.
 107         (aggregate_whole_store_p): New.
 108         (tree_ssa_dse): Initialize and free aggregate_vardecl.
 109         Mark which aggregate stores we care about.
 110
 111 2007-09-25  DJ Delorie  <dj@redhat.com>
 112
 113         PR target/33551
 114         * config/m32c/m32c.c (m32c_immd_dbl_mov): Use INTVAL instead of
 115         XINT.
 116
 117 2007-09-25  Michael Meissner  <michael.meissner@amd.com>
 118
 119         PR c/33524
 120         * config/i386/i386.c (ix86_expand_sse5_unpack): Change to call
 121         gen_sse5_pperm_sign_v4si_v2di and gen_sse5_pperm_zero_v4si_v2di
 122         for vector int32 -> int64 conversions.  Don't write beyond the end
 123         of the allocated vector for int32 -> int64 conversions.
 124
 125 2007-09-25  Revital Eres  <eres@il.ibm.com>
 126
 127         * config/rs6000/paired.h (paired_sel): New.
 128         * config/rs6000/rs6000.c (bdesc_3arg): Add selv2sf4.
 129         (rs6000_expand_ternop_builtin): Pass zero const_double operand
 130         when expanding selv2sf.
 131         * config/rs6000/rs6000.h (rs6000_builtins): Add
 132         PAIRED_BUILTIN_SELV2SF4.
 133
 134 2007-09-25  Joseph Myers  <joseph@codesourcery.com>
 135
 136         PR c/32295
 137         * c-typeck.c (default_conversion): Call require_complete_type
 138         before perform_integral_promotions.
 139         (build_unary_op): Call require_complete_type except for ADDR_EXPR.
 140         (build_c_cast): Call require_complete_type except for casts to
 141         void types.
 142         (convert_for_assignment): Call require_complete_type.
 143
 144 2007-09-25  Revital Eres  <eres@il.ibm.com>
 145
 146         * config/spu/spu.md: Fix doloop pattern.
 147
 148 2007-09-25  Bernd Schmidt  <bernd.schmidt@analog.com>
 149
 150         * config/bfin/bfin.c (expand_prologue_reg_save,
 151         expand_epilogue_reg_restore): Code to save and restore I/M/B/L regs and
 152         ASTAT moved here...
 153         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
 154         ... from here.  New argument ALL; callers changed.
 155         (n_regs_saved_by_prologue): Count ASTAT for plain saveall functions.
 156         (bfin_expand_prologue, bfin_expand_epilogue): Deal with functions that
 157         have the "saveall" attribute.
 158
 159 2007-09-25  Hans-Peter Nilsson  <hp@bitrange.com>
 160
 161         * config/mmix/mmix.h (FUNCTION_INCOMING_ARG_REGNO_P): Don't define
 162         bogus target macro.
 163         (INCOMING_REGNO, OUTGOING_REGNO): Define.
 164         * config/mmix/mmix.c (mmix_opposite_regno): New function.
 165         * config/mmix/mmix-protos.h (mmix_opposite_regno): Prototype.
 166
 167         * config/mmix/mmix.md ("*cmpcc_folded"): In condition, gate
 168         with REG_P tests before REGNO access.
 169
 170 2007-09-24  DJ Delorie  <dj@redhat.com>
 171
 172         PR target/31482
 173         * config/m32c/cond.md (stzx_reversed_<mode>): Add an output
 174         constraint.
 175         (movqicc_<code>_<mode>): Likewise.
 176         (movhicc_<code>_<mode>): Likewise.
 177
 178 2007-09-24  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 179
 180         PR target/33184
 181         * config/m32c/m32c.c (m32c_eh_return_data_regno): Leave an address
 182         register for reload.
 183
 184 2007-09-24  Danny Smith  <dannysmith@user.sourceforge.net>
 185
 186         PR c++/14688
 187         * config/i386/i386.c (ix86_comp_type_attributes): Check
 188         METHOD_TYPE too.
 189
 190 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 191
 192         * config/m68k/m68k.h (ASM_OUTPUT_ALIGN_WITH_NOP): New, use
 193         "move.l %a4,%a4" to produce nops.
 194         * config/m68k/m68k.c (override_options): Reset align options,
 195         if neccessary align macro isn't avaible.
 196
 197 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 198
 199         config/m68k/linux.h (PREFERRED_STACK_BOUNDARY): New.
 200
 201 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 202
 203         * config/m68k/m68k.c (strict_low_part_peephole_ok): Don't leave
 204         the basic block.
 205         * config/m68k/m68k.md (movsi_m68k): Allow certain constant when
 206         reload is completed.
 207         (peephole pattern): Convert most of them to RTL peephole pattern.
 208
 209 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 210
 211         * config/m68k/m68k.c (notice_update_cc): Recognize fp compare
 212         (moved from fp compare patterns).
 213         * config/m68k/m68k.md (cmp<mode>, cmp<mode>_68881, cmp<mode>_cf):
 214         Cleanup predicates to relieve reload.
 215         (conditional_trap): Reject conditional trap with fp condition.
 216         * gcc/config/m68k/predicates.md (fp_src_operand): New, reject
 217         certain constants early.
 218
 219 2007-09-24  Roman Zippel <zippel@linux-m68k.org>
 220
 221         * gcc/final.c (final_scan_insn): Remove accidentally duplicated code.
 222
 223 2007-09-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 224
 225         * config.gcc (powerpc*-*-*): --with-cpu=cell is a 64bit CPU.
 226         Allow --with-tune=cell and --with-cpu=cell.
 227
 228 2007-09-24  David Edelsohn  <edelsohn@gnu.org>
 229
 230         * config/rs6000/rs6000-protos.h (rs6000_emit_swrsqrtsf): Declare.
 231         * config/rs6000/rs6000.opt (swdiv): Change option to ...
 232         (recip): this.
 233         * config/rs6000/rs6000.c (rs6000_builtin_reciprocal): New
 234         function.
 235         (TARGET_BUILTIN_RECIPROCAL): Use it.
 236         (rs6000_builtin_expand): Expand recip, recipf, and rsqrtf.
 237         (rs6000_init_builtins): Initialize recip, recipf, and rsqrtf.
 238         (rs6000_emit_swrsqrtsf): New.
 239         * config/rs6000/rs6000.h (rs6000_builtins): Add recip, recipf, and
 240         rsqrtf.
 241         * config/rs6000/rs6000.md (UNSPEC_RSQRT): Define.
 242         (divsf3): Remove swdiv support.
 243         (recipsf3): New.
 244         (rsqrtsf2): New.
 245         (rsqrt_internal1): New.
 246         (divdf3): Remove swdiv support.
 247         (reciptdf3): New.
 248
 249 2007-09-24  Jakub Jelinek  <jakub@redhat.com>
 250
 251         PR c++/33506
 252         * langhooks.h (struct lang_hooks_for_types): Add type_hash_eq
 253         field.
 254         * langhooks-def.h (LANG_HOOKS_TYPE_HASH_EQ): Define.
 255         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_TYPE_HASH_EQ.
 256         * tree.c (type_hash_eq): For FUNCTION_TYPE use
 257         lang_hooks.type.type_hash_eq in addition to generic tests.
 258
 259 2007-09-24  Pranav Bhandarkar  <pranav.bhandarkar@celunite.com>
 260         Ramana Radhakrishnan  <ramana@hercules.pun.celunite.com>
 261
 262         * tree-inline.h (eni_weights): Add field target_builtin_cost to
 263         reflect the cost per call to a target specific builtin.
 264         * tree-inline.c (estimate_num_insns_1): If it is a CALL_EXPR for a
 265         call to a target specific builtin, then use target_builtin_call_cost.
 266         (init_inline_once): Initialize target_builtin_call_cost field.
 267
 268 2007-09-24  Kai Tietz  <kai.tietz@onevision.com>
 269
 270         PR middle-end/33472
 271         * config/i386/i386.c (return_in_memory_ms_64): Handle return types for
 272         complex types.
 273
 274 2007-09-23  H.J. Lu  <hongjiu.lu@intel.com>
 275
 276         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
 277         * configure: Regenerated.
 278
 279 2007-09-23  Ollie Wild  <aaw@google.com>
 280
 281         * fold-const.c (fold_binary): Fold BIT_AND_EXPR's with a pointer
 282         operand.
 283         (get_pointer_modulus_and_residue): New function.
 284
 285 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 286
 287         * config/mips/mips.c (build_mips16_call_stub): On 64-bit targets,
 288         combine an SC return value into a single register.
 289
 290 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 291
 292         * opth-gen.awk (target_flags_explicit): Declare.
 293         * toplev.h (target_flags_explicit): Delete declaration.
 294         * toplev.c (target_flags): Likewise.
 295         * config/mips/mips.h (mips_llsc_setting, mips_llsc): Delete.
 296         (GENERATE_SYNC, GENERATE_LL_SC): Redefine using target_explicit_flags.
 297         Never return true for TARGET_MIPS16.
 298         * config/mips/mips.c (mips_llsc): Delete.
 299         (mips_handle_option): Remove -mllsc handling.
 300         (mips_strip_unspec_address): Tweak comment.
 301         * config/mips/mips.opt (mllsc): Use a target mask.
 302
 303 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 304
 305         * doc/tm.texi (POINTERS_EXTEND_UNSIGNED): Document extensions to
 306         word_mode as well as Pmode.
 307
 308 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 309
 310         * function.c (assign_parm_setup_block): Explicitly convert BLKmode
 311         parameters from word_mode to the subword type if such a truncation
 312         is not a no-op.
 313
 314 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 315
 316         * configure.ac (MAKEINFO): Handle makeinfo version 4.10 and above.
 317         * configure: Regenerated.
 318
 319 2007-09-23  Jan Hubicka  <jh@suse.cz>
 320
 321         * params.def (INLINE_CALL_COST): Set to 12.
 322         * invoke.texi (inline-call-cost): Update default value.
 323
 324 2007-09-23  Eric Botcazou  <ebotcazou@adacore.com>
 325
 326         * config/alpha/alpha.md (movti): Use operand_subword for the split.
 327
 328 2007-09-23  Ayal Zaks  <zaks@il.ibm.com>
 329             Revital Eres  <eres@il.ibm.com>
 330
 331         * modulo-sched.c (doloop_register_get): Rewrite the loop which
 332         checks whether the count_reg is found outside the control part.
 333
 334 2007-09-23  Jakub Jelinek  <jakub@redhat.com>
 335
 336         * expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
 337         instead of checking CALL_EXPR_FN directly to test for builtins.
 338         If error or warning attributes are present, print
 339         error resp. warning.
 340         * c-common.c (handle_error_attribute): New function.
 341         (c_common_attribute_table): Add error and warning
 342         attributes.
 343         * doc/extend.texi: Document error and warning attributes.
 344
 345         * tree.h (block_nonartificial_location): New prototype.
 346         * tree.c (block_nonartificial_location): New function.
 347         * dwarf2out.c (gen_subprogram_die): Add DW_AT_artificial
 348         if artificial attribute is present on abstract inline decl.
 349         * c-common.c (handle_artificial_attribute): New function.
 350         (c_common_attribute_table): Add artificial attribute.
 351         * final.c (override_filename, override_linenum): New variables.
 352         (final_scan_insn): For DBX_DEBUG or SDB_DEBUG, set override_filename
 353         and override_linenum if inside of a block inlined from
 354         __attribute__((__artificial__)) function.
 355         (notice_source_line): Honor override_filename and override_linenum.
 356         * doc/extend.texi: Document __attribute__((__artificial__)).
 357         * config/i386/emmintrin.h: Add __artificial__ attribute to
 358         all __always_inline__ functions.
 359         * config/i386/mmintrin.h: Likewise.
 360         * config/i386/tmmintrin.h: Likewise.
 361         * config/i386/mm3dnow.h: Likewise.
 362         * config/i386/pmmintrin.h: Likewise.
 363         * config/i386/ammintrin.h: Likewise.
 364         * config/i386/xmmintrin.h: Likewise.
 365         * config/i386/smmintrin.h: Likewise.
 366         * config/i386/bmmintrin.h: Likewise.
 367         * config/i386/mmintrin-common.h: Likewise.
 368
 369         PR middle-end/28755
 370         * expr.c (expand_constructor): New function.
 371         (expand_expr_real_1) <case CONSTRUCTOR>: Call it.
 372         (expand_expr_real_1) <case ARRAY_REF>: Call it if VALUE is
 373         CONSTRUCTOR.
 374
 375 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 376
 377         * config/mips/mips.c (dump_constants_1): Generalize to include
 378         fractional and accumulator modes.
 379
 380 2007-09-23  Richard Sandiford  <rsandifo@nildram.co.uk>
 381
 382         * config/mips/mips.h (ISA_HAS_DSP, ISA_HAS_DSPR2): New macros.
 383         * config/mips/mips.c (mips_set_mips16_mode): Don't clear the DSP
 384         flags for MIPS16.
 385         (override_options): Check TARGET_HARD_FLOAT_ABI instead of
 386         TARGET_HARD_FLOAT when testing whether -mpaired-single is
 387         supported.
 388         (mips_conditional_register_usage): Check ISA_HAS_DSP instead of
 389         TARGET_DSP.
 390         * config/mips/constraints.md (ka): Check ISA_HAS_DSPR2 instead of
 391         TARGET_DSPR2.
 392         * config/mips/mips.md (ANYF): Require TARGET_HARD_FLOAT for V2SF.
 393         (mulv2sf3, movv2sf, movv2sf_hardfloat_64bit): Require
 394         TARGET_HARD_FLOAT.
 395         (<u>mulsidi3_32bit_internal, <u>msubsidi4, <u>maddsidi4): Check
 396         ISA_HAS_DSPR2 instead of TARGET_HAS_DSPR2.
 397         * config/mips/mips-dsp.md: Use ISA_HAS_DSP instead of TARGET_HAS_DSP
 398         throughout.
 399         * config/mips/mips-dspr2.md: Likewise ISA_HAS_DSPR2 and
 400         TARGET_HAS_DSPR2.
 401         * config/mips/mips-fixed.md: Use ISA_HAS_DSP and ISA_HAS_DSPR2
 402         instead of TARGET_HAS_DSP and TARGET_HAS_DSPR2.
 403         * config/mips/mips-ps-3d.md: Add TARGET_HARD_FLOAT to V2SF patterns.
 404
 405 2007-09-22  Jason Merrill  <jason@redhat.com>
 406
 407         PR c++/19407
 408         * attribs.c (lookup_attribute_spec): Split out...
 409         (decl_attributes): From here.
 410         * tree.h: Declare it.
 411
 412 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 413
 414         * doc/sourcebuild.texi: Document dg-add-options mips16_attribute.
 415
 416 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 417
 418         * tree-inline.c (remap_type_1): Correctly chain variants.
 419
 420 2007-09-22  Richard Guenther  <rguenther@suse.de>
 421
 422         PR tree-optimization/33146
 423         * fold-const.c (fold_binary): Use the original tree
 424         for negating.
 425         * tree.h (STRIP_SIGN_NOPS): Converting from or to pointer
 426         also changes "sign".
 427
 428 2007-09-22  Eric Botcazou  <ebotcazou@adacore.com>
 429
 430         PR target/32325
 431         * except.c (finish_eh_generation): Call commit_edge_insertions if
 432         there are insns queued on the entry edge.
 433         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns on
 434         the entry edge.
 435
 436 2007-09-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 437
 438         * doc/sourcebuild.texi (dg-add-c99-runtime-options): Document.
 439
 440 2007-09-19  Michael Meissner  <michael.meissner@amd.com>
 441
 442         * gcc/config/i386/i386.c: Delete trailing whitespace.
 443         * gcc/config/i386/i386.h: Ditto.
 444         * gcc/config/i386/bmmintrin.h: Ditto.
 445         * gcc/config/i386/sync.md: Ditto.
 446         * gcc/config/i386/ppro.md: Ditto.
 447         * gcc/config/i386/mmx.md: Ditto.
 448         * gcc/config/i386/constraints.md: Ditto.
 449         * gcc/config/i386/sse.md: Ditto.
 450         * gcc/config/i386/athlon.md: Ditto.
 451         * gcc/config/i386/i386.md: Ditto.
 452
 453 2007-09-21  Richard Guenther  <rguenther@suse.de>
 454
 455         PR tree-optimization/33508
 456         * tree-ssa-alias.c (mark_aliases_call_clobbered): Avoid
 457         quadratic loop by keeping a bitmap of variables we have
 458         to clobber all subvariables for.
 459         (set_initial_properties): Likewise.
 460
 461 2007-09-21  Richard Sandiford  <rsandifo@nildram.co.uk>
 462
 463         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Delete.
 464
 465 2007-09-20  Nigel Stephens  <nigel@mips.com>
 466             Chao-ying Fu  <fu@mips.com>
 467
 468         * c-decl.c (finish_declspecs): When _Sat is used without
 469         _Fract or _Accum, set the default type to cts_fract.
 470         This avoids a warning of "type defaults to int".
 471
 472 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 473
 474         * c-decl.c (check_bitfield_type_and_width): Don't allow _Bool
 475         bit-fields wider than one bit.
 476
 477 2007-09-20  Jakub Jelinek  <jakub@redhat.com>
 478
 479         PR debug/33316
 480         * dwarf2out.c (modified_type_die): Handle TYPE_DECL with NULL
 481         DECL_NAME.
 482         * dbxout.c (dbxout_type): Likewise.
 483
 484         PR c/33238
 485         PR c/27301
 486         * gimplify.c (gimplify_vla_decl): New function.
 487         (gimplify_decl_expr): Move VLA decl handling to gimplify_vla_decl.
 488         Call it.
 489         (gimplify_target_expr): Handle variable length TARGET_EXPRs.
 490
 491 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 492
 493         * doc/invoke.texi (-minterlink-mips16): Document.
 494         * config/mips/mips.opt (minterlink-mips16): New option.
 495         * config/mips/mips.c (mips_function_ok_for_sibcall): Handle
 496         -minterlink-mips16
 497
 498 2007-09-20  Joseph Myers  <joseph@codesourcery.com>
 499
 500         * doc/extend.texi (Attribute Syntax): Remove old speculative
 501         future direction.
 502
 503 2007-09-20  Mark Shinwell  <shinwell@codesourcery.com>
 504
 505         * combine.c: Include cgraph.h.
 506         (setup_incoming_promotions): Rework to allow more aggressive
 507         elimination of sign extensions when all call sites of the
 508         current function are known to lie within the current unit.
 509
 510 2007-09-20  Richard Sandiford  <rsandifo@nildram.co.uk>
 511
 512         * dse.c (find_shift_sequence): No-op rework of control flow.
 513
 514 2007-09-19  Richard Sandiford  <rsandifo@nildram.co.uk>
 515
 516         * config/mips/mips.c (build_mips16_call_stub): Tidy.  Fix second
 517         GPR for DCmode on 64-bit targets.  Remove redundant fallback.
 518
 519 2007-09-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 520
 521         * cfgexpand.c (dump_stack_var_partition): Use the correct
 522         index for the offset.
 523
 524 2007-09-19  Joseph Myers  <joseph@codesourcery.com>
 525
 526         * config/mips/sde.h: Switch to GPLv3.
 527
 528 2007-09-19  Eric Botcazou  <ebotcazou@adacore.com>
 529
 530         * tree-sra.c (decide_block_copy): Decide if there are groups.
 531
 532 2007-09-19  Roman Zippel <zippel@linux-m68k.org>
 533
 534         * config/m68k/m68k.c (output_move_himode): Remove jump table
 535         recognition.
 536         config/m68k/m68k.md (lea): Likewise.
 537         * config/m68k/m68k.c (print_operand_address): Use simple pc
 538         relative addressing.
 539
 540 2007-09-19  Bernd Schmidt  <bernd.schmidt@analog.com>
 541
 542         * doc/tm.texi (IS_ASM_LOGICAL_LINE_SEPARATOR): Document new argument.
 543         * final.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Provide two-argument
 544         default definition.
 545         (asm_insn_count): Pass template as second argument to it.
 546         * config/avr/avr.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 547         * config/pa/pa.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 548         * config/stormy16/stormy16.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 549         * config/cris/cris.h (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 550         * config/sh/sh.c (IS_ASM_LOGICAL_LINE_SEPARATOR): Likewise.
 551         (sh_insn_length_adjustment): Pass template as second argument to it.
 552         * config/bfin/bfin.h (IS_ASM_LOGICAL_LINE_SEPARATOR): New macro.
 553
 554         * config/bfin/bfin.md (define_asm_attributes): New.
 555
 556 2007-09-19  Jie Zhang  <jie.zhang@analog.com>
 557
 558         * config.gcc (bfin*-linux-uclibc*): Add ./linux-sysroot-suffix.h
 559         to tm_file.
 560         * config/bfin/print-sysroot-suffix.sh: New.
 561         * config/bfin/t-bfin-elf (EXTRA_PARTS): Remove.
 562         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 563         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 564         * config/bfin/t-bfin-uclinux (EXTRA_PARTS): Remove.
 565         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 566         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 567         * config/bfin/t-bfin-linux (EXTRA_PARTS): Remove.
 568         (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, MULTILIB_MATCHES,
 569         MULTILIB_EXCEPTIONS): Redefine with new multilibs.
 570         (linux-sysroot-suffix.h): New target.
 571         * config/bfin/bfin.opt (mcsync-anomaly): Use Var instead of Mask.
 572         (mspecld-anomaly): Likewise.
 573         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Renamed from
 574         (enum bfin_cpu): ... this. Add BFIN_CPU_BF522, BFIN_CPU_BF525,
 575         BFIN_CPU_BF527, BFIN_CPU_BF538, BFIN_CPU_BF539, BFIN_CPU_BF542,
 576         BFIN_CPU_BF544, BFIN_CPU_BF548, and BFIN_CPU_BF549.
 577         (bfin_si_revision): Declare.
 578         (bfin_workarounds): Declare.
 579         (WA_SPECULATIVE_LOADS): Define.
 580         (ENABLE_WA_SPECULATIVE_LOADS): Define.
 581         (WA_SPECULATIVE_SYNCS): Define.
 582         (ENABLE_WA_SPECULATIVE_SYNCS): Define.
 583         * config/bfin/elf.h (STARTFILE_SPEC): Rename crt532.o to basiccrt.o.
 584         (LIB_SPEC): Add %s to the linker scripts.
 585         Use proper linker script for bf522, bf525, bf527,
 586         bf538, bf539, bf542, bf544, bf548, and bf549.
 587         * config/bfin/bfin.c (bfin_si_revision): Define.
 588         (bfin_workarounds): Define.
 589         (struct bfin_cpu): New.
 590         (bfin_cpus): New.
 591         (bfin_handle_option): Handle silicon revision part of -mcpu option.
 592         (override_options): Set bfin_workarounds.
 593         (length_for_loop): Replace TARGET_CSYNC_ANOMALY with
 594         ENABLE_WA_SPECULATIVE_SYNCS, TARGET_SPECLD_ANOMALY with
 595         ENABLE_WA_SPECULATIVE_LOADS.
 596         (bfin_reorg): Likewise.
 597         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
 598         macros for bf522, bf525, bf527, bf538, bf539,
 599         bf542, bf544, bf548, and bf549.
 600         Define __SILICON_REVISION__ and __WORKAROUND_* macros if needed.
 601         Don't define __ID_SHARED_LIB__ when -msep-data.
 602         (TARGET_DEFAULT): Define as 0.
 603         (DRIVER_SELF_SPECS): Add -mcpu=bf532 if no -mcpu option.
 604         * doc/invoke.texi (Blackfin Options): Document silicon
 605         revision part of -mcpu option and it now accepts bf522, bf525,
 606         bf527, bf538, bf539, bf542, bf544, bf548, and bf549.
 607
 608 2007-09-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 609
 610         * alias.c (memory_modified_1): Deconstify.
 611         (memory_modified_in_insn_p): Don't use const_note_stores.
 612         * rtl.h (const_note_stores): Delete.
 613         * rtlanal.c (const_note_stores): Likewise.
 614
 615 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 616
 617         * dse.c (find_shift_sequence): Temporarily revert to forbidding
 618         word shifts.
 619
 620 2007-09-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
 621
 622         PR target/33388
 623         PR target/33397
 624         * config/fr30/fr30.md (addsi3): Check REG_P() before calling REGNO().
 625         (addsi_small_int): Likewise.
 626         (addsi_big_int): Use rtx_equal_p() instead of REGNO() comparison.
 627         (one_cmplsi2): Likewise.
 628         (negsi2): Delete.
 629         (enter_func): Expand insn using hard_frame_pointer_rtx and
 630         stack_pointer_rtx.
 631         (*enter_func): New.
 632         * config/fr30/fr30.c (fr30_expand_prologue): Check for
 633         hard_frame_pointer_rtx instead of using REGNO() check.
 634         Properly sign extend GEN_INT() argument.
 635
 636 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 637
 638         * config/m68k/m68k.c (override_options): Remove USE_GAS,
 639         use %. syntax.
 640         (output_dbcc_and_branch, output_scc_di): Replace all jbcc
 641         alternatives with just jcc.
 642         * config/m68k/m68k.md (addsi_lshrsi_31, beq0_di, bne0_di,
 643         bge0_di, blt0_di, bgtu, bltu, bgeu, bleu, bgtu_rev,
 644         bltu_rev, bgeu_rev, bleu_rev, jump, dbne_hi, dbne_si,
 645         dbge_hi, dbge_si): Likewise.
 646
 647 2007-09-18  Roman Zippel <zippel@linux-m68k.org>
 648
 649         * config/m68k/m68k.md (beq, bne, bgt, blt, bge, ble, bordered,
 650         bunordered, buneq, bunge, bungt, bunle, bunlt, bltgt, beq_rev,
 651         bne_rev, bgt_rev, blt_rev, bge_rev, ble_rev, bordered_rev,
 652         bunordered_rev, buneq_rev, bunge_rev, bungt_rev, bunle_rev,
 653         bunlt_rev, bltgt_rev): Replace all fbcc with fjcc.
 654
 655 2007-09-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
 656
 657         * config/m68k/m68k-devices.def (51qe): New device.
 658         * config/m68k/m68k.c (FL_FOR_isa_c): Remove division unit.  Add it
 659         to all uses of FL_FOR_isa_c for compatibility.
 660         (all_microarchs): Add cfv1 microarchitecture.
 661         (m68k_handle_option): Handle m51qe option.
 662         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Handle 51QE.
 663         (TUNE_CFV1): New macro.
 664         (enum uarch_type): Add ucfv1.
 665         * doc/invoke.texi: Document 51qe device and cfv1 microarchitecture.
 666
 667 2007-09-18  Richard Guenther  <rguenther@suse.de>
 668
 669         PR tree-optimization/31863
 670         * tree-ssa-structalias.c (create_variable_info_for): Always
 671         free the fieldstack.
 672
 673 2007-09-18  Dorit Nuzman  <dorit@il.ibm.com>
 674
 675         * opts.c (decode_options): Enable vectorization under -O3.
 676
 677 2007-09-18  Richard Guenther  <rguenther@suse.de>
 678
 679         PR tree-optimization/33340
 680         * tree-ssa-sccvn.c (set_ssa_val_to): Do not set values to
 681         SSA_NAMEs that occur in abnormal PHI nodes.
 682
 683 2007-09-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 684
 685         * tree-cfg.c (is_ctrl_altering_stmt, tree_block_ends_with_call_p):
 686         Don't use const_get_call_expr_in.
 687         * tree-gimple.c (const_get_call_expr_in): Delete.
 688         * tree-gimple.h (const_get_call_expr_in): Likewise.
 689
 690 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 691
 692         * df-scan.c (df_notes_rescan): Do nothing if the instruction does
 693         not yet have a basic block.
 694         * dse.c (find_shift_sequence): Don't set DF_NO_INSN_RESCAN.
 695
 696 2007-09-18  Richard Sandiford  <rsandifo@nildram.co.uk>
 697
 698         * config/mips/mips.c (mips_file_start): Add ".previous" directives
 699         to both ".section"s.
 700
 701 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 702
 703         * config/mips/mips.c (mips_output_mi_thunk): Use
 704         mips_function_ok_for_sibcall and const_call_insn_operand
 705         to determine if a direct sibcall is allowed.  Use
 706         mips_classify_symbol to determine a global pointer is needed.
 707
 708 2007-09-17  Richard Sandiford  <rsandifo@nildram.co.uk>
 709
 710         * config/mips/mips.md (*clear_upper32): Use "W" as the memory operand.
 711
 712 2007-09-17  Chao-ying Fu  <fu@mips.com>
 713             Nigel Stephens  <nigel@mips.com>
 714
 715         * config/fixed-bit.h: New file.
 716         * config/fixed-bit.c: New file.
 717         * doc/libgcc.texi (Fixed-point fractional library routines): New node.
 718
 719 2007-09-18  Jakub Jelinek  <jakub@redhat.com>
 720
 721         * c-format.h (format_kind_info): Add alloc_char field.
 722         * c-format.c (scanf_flag_specs): Add 'm'.
 723         (scanf_flag_pairs): Add 'a', 'm' pair.
 724         (scan_char_table): Allow 'm' modifier for c, s, [, C and S.
 725         (format_types_orig): Add alloc_char fields.
 726         (check_format_info_main): Rename aflag to alloc_flag.
 727         Handle fki->alloc_char. modifier after width and before length
 728         modifiers.  Move FMT_FLAG_SCANF_A_KLUDGE handling before
 729         length modifiers as well.
 730         * config/sol2-c.c (solaris_format_types): Add alloc_char field.
 731
 732         PR middle-end/33423
 733         * builtins.c (expand_builtin_memory_chk): Handle COMPOUND_EXPRs
 734         returned by build_call_expr.
 735
 736 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 737
 738         * tree-sra.c (maybe_lookup_element_for_expr) <COMPONENT_REF>: Return
 739         NULL for variable-sized records too.
 740         (sra_walk_expr) <COMPONENT_REF>: Stop at variable-sized records too.
 741
 742 2007-09-17  Tom Tromey  <tromey@redhat.com>
 743
 744         * c-decl.c (pushdecl): Don't set DECL_LANG_SPECIFIC.
 745         (c_builtin_function): Likewise.
 746         (grokdeclarator): Likewise.
 747
 748 2007-09-17  Zdenek Dvorak  <ook@ucw.cz>
 749
 750         PR rtl-optimization/26449
 751         * loop-invariant.c (move_invariant_reg): Do not use force_operand.
 752         (seq_insns_valid_p): Removed.
 753
 754 2007-09-17  Eric Botcazou  <ebotcazou@adacore.com>
 755
 756         * tree-nomudflap.c (gate_mudflap): New static function.
 757         (pass_mudflap_1): Use it as gate function.
 758         (pass_mudflap_2): Likewise.
 759
 760 2007-09-17  Jan Hubicka  <jh@suse.cz>
 761
 762         PR middle-end/33348
 763         PR target/33406
 764         * loop-invariant.c (move_invariant_reg): Unshare sequence.
 765
 766 2007-09-17  Victor Kaplansky  <victork@il.ibm.com>
 767
 768         PR tree-optimization/33319
 769         * tree-vect-analyze.c (vect_same_range_drs): New.
 770         (vect_vfa_range_equal): New.
 771         (vect_is_duplicate_ddr): Removed.
 772         (vect_mark_for_runtime_alias_test): Do not perform marking when
 773         optimizing for size or max_param for alias checking is zero.
 774         Move the function before vect_analyze_data_ref_dependence.
 775         (vect_analyze_data_ref_dependence): Add call to
 776         vect_mark_for_runtime_alias_test in two cases when dependence
 777         is not clear.
 778         (vect_analyze_data_ref_dependences): Do not call to
 779         vect_mark_for_runtime_alias_test.
 780         (vect_prune_runtime_alias_test_list): New.
 781         (vect_analyze_loop): Add call to vect_prune_runtime_alias_test_list.
 782         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
 783         Update vec_outside_cost.
 784         (vect_vfa_segment_size): More compact code, use TYPE_SIZE_UNIT.
 785         (vect_create_cond_for_alias_checks): Build the base address of data
 786         reference from DR_GROUP_FIRST_DR.
 787         (vect_loop_versioning): New.
 788         (vect_transform_loop): Add a call to vect_loop_versioning.
 789         Remove factored out code.
 790
 791 2007-09-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 792
 793         PR middle-end/33273
 794         * expr.c (store_expr): Call adjust_address to change mode of dest_mem
 795         to BLKmode.
 796
 797 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 798
 799         * dse.c (find_shift_sequence): Allow word as well as subword shifts.
 800         Do the tentative shift expansion with the DF_NO_INSN_RESCAN flag set.
 801         Fix the call to insn_rtx_cost.  Skip access sizes that require a
 802         real truncation of the store register.  Use convert_move instead
 803         of gen_lowpart when narrowing the result.
 804         (replace_read): Use convert_move instead of gen_lowpart when
 805         narrowing the store rhs.
 806
 807 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 808
 809         * config/mips/mips.md (SHORT): Fix long line.
 810         (SUBDI): New mode iterator.  Extend the shift-and-truncate insns
 811         to QImode and HImode.
 812
 813 2007-09-16  Richard Sandiford  <rsandifo@nildram.co.uk>
 814
 815         * config/mips/mips.h (POINTERS_EXTEND_UNSIGNED): Define.
 816
 817 2007-09-15  Zdenek Dvorak  <ook@ucw.cz>
 818
 819         * tree-parloops.c: New file.
 820         * tree-ssa-operands.h (free_stmt_operands): Declare.
 821         * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
 822         block.
 823         * tree-pass.h (pass_parallelize_loops): Declare.
 824         * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
 825         virtual operands.
 826         (build_omp_regions_1): Allow analysing just a single OMP region and
 827         its subregions.
 828         ( build_omp_regions_root, omp_expand_local): New functions.
 829         (build_omp_regions): Add argument to build_omp_regions_1 call.
 830         * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
 831         autoparallelization is run.
 832         * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
 833         * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
 834         pass_parallelize_loops): New.
 835         * common.opt (ftree-parallelize-loops): New.
 836         * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
 837         parallelize_loops): Declare.
 838         (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
 839         * Makefile.in (tree-parloops.o): Added.
 840         * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
 841         New functions.
 842         (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
 843         (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
 844         one extra edge as well.
 845         (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
 846         Use VEC_free to free doms vector.
 847         (move_block_to_fn): Update loop info. Remove phi nodes for virtual
 848         operands.  Recompute operand caches in the new function.
 849         (move_sese_region_to_fn): Update loop info.
 850         * passes.c (init_optimization_passes): Add pass_parallelize_loops.
 851         * tree-ssa-operands.c (free_stmt_operands): New function.
 852
 853         * doc/passes.texi: Document autoparallelization.
 854         * doc/invoke.texi (-ftree-parallelize-loops): New option.
 855
 856 2007-09-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 857
 858         PR target/33062
 859         * pa.c (function_value): Use GET_MODE_BITSIZE instead of
 860         TYPE_PRECISION.
 861
 862 2007-09-15  Dorit Nuzman  <dorit@il.ibm.com>
 863
 864         * tree-vect-transform.c (vect_get_vec_defs_for_stmt_copy): check if
 865         the VEC is not NULL.
 866         (vectorizable_type_demotion, vectorizable_type_promotion): Check that
 867         get_vectype_for_scalar_type succeeded.
 868         (vectorizable_conversion): Likewise.
 869
 870 2007-09-14  Jan Hubicka  <jh@suse.cz>
 871
 872         * config/i386/i386.md (*floatdi<mode>2_i387): Guard against
 873         TARGET_64BIT.
 874
 875 2007-09-14  Uros Bizjak  <ubizjak@gmail.com>
 876
 877         PR target/33438
 878         * config/i386/i386.md (fmodxf3): Copy operands[2] to temporary
 879         register when operands[2] equals operands[1].
 880         (remainderxf3): Ditto.
 881
 882 2007-09-14  Sandra Loosemore  <sandra@codesourcery.com>
 883             Nigel Stephens  <nigel@mips.com>
 884
 885         * doc/tm.texi (LIBGCC2_UNWIND_ATTRIBUTE): Document.
 886         * unwind-generic.h (LIBGCC2_UNWIND_ATTRIBUTE): Define.
 887         (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE to
 888         declaration.
 889         (_Unwind_ForcedUnwind): Likewise.
 890         (_Unwind_Resume): Likewise.
 891         (_Unwind_Resume_or_Rethrow): Likewise.
 892         (_Unwind_Backtrace): Likewise.
 893         (_Unwind_SjLj_RaiseException): Likewise.
 894         (_Unwind_SjLj_ForcedUnwind): Likewise.
 895         (_Unwind_SjLj_Resume): Likewise.
 896         (_Unwind_SjLj_Resume_or_Rethrow): Likewise.
 897         * unwind.inc (_Unwind_RaiseException): Add LIBGCC2_UNWIND_ATTRIBUTE
 898         to definition.
 899         (_Unwind_ForcedUnwind): Likewise.
 900         (_Unwind_Resume): Likewise.
 901         (_Unwind_Resume_or_Rethrow): Likewise.
 902         (_Unwind_Backtrace): Likewise.
 903         * unwind-compat.c (_Unwind_Backtrace): Likewise.
 904         (_Unwind_ForcedUnwind): Likewise.
 905         (_Unwind_RaiseException): Likewise.
 906         (_Unwind_Resume): Likewise.
 907         (_Unwind_Resume_or_Rethrow): Likewise.
 908
 909         * config/mips/mips.h (LIBGCC2_UNWIND_ATTRIBUTE): Define to force
 910         nomips16 mode when IN_LIBGCC2 with hard float.
 911
 912 2007-09-14  Richard Sandiford  <rsandifo@nildram.co.uk>
 913
 914         * config/mips/sdemtk.opt: Update to GPLv3.
 915         * config/mips/sdemtk.h: Likewise.
 916
 917 2007-09-14  Nigel Stephens  <nigel@mips.com>
 918
 919         * config.gcc (mips*-*-linux*): Recognise mipsisa32r2 and set
 920         MIPS_ISA_DEFAULT appropriately.  Don't make soft-float the default
 921         for mipsisa32-*-linux*.
 922
 923 2007-09-14  Nigel Stephens  <nigel@mips.com>
 924             David Ung  <davidu@mips.com>
 925             Thiemo Seufer  <ths@mips.com>
 926             Richard Sandiford  <richard@codesourcery.com>
 927
 928         * config.gcc (mips*-sde-elf*): Add support for the SDE C libraries.
 929         * configure.ac: Add a mipssde threading type.
 930         * configure: Regenerate.
 931         * config/mips/sdemtk.h: New file.
 932         * config/mips/t-sdemtk: Likewise.
 933         * config/mips/sdemtk.opt: Likewise.
 934         * gthr-mipssde.h: Likewise.
 935         * config/mips/sde.h (FUNCTION_PROFILER): Move to config/mips/sdemtk.h.
 936         * config/mips/mips.h (MIPS_SAVE_REG_FOR_PROFILING_P): New macro.
 937         (MIPS_ICACHE_SYNC): New macro, split from ...
 938         * config/mips/mips.md (clear_cache): ...here.
 939         * config/mips/mips.c (mips_save_reg_p): Check
 940         MIPS_SAVE_REG_FOR_PROFILING_P on profiled functions.
 941         (build_mips16_function_stub): Use targetm.strip_name_encoding.
 942         (build_mips16_call_stub): Likewise.
 943
 944 2007-09-14  Richard Sandiford  <richard@codesourcery.com>
 945
 946         * Makefile.in (stmp-int-hdrs): Depend on fixinc_list.
 947
 948 2007-09-14  Jakub Jelinek  <jakub@redhat.com>
 949
 950         PR target/32337
 951         * config/ia64/ia64.c (find_gr_spill): Don't decrement
 952         current_frame_info.n_local_regs.  Don't return emitted local
 953         regs.
 954         (ia64_compute_frame_size): Improve unwind hack to put
 955         RP, PFS, FP in that order by allowing some of the registers
 956         been already emitted, as long as they are emitted to the
 957         desired register.
 958
 959 2007-09-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 960
 961         * config/spu/vmx2spu.h (vec_extract, vec_insert, vec_lvlx,
 962         vec_lvlxl, vec_lvrx, vec_lvrxl, vec_promote, vec_splats,
 963         vec_stvlx, vec_stvlxl, vec_stvrx, vec_stvrxl): New intrinsics.
 964
 965 2007-09-13  Eric Christopher  <echristo@apple.com>
 966             Kenneth Zadeck <zadeck@naturalbridge.com>
 967
 968         * dse.c (find_shift_sequence): New function.
 969         (replace_read): Add case to remove read if it requires shift.
 970         * config/i386/i386.c (ix86_expand_prologue): Fixed typo in comment.
 971
 972 2007-09-13  Tom Tromey  <tromey@redhat.com>
 973
 974         * c-common.c (fname_as_string): Update.
 975         * c-parser.c (c_parser) <lex_untranslated_string>: New field.
 976         (c_lex_one_token): Update.  Add 'parser' argument.
 977         (c_parser_simple_asm_expr): Update.
 978         (c_parser_attributes): Update.
 979         (c_parser_asm_statement): Update.
 980         (c_parser_asm_operands): Update.
 981         (c_parser_peek_token): Update.
 982         (c_parser_peek_2nd_token): Update.
 983         * c-lex.c (c_lex_string_translate): Remove.
 984         (c_lex_return_raw_strings): Likewise.
 985         (c_lex_with_flags): Added 'lex_flags' argument.
 986         (lex_string): Added 'translate' argument.
 987         * c-pragma.h (c_lex_with_flags): Update.
 988         (c_lex_string_translate, c_lex_return_raw_strings): Remove.
 989         (C_LEX_STRING_NO_TRANSLATE): New define.
 990         (C_LEX_RAW_STRINGS): Likewise.
 991
 992 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
 993
 994         From Jie Zhang:
 995         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_ONES,
 996         BFIN_BUILTIN_CPLX_MUL_16_S40, BFIN_BUILTIN_CPLX_MAC_16_S40,
 997         BFIN_BUILTIN_CPLX_MSU_16_S40, and BFIN_BUILTIN_CPLX_SQU.
 998         (bfin_init_builtins): Initialize __builtin_bfin_ones,
 999         __builtin_bfin_min_fr1x16, __builtin_bfin_max_fr1x16,
1000         __builtin_bfin_min_fr1x32, __builtin_bfin_max_fr1x32,
1001         __builtin_bfin_cmplx_add, __builtin_bfin_cmplx_sub,
1002         __builtin_bfin_cmplx_mul_s40, __builtin_bfin_cmplx_mac_s40,
1003         __builtin_bfin_cmplx_msu_s40 and __builtin_bfin_csqu_fr16.
1004         (bdesc_1arg): Add __builtin_bfin_ones.
1005         (bfin_expand_builtin): Expand __builtin_bfin_cmplx_mul_s40,
1006         __builtin_bfin_cmplx_mac_s40, __builtin_bfin_cmplx_msu_s40,
1007         and __builtin_bfin_csqu_fr16.
1008         * config/bfin/bfin.md (UNSPEC_ONES): New constant.
1009         (ones): New define_insn.
1010         (ssaddhi3_parts): New define_insn.
1011         (sssubhi3_parts): New define_insn.
1012         (flag_mulhi_parts): New define_insn.
1013
1014 2007-09-13  Seongbae Park <seongbae.park@gmail.com>
1015
1016         * common.opt (femit-class-debug-always): Turn off by default.
1017
1018 2007-09-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1019
1020         * config/bfin/bfin.md (reload_outpdi, reload_inpdi): New patterns.
1021         * config/bfin/bfin.c (bfin_secondary_reload): Make sure we use them.
1022
1023 2007-09-13  James E. Wilson  <wilson@specifix.com>
1024
1025         PR tree-optimization/33389
1026         * tree-ssa-operands.c (append_vuse): If ann->in_vdef_list true,
1027         then set build_loads before returning.
1028
1029 2007-09-13  Sandra Loosemore  <sandra@codesourcery.com>
1030             David Ung  <davidu@mips.com>
1031
1032         * config/mips/mips.h (ASM_OUTPUT_REG_PUSH): Replace {d}subu with
1033         {d}addiu and a negative immediate such that it works with MIPS16
1034         instructions.
1035
1036 2007-09-13  H.J. Lu  <hongjiu.lu@intel.com>
1037
1038         PR bootstrap/33418
1039         * configure.ac (ld_vers): Support Linux linker.
1040         * configure: Regenerated.
1041
1042 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1043             Sandra Loosemore <sandra@codesourcery.com>
1044
1045         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Delete.
1046         (SYMBOL_REF_MIPS16_FUNC_P): Delete.
1047         * config/mips/mips.c (mips_attribute_table): Turn mips16 and
1048         nomips16 into decl attributes.
1049         (TARGET_INSERT_ATTRIBUTES): Override.
1050         (TARGET_MERGE_DECL_ATTRIBUTES): Likewise.
1051         (TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P): Always return true.
1052         (mips_mips16_type_p, mips_nomips16_type_p): Delete in favor of...
1053         (mips_mips16_decl_p, mips_nomips16_decl_p): ...these new functions.
1054         (mips_comp_type_attributes): Remove mips16 and nomips16 handling.
1055         (mips_use_mips16_mode_p): Reimplement as a function that takes
1056         a decl and considers only decl attributes.  If the decl is nested
1057         function, use its parent attributes.
1058         (mips_function_ok_for_sibcall): Use mips_use_mips16_mode_p
1059         instead of SYMBOL_REF_MIPS16_FUNC_P.
1060         (mips_set_mips16_mode): Move call to sorry here from old
1061         mips_use_mips16_mode_p.
1062         (mflip_mips16_entry): New structure.
1063         (mflip_mips16_htab): New variable.
1064         (mflip_mips16_htab_hash, mflip_mips16_htab_eq): New functions.
1065         (mflip_mips16_use_mips16_p, mips_insert_attributes): Likewise.
1066         (mips_merge_decl_attributes): New function.
1067         (mips_set_current_function): Reinstate call to mips_set_mips16_mode.
1068         Use mips_use_mips16_mode_p.
1069         (mips_output_mi_thunk): Use mips_use_mips16_mode_p instead of
1070         SYMBOL_REF_MIPS16_FUNC_P.
1071         (mips_encode_section_info): Don't set SYMBOL_FLAG_MIPS16_FUNC.
1072
1073 2007-09-13  Richard Sandiford  <richard@codesourcery.com>
1074
1075         * c-parser.c (c_parser_struct_declaration): Check for a null return.
1076
1077 2007-09-13  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1078
1079         PR driver/33309
1080         * gcc.c (xputenv): Make argument const, and use CONST_CAST.
1081
1082 2007-09-12  Michael Meissner  <michael.meissner@amd.com>
1083             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
1084             Tony Linthicum  <tony.linthicum@amd.com>
1085
1086         * tree.h (function_args_iterator): New type to iterate over
1087         function arguments.
1088         (FOREACH_FUNCTION_ARGS_PTR): Iterator macros for iterating over
1089         function arguments providing a pointer to the argument.
1090         (FOREACH_FUNCTION_ARGS): Iterator macros for iterating over
1091         function arguments providing the argument.
1092         (function_args_iter_init): Inline function to initialize
1093         function_args_iterator.
1094         (function_args_iter_cond_ptr): Inline function to return the next
1095         pointer to hold the argument.
1096         (function_args_iter_cond): Inline function to return the next
1097         argument.
1098         (function_args_iter_cond_next): Advance the function args
1099         iterator.
1100         (stdarg_p): New function, return true if variable argument
1101         function.
1102         (prototype_p): New function, return true if function is
1103         prototyped.
1104         (function_args_count): New function, count the number of arguments
1105         of a function.
1106
1107         * tree.c (stdarg_p): New function, return true if variable
1108         argument function.
1109         (prototype_p): New function, return true if function is
1110         prototyped.
1111
1112         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
1113         (TARGET_ROUND): New macro for the round/ptest instructions which
1114         are shared between SSE4.1 and SSE5.
1115         (OPTION_MASK_ISA_ROUND): Ditto.
1116         (OPTION_ISA_ROUND): Ditto.
1117         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
1118         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
1119
1120         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
1121         (-mfused-madd): New switch to give users control over whether the
1122         compiler optimizes to use the multiply/add SSE5 instructions.
1123
1124         * config/i386/i386.c (m_AMD_MULTIPLE): Rename from
1125         m_ATHLON_K8_AMDFAM10, and change all uses.
1126         (enum pta_flags): Add PTA_SSE5.
1127         (ix86_handle_option): Turn off 3dnow if -msse5.
1128         (override_options): Add SSE5 support.
1129         (print_operand): %Y prints comparison codes for SSE5 com/pcom
1130         instructions.
1131         (ix86_expand_sse_movcc): Add SSE5 support.
1132         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
1133         vector type to the next largest size.
1134         (ix86_expand_sse5_pack): New function to use pperm to pack a
1135         vector type to the next smallest size.
1136         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
1137         (IX86_BUILTIN_FMADDSD): Ditto.
1138         (IX86_BUILTIN_FMADDPS): Ditto.
1139         (IX86_BUILTIN_FMADDPD): Ditto.
1140         (IX86_BUILTIN_FMSUBSS): Ditto.
1141         (IX86_BUILTIN_FMSUBSD): Ditto.
1142         (IX86_BUILTIN_FMSUBPS): Ditto.
1143         (IX86_BUILTIN_FMSUBPD): Ditto.
1144         (IX86_BUILTIN_FNMADDSS): Ditto.
1145         (IX86_BUILTIN_FNMADDSD): Ditto.
1146         (IX86_BUILTIN_FNMADDPS): Ditto.
1147         (IX86_BUILTIN_FNMADDPD): Ditto.
1148         (IX86_BUILTIN_FNMSUBSS): Ditto.
1149         (IX86_BUILTIN_FNMSUBSD): Ditto.
1150         (IX86_BUILTIN_FNMSUBPS): Ditto.
1151         (IX86_BUILTIN_FNMSUBPD): Ditto.
1152         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
1153         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
1154         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
1155         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
1156         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
1157         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
1158         (IX86_BUILTIN_PPERM): Ditto.
1159         (IX86_BUILTIN_PERMPS): Ditto.
1160         (IX86_BUILTIN_PERMPD): Ditto.
1161         (IX86_BUILTIN_PMACSSWW): Ditto.
1162         (IX86_BUILTIN_PMACSWW): Ditto.
1163         (IX86_BUILTIN_PMACSSWD): Ditto.
1164         (IX86_BUILTIN_PMACSWD): Ditto.
1165         (IX86_BUILTIN_PMACSSDD): Ditto.
1166         (IX86_BUILTIN_PMACSDD): Ditto.
1167         (IX86_BUILTIN_PMACSSDQL): Ditto.
1168         (IX86_BUILTIN_PMACSSDQH): Ditto.
1169         (IX86_BUILTIN_PMACSDQL): Ditto.
1170         (IX86_BUILTIN_PMACSDQH): Ditto.
1171         (IX86_BUILTIN_PMADCSSWD): Ditto.
1172         (IX86_BUILTIN_PMADCSWD): Ditto.
1173         (IX86_BUILTIN_PHADDBW): Ditto.
1174         (IX86_BUILTIN_PHADDBD): Ditto.
1175         (IX86_BUILTIN_PHADDBQ): Ditto.
1176         (IX86_BUILTIN_PHADDWD): Ditto.
1177         (IX86_BUILTIN_PHADDWQ): Ditto.
1178         (IX86_BUILTIN_PHADDDQ): Ditto.
1179         (IX86_BUILTIN_PHADDUBW): Ditto.
1180         (IX86_BUILTIN_PHADDUBD): Ditto.
1181         (IX86_BUILTIN_PHADDUBQ): Ditto.
1182         (IX86_BUILTIN_PHADDUWD): Ditto.
1183         (IX86_BUILTIN_PHADDUWQ): Ditto.
1184         (IX86_BUILTIN_PHADDUDQ): Ditto.
1185         (IX86_BUILTIN_PHSUBBW): Ditto.
1186         (IX86_BUILTIN_PHSUBWD): Ditto.
1187         (IX86_BUILTIN_PHSUBDQ): Ditto.
1188         (IX86_BUILTIN_PROTB): Ditto.
1189         (IX86_BUILTIN_PROTW): Ditto.
1190         (IX86_BUILTIN_PROTD): Ditto.
1191         (IX86_BUILTIN_PROTQ): Ditto.
1192         (IX86_BUILTIN_PROTB_IMM): Ditto.
1193         (IX86_BUILTIN_PROTW_IMM): Ditto.
1194         (IX86_BUILTIN_PROTD_IMM): Ditto.
1195         (IX86_BUILTIN_PROTQ_IMM): Ditto.
1196         (IX86_BUILTIN_PSHLB): Ditto.
1197         (IX86_BUILTIN_PSHLW): Ditto.
1198         (IX86_BUILTIN_PSHLD): Ditto.
1199         (IX86_BUILTIN_PSHLQ): Ditto.
1200         (IX86_BUILTIN_PSHAB): Ditto.
1201         (IX86_BUILTIN_PSHAW): Ditto.
1202         (IX86_BUILTIN_PSHAD): Ditto.
1203         (IX86_BUILTIN_PSHAQ): Ditto.
1204         (IX86_BUILTIN_FRCZSS): Ditto.
1205         (IX86_BUILTIN_FRCZSD): Ditto.
1206         (IX86_BUILTIN_FRCZPS): Ditto.
1207         (IX86_BUILTIN_FRCZPD): Ditto.
1208         (IX86_BUILTIN_CVTPH2PS): Ditto.
1209         (IX86_BUILTIN_CVTPS2PH): Ditto.
1210         (IX86_BUILTIN_COMEQSS): Ditto.
1211         (IX86_BUILTIN_COMNESS): Ditto.
1212         (IX86_BUILTIN_COMLTSS): Ditto.
1213         (IX86_BUILTIN_COMLESS): Ditto.
1214         (IX86_BUILTIN_COMGTSS): Ditto.
1215         (IX86_BUILTIN_COMGESS): Ditto.
1216         (IX86_BUILTIN_COMUEQSS): Ditto.
1217         (IX86_BUILTIN_COMUNESS): Ditto.
1218         (IX86_BUILTIN_COMULTSS): Ditto.
1219         (IX86_BUILTIN_COMULESS): Ditto.
1220         (IX86_BUILTIN_COMUGTSS): Ditto.
1221         (IX86_BUILTIN_COMUGESS): Ditto.
1222         (IX86_BUILTIN_COMORDSS): Ditto.
1223         (IX86_BUILTIN_COMUNORDSS): Ditto.
1224         (IX86_BUILTIN_COMFALSESS): Ditto.
1225         (IX86_BUILTIN_COMTRUESS): Ditto.
1226         (IX86_BUILTIN_COMEQSD): Ditto.
1227         (IX86_BUILTIN_COMNESD): Ditto.
1228         (IX86_BUILTIN_COMLTSD): Ditto.
1229         (IX86_BUILTIN_COMLESD): Ditto.
1230         (IX86_BUILTIN_COMGTSD): Ditto.
1231         (IX86_BUILTIN_COMGESD): Ditto.
1232         (IX86_BUILTIN_COMUEQSD): Ditto.
1233         (IX86_BUILTIN_COMUNESD): Ditto.
1234         (IX86_BUILTIN_COMULTSD): Ditto.
1235         (IX86_BUILTIN_COMULESD): Ditto.
1236         (IX86_BUILTIN_COMUGTSD): Ditto.
1237         (IX86_BUILTIN_COMUGESD): Ditto.
1238         (IX86_BUILTIN_COMORDSD): Ditto.
1239         (IX86_BUILTIN_COMUNORDSD): Ditto.
1240         (IX86_BUILTIN_COMFALSESD): Ditto.
1241         (IX86_BUILTIN_COMTRUESD): Ditto.
1242         (IX86_BUILTIN_COMEQPS): Ditto.
1243         (IX86_BUILTIN_COMNEPS): Ditto.
1244         (IX86_BUILTIN_COMLTPS): Ditto.
1245         (IX86_BUILTIN_COMLEPS): Ditto.
1246         (IX86_BUILTIN_COMGTPS): Ditto.
1247         (IX86_BUILTIN_COMGEPS): Ditto.
1248         (IX86_BUILTIN_COMUEQPS): Ditto.
1249         (IX86_BUILTIN_COMUNEPS): Ditto.
1250         (IX86_BUILTIN_COMULTPS): Ditto.
1251         (IX86_BUILTIN_COMULEPS): Ditto.
1252         (IX86_BUILTIN_COMUGTPS): Ditto.
1253         (IX86_BUILTIN_COMUGEPS): Ditto.
1254         (IX86_BUILTIN_COMORDPS): Ditto.
1255         (IX86_BUILTIN_COMUNORDPS): Ditto.
1256         (IX86_BUILTIN_COMFALSEPS): Ditto.
1257         (IX86_BUILTIN_COMTRUEPS): Ditto.
1258         (IX86_BUILTIN_COMEQPD): Ditto.
1259         (IX86_BUILTIN_COMNEPD): Ditto.
1260         (IX86_BUILTIN_COMLTPD): Ditto.
1261         (IX86_BUILTIN_COMLEPD): Ditto.
1262         (IX86_BUILTIN_COMGTPD): Ditto.
1263         (IX86_BUILTIN_COMGEPD): Ditto.
1264         (IX86_BUILTIN_COMUEQPD): Ditto.
1265         (IX86_BUILTIN_COMUNEPD): Ditto.
1266         (IX86_BUILTIN_COMULTPD): Ditto.
1267         (IX86_BUILTIN_COMULEPD): Ditto.
1268         (IX86_BUILTIN_COMUGTPD): Ditto.
1269         (IX86_BUILTIN_COMUGEPD): Ditto.
1270         (IX86_BUILTIN_COMORDPD): Ditto.
1271         (IX86_BUILTIN_COMUNORDPD): Ditto.
1272         (IX86_BUILTIN_COMFALSEPD): Ditto.
1273         (IX86_BUILTIN_COMTRUEPD): Ditto.
1274         (IX86_BUILTIN_PCOMEQUB): Ditto.
1275         (IX86_BUILTIN_PCOMNEUB): Ditto.
1276         (IX86_BUILTIN_PCOMLTUB): Ditto.
1277         (IX86_BUILTIN_PCOMLEUB): Ditto.
1278         (IX86_BUILTIN_PCOMGTUB): Ditto.
1279         (IX86_BUILTIN_PCOMGEUB): Ditto.
1280         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
1281         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
1282         (IX86_BUILTIN_PCOMEQUW): Ditto.
1283         (IX86_BUILTIN_PCOMNEUW): Ditto.
1284         (IX86_BUILTIN_PCOMLTUW): Ditto.
1285         (IX86_BUILTIN_PCOMLEUW): Ditto.
1286         (IX86_BUILTIN_PCOMGTUW): Ditto.
1287         (IX86_BUILTIN_PCOMGEUW): Ditto.
1288         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
1289         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
1290         (IX86_BUILTIN_PCOMEQUD): Ditto.
1291         (IX86_BUILTIN_PCOMNEUD): Ditto.
1292         (IX86_BUILTIN_PCOMLTUD): Ditto.
1293         (IX86_BUILTIN_PCOMLEUD): Ditto.
1294         (IX86_BUILTIN_PCOMGTUD): Ditto.
1295         (IX86_BUILTIN_PCOMGEUD): Ditto.
1296         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
1297         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
1298         (IX86_BUILTIN_PCOMEQUQ): Ditto.
1299         (IX86_BUILTIN_PCOMNEUQ): Ditto.
1300         (IX86_BUILTIN_PCOMLTUQ): Ditto.
1301         (IX86_BUILTIN_PCOMLEUQ): Ditto.
1302         (IX86_BUILTIN_PCOMGTUQ): Ditto.
1303         (IX86_BUILTIN_PCOMGEUQ): Ditto.
1304         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
1305         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
1306         (IX86_BUILTIN_PCOMEQB): Ditto.
1307         (IX86_BUILTIN_PCOMNEB): Ditto.
1308         (IX86_BUILTIN_PCOMLTB): Ditto.
1309         (IX86_BUILTIN_PCOMLEB): Ditto.
1310         (IX86_BUILTIN_PCOMGTB): Ditto.
1311         (IX86_BUILTIN_PCOMGEB): Ditto.
1312         (IX86_BUILTIN_PCOMFALSEB): Ditto.
1313         (IX86_BUILTIN_PCOMTRUEB): Ditto.
1314         (IX86_BUILTIN_PCOMEQW): Ditto.
1315         (IX86_BUILTIN_PCOMNEW): Ditto.
1316         (IX86_BUILTIN_PCOMLTW): Ditto.
1317         (IX86_BUILTIN_PCOMLEW): Ditto.
1318         (IX86_BUILTIN_PCOMGTW): Ditto.
1319         (IX86_BUILTIN_PCOMGEW): Ditto.
1320         (IX86_BUILTIN_PCOMFALSEW): Ditto.
1321         (IX86_BUILTIN_PCOMTRUEW): Ditto.
1322         (IX86_BUILTIN_PCOMEQD): Ditto.
1323         (IX86_BUILTIN_PCOMNED): Ditto.
1324         (IX86_BUILTIN_PCOMLTD): Ditto.
1325         (IX86_BUILTIN_PCOMLED): Ditto.
1326         (IX86_BUILTIN_PCOMGTD): Ditto.
1327         (IX86_BUILTIN_PCOMGED): Ditto.
1328         (IX86_BUILTIN_PCOMFALSED): Ditto.
1329         (IX86_BUILTIN_PCOMTRUED): Ditto.
1330         (IX86_BUILTIN_PCOMEQQ): Ditto.
1331         (IX86_BUILTIN_PCOMNEQ): Ditto.
1332         (IX86_BUILTIN_PCOMLTQ): Ditto.
1333         (IX86_BUILTIN_PCOMLEQ): Ditto.
1334         (IX86_BUILTIN_PCOMGTQ): Ditto.
1335         (IX86_BUILTIN_PCOMGEQ): Ditto.
1336         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
1337         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
1338         (bdesc_ptest): Change OPTION_MASK_ISA_SSE4_1 to
1339         OPTION_MASK_ISA_ROUND for instructions that are shared between
1340         SSE4.1 and SSE5.
1341         (bdesc_2arg): Ditto.
1342         (bdesc_sse_3arg): Ditto.
1343         (enum multi_arg_type): New enum for describing the various SSE5
1344         intrinsic argument types.
1345         (bdesc_multi_arg): New table for SSE5 intrinsics.
1346         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
1347         (ix86_expand_multi_arg_builtin): New function for creating SSE5
1348         intrinsics.
1349         (ix86_expand_builtin): Add SSE5 intrinsic support.
1350         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
1351         operand instructions.
1352         (ix86_expand_sse5_multiple_memory): New function to split the
1353         second memory reference from SSE5 instructions.
1354         (type_has_variadic_args_p): Delete in favor of stdarg_p.
1355         (ix86_return_pops_args): Use stdarg_p to determine if the function
1356         has variable arguments.
1357         (ix86_setup_incoming_varargs): Ditto.
1358         (x86_this_parameter): Ditto.
1359
1360         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
1361         declaration.
1362         (ix86_expand_sse5_pack): Ditto.
1363         (ix86_sse5_valid_op_p): Ditto.
1364         (ix86_expand_sse5_multiple_memory): Ditto.
1365
1366         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
1367         constant for SSE5 support.
1368         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
1369         (UNSPEC_SSE5_TRUEFALSE): Ditto.
1370         (UNSPEC_SSE5_PERMUTE): Ditto.
1371         (UNSPEC_SSE5_ASHIFT): Ditto.
1372         (UNSPEC_SSE5_LSHIFT): Ditto.
1373         (UNSPEC_FRCZ): Ditto.
1374         (UNSPEC_CVTPH2PS): Ditto.
1375         (UNSPEC_CVTPS2PH): Ditto.
1376         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
1377         (PCOM_TRUE): Ditto.
1378         (COM_FALSE_S): Ditto.
1379         (COM_FALSE_P): Ditto.
1380         (COM_TRUE_S): Ditto.
1381         (COM_TRUE_P): Ditto.
1382         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
1383         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
1384         types.
1385         (memory attribute): Ditto.
1386         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1387         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
1388         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
1389         (floor<mode>2): Ditto.
1390         (ceil<mode>2): Ditto.
1391         (btrunc<mode>2): Ditto.
1392         (nearbyintdf2): Ditto.
1393         (nearbyintsf2): Ditto.
1394         (sse_setccsf): Disable if SSE5.
1395         (sse_setccdf): Ditto.
1396         (sse5_setcc<mode>): New support for SSE5 conditional move.
1397         (sse5_pcmov_<mode>): Ditto.
1398
1399         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
1400         (SSEMODEF4): Ditto.
1401         (SSEMODEF2P): Ditto.
1402         (ssemodesuffixf4): New mode attribute for SSE5.
1403         (ssemodesuffixf2s): Ditto.
1404         (ssemodesuffixf2c): Ditto.
1405         (sserotatemax): Ditto.
1406         (ssescalarmode): Ditto.
1407         (sse_maskcmpv4sf3): Disable if SSE5.
1408         (sse_maskcmpv2df3): Ditto.
1409         (sse_vmmaskcmpv4sf3): Ditto.
1410         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add
1411         instructions.
1412         (sse5_vmfmadd<mode>4): Ditto.
1413         (sse5_fmsub<mode>4): Ditto.
1414         (sse5_vmfmsub<mode>4): Ditto.
1415         (sse5_fnmadd<mode>4): Ditto.
1416         (sse5_vmfnmadd<mode>4): Ditto.
1417         (sse5_fnmsub<mode>4): Ditto.
1418         (sse5_vmfnmsub<mode>4): Ditto.
1419         (sse5i_fmadd<mode>4): Ditto.
1420         (sse5i_fmsub<mode>4): Ditto.
1421         (sse5i_fnmadd<mode>4): Ditto.
1422         (sse5i_fnmsub<mode>4): Ditto.
1423         (sse5i_vmfmadd<mode>4): Ditto.
1424         (sse5i_vmfmsub<mode>4): Ditto.
1425         (sse5i_vmfnmadd<mode>4): Ditto.
1426         (sse5i_vmfnmsub<mode>4): Ditto.
1427         (mulv16qi3): Add SSE5 support.
1428         (mulv4si3): Ditto.
1429         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
1430         (sse2_mulv4si3): Disable if SSE5.
1431         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
1432         (sse4_1_roundps): Ditto.
1433         (sse4_1_roundsd): Ditto.
1434         (sse4_1_roundss): Ditto.
1435         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
1436         be generated.
1437         (sse_maskcmpsf3): Ditto.
1438         (sse_vmmaskcmpv4sf3): Ditto.
1439         (sse2_maskcmpv2df3): Ditto.
1440         (sse2_maskcmpdf3): Ditto.
1441         (sse2_vmmaskcmpv2df3): Ditto.
1442         (sse2_eq<mode>3): Ditto.
1443         (sse2_gt<mode>3): Ditto.
1444         (sse5_pcmov_<mode>): Add SSE5 support.
1445         (vec_unpacku_hi_v16qi): Ditto.
1446         (vec_unpacks_hi_v16qi): Ditto.
1447         (vec_unpacku_lo_v16qi): Ditto.
1448         (vec_unpacks_lo_v16qi): Ditto.
1449         (vec_unpacku_hi_v8hi): Ditto.
1450         (vec_unpacks_hi_v8hi): Ditto.
1451         (vec_unpacku_lo_v8hi): Ditto.
1452         (vec_unpacks_lo_v8hi): Ditto.
1453         (vec_unpacku_hi_v4si): Ditto.
1454         (vec_unpacks_hi_v4si): Ditto.
1455         (vec_unpacku_lo_v4si): Ditto.
1456         (vec_unpacks_lo_v4si): Ditto.
1457         (sse5_pmacsww): New SSE5 intrinsic insn.
1458         (sse5_pmacssww): Ditto.
1459         (sse5_pmacsdd): Ditto.
1460         (sse5_pmacssdd): Ditto.
1461         (sse5_pmacssdql): Ditto.
1462         (sse5_pmacssdqh): Ditto.
1463         (sse5_pmacsdqh): Ditto.
1464         (sse5_pmacsswd): Ditto.
1465         (sse5_pmacswd): Ditto.
1466         (sse5_pmadcsswd): Ditto.
1467         (sse5_pmadcswd): Ditto.
1468         (sse5_pcmov_<move>): Conditional move support on SSE5.
1469         (sse5_phaddbw): New SSE5 intrinsic insn.
1470         (sse5_phaddbd): Ditto.
1471         (sse5_phaddbq): Ditto.
1472         (sse5_phaddwd): Ditto.
1473         (sse5_phaddwq): Ditto.
1474         (sse5_phadddq): Ditto.
1475         (sse5_phaddubw): Ditto.
1476         (sse5_phaddubd): Ditto.
1477         (sse5_phaddubq): Ditto.
1478         (sse5_phadduwd): Ditto.
1479         (sse5_phadduwq): Ditto.
1480         (sse5_phaddudq): Ditto.
1481         (sse5_phsubbw): Ditto.
1482         (sse5_phsubwd): Ditto.
1483         (sse5_phsubdq): Ditto.
1484         (sse5_pperm): Ditto.
1485         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
1486         (sse5_pperm_zero_v16qi_v8hi): Ditto.
1487         (sse5_pperm_sign_v8hi_v4si): Ditto.
1488         (sse5_pperm_zero_v8hi_v4si): Ditto.
1489         (sse5_pperm_sign_v4si_v2di): Ditto.
1490         (sse5_pperm_sign_v4si_v2di): Ditto.
1491         (sse5_pperm_pack_v2di_v4si): Ditto.
1492         (sse5_pperm_pack_v4si_v8hi): Ditto.
1493         (sse5_pperm_pack_v8hi_v16qi): Ditto.
1494         (sse5_perm<mode>): New SSE5 intrinsic insn.
1495         (rotl<mode>3): Ditto.
1496         (sse5_rotl<mode>3): Ditto.
1497         (sse5_ashl<mode>3): Ditto.
1498         (sse5_lshl<mode>3): Ditto.
1499         (sse5_frcz<mode>2): Ditto.
1500         (sse5s_frcz<mode>2): Ditto.
1501         (sse5_cvtph2ps): Ditto.
1502         (sse5_cvtps2ph): Ditto.
1503         (sse5_vmmaskcmp<mode>3): Ditto.
1504         (sse5_com_tf<mode>3): Ditto.
1505         (sse5_maskcmp<mode>3): Ditto.
1506         (sse5_maskcmp_uns<mode>3): Ditto.
1507         (sse5_maskcmp_uns2<mode>3): Ditto.
1508         (sse5_pcom_tf<mode>3): Ditto.
1509
1510         * config/i386/predicates.md (const_0_to_31_operand): New predicate
1511         to match 0..31.
1512         (sse5_comparison_float_operator): New predicate to match the
1513         comparison operators supported by the SSE5 com instruction.
1514         (ix86_comparison_int_operator): New predicate to match just the
1515         signed int comparisons.
1516         (ix86_comparison_uns_operator): New predicate to match just the
1517         unsigned int comparisons.
1518
1519         * doc/invoke.texi (-msse5): Add documentation.
1520         (-mfused-madd): Ditto.
1521
1522         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
1523
1524         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
1525         mmintrin-common.h.
1526         (x86_64-*-*): Ditto.
1527
1528         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
1529
1530         * config/i386/bmmintrin.h: New file, provide common x86 compiler
1531         intrinisics for SSE5.
1532
1533         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
1534         mmintrin-common.h.
1535
1536         * config/i386/mmintrin-common.h: New file, to contain common
1537         instructions between SSE4.1 and SSE5.
1538
1539         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
1540         FOREACH_FUNCTION_ARGS to iterate over the argument list.
1541         (gen_regparm_prefix): Ditto.
1542
1543         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
1544         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
1545         prototype_p to determine if a function is prototyped.
1546
1547 2007-09-12  Janis Johnson  <janis187@us.ibm.com>
1548
1549         * config/dfp-bit.c (dfp_conversion_exception): New function.
1550         (DFP_TO_DFP) Add new variants to use direct conversions in decNumber.
1551         (DFP_TO_INT): Ditto.
1552         (INT_TO_DFP): Ditto.
1553         * config/dfp-bit.h (DEC_FLOAT_FROM_INT, DEC_FLOAT_TO_INT): New.
1554
1555 2007-09-12  Jakub Jelinek  <jakub@redhat.com>
1556
1557         PR target/32338
1558         * config/ia64/ia64.c (ia64_expand_epilogue): Emit blockage
1559         before sp restoration even when total_size is 0, but
1560         frame_pointer_needed.
1561
1562 2007-09-12  Bob Wilson  <bob.wilson@acm.org>
1563
1564         * config/xtensa/xtensa.c (machine_function): Add vararg_a7_copy.
1565         (xtensa_copy_incoming_a7): Use start_sequence instead of
1566         push_to_sequence.  Stash insns in vararg_a7_copy for builtin_saveregs.
1567         (xtensa_builtin_saveregs): Place code from vararg_a7_copy at the start
1568         of the saveregs sequence.
1569
1570 2007-09-12  Richard Sandiford  <richard@codesourcery.com>
1571
1572         * c-tree.h (grokfield): Add a "tree *" argument.
1573         * c-decl.c (grokdeclarator): Take a pointer to the decl's attributes.
1574         Chain nested decl attributes to it.  Don't call decl_attributes here.
1575         (groktypename): Pass grokdeclarator a pointer to the attribute list.
1576         (start_decl, grokparm, push_parm_decl, start_function): Likewise.
1577         (grokfield): Take a pointer to the decl's attributes and pass
1578         it to grokdeclarator.
1579         * c-parser.c (c_parser_struct_declaration): Update the calls to
1580         grokfield.  Call decl_attributes for anonymous struct and union
1581         fields.
1582
1583 2007-09-12  Jan Hubicka  <jh@suse.cz>
1584
1585         * c-objc-common.h (LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION): Kill.
1586
1587 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1588
1589         PR tree-optimization/32377
1590         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Distinguish
1591         between positive and negative dependence distance using DDR_REVERSED_P.
1592
1593 2007-09-12  Dorit Nuzman  <dorit@il.ibm.com>
1594
1595         PR tree-optimization/33373
1596         * tree-vect-analyze (vect_determine_vectorization_factor): Call
1597         TREE_INT_CST_LOW when comparing TYPE_SIZE_UNIT.
1598
1599 2007-09-12  Jan Hubicka  <jh@suse.cz>
1600
1601         PR target/33393
1602         * i386.md (floatsisf2_mixed_memory, floatsisf2_sse_memory): Disable
1603         for !SSE_MATH
1604
1605 2007-09-12  Christian Bruel  <christian.bruel@st.com>
1606
1607         * sh.h (SH_DBX_REGISTER_NUMBER): Added fpscr, fixed sr/gbr regs.
1608         * linux-unwind.h (SH_DWARF_FRAME_GBR): fixed.
1609
1610 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1611
1612         * tree-vect-transform.c (vect_get_slp_defs): Don't build a vector
1613         for oprnd1 if not required.
1614         (vectorizable_operation): Use scalar operand in SLP in case of
1615         shift with scalar argument.
1616
1617 2007-09-12  Ira Rosen  <irar@il.ibm.com>
1618
1619         * params.def (PARAM_MIN_VECT_LOOP_BOUND): Change default and minimum
1620         to 1.
1621
1622 2007-09-11  James E. Wilson  <wilson@specifix.com>
1623
1624         * defaults.h (DWARF2_UNWIND_INFO): Don't define if
1625         TARGET_UNWIND_INFO is defined.
1626         * config/ia64/ia64.h (INCOMING_RETURN_ADDR_RTX): Delete undef
1627         after definition.
1628
1629 2007-09-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1630
1631         * config/sh/sh.c (calc_live_regs): Use
1632         current_function_saves_all_registers instead of
1633         current_function_has_nonlocal_label.
1634         (sh_allocate_initial_value): Likewise.
1635         (sh_get_pr_initial_val): Likewise.
1636         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Likewise.
1637         * config/sh/sh.md (load_ra): Likewise.
1638
1639 2007-09-12  Hans-Peter Nilsson  <hp@axis.com>
1640
1641         * config/cris/t-linux (LIMITS_H_TEST): Only define if not inhibit_libc.
1642
1643         PR target/33360
1644         * config/cris/cris.c (cris_expand_pic_call_address): Fix typo in
1645         GET_CODE (x) == CONST_INT to CONST_INT_P (x) transformation.
1646
1647 2007-09-12  Sa Liu  <saliu@de.ibm.com>
1648
1649         * config/spu/spu.c (spu_emit_branch_or_set): Handle NaN values as
1650         operands to DFmode GE or LE compares.
1651
1652 2007-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
1653
1654         * config/bfin/bfin.h (enum reg_class, REG_CLASS_CONTENTS,
1655         REG_CLASS_NAMES): Add P0REGS.
1656         (REGNO_REG_CLASS): Return it where appropriate.
1657         (REG_CLASS_FROM_CONSTRAINT): Add 'qA'.
1658         (CLASS_LIKELY_SPILLED_P): P0REGS is likely_spilled.
1659         * doc/md.texi (Blackfin family): Document 'q' constraints.
1660
1661 2007-09-11  Steve Kenton  <skenton@ou.edu>
1662
1663         * pa/linux-unwind.h: Guard with inhibit_libc.
1664         * pa/hpux-unwind.h: Likewise.
1665
1666 2007-09-11  David Daney  <ddaney@avtrex.com>
1667
1668         * doc/invoke.texi: Document new MIPS -mllsc and -mno-llsc options.
1669         * doc/install.texi: Document new --with-llsc and --without-llsc
1670         options.
1671         * config.gcc: Handle --with-llsc and --without-llsc configure options.
1672         * config/mips/mips.md (sync, memory_barrier): Wrap sync instrunction
1673         in %| and %- operand codes.  Depend on GENERATE_SYNC instead of
1674         ISA_HAS_SYNC.
1675         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
1676         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
1677         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
1678         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
1679         sync_new_nand<mode>, sync_lock_test_and_set<mode>): Depend on
1680         GENERATE_LL_SC instead of ISA_HAS_LL_SC.
1681         * config/mips/mips.opt (mllsc): New option.
1682         * config/mips/mips.c (mips_llsc): Define variable.
1683         (mips_handle_option): Handle mllsc option.
1684         (override_options): Set mips_print_operand_punct for '|' and '-'.
1685         (print_operand): Add new %| and %- operand codes.
1686         * config/mips/mips.h (mips_llsc_setting): New enum type.
1687         (mips_llsc): Declare.
1688         (OPTION_DEFAULT_SPECS): Add llsc handling.
1689         (GENERATE_SYNC): New macro.
1690         (GENERATE_LL_SC): New macro.
1691         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
1692         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
1693         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): Wrap instructions
1694         in %| and %- operand codes.
1695
1696 2007-09-11  Eric Botcazou  <ebotcazou@adacore.com>
1697
1698         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Deal with
1699         TYPE_NONALIASED_COMPONENT like with DECL_NONADDRESSABLE_P.
1700
1701 2007-09-11  Jason Merrill  <jason@redhat.com>
1702
1703         PR middle-end/27945
1704         * stor-layout.c (layout_decl): Do pack variable size fields.
1705
1706 2007-09-11  Maxim Kuvyrkov  <maxim@codesourcery.com>
1707
1708         * config/m68k/predicates.md (movsi_const0_operand,
1709         non_symbolic_call_operand): New predicates.
1710
1711         * config/m68k/constraints.md (Cs, Ci, C0, Cj, CQ, CW, CZ, CS, Ap, Ac):
1712         New constraints.
1713         * doc/md.texi (Constraints for Particular Machines: Motorola 680x0):
1714         Document constraints N, O, P, R, S, T, Q, U, W, Cs, Ci, C0, Cj, CQ,
1715         CW, CZ, CS, Ap and Ac.
1716
1717         * config/m68k/m68k.md (UNSPEC_IB): New constant.
1718         (constraints.md): New include.
1719         (cpu, type, type1, opx, opy, opx_type, opy_type, size, opx_access,
1720         opx_mem, opy_mem, op_mem, guess, split): New attributes.
1721         (movdf_internal): Name pattern.  Fix to use alternatives.  Add split.
1722         Specify attributes.
1723         (pushdi): Add split.
1724         (tstsi_internal): Name pattern.  Fix to use alternatives.  Specify
1725         attributes.  Split tstsi_internal_68020_cf from it.
1726         (tstsi_internal_68020_cf): New pattern.
1727         (tsthi_internal, tstqi_internal): Name pattern.  Specify attributes.
1728         (tst<mode>_cf): Specify attributea.
1729         (cmpsi_cf): Name pattern.  Specify attributes.
1730         (cmp<mode>_68881, cmp<mode>_cf): Specify type attribute.
1731         (pushexthisi_const): Fix to use alternatives.  Specify
1732         attributes.
1733         (movsi_const0): Split movsi_const0_68000_10 and movsi_const0_68040_60
1734         from it.  Fix to use alternatives.  Specify attributes.
1735         (movsi_const0_68040_10, movsi_const0_68040_60): New patterns.
1736         (movsi_cf, movstrictqi_cf): Fix to use alternatives.  Specify
1737         attributes.
1738         (movsf_cf_soft): Specify attributes.
1739         (movdf_cf_soft): Add split.
1740         (pushasi, zero_extendhisi2_cf, zero_extendqisi2_cfv4,
1741         cfv4_extendhisi2, 68k_extendhisi2, extendqihi2, cfv4_extendqisi2,
1742         68k_extendqisi2, truncdfsf2_cf): Specify attributes.
1743         (truncdfsf2_68881): Name pattern.  Specify attributes.
1744         (floatsi<mode>2_cf, floathi<mode>2_68881, floathi<mode>2_cf,
1745         floatqi<mode>2_68881, floatqi<mode>2_cf, ftrunc<mode>2_cf,
1746         fix<mode>qi2_cf, fix<mode>hi2_cf, fix<mode>si2_cf, adddi_dishl32):
1747         Specify attributes.
1748         (addsi3_5200): Fix to use alternatives.  Specify attributes.
1749         Add splits.
1750         (add<mode>3_cf, subdi_dishl32): Specify attributes.
1751         (subsi3): Add alternative for subq.l.  Specify attributes.
1752         (sub<mode>3_cf, mulhi3, mulhisi3): Specify attributes.
1753         (mulhisisi3_s, mulsi3_68020, mulsi3_cf): Name pattern.  Specify
1754         attributes.
1755         (umulhisi3): Specify attributes.
1756         (mulhisisi3_z): Name pattern.  Specify attributes.
1757         (fmul<mode>3_cf, div<mode>3_cf, negsi2_internal, negsi2_5200,
1758         sqrt<mode>2_68881, clzsi2, one_cmplsi2_5200, subreghi1ashrdi_const32,
1759         subregsi1ashrdi_const32, ashrsi3, subreg1lshrdi_const32, lshrsi3,
1760         bsetmemqi): Specify attributes.
1761         (bsetmemqi_ext): Name pattern.  Specify attributes.
1762         (bclrmemqi): Specify attributes.
1763         (bclrmemqi_ext, scc, sls): Name pattern.  Specify attributes.
1764         (beq, bne, bgt, bgtu, blt, bltu, bge, bgeu, ble, bleu): Specify
1765         attributes.
1766         (beq2, bne2, bgt2, bgtu2, blt2, bltu2, bge2, bgeu2, ble2, bleu2): Name
1767         pattern.  Specify attributes.
1768         (jump): Specify attributes.
1769         (tablejump_internal): Name pattern.  Specify attributes.
1770         (call_value): Split into non_symbolic_call_value,
1771         symbolic_call_value_jsr, symbolic_call_value_bsr.  Fix to use
1772         alternatives.  Specify attributes.
1773         (non_symbolic_call_value, symbolic_call_value_jsr,
1774         symbolic_call_value_bsr): New patterns.
1775         (nop, return, unlink, indirect_jump): Specify attributes.
1776         (trap): Fix condition.  Specify attributes.
1777         (ib): New pattern.
1778
1779         * config/m68k/m68k.c (m68k_symbolic_call_var): New variable.
1780         (override_options): Initialize it.  Initialize m68k_sched_cpu.
1781         (CONST_METHOD): Rename to M68K_CONST_METHOD, move to m68k.h.
1782         (const_method): Make global, rename to m68k_const_method.
1783         (const_int_cost, output_move_const_into_data_reg): Update.
1784         (output_move_double): Parametrize to emit rtl code, rename to
1785         handle_move_double.
1786         (output_reg_adjust, emit_reg_adjust, output_compadr, output_movsi,
1787         emit_movsi): New static functions.
1788         (output_move_double): New function with semantics of old
1789         output_move_double.
1790         (m68k_emit_move_double): New function.
1791         (m68k_sched_cpu): New variable.
1792         (attr_op_type): New enum.
1793         (sched_guess_p): New variable.
1794         (sched_address_type, sched_operand_type, sched_attr_op_type):
1795         New static functions.
1796         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1797         m68k_sched_attr_size, m68k_sched_attr_op_mem): New functions.
1798         (sched_branch_type): New static variable.
1799         (m68k_sched_branch_type): New function.
1800         * config/m68k/m68k.h (M68K_SYMBOLIC_CALL): New enum.
1801         (m68k_symbolic_call_var): Declare.
1802         (M68K_CONST_METHOD): Rename from CONST_METHOD.  Move here from m68k.c.
1803         (m68k_const_method, m68k_emit_move_double, m68k_sched_cpu,
1804         m68k_sched_attr_opx_type, m68k_sched_attr_opy_type,
1805         m68k_sched_attr_size, m68k_sched_attr_op_mem, m68k_sched_branch_type):
1806         Declare.
1807
1808 2007-09-11  Jakub Jelinek  <jakub@redhat.com>
1809
1810         * builtins.def (BUILT_IN_VA_ARG_PACK_LEN): New builtin.
1811         * builtins.c (expand_builtin) <case BUILT_IN_VA_ARG_PACK_LEN>: Issue
1812         error if __builtin_va_arg_pack_len () wasn't optimized out during
1813         inlining.
1814         * tree-inline.c (copy_bb): Replace __builtin_va_arg_pack_len ()
1815         with the number of inline's anonymous arguments.
1816         * doc/extend.texi: Document __builtin_va_arg_pack_len ().
1817
1818 2007-09-11  Zdenek Dvorak  <ook@ucw.cz>
1819
1820         * fold-const.c (extract_muldiv_1): Do not simplify
1821         var * c * c to var.
1822
1823 2007-09-11  Jan Hubicka <jh@suse.cz>
1824
1825         * i386.h (ix86_tune_indices): Add X86_TUNE_INTER_UNIT_CONVERSIONS.
1826         (TARGET_INTER_UNIT_CONVERSIONS): New.
1827         * i386.md (floatsi expanders): Remove redundant check for SImode
1828         source; offload to memory when asked for.
1829         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse
1830         floatdisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
1831         Update conditions;
1832         (floatsisf2_mixed_memory, floatsisf2_sse_memory,
1833         floatsidf2_mixed_memory, floatsidf2_sse_memory
1834         floatdisf2_mixed_memory, floatsisf2_sse_memory,
1835         floatsidf2_mixed_memory, floatsidf2_sse_memory): New.
1836
1837 2007-09-11  Jan Hubicka <jh@suse.cz>
1838
1839         * toplev.c (process_options): all frontends now do unit-at-a-time.
1840         * cgraphunit.c: update comments.
1841         (cgraph_expand_function): call passmanager dirrectly; emit thunks.
1842         * c-decl.c (finish_function): use cgraph_add_new_function.
1843         * function.c (expand_function_end): We are always unit-at-a-time.
1844
1845 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1846
1847         * config/mips/mips.c (mips_set_mips16_mode): Use separate anchor
1848         settings for MIPS16.
1849         (mips_use_anchors_for_symbol_p): Use default_use_anchors_for_symbol_p.
1850
1851 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1852
1853         * config/mips/mips.c (mips_symbol_insns_1): Allow LEAs of
1854         SYMBOL_FORCE_TO_MEM constants.
1855         (mips_rtx_costs): Give a cost of 1 to force_to_mem_operands.
1856         (mips16_rewrite_pool_refs_info): New structure.
1857         (mips16_rewrite_pool_constant): New function, split out from...
1858         (mips16_rewrite_pool_refs): ...here.  Take a pointer to a
1859         mips16_rewrite_pool_refs_info structure rather than a pointer
1860         to a constant pool.  Force force_to_mem_operands into memory.
1861         (mips16_lay_out_constants): Update call to mips16_rewrite_pool_refs.
1862         * config/mips/predicates.md (force_to_mem_operand): New predicate.
1863         * config/mips/constraints.md (kf): New constraint.
1864         * config/mips/mips.md (*movdi_64bit_mips16): Add a d <- kf alternative.
1865         (*movsi_mips16): Likewise.
1866
1867 2007-09-11  Richard Sandiford  <richard@codesourcery.com>
1868             Nigel Stephens  <nigel@mips.com>
1869             David Ung  <davidu@mips.com>
1870
1871         * config/mips/mips.h (CONSTANT_POOL_COST): Move to...
1872         * config/mips/mips.c: ...here and set to 4 for TARGET_MIPS16.
1873         (mips16_constant_cost, mips_immediate_operand_p, mips_binary_cost)
1874         (mips_fp_mult_cost, mips_fp_div_cost, mips_sign_extend_cost)
1875         (mips_zero_extend_cost): New functions.
1876         (mips_rtx_costs): Treat COMPARE constants as having zero cost.
1877         Use the new functions.  Tweak many cost estimates, both here
1878         and in the new subroutines.  Return false when the cost of the
1879         operands has not been calculated.  Check for *clear_upper32.
1880         Check for floating-point multiply-add, reciprocal and rsqrt
1881         patterns.  Handle comparison and rotation codes.
1882
1883 2007-09-11  Danny Smith  <dannysmith@users.sourceforge.net>
1884
1885         * config/i386/cygming.h (TARGET_STRIP_NAME_ENCODING): Don't
1886         override default.
1887         * config/i386/i386.c (get_dllimport_decl): Don't strip
1888         FASTCALL_PREFIX.
1889
1890 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1891
1892         PR c/30013
1893         * config/dfp-bit.c: Don't skip TFmode conversions; move strto*
1894         declarations to top.
1895         (DFP_TO_BFP): Use for either XFmode or TFmode.
1896         (BFP_TO_DFP): Use for either XFmode or TFmode; always use cast
1897         of BFP_VIA_TYPE.
1898         * config/dfp-bit.h: Include float.h.
1899         (LONG_DOUBLE_HAS_XF_MODE, LONG_DOUBLE_HAS_TF_MODE): Define if long
1900         double is one of these modes, rather than using LIBGCC_HAS_*F_MODE
1901         which doesn't mean the same thing.
1902         (BFP_KIND): Use 4 to mean TFmode.
1903         (BFP_FMT): Specify the number of decimal digits based on the
1904         number of mantissa digits.
1905         (BFP_VIA_TYPE): Binary float type to use as cast for sprintf.
1906         (BFP_TO_DFP, DFP_TO_BFP): Define names for TFmode variants.
1907         (STR_TO_BFP): Use strtold for XFmode or TFmode.
1908         (TFtype): Define if TFmode is supported.
1909         * doc/libgcc.texi (Decimal float library routines): Document
1910         TF conversion functions.
1911
1912 2007-09-10  Chao-ying Fu  <fu@mips.com>
1913
1914         * config/mips/mips.c (mips_scalar_mode_supported_p): Declare.
1915         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1916         (mips_emit_compare): Process fixed-point modes.
1917         (mips_pad_arg_upward): Support fixed-point types.
1918         (override_options): Allow fixed-point modes in accumulators.
1919         (mips_pass_by_reference): Pass DQ, UDQ, DA, and UDA modes in registers.
1920         (mips_vector_mode_supported_p): Support V2HQmode, V2UHQmode, V2HAmode,
1921         V2UHAmode, V4QQmode, and V4UQQmode when TARGET_DSP.
1922         (mips_scalar_mode_supported_p): New function to accept fixed-point
1923         modes if the width is not greater than two BITS_PER_WORD.
1924         * config/mips/mips.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
1925         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
1926         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
1927         LONG_LONG_ACCUM_TYPE_SIZE): Define.
1928         * config/mips/mips.md ("d"): Update mode attribute for fixed-point
1929         modes.
1930         ("IMODE"): New mode attribute.
1931         (mips-fixed.md): Include.
1932         * config/mips/mips-modes.def: Create VECTOR_MODES for FRACT, UFRACT,
1933         ACCUM, UACCUM.
1934         * config/mips/mips-fixed.md: New file.
1935
1936 2007-09-11  Ben Elliston  <bje@au.ibm.com>
1937
1938         * config/spu/spu.md: Formatting fixes.
1939
1940 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
1941
1942         * config/dfp-bit.c (dfp_unary_func): Delete.
1943         (dfp_unary_op): Delete.
1944         (dfp_binary_op): Use decFloat functions instead of decNumber
1945         functions for binary operations.
1946         (d32_binary_op): Convert 32-bit operands to 64 bits for evaluation.
1947         (dnn_binary_op): Call dfp_binary_op with decFloat rather than
1948         DFP_C_TYPE.
1949         (dfp_compare_op): Use decFloat functions insteadof decNumber
1950         functions for comparisons.
1951         (d32_compare_op): Convert 32-bit operands to 64 bits for evaluation.
1952         (dnn_binary_op): Call dfp_compare_op with decFloat rather than
1953         DFP_C_TYPE.
1954         (DFP_ADD, DFP_SUB, DFP_MULTIPLE, DFP_DIVIDE): Use macros for
1955         call to dxx_binary_op and decFloat function.
1956         (DFP_EQ, DFP_NE, DFP_LT, DFP_GT, DFP_LE, DFP_GE): Use macros for
1957         calls to dxx_binary_op and decFloat function.
1958         * config/dfp-bit.h: Include decFloat header files.
1959         (decFloat, DFP_BINARY_OP, DFP_COMPARE_OP, DEC_FLOAT_ADD,
1960         DEC_FLOAT_SUBTRACT, DEC_FLOAT_MULTIPLY, DEC_FLOAT_DIVIDE,
1961         DEC_FLOAT_COMPARE, DEC_FLOAT_IS_ZERO, DEC_FLOAT_IS_NAN,
1962         DEC_FLOAT_IS_SIGNED: Define for each of 3 operand widths.
1963
1964 2007-09-10  Harsha Jagasia <harsha.jagasia@amd.com>
1965             Jan Sjodin <jan.sjodin@amd.com>
1966
1967         * tree-vect-analyze.c (vect_analyze_operations): Change
1968         comparison of loop iterations with threshold to less than
1969         or equal to instead of less than. Reduce
1970         min_scalar_loop_bound by one.
1971         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
1972         Change prologue and epilogue iterations estimate to vf/2,
1973         when unknown at compile-time. Change versioning guard
1974         cost to taken_branch_cost. If peeling for alignment is
1975         unknown at compile-time, change peel guard costs to one
1976         taken branch and one not-taken branch per peeled loop.
1977         If peeling for alignment is known but number of scalar loop
1978         iterations is unknown at compile-time, change peel guard
1979         costs to one taken branch per peeled loop. Change the cost
1980         model equation to consider vector iterations as the loop
1981         iterations less the prologue and epilogue iterations.
1982         Change outside vector cost check to less than or equal to
1983         zero instead of equal to zero.
1984         (vect_do_peeling_for_loop_bound): Reduce
1985         min_scalar_loop_bound by one.
1986         * tree-vectorizer.h: Add TARG_COND_TAKEN_BRANCH_COST and
1987         TARG_COND_NOT_TAKEN_BRANCH_COST.
1988         * config/i386/i386.h (processor_costs): Add
1989         scalar_stmt_cost, scalar_load_cost, scalar_store_cost,
1990         vec_stmt_cost, vec_to_scalar_cost, scalar_to_vec_cost,
1991         vec_align_load_cost, vect_unalign_load_cost,
1992         vec_store_cost, cond_taken_branch_cost,
1993         cond_not_taken_branch_cost.
1994         Define macros for x86 costs.
1995         * config/i386/i386.c:
1996         (size_cost): Set scalar_stmt_cost, scalar_load_cost,
1997         scalar_store_cost, vec_stmt_cost, vec_to_scalar_cost,
1998         scalar_to_vec_cost, vec_align_load_cost,
1999         vect_unalign_load_cost, vec_store_cost,
2000         cond_taken_branch_cost, cond_not_taken_branch_cost to one.
2001         (i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2002         geode_cost, k6_cost, athlon_cost, pentium4_cost, nocona_cost,
2003         core2_cost, generic64_cost, generic32_cost): Set to default
2004         untuned costs.
2005         (k8_cost, amdfam10_cost): Costs for vectorization tuned.
2006         (x86_builtin_vectorization_cost): New.
2007
2008 2007-09-10  Janis Johnson  <janis187@us.ibm.com>
2009             Ben Elliston  <bje@au.ibm.com>
2010
2011         * dfp.c: Include decimal128Local.h;
2012         (dfp_byte_swap): Remove.
2013         (encode_decimal32, decode_decimal32): Don't handle endianness.
2014         (encode_decimal64, decode_decimal64): Ditto.
2015         (encode_decimal128, decode_decimal128): Ditto.
2016         * config/dfp-bit.c (host_to_ieee32, ieee_to_host_32): Ditto.
2017         (__swap64): Remove.
2018         (host_to_ieee_64, ieee_to_host_64): Don't handle endianness.
2019         (__swap128): Remove
2020         (host_to_ieee_128, ieee_to_host_128): Don't handle endianness.
2021         * Makefile.in (DECNUM_H): Add decimal128Local.h.
2022
2023 2007-09-10  David Daney  <ddaney@avtrex.com>
2024
2025         * config/mips/mips.md (UNSPEC_MEMORY_BARRIER): New entry in
2026         define_constants.
2027         (memory_barrier): Rewrote as an insn that clobbers memory.
2028
2029 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2030
2031         * config/mips/mips.c (mips_global_pointer): Check
2032         call_really_used_regs instead of call_used_regs.
2033         (mips_save_reg_p): Likewise.  Save all call-saved registers
2034         if current_function_saves_all_registers.  Fix indentation.
2035         No longer treat $18 as a special case.
2036         (compute_frame_size): Guard FPR loop with TARGET_HARD_FLOAT.
2037
2038 2007-09-10  Richard Sandiford  <richard@codesourcery.com>
2039
2040         * config/mips/mips.h (MIPS_ARCH_FLOAT_SPEC): New macro.
2041         * config/mips/mips.c (mips_cpu_info_table): Mention it in the
2042         the introductory comment.
2043         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2044         (override_options): Don't test for it.
2045         * config/mips/sde.h (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Delete.
2046         (DRIVER_SELF_SPECS): Add MIPS_ARCH_FLOAT_SPEC.
2047         * config/mips/vr.h: As for config/mips/sde.h.
2048
2049 2007-09-10  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2050             Revital Eres  <eres@il.ibm.com>
2051
2052         * target.h (struct gcc_target.sched): New field: sms_res_mii.
2053         (struct ddg): Define.
2054         * target-def.h (TARGET_SCHED_SMS_RES_MII): Define.
2055         (TARGET_SCHED): Add TARGET_SCHED_SMS_RES_MII.
2056         * config/spu/spu.c: Include ddg.h.
2057         (TARGET_SCHED_SMS_RES_MII): Define.
2058         (spu_sms_res_mii): New function to calculate mii.
2059         * modulo-sched (res_MII): Use it.
2060         * doc/tm.texi: Document TARGET_SCHED_SMS_RES_MII.
2061
2062 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2063
2064         * config/s390/s390.c (s390_dump_pool): Create copy of constant
2065         pool entries since they might hold values that must not be shared.
2066
2067 2007-09-10  Uros Bizjak  <ubizjak@gmail.com>
2068
2069         PR target/33369
2070         * gcc/config/i386/sse.md (ashr<mode>3): Change op2 mode to SImode.
2071         Use 'N' operand constraint for op2.
2072         (lshr<mode>3): Ditto.
2073         (ashl<mode>3): Ditto.
2074         (vec_shl_<mode>): Use const_0_to_255_mul_8_operand predicate for op2.
2075         (vec_shr_<mode>): Ditto.
2076         * gcc/config/i386/i386.c (ix86_expand_builtin) [IX86_BUILTIN_PSLL?128,
2077         IX86_BUILTIN_PSRA*?128, IX86_BUILTIN_PSRL?128]: Convert op1 to SImode.
2078
2079 2007-09-10  Andreas Krebbel  <krebbel1@de.ibm.com>
2080
2081         * config/s390/s390.md ("fixuns_trunc<BFP:mode><GPR:mode>2"):
2082         Change mode macro in the last real_2expN parameter to uppercase.
2083
2084 2007-09-10  Michael Matz  <matz@suse.de>
2085
2086         * tree-pass.h (pass_cselim): Declare new pass.
2087         * passes.c (init_optimization_passes): Link in pass_cselim.
2088         * tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Renamed from
2089         tree_ssa_phiopt; add do_store_elim parameter, handle it by calling
2090         cond_store_replacement.
2091         (condstoretemp): New static variable.
2092         (cond_store_replacement): New function.
2093         (tree_ssa_phiopt, tree_ssa_cs_elim): New wrappers around
2094         tree_ssa_phiopt_worker.
2095         (struct name_to_bb): New.
2096         (get_non_trapping, name_to_bb_hash, name_to_bb_eq, add_or_mark_expr,
2097         nt_init_block, nt_fini_block): New static functions.
2098         (seen_ssa_names, nontrap_set): New static variables.
2099         (gate_cselim, pass_cselim): Define new pass.
2100         * common.opt (ftree-cselim): New flag.
2101         * toplev.c (process_options): Set flag_tree_cselim if required.
2102
2103 2007-09-10  Hans-Peter Nilsson  <hp@axis.com>
2104
2105         * simplify-rtx.c (simplify_relational_operation_1): For recent
2106         canonicalization, don't recurse if op1 equals both PLUS arguments.
2107
2108 2007-09-09  David Daney  <ddaney@avtrex.com>
2109
2110         * optabs.c (expand_sync_operation):  Use plus insn if minus
2111         CONST_INT_P(val).
2112         (expand_sync_fetch_operation):  Ditto.
2113
2114 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2115
2116         * i386.md (*floatsisf2_mixed_vector): Use cvtdq2ps instead
2117         of cvtpq2ps.
2118         (*floatsisf2_sse_vector): Likewise.
2119
2120 2007-09-09  Krister Walfridsson  <cato@df.lth.se>
2121
2122         * config/netbsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
2123
2124 2007-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2125
2126         * config/i386/i386.h (ix86_tune_indices): Rename
2127         X86_USE_VECTOR_CONVERTS to X86_TUNE_USE_VECTOR_CONVERTS.
2128         (TARGET_USE_VECTOR_CONVERTS): Updated.
2129         * config/i386/i386.c: Likewise.
2130
2131 2007-09-09  Sandra Loosemore  <sandra@codesourcery.com>
2132             Nigel Stephens <nigel@mips.com>
2133
2134         * doc/invoke.texi (Overall Options):  Add .sx file extension
2135         as a synonym for .S.
2136         * cppspec.c (known_suffixes): Likewise.
2137         * gcc.c (default_compilers): Likewise.
2138
2139 2007-09-09  Rask Ingemann Lambertsen  <rask@sygehus.dk>
2140
2141         PR target/30315
2142         * config/i386/i386.h (CANONICALIZE_COMPARISON): Delete.
2143         * simplify-rtx.c (simplify_relational_operation_1): Add the
2144         canonicalization from i386.h.
2145         * doc/md.texi (Canonicalization of Instructions): Document it.
2146
2147 2007-09-09  Jan Hubicka  <jh@suse.cz>
2148             Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2149
2150         * i386.h (ix86_tune_indices): Add X86_USE_VECTOR_CONVERTS.
2151         (TARGET_USE_VECTOR_CONVERTS): New.
2152         * i386.md: New post-reload splitters for converting SF to DF and DF to
2153         SF.
2154         (floatsi* expander): Special case vector conversions.
2155         (floatsisf2_mixed_vector, floatsisf2_sse_vector_nointernunit,
2156         floatsisf2_sse_vector_internunit, floatsisf2_sse_vector,
2157         floatsidf2_mixed_vector, floatsidf2_sse_vector): New.
2158         (floatsisf2_mixed, floatsisf2_sse, floatsidf2_mixed, floatsidf2_sse):
2159         Disable when doing vector converts.
2160         (floatsi<mode>2_i387): Disable when
2161         * sse.md (vec_dupv2df): Export.
2162         * i386.c (ix86_tune_features): Enable SSE conversions.
2163
2164 2007-09-09  Richard Guenther  <rguenther@suse.de>
2165
2166         * tree-ssa-operands.c (add_virtual_operand): Only mark
2167         stores as has_volatile_ops if alias information is not available.
2168
2169 2007-09-09  Revital Eres  <eres@il.ibm.com>
2170
2171         * doc/contrib.texi: Add myself.
2172
2173 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2174
2175         * tree-vectorizer.h (stmt_vinfo_set_inside_of_loop_cost,
2176         stmt_vinfo_set_outside_of_loop_cost): New functions.
2177         * tree-vect-transform.c (vect_get_cost_fields): Remove.
2178         (vect_model_simple_cost): Call
2179         stmt_vinfo_set_inside/outside_of_loop_cost to set the relevant cost
2180         field instead of calling vect_get_cost_fields.
2181         (vect_model_store_cost, vect_model_load_cost): Likewise.
2182
2183 2007-09-09  Revital Eres  <eres@il.ibm.com>
2184
2185         * config/rs6000/rs6000.c (paired_init_builtins): Add const
2186         declaration to bdesc_paired_preds variable.
2187         (paired_expand_builtin): Likewise.
2188
2189 2007-09-09  Revital Eres  <eres@il.ibm.com>
2190
2191         * dbgcnt.def (sms_sched_loop): New counter.
2192         * modulo-sched.c: Use sms_sched_loop instead of
2193         MAX_SMS_LOOP_NUMBER to determine the maximum number of loops to
2194         perform swing modulo scheduling on.  Include dbgcnt.h.
2195         * Makefile.in: Add DBGCNT_H to modulo-sched.o.
2196         * params.def: Remove PARAM_MAX_SMS_LOOP_NUMBER.
2197
2198 2007-09-09  Uros Bizjak  <ubizjak@gmail.com>
2199
2200         * config/i386/i386.md (X87MODEF12, SSEMODEF): Remove mode iterators.
2201         Substitute all uses with ...
2202         (MODEF): New mode iterator.
2203
2204         (fix_trunc<mode>_fisttp_i387_1): Remove operand constraints
2205         from pre-regalloc define_insn_and_split splitter pattern.
2206         (*fix_trunc<mode>_i387_1): Ditto.
2207         (*fistdi2_1): Ditto.
2208         (*fist<mode>2_1): Ditto.
2209         (frndintxf2_floor): Ditto.
2210         (*fist<mode>2_floor_1): Ditto.
2211         (frndintxf2_ceil): Ditto.
2212         (*fist<mode>2_ceil_1): Ditto.
2213         (frndintxf2_trunc): Ditto.
2214         (frndintxf2_mask_pm): Ditto.
2215
2216         (prologue): Use (const_int 0) as never generated filler insn.
2217         (epilogue): Ditto.
2218         (sibcall_epilogue): Ditto.
2219         (eh_return_si): Ditto.
2220         (eh_return_di): Ditto.
2221
2222         (add<mode>3): Rename from adddf3 and addsf3.  Macroize expander
2223         using MODEF mode iterator.
2224         (sub<mode>3): Rename from subdf3 and subsf3.  Macroize expander
2225         using MODEF mode iterator.
2226         (mul<mode>3): Rename from muldf3 and mulsf3.  Macroize expander
2227         using MODEF mode iterator.
2228         (nearbyint<mode>2): Rename from nearbyintdf2 and nearbyintsf2.
2229         Macroize expander using MODEF mode iterator.
2230
2231         (zero_extendsidi2): Remove operand constraints from expander.
2232         (smuldi3_highpart): Ditto.
2233         (indirect_jump): Ditto.
2234         (tablejump): Ditto.
2235         (rsqrtsf2): Ditto.
2236         * config/i386/sse.md (storentv4sf): Ditto.
2237         (storentv2df): Ditto.
2238         (storentv2di): Ditto.
2239         (storentsi): Ditto.
2240         (sse2_cvtpd2ps): Ditto.
2241         (vec_interleave_highv16qi): Ditto.
2242         (vec_interleave_lowv16qi): Ditto.
2243         (vec_interleave_highv8hi): Ditto.
2244         (vec_interleave_lowv8hi): Ditto.
2245         (vec_interleave_highv4si): Ditto.
2246         (vec_interleave_lowv4si): Ditto.
2247         (vec_interleave_highv2di): Ditto.
2248         (vec_interleave_lowv2di): Ditto.
2249         (sse2_maskmovdqu): Ditto.
2250         * config/i386/mmx.md (mmx_maskmovq): Ditto.
2251
2252 2007-09-09  Ira Rosen  <irar@il.ibm.com>
2253
2254         * tree-vectorizer.h (enum vect_def_type): Start enumeration from 1.
2255         (struct _slp_tree, struct _slp_instance): Define new data structures
2256         along macros for their access.
2257         (struct _loop_vec_info): Define new fields: strided_stores,
2258         slp_instances, and slp_unrolling_factor along macros for their access.
2259         (enum slp_vect_type): New.
2260         (struct _stmt_vec_info): Define new field, slp_type, and macros for
2261         its access.
2262         (STMT_VINFO_STRIDED_ACCESS): New macro.
2263         (vect_free_slp_tree): Declare.
2264         (vectorizable_load): Add an argument of type slp_tree.
2265         (vectorizable_store, vectorizable_operation, vectorizable_conversion,
2266         vectorizable_assignment): Likewise.
2267         (vect_model_simple_cost, vect_model_store_cost, vect_model_load_cost):
2268         Declare (make extern).
2269         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
2270         (new_loop_vec_info): Likewise.
2271         (destroy_loop_vec_info): Free memory allocated for SLP structures.
2272         * tree-vect-analyze.c: Include recog.h.
2273         (vect_update_slp_costs_according_to_vf): New.
2274         (vect_analyze_operations): Add argument for calls to vectorizable_ ()
2275         functions. For not pure SLP stmts with strided access check that the
2276         group size is power of 2. Update the vectorization factor according to
2277         SLP. Call vect_update_slp_costs_according_to_vf.
2278         (vect_analyze_group_access): New.
2279         (vect_analyze_data_ref_access): Call vect_analyze_group_access.
2280         (vect_free_slp_tree): New functions.
2281         (vect_get_and_check_slp_defs, vect_build_slp_tree, vect_print_slp_tree,
2282         vect_mark_slp_stmts, vect_analyze_slp_instance, vect_analyze_slp,
2283         vect_make_slp_decision, vect_detect_hybrid_slp_stmts,
2284         vect_detect_hybrid_slp): Likewise.
2285         (vect_analyze_loop): Call vect_analyze_slp, vect_make_slp_decision
2286         and vect_detect_hybrid_slp.
2287         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Take
2288         SLP costs into account.
2289         (vect_get_cost_fields): New function.
2290         (vect_model_simple_cost): Make extern, add SLP parameter and handle
2291         SLP.
2292         (vect_model_store_cost, vect_model_load_cost): Likewise.
2293         (vect_get_constant_vectors): New function.
2294         (vect_get_slp_vect_defs, vect_get_slp_defs,
2295         vect_get_vec_defs_for_stmt_copy, vect_get_vec_defs_for_stmt_copy,
2296         vect_get_vec_defs): Likewise.
2297         (vectorizable_reduction): Don't handle SLP for now.
2298         (vectorizable_call): Don't handle SLP for now. Add argument to
2299         vect_model_simple_cost.
2300         (vectorizable_conversion): Handle SLP (call vect_get_vec_defs to
2301         get SLPed and vectorized defs). Fix indentation and spacing.
2302         (vectorizable_assignment): Handle SLP.
2303         (vectorizable_induction): Don't handle SLP for now.
2304         (vectorizable_operation): Likewise.
2305         (vectorizable_type_demotion): Add argument to
2306         vect_model_simple_cost.
2307         (vectorizable_type_promotion): Likewise.
2308         (vectorizable_store, vectorizable_load): Handle SLP.
2309         (vectorizable_condition): Don't handle SLP for now.
2310         (vect_transform_stmt): Add a new argument for SLP. Check that there is
2311         no SLP transformation required for unsupported cases. Add SLP
2312         argument for supported cases.
2313         (vect_remove_stores): New function.
2314         (vect_schedule_slp_instance, vect_schedule_slp): Likewise.
2315         (vect_transform_loop): Schedule SLP instances.
2316         * Makefile.in: (tree-vect-analyze.o): Depend on recog.h.
2317
2318 2007-09-09  Andrew Haley  <aph@redhat.com>
2319
2320         * optabs.c (sign_expand_binop): Set libcall_gen = NULL in the fake
2321         signed optab.
2322
2323 2007-09-09  Hans-Peter Nilsson  <hp@axis.com>
2324
2325         Divide REG_LABEL notes into REG_LABEL_OPERAND and REG_LABEL_TARGET.
2326         * doc/rtl.texi (Insns): Specify when a label_ref makes a jump_insn.
2327         Similar for what label_refs can go in the JUMP_TARGET field.  Split
2328         REG_LABEL documentation into REG_LABEL_TARGET and REG_LABEL_OPERAND.
2329         * reload.c (find_reloads): Generate REG_LABEL_OPERAND, not
2330         REG_LABEL when replacing an operand with a LABEL_REF for a
2331         non-jump insn.
2332         (subst_reloads): When replacing a LABEL_REG with a register,
2333         instead of generating a REG_LABEL note, assert that there already
2334         is one or that the label is a known target for the insn.
2335         * rtlanal.c (computed_jump_p): Instead of looking for a REG_LABEL
2336         note, check the JUMP_LABEL field.  Remove "else" after return.
2337         * reorg.c (emit_delay_sequence): Replace case for REG_LABEL with
2338         cases for REG_LABEL_OPERAND and REG_LABEL_TARGET.
2339         (fill_slots_from_thread): Handle both REG_LABEL_OPERAND and
2340         REG_LABEL_TARGET notes, including the JUMP_TARGET field on JUMP_P
2341         insns.  Iterate over all notes; don't assume there's only one.
2342         * cse.c (recorded_label_ref): Adjust comment to refer to
2343         REG_LABEL_OPERAND.
2344         (cse_extended_basic_block): Do LABEL_REF check for all INSN_P
2345         insns, not just NONJUMP_INSN_P.
2346         (check_for_label_ref): For JUMP_P insns, check that the LABEL_REF
2347         isn't a jump target.
2348         * jump.c (rebuild_jump_labels): Adjust head comment.
2349         (init_label_info): Ditto.  Remove REG_LABEL_OPERAND notes only;
2350         don't reset REG_LABEL_TARGET notes, including the JUMP_LABEL field.
2351         (mark_all_labels): For JUMP_P insns without a target, check if the
2352         the target is noted on the previous nonjump insn.
2353         (mark_jump_label_1): New function, guts from mark_jump_label.
2354         <case IF_THEN_ELSE>: Handle first operand as a non-target when
2355         marking jump target labels.
2356         <case LABEL_REF>: Adjust for whether to generate a
2357         REG_LABEL_TARGET or a REG_LABEL_OPERAND note.
2358         For 'E' format rtl, iterate in descending element order.
2359         (delete_related_insns): Handle both REG_LABEL_TARGET and
2360         REG_LABEL_OPERAND notes.  For JUMP_P insns with labels with zero
2361         reference count, delete and fallthrough.  Move finding-next-
2362         non-deleted insn last in the function.  Look at all INSN_P insns
2363         for REG_LABEL_OPERAND notes.
2364         (redirect_jump_2): Assert that OLABEL equals the old JUMP_LABEL of
2365         JUMP.
2366         * print-rtl.c (print_rtx): For JUMP_P insns and a non-NULL
2367         JUMP_LABEL, output the INSN_UID of it.
2368         * gcse.c: Adjust comments as appropriate to say REG_LABEL_OPERAND
2369         and/or REG_LABEL_TARGET.
2370         (add_label_notes): Only add REG_LABEL_OPERAND notes.  Put in line
2371         with jump.c copy by only adding notes for labels actually
2372         referenced in the insn.
2373         * emit-rtl.c (try_split): Don't assume only NONJUMP_INSN_P need
2374         usage count increment; handle all INSN_P trial insns.
2375         (emit_copy_of_insn_after): Change to not copy REG_LABEL_OPERAND
2376         notes.
2377         * rtl.h (struct rtx_def) <volatil>: Adjust to mention
2378         REG_LABEL_TARGET and REG_LABEL_OPERAND.
2379         (LABEL_REF_NONLOCAL_P): Allow REG_LABEL_TARGET and
2380         REG_LABEL_OPERAND.
2381         * combine.c (distribute_notes): Adjust for REG_LABEL_TARGET on
2382         JUMP_P insns and REG_LABEL_OPERAND everywhere.
2383         * sched-rgn.c (is_cfg_nonregular): Check for REG_LABEL_OPERANDS
2384         on all INSN_P insns.
2385         * reg-notes.def (LABEL_TARGET, LABEL_OPERAND): Split from LABEL.
2386         * cfgrtl.c (delete_insn): Adjust to handle REG_LABEL_TARGET and
2387         REG_LABEL_OPERAND notes.
2388         * reload1.c (calculate_needs_all_insns): Adjust comments.
2389         (set_label_offsets): Adjust to look for REG_LABEL_OPERAND notes.
2390         * config/alpha/alpha.md (split for load of an address into a
2391         four-insn sequence on Unicos/Mk): Adjust to use
2392         REG_LABEL_OPERAND.
2393         * config/sh/sh.md (sh_reorg, final_prescan_insn): Ditto.
2394
2395 2007-09-09  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2396
2397         Revert:
2398         2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2399         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2400         FOR_BB_INSNS_SAFE instead of for loop.
2401         * cse.c (cse_extended_basic_block): Likewise.
2402         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2403         that the for loop does not invoke NEXT_INSN on a deleted insn.
2404         * function.c (instantiate_virtual_regs): Likewise.
2405         * lower-subreg.c (remove_retval_note): Likewise.
2406         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2407         FOR_BB_INSNS.
2408         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2409         a deleted insn.
2410         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2411         insn, if it's a jump.
2412         (try_redirect_by_replacing_jump): New variable jump_p. Call
2413         tablejump_p before delete_insn_chain.
2414         * reload1.c (reload): New variable next. Make sure that the for
2415         loop does not invoke NEXT_INSN on a deleted insn.
2416         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2417         (delete_output_reload): New variable prev. Make sure the the for
2418         loops do not invoke PREV_INSN on a deleted insn.
2419
2420 2007-09-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2421
2422         * pa/constraints.md: Remove 'X' from unused letters comment.
2423
2424 2007-09-08  Richard Guenther  <rguenther@suse.de>
2425
2426         * tree-tailcall.c (find_tail_calls): If we don't have aliases
2427         computed check stmt_ann->references_memory instead of counting
2428         virtual operands.
2429
2430 2007-09-08  Segher Boessenkool  <segher@kernel.crashing.org>
2431
2432         * cse.c (fold_rtx): Use validate_unshare_change() instead of
2433         validate_change() in one more case.
2434
2435 2007-09-08  Zdenek Dvorak  <ook@ucw.cz>
2436
2437         PR tree-optimization/32283
2438         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Use
2439         estimated_loop_iterations.
2440         (determine_use_iv_cost_condition): Decrease cost of expressions
2441         used in iv elimination.
2442
2443 2007-09-08  Richard Guenther  <rguenther@suse.de>
2444
2445         * tree-cfg.c (verify_gimple_expr): Avoid building new
2446         pointer types, use TYPE_POINTER_TO if available instead.
2447
2448 2007-09-08  Uros Bizjak  <ubizjak@gmail.com>
2449
2450         PR target/33329
2451         PR rtl-optimization/26449
2452         * config/i386/sse.md (mulv4si3): Do not expand sse2 sequence.
2453         (*sse2_mulv4si3): New define_insn_and_split pattern. Split insn in
2454         split1 pass.
2455         (mulv16qi3): Implement as define_insn_and_split pattern instead of
2456         define_expand.  Split insn in split1 pass.
2457         (mulv2di3): Ditto.
2458
2459 2007-09-08  Dorit Nuzman  <dorit@il.ibm.com>
2460
2461         PR tree-optimization/33301
2462         * tree-vect-analyze (analyze_operations): Look at the type of the rhs
2463         when relevant.
2464
2465 2007-09-07  Zdenek Dvorak  <ook@ucw.cz>
2466
2467         PR tree-optimization/32183
2468         * Makefile.in (tree-ssa-reassoc.o): Also depend on $(CFGLOOP_H).
2469
2470         * tree-ssa-reassoc.c: Include cfgloop.h.
2471         (is_reassociable_op): Add a loop argument and return true only
2472         for inside loop.
2473         (linearize_expr): Updated.
2474         (should_break_up_subtract): Likewise.
2475         (linearize_expr_tree): Likewise.
2476         (init_reassoc): Call loop_optimizer_init with
2477         AVOID_CFG_MODIFICATIONS.  Remove calculate_dominance_info call
2478         with CDI_DOMINATORS.
2479         (fini_reassoc): Call loop_optimizer_finalize.
2480
2481 2007-09-07  Sterling Augustine  <sterling@tensilica.com>
2482
2483         * config/xtensa/lib2funcs.S (__xtensa_sync_caches): Use an ISYNC even
2484         if there is no i-cache.
2485
2486 2007-09-07  Richard Guenther  <rguenther@suse.de>
2487
2488         Reapply
2489         2007-09-06  Richard Guenther  <rguenther@suse.de>
2490
2491         PR tree-optimization/32586
2492         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2493         folding if nothing changed.
2494         (simplify_unary_expression): New function.  Do tree combining
2495         on conversion like codes.
2496         (try_to_simplify): Call it.
2497
2498 2007-09-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2499
2500         PR target/33286
2501         * gthr-posix.h (__gthread_active_p): Add implementation for hppa-hpux.
2502         (__gthread_active,__gthread_start, __gthread_active_init): New.
2503         * gthr-posix95.h: Likewise.
2504
2505 2007-09-07  Roman Zippel <zippel@linux-m68k.org>
2506
2507         * function.h (struct function): Rename calls_unwind_init
2508         to saves_all_registers.
2509         (current_function_saves_all_registers): Renamed from
2510         current_function_calls_unwind_init.
2511         * reload1.c (reload): Set current_function_saves_all_registers.
2512         * except.c (expand_builtin_unwind_init): Likewise.
2513         * config/m68k/m68k.c (m68k_save_reg): Use
2514         current_function_saves_all_registers to save pic register.
2515
2516 2007-09-07  Janis Johnson  <janis187@us.ibm.com>
2517
2518         config/m68k/m68k.c (floating_exact_log2): Update call to real_2expN.
2519         config/s390/s390.md (fixuns_trunc<BFP:mode><GPR:mode>2): Ditto.
2520
2521         Reapply reverted changes:
2522
2523         2007-09-06  Jan Hubicka  <jh@suse.cz>
2524
2525         * config/i386.c (ix86_expand_lround, ix86_expand_round): Update call
2526         of real_2expN.
2527
2528         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2529
2530         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2531         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2532
2533         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2534
2535         * optabs.c (expand_float): Convert unsigned integer as signed only
2536         if it provides sufficient accuracy; add mode argument to real_2expN.
2537         (expand_fix): Fix comment typos; extend binary float into mode
2538         wider than destination for converion to unsigned integer; add mode
2539         argument to real_2expN.
2540         * real.c (real_2expN): Add mode argument to special-case decimal
2541         float values.
2542         * real.h (real_2expN): Ditto.
2543         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2544         real_2expN.
2545         (fixed_from_string): Ditto.
2546         (fixed_to_decimal): Ditto.
2547         (fixed_convert_from_real): Ditto.
2548         (real_convert_from_fixed): Ditto.
2549         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2550         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2551         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2552         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2553
2554 2007-09-07  Diego Novillo  <dnovillo@google.com>
2555
2556         * tree-flow.h (const_block_stmt_iterator): Remove.
2557         Update all users to use block_stmt_iterator.
2558         * tree-iterator.h (const_tree_stmt_iterator): Remove.
2559         Update all users to use tree_stmt_iterator.
2560
2561 2007-09-07  Sandra Loosemore  <sandra@codesourcery.com>
2562
2563         * config/mips/mips.c (mips_set_current_function): Temporarily
2564         make this a no-op to fix bootstrap errors, pending rewrite.
2565
2566 2007-09-07  Jan Hubicka  <jh@suse.cz>
2567
2568         * reorg.c (dbr_schedule): Move code removing placeholder USEs later
2569         in the pass.
2570
2571 2007-09-07  Dorit Nuzman  <dorit@il.ibm.com>
2572
2573         PR tree-optimization/33299
2574         * tree-vect-transform.c (vect_create_epilog_for_reduction): Update
2575         uses for all relevant loop-exit phis, not just the first.
2576
2577 2007-09-07  Richard Guenther  <rguenther@suse.de>
2578
2579         PR middle-end/33330
2580         * tree-ssa-operands.c (access_can_touch_variable): An access
2581         of the form (*p)[0] can touch a variable of same size.
2582
2583 2007-09-07  Jan Hubicka  <jh@suse.cz>
2584
2585         * passes.c (init_optimization_passes): Add simple dce and addressable
2586         passes.
2587         * tree-ssa.c (execute_update_addresses_taken): New function.
2588         (pass_update_address_taken): New.
2589         * tree-ssa-dse.c (execute_simple_dse): New function.
2590         (pass_simple_dse): New.
2591         * tree-pass.h (pass_simple_dse, pass_update_address_taken): Declare.
2592
2593 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2594
2595         PR middle-end/33321
2596         * doc/invoke.texi: Fix -Wstrict-overflow= table.
2597
2598 2007-09-07  Richard Guenther  <rguenther@suse.de>
2599
2600         Revert
2601         2007-09-06  Richard Guenther  <rguenther@suse.de>
2602
2603         PR tree-optimization/32586
2604         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2605         folding if nothing changed.
2606         (simplify_unary_expression): New function.  Do tree combining
2607         on conversion like codes.
2608         (try_to_simplify): Call it.
2609
2610 2007-09-07  Richard Guenther  <rguenther@suse.de>
2611             Uros Bizjak  <ubizjak@gmail.com>
2612
2613         PR tree-optimization/32821
2614         * tree_if_conv.c (combine_blocks): Use alloc_stmt_list instead of
2615         NULL in the call to set_bb_stmt_list.
2616
2617 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2618
2619         * config/mips/mips.c (build_mips16_call_stub): Emit all direct
2620         float calls here, rather than leaving some to the caller.
2621         Use call_internal_direct and call_value_internal_direct.
2622         * config/mips/mips.md (call_internal_direct): New pattern.
2623         (call_value_internal_direct): Likewise.
2624
2625 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2626
2627         * config/mips/mips.c (mips_base_move_loop_invariants): New variable.
2628         (mips_set_mips16_mode): Restore flag_move_loop_invariants, then set
2629         to 0 for MIPS16.
2630         (override_options): Set mips_base_move_loop_invariants.
2631
2632 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2633
2634         * config/mips/mips.opt (mcode-readable=): Move to keep list
2635         alphabetical.
2636
2637 2007-09-07  Richard Sandiford  <richard@codesourcery.com>
2638
2639         * doc/invoke.texi: Document the MIPS -mlocal-sdata, -mextern-sdata
2640         and -mgpopt options.  Adjust the -G documentation to match.
2641         * config/mips/mips.opt (mextern-data, mgpopt, mlocal-data): New.
2642         * config/mips/mips.c (mips_rtx_constant_in_small_data_p): New
2643         function, split out from mips_classify_symbol.  Return false for
2644         !TARGET_LOCAL_SDATA.
2645         (mips_classify_symbol): Call mips_rtx_constant_in_small_data_p.
2646         Only use GP-relative accesses for non-pool symbols if TARGET_GPOPT.
2647         (override_options): Check whether the -mgpopt setting is consistent
2648         with the other flags.
2649         (symbolic_expression_p): Delete.
2650         (mips_select_rtx_section): Use mips_rtx_constant_in_small_data_p
2651         and default_elf_select_rtx_section.
2652         (mips_in_small_data_p): Honor section attributes for MIPS16 too.
2653         Return false for local data unless TARGET_LOCAL_SDATA.  Likewise
2654         external data and TARGET_EXTERN_SDATA.
2655
2656 2007-09-07  Tobias Burnus  <burnus@net-b.de>
2657
2658         PR fortran/33303
2659         * doc/cpp.texi (Common Predefined Macros): Add __GFORTRAN__.
2660
2661 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2662
2663         * regrename.c (copyprop_hardreg_forward_1): New variable next. Use
2664         FOR_BB_INSNS_SAFE instead of for loop.
2665         * cse.c (cse_extended_basic_block): Likewise.
2666         * postreload.c (reload_cse_regs_1): New variable next. Make sure
2667         that the for loop does not invoke NEXT_INSN on a deleted insn.
2668         * function.c (instantiate_virtual_regs): Likewise.
2669         * lower-subreg.c (remove_retval_note): Likewise.
2670         (decompose_multiword_subregs): Use FOR_BB_INSNS_SAFE instead of
2671         FOR_BB_INSNS.
2672         * emit-rtl.c (remove_insn): Set NEXT_INSN and PREV_INSN to NULL on
2673         a deleted insn.
2674         * cfgrtl.c (delete_insn): Set JUMP_LABEL to NULL on a deleted
2675         insn, if it's a jump.
2676         (try_redirect_by_replacing_jump): New variable jump_p. Call
2677         tablejump_p before delete_insn_chain.
2678         * reload1.c (reload): New variable next. Make sure that the for
2679         loop does not invoke NEXT_INSN on a deleted insn.
2680         (fixup_eh_region_note): Make the loop terminate if i becomes NULL.
2681         (delete_output_reload): New variable prev. Make sure the the for
2682         loops do not invoke PREV_INSN on a deleted insn.
2683
2684 2007-09-06  Zdenek Dvorak  <ook@ucw.cz>
2685
2686         * cgraphbuild.c (rebuild_cgraph_edges): Export.
2687         * cgraph.h (rebuild_cgraph_edges): Declare.
2688         * tree-pass.h (pass_expand_omp_ssa): New.
2689         * omp-low.c (find_omp_clause): Export.
2690         (copy_var_decl): Split from omp_copy_decl_2.
2691         (build_omp_barrier): Return the call to emit instead of emitting
2692         it directly.
2693         (lower_rec_input_clauses, expand_omp_single): Gimplify the result of
2694         build_omp_barrier.
2695         (extract_omp_for_data, expand_parallel_call, expand_omp_parallel,
2696         expand_omp_for_generic, expand_omp_for_static_nochunk,
2697         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
2698         Adapted to work on SSA form.
2699         (execute_expand_omp): Do not invalidate dominance information.
2700         (gate_expand_omp): Do not run with -fopenmp-ssa flag.
2701         (gate_expand_omp_ssa, pass_expand_omp_ssa): New.
2702         * gimplify.c (gimplify_omp_for): Ensure that the control variable is
2703         a gimple_reg.
2704         (force_gimple_operand): Allow gimplifying code expressions without
2705         value.
2706         * tree-predcom.c (mark_virtual_ops_for_renaming): Handle phi nodes.
2707         * common.opt (fopenmp-ssa): New.
2708         * tree-flow.h (find_omp_clause, copy_var_decl): Declare.
2709         * Makefile.in (tree-cfg.o): Add TREE_INLINE_H dependency.
2710         * tree-cfg.c: Include tree-inline.h.
2711         (struct move_stmt_d): Replace vars_to_remove by vars_map field.
2712         (replace_by_duplicate_decl, replace_ssa_name,
2713         mark_virtual_ops_in_region): New functions.
2714         (move_stmt_r, move_block_to_fn, move_sese_region_to_fn): Adapted
2715         to work on SSA form.
2716         * passes.c (init_optimization_passes): Add pass_expand_omp_ssa pass.
2717         * tree-ssa-operands.c (get_expr_operands): Handle operands of OMP
2718         constructs.
2719
2720 2007-09-06  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
2721
2722         * tree-loop-linear.c: Include obstack.h.
2723         (linear_transform_loops): New obstack lambda_obstack.
2724         Initialize it, pass it to gcc_loopnest_to_lambda_loopnest,
2725         lambda_loopnest_transform, lambda_loopnest_to_gcc_loopnest calls
2726         and free afterwards.
2727         * lambda.h (struct obstack): New forward declaration.
2728         (lambda_linear_expression_new): New parameter of type struct
2729         obstack *.
2730         (lambda_loopnest_new): Likewise.
2731         (lambda_loopnest_transform): Likewise.
2732         (lambda_body_vector_new): Likewise.
2733         (lambda_body_vector_compute_new): Likewise.
2734         (gcc_loopnest_to_lambda_loopnest): Likewise.
2735         (lambda_loopnest_to_gcc_loopnest): Likewise.
2736         * lambda-code.c: Include obstack.h.
2737         (lambda_lattice_new): New parameter lambda_obstack.  Use it for
2738         allocation of ret.
2739         (lambda_body_vector_new): Likewise.
2740         (lambda_linear_expression_new): Likewise.
2741         (lambda_lattice_new): Likewise.
2742         (lambda_loopnest_new): Likewise.  Additionally use obstack to
2743         allocate LN_LOOPS(ret).
2744         (lambda_lattice_compute_base): New parameter lambda_obstack.  Pass
2745         it to lambda_lattice_new.
2746         (lambda_body_vector_compute_new): New parameter lambda_obstack.
2747         Pass it to lambda_body_vector_new.
2748         (lambda_lattice_compute_base): New paramater lambda_obstack.  Pass
2749         it to lambda_lattice_new.
2750         (compute_nest_using_fourier_motzkin): New parameter lambda_obstack.
2751         Pass it to lambda_loopnest_new, lambda_linear_expression_new.
2752         (lambda_compute_target_space): Likewise.
2753         (lambda_compute_auxillary_space): New parameter lambda_obstack.
2754         Pass it to lambda_lattice_compute_base and
2755         compute_nest_using_fourieer_motzkin.
2756         (lambda_loopnest_transform): New parameter lambda_obstack.  Pass
2757         it to lambda_lattice_compute_base, lambda_lattice_auxillary_space
2758         and lambda_lattice_compute_target_space.
2759         (gcc_tree_to_linear_expression): Nex parameter lambda_obstack.
2760         Pass it to lambda_linear_expression_new.
2761         (gcc_loop_to_lambda_loop): New parameter lambda_obstack.  Pass it
2762         to gcc_tree_to_linear_expression.
2763         (gcc_loopnest_to_lambda_loopnest): New parameter lambda_obstack.
2764         Pass it to gcc_loop_to_lambda_loop and lambda_loopnest_new.
2765         (lambda_loopnest_to_gcc_loopnest): New parameter lambda_obstack.
2766         Pass it to lambda_body_vector_new and
2767         lambda_body_vector_compute_new.
2768         * Makefile.in (tree-loop-linear.o): Add $(OBSTACK_H) dependency.
2769         (lambda-code.o): Likewise.
2770
2771 2007-09-06  Chao-ying Fu  <fu@mips.com>
2772
2773         * ginclude/stdfix.h: New file.
2774         * Makefile.in (USER_H): Add $(srcdir)/ginclude/stdfix.h.
2775         (convert.o): Add dependence on fixed-value.h.
2776         * c-convert.c (convert): Support FIXED_POINT_TYPE.
2777         * c-cppbuiltin.c (builtin_define_fixed_point_constants): New function
2778         to define fixed-point constants.
2779         (c_cpp_builtins): Define fixed-point constants.
2780         * convert.c (fixed-value.h): New include.
2781         (convert_to_real): Update comment to include fixed-point.
2782         Support FIXED_POINT_TYPE.
2783         (convert_to_integer): Update comment to include fixed-point.
2784         Support FIXED_POINT_TYPE.
2785         (convert_to_complex): Support FIXED_POINT_TYPE.
2786         (convert_to_fixed): New function.
2787         * convert.h (convert_to_fixed): Declare.
2788         * genopinit.c: Add comment about $Q for only fixed-point modes.
2789         (optabs): Add fract_optab, fractuns_optab, satfract_optab,
2790         satfractuns_optab, add_optab, ssadd_optab, usadd_optab, sub_optab,
2791         sssub_optab, ussub_optab, smul_optab, ssmul_optab, usmul_optab,
2792         ssmadd_widen_optab, usmadd_widen_optab, ssdiv_optab, udiv_optab,
2793         usdiv_optab, ssashl_optab, usashl_optab, neg_optab, ssneg_optab,
2794         usneg_optab for fixed-point modes.
2795         (gen_insn): Add force_fixed to track the $Q format for all fixed-point
2796         modes.
2797         * optabs.c (optab_for_tree_code): For *DIV_EXPR, LSHIFT_EXPR,
2798         PLUS_EXPR, MINUS_EXPR, MULT_EXPR, NEGATE_EXPR, return signed or
2799         unsigned saturation optabs, when type is saturating.
2800         (shift_optab_p): Return true for SS_ASHIFT or US_ASHIFT.
2801         (expand_fixed_convert): New function.
2802         (gen_fixed_libfunc, gen_signed_fixed_libfunc,
2803         gen_unsigned_fixed_libfunc, gen_int_fp_fixed_libfunc,
2804         gen_int_fp_signed_fixed_libfunc, gen_int_fixed_libfunc,
2805         gen_int_signed_fixed_libfunc, gen_int_unsigned_fixed_libfunc,
2806         gen_fract_conv_libfunc, gen_fractuns_conv_libfunc,
2807         gen_satfract_conv_libfunc, gen_satfractuns_conv_libfunc): New
2808         functions.
2809         (init_optabs): Initialize ssadd_optab, usadd_optab, sssub_optab,
2810         ussub_optab, ssmul_optab, usmul_optab, ssmadd_widen_optab,
2811         usmadd_widen_optab, ssmsub_widen_optab, usmsub_widen_optab,
2812         ssdiv_optab, usdiv_optab, ssashl_optab, usashl_optab, ssneg_optab,
2813         usneg_optab, fract_optab, fractuns_optab, satfract_optab,
2814         satfractuns_optab.
2815         Initialize fixed-point libraries, including add, ssadd, usadd, sub,
2816         sssub, ussub, mul, ssmul, usmul, div, ssdiv, udiv, usdiv, ashl,
2817         ssashl, usashl, ashr, lshr, neg, ssneg, usneg, cmp, fract, satfract,
2818         fractuns, satfractuns.
2819         * optabs.h (enum optab_index): Add OTI_ssadd, OTI_usadd, OTI_sssub,
2820         OTI_ussub, OTI_ssmul, OTI_usmul, OTI_ssdiv, OTI_usdiv, OTI_ssneg,
2821         OTI_usneg, OTI_ssashl, OTI_usashl, OTI_ssmadd_widen, OTI_usmadd_widen,
2822         OTI_ssmsub_widen,  OTI_usmsub_widen.
2823         (ssadd_optab, usadd_optab, sssub_optab, ussub_optab, ssmul_optab,
2824         usmul_optab, ssdiv_optab, usdiv_optab, ssneg_optab, usneg_optab,
2825         ssashl_optab, usashl_optab, ssmadd_widen_optab, usmadd_widen_optab,
2826         umsub_widen_optab, usmsub_widen_optab): Define.
2827         (enum convert_optab_index): Add COI_fract, COI_fractuns, COI_satfract,
2828         COI_satfractuns.
2829         (fract_optab, fractuns_optab, satfract_optab, satfractuns_optab):
2830         Define.
2831         (expand_fixed_convert): Declare.
2832         * expr.c (convert_move): Support the move of fixed-point modes.
2833         (emit_move_insn_1): Handle fixed-point mode to move via integer.
2834         (categorize_ctor_elements_1): Handle FIXED_CST.
2835         (count_type_elements): Handle FIXED_POINT_TYPE.
2836         (expand_expr_real_1): For VECTOR_CST, check MODE_VECTOR_FRACT,
2837         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2838         Support FIXED_CST.
2839         For PLUS_EXPR and MINUS_EXPR, support saturating and non-saturating
2840         multiply and add/subtract for fixed-point types.
2841         For MULT_EXPR, *DIV_EXPR, *SHIFT_EXPR, if the mode if a fixed-point
2842         mode, we jump to binop directly.
2843         Support FIXED_CONVERT_EXPR.
2844         (do_store_flag): Check FIXED_CST to put a constant second.
2845         (vector_mode_valid_p): Handle MODE_VECTOR_FRACT,
2846         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2847         (const_vector_from_tree): Support FIXED_CST.
2848         * doc/extend.texi (Fixed-Point): New node.
2849         * doc/md.texi (ssadd, usadd, sssub, ussub, ssmul, usmul, ssdiv, usdiv,
2850         ssmadd, usmadd, ssmsub, usmsub, ssashl, usashl, ssneg, usneg, fract,
2851         satfract, fractuns, satfractuns): Document them.
2852
2853 2007-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
2854
2855         * config/bfin/bfin.h (PREFERRED_RELOAD_CLASS): Don't reload autoinc
2856         addresses into I registers.
2857
2858 2007-09-06  Jan Hubicka  <jh@suse.cz>
2859             Andreas Tobler  <a.tobler@schweiz.org>
2860
2861         * config/darwin.c (machopic_indirect_data_reference): Avoid invalid
2862         sharing.
2863         (machopic_legitimize_pic_address): Likewise.
2864
2865 2007-09-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2866             Jan Hubicka  <jh@suse.cz>
2867
2868         * config/spu/spu.md (floatsidf2): Use convert_optab_libfunc
2869         instead of ufloat_optab->handlers directly.
2870         (floatdidf2): Likewise.
2871
2872 2007-09-06  Sandra Loosemore  <sandra@codesourcery.com>
2873
2874         * config/mips/mips.c:  Include diagnostic.h.
2875         (mips_set_current_function): Check errorcount and sorrycount
2876         before generating RTL.
2877
2878 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2879
2880         PR target/33256
2881         * config/mips/mips.c (mips_classify_symbolic_expression): New function.
2882         (mips_classify_address): Use it instead of mips_symbolic_constant_p.
2883         (print_operand_reloc): Likewise.
2884
2885 2007-09-06  Janis Johnson  <janis187@us.ibm.com>
2886
2887         Revert:
2888
2889         2007-09-06  Jan Hubicka  <jh@suse.cz>
2890
2891         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
2892         real_2expN.
2893
2894         2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2895
2896         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2897         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2898
2899         2007-09-05  Janis Johnson  <janis187@us.ibm.com>
2900
2901         * optabs.c (expand_float): Convert unsigned integer as signed only
2902         if it provides sufficient accuracy; add mode argument to real_2expN.
2903         (expand_fix): Fix comment typos; extend binary float into mode
2904         wider than destination for converion to unsigned integer; add mode
2905         argument to real_2expN.
2906         * real.c (real_2expN): Add mode argument to special-case decimal
2907         float values.
2908         * real.h (real_2expN): Ditto.
2909         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
2910         real_2expN.
2911         (fixed_from_string): Ditto.
2912         (fixed_to_decimal): Ditto.
2913         (fixed_convert_from_real): Ditto.
2914         (real_convert_from_fixed): Ditto.
2915         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
2916         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
2917         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
2918         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
2919
2920 2007-09-06  Tom Tromey  <tromey@redhat.com>
2921
2922         * tree-cfg.c (remove_bb): Only warn if line is non-zero.
2923         * c-pch.c (c_common_read_pch): Restore current location after
2924         reading PCH file.
2925         * tree.c (expand_location): Update.
2926         (expr_filename): Changed return type.  Unified the two cases.
2927         (expr_lineno): Likewise.
2928         (annotate_with_file_line): Don't use EXPR_LINENO and EXPR_FILENAME
2929         as lvalues.
2930         * toplev.c (line_table): Changed type.
2931         (general_init): Update.
2932         (realloc_for_line_map): New function.
2933         (general_init): Allocate line_table using GC.
2934         * fix-header.c (line_table): Changed type.
2935         (read_scan_file): Update.
2936         (read_scan_file): Update.
2937         * c-ppoutput.c (maybe_print_line): Update.
2938         (print_line): Update.
2939         (cb_line_change): Update.
2940         (cb_define): Update.
2941         (pp_file_change): Update.
2942         * c-opts.c (c_common_init_options): Update.
2943         (finish_options): Update.
2944         (push_command_line_include): Update.
2945         * c-lex.c (cb_line_change): Update.
2946         (cb_def_pragma): Update.
2947         (cb_define): Update.
2948         (cb_undef): Update.
2949         (c_lex_with_flags): Use cpp_get_token_with_location.
2950         * input.h (line_table): Changed type.
2951         (location_from_locus): New macro.
2952         * tree.h (EXPR_FILENAME): No longer an lvalue.
2953         (EXPR_LINENO): Likewise.
2954         (expr_locus, set_expr_locus): Declare separately for
2955         USE_MAPPED_LOCATION.
2956         (expr_filename, expr_lineno): Changed return type.
2957         * gimplify.c (tree_to_gimple_tuple): Use SET_EXPR_LOCUS.
2958         * cfgexpand.c (expand_gimple_cond_expr): Use location_from_locus.
2959         (expand_gimple_basic_block): Likewise.
2960         * final.c (final_scan_insn): Use expanded_location.
2961
2962 2007-09-06  Richard Guenther  <rguenther@suse.de>
2963
2964         PR tree-optimization/32586
2965         * tree-ssa-sccvn.c (simplify_binary_expression): Avoid
2966         folding if nothing changed.
2967         (simplify_unary_expression): New function.  Do tree combining
2968         on conversion like codes.
2969         (try_to_simplify): Call it.
2970         * builtins.c (fold_builtin_cexp): Fold the built expressions.
2971         * fold-const.c (fold_unary): Test result of get_callee_fndecl().
2972
2973 2007-09-06  Jan Hubicka  <jh@suse.cz>
2974
2975         PR target/33318
2976         * cse.c (fold_rtx): Avoid invalid sharing.
2977
2978 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
2979
2980         * config/mips/mips.md (fixuns_truncdfsi2, fixuns_truncdfdi2)
2981         (fixuns_truncsfsi2, fixuns_truncsfdi2): Update calls to real_2expN.
2982
2983 2007-09-06  Revital Eres  <eres@il.ibm.com>
2984
2985         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
2986         Fix offsettable memory reference for 750CL.
2987
2988 2007-09-06  Pat Haugen  <pthaugen@us.ibm.com>
2989
2990         * reload.c (find_reloads_address_1): Try to preserve original
2991         base/index regclass of operands.
2992         * regrename.c (scan_rtx_address): Likewise.
2993         (replace_oldest_value_addr): Likewise.
2994
2995 2007-09-06  Richard Guenther  <rguenther@suse.de>
2996
2997         PR tree-optimization/33302
2998         * domwalk.c (walk_dominator_tree): The exit block is
2999         interesting even if it is not reachable.
3000
3001 2007-09-06  Richard Sandiford  <richard@codesourcery.com>
3002
3003         PR middle-end/33306
3004         * optabs.c (avoid_expensive_constant): Do nothing if MODE is VOIDmode.
3005
3006 2007-09-06  Basile Starynkevitch  <basile@starynkevitch.net>
3007
3008         * cfg.c (dump_bb_info, dump_edge_info): Added cfun test for
3009         robustness.
3010
3011 2007-09-05  Ian Lance Taylor  <iant@google.com>
3012
3013         * tree-pretty-print.c (dump_decl_name): Cast LABEL_DECL_UID to int
3014         when printing.
3015         (dump_generic_node): Likewise.
3016         * print-rtl.c (print_decl_name): Likewise.
3017         * print-tree.c (print_node_brief): Likewise.
3018         (print_node): Likewise.
3019         * Makefile.in (RTL_BASE_H): Add alias.h.
3020         (TREE_H): Likewise.
3021
3022 2007-09-06  Jesper Nilsson  <jesper.nilsson@axis.com>
3023
3024         * longlong.h [__CRIS_arch_version >= 8] (count_trailing_zeros):
3025         Defined.
3026         * config/cris/cris.md (ctzsi2, cris_swap_bits): Implemented.
3027         * config/cris/cris.h (CTZ_DEFINED_VALUE_AT_ZERO): Defined.
3028
3029 2007-09-06  Jie Zhang  <jie.zhang@analog.com>
3030
3031         * config.gcc (tm_file): Add linux.h for bfin*-uclinux*.
3032         (tm_defines): Define UCLIBC_DEFAULT to 1.
3033         (extra_options): Add linux.opt.
3034         * config/bfin/linux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3035         (CRT_CALL_STATIC_FUNCTION): Likewise.
3036         (NO_IMPLICIT_EXTERN_C): Likewise.
3037         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3038         * config/bfin/elf.h (OBJECT_FORMAT_ELF): Don't define.
3039         * config/bfin/uclinux.h (CPLUSPLUS_CPP_SPEC): Don't define.
3040         (ENDFILE_SPEC): Don't define.
3041         (LIB_SPEC): Likewise.
3042         (CRT_CALL_STATIC_FUNCTION): Likewise.
3043         (NO_IMPLICIT_EXTERN_C): Likewise.
3044         (LINUX_TARGET_OS_CPP_BUILTINS): Likewise.
3045         (TARGET_OS_CPP_BUILTINS): Define as LINUX_TARGET_OS_CPP_BUILTINS.
3046
3047 2007-09-06  Jan Hubicka  <jh@suse.cz>
3048
3049         * i386.c (ix86_expand_lround, ix86_expand_round): Update call of
3050         real_2expN.
3051
3052 2007-09-06  Jan Hubicka  <jh@suse.cz>
3053
3054         * opts.c (common_handle_option): Enable inlining functions for
3055         -fprofile-generate.
3056
3057 2007-09-06  Jakub Jelinek  <jakub@redhat.com>
3058
3059         * builtin-attrs.def (ATTR_NONNULL_3): New.
3060         (DEF_FORMAT_ATTRIBUTE): Use just ATTR_NONNULL_##FA instead of
3061         ATTR_NOTHROW_NONNULL_##FA.
3062         (DEF_FORMAT_ATTRIBUTE_NOTHROW, DEF_FORMAT_ATTRIBUTE_BOTH): New macros.
3063         (ATTR_FORMAT_PRINTF_NOTHROW_2_0, ATTR_PRINTF_NOTHROW_2_3,
3064         ATTR_FORMAT_PRINTF_NOTHROW_3_0, ATTR_FORMAT_PRINTF_NOTHROW_3_4,
3065         ATTR_FORMAT_PRINTF_NOTHROW_4_0, ATTR_PRINTF_NOTHROW_4_5,
3066         ATTR_FORMAT_PRINTF_NOTHROW_5_0, ATTR_FORMAT_PRINTF_NOTHROW_5_6,
3067         ATTR_FORMAT_SCANF_NOTHROW_2_0, ATTR_FORMAT_SCANF_NOTHROW_2_3,
3068         ATTR_FORMAT_STRFTIME_NOTHROW_3_0, ATTR_FORMAT_STRFMON_NOTHROW_3_4):
3069         New.
3070         (ATTR_FORMAT_PRINTF_4_0, ATTR_PRINTF_4_5, ATTR_FORMAT_PRINTF_5_0,
3071         ATTR_FORMAT_PRINTF_5_6, ATTR_FORMAT_STRFTIME_3_0,
3072         ATTR_FORMAT_NOTHROW_3_4): Remove.
3073         * builtins.def (snprintf, sprintf, sscanf, vsnprintf, vsprintf,
3074         vsscanf, strfmon, strftime, __snprintf_chk, __sprintf_chk,
3075         __vsnprintf_chk, __vsprintf_chk): Use ATTR_FORMAT_*_NOTHROW_*
3076         instead of ATTR_FORMAT_*_*.
3077
3078 2007-09-06  Hans-Peter Nilsson  <hp@axis.com>
3079
3080         * config/cris/cris.c (cris_emit_movem_store): Call copy_rtx on
3081         parts re-used for REG_FRAME_RELATED_EXPR.
3082
3083 2007-09-05  Janis Johnson  <janis187@us.ibm.com>
3084
3085         * optabs.c (expand_float): Convert unsigned integer as signed only
3086         if it provides sufficient accuracy; add mode argument to real_2expN.
3087         (expand_fix): Fix comment typos; extend binary float into mode
3088         wider than destination for converion to unsigned integer; add mode
3089         argument to real_2expN.
3090         * real.c (real_2expN): Add mode argument to special-case decimal
3091         float values.
3092         * real.h (real_2expN): Ditto.
3093         * fixed-value.c (check_real_for_fixed_mode): Add mode argument to
3094         real_2expN.
3095         (fixed_from_string): Ditto.
3096         (fixed_to_decimal): Ditto.
3097         (fixed_convert_from_real): Ditto.
3098         (real_convert_from_fixed): Ditto.
3099         * config/rs6000/rs6000.md (FP): Include DD and TD modes.
3100         * config/rs6000/dfp.md (extendddtd2, adddd3, addtd3, subdd3, subtd3,
3101         muldd3, multd3, divdd3, divtd3, cmpdd_internal1, cmptd_internal1,
3102         floatditd2, ftruncdd2, fixdddi2, ftrunctd2, fixddi2): New.
3103
3104 2007-09-05  Ian Lance Taylor  <iant@google.com>
3105
3106         * init-regs.c (initialize_uninitialized_regs): Call
3107         emit_insn_before rather than add_insn_before.
3108
3109 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3110
3111         * builtins.def (BUILT_IN_VA_ARG_PACK): New built-in.
3112         * tree.h (CALL_EXPR_VA_ARG_PACK): Define.
3113         * tree-inline.h (copy_body_data): Add call_expr field.
3114         * tree-inline.c (expand_call_inline): Initialize call_expr.
3115         (copy_bb): Append anonymous inline fn arguments to arguments
3116         when inlining a CALL_EXPR_VA_ARG_PACK call.
3117         * builtins.c (expand_builtin): Issue an error if
3118         BUILT_IN_VA_ARG_PACK is seen during expand.
3119         (fold_call_expr, fold_builtin_call_array): Don't fold
3120         CALL_EXPR_VA_ARG_PACK CALL_EXPRs or calls with
3121         __builtin_va_arg_pack () call as last argument.
3122         * gimplify.c (gimplify_call_expr): If last argument to a vararg
3123         function is __builtin_va_arg_pack (), decrease number of call
3124         arguments and instead set CALL_EXPR_VA_ARG_PACK on the CALL_EXPR.
3125         * expr.c (expand_expr_real_1): Issue an error if
3126         CALL_EXPR_VA_ARG_PACK CALL_EXPR is seen during expand.
3127         * tree-pretty-print.c (dump_generic_node): Handle printing
3128         CALL_EXPR_VA_ARG_PACK bit on CALL_EXPRs.
3129         * doc/extend.texi (__builtin_va_arg_pack): Document.
3130
3131 2007-09-05  Adam Nemet  <anemet@caviumnetworks.com>
3132
3133         PR tree-optimization/21513
3134         * builtins.c (build_builtin_expect_predicate): New function.
3135         (fold_builtin_expect): Add argument for expected value.
3136         Distribute __builtin_expect over short-circuiting operations.
3137         Fold nested builtin_expects.
3138         (fold_builtin_2): Adjust call to fold_builtin_expect.
3139
3140 2007-09-05  Rask Ingemann Lambertsen  <rask@sygehus.dk>
3141
3142         PR web/32965
3143         PR tree-optimization/13756
3144         * doc/invoke.texi (Options That Control Optimization): Document
3145         -ftree-dse.
3146
3147 2007-09-05  Uros Bizjak  <ubizjak@gmail.com>
3148
3149         * gcc/config/i386/cpuid.h: New file.
3150         * gcc/config/i386/driver-i386.c: Include cpuid.h.
3151         (describe_cache): Shrink size and line strings to 100 bytes.
3152         (detect_caches_amd): Return "" for unsupported max_ext_level.
3153         Use __cpuid function.
3154         (detect_caches_intel): Return "" for unsupported max_level.
3155         Use __cpuid function.
3156         (host_detect_local_cpu): Change feature flag variables to
3157         unsigned int.  Initialize only extended feature flag variables.
3158         Use __get_cpuid_max to determine max supported cpuid level.
3159         Use __cpuid function to determine supported features.  Fix
3160         calculation of family id.  Remove is_amd and check signature
3161         directly.  Check for Geode signature.  Handle family 4 id.
3162         [PROCESSOR_GENERIC32]: New default for unknown family id.  Move
3163         cpu discovery code to lower part of the function.
3164         [PROCESSOR_PENTIUM, PROCESSOR_K6, PROCESSOR_ATHLON]: Do not tune
3165         for sub-architecture.
3166         [PROCESSOR_PENTIUMPRO]: Simplify cpu discovery code.
3167         [PROCESSOR_K8]: Add k8-sse3 architecture.
3168         [PROCESSOR_NOCONA]: Remove.
3169         [PROCESSOR_GENERIC64]: Ditto.
3170         * gcc/config/i386/x-i386 (driver-i386.o): Depend on cpuid.h.
3171         * gcc/config/i386/crtfastmath.c: Include cpuid.h.  Use __get_cpuid
3172         to check for SSE and FXSAVE support.
3173         * gcc/config/i386/t-crtfm (crtfastmath.o): Depend on cpuid.h.
3174         Add -minline-all-stringops.
3175         * gcc/config.gcc (i[34567]86-*-*): Add cpuid.h to extra_headers.
3176         (x86_64-*-*): Ditto.
3177
3178 2007-09-05  Jie Zhang  <jie.zhang@analog.com>
3179
3180         * config/bfin/linux-unwind.h: New file.
3181         * config/bfin/linux.h (MD_UNWIND_SUPPORT): Define.
3182         * config/bfin/uclinux.h (MD_UNWIND_SUPPORT): Define.
3183
3184 2007-09-05  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3185
3186         * Makefile.in (stmt.o): Add alloc-pool.h dependency.
3187         * stmt.c: Include alloc-pool.h.
3188         (struct case_node): Remove GTY marker.
3189         (add_case_node): New parameter case_node_pool.  Use it for
3190         allocation of r.
3191         (expand_case): New allocation pool case_node_pool.  Initialize it,
3192         pass to add_case_node and free it.
3193
3194 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3195             David Ung  <davidu@mips.com>
3196             Nigel Stephens <nigel@mips.com>
3197
3198         Add mips16/nomips16 function attributes and -mflip-mips16 option
3199         for testing mixed-mode compilation.
3200
3201         * config/mips/mips.opt (mflip-mips16): New.
3202
3203         * config/mips/mips.h (SYMBOL_FLAG_MIPS16_FUNC): Define.
3204         (SYMBOL_FLAG_MIPS16_FUNC_P): Define.
3205
3206         * config/mips/mips.c (mips_base_target_flags): New.
3207         (mips_base_mips16): New.
3208         (mips_base_schedule_insns): New.
3209         (mips_base_reorder_blocks_and_partition): New.
3210         (mips_base_align_loops): New.
3211         (mips_base_align_jumps): New.
3212         (mips_base_align_functions): New.
3213         (mips16_flipper): New.
3214         (mips_attribute_table): Add "mips16" and "nomips16" entries.
3215         (TARGET_SET_CURRENT_FUNCTION): Define.
3216         (mips_mips16_type_p, mips_nomips16_type_p): New.
3217         (mips_comp_type_attributes): Check mips16/nomips16 attributes.
3218         (mips_function_ok_for_sibcall): Make it deal with functions with
3219         mips16 attributes.
3220         (mips_init_split_addresses): New, split out from override_options.
3221         (mips_init_relocs): New, split out from override_options.
3222         (was_mips16_p): New.
3223         (mips_set_mips16_mode): New, split out from override_options.
3224         (mips_set_current_function): New.
3225         (override_options): Add sorry for unsupported mips16/pic
3226         combination.  Remove error for mips16/dsp combination.  Save
3227         base option settings.
3228         (mips_file_start): Move mips16 mode setting output from here....
3229         (mips_output_function_prologue): ....to here.
3230         (mips_output_mi_thunk): Check for mips16 function.
3231         (build_mips16_function_stub): Don't set .mips16 here.
3232         (build_mips16_call_stub): Likewise.
3233         (mips_expand_builtin): Error in mips16 mode.
3234         (mips_use_mips16_mode_p): New.
3235         (mips_encode_section_info): Check for mips16 function, and set
3236         SYMBOL_REF_FLAGS accordingly.
3237
3238         * doc/extend.texi (Function Attributes): Document new
3239         mips16/nomips16 attributes.
3240         * doc/invoke.texi (Option Summary): Add -mflip-mips16.
3241         (MIPS Options): Document -mflip-mips16.
3242
3243 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3244
3245         * config/mips/mips.c (mips_legitimize_tls_address): Call sorry
3246         if we encounter TLS address in MIPS16 mode.
3247         (mips_legitimize_const_move): Check cannot_force_const_mem for
3248         the (const (plus symbol offset)) case; this forces invalid TLS
3249         address in MIPS16 mode to be caught by the above call to sorry.
3250         (override_options): Don't reset targetm.have_tls in MIPS16 mode,
3251         because that now enables emutls, which is not ABI compatible
3252         with native TLS in non-MIPS16 mode.
3253
3254 2007-09-05  Sandra Loosemore  <sandra@codesourcery.com>
3255
3256         Add target hook invoked when cfun changes.
3257
3258         * doc/tm.texi (TARGET_SET_CURRENT_FUNCTION): Document.
3259         * target.h (struct gcc_target): Add set_current_function.
3260         * target-def.h (TARGET_SET_CURRENT_FUNCTION): Define.
3261         (TARGET_INITIALIZER): Add initializer for set_current_function.
3262         * tree.h (push_struct_function): New.
3263         * tree-inline.h (push_cfun, pop_cfun): Move declarations to...
3264         * function.h: Here.
3265         (set_cfun): Declare.
3266         * tree-inline.c (cfun_stack, push_cfun, pop_cfun): Moved to...
3267         * function.c: Here.
3268         (push_function_context_to): Use allocate_struct_function
3269         to create null context, not init_dummy_function_start.  Use set_cfun.
3270         (pop_function_context_from): Use set_cfun.
3271         (in_dummy_function): New.
3272         (invoke_set_current_function_hook): New.
3273         (set_cfun): New.
3274         (push_cfun, pop_cfun): Use set_cfun.
3275         (push_struct_function): New.
3276         (allocate_struct_function): Call invoke_set_current_function_hook
3277         before returning.
3278         (prepare_function_start): Don't set cfun here.  Remove unused
3279         argument; fix all callers.
3280         (init_dummy_function_start): Fiddle with in_dummy_function.  Call
3281         push_struct_function.
3282         (init_function_start): Set cfun here.
3283         (expand_dummy_function_end): Fiddle with in_dummy_function.  Pop cfun.
3284         * omp-low.c (create_omp_child_function): Use push_struct_function
3285         and pop_cfun to save/restore state.
3286         (expand_omp_parallel): Remove unused saved_cfun variable.
3287         * cgraphunit.c (ipa_passes): Use set_cfun.
3288         * gimple-low.c (record_vars_into): Use push_cfun/pop_cfun here.
3289         * dwarf2out.c (dwarf2out_abstract_function): Likewise.
3290         * matrix-reorg.c (transform_allocation_sites): Likewise.
3291         (matrix_reorg): Use set_cfun.
3292         * gimplify.c (gimplify_function_tree): Use push_cfun/pop_cfun here.
3293         * tree-optimize.c (tree_rest_of_compilation): Remove one redundant
3294         assignment to cfun; use set_cfun for the other.
3295         * tree-cfg.c (move_sese_region_to_fn): Use set_cfun.
3296         (dump_function_to_file): Use push_cfun/pop_cfun here.
3297         * c-decl.c (finish_function): Use set_cfun.
3298
3299 2007-09-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3300
3301         * regrename.c (rerename_optimize): Use deferred rescanning and
3302         insert explicit calls to rescan insns when changed.
3303
3304 2007-09-05  Jan Hubicka  <jh@suse.cz>
3305
3306         * optabs.c (libfunc_entry): Change optab to integer.
3307         (hash_libfunc, convert_optab_libfunc, optab_libfunc,
3308         set_optab_libfunc, set_conv_libfunc): Use optable indexes instead
3309         of pointers for hashing.
3310
3311 2007-09-05  Jan Hubicka  <jh@suse.cz>
3312
3313         * regrename.c (pass_regrename, pass_cprop_hardreg): Add RTL sharing
3314         verifier.
3315         * fwprop.c (pass_rtl_fwprop, pass_rtl_fwprop_add): Likewise.
3316         * see.c (pass_see): Likewise.
3317         * tracer.c (pass_tracer): Likewise.
3318         * postreload-gcse.c (pass_gcse2): Likewise.
3319         * postreload.c (pass_postreload_cse): Likewise.
3320         * mode-switching.c (pass_mode_switching): Likewise.
3321         * modulo-sched.c (pass_sms): Likewise.
3322         * cse.c (cse_insn): Likewise.
3323         * web.c (pass_web): Likweise.
3324         * combine-stack-adj.c (pass_stack_adjustments): Likewise.
3325         * dce.c (pass_ud_rtl_dce, pass_fast_rtl_dce): Likewise.
3326         * loop-init.c (pass_rtl_loop_init): Likewise.
3327         (pass_rtl_loop_done, pass_rtl_move_loop_, pass_rtl_unswitch,
3328         pass_rtl_unroll_and, pass_rtl_doloop): Likewise.
3329         * global.c (pass_global_alloc): Likewise.
3330         * ifcvt.c (pass_rtl_ifcvt, pass_if_after_combine,
3331         pass_if_after_reload): Likewise.
3332         * reload.c (pass_peephole2, pass_split_for_shoren_branches): Likewise.
3333         * dse.c (pass_rtl_dse1, pass_rtl_dse2): Likewise.
3334         * regmove.c (pass_regmove): Likewise.
3335         * function.c (pass_thread_prologugues_epilogues): Likewise.
3336         * gcse.c (pass_gcse): Likewise.
3337         * rtl-factoring.c (pass_rtl_seqabstr): Likewise.
3338         * lower-subreg.c (pass_lower_subreg2): Likewise.
3339         * bt-load.c (pass_branch_target_load): Likewise.
3340         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
3341         * cfgcleanup.c (pass_jump, pass_jump2): Likewise.
3342         * combine.c (pass_combine): Likewise.
3343         * bb-reorder.c (pass_duplicate_comp, pass_reorder_blocks): Likewise.
3344         (pass_partition_blocks): Likewise.
3345         * var-tracking.c (pass_variable_track): Likewise.
3346         * reg-stack.c (pass_stack_regs_run): Likewise.
3347         * sched-rgn.c (pass_sched, pass_sched2): Likewise.
3348         * passes.c (pass_postreload): Likewise.
3349         (execute_function_todo): Add TODO_verify_rtl_sharing handling code.
3350         * tree-pass.h (TODO_verify_rtl_sharing): New.
3351         (TODO_update_ssa, TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
3352         TODO_update_ssa_only_virtuals, TODO_remove_unused_locals,
3353         TODO_set_props, TODO_df_finish, TODO_df_verify,
3354         TODO_mark_first_instance, TODO_rebuild_alias): Renumber.
3355
3356 2007-09-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3357
3358         * fold-const.c (all_ones_mask_p, sign_bit_p, simple_operand_p,
3359         fold_real_zero_addition_p, reorder_operands_p,
3360         div_if_zero_remainder, fold_undefer_overflow_warnings,
3361         int_binop_types_match_p, fold_convert_const_int_from_int,
3362         fold_convert_const_int_from_real,
3363         fold_convert_const_int_from_fixed,
3364         fold_convert_const_real_from_real,
3365         fold_convert_const_real_from_fixed,
3366         fold_convert_const_fixed_from_fixed,
3367         fold_convert_const_fixed_from_int,
3368         fold_convert_const_fixed_from_real, maybe_lvalue_p,
3369         fold_checksum_tree, fold_check_failed, print_fold_checksum,
3370         debug_fold_checksum, multiple_of_p): Constify.
3371         * tree-flow-inline.h (get_lineno): Likewise.
3372         * tree-flow.h (get_lineno): Likewise.
3373         * tree-object-size.c (compute_object_offset, addr_object_size,
3374         alloc_object_size, pass_through_call): Likewise.
3375         * tree-pretty-print.c (op_symbol, print_call_name,
3376         print_struct_decl, do_niy): Likewise.
3377         * tree.h (fold_undefer_overflow_warnings, multiple_of_p,
3378         debug_fold_checksum): Likewise.
3379
3380 2007-09-04  Steven Bosscher  <steven@gcc.gnu.org>
3381
3382         PR middle-end/33029
3383         * lower-subreg.c (resolve_clobber): If we remove a REG_LIBCALL
3384         note, remove the associated REG_RETVAL note.
3385
3386 2007-09-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3387
3388         * config.gcc (powerpc*-*-*): Install
3389         spu2vmx.h, vec_types.h, and si2vmx.h headers.
3390         * config/rs6000/spu2vmx.h: New header.
3391         * config/rs6000/si2vmx.h: New header.
3392         * config/rs6000/vec_types.h: New header.
3393
3394 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3395
3396         * varasm.c (initializer_constant_valid_p): Fix comment typo.
3397
3398 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3399
3400         * config/rs6000/ppu_intrinsics.h (__ldarx): Use `Z' constraint,
3401         not `m' for *ptrp.
3402         (__stdcx): Make asm volatile.
3403         (__stwcx, __stdcx): Return only 0 or 1.
3404
3405 2007-09-05  Jan Hubicka  <jh@suse.cz>
3406
3407         Revert:
3408
3409         2007-09-04  Jan Hubicka  <jh@suse.cz>
3410         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3411
3412         2007-09-04  Richard Guenther  <rguenther@suse.de>
3413         * tree-ssa-operands.c (add_virtual_operand): Only mark
3414         stores as has_volatile_ops if alias information is not available.
3415
3416 2007-09-05  Jakub Jelinek  <jakub@redhat.com>
3417
3418         * config/rs6000/tramp.asm: Include config.h.
3419         Check __PIC__ or __pic__ macro instead of SHARED.
3420
3421         PR rtl-optimization/32300
3422         * see.c (see_copy_insn): New function.
3423         (see_def_extension_not_merged, see_merge_one_use_extension,
3424         see_merge_one_def_extension): Use it.  Avoid changing
3425         PREV_INSN/NEXT_INSN chains directly, insted emit insns
3426         into sequences.  Call df_insn_delete on temporary insns
3427         that won't be emitted into the insn stream.
3428         (rest_of_handle_see): Turn off DF_DEFER_INSN_RESCAN
3429         and run df_process_deferred_rescans () before run_fast_dce.
3430
3431         PR tree-optimization/33017
3432         * tree-data-ref.c (split_constant_offset) <case SSA_NAME>: Don't
3433         recurse for pure or const function calls.
3434
3435 2007-09-04  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3436
3437         * c-format.c: Include alloc-pool.h.
3438         (check_format_info_main): New argument fwt_alloc.  Use allocation
3439         pool instead of GC.  Remove GC deallocation code.
3440         (check_format_arg): Create allocation pool, pass it to
3441         check_format_info_main and free it afterwards.
3442         * Makefile.in (c-format.o): Add alloc-pool.h dependency.
3443
3444 2007-09-05  Ben Elliston  <bje@au.ibm.com>
3445
3446         * config/rs6000/ppu_intrinsics.h (__protected_stream_count):
3447         Rename count macro arugment for clarity.
3448         (__protected_unlimited_stream_set): Pass UG=1 to __dcbt_TH1000.
3449         (__protected_stream_set): Likewise, pass 0.
3450
3451 2007-09-04  Jan Hubicka  <jh@suse.cz>
3452
3453         * tree-tailcall.c (eliminate_tail_call): Expect unrenamed return value.
3454
3455 2007-09-04  Jan Hubicka  <jh@suse.cz>
3456
3457         * invoke.texi (-finline-small-functions): Document.
3458         * ipa-inline.c (cgraph_default_inline_p): Do not use DECL_INLINE
3459         when deciding what is inlinable.
3460         (cgraph_decide_recursive_inlining): Handle flag_inline_functions.
3461         (cgraph_decide_inlining_of_small_function): Handle new flags.
3462         (cgraph_decide_inlining_incrementally): Likewise.
3463         * opts.c (decode_options): Enable flag_inline_small_functions at -O2
3464         * common.opt (finline-small-functions): New.
3465         * Makefile.in (build/gengtype.o-warn): Work around PR29478
3466
3467 2007-09-04  Richard Guenther  <rguenther@suse.de>
3468
3469         * tree-ssa-operands.c (add_virtual_operand): Only mark
3470         stores as has_volatile_ops if alias information is not available.
3471
3472 2007-09-04  Andrew Haley  <aph@redhat.com>
3473
3474         * config/arm/libgcc-bpabi.ver: Add _Unwind_Backtrace as GCC_4.3.0.
3475
3476 2007-09-04  Andrew Haley  <aph@redhat.com>
3477
3478         * config/arm/libunwind.S (UNWIND_WRAPPER _Unwind_Backtrace): New.
3479         * config/arm/unwind-arm.h (__gnu_Unwind_Backtrace): New.
3480         * config/arm/unwind-arm.c (__gnu_Unwind_Backtrace): New.
3481
3482 2007-09-04  Emmanuel Thome  <Emmanuel.Thome@inria.fr>
3483
3484         PR c++/14178
3485         * common.opt: Mention ABI version 2 in comment.
3486
3487 2007-09-04  Jan Hubicka  <jh@suse.cz>
3488
3489         * optabs.c (debug_optab_libfunc): Update; make available to gdb.
3490         (libfunc_entry): New structure.
3491         (libfunc_hash): New hashtable.
3492         (hash_libfunc): New function.
3493         (eq_libfunc): New function.
3494         (convert_optab_libfunc): New function.
3495         (optab_libfunc): New function.
3496         (expand_binop, sign_expand_binop, expand_twoval_binop_libfunc,
3497         expand_unop, prepare_cmp_insn, prepare_float_insn, gen_add2_insn,
3498         expand_float, expand_fix, new_optab, new_convert_optab):
3499          Update for new libfunc API.
3500         (init_libfunc, init_integral_libfuncs,
3501         init_floating_libfuncs, init_interclass_conv_libfuncs
3502         init_intraclass_conv_libfuncs): Remove; reorganize all logic to:
3503         (gen_libfunc, gen_int_libfunc, gen_fp_libfunc, gen_int_fp_libfunc,
3504         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
3505         gen_int_to_fp_conv_libfunc, gen_ufloat_conv_libfunc,
3506         gen_int_to_fp_nondecimal_conv_libfunc, gen_fp_to_int_conv_libfunc,
3507         gen_intraclass_conv_libfunc, gen_trunc_conv_libfunc,
3508         gen_extend_conv_libfunc): New.
3509         (init_one_libfunc): Revamp for hashtables.
3510         (set_conv_libfunc): Likewise.
3511         (init_optabs): Initialize hashtable; use lazy initialization where
3512         possible.
3513         * optabs.h (optab_handlers): Move out of GGC.
3514         (optab, convert_optab): Move out of GGC; add lazy gen info.
3515         (code_to_optab, convert_optab_table, optab_table): Move out of GGC.
3516         (optab_libfunc, convert_optab_libfunc): New.
3517         * builtins.c (expand_builtin_powi): Update for new API.
3518         * expr.c (convert_move): Likewise.
3519         * expmed.c (expand_divmod): Likewise.
3520
3521 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3522
3523         * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space for the
3524         GOT pointer only if there is a constant pool.  Use the allocated space
3525         for SPE also.
3526
3527 2007-09-04  Daniel Jacobowitz  <dan@codesourcery.com>
3528
3529         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Correct
3530         typo for AltiVec.
3531
3532 2007-09-04  Revital Eres  <eres@il.ibm.com>
3533             Richard Guenther  <rguenther@suse.de>
3534             R. Clint Whaley  <whaley@cs.utsa.edu>
3535
3536         * doc/invoke.texi (-fassociative-math, -freciprocal-math):
3537         Document new flags.
3538         * tree-tailcall.c (process_assignment): Use -fassociative-math
3539         when reodering operands of floating-point type.
3540         * fold-const.c (fold_comparison, fold_binary): Use
3541         -fassociative-math and -freciprocal-math instead of
3542         -funsafe-math-optimization flag.
3543         * toplev.h (set_unsafe_math_optimizations_flags): Declare function.
3544         * tree-ssa-math-opts.c (gate_cse_reciprocals): Use
3545         -freciprocal-math instead of -funsafe-math-optimizations.
3546         * opts.c (set_fast_math_flags): Set -freciprocal-math and
3547         -fassociative-math when -ffast-math is set.
3548         (set_unsafe_math_optimizations_flags): New Function
3549         to set -freciprocal-math and -fassociative-math when
3550         -funsafe-math-optimizations is set.
3551         (common_handle_option): Call it.
3552         * tree-vectorizer.c (vect_is_simple_reduction): Use
3553         -fassociative-math when doing reduction on floats.
3554         * loop-unroll.c (analyze_insn_to_expand_var): Use
3555         -fassociative-math when expanding an accumulator of type float.
3556         * simplify-rtx.c (simplify_binary_operation_1): Use
3557         -fassociative-math and -freciprocal-math when reordeing operands
3558         of floating-point type.
3559         * combine.c (combine_simplify_rtx): Likewise.
3560         * tree-ssa-reassoc.c (break_up_subtract_bb, reassociate_bb):
3561         Likewise.
3562         * common.opt (-fassociative-math, -freciprocal-math): New flags.
3563
3564 2007-09-04  Paolo Carlini  <pcarlini@suse.de>
3565
3566         PR c++/18608
3567         * doc/install.texi (--enable-__cxa_atexit): Fix typo.
3568
3569 2007-09-04  Jan Hubicka  <jh@suse.cz>
3570
3571         * regrename.c(copyprop_hardreg_forward_1): Unshare when doing copyprop.
3572
3573 2007-09-04  Jan Hubicka  <jh@suse.cz>
3574
3575         * regrename.c (build_def_use): Don't share RTL between MATCH_OPERATOR
3576         and corresponding MATCH_DUP.
3577
3578 2007-09-04  Uros Bizjak  <ubizjak@gmail.com>
3579
3580         PR middle-end/33187
3581         * combine.c (subst): Do not try to simplify X if it represents load
3582         of FP constant from the constant pool via float extension.
3583
3584 2007-09-04  Ben Elliston  <bje@au.ibm.com>
3585
3586         * c-opts.c: Include "tm_p.h".
3587         * Makefile.in (c-opts.o): Add $(TM_P_H) as a dependency.
3588
3589 2007-09-04  Richard Guenther  <rguenther@suse.de>
3590
3591         PR tree-optimization/33291
3592         * tree-pretty-print.c (dump_generic_node): Dump all
3593         qualifiers for pointer types, not only first.  Dump
3594         qualifiers for aggregate types as well.
3595         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Always
3596         use the canonical type for building ARRAY_REFs.
3597         * gimplify.c (canonicalize_addr_expr): Clean up.  The
3598         correct validness check is compatibility of the pointer
3599         types.  Always use the canonical type for building
3600         ARRAY_REFs and ADDR_EXPRs.
3601         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Revert
3602         change that disabled propagation of ADDR_EXPRs into statements
3603         with volatile ops.
3604
3605 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3606
3607         * config/arm/arm.md (mulsidi3, umulsidi3, mulsi3_highpart)
3608         (umulsi3_highpart): Make into expanders; existing insns are
3609         now named *[insn]_nov6.  Add stars to existing [insn]_v6
3610         counterparts' names.
3611
3612 2007-09-03  Daniel Jacobowitz  <dan@codesourcery.com>
3613
3614         * Makefile.in (DRIVER_DEFINES, gcc.o, gccspec.o, protoize.o)
3615         (unprotoize.o): Remove SHLIB_MULTILIB.
3616
3617 2007-09-03  Eric Weddington  <eweddington@cso.atmel.com>
3618
3619         * doc/extend.texi: Document progmem attribute for AVR.
3620
3621 2007-09-03  Anatoly Sokolov <aesok@post.ru>
3622
3623         PR target/28902
3624         * config/avr/avr.h (TARGET_VTABLE_ENTRY_ALIGN): Define.
3625
3626 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3627
3628         * optabs.c (expand_ffs): Initialize val and defined_at_zero
3629         to avoid warnings.
3630
3631         * optabs.c: Remove unnecessary forward declarations.
3632         (expand_unop_direct): New, broken out of expand_unop.
3633         (expand_doubleword_clz): New.
3634         (expand_ctz): Move above expand_ffs.  Use
3635         start_sequence, end_sequence, add_equal_note, and
3636         expand_unop_direct.  Add more commentary.
3637         (expand_ffs): Try both ctz optab and expand_ctz.
3638         Generate a test and branch if the hardware doesn't give us
3639         a useful value for input zero.  Style improvements similar to
3640         expand_ctz.
3641
3642         * config/arm/arm.md (ffssi2, ctzsi2): Delete.
3643
3644 2007-09-03  Zack Weinberg  <zack@codesourcery.com>
3645
3646         * config.gcc: Delete stanza for arm-semi-aof and
3647         armel-semi-aof targets.
3648         * config/arm/arm-protos.h
3649         * config/arm/arm.c
3650         * config/arm/arm.h: Delete all #ifdef AOF_ASSEMBLER blocks;
3651         make all #ifndef AOF_ASSEMBLER blocks unconditional.  Also
3652         delete aof_pic_label and remove mention of AOF in comments.
3653         * config/arm/arm.md: Delete patterns used only for AOF assembly.
3654         * config/arm/aof.h
3655         * config/arm/semiaof.h
3656         * config/arm/t-semi: Delete file.
3657
3658 2007-09-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3659
3660         * system.h (CONST_CAST2, CONST_CAST_TREE, CONST_CAST_RTX,
3661         CONST_CAST_BB): New macros for type-specific casts.
3662         (CONST_CAST): Add a TYPE parameter and define it in terms of
3663         CONST_CAST2.
3664
3665         * c-decl.c (c_make_fname_decl): Supply a TYPE for CONST_CAST.
3666         * c-lex.c (cb_ident, lex_string): Likewise,
3667         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise,
3668         * config/i386/i386.c (ix86_function_regparm,
3669         ix86_function_sseregparm): Use CONST_CAST_TREE.
3670         * config/mmix/mmix.c (mmix_encode_section_info): Supply a TYPE for
3671         CONST_CAST.
3672         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
3673         give_switch, set_multilib_dir): Likewise,
3674         * gengtype-parse.c (string_seq, typedef_name): Likewise,
3675         * gimple-low.c (block_may_fallthru): Use CONST_CAST_TREE.
3676         * jump.c (reversed_comparison_code_parts): Use CONST_CAST_RTX.
3677         * passes.c (execute_one_pass): Supply a TYPE for CONST_CAST.
3678         * prefix.c (update_path): Likewise,
3679         * pretty-print.c (pp_base_destroy_prefix): Likewise,
3680         * rtlanal.c (keep_with_call_p): Use CONST_CAST_RTX.
3681         * tree-cfg.c (tree_can_merge_blocks_p,
3682         tree_block_ends_with_condjump_p): Use CONST_CAST_BB.
3683         * tree-eh.c (lookup_stmt_eh_region_fn): USe CONST_CAST_TREE.
3684         * tree.c (build_string): Supply a TYPE for CONST_CAST.
3685         (attribute_list_contained): Use CONST_CAST_TREE.
3686
3687 2007-09-03  Krister Walfridsson  <cato@df.lth.se>
3688
3689         * config/netbsd-elf.h (USE_LD_AS_NEEDED): Define.
3690
3691 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3692
3693         PR middle-end/33290
3694         * optabs.c (avoid_expensive_constant): Canonicalize CONST_INTs
3695         before forcing them into a register.
3696
3697 2007-09-03  Richard Sandiford  <richard@codesourcery.com>
3698
3699         * config/mips/mips.md (fetchop_bit): Use define_code_iterator
3700         rather than define_code_macro.
3701
3702 2007-09-03  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3703
3704         * gcc.c (xputenv): New function.
3705         (putenv_from_prefixes): Use xputenv instead of putenv.
3706         (process_command): Use xputenv instead of putenv.
3707         (set_collect_gcc_options): Use xputenv instead of putenv.
3708         (main): Use xputenv instead of putenv.
3709
3710 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3711
3712         * config/cris/cris.h (TARGET_HAS_SWAP): Defined to describe
3713         availability of swap instruction.
3714         * config/cris/cris.md (bswapsi2): Implement using swap instruction.
3715
3716 2007-09-03  Revital Eres  <eres@il.ibm.com>
3717
3718         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Update
3719         Documentation.
3720
3721 2007-09-03  Vladimir Yanovsky  <yanov@il.ibm.com>
3722             Ayal Zaks  <zaks@il.ibm.com>
3723             Revital Eres  <eres@il.ibm.com>
3724
3725         * modulo-sched.c (ps_insert_empty_row, verify_partial_schedule,
3726         compute_split_row): New functions.
3727         (ps_unschedule_node): Remove.
3728         (normalize_sched_times): Iterate over the already scheduled
3729         insns instead of the number of nodes.
3730         (MAX_SPLIT_NUM): New definition.
3731         (sms_schedule_by_order): Change the scheduling heuristic to
3732         avoid useless increases of initiation interval ii.
3733         (get_sched_window): Add dump printouts.
3734
3735 2007-09-02  David Daney  <ddaney@avtrex.com>
3736
3737         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP, UNSPEC_SYNC_OLD_OP,
3738         UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE): New define_constants.
3739         (optab, insn): Add more attributes.
3740         (fetchop_bit): New code macro.
3741         (immediate_insn): New code macro attribute.
3742         (sync): Change condition to ISA_HAS_SYNC.
3743         (rdhwr): Change predicate for operand 0 to register_operand.
3744         (memory_barrier): New expand.
3745         (sync_compare_and_swap<mode>, sync_add<mode>, sync_sub<mode>,
3746         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
3747         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
3748         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
3749         sync_new_nand<mode>, sync_lock_test_and_set<mode>): New insns.
3750         * config/mips/mips.h (ISA_HAS_SYNC, ISA_HAS_LL_SC): New ISA predicates.
3751         (MIPS_COMPARE_AND_SWAP, MIPS_SYNC_OP, MIPS_SYNC_OLD_OP,
3752         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
3753         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE): New Macros.
3754
3755 2007-09-03  Jesper Nilsson  <jesper.nilsson@axis.com>
3756             Hans-Peter Nilsson  <hp@axis.com>
3757
3758         * config/cris/cris.h (TARGET_HAS_LZ, CLZ_DEFINED_VALUE_AT_ZERO):
3759         Defined to describe availability and behavior of CLZ.
3760         * config/cris/cris.md (clzsi2): Implement using lz instruction.
3761         * config/cris/cris.opt: Tweak comment for "-metrax4".
3762         * config/cris/arit.c (LZ): When defined, define as __builtin_clz.
3763         * longlong.h [__CRIS__ && __CRIS_arch_version >= 3]
3764         (count_leading_zeros): Define.
3765
3766 2007-09-01  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3767
3768         * ggc-page.c (ggc_pch_read): Call validate_free_objects.
3769
3770 2007-09-02  Joseph Myers  <joseph@codesourcery.com>
3771
3772         PR middle-end/33272
3773         * c-decl.c (grokdeclarator): Apply qualifiers to type of parameter
3774         decayed from array.
3775
3776 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3777
3778         * config/arm/arm.c, config/rs6000/ppu_intrinsics.h,
3779         config/spu/spu.c, df-scan.c, fixed-value.c, fold-const.c,
3780         ginclude/tgmath.h, haifa-sched.c, optabs.c, recog.c,
3781         sched-deps.c, sched-int.h, system.h, target.h,
3782         tree-ssa-live.c, tree-vect-transform.c, tree-vectorizer.c,
3783         tree.def: Fix comment typos.
3784
3785 2007-09-01  Kazu Hirata  <kazu@codesourcery.com>
3786
3787         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove.
3788         (override_options): Turn on -mstrict-align on non-ColdFire
3789         targets.
3790         * config/m68k/m68k.h (BIGGEST_ALIGNMENT): Update a comment.
3791
3792 2007-09-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3793
3794         * c-common.c (const_strip_array_types): Delete.
3795         * c-common.h (const_strip_array_types): Likewise.
3796         * emit-rtl.c (const_next_insn, const_previous_insn,
3797         const_next_nonnote_insn, const_prev_nonnote_insn,
3798         const_next_real_insn, const_prev_real_insn,
3799         const_next_active_insn, const_prev_active_insn, const_next_label,
3800         const_prev_label): Delete.
3801         * gimple-low.c (block_may_fallthru): Use expr_last.
3802         * jump.c (reversed_comparison_code_parts): Use prev_nonnote_insn.
3803         * rtl.h (const_previous_insn, const_next_insn,
3804         const_prev_nonnote_insn, const_next_nonnote_insn,
3805         const_prev_real_insn, const_next_real_insn,
3806         const_prev_active_insn, const_next_active_insn, const_prev_label,
3807         const_next_label): Delete.
3808         * rtlanal.c (keep_with_call_p): Use next_nonnote_insn.
3809         * system.h (CONST_CAST): Update comment.
3810         * tree-cfg.c (tree_can_merge_blocks_p): Use last_stmt.
3811         (const_first_stmt, const_last_stmt): Delete.
3812         (tree_block_ends_with_condjump_p): Use last_stmt.
3813         * tree-flow.h (const_first_stmt, const_last_stmt): Delete.
3814         * tree-iterator.c (const_expr_first, const_expr_last,
3815         const_expr_only): Delete.
3816         * tree.c (const_lookup_attribute): Likewise.
3817         (attribute_list_contained): Use lookup_attribute.
3818         * tree.h (const_lookup_attribute, const_expr_first,
3819         const_expr_last, const_expr_only): Delete.
3820
3821 2007-09-01  Richard Guenther  <rguenther@suse.de>
3822
3823         * tree-ssa-alias.c (create_name_tags): Use TYPE_VOLATILE
3824         instead of TREE_THIS_VOLATILE.
3825         * tree-ssa-operands.c (add_virtual_operand): Do not set
3826         has_volatile_ops.  Do not check s_ann for NULL.
3827         (get_indirect_ref_operands): Likewise.
3828         (get_expr_operands): Likewise.  For all reference trees
3829         set has_volatile_ops based on TREE_THIS_VOLATILE.  Also
3830         check base of reference for TREE_THIS_VOLATILE.
3831
3832 2007-09-01  Richard Guenther  <rguenther@suse.de>
3833
3834         * tree-cfg.c (verify_gimple_expr): Fix check for conversions
3835         between integral types.  Also allow conversions between
3836         pointer types.
3837
3838 2007-08-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3839
3840         * optabs.c (prepare_float_lib_cmp): Use
3841         libgcc_cmp_return_mode instead of word_mode.
3842         * config/dfp-bit.h: Likewise.
3843         * config/fp-bit.h: Likewise.
3844         * config/spu/spu.c (spu_libgcc_cmp_return_mode):
3845         New function.
3846         (spu_libgcc_shift_count_mode): New function.
3847         (TARGET_LIBGCC_CMP_RETURN_MODE): Define.
3848         (TARGET_LIBGCC_SHIFT_COUNT_MODE): Define.
3849
3850 2007-08-31  Joseph Myers  <joseph@codesourcery.com>
3851
3852         * tree-pretty-print.c: Include output.h.
3853         (dump_decl_name, dump_generic_node): Use %wd with pp_printf, not
3854         HOST_WIDE_INT_PRINT_DEC.
3855         * Makefile.in (tree-pretty-print.o): Add dependency on output.h.
3856
3857 2007-08-31  Zdenek Dvorak  <ook@ucw.cz>
3858
3859         PR rtl-optimization/33224
3860         * loop-iv.c (latch_dominating_def): Check that the definition belongs
3861         to the analysed region.
3862
3863 2007-08-31  Richard Guenther  <rguenther@suse.de>
3864
3865         * function.c (allocate_struct_function): Do not set
3866         current_function_returns_pointer.
3867         * function.h (struct var_refs_queue): Remove.
3868         (struct simple_obstack_stack): Likewise.
3869         (struct function): Remove fixup_var_refs_queue member.
3870         Remove returns_pointer flag.
3871         (current_function_returns_pointer): Remove define.
3872
3873 2007-08-31  Nick Clifton  <nickc@redhat.com>
3874
3875         * tree-ssa-coalesce.c (compare_pairs): Use the elements as
3876         secondary keys in order to obtain a stable sort.
3877
3878 2007-08-31  Nick Clifton  <nickc@redhat.com>
3879
3880         PR target/33132
3881         * config/m32r/constraints.md: Add W constraint for integer zero.
3882         * config/m32r/m32r.md (get_pc): Use W and i constraints.
3883         Fix length calculation by using alternatives.
3884
3885 2007-08-31  Richard Sandiford  <richard@codesourcery.com>
3886
3887         * optabs.c (shift_optab_p, commutative_optab_p): New functions,
3888         split out from expand_binop.
3889         (avoid_expensive_constant): New function.
3890         (expand_binop_directly): Remove commutative_op argument and
3891         (expand_binop_directly): Remove commutative_op argument and
3892         call cummutative_optab_p instead.  Do not change op0 or op1
3893         when swapping xop0 and xop1.  Apply avoid_expensive_constant
3894         to each argument after potential swapping.  Enforce the
3895         canonical order of commutative operands.
3896         (expand_binop): Use shift_optab_p and commutative_optab_p.
3897         Update the calls to expand_binop_directly.  Only force constants
3898         into registers when widening an operation.  Only swap operands
3899         once a direct expansion has been rejected.
3900         (expand_twoval_binop): Only force constants into registers when
3901         using a direct expansion.
3902
3903 2007-08-31  Maxim Kuvyrkov  <maxim@codesourcery.com>
3904
3905         * sched-deps.c (update_dep): Mark arguments with ATTRIBUTE_UNUSED.
3906         (sched_analyze_insn): Don't postprocess speculative dependencies when
3907         target has no scheduling.
3908         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Fix
3909         'uninitialized' warning.
3910
3911 2007-08-31  Richard Guenther  <rguenther@suse.de>
3912
3913         * tree.c (build_complex_type): Always set TYPE_NAME for
3914         comples types.
3915
3916 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3917
3918         * config/rs6000/xcoff.h (XCOFF_CSECT_DEFAULT_ALIGNMENT_STR): New
3919         internal macro. Default alignment factor for csect directives, chosen
3920         to match what BIGGEST_ALIGNMENT allows.
3921         (DATA_SECTION_ASM_OP): Use it.
3922         * config/rs6000/rs6000.c
3923         (rs6000_xcoff_output_readonly_section_asm_op):
3924         Use XCOFF_CSECT_DEFAULT_ALIGNMENT_STR.
3925         (rs6000_xcoff_output_readwrite_section_asm_op): Likewise.
3926
3927 2007-08-31  Olivier Hainque  <hainque@adacore.com>
3928
3929         * dbxout.c (dbxout_block): Move declaration within the first
3930         #if defined (DBX_DEBUGGING_INFO) block.  Rearrange another such
3931         block to include the definition, together with the associated
3932         helpers.
3933
3934 2007-08-31  David Edelsohn  <edelsohn@gnu.org>
3935             Revital Eres  <eres@il.ibm.com>
3936
3937         * doc/invoke.texi (-mpaired): Document flag.
3938         * config.gcc: Include paired.h in powerpc extra_headers and
3939         750cl.h in powerpc-*-linux*paired*.
3940         * config/rs6000/rs6000.opt (-mpaired): New flag.
3941         * config/rs6000/rs6000.c (paired_init_builtins,
3942         paired_expand_builtin, paired_expand_lv_builtin,
3943         paired_expand_stv_builtin, paired_expand_predicate_builtin):
3944         New functions to support the paired single builtin functions.
3945         (rs6000_hard_regno_mode_ok): Handle PAIRED_VECTOR_MODE.
3946         (def_builtin, bdesc_3arg, bdesc_2arg, bdesc_1arg): Add paired
3947         single builtins.
3948         (bdesc_paired_preds): New structure for paired predicate
3949         instructions.
3950         (rs6000_expand_builtin): Expand paired single builtins.
3951         (rs6000_init_builtins): Init paired single builtins.
3952         (rs6000_common_init_builtins): Add v2sf_ftype_v2sf_v2sf_v2sf.
3953         Rename v2sf_ftype_v2sf_v2sf to v2sf_ftype_v2sf_v2sf_spe
3954         and v2sf_ftype_v2sf_spe to v2sf_ftype_v2sf.  Add new types
3955         v2sf_ftype_v2sf_v2sf and v2sf_ftype_v2sf.
3956         (rs6000_vector_mode_supported_p): Support paired vector mode.
3957         * config/rs6000/rs6000.h: (UNITS_PER_PAIRED_WORD,
3958         PAIRED_VECTOR_MODE, PAIRED_SIMD_REGNO_P, TARGET_PAIRED_FLOAT):
3959         New.
3960         (LOCAL_ALIGNMENT): Handle PAIRED_VECTOR_MODE.
3961         (DATA_ALIGNMENT): Likewise.
3962         (UNITS_PER_SIMD_WORD): Handle PAIRED_VECTOR_MODE.
3963         (rs6000_builtins): Add PAIRED builtins.
3964         * config/rs6000/rs6000.md: Include paired.md.
3965         * config/rs6000/paired.h: New.
3966         * config/rs6000/paired.md: New.
3967         * config/rs6000/750cl.h: New.
3968         * config/rs6000/spe.md: Recognize movv2sf instruction for 750cl.
3969
3970 2007-08-30  Ollie Wild  <aaw@google.com>
3971
3972         * c-opts.c (c_common_handle_option): Support -fno-directives-only.
3973         * gcc.c (default_compilers): Add -fno-directives-only to
3974         @assembler-with-cpp.
3975
3976 2007-08-30  Sandra Loosemore  <sandra@codesourcery.com>
3977
3978         PR middle-end/33211
3979
3980         * regclass.c (initial_fixed_regs): Revert previous change and make
3981         it const again.
3982         (initial_call_used_regs): Likewise.
3983         (initial_call_really_used_regs): Delete, reverting previous addition.
3984         (initial_reg_names): Likewise.
3985         (init_reg_sets): Revert previous change.
3986         (saved_fixed_regs): New.
3987         (saved_call_used_regs): New.
3988         (saved_call_really_used_regs): New.
3989         (saved_reg_names): New.
3990         (save_register_info): New.
3991         (restore_register_info): New.
3992         (init_reg_sets_1): Replace reset of register info with call to
3993         restore_register_info.
3994         * rtl.h (save_register_info): Declare.
3995         * toplev.c (backend_init): Call save_register_info.
3996
3997 2007-08-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
3998
3999         * tree-ssa-propagate.c (set_rhs): Remove the copied annotation
4000         from the original statement.
4001
4002 2007-08-30  Chao-ying Fu  <fu@mips.com>
4003
4004         * c-lex.c (interpret_fixed): Declare.
4005         (interpret_float): Process _Fract and _Accum.
4006         (interpret_fixed): New function.
4007         * final.c (output_addr_const): Process CONST_FIXED.
4008         * simplify-rtx.c (simplify_const_unary_operation): Handle US_NEG.
4009         (simplify_binary_operation_1): Handle US_ASHIFT, SS_MULT, US_MULT,
4010         SS_DIV, US_DIV.
4011         (simplify_const_binary_operation): Handle SS_MULT, US_MULT, SS_DIV,
4012         US_DIV, US_ASHIFT.
4013         (simplify_immed_subreg): Support CONST_FIXED.
4014         Process MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
4015         (simplify_subreg): Support CONST_FIXED.
4016
4017 2007-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4018
4019         * config/rs6000/ppu_intrinsics.h: New file.
4020         * config.gcc (powerpc*-*-* <extra_headers>): Install
4021         ppu_intrinsics.h.
4022
4023 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4024
4025         * cfg.c (dump_flow_info): Change to also print entry and exit
4026         block info.
4027         * print-rtl.c (print_rtl_single): Allow to print rtl with
4028         -fdump-unnumbered.
4029
4030 2007-08-30  Kenneth Zadeck <zadeck@naturalbridge.com>
4031
4032         * df-core.h (df_dump_region): New function.
4033         * df.h (df_dump_region): New function.
4034         * loop-invariant.c (find_defs): Add call to df_dump_region.
4035         * loop-iv.c (iv_analysis_loop_init): Changed call from df_dump to
4036         df_dump_region.
4037
4038 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4039
4040         PR target/33168
4041         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Return
4042         true if any of the compare_section_name calls returned true,
4043         rather than if any returned false.
4044
4045 2007-08-30  Richard Guenther  <rguenther@suse.de>
4046
4047         PR tree-optimization/33199
4048         * tree-ssa-structalias.c (handle_lhs_call): New function.
4049         (find_func_aliases): In non-IPA mode make sure that for
4050         calls that return a pointer we add a constraint for the
4051         result to point to anything.
4052
4053 2007-08-30  Richard Guenther  <rguenther@suse.de>
4054
4055         * doc/invoke.texi (-mveclibabi): Document new target option.
4056         * config/i386/i386.opt (-mveclibabi): New target option.
4057         * config/i386/i386.c (ix86_veclib_handler): Handler for
4058         vectorization library support.
4059         (override_options): Handle the -mveclibabi option, initialize
4060         the vectorization library handler.
4061         (ix86_builtin_vectorized_function): As fallback call the
4062         vectorization library handler, if set.
4063         (ix86_veclibabi_acml): New static function for ACML ABI style
4064         vectorization support.
4065
4066 2007-08-30  Jakub Jelinek  <jakub@redhat.com>
4067
4068         * config/rs6000/rs6000.c (rs6000_emit_sync): For QI or HI mode
4069         used_m, even if it is 32-bit aligned, adjust used_m MEM to have
4070         SImode and update m.  Don't run gen_lowpart_common on arbitrary
4071         memory address, force it to register first.
4072
4073         PR middle-end/32758
4074         * dce.c (dce_process_block): Don't delete setters of
4075         artificially used registers.
4076
4077 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4078
4079         * config/s390/s390.md ("*add<mode>3_alc_carry1_cc",
4080         "*add<mode>3_alc_carry1_cconly", "*add<mode>3_alc_carry2_cc",
4081         "*add<mode>3_alc_carry2_cconly"): New insn definitions.
4082
4083 2007-08-30  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4084
4085         * config/s390/s390.c (s390_expand_addcc): Emit canonical alc
4086         pattern.
4087         * config/s390/s390.md ("*add<mode>3_alc_cc", "*add<mode>3_alc",
4088         "addti3", "*adddi3_31z", "*scond<mode>"): Make alc pattern canonical.
4089
4090 2007-08-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4091
4092         * system.h: Activate -Wcast-qual as warning-only.
4093
4094 2007-08-29  Paolo Bonzini  <bonzini@gnu.org>
4095
4096         PR target/33168
4097         * config/rs6000/rs6000.c (compare_section_name): New function.
4098         (rs6000_elf_in_small_data_p): Compare section prefixes instead
4099         of full name.
4100
4101 2007-08-29  Olivier Hainque  <hainque@adacore.com>
4102
4103         * xcoffout.c: #include debug.h.
4104         * Makefile.in (xcoffout.o): Add debug.h dependency.
4105
4106 2007-08-29  Uros Bizjak  <ubizjak@gmail.com>
4107
4108         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4109         Change CONST_VECTOR_ELT to XVECEXP in elem calculation.
4110
4111 2007-08-29  Richard Guenther  <rguenther@suse.de>
4112
4113         * tree-pretty-print.c (dump_generic_node): Print
4114         label DECL_UID as D.%u.
4115         * tree-dfa.c (dump_variable): Print DECL_UID as D.%u.
4116
4117 2007-08-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4118
4119         * gcc/builtin-types.def (BT_FN_PTR_PTR_SIZE): New type.
4120         * gcc/builtins.def (BUILT_IN_REALLOC): New builtin.
4121
4122 2007-08-29  Douglas Gregor  <doug.gregor@gmail.com>
4123
4124         PR c++/33194
4125         * tree.c (build_type_attribute_qual_variant): Set canonical types
4126         on the final, unqualified attribute variant before building the
4127         qualified version.
4128
4129 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4130
4131         * config/bfin/bfin.c (bfin_expand_builtin): Fix the argument
4132         order of __builtin_bfin_cmplx_mac and __builtin_bfin_cmplx_msu.
4133
4134 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4135
4136         Revert
4137         2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4138         * config/bfin/bfin.md (composev2hi): Put operands into vector
4139         with correct order.
4140
4141 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4142
4143         * config/bfin/bfin.md (composev2hi): Put operands into vector
4144         with correct order.
4145
4146 2007-08-29  Jie Zhang  <jie.zhang@analog.com>
4147
4148         * config/bfin/bfin.c (bfin_expand_call): Inline PLT with l1_text
4149         attribute when appropriate.
4150         (bfin_handle_l1_text_attribute): New.
4151         (bfin_handle_l1_data_attribute): New.
4152         (bfin_attribute_table): Add attributes: l1_text, l1_data,
4153         l1_data_A and l1_data_B.
4154         * doc/extend.texi (node Function Attributes): Document l1_text
4155         function attribute.
4156         (Variable Attributes): Add Blackfin subsection. Document l1_data,
4157         l1_data_A and l1_data_B variable attributes.
4158
4159 2007-08-28  Jie Zhang  <jie.zhang@analog.com>
4160
4161         * config/bfin/bfin.opt (minline-plt): Add.
4162         * config/bfin/bfin.c (bfin_expand_call): Inline PLT when emit
4163         call to global functions.
4164         * doc/invoke.texi (Option Summary): Mention -minline-plt.
4165         (Blackfin Options): Document -minline-plt.
4166
4167 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4168
4169         * config/m68k/m68k.c (m68k_get_function_kind): Assert we're never
4170         given a non-function.
4171         (m68k_ok_for_sibcall_p): Only sibcall functions of the same kind.
4172
4173 2007-08-28  DJ Delorie  <dj@redhat.com>
4174
4175         * config/sh/sh.c (sh_gimplify_va_arg_expr): Fix sh2a support.
4176
4177 2007-08-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4178
4179         * system.h (CONST_CAST): Avoid union for gcc-4.0.x.
4180
4181 2007-08-28  Richard Guenther  <rguenther@suse.de>
4182
4183         * tree.h (struct tree_function_decl): Increase size of
4184         function_code bitfield.
4185
4186 2007-08-28  Nathan Sidwell  <nathan@codesourcery.com>
4187             Kazu Hirata  <kazu@codesourcery.com>
4188
4189         * gcc/config/m68k/linux.h
4190         (M68K_HONOR_TARGET_STRICT_ALIGNMENT): Redefine as 0.
4191         * config/m68k/m68k.c (TARGET_RETURN_IN_MEMORY): New.
4192         (m68k_return_in_memory): New.
4193         * gcc/config/m68k/m68k.h (M68K_HONOR_TARGET_STRICT_ALIGNMENT):
4194         New.
4195
4196 2007-08-28  Uros Bizjak  <ubizjak@gmail.com>
4197
4198         PR target/32661
4199         * simplify-rtx.c (simplify_binary_operation_1) [VEC_SELECT]:
4200         Simplify nested VEC_SELECT (with optional VEC_CONCAT operator as
4201         operand) when top VEC_SELECT extracts scalar element.
4202         * config/i386/sse.md (*vec_extract_v4si_mem): New pattern.
4203         (*vec_extract_v4sf_mem): Ditto.
4204
4205 2007-08-28  Jakub Jelinek  <jakub@redhat.com>
4206
4207         PR middle-end/32370
4208         * passes.c (init_optimization_passes): Move pass_df_finish
4209         after pass_postreload sublist.
4210
4211         PR rtl-optimization/33148
4212         * simplify-rtx.c (simplify_unary_operation_1): Only optimize
4213         (neg (lt X 0)) if X has scalar int mode.
4214
4215         PR debug/32914
4216         * dwarf2out.c (rtl_for_decl_init): If vector decl has CONSTRUCTOR
4217         initializer, use build_vector_from_ctor if possible to create
4218         VECTOR_CST out of it.  If vector initializer is not VECTOR_CST
4219         even after this, return NULL.
4220
4221 2007-08-28  Gabriel Dos Reis  <gdr@integrable-solutions.net>
4222
4223         * c-pretty-print.c (pp_c_constant): Handle COMPLEX_CST.
4224
4225 2007-08-28  Richard Guenther  <rguenther@suse.de>
4226
4227         * tree.h (DECL_DISREGARD_INLINE_LIMITS): New.
4228         (struct tree_function_decl): Make function_code a bitfield.
4229         Add disregard_inline_limits flag.
4230         * cgraphunit.c (cgraph_process_new_functions): Check
4231         DECL_DISREGARD_INLINE_LIMITS instead of disregard_inline_limits_p.
4232         (cgraph_preserve_function_body_p): Likewise.
4233         * ipa-inline.c (compute_inline_parameters): Likewise.
4234         * c-decl.c (finish_function): Set DECL_DISREGARD_INLINE_LIMITS
4235         for GNU C extern inline functions.
4236         (merge_decls): Merge DECL_DISREGARD_INLINE_LIMITS.
4237         * tree-inline.c (disregard_inline_limits_p): Remove.
4238         * tree-inline.h (disregard_inline_limits_p): Likewise.
4239         * c-common.c (handle_always_inline_attribute): Set
4240         DECL_DISREGARD_INLINE_LIMITS.
4241         * langhooks.c (add_builtin_function): Verify the function code
4242         fits in the bitfield.
4243
4244 2007-08-28  Mircea Namolaru  <namolaru@il.ibm.com>
4245             Vladimir Yanovsky  <yanov@il.ibm.com>
4246             Revital Eres  <eres@il.ibm.com>
4247             Andrey Belevantsev  <abel@ispras.ru>
4248
4249         * config/spu/spu.md: Recognize doloop pattern when -fmodulo-sched
4250         is set.
4251         * modulo-sched.c: Add documentation regarding do-loop.
4252         (doloop_register_get): Change number of arguments to support
4253         the new do-loop pattern and check whether COUNT_REG has no other
4254         occurences in the loop besides in the control part.
4255         (duplicate_insns_of_cycles): Do not duplicate the insn which
4256         changes count_reg as it is already adjusted.
4257         (generate_prolog_epilog): New argument to support the new
4258         do-loop pattern.  Change the subtract instruction to use
4259         expand_simple_binop.  Call duplicate_insns_of_cycles with new
4260         argument.
4261         (sms_schedule): Call doloop_register_get and
4262         generate_prolog_epilog with new argument.  Do not handle loops
4263         with single sets insns with subreg in their lhs.
4264         * loop-doloop.c (doloop_optimize): Support for another do-loop
4265         pattern.
4266         (doloop_condition_get): Gets an instruction instead of a pattern
4267         and change the return condition when the do-loop pattern is
4268         not parallel.
4269         * ddg.c (create_ddg_dep_from_intra_loop_link): Handle only reg
4270         deps when considering to not create edges.
4271
4272 2007-08-27  Alexandre Oliva  <aoliva@redhat.com>
4273
4274         * doc/extend.texi (gnu_inline funtion attribute): Document C++
4275         behavior.
4276
4277 2007-08-27  Jason Merrill  <jason@redhat.com>
4278
4279         PR c++/31337
4280         * gimplify.c (gimplify_modify_expr): Discard the assignment of
4281         zero-sized types after calling gimplify_modify_expr_rhs.
4282
4283 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4284
4285         * regclass.c (init_reg_autoinc): Fix typo.
4286
4287 2007-08-27  Daniel Berlin  <dberlin@dberlin.org>
4288
4289         Fix PR tree-optimization/33173
4290         * tree-ssa-alias.c (find_used_portions): Fix reversed test.
4291
4292 2007-08-27  H.J. Lu  <hongjiu.lu@intel.com>
4293
4294         PR target/31385
4295         * config/i386/i386.h (VALID_DFP_MODE_P): New.
4296         * config/i386/i386.c (ix86_hard_regno_mode_ok): Allow DFP in
4297         GPR.
4298
4299 2007-08-27  Sandra Loosemore  <sandra@codesourcery.com>
4300             David Ung  <davidu@mips.com>
4301             Nigel Stephens <nigel@mips.com>
4302
4303         Separate target-specific initialization from general
4304         back-end initialization.
4305
4306         * toplev.c (init_alignments): New, split out from...
4307         (process_options): ...here.
4308         (backend_init_target): New, split out from...
4309         (backend_init): ...here.
4310         (lang_dependent_init_target): New, split out from...
4311         (lang_dependent_init): ...here.
4312         (target_reinit): New.
4313         * toplev.h (target_reinit): Declare.
4314         * expr.c (init_expr_target): Renamed from init_expr_once, since it
4315         now can be called more than once.  Update comments.
4316         * expr.h (init_expr_target): Likewise.
4317         * alias.c (init_alias_target): Renamed from init_alias_once, since it
4318         now can be called more than once.  Explicitly zero
4319         static_reg_base_value.
4320         * emit-rtl.c (init_emit_regs): New, split out from...
4321         (init_emit_once): Here.
4322         * regclass.c (initial_fixed_regs, initial_call_used_regs): Make
4323         non-const, so that changes from command-line arguments can overwrite
4324         values provided by the static initializers.
4325         (initial_call_really_used_regs): New, used similarly to the above.
4326         (initial_reg_names): Likewise.
4327         (last_mode_for_init_move_cost): Promoted function-local static to
4328         file-scope static to make it accessible outside init_move_cost.
4329         (init_reg_sets): Do not initialize fixed_regs and call_used_regs yet.
4330         Do not initialize inv_reg_alloc_order yet, either.  Do initialize
4331         reg_names since it is needed for parsing command-line options.
4332         (init_move_cost): Use last_mode_for_init_move_cost instead of
4333         function-local static.
4334         (init_reg_sets_1): Initialize fixed_regs, call_used_regs, and
4335         call_really_used_regs now.  Reinitialize reg_names.  Also
4336         initialize inv_reg_alloc_order.  Zero reg_class_subunion and
4337         reg_class_superunion.  Clear losing_caller_save_reg_set.
4338         Preserve global registers if called more than once.  Reset
4339         move cost, may_move_in_cost, may_move_out_cost, and
4340         last_mode_for_init_move_cost.
4341         (init_reg_modes_target): Renamed from init_reg_modes_once, since it
4342         can now be invoked more than once.  Update comments.
4343         (init_regs): Update comments.
4344         (fix_register): Update initial_fixed_regs, initial_call_used_regs,
4345         and initial_call_really_used_regs, instead of the non-initial
4346         variables.  This allows us to save the command-line register settings
4347         after target reinitialization.
4348         (init_reg_autoinc): Zero forbidden_inc_dec_classes.
4349         * rtl.h (init_emit_regs): Declare.
4350         (init_reg_modes_target, init_alias_target): Renamed as described
4351         above.
4352         * reload1.c (init_reload): Update comments.
4353         * optabs.c (init_optabs): Likewise.
4354         * cfgloopanal.c (init_set_costs): Explicitly zero target_avail_regs.
4355
4356 2007-08-26  Chao-ying Fu  <fu@mips.com>
4357
4358         * rtl.h (XCNMPFV): Preserve const-ness of parameters through use of
4359         __typeof().
4360
4361 2007-08-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4362
4363         * alias.c (memory_modified_1, memory_modified_in_insn_p):
4364         Constify.
4365         * basic-block.h (tree_predicted_by_p, rtl_predicted_by_p):
4366         Likewise.
4367         * bb-reorder.c (copy_bb_p): Likewise.
4368         * cfghooks.c (can_remove_branch_p, can_merge_blocks_p,
4369         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4370         block_ends_with_condjump_p): Likewise.
4371         * cfghooks.h (can_remove_branch_p, can_merge_blocks_p,
4372         predicted_by_p, can_duplicate_block_p, block_ends_with_call_p,
4373         block_ends_with_condjump_p): Likewise.
4374         * cfglayout.c (cfg_layout_can_duplicate_bb_p): Likewise.
4375         * cfgrtl.c (can_delete_note_p, can_delete_label_p,
4376         rtl_can_merge_blocks, cfg_layout_can_merge_blocks_p,
4377         rtl_block_ends_with_call_p, rtl_block_ends_with_condjump_p,
4378         need_fake_edge_p, rtl_can_remove_branch_p): Likewise.
4379         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Use
4380         debug_true_const_tree instad of debug_true_tree.
4381         * debug.c (do_nothing_debug_hooks): Likewise.
4382         * debug.h (ignore_block, debug_true_const_tree): Constify.
4383         * dwarf2out.c (stack_adjust_offset, clobbers_queued_reg_save,
4384         dwarf2out_ignore_block, is_pseudo_reg, is_tagged_type,
4385         decl_ultimate_origin, block_ultimate_origin, lookup_decl_loc,
4386         same_dw_val_p, add_ranges, is_subrange_type, type_is_enum,
4387         dbx_reg_number, is_based_loc, field_type,
4388         simple_type_align_in_bits, simple_decl_align_in_bits,
4389         simple_type_size_in_bits, field_byte_offset, insert_float,
4390         type_tag, member_declared_type, is_redundant_typedef,
4391         secname_for_decl, is_inlined_entry_point): Likewise.
4392         * emit-rtl.c (const_next_insn, const_previous_insn,
4393         const_next_nonnote_insn, const_prev_nonnote_insn,
4394         const_next_real_insn, const_prev_real_insn,
4395         const_next_active_insn, const_prev_active_insn, const_next_label,
4396         const_prev_label): Likewise.
4397         * except.h (lookup_stmt_eh_region_fn, lookup_stmt_eh_region):
4398         Likewise.
4399         * haifa-sched.c (may_trap_exp, haifa_classify_insn,
4400         find_set_reg_weight, no_real_insns_p, find_set_reg_weight,
4401         sched_insn_is_legitimate_for_speculation_p): Likewise.
4402         * jump.c (reversed_comparison_code_parts,
4403         reversed_comparison_code, reversed_comparison, condjump_label):
4404         Likewise.
4405         * predict.c (rtl_predicted_by_p, tree_predicted_by_p): Likewise.
4406         * reg-stack.c (stack_regs_mentioned_p, stack_regs_mentioned):
4407         Likewise.
4408         * rtl.h (const_previous_insn, const_next_insn,
4409         const_prev_nonnote_insn, const_next_nonnote_insn,
4410         const_prev_real_insn, const_next_real_insn,
4411         const_prev_active_insn, const_next_active_insn, const_prev_label,
4412         const_next_label, modified_between_p, modified_in_p,
4413         const_note_storeskeep_with_call_p, condjump_label,
4414         reversed_comparison, reversed_comparison_code,
4415         reversed_comparison_code_parts, memory_modified_in_insn_p,
4416         stack_regs_mentioned): Likewise.
4417         * rtlanal.c (modified_between_p, modified_in_p, const_note_stores,
4418         keep_with_call_p): Likewise.
4419         * sched-deps.c (deps_may_trap_p, sched_get_condition,
4420         conditions_mutex_p, sched_insns_conditions_mutex_psd_next_list,
4421         sd_lists_size, sd_lists_empty_p): Likewise.
4422         * sched-int.h (sched_insns_conditions_mutex_p,
4423         haifa_classify_insn, no_real_insns_p,
4424         sched_insn_is_legitimate_for_speculation_p, sd_next_list,
4425         sd_lists_size, sd_lists_empty_p): Likewise.
4426         * sdbout.c (sdb_debug_hooks): Likewise.
4427         * tree-cfg.c (tree_can_merge_blocks_p, is_ctrl_altering_stmt,
4428         stmt_ends_bb_p, tree_can_remove_branch_p, tree_can_duplicate_bb_p,
4429         -tree_block_ends_with_call_p, tree_block_ends_with_condjump_p):
4430         Likewise.
4431         * tree-eh.c (lookup_stmt_eh_region_fn, lookup_stmt_eh_region,
4432         tree_can_throw_internal): Likewise.
4433         * tree-flow-inline.h (phi_nodes): Likewise.
4434         * tree-flow.h (phi_nodesstmt_ends_bb_p, is_ctrl_altering_stmt,
4435         tree_can_throw_internal, lookup_stmt_eh_region): Likewise.
4436         * tree-gimple.c (const_get_call_expr_in): Likewise.
4437         * tree-gimple.h (const_get_call_expr_in): Likewise.
4438         * tree.c (const_lookup_attribute, attribute_list_equal,
4439         attribute_list_contained): Likewise.
4440         * tree.h (attribute_list_equal, attribute_list_contained,
4441         const_lookup_attribute): Likewise.
4442         * vmsdbgout.c (vmsdbgout_ignore_block): Likewise.
4443
4444 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4445
4446         * tree-ssa-sccvn.c, tree-ssa-sccvn.h, tree-vn.c,
4447         tree-ssa-pre.c: Remove unnecessary trailing whitespace.
4448
4449 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4450
4451         PR target/32991
4452         * config/alpha/constraints.md: Delete "svn:mime-type" property
4453         with svn propdel "svn:mime-type".
4454
4455 2007-08-26  H.J. Lu  <hongjiu.lu@intel.com>
4456
4457         PR middle-end/33181
4458         * ifcvt.c (noce_get_alt_condition): Make sure that the previous
4459         non NOTE insn doesn't cross basic block.
4460         (noce_try_abs): Likewise.
4461         (noce_process_if_block): Likewise.
4462
4463 2007-08-26  David Edelsohn  <edelsohn@gnu.org>
4464
4465         PR target/33151
4466         * config/rs6000/predicates.md (offsettable_mem_operand): Memory
4467         operand without auto-inc-dec.
4468         * config/rs6000/rs6000.md (floatsidf2_internal): Use
4469         offsettable_mem_operand.
4470         (floatunssidf2_internal): Same.
4471         (fix_truncdfsi2_internal): Same.
4472         (floatsidf_ppc64): Same.
4473         (floatunssidf_ppc64): Same.
4474         (fix_trunctfsi2_internal): Same.
4475
4476 2007-08-26  Bernhard Fischer  <aldot@gcc.gnu.org>
4477
4478         PR bootstrap/30620
4479         * Makefile.in (libbackend.o): Add gcov-iov.h dependency and
4480         pass defines needed for version.c.
4481
4482 2007-08-25  Joseph Myers  <joseph@codesourcery.com>
4483
4484         * configure.ac (--debug-prefix-map check): Change assembler
4485         version presumed to have feature to 2.18.
4486         * configure: Regenerate.
4487
4488 2007-08-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4489
4490         * c-common.c (vector_types_convertible_p,
4491         decl_with_nonnull_addr_p, c_promoting_integer_type_p,
4492         self_promoting_args_p): Constify.
4493         * c-common.h (has_c_linkage, decl_with_nonnull_addr_p,
4494         c_promoting_integer_type_p, self_promoting_args_p,
4495         anon_aggr_type_p, vector_types_convertible_p): Likewise.
4496         * c-decl.c (anon_aggr_type_p): Likewise.
4497         * * c-dump.c (dump_stmt): Likewise.
4498         * c-objc-common.c (has_c_linkage): Likewise.
4499         * c-tree.h (same_translation_unit_p): Likewise.
4500         * c-typeck.c (null_pointer_constant_p,
4501         tagged_types_tu_compatible_p, function_types_compatible_p,
4502         type_lists_compatible_p, lvalue_or_else, lvalue_p,
4503         comptypes_internal, struct tagged_tu_seen_cache,
4504         same_translation_unit_p, alloc_tagged_tu_seen_cache,
4505         c_size_in_bytes): Likewise.
4506         * ggc-common.c (compare_ptr_data, hash_descriptor, eq_descriptor,
4507         hash_ptr, eq_ptr): Likewise.
4508         * langhooks-def.h (lhd_decl_ok_for_sibcall,
4509         LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE): Likewise.
4510         * langhooks.c (lhd_decl_ok_for_sibcall): Likewise.
4511         * langhooks.h (ok_for_sibcall, omp_privatize_by_reference):
4512         Likewise.
4513         * optabs.c (optab_for_tree_code): Likewise.
4514         * optabs.h (optab_for_tree_code): Likewise.
4515         * rtl.h (simplify_rtx): Likewise.
4516         * simplify-rtx.c (simplify_rtx): Likewise.
4517         * tree-dump.c (queue, queue_and_dump_index, queue_and_dump_type,
4518         dump_flag, dump_node): Likewise.
4519         * tree-dump.h (struct dump_info, dump_stmt, queue_and_dump_index,
4520         queue_and_dump_type, dump_flag): Likewise.
4521         * tree-flow.h (vect_can_force_dr_alignment_p): Likewise.
4522         * tree-pass.h (dump_node): Likewise.
4523         * tree-vectorizer.c (vect_can_force_dr_alignment_p,
4524         supportable_narrowing_operation): Likewise.
4525         * tree-vectorizer.h (vect_can_force_dr_alignment_p,
4526         supportable_narrowing_operation): Likewise.
4527         * tree-vrp.c (needs_overflow_infinity, supports_overflow_infinity,
4528         is_negative_overflow_infinity, is_positive_overflow_infinity,
4529         is_overflow_infinity, vrp_val_is_max, vrp_val_is_min,
4530         nonnull_arg_p, get_value_range, vrp_operand_equal_p,
4531         update_value_range, add_equivalence, ssa_name_nonnegative_p,
4532         ssa_name_nonzero_p, fp_predicate): Likewise.
4533         * tree.c (auto_var_in_fn_p, empty_body_p): Likewise.
4534         * tree.h (empty_body_p, auto_var_in_fn_p, ssa_name_nonzero_p,
4535         ssa_name_nonnegative_p): Likewise.
4536
4537 2007-08-25  Hans Kester  <hans.kester@ellips.nl>
4538
4539         * config.gcc : Add x86_64-elf target.
4540
4541 2007-08-25  Jakub Jelinek  <jakub@redhat.com>
4542
4543         * expr.c (store_expr): Fix order of store_by_pieces arguments.
4544
4545 2007-08-24  Sandra Loosemore  <sandra@codesourcery.com>
4546             Nigel Stephens <nigel@mips.com>
4547
4548         PR target/11787
4549
4550         * doc/tm.texi (SET_RATIO, SET_BY_PIECES_P): Document new macros.
4551         (STORE_BY_PIECES_P): No longer applies to __builtin_memset.
4552         * expr.c (SET_BY_PIECES_P): Define.
4553         (can_store_by_pieces, store_by_pieces): Add MEMSETP argument; use
4554         it to decide whether to use SET_BY_PIECES_P or STORE_BY_PIECES_P.
4555         (store_expr): Pass MEMSETP argument to can_store_by_pieces and
4556         store_by_pieces.
4557         * expr.h (SET_RATIO): Define.
4558         (can_store_by_pieces, store_by_pieces): Update prototypes.
4559         * builtins.c (expand_builtin_memcpy): Pass MEMSETP argument to
4560         can_store_by_pieces/store_by_pieces.
4561         (expand_builtin_memcpy_args): Likewise.
4562         (expand_builtin_strncpy): Likewise.
4563         (expand_builtin_memset_args): Likewise.  Also remove special case
4564         for optimize_size so that can_store_by_pieces/SET_BY_PIECES_P can
4565         decide what to do instead.
4566         * value-prof.c (tree_stringops_transform): Pass MEMSETP argument
4567         to can_store_by_pieces.
4568
4569         * config/sh/sh.h (SET_BY_PIECES_P): Clone from STORE_BY_PIECES_P.
4570         * config/s390/s390.h (SET_BY_PIECES_P): Likewise.
4571
4572         * config/mips/mips.opt (mmemcpy): Change from Var to Mask.
4573         * config/mips/mips.c (override_options): Make -Os default to -mmemcpy.
4574         * config/mips/mips.h (MIPS_CALL_RATIO): Define.
4575         (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Define.
4576         (STORE_BY_PIECES_P): Define.
4577
4578 2007-08-24  Tom Tromey  <tromey@redhat.com>
4579
4580         * varpool.c (varpool_last_needed_node): Fix comment typo.
4581         * c-decl.c (duplicate_decls): Fix comment typo.
4582         (clone_underlying_type): Update comment.
4583
4584 2007-08-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4585
4586         * config/alpha/alpha.c (alpha_mangle_type, decl_has_samegp,
4587         alpha_in_small_data_p, alpha_split_complex_arg,
4588         alpha_stdarg_optimize_hook, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4589         Constify.
4590         * config/arm/arm-protos.h (arm_mangle_type): Likewise.
4591         * config/arm/arm.c (arm_comp_type_attributes, arm_mangle_type):
4592         Likewise.
4593         * config/bfin/bfin.c (funkind, bfin_comp_type_attributes,
4594         TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4595         * config/darwin-protos.h (darwin_binds_local_p): Likewise.
4596         * config/darwin.c (darwin_binds_local_p): Likewise.
4597         * config/frv/frv.c (frv_string_begins_with, frv_in_small_data_p):
4598         Likewise.
4599         * config/i386/i386-protos.h (i386_pe_binds_local_p,
4600         i386_pe_valid_dllimport_attribute_p): Likewise.
4601         * config/i386/i386.c (ix86_function_regparm,
4602         ix86_comp_type_attributes, ix86_ms_bitfield_layout_p,
4603         x86_can_output_mi_thunk, ix86_mangle_type,
4604         TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4605         * config/i386/winnt.c (i386_pe_valid_dllimport_attribute_p,
4606         i386_pe_binds_local_p): Likewise.
4607         * config/ia64/ia64.c
4608         (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4609         ia64_needs_block_p, ia64_in_small_data_p, ia64_mangle_type,
4610         ia64_invalid_conversion, ia64_invalid_unary_op,
4611         ia64_invalid_binary_op, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4612         Likewise.
4613         * config/m32c/m32c.c (m32c_comp_type_attributes): Likewise.
4614         * config/m32r/m32r.c (m32r_in_small_data_p): Likewise.
4615         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Likewise.
4616         * config/mips/mips.c (mips_use_blocks_for_constant_p,
4617         mips_in_small_data_p, mips_use_anchors_for_symbol_p,
4618         mips_comp_type_attributes, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4619         mips_near_type_p, mips_far_type_p, mips_global_symbol_p,
4620         mips_symbol_binds_local_p, mips_classify_symbol): Likewise.
4621         * config/pa/pa.c (pa_commutative_p): Likewise.
4622         * config/rs6000/rs6000-protos.h (rs6000_elf_in_small_data_p):
4623         Likewise.
4624         * config/rs6000/rs6000.c (rs6000_invalid_within_doloop,
4625         rs6000_ms_bitfield_layout_p, rs6000_mangle_type,
4626         rs6000_use_blocks_for_constant_p,
4627         rs6000_vector_alignment_reachable, rs6000_is_opaque_type,
4628         invalid_arg_for_unprototyped_fn, TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4629         TARGET_SPLIT_COMPLEX_ARG, rs6000_elf_in_small_data_p): Likewise.
4630         * config/s390/s390.c (s390_mangle_type,
4631         TARGET_ASM_CAN_OUTPUT_MI_THUNK, TARGET_INVALID_WITHIN_DOLOOP):
4632         Likewise.
4633         * config/score/score.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4634         th_in_small_data_p): Likewise.
4635         * config/sh/sh.c (sh_ms_bitfield_layout_p,
4636         sh_dwarf_calling_convention, TARGET_ASM_CAN_OUTPUT_MI_THUNK):
4637         Likewise.
4638         * config/sparc/sparc.c (sparc_can_output_mi_thunk,
4639         sparc_mangle_type): Likewise.
4640         * config/spu/spu.c (spu_vector_alignment_reachable): Likewise.
4641         * config/xtensa/xtensa.c (TARGET_SPLIT_COMPLEX_ARG): Likewise.
4642         * emit-rtl.c (const_fixed_htab_hash, const_fixed_htab_eq):
4643         Likewise.
4644         * hooks.c (hook_bool_mode_const_rtx_false,
4645         hook_bool_mode_const_rtx_true,
4646         hook_bool_const_tree_hwi_hwi_const_tree_false,
4647         hook_bool_const_tree_hwi_hwi_const_tree_true,
4648         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4649         hook_constcharptr_const_tree_null,
4650         hook_constcharptr_const_rtx_null,
4651         hook_constcharptr_const_tree_const_tree_null,
4652         hook_constcharptr_int_const_tree_null,
4653         hook_constcharptr_int_const_tree_const_tree_null): New.
4654         (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4655         hook_bool_tree_hwi_hwi_tree_false,
4656         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4657         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4658         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4659         hook_constcharptr_int_tree_null,
4660         hook_constcharptr_int_tree_tree_null): Delete.
4661         (default_can_output_mi_thunk_no_vcall): Constify.
4662         * hooks.h (hook_bool_mode_rtx_false, hook_bool_mode_rtx_true,
4663         hook_bool_tree_hwi_hwi_tree_false,
4664         hook_bool_tree_hwi_hwi_tree_true, hook_int_tree_0,
4665         hook_int_tree_tree_1, hook_constcharptr_tree_null,
4666         hook_constcharptr_rtx_null, hook_constcharptr_tree_tree_null,
4667         hook_constcharptr_int_tree_null,
4668         hook_constcharptr_int_tree_tree_null): Delete.
4669         (hook_bool_mode_const_rtx_false, hook_bool_mode_const_rtx_true,
4670         hook_bool_const_tree_hwi_hwi_const_tree_false,
4671         hook_bool_const_tree_hwi_hwi_const_tree_true,
4672         hook_int_const_tree_0, hook_int_const_tree_const_tree_1,
4673         hook_constcharptr_const_tree_null,
4674         hook_constcharptr_const_rtx_null,
4675         hook_constcharptr_const_tree_const_tree_null,
4676         hook_constcharptr_int_const_tree_null,
4677         hook_constcharptr_int_const_tree_const_tree_null): New.
4678         (default_can_output_mi_thunk_no_vcall): Constify.
4679         * integrate.c (function_attribute_inlinable_p): Likewise.
4680         * integrate.h (function_attribute_inlinable_p): Likewise.
4681         * jump.c (rtx_renumbered_equal_p): Likewise.
4682         * output.h (decl_readonly_section, categorize_decl_for_section,
4683         default_use_anchors_for_symbol_p, default_binds_local_p,
4684         default_binds_local_p_1): Likewise.
4685         * rtl.h (rtx_renumbered_equal_p, decl_default_tls_model):
4686         Likewise.
4687         * target-def.h (TARGET_ASM_CAN_OUTPUT_MI_THUNK,
4688         TARGET_VALID_DLLIMPORT_ATTRIBUTE_P, TARGET_VECTOR_OPAQUE_P,
4689         TARGET_COMMUTATIVE_P, TARGET_USE_BLOCKS_FOR_CONSTANT_P,
4690         TARGET_COMP_TYPE_ATTRIBUTES,
4691         TARGET_FUNCTION_ATTRIBUTE_INLINABLE_P,
4692         TARGET_MS_BITFIELD_LAYOUT_P, TARGET_MANGLE_TYPE,
4693         TARGET_IN_SMALL_DATA_P, TARGET_INVALID_CONVERSION,
4694         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
4695         TARGET_DWARF_CALLING_CONVENTION): Likewise.
4696         * target.h (can_output_mi_thunk, needs_block_p,
4697         first_cycle_multipass_dfa_lookahead_guard_spec,
4698         vector_alignment_reachable, comp_type_attributes,
4699         function_attribute_inlinable_p, ms_bitfield_layout_p, mangle_type,
4700         commutative_p, use_blocks_for_constant_p,
4701         use_anchors_for_symbol_p, in_small_data_p, binds_local_p,
4702         vector_opaque_p, dwarf_calling_convention, stdarg_optimize_hook,
4703         invalid_within_doloop, valid_dllimport_attribute_p,
4704         split_complex_arg, invalid_arg_for_unprototyped_fn,
4705         invalid_conversion, invalid_unary_op, invalid_binary_op):
4706         Likewise.
4707         * targhooks.c (default_invalid_within_doloop,
4708         hook_invalid_arg_for_unprototyped_fn,
4709         default_builtin_vector_alignment_reachable): Likewise.
4710         (hook_bool_rtx_commutative_p): Delete.
4711         (hook_bool_const_rtx_commutative_p): New.
4712         * targhooks.h (default_invalid_within_doloop,
4713         default_builtin_vector_alignment_reachable,
4714         hook_invalid_arg_for_unprototyped_fn): Constify.
4715         (hook_bool_rtx_commutative_p): Delete.
4716         (hook_bool_const_rtx_commutative_p): New.
4717         * varasm.c (bss_initializer_p, decl_default_tls_model,
4718         categorize_decl_for_section, decl_readonly_section,
4719         default_use_anchors_for_symbol_p, default_binds_local_p,
4720         default_binds_local_p_1): Constify.
4721
4722 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4723
4724         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4725         __NO_BUILTIN if -fno-builtin.
4726
4727 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4728
4729         * config/bfin/bfin.c (print_operand): Report error instead of
4730         ICE for wrong operand.
4731
4732 2007-08-24  Michael Matz  <matz@suse.de>
4733
4734         * Makefile.in (GTFILES_H): Use $(patsubst) instead of $(subst).
4735
4736 2007-08-24  Richard Guenther  <rguenther@suse.de>
4737
4738         PR middle-end/33166
4739         * tree-ssa.c (useless_type_conversion_p): Split into a
4740         recursive and a non-recursive part.
4741         (useless_type_conversion_p_1): New function.
4742         * tree-ssa-ccp.c (fold_stmt_r): Make sure that the result
4743         from maybe_fold_offset_to_reference is trivially convertible
4744         to the desired type before doing the simplification.
4745
4746 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4747
4748         * expr.c (store_expr): Optimize initialization of an array
4749         with STRING_CST.
4750         * expr.h (builtin_strncpy_read_str): New prototype.
4751         * builtins.c (builtin_strncpy_read_str): Remove prototype.
4752         No longer static.
4753
4754 2007-08-24  Uros Bizjak  <ubizjak@gmail.com>
4755
4756         PR middle-end/33157
4757         * ifcvt.c (noce_find_if_block): Do not clear if_info.cond_earliest
4758         field when initializing if_info structure.
4759
4760 2007-08-24  Richard Guenther  <rguenther@suse.de>
4761
4762         * Makefile.in (tree-inline.o): Add $(TARGET_H) and $(INTEGRATE_H)
4763         dependencies.
4764         * c-objc-common.c (c_cannot_inline_tree_fn): Remove.
4765         * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Likewise.
4766         * tree-inline.c (inlinable_function_p): Fold in common parts of
4767         the cannot_inline_tree_fn langhook.
4768         * langhooks-def.h (lhd_tree_inlining_cannot_inline_tree_fn): Remove.
4769         (LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN): Likewise.
4770         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
4771         cannot_inline_tree_fn langhook.
4772         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
4773         cannot_inline_tree_fn member.
4774
4775 2007-08-24  Richard Guenther  <rguenther@suse.de>
4776
4777         * expr.c (get_inner_reference): Do computation of bitoffset
4778         from offset in a way we can detect overflow reliably.
4779
4780 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4781
4782         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define for uClibc.
4783
4784 2007-08-24  Jie Zhang  <jie.zhang@analog.com>
4785
4786         * config/bfin/bfin.opt (mfast-fp): Add.
4787         * config/bfin/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Let
4788         libbffastfp override libgcc if -mfast-fp.
4789         * config/bfin/bfin.h (LINK_GCC_C_SEQUENCE_SPEC): Likewise.
4790         * doc/invoke.texi (Option Summary): Mention -mfast-fp.
4791         (Blackfin Options): Document -mfast-fp.
4792
4793 2007-08-24  Jakub Jelinek  <jakub@redhat.com>
4794
4795         PR tree-optimization/32573
4796         PR middle-end/32946
4797         * tree-data-ref.c (initialize_data_dependence_relation): Clear
4798         DDR_SUBSCRIPTS, DDR_DIR_VECTS and DDR_DIST_VECTS at the beginning.
4799         (finalize_ddr_dependent): Clear DDR_SUBSCRIPTS after freeing it.
4800         (build_classic_dist_vector): Return false rather than true if
4801         DDR_ARE_DEPENDENT is non-NULL at the beginning.  Return false
4802         if either subscript_dependence_tester_1 or build_classic_dist_vector_1
4803         returned false.  Don't call save_dist_v before calling
4804         build_classic_dist_vector_1.
4805         (free_dependence_relation): Don't guard freeing DDR_SUBSCRIPTS
4806         with NULL DDR_ARE_DEPENDENT.  Also free DDR_DIST_VECTS and/or
4807         DDR_DIR_VECTS vectors.
4808
4809 2007-08-23  Brian Sidebotham  <brian.sidebotham@gmail.com>
4810
4811         * configure.ac (leb128): Modify sed statement to work with any
4812         binutils version string.
4813         * configure: Regenerate
4814
4815 2007-08-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4816
4817         * config/arc/arc-protos.h arc_select_cc_mode, gen_compare_reg):
4818         Wrap in RTX_CODE macro guard.
4819         * config/arm/pe.c (arm_dllexport_p, arm_dllimport_p,
4820         arm_dllexport_name_p, arm_dllimport_name_p, arm_mark_dllexport,
4821         arm_mark_dllimport, arm_pe_encode_section_info,
4822         arm_pe_unique_section): Use ISO-C function declarations.
4823         * config/c4x/c4x-c.c (c4x_parse_pragma, c4x_pr_CODE_SECTION,
4824         c4x_pr_DATA_SECTION, c4x_pr_FUNC_IS_PURE,
4825         c4x_pr_FUNC_NEVER_RETURNS, c4x_pr_INTERRUPT, c4x_pr_ignored):
4826         Likewise.
4827         * config/iq2000/iq2000.h (ASM_OUTPUT_SKIP): Fix format warning.
4828         * config/m68hc11/m68hc11.h (ASM_OUTPUT_EXTERNAL): Undef before
4829         defining.
4830         * config/mips/mips.h (ASM_DECLARE_OBJECT_NAME): Fix format
4831         warnings.
4832         * config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Likewise.
4833         * config/pdp11/pdp11.c (pdp11_output_function_epilogue): Likewise.
4834         (register_move_cost): Use ISO-C function declarations.
4835         * config/pdp11/pdp11.h (PRINT_OPERAND): Fix format warnings.
4836         * config/score/score-protos.h (score_declare_object): Add
4837         ATTRIBUTE_PRINTF_4.
4838         * config/score/score.h (ASM_DECLARE_OBJECT_NAME): Fix format
4839         warnings.
4840         * final.c (profile_function): Avoid empty if-bodies.
4841
4842
4843         * calls.c (must_pass_in_stack_var_size,
4844         must_pass_in_stack_var_size_or_pad): Constify.
4845         * config/alpha/alpha-protos.h (function_value): Likewise.
4846         * config/alpha/alpha.c (alpha_return_in_memory,
4847         alpha_pass_by_reference, function_value,
4848         unicosmk_must_pass_in_stack, TARGET_PROMOTE_FUNCTION_ARGS,
4849         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4850         Likewise.
4851         * config/arc/arc.c (arc_return_in_memory, arc_pass_by_reference,
4852         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4853         TARGET_PROMOTE_PROTOTYPES): Likewise.
4854         * config/arm/arm-protos.h (arm_return_in_memory,
4855         arm_pad_arg_upward, arm_function_value): Likewise.
4856         * config/arm/arm.c (arm_pass_by_reference,
4857         arm_promote_prototypes, arm_return_in_msb, arm_must_pass_in_stack,
4858         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4859         arm_function_value, arm_return_in_memory, arm_pad_arg_upward):
4860         Likewise.
4861         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
4862         * config/avr/avr-protos.h (avr_function_value): Likewise.
4863         * config/avr/avr.c (avr_return_in_memory,
4864         gas_output_limited_string, gas_output_ascii, avr_function_value,
4865         avr_return_in_memory): Likewise.
4866         * config/bfin/bfin-protos.h (bfin_return_in_memory): Likewise.
4867         * config/bfin/bfin.c (bfin_pass_by_reference,
4868         bfin_return_in_memory, TARGET_PROMOTE_PROTOTYPES,
4869         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN):
4870         Likewise.
4871         * config/cris/cris.c (cris_pass_by_reference,
4872         TARGET_PROMOTE_FUNCTION_ARGS): Likewise.
4873         * config/crx/crx.c (crx_return_in_memory): Likewise.
4874         * config/darwin.c (function_base, machopic_function_base_name):
4875         Likewise.
4876         * config/fr30/fr30.c (fr30_must_pass_in_stack,
4877         TARGET_PROMOTE_PROTOTYPES): Likewise.
4878         * config/frv/frv.c (frv_must_pass_in_stack): Likewise.
4879         * config/h8300/h8300.c (h8300_return_in_memory): Likewise.
4880         * config/i386/i386-protos.h (ix86_return_in_memory,
4881         ix86_sol10_return_in_memory): Likewise.
4882         * config/i386/i386.c (ix86_function_value,
4883         ix86_function_sseregparm, ix86_must_pass_in_stack,
4884         type_natural_mode, classify_argument, examine_argument,
4885         construct_container, ix86_pass_by_reference, function_value_32,
4886         function_value_64, ix86_function_value_1, return_in_memory_32,
4887         return_in_memory_64, return_in_memory_ms_64,
4888         ix86_return_in_memory, ix86_sol10_return_in_memory,
4889         TARGET_PROMOTE_PROTOTYPES): Likewise.
4890         * config/ia64/ia64-protos.h (ia64_function_value,
4891         ia64_hpux_function_arg_padding): Likewise.
4892         * config/ia64/ia64.c (hfa_element_mode, ia64_return_in_memory,
4893         ia64_function_value, bundle_state_hash, bundle_state_eq_p,
4894         ia64_hpux_function_arg_padding): Likewise.
4895         * config/iq2000/iq2000-protos.h (function_arg,
4896         iq2000_function_value): Likewise.
4897         * config/iq2000/iq2000.c (iq2000_return_in_memory,
4898         iq2000_pass_by_reference, TARGET_PROMOTE_FUNCTION_ARGS,
4899         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4900         function_arg, iq2000_function_value): Likewise.
4901         * config/m32c/m32c-protos.h (m32c_function_value,
4902         m32c_promote_function_return): Likewise.
4903         * config/m32c/m32c.c (m32c_pass_by_reference,
4904         m32c_promote_prototypes, m32c_promote_function_return,
4905         m32c_function_value): Likewise.
4906         * config/m32r/m32r.c (m32r_return_in_memory,
4907         m32r_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4908         m32r_in_small_data_p): Likewise.
4909         * config/m68hc11/m68hc11-protos.h (m68hc11_function_arg_padding):
4910         Likewise.
4911         * config/m68hc11/m68hc11.c (m68hc11_return_in_memory,
4912         m68hc11_function_arg_padding): Likewise.
4913         * config/m68k/m68k-protos.h (m68k_function_value): Likewise.
4914         * config/m68k/m68k.c (TARGET_PROMOTE_PROTOTYPES,
4915         m68k_function_value): Likewise.
4916         * config/mcore/mcore-protos.h (mcore_num_arg_regs,
4917         mcore_function_value): Likewise.
4918         * config/mcore/mcore.c (handle_structs_in_regs,
4919         mcore_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4920         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4921         mcore_num_arg_regs, mcore_function_value): Likewise.
4922         * config/mips/mips-protos.h (mips_pad_arg_upward,
4923         mips_function_value): Likewise.
4924         * config/mips/mips.c (mips_fpr_return_fields, mips_return_in_msb,
4925         mips_return_in_memory, mips_pass_by_reference, mips_callee_copies,
4926         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4927         TARGET_PROMOTE_PROTOTYPES, mips_pad_arg_upward,
4928         mips_function_value): Likewise.
4929         * config/mmix/mmix-protos.h (mmix_function_outgoing_value):
4930         Likewise.
4931         * config/mmix/mmix.c (mmix_pass_by_reference,
4932         TARGET_PROMOTE_FUNCTION_ARGS, mmix_function_outgoing_value,
4933         mmix_encode_section_info): Likewise.
4934         * config/mn10300/mn10300-protos.h (mn10300_function_value):
4935         Likewise.
4936         * config/mn10300/mn10300.c (mn10300_return_in_memory,
4937         mn10300_pass_by_reference, TARGET_PROMOTE_PROTOTYPES,
4938         mn10300_function_value): Likewise.
4939         * config/mt/mt-protos.h (mt_function_value): Likewise.
4940         * config/mt/mt.c (mt_pass_by_reference, mt_function_value,
4941         mt_pass_in_stack, TARGET_PROMOTE_PROTOTYPES): Likewise.
4942         * config/pa/pa-protos.h (function_arg_padding, function_value,
4943         pa_return_in_memory): Likewise.
4944         * config/pa/pa.c (pa_pass_by_reference,
4945         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
4946         function_arg_padding, function_value, pa_return_in_memory):
4947         Likewise.
4948         * config/pdp11/pdp11.c (pdp11_return_in_memory): Likewise.
4949         * config/rs6000/rs6000-protos.h (rs6000_function_value,
4950         function_arg_padding): Likewise.
4951         * config/rs6000/rs6000.c (rs6000_return_in_memory,
4952         rs6000_darwin64_record_arg_recurse, rs6000_darwin64_record_arg,
4953         rs6000_pass_by_reference, rs6000_must_pass_in_stack,
4954         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4955         function_arg_padding, altivec_expand_dst_builtin,
4956         altivec_expand_builtin, rs6000_expand_builtin, spe_init_builtins,
4957         altivec_init_builtins, rs6000_common_init_builtins,
4958         rs6000_function_value): Likewise.
4959         * s390/s390-protos.h (s390_function_value): Likewise.
4960         * config/s390/s390.c (s390_function_arg_size,
4961         s390_pass_by_reference, s390_return_in_memory,
4962         s390_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4963         TARGET_PROMOTE_FUNCTION_RETURN): Likewise.
4964         * config/score/score-protos.h (score_function_value): Likewise.
4965         * config/score/score.c (score_arg_partial_bytes,
4966         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4967         TARGET_PROMOTE_PROTOTYPES, score_return_in_memory,
4968         score_pass_by_reference, score_add_offset, score_function_value):
4969         Likewise.
4970         * config/sh/sh-protos.h (sh_attr_renesas_p,
4971         sh_promote_prototypes): Likewise.
4972         * config/sh/sh.c (sh_return_in_memory, sh_pass_by_reference,
4973         sh_callee_copies, sh_promote_prototypes, shcompact_byref,
4974         sh_attr_renesas_p): Likewise.
4975         * config/sparc/sparc-protos.h (function_value,
4976         function_arg_padding): Likewise.
4977         * config/sparc/sparc.c (sparc_promote_prototypes,
4978         sparc_return_in_memory, sparc_pass_by_reference,
4979         TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN,
4980         function_arg_record_value_2, function_arg_record_value_1,
4981         function_arg_record_value, function_arg_record_value,
4982         function_arg_padding, function_value): Likewise.
4983         * config/spu/spu-protos.h (spu_function_value): Likewise.
4984         * config/spu/spu.c (spu_pass_by_reference, spu_return_in_memory,
4985         spu_function_value): Likewise.
4986         * config/stormy16/stormy16-protos.h (xstormy16_function_value):
4987         Likewise.
4988         * config/stormy16/stormy16.c (xstormy16_return_in_memory,
4989         xstormy16_function_value, TARGET_PROMOTE_FUNCTION_ARGS,
4990         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4991         Likewise.
4992         * config/v850/v850.c (v850_return_in_memory,
4993         v850_pass_by_reference, TARGET_PROMOTE_PROTOTYPES): Likewise.
4994         * config/vax/vax.c (TARGET_PROMOTE_PROTOTYPES): Likewise.
4995         * config/xtensa/xtensa.c (xtensa_return_in_msb,
4996         xtensa_return_in_memory, TARGET_PROMOTE_FUNCTION_ARGS,
4997         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES):
4998         Likewise.
4999         * explow.c (promote_mode, hard_function_value): Likewise.
5000         * expr.h (hard_function_value, promote_mode): Likewise.
5001         * function.c (aggregate_value_p): Likewise.
5002         * hooks.c (hook_bool_const_tree_true): New.
5003         * hooks.h (hook_bool_const_tree_true): New.
5004         * sdbout.c (SET_KNOWN_TYPE_TAG, plain_type_1): Constify.
5005         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
5006         TARGET_PROMOTE_FUNCTION_RETURN, TARGET_PROMOTE_PROTOTYPES,
5007         TARGET_RETURN_IN_MSB): Likewise.
5008         * target.h (promote_function_args, promote_function_return,
5009         promote_prototypes, return_in_memory, return_in_msb,
5010         pass_by_reference, must_pass_in_stack, callee_copies,
5011         function_value): Likewise.
5012         * targhooks.c (default_return_in_memory,
5013         hook_pass_by_reference_must_pass_in_stack,
5014         hook_callee_copies_named,
5015         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5016         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5017         default_function_value): Likewise.
5018         * targhooks.h (default_return_in_memory,
5019         hook_pass_by_reference_must_pass_in_stack,
5020         hook_callee_copies_named,
5021         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_false,
5022         hook_bool_CUMULATIVE_ARGS_mode_tree_bool_true,
5023         default_function_value): Likewise.
5024         * tree-ssa-structalias.c (const_equiv_class_label_t): New.
5025         (equiv_class_label_hash, equiv_class_label_eq): Constify.
5026         * tree-vectorizer.c (bb_in_loop_p): Likewise.
5027         * tree.c (needs_to_live_in_memory): Likewise.
5028         * tree.h (struct tree_type, needs_to_live_in_memory,
5029         aggregate_value_p, must_pass_in_stack_var_size,
5030         must_pass_in_stack_var_size_or_pad): Likewise.
5031         * vmsdbgout.c (write_debug_addr, write_debug_delta4,
5032         write_debug_string, ASM_OUTPUT_DEBUG_STRING, write_rtnbeg,
5033         lookup_filename): Likewise.
5034
5035 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5036
5037         PR target/17390
5038         * config/i386/i386.c (ix86_expand_fp_compare): Expand fp comparison to
5039         fake fcomi i387 instruction for !TARGET_CMOVE.
5040         (ix86_expand_branch): Expand natural sequence with one jump for
5041         all targets, not only TARGET_CMOVE.
5042         * config/i386/i386.md (*cmpfp_0_cc): New define_insn_and_split
5043         pattern to implement fake fcomi sequence.  Split instruction after
5044         reload to correct compare sequences.
5045         (*cmpfp_xf_cc): Ditto.
5046         (*cmpfp_<mode>_cc): Ditto.
5047         (*cmpfp_u_cc): Ditto.
5048         (*cmpfp_<mode>_cc): Ditto.
5049
5050 2007-08-23  Richard Guenther  <rguenther@suse.de>
5051
5052         * tree-pretty-print.c (dump_generic_node): Annotate
5053         GIMPLE_MODIFY_STMTs with volatile ops with "{v}".
5054
5055 2007-08-23  Richard Guenther  <rguenther@suse.de>
5056
5057         * builtins.c (expand_builtin_mathfn): Wrap argument in
5058         save_expr directly instead of re-building the call.
5059         (expand_builtin_mathfn_2): Likewise.
5060         (expand_builtin_mathfn_3): Likewise.
5061         (expand_builtin_interclass_mathfn): Likewise.
5062         (expand_builtin_int_roundingfn): Set arg.
5063         (expand_builtin_int_roundingfn_2): Likewise.
5064
5065 2007-08-23  Paolo Bonzini  <bonzini@gnu.org>
5066
5067         * config/i386/sse.md (*sse_and<mode>3, *sse_ior<mode>3,
5068         *sse_nand<mode>3, *sse_xor<mode>3): New.
5069
5070 2007-08-23  Uros Bizjak  <ubizjak@gmail.com>
5071
5072         * config/i386/i386.h (PRINT_OPERAND_PUNCT_VALID_P): Add ';' code.
5073         * config/i386/i386.c (print_operand): Handle ';' code.  Output
5074         semicolon for TARGET_MACHO.
5075         * config/i386/sync.md (*sync_compare_and_swap<mode>): Use '%;' to
5076         emit semicolon after 'lock' prefix.
5077         (sync_double_compare_and_swap<mode>): Ditto.
5078         (*sync_double_compare_and_swapdi_pic): Ditto.
5079         (*sync_compare_and_swap_cc<mode>): Ditto.
5080         (sync_double_compare_and_swap_cc<mode>): Ditto.
5081         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5082         (sync_old_add<mode>): Ditto.
5083         (sync_add<mode>): Ditto.
5084         (sync_sub<mode>): Ditto.
5085         (sync_ior<mode>): Ditto.
5086         (sync_and<mode>): Ditto.
5087         (sync_xor<mode>): Ditto.
5088
5089 2007-08-22  Chao-ying Fu  <fu@mips.com>
5090
5091         * rtl.c (rtx_code_size): Check CONST_FIXED to calcualte correct sizes
5092         in DEF_RTL_EXPR.
5093         (copy_rtx): Handle CONST_FIXED.
5094         (rtx_equal_p): Likewise.
5095         * rtl.h (fixed_value.h): New include.
5096         (rtx_def): Add a new field of fixed_value to u.
5097         (XCNMPFV): Define for accessing fixed_value.
5098         (CONST_FIXED_VALUE, CONST_FIXED_VALUE_HIGH, CONST_FIXED_VALUE_LOW):
5099         Define.
5100         * rtl.def (CONST_FIXED): New constant.
5101         (SS_MULT, US_MULT, SS_DIV, US_DIV, FRACT_CONVERT,
5102         UNSIGNED_FRACT_CONVERT, SAT_FRACT, UNSIGNED_SAT_FRACT, US_NEG,
5103         US_ASHIFT): New codes.
5104         * doc/rtl.texi (Expressions): Document const_fixed, us_neg, ss_mult,
5105         us_mult, ss_div, us_div, us_ashift, fract_convert, sat_fract,
5106         unsigned_fract_convert, unsigned_sat_fract): Document them.
5107         * varasm.c (assemble_integer): Extend to support fixed-point constants
5108         by using different machine classes.
5109         (decode_addr_const): Handle FIXED_CST.
5110         (const_hash_1): Likewise.
5111         (compare_constant): Likewise.
5112         (copy_constant): Likewise.
5113         (const_rtx_hash_1): Handle CONST_FIXED.
5114         (output_constant_pool_2): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
5115         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
5116         MODE_VECTOR_UACCUM.
5117         (initializer_constant_valid_p): Handle FIXED_CST.
5118         (output_constant): Support FIXED_POINT_TYPE.
5119         * gengenrtl.c (excluded_rtx): Check CONST_FIXED to exclude.
5120         * cse.c (hash_rtx): Support CONST_FIXED.
5121         (exp_equiv_p): Likewise.
5122         (cannon_reg): Likewise.
5123         (fold_rtx): Likewise.
5124         (equiv_constant): Likewise.
5125         (cse_process_notes_1): Likewise.
5126         (count_reg_usage): Likewise.
5127         * cselib.c (entry_and_rtx_equal_p): Check CONST_FIXED.
5128         (rtx_equal_for_cselib_p): Handle CONST_FIXED.
5129         (wrap_constant): Check CONST_FIXED.
5130         (cselib_hash_rtx): Support CONST_FIXED.
5131         (cselib_subst_to_values): Likewise.
5132         * df-scan.c (df_uses_record): Likewise.
5133         * gcse.c (want_to_gcse_p): Likewise.
5134         (oprs_unchanged_p): Likewise.
5135         (oprs_not_set_p): Likewise.
5136         (compute_transp): Likewise.
5137         (extract_mentioned_regs_helper): Likewise.
5138         * genemit.c (gen_exp): Likewise.
5139         * local-alloc.c (equiv_init_varies_p): Likewise.
5140         (contains_replace_regs): Likewise.
5141         (memref_referenced_p): Likewise.
5142         * loop-invariant.c (check_maybe_invariant): Likewise.
5143         (hash_invariant_expr_1): Likewise.
5144         (invariant_expr_equal_p): Likewise.
5145         * postreload-gcse.c (oprs_unchanged_p): Likewise.
5146         * regclass.c (reg_scan_mark_refs): Likewise.
5147         * regrename.c (scan_rtx): Likewise.
5148         * resource.c (mark_referenced_resources): Likewise.
5149         (mark_set_resources): Likewise.
5150         * rtlanal.c (rtx_unstable_p): Likewise.
5151         (rtx_varies_p): Likewise.
5152         (count_occurrences): Likewise.
5153         (reg_mentioned_p): Likewise.
5154         (modified_between_p): Likewise.
5155         (modified_in_p): Likewise.
5156         (volatile_insn_p): Likewise.
5157         (volatile_refs_p): Likewise.
5158         (side_effects_p): Likewise.
5159         (may_trap_p_1): Likewise.
5160         (inequality_comparisons_p): Likewise.
5161         (computed_jump_p_1): Likewise.
5162         (commutative_operand_precedence): Likewise.
5163         * sched-deps.c (sched_analyze_2): Likewise.
5164         * sched-vis.c (print_value): Likewise.
5165         * reload.c (operands_match_p): Likewise.
5166         (subst_reg_equivs): Likewise.
5167         * reload1.c (eliminate_regs_1): Likewise.
5168         (elimination_effects): Likewise.
5169         (scan_paradoxical_subregs): Likewise.
5170         * alias.c (rtx_equal_for_memref_p): Likewise.
5171         * Makefile.in (RTL_BASE_H): Add fixed-value.h.
5172         * emit-rtl.c (const_fixed_htab): New hash table.
5173         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed):
5174         Declare.
5175         (const_fixed_htab_hash, const_fixed_htab_eq, lookup_const_fixed,
5176         const_fixed_from_fixed_value): New functions.
5177         (verify_rtx_sharing): Handle CONST_FIXED.
5178         (copy_rtx_if_shared_1): Likewise.
5179         (reset_used_flags): Likewise.
5180         (set_used_flags): Likewise.
5181         (copy_insn_1): Likewise.
5182         (init_emit_once): Create const_fixed_htab.
5183         Store fixed-point scalar and vector zero and one to const_tiny_rtx.
5184
5185 2007-08-22  Zdenek Dvorak  <ook@ucw.cz>
5186
5187         PR tree-optimization/32949
5188         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Test nowrap_type_p
5189         before failing for ivs with non-constant step.
5190
5191 2007-08-22  Hans-Peter Nilsson  <hp@axis.com>
5192
5193         * doc/md.texi (Iterators): Renamed from Macros.  All contents
5194         changed to reflect rename of respectively define_code_macro and
5195         define_mode_macro to define_code_iterator and define_mode_iterator.
5196         (Mode Iterators, Code Iterators): Similar.
5197         * read-rtl.c (struct iterator_group, struct iterator_traverse_data)
5198         (uses_mode_iterator_p, apply_mode_iterator, uses_code_iterator_p)
5199         (apply_iterator_to_string, uses_iterator_p, apply_iterator_traverse)
5200         (initialize_iterators, find_iterator, check_code_iterator)
5201         (map_attr_string, apply_mode_maps, apply_iterator_to_rtx, add_mapping)
5202         (read_mapping, read_rtx_1): Similar.
5203         * config/alpha/sync.md, config/alpha/alpha.md, config/frv/frv.md,
5204         config/s390/s390.md, config/m32c/blkmov.md, config/m32c/m32c.md,
5205         config/spu/spu.md, config/sparc/sparc.md, config/sparc/sync.md,
5206         config/i386/i386.md, config/i386/mmx.md, config/i386/sse.md,
5207         config/i386/sync.md, config/crx/crx.md, config/xtensa/xtensa.md,
5208         config/cris/cris.c, config/cris/cris.md, config/ia64/sync.md,
5209         config/ia64/div.md, config/ia64/vect.md, config/ia64/ia64.md,
5210         config/m68k/m68k.md, config/rs6000/spe.md, config/rs6000/altivec.md,
5211         config/rs6000/sync.md, config/rs6000/rs6000.md,
5212         config/arm/vec-common.md, config/arm/neon.md, config/arm/iwmmxt.md,
5213         config/arm/arm.md, config/mips/mips-dsp.md, config/mips/mips.md,
5214         config/vax/vax.md, config/bfin/bfin.md: Similar.
5215
5216 2007-08-22  David Daney  <ddaney@avtrex.com>
5217
5218         * doc/install.texi (Testing): Mention testing on a simulator.
5219
5220 2007-08-22  Janis Johnson  <janis187@us.ibm.com>
5221
5222         * config/dfp-bit.c (DFP_TO_DFP): Check for overflow.
5223
5224         * doc/libgcc.texi (Decimal float library routines): Fix formatting
5225         and rearrange floating point conversion functions into different
5226         categories.
5227
5228 2007-08-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
5229
5230         * target.h (struct gcc_target.sched: dfa_pre_advance_cycle,
5231         dfa_post_advance_cycle): New scheduler hooks.
5232         * target-def.h (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5233         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): New macros to initialize
5234         new hooks.
5235         (TARGET_SCHED): Use them.
5236         * doc/tm.texi (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE,
5237         TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Document new hooks.
5238         * haifa-sched.c (advance_one_cycle): Invoke new hooks.
5239
5240         * genautomata.c (insn_has_dfa_reservation_p): New DFA interface
5241         function to facilitate debugging.
5242         (INSN_HAS_DFA_RESERVATION_P_FUNC_NAME): New macro.
5243         (output_insn_has_dfa_reservation_p): New static function to output
5244         insn_has_dfa_reservation_p ().
5245         (write_automata): Use it.
5246         * genattr.c (main): Output declaration for
5247         insn_has_dfa_reservation_p ().
5248
5249 2007-08-22  Christian Bruel  <christian.bruel@st.com>
5250             Richard Guenther <rguenther@suse.de>
5251
5252         * fold-const.c (fold_binary): Optimize A-A if -ffinite-math-only.
5253         * simplify_rtx (simplify_binary_operation_1): Likewise.
5254
5255 2007-08-22  Rask Ingemann Lambertsen  <rask@sygehus.dk>
5256
5257         PR rtl-optimization/32557
5258         * df-problems.c (df_note_bb_compute): Use mws->start_regno instead
5259         of REGNO (mws->mw_reg).
5260
5261 2007-08-22  Richard Guenther  <rguenther@suse.de>
5262
5263         PR middle-end/33007
5264         * builtins.c (expand_builtin_int_roundingfn): Replace call
5265         argument wrapped with SAVE_EXPR directly.
5266         (expand_builtin_int_roundingfn_2): Likewise.
5267
5268 2007-08-22  Richard Guenther  <rguenther@suse.de>
5269
5270         * tree-inline.c (inlinable_function_p): Restore disregarding
5271         inline limits for GNU extern inline functions.
5272
5273 2007-08-22  Richard Guenther  <rguenther@suse.de>
5274
5275         PR middle-end/32563
5276         * tree.c (host_integerp): Treat sizetype as signed as it is
5277         sign-extended.
5278
5279 2007-08-21  Ian Lance Taylor  <iant@google.com>
5280
5281         PR tree-optimization/33134
5282         * tree-vrp.c (adjust_range_with_scev): Call
5283         set_value_range_to_value.
5284
5285 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5286
5287         * value-prof.h (gimple_remove_histogram_value): Remove duplicate
5288         prototype.
5289
5290 2007-08-21  Aldy Hernandez  <aldyh@redhat.com>
5291
5292         * tree-flow-inline.h (next_imm_use_stmt): Remove unecessary
5293         whitespace.
5294
5295 2007-08-21  Nathan Froyd  <froydnj@codesourcery.com>
5296
5297         * config/rs6000/rs6000.c (expand_block_clear): Add TARGET_SPE
5298         cases to set eight bytes at a time.
5299         (expand_block_move): Likewise.
5300
5301 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5302
5303         PR debug/32610
5304         * dwarf2out.c (gen_decl_die): Don't call
5305         gen_tagged_type_instantiation_die if decl doesn't have tagged type.
5306
5307 2007-08-21  Paul Brook  <paul@codesourcery.com>
5308             Nathan Sidwell  <nathan@codesourcery.com>
5309             Mark Mitchell  <mark@codesourcery.com>
5310             Joseph Myers  <joseph@codesourcery.com>
5311
5312         * configure.ac: Add --with-pkgversion and --with-bugurl.
5313         * configure: Regenerate.
5314         * doc/install.texi: Document them.
5315         * version.c (version_string): Remove VERSUFFIX.
5316         (VERSUFFIX): Remove.
5317         (pkgversion_string): New.
5318         (bug_report_url): Do not hard-code initializer.
5319         * version.h (pkgversion_string): Declare.
5320         * Makefile.in (PKGVERSION_s, BUGURL_s, PKGVERSION, BUGURL_TEXI):
5321         Define.
5322         (version.o): Define PKGVERSION and BUGURL.
5323         (gcc-vers.texi): Define VERSION_PACKAGE and BUGURL.
5324         (%.pod): Define BUGURL.
5325         * gcc.c (process_command, main): Use pkgversion_string.
5326         * toplev.c (compile_file, print_version): Likewise.
5327         * protoize.c (main): Likewise.
5328         * gcov.c (print_version): Likewise.  Update copyright date.
5329         * gcov-dump.c (print_version): Likewise.  Update copyright date.
5330         * mips-tdump.c (main): Likewise.  Update copyright date.
5331         * mips-tfile.c (main): Likewise.  Update copyright date.
5332         * doc/include/gcc-common.texi: Include VERSION_PACKAGE as subtitle.
5333         * doc/bugreport.texi: Use BUGURL for bug-reporting instructions;
5334         shorten description.
5335         * doc/gcc.texi: Include VERSION_PACKAGE in version description.
5336         * doc/gccint.texi: Likewise.
5337         * doc/invoke.texi: Use BUGURL for bug-reporting instructions.
5338         Update copyright date.
5339
5340 2007-08-21  Uros Bizjak  <ubizjak@gmail.com>
5341
5342         * config/i386/i386.c (ix86_expand_clear): Use FLAGS_REG.
5343         (ix86_expand_strlensi_unroll_1): Ditto.
5344         (ix86_expand_branch): Use FLAGS_REG and FPSR_REG.
5345         (ix86_expand_carry_flag_compare): Update comment.
5346
5347 2007-08-21  Jakub Jelinek  <jakub@redhat.com>
5348
5349         PR middle-end/32912
5350         * fold-const.c (fold_unary): Optimize BIT_NOT_EXPR of VECTOR_CST.
5351         (fold_binary): Handle vectors in X | ~X and X ^ ~X optimizations.
5352
5353 2007-08-21  Richard Guenther  <rguenther@suse.de>
5354
5355         * fold-const.c (fold_binary): Revert removing of index +p PTR folding.
5356
5357 2007-08-21  Richard Guenther  <rguenther@suse.de>
5358
5359         PR middle-end/33122
5360         * fold-const.c (fold_binary): Remove index +p PTR folding.
5361         Fix types of POINTER_PLUS_EXPR generated by folding of
5362         (PTR +p B) +p A.
5363
5364 2007-08-20  Chao-ying Fu  <fu@mips.com>
5365
5366         * c-common.h (enum rid): Add new enumeration values of RID_SAT,
5367         RID_FRACT, and RID_ACCUM.  RID_SAT needs to be inserted before
5368         RID_ONEWAY, so that it can be checked in declspecs_add_type.
5369         (c_common_fixed_point_type_for_size): Declare.
5370         * c-parser.c (reswords): Add _Fract, _Accum, and _Sat.
5371         (c_token_starts_typename): Handle RID_FRACT, RID_ACCUM, and RID_SAT.
5372         (c_token_starts_declspecs): Likewise.
5373         (c_parser_declspecs): Likewise.
5374         (c_parser_attributes): Likewise.
5375         * c-tree.h (enum c_typespec_keyword): Add cts_fract and cts_accum.
5376         (c_declspecs): Add saturating_p.
5377         * c-decl.c (build_null_declspecs): Initialize saturating_p.
5378         (declspecs_add_type): Avoid using complex with _Fract, _Accum, or
5379         _Sat.  Handle RID_SAT.
5380         Avoid using void, bool, char, int, float, double, _Decimal32,
5381         _Decimal64, _Decimal128, and complex with _Sat.
5382         Handle RID_FRACT and RID_ACCUM.
5383         Make sure _Sat is used with _Fract or _Accum.
5384         (finish_declspecs): Handle cts_fract and cts_accum.
5385         * c-common.c (fixed-value.h): New include.
5386         (constant_expression_warning): Handle FIXED_CST.
5387         (overflow_warning): Likewise.
5388         (warnings_for_convert_and_check): Likewise.
5389         (c_common_fixed_point_type_for_size): New.
5390         (c_common_type_for_mode): Handle fixed-point modes to
5391         return various saturating/non-saturating, signed/unsigned types.
5392         (c_common_signed_or_unsigned_type): Support fixed-point types.
5393         (shorten_compare): Check fixed-point zero.
5394         Handle FIXED_POINT_TYPE.
5395         (c_common_truthvalue_conversion): Handle FIXED_CST.
5396         Handle FIXED_POINT_TYPE.
5397         (c_common_nodes_and_builtins): Record builtin types for fixed-point
5398         types.
5399         (handle_mode_attribute): Handle fixed-point modes.  Need to check
5400         if the signness of base type and fixed-point modes are consistent.
5401         (handle_vector_size_attribute): Handle fixed-point modes.
5402         (same_scalar_type_ignoring_signedness): Handle FIXED_POINT_TYPE.
5403         (warn_for_div_by_zero): Check fixed-point zero.
5404         * c-typeck.c (c_common_type): Check FIXED_POINT_TYPE.  Build
5405         a common fixed-point type based on fbit, ibit, sign, and saturation.
5406         (build_unary_op): Allow FIXED_POINT_TYPE for CONVERT_EXPR,
5407         NEGATE_EXPR, TRUTH_NOT_EXPR, PREINCREMENT_EXPR, POSTINCREMENT_EXPR,
5408         PREDECREMENT_EXPR, and POSTDECREMENT_EXPR.
5409         (convert_for_assignment): Support FIXED_POINT_TYPE.
5410         (digest_init): Handle FIXED_POINT_TYPE.
5411         (build_binary_op): Support FIXED_POINT_TYPE in *_DIV_EXPR,
5412         TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
5413         TRUTH_XOR_EXPR, RSHIFT_EXPR, LSHIFT_EXPR, EQ_EXPR, NE_EXPR, LE_EXPR,
5414         GE_EXPR, LT_EXPR, GT_EXPR.
5415         * target-def.h (TARGET_FIXED_POINT_SUPPORTED_P): New.
5416         (TARGET_INITIALIZER): Add TARGET_FIXED_POINT_SUPPORTED_P.
5417         * target.h (gcc_target): Add fixed_point_supported_p.
5418         * targhooks.c (default_scalar_mode_supported_p): Handle MODE_FRACT,
5419         MODE_UFRACT, MODE_ACCUM, and MODE_UACCUM.
5420         (default_fixed_point_supported_p): Define.
5421         * targhooks.h (default_fixed_point_supported_p): Declare.
5422         * doc/tm.texi (TARGET_FIXED_POINT_SUPPORTED_P): Add.
5423         * doc/install.texi (Configuration): Add --enable-fixed-point.
5424         * configure.ac (--enable-fixed-point): New to enable fixed-point
5425         arithmetic extension to C.  For mips targets, we enable it by default.
5426         * configure, config.in: Regenerate.
5427
5428 2007-08-20  Pawel Sikora  <pluto@pld-linux.org>
5429
5430         * doc/invoke.texi (-Wnon-virtual-dtor): Update documentation.
5431
5432 2007-08-20  David Edelsohn  <edelsohn@gnu.org>
5433
5434         * dwarf2out.c (text_section_used): Move declaration outside ifdef
5435         DWARF2_DEBUGGING_INFO.
5436         (cold_text_section_used): Same.
5437         (cold_text_section): Same.
5438
5439 2007-08-20  Richard Guenther  <rguenther@suse.de>
5440
5441         * c-typeck.c (convert_for_assignment): Use the type of
5442         the member for the initialization.
5443
5444 2007-08-20  Richard Guenther  <rguenther@suse.de>
5445
5446         * c-objc-common.c (c_disregard_inline_limits): Remove.
5447         * c-objc-common.h (c_disregard_inline_limits): Likewise.
5448         * cgraphunit.c (cgraph_process_new_functions): Call
5449         disregard_inline_limits_p.
5450         (cgraph_preserve_function_body_p): Likewise.
5451         * ipa-inline.c (compute_inline_parameters): Likewise.
5452         * langhooks-def.h (lhd_tree_inlining_disregard_inline_limits):
5453         Remove.
5454         (LANG_HOOKS_TREE_INLINING_DISREGARD_INLINE_LIMITS): Remove.
5455         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5456         disregard_inline_limits langhook.
5457         * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
5458         Remove.
5459         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5460         disregard_inline_limits langhook.
5461         * tree-inline.c (disregard_inline_limits_p): New function.
5462         * tree-inline.h (disregard_inline_limits_p): Declare.
5463
5464 2007-08-20  Richard Guenther  <rguenther@suse.de>
5465
5466         * langhooks-def.h (lhd_tree_inlining_auto_var_in_fn_p): Remove.
5467         (LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P): Likewise.
5468         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove initializer for
5469         auto_var_in_fn_p langhook.
5470         * langhooks.c (lhd_tree_inlining_auto_var_in_fn_p): Rename and
5471         move ...
5472         * tree.c (auto_var_in_fn_p): ... here.
5473         (find_var_from_fn): Call auto_var_in_fn_p directly.
5474         * langhooks.h (lang_hooks_for_tree_inlining): Remove
5475         auto_var_in_fn_p langhook.
5476         * tree-inline.c (remap_decls): Call auto_var_in_fn_p directly.
5477         (copy_body_r): Likewise.
5478         (self_inlining_addr_expr): Likewise.
5479         * tree.h (auto_var_in_fn_p): Declare.
5480
5481 2007-08-20  Richard Guenther  <rguenther@suse.de>
5482
5483         * tree.c (WALK_SUBTREE): Call walk_tree_1.
5484         (walk_type_fields): Take lh parameter.
5485         (walk_tree): Rename to ...
5486         (walk_tree_1): ... this.  Do not call the walk_subtrees
5487         langhook but the now passed callback.  Pass lh on recursion.
5488         (walk_tree_without_duplicates): Rename to ...
5489         (walk_tree_without_duplicates_1): ... this.  Take lh parameter
5490         and call walk_tree_1.
5491         * tree.h (walk_tree_lh): New typedef.
5492         (walk_tree_1): Declare.
5493         (walk_tree_without_duplicates_1): Likewise.
5494         (walk_tree): New define to walk_tree_1 with NULL lh parameter.
5495         (walk_tree_without_duplicates): New define to
5496         walk_tree_without_duplicates_1 with NULL lh parameter.
5497         * langhooks.c (lhd_tree_inlining_walk_subtrees): Remove.
5498         * langhooks.h (lang_hooks_for_tree_inlining): Remove walk_subtrees
5499         langhook.
5500         * langhooks-def.h (lhd_tree_inlining_walk_subtrees): Remove.
5501         (LANG_HOOKS_TREE_INLINING_WALK_SUBTREES): Likewise.
5502         (LANG_HOOKS_TREE_INLINING_INITIALIZER): Remove walk_subtrees
5503         initializer.
5504
5505 2007-08-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5506
5507         PR middle-end/30564
5508         * tree-inline.c (optimize_inline_calls): Move the cgraph checking
5509         code in front of the compacting of basic blocks.
5510         Move the folding of statements inbetween the cgraph checking
5511         and compacting of basic blocks.
5512
5513 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5514            Serge Belyshev  <belyshev@depni.sinp.msu.ru>
5515
5516         PR target/32522
5517         * config/alpha/alpha.c (va_list_skip_additions): Check for
5518         POINTER_PLUS_EXPR in addition to PLUS_EXPR.
5519         (alpha_stdarg_optimize_hook): Look for POINTER_PLUS_EXPR instead of
5520         PLUS_EXPR when checking ap.__base.
5521         (alpha_va_start): Create POINTER_PLUS_EXPR instead of PLUS_EXPR
5522         when doing addition on pointer types.  Use size_int instead of
5523         build_int_cst.
5524         (alpha_gimplify_va_arg_1): Likewise, but use sizetype instead of
5525         ptr_type in the second operand.
5526
5527 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5528
5529         PR target/33115
5530         * config/i386/darwin.h (CC1_SPEC): Add %(cc1_cpu) in front.
5531
5532 2007-08-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5533
5534         PR middle-end/32940
5535         * cfgexpand.c  (expand_one_register_var): Mark pointer
5536         DECL_ARTIFICIAL as REG_POINTER also.
5537         * stmt.c (expand_decl): Likewise.
5538
5539 2007-08-19  Daniel Berlin  <dberlin@dberlin.org>
5540
5541         Fix PR 32772
5542         Fix PR 32716
5543         Fix PR 32328
5544         Fix PR 32303
5545
5546         * tree-flow.h (struct stmt_ann_d): Remove makes_clobbering_call.
5547         * tree-ssa-alias.c (init_transitive_clobber_worklist): Add
5548         on_worklist argument and avoid adding things to worklist multiple
5549         times.
5550         (add_to_worklist): Ditto.
5551         (mark_aliases_call_clobbered): Mark entire structure clobbered if
5552         single SFT is clobbered.
5553         (set_initial_properties): Ditto.
5554         (compute_call_clobbered): Update for changes to function
5555         arguments.
5556         (create_overlap_variables_for): Always create SFT for offset 0.
5557         (create_structure_vars): Handle PHI's, since we are in SSA form at
5558         this point.
5559         * tree-ssa-loop-ivopts.c (get_ref_tag): Don't return subvars.
5560         * tree-ssa-operands.c (access_can_touch_variable): Don't handle
5561         TARGET_MEM_REF.
5562         (add_vars_for_offset): Figure out aliases from access + points-to.
5563         (add_virtual_operand): Use add_vars-for_offset.
5564         (get_tmr_operands): Update for NMT changes, rewrite to be correct.
5565         (add_call_clobber_ops): Remove makes_clobbering_call set.
5566         (get_expr_operands): Always pass through the INDIRECT_REF
5567         reference.
5568         * tree-ssa-structalias.c (struct constraint_graph): Remove
5569         variables member.
5570         Add pe, pe_rep, pointer_label, loc_label, pointed_by, points_to,
5571         address_taken, pt_used, number_incoming.
5572         (FIRST_ADDR_NODE): Removed.
5573         (merge_graph_nodes): Remove broken code for the moment.
5574         (init_graph): New function.
5575         (build_pred_graph): Remove code to init_graph.
5576         Add location equivalence support.
5577         (struct scc_info): Rename roots to deleted.
5578         (scc_visit): Ditto.
5579         (init_scc_info): Ditto
5580         (init_topo_info): Use graph->size.
5581         (compute_topo_order): Ditto.
5582         (do_da_constraint): Removed.
5583         (do_sd_constraint): Remove calls to find().
5584         set_union_with_increment should always get 0 as last arg here.
5585         (do_complex_constraint): Replace do_da_constraint with assert.
5586         Stop calling find.
5587         (struct equiv_class_label): New.
5588         (pointer_equiv_class_table): Ditto.
5589         (location_equiv_class_table): Ditto.
5590         (equiv_class_label_hash): Ditto.
5591         (equiv_class_label_eq): Ditto
5592         (equiv_class_lookup): Ditto.
5593         (equiv_class_ladd): Ditto.
5594         (pointer_equiv_class): Ditto.
5595         (location_equiv_class): Ditto.
5596         (condense_visit): Rename and rewrite from label_visit to do only
5597         SCC related stuff for HU.
5598         (label_visit): Do HU work for HU.
5599         (perform_var_substitution): Update to do HU and location
5600         equivalence.
5601         (free_var_substitution_info): Update to free HU and location
5602         equivalence structures.  */
5603         (find_equivalent_node): Update for pointer but not location
5604         equivalence.
5605         (unite_pointer_equivalences): New function.
5606         (move_complex_constraints): Rewrite to only do moving.
5607         (rewrite_constraints): Split out of move_complex_constraints.
5608         (solve_graph): Use graph->size.
5609         (process_constraint_1): Add from_call argument, use it.
5610         Split *a = &b into two constraints.
5611         (process_constraint): Use new process_constraint_1.
5612         (get_constraint_for_component_ref): Handle bitmaxsize == -1 case.
5613         (get_constraint_for): Handle non-pointer integers properly.
5614         Remove code that used to handle structures.
5615         (handle_ptr_arith): Fix a few bugs in pointer arithmetic handling
5616         with unknown addends.
5617         (handle_rhs_call): New function.
5618         (find_func_aliases): Use handle_rhs_call.
5619         (set_uids_in_ptset): Add an assert.
5620         (set_used_smts): Fix bug in not considering unified vars.
5621         (compute_tbaa_pruning): Stop initing useless iteration_obstack.
5622         (compute_points_to_sets): Update for other function changes.
5623         (delete_points_to_sets): Ditto.
5624         (ipa_pta_execute): Ditto.
5625         (pass_ipa_pta): We need to update SSA after ipa_pta.
5626
5627 2007-08-19  Jan Hubicka  <jh@suse.cz>
5628
5629         * i386.md: Replace "rim" and "mri" constraints by "g".
5630
5631 2007-08-19  Joseph Myers  <joseph@codesourcery.com>
5632
5633         * dwarf2out.c (text_section_used, cold_text_section_used,
5634         cold_text_section, dwarf2out_note_section_used): New.
5635         (dwarf2out_init): Initialize cold_text_section.
5636         (dwarf2out_switch_text_section, dwarf2out_begin_function): Call
5637         dwarf2out_note_section_used.
5638         (size_of_aranges): Only count entry for text section if it was
5639         used.  Count entry for cold text section if it was used.
5640         (output_aranges): Only output entries for text section and cold
5641         text section if they were used.
5642
5643 2007-08-19  Andrew Pinski  <pinskia@gmail.com>
5644
5645         * tree-pretty-print.c (debug_generic_expr): Add a comment about
5646         the function.
5647         (debug_generic_stmt): Likewise.
5648         (debug_tree_chain): Likewise.
5649
5650 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5651
5652         * tree-data-refs.c (split_constant_offset): Expose.
5653         * tree-data-refs.h (split_constant_offset): Add declaration.
5654
5655         * tree-vectorizer.h (dr_alignment_support): Renamed
5656         dr_unaligned_software_pipeline to dr_explicit_realign_optimized.
5657         Added a new value dr_explicit_realign.
5658         (_stmt_vec_info): Added new fields: dr_base_address, dr_init,
5659         dr_offset, dr_step, and dr_aligned_to, along with new access
5660         functions for these fields: STMT_VINFO_DR_BASE_ADDRESS,
5661         STMT_VINFO_DR_INIT, STMT_VINFO_DR_OFFSET, STMT_VINFO_DR_STEP, and
5662         STMT_VINFO_DR_ALIGNED_TO.
5663
5664         * tree-vectorizer.c (vect_supportable_dr_alignment): Add
5665         documentation.
5666         In case of outer-loop vectorization with non-fixed misalignment - use
5667         the dr_explicit_realign scheme instead of the optimized realignment
5668         scheme.
5669         (new_stmt_vec_info): Initialize new fields.
5670
5671         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Handle the
5672         'nested_in_vect_loop' case. Change verbosity level.
5673         (vect_analyze_data_ref_access): Handle the 'nested_in_vect_loop' case.
5674         Don't fail on zero step in the outer-loop for loads.
5675         (vect_analyze_data_refs): Call split_constant_offset to calculate
5676         base, offset and init relative to the outer-loop.
5677
5678         * tree-vect-transform.c (vect_create_data_ref_ptr): Replace the unused
5679         BSI function argument with a new function argument - at_loop.
5680         Simplify the condition that determines STEP. Takes additional argument
5681         INV_P. Support outer-loop vectorization (handle the
5682         nested_in_vect_loop case), including zero step in the outer-loop. Call
5683         vect_create_addr_base_for_vector_ref with additional argument.
5684         (vect_create_addr_base_for_vector_ref): Takes additional argument LOOP.
5685         Updated function documentation. Handle the 'nested_in_vect_loop' case.
5686         Fixed and simplified calculation of step.
5687         (vectorizable_store): Call vect_create_data_ref_ptr with loop instead
5688         of bsi, and with additional argument. Call bump_vector_ptr with
5689         additional argument. Fix typos. Handle the 'nested_in_vect_loop' case.
5690         (vect_setup_realignment): Takes additional arguments INIT_ADDR and
5691         DR_ALIGNMENT_SUPPORT. Returns another value AT_LOOP. Handle the case
5692         when the realignment setup needs to take place inside the loop.
5693         Support the dr_explicit_realign scheme. Allow generating the optimized
5694         realignment scheme for outer-loop vectorization. Added documentation.
5695         (vectorizable_load): Support the dr_explicit_realign scheme. Handle
5696         the 'nested_in_vect_loop' case, including loads that are invariant in
5697         the outer-loop and the realignment schemes. Handle the case when the
5698         realignment setup needs to take place inside the loop. Call
5699         vect_setup_realignment with additional arguments.  Call
5700         vect_create_data_ref_ptr with additional argument and with loop instead
5701         of bsi. Fix 80-column overflow. Fix typos. Rename PHI_STMT to PHI.
5702         (vect_gen_niters_for_prolog_loop): Call
5703         vect_create_addr_base_for_vector_ref with additional arguments.
5704         (vect_create_cond_for_align_checks): Likewise.
5705         (bump_vector_ptr): Updated to support the new dr_explicit_realign
5706         scheme: takes additional argument bump; argument ptr_incr is now
5707         optional; updated documentation.
5708         (vect_init_vector): Takes additional argument (bsi). Use it, if
5709         available, to insert the vector initialization.
5710         (get_initial_def_for_induction): Pass additional argument in call to
5711         vect_init_vector.
5712         (vect_get_vec_def_for_operand): Likewise.
5713         (vect_setup_realignment): Likewise.
5714         (vectorizable_load): Likewise.
5715
5716 2007-08-19  Dorit Nuzman  <dorit@il.ibm.com>
5717
5718         * tree-vectorizer.h (vect_is_simple_reduction): Takes a loop_vec_info
5719         as argument instead of struct loop.
5720         (nested_in_vect_loop_p): New function.
5721         (vect_relevant): Add enum values vect_used_in_outer_by_reduction and
5722         vect_used_in_outer.
5723         (is_loop_header_bb_p): New. Used to differentiate loop-header phis
5724         from other phis in the loop.
5725         (destroy_loop_vec_info): Add additional argument to declaration.
5726
5727         * tree-vectorizer.c (supportable_widening_operation): Also check if
5728         nested_in_vect_loop_p (don't allow changing the order in this case).
5729         (vect_is_simple_reduction): Takes a loop_vec_info as argument instead
5730         of struct loop. Call nested_in_vect_loop_p and don't require
5731         flag_unsafe_math_optimizations if it returns true.
5732         (new_stmt_vec_info): When setting def_type for phis differentiate
5733         loop-header phis from other phis.
5734         (bb_in_loop_p): New function.
5735         (new_loop_vec_info): Inner-loop phis already have a stmt_vinfo, so
5736         just update their loop_vinfo.  Order of BB traversal now matters -
5737         call dfs_enumerate_from with bb_in_loop_p.
5738         (destroy_loop_vec_info): Takes additional argument to control whether
5739         stmt_vinfo of the loop stmts should be destroyed as well.
5740         (vect_is_simple_reduction): Allow the "non-reduction" use of a
5741         reduction stmt to be defines by a non loop-header phi.
5742         (vectorize_loops): Call destroy_loop_vec_info with additional argument.
5743
5744         * tree-vect-transform.c (vectorizable_reduction): Call
5745         nested_in_vect_loop_p. Check for multitypes in the inner-loop.
5746         (vectorizable_call): Likewise.
5747         (vectorizable_conversion): Likewise.
5748         (vectorizable_operation): Likewise.
5749         (vectorizable_type_promotion): Likewise.
5750         (vectorizable_type_demotion): Likewise.
5751         (vectorizable_store): Likewise.
5752         (vectorizable_live_operation): Likewise.
5753         (vectorizable_reduction): Likewise. Also pass loop_info to
5754         vect_is_simple_reduction instead of loop.
5755         (vect_init_vector): Call nested_in_vect_loop_p.
5756         (get_initial_def_for_reduction): Likewise.
5757         (vect_create_epilog_for_reduction): Likewise.
5758         (vect_init_vector): Check which loop to work with, in case there's an
5759         inner-loop.
5760         (get_initial_def_for_inducion): Extend to handle outer-loop
5761         vectorization. Fix indentation.
5762         (vect_get_vec_def_for_operand): Support phis in the case vect_loop_def.
5763         In the case vect_induction_def get the vector def from the induction
5764         phi node, instead of calling get_initial_def_for_inducion.
5765         (get_initial_def_for_reduction): Extend to handle outer-loop
5766         vectorization.
5767         (vect_create_epilog_for_reduction): Extend to handle outer-loop
5768         vectorization.
5769         (vect_transform_loop): Change assert to just skip this case.  Add a
5770         dump printout.
5771         (vect_finish_stmt_generation): Add a couple asserts.
5772
5773         (vect_estimate_min_profitable_iters): Multiply
5774         cost of inner-loop stmts (in outer-loop vectorization) by estimated
5775         inner-loop bound.
5776         (vect_model_reduction_cost): Don't add reduction epilogue cost in case
5777         this is an inner-loop reduction in outer-loop vectorization.
5778
5779         * tree-vect-analyze.c (vect_analyze_scalar_cycles_1): New function.
5780         Same code as what used to be vect_analyze_scalar_cycles, only with
5781         additional argument loop, and loop_info passed to
5782         vect_is_simple_reduction instead of loop.
5783         (vect_analyze_scalar_cycles): Code factored out into
5784         vect_analyze_scalar_cycles_1. Call it for each relevant loop-nest.
5785         Updated documentation.
5786         (analyze_operations): Check for inner-loop loop-closed exit-phis during
5787         outer-loop vectorization that are live or not used in the outerloop,
5788         cause this requires special handling.
5789         (vect_enhance_data_refs_alignment): Don't consider versioning for
5790         nested-loops.
5791         (vect_analyze_data_refs): Check that there are no datarefs in the
5792         inner-loop.
5793         (vect_mark_stmts_to_be_vectorized): Also consider vect_used_in_outer
5794         and vect_used_in_outer_by_reduction cases.
5795         (process_use): Also consider the case of outer-loop stmt defining an
5796         inner-loop stmt and vice versa.
5797         (vect_analyze_loop_1): New function.
5798         (vect_analyze_loop_form): Extend, to allow a restricted form of nested
5799         loops.  Call vect_analyze_loop_1.
5800         (vect_analyze_loop): Skip (inner-)loops within outer-loops that have
5801         been vectorized.  Call destroy_loop_vec_info with additional argument.
5802
5803         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Don't allow
5804         in the inner-loop when doing outer-loop vectorization. Add
5805         documentation and printout.
5806         (vect_recog_dot_prod_pattern): Likewise. Also add check for
5807         GIMPLE_MODIFY_STMT (in case we encounter a phi in the loop).
5808
5809 2007-08-18  Andrew Pinski  <pinskia@gmail.com>
5810
5811         * tree-affine.h (print_aff): New prototype.
5812         (debug_aff): Likewise.
5813         * tree-affine.c (print_aff): New function.
5814         (debug_aff): Likewise.
5815
5816 2007-08-18  Paul Brook  <paul@codesourcery.com>
5817             Joseph Myers  <joseph@codesourcery.com>
5818
5819         * common.opt (-fdebug-prefix-map=): New option.
5820         * opts.c: Include debug.h.
5821         (common_handle_option): Handle -fdebug-prefix-map.
5822         * final.c: Include ggc.h.
5823         (struct debug_prefix_map, debug_prefix_maps, add_debug_prefix_map,
5824         remap_debug_filename): New.
5825         * Makefile.in (final.o, opts.o): Update dependencies.
5826         * debug.h (remap_debug_filename, add_debug_prefix_map): Declare.
5827         * configure.ac: Check for assembler --debug-prefix-map support.
5828         * configure, config.in: Regenerate.
5829         * gcc.c (ASM_MAP): Define conditional on HAVE_AS_DEBUG_PREFIX_MAP.
5830         (ASM_DEBUG_SPEC): Include ASM_MAP.
5831         * doc/install.texi (--with-debug-prefix-map): Document.
5832         * doc/invoke.texi (-fdebug-prefix-map): Document.
5833         * dbxout.c (dbxout_init, dbxout_start_source_file,
5834         dbxout_source_file): Call remap_debug_filename.
5835         * dwarf2out.c (add_comp_dir_attribute, maybe_emit_file,
5836         dwarf2out_start_source_file, dwarf2out_finish): Call
5837         remap_debug_filename.
5838         (file_table_relative_p): Do not check d->emitted_number.
5839         * toplev.c (output_file_directive): Call remap_debug_filename.
5840         * vmsdbgout.c (write_srccorr): Call remap_debug_filename.
5841         * xcoffout.c (xcoffout_source_file): Call remap_debug_filename.
5842
5843 2007-08-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5844
5845         * loop-invariant.c (find_invariants_to_move): Add missing macro
5846         argument.
5847
5848 2007-08-17  Tom Tromey  <tromey@redhat.com>
5849
5850         * tree.h (struct tree_label_decl): Removed old "java" fields.
5851
5852 2007-08-17  Richard Sandiford  <richard@codesourcery.com>
5853             Nigel Stephens  <nigel@mips.com>
5854
5855         * config/mips/sde.h (DRIVER_SELF_SPECS): Add commas.
5856         Treat -mno-data-in-code and -mcode-xonly as aliases for
5857         -mcode-readable=no and -mcode-readable=pcrel respectively.
5858         * config/mips/t-sde (TARGET_LIBGCC2_CFLAGS): Add -mcode-xonly.
5859         (MULTILIB_OPTIONS): Add -mcode-readable=no multilibs.
5860         (MULTILIB_DIRNAMES): Update accordingly.
5861
5862 2007-08-17  H.J. Lu  <hongjiu.lu@intel.com>
5863
5864         * Makefile.in (version.o): Depend on $(REVISION) only if
5865         REVISION_s is defined.
5866
5867 2007-08-17  Sa Liu  <saliu@de.ibm.com>
5868             Ulrich Weigand  <uweigand@de.ibm.com>
5869
5870         PR middle-end/32970
5871         * tree.c (reconstruct_complex_type): For a pointer to a vector,
5872         use build_qualified_type to retain qualifiers of the base type.
5873
5874 2007-08-17  Chen Liqin  <liqin@sunnorth.com.cn>
5875
5876         * config/score/score.md : Update pattern tablejump.
5877         * config/score/score.c : Update score_initialize_trampoline
5878         function.
5879         * config/score/score.h (TRAMPOLINE_TEMPLATE): Added macro.
5880         (TRAMPOLINE_INSNS, TRAMPOLINE_SIZE) Update macro.
5881         * doc/contrib.texi: Add my entry.
5882
5883 2007-08-16  H.J. Lu  <hongjiu.lu@intel.com>
5884
5885         * Makefile.in (REVISION): New.
5886         (REVISION_c): New.
5887         (REVISION_s): New.
5888         (version.o): Also depend on $(REVISION). Add
5889         -DREVISION=$(REVISION_s).
5890
5891         * version.c (version_string): Add REVISION.
5892
5893 2007-08-16  Seongbae Park <seongbae.park@gmail.com>
5894
5895         * tree-eh.c (lower_try_finally_onedest): Reset the locus
5896         of GOTO that's relocated to a different block.
5897
5898 2007-08-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5899
5900         * c-common.c (const_strip_array_types): New.
5901         * c-common.h (lang_missing_noreturn_ok_p): Delete.
5902         (const_strip_array_types): New.
5903         * c-objc-common.c (c_disregard_inline_limits,
5904         c_warn_unused_global_decl): Constify.
5905         * c-tree.h (c_disregard_inline_limits, c_warn_unused_global_decl,
5906         c_vla_type_p, c_incomplete_type_error): Likewise.
5907         * c-typeck.c (c_incomplete_type_error, c_vla_type_p): Likewise.
5908         * hooks.c (hook_bool_const_tree_false): New.
5909         * hooks.h (hook_bool_const_tree_false): Likewise.
5910         * langhooks-def.h (lhd_warn_unused_global_decl,
5911         lhd_incomplete_type_error, lhd_expr_size,
5912         lhd_tree_inlining_disregard_inline_limits,
5913         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5914         LANG_HOOKS_GENERIC_TYPE_P, LANG_HOOKS_TYPE_MAX_SIZE): Constify.
5915         * langhooks.c (lhd_warn_unused_global_decl,
5916         lhd_incomplete_type_error,
5917         lhd_tree_inlining_disregard_inline_limits,
5918         lhd_tree_inlining_auto_var_in_fn_p, lhd_tree_dump_type_quals,
5919         lhd_expr_size): Likewise.
5920         * langhooks.h (lang_hooks_for_tree_inlining,
5921         lang_hooks_for_tree_dump, lang_hooks_for_types,
5922         lang_hooks_for_decls, lang_hooks): Likewise.
5923         * pointer-set.c (pointer_set_t, pointer_set_create,
5924         pointer_set_contains, insert_aux, pointer_set_insert,
5925         pointer_set_traverse, pointer_map_t, pointer_map_create,
5926         pointer_map_contains, pointer_map_insert, pointer_map_traverse):
5927         Likewise.
5928         * pointer-set.h (pointer_set_contains, pointer_set_insert,
5929         pointer_set_traverse, pointer_map_contains, pointer_map_insert,
5930         pointer_map_traverse): Likewise.
5931         * predict.c (assert_is_empty): Likewise.
5932         * tree-affine.c (free_name_expansion): Likewise.
5933         * tree-cfg.c (edge_to_cases_cleanup): Likewise.
5934         * tree.c (size_in_bytes, max_int_size_in_bytes): Likewise.
5935         * tree.h (size_in_bytes, max_int_size_in_bytes): Likewise.
5936
5937 2007-08-16  Victor Kaplansky <victork@il.ibm.com>
5938
5939         * tree-vectorizer.c (new_loop_vec_info): Initialize new
5940         field.
5941         (destroy_loop_vec_info): Add call to VEC_free.
5942         * tree-vectorizer.h (may_alias_ddrs): Define.
5943         (LOOP_VINFO_MAY_ALIAS_DDRS): Define.
5944         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
5945         Change reporting to dump.
5946         (vect_is_duplicate_ddr): New.
5947         (vect_mark_for_runtime_alias_test): New.
5948         (vect_analyze_data_ref_dependences) Add call to
5949         vect_mark_for_runtime_alias_test.
5950         (vect_enhance_data_refs_alignment): Define local variable
5951         vect_versioning_for_alias_required, don't perform
5952         peeling for alignment if versioning for alias is
5953         required.
5954         (vect_enhance_data_refs_alignment): Use
5955         PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS instead of
5956         PARAM_VECT_MAX_VERSION_CHECKS.
5957         * tree-vect-transform.c
5958         (vect_create_cond_for_alias_checks): New.
5959         (vect_transform_loop): Add call to
5960         vect_create_cond_for_alias_checks.
5961         (vect_vfa_segment_size): New.
5962         * params.def (PARAM_VECT_MAX_VERSION_FOR_ALIGNMENT_CHECKS):
5963         Rename.
5964         (PARAM_VECT_MAX_VERSION_FOR_ALIAS_CHECKS): Define.
5965         * gcc/doc/invoke.texi
5966         (vect-max-version-for-alignment-checks): Document.
5967         (vect-max-version-for-alias-checks): Document.
5968         (vect-max-version-checks): Remove.
5969
5970 2007-08-16  Uros Bizjak  <ubizjak@gmail.com>
5971
5972         * config/i386/i386.md (*rep_movdi_rex64): Emit "rep" prefix on
5973         the same line as the instruction for all asm dialects.
5974         (*rep_movsi): Ditto.
5975         (*rep_movsi_rex64): Ditto.
5976         (*rep_movqi): Ditto.
5977         (*rep_movqi_rex64): Ditto.
5978         (*rep_stosdi_rex64): Ditto.
5979         (*rep_stossi): Ditto.
5980         (*rep_stossi_rex64): Ditto.
5981         (*rep_stosqi): Ditto.
5982         (*rep_stosqi_rex64): Ditto.
5983         (*cmpstrnqi_nz_1): Ditto.
5984         (*cmpstrnqi_nz_rex_1): Ditto.
5985         (*cmpstrnqi_1): Ditto.
5986         (*cmpstrnqi_rex_1): Ditto.
5987         (*strlenqi_1): Ditto.
5988         (*strlenqi_rex_1): Ditto.
5989         * config/i386/sync.md (*sync_compare_and_swap<mode>): Emit "lock"
5990         prefix on the same line as the instruction for all asm dialects.
5991         (sync_double_compare_and_swap<mode>): Ditto.
5992         (*sync_double_compare_and_swapdi_pic): Ditto.
5993         (*sync_compare_and_swap_cc<mode>): Ditto.
5994         (sync_double_compare_and_swap_cc<mode>): Ditto.
5995         (*sync_double_compare_and_swap_ccdi_pic): Ditto.
5996         (sync_old_add<mode>): Ditto.
5997         (sync_add<mode>): Ditto.
5998         (sync_sub<mode>): Ditto.
5999         (sync_ior<mode>): Ditto.
6000         (sync_and<mode>): Ditto.
6001         (sync_xor<mode>): Ditto.
6002
6003 2007-08-16  Richard Sandiford  <richard@codesourcery.com>
6004
6005         PR middle-end/32897
6006         * reload.c (find_reloads): Check that the memory returned by
6007         find_reloads_toplev was not the result of forcing a constant
6008         to memory.
6009         (find_reloads_toplev): Always use simplify_gen_subreg to get
6010         the subreg of a constant.  If the result is also a constant,
6011         but not a legitimate one, force it into the constant pool
6012         and reload its address.
6013
6014 2007-08-15  David Edelsohn  <edelsohn@gnu.org>
6015
6016         * config/rs6000/rs6000.c (rs6000_rtx_costs): Add CLZ, CTZ, and
6017         POPCOUNT.
6018
6019 2007-08-15  Daniel Jacobowitz  <dan@codesourcery.com>
6020
6021         * config/rs6000/rs6000.c (rs6000_file_start): Output a .gnu_attribute
6022         directive for the current vector ABI.
6023
6024 2007-08-15  Steve Ellcey  <sje@cup.hp.com>
6025
6026         PR target/32963
6027         * caller-save.c (reg_save_code): Set invalide status on restore code.
6028
6029 2007-08-15  Diego Novillo  <dnovillo@google.com>
6030
6031         * tree-ssa-alias.c (compute_memory_partitions): Use
6032         alias_bitmap_obstack to allocate bitmaps.
6033         (reset_alias_info): Factor out of init_alias_info.
6034         Mark all name tags not associated to an SSA name for renaming.
6035         (init_alias_info): Call it.
6036         (create_name_tags): Tidy.  Add comments.
6037         (dump_points_to_info_for): Do not call get_mem_sym_stats_for.
6038
6039 2007-08-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
6040
6041         * config/mips/mips.c (vr4130_swap_insns_p): Use new interface to
6042         scheduler dependencies.
6043
6044 2007-08-15  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6045
6046         * config/i386/i386.md (subsi3_carry_zext): Remove "m" constraint for
6047         "register_operand".
6048         (*iorsi_1_zext): Likewise.
6049         (*iorsi_1_zext_imm): Likewise.
6050         * config/i386/sse.md: (*sse4_1_extractps): Use "nonimmediate_operand"
6051         with "rm"/"xm" constraint.
6052         (sse2_vmsqrtv2df2): Likewise.
6053
6054 2007-08-15  Jakub Jelinek  <jakub@redhat.com>
6055
6056         PR middle-end/33074
6057         * emit-rtl.c (try_split): Use INSN_LIST instead of EXPR_LIST for
6058         REG_LIBCALL note.
6059
6060 2007-08-14  Daniel Berlin  <dberlin@dberlin.org>
6061
6062         * tree-pass.h (PROP_pta): Removed.
6063         (TODO_rebuild_alias): New.
6064         (pass_may_alias): Removed.
6065         * tree-ssa-ccp.c (execute_fold_all_builtins): Only rebuild
6066         aliasing if we changed something.
6067         * tree-ssa-alias.c (compute_may_aliases): Make non-static.  Update
6068         SSA internally.
6069         (pass_may_alias): Removed.
6070         (create_structure_vars): Return TODO_rebuild_alias.
6071         * tree-ssa-pre.c (do_pre): Return TODO_rebuild_alias.
6072         * tree-sra.c (tree_sra): Only rebuild aliasing if something
6073         changed.
6074         (tree_sra_early): We never affect aliasing right now.
6075         * tree-flow.h (compute_may_aliases): New prototype.
6076         * passes.c: Remove pass_may_alias from the passes.
6077         (execute_function_todo): Support TODO_rebuild_alias.
6078
6079 2007-08-14  Kai Tietz  <kai.tietz@onevision.com>
6080
6081         * i386.c: (legitimize_address): Move dllimported variable check
6082         infront of legitimizing pic address of CONST symbols.
6083
6084 2007-08-14  Steve Ellcey  <sje@cup.hp.com>
6085
6086         PR tree-optimization/32941
6087         * tree-eh.c (struct leh_tf_state): Add goto_queue_map field.
6088         (goto_queue_cmp): Remove.
6089         (find_goto_replacement): Change search method.
6090         (maybe_record_in_goto_queue): Add assert.
6091         (lower_try_finally): Remove qsort call, add pointer_map_destroy call.
6092         * Makefile.in (tree-eh.o): Add pointer-set.h dependency.
6093
6094 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6095
6096         * alias.c (component_uses_parent_alias_set): Constify.
6097         * alias.h (component_uses_parent_alias_set): Likewise.
6098         * cfgrtl.c (print_rtl_with_bb): Likewise.
6099         * double-int.c (tree_to_double_int, double_int_fits_to_tree_p,
6100         mpz_get_double_int): Likewise.
6101         * double-int.h (double_int_fits_to_tree_p, tree_to_double_int,
6102         mpz_get_double_int): Likewise.
6103         * expr.c (is_aligning_offset, undefined_operand_subword_p,
6104         mostly_zeros_p, all_zeros_p, safe_from_p, is_aligning_offset):
6105         Likewise.
6106         * expr.h (safe_from_p): Likewise.
6107         * gimple-low.c (try_catch_may_fallthru, block_may_fallthru):
6108         Likewise.
6109         * gimplify.c (should_carry_locus_p, zero_sized_field_decl,
6110         zero_sized_type, goa_lhs_expr_p): Likewise.
6111         * omp-low.c (is_variable_sized, use_pointer_for_field): Likewise.
6112         * rtl.h (print_rtl_with_bb): Likewise.
6113         * sched-vis.c (print_exp, print_value, print_pattern): Likewise.
6114         * tree-cfg.c (const_first_stmt, const_last_stmt): New.
6115         * tree-flow-inline.h (bb_stmt_list): Constify.
6116         (cbsi_start, cbsi_last, cbsi_end_p, cbsi_next, cbsi_prev,
6117         cbsi_stmt): New.
6118         * tree-flow.h (const_block_stmt_iterator, cbsi_start, cbsi_last,
6119         const_first_stmt, const_last_stmt): New.
6120         (block_may_fallthru, empty_block_p): Constify.
6121         * tree-iterator.c (EXPR_FIRST_BODY, EXPR_LAST_BODY,
6122         EXPR_ONLY_BODY): New.
6123         (expr_first, expr_last, expr_only): Use macro for body.
6124         (const_expr_first, const_expr_last, const_expr_only): New.
6125         * tree-iterator.h (const_tree_stmt_iterator, ctsi_start,
6126         ctsi_last, ctsi_end_p, ctsi_one_before_end_p, ctsi_next,
6127         ctsi_prev, ctsi_stmt): New.
6128         * tree-scalar-evolution.c (get_loop_exit_condition): Constify.
6129         * tree-scalar-evolution.h (get_loop_exit_condition): Likewise.
6130         * tree-ssa-loop-niter.c (loop_only_exit_p,
6131         derive_constant_upper_bound): Likewise.
6132         * tree-ssa-phiopt.c (empty_block_p): Likewise.
6133         * tree-ssa-threadupdate.c (redirection_block_p): Likewise.
6134         * tree-vectorizer.c (slpeel_can_duplicate_loop_p): Likewise.
6135         * tree-vectorizer.h (slpeel_can_duplicate_loop_p): Likewise.
6136         * tree-vrp.c (vrp_bitmap_equal_p): Likewise.
6137         * tree.c (get_type_static_bounds): Likewise.
6138         * tree.h (const_expr_first, const_expr_last, const_expr_only): New.
6139         (get_type_static_bounds): Constify.
6140
6141 2007-08-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
6142
6143         PR target/30315
6144         * config/i386/i386.h (CANONICALIZE_COMPARISON): New.
6145         * config/i386/i386.md (plusminus)(addsub)(SWI): New.
6146         (*<addsub><mode>3_cc_overflow): New.
6147         (*add<mode>3_cconly_overflow): New.
6148         (*sub<mode>3_cconly_overflow): New.
6149         (*<addsub>si3_zext_cc_overflow): New.
6150         * config/i386/predicates.md (fcmov_comparison_operator): Accept
6151         CCCmode for LTU, GTU, LEU and GEU.
6152         (ix86_comparison_operator): Likewise.
6153         (ix86_carry_flag_operator): Carry flag is set if LTU or GTU in CCCmode.
6154         * config/i386/i386.c (put_condition_code): Support CCCmode.
6155         (ix86_cc_mode): Use CCCmode when testing for overflow of PLUS
6156         or MINUS expressions.
6157
6158 2007-08-14  Andrew Pinski  <pinskia@gmail.com>
6159
6160         PR c/30428
6161         * c-typeck.c (build_binary_op): Disallow vector float types with
6162         BIT_IOR_EXPR, BIT_AND_EXPR, and BIT_XOR_EXPR.
6163
6164 2007-08-14  Maxim Kuvyrkov  <maxim@codesourcery.com>
6165
6166         * sched-int.h (struct _dep): Rename field 'kind' to 'type'.
6167         (DEP_KIND): Rename to DEP_TYPE.  Update all uses.
6168         (dep_def): New typedef.
6169         (init_dep_1, sd_debug_dep): Declare functions.
6170         (DEP_LINK_KIND): Rename to DEP_LINK_TYPE.
6171         (debug_dep_links): Remove.
6172         (struct _deps_list): New field 'n_links'.
6173         (DEPS_LIST_N_LINKS): New macro.
6174         (FOR_EACH_DEP_LINK): Remove.
6175         (create_deps_list, free_deps_list, delete_deps_list): Remove
6176         declaration.
6177         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
6178         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6179         (copy_deps_list_change_con, move_dep_link): Ditto.
6180         (struct haifa_insn_data): Split field 'back_deps' into 'hard_back_deps'
6181         and 'spec_back_deps'.  New field 'resolved_forw_deps'.  Remove field
6182         'dep_count'.
6183         (INSN_BACK_DEPS): Remove.
6184         (INSN_HARD_BACK_DEPS, INSN_SPEC_BACK_DEPS, INSN_RESOLVED_FORW_DEPS):
6185         New macros.
6186         (INSN_DEP_COUNT): Remove.
6187         (enum DEPS_ADJUST_RESULT): Add new constant DEP_NODEP.  Fix comments.
6188         (spec_info, haifa_recovery_block_was_added_during_scheduling_p):
6189         Declare global variables.
6190         (deps_pools_are_empty_p, sched_free_deps): Declare functions.
6191         (add_forw_dep, compute_forward_dependences): Remove declarations.
6192         (add_or_update_back_dep, add_or_update_back_forw_dep): Ditto.
6193         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6194         (debug_ds, sched_insn_is_legitimate_for_speculation_p): Declare
6195         functions.
6196         (SD_LIST_NONE, SD_LIST_HARD_BACK, SD_LIST_SPEC_BACK, SD_LIST_FORW):
6197         New constants.
6198         (SD_LIST_RES_BACK, SD_LIST_RES_FORW, SD_LIST_BACK): Ditto.
6199         (sd_list_types_def): New typedef.
6200         (sd_next_list): Declare function.
6201         (struct _sd_iterator): New type.
6202         (sd_iterator_def): New typedef.
6203         (sd_iterator_start, sd_iterator_cond, sd_iterator_next): New inline
6204         functions.
6205         (FOR_EACH_DEP): New cycle wrapper.
6206         (sd_lists_size, sd_lists_empty_p, sd_init_insn, sd_finish_insn):
6207         Declare functions.
6208         (sd_find_dep_between, sd_add_dep, sd_add_or_update_dep): Ditto.
6209         (sd_resolve_dep, sd_copy_back_deps, sd_delete_dep, sd_debug_lists):
6210         Ditto.
6211
6212         * sched-deps.c (init_dep_1): Make global.
6213         (DUMP_DEP_PRO, DUMP_DEP_CON, DUMP_DEP_STATUS, DUMP_DEP_ALL): New
6214         constants.
6215         (dump_dep): New static function.
6216         (dump_dep_flags): New static variable.
6217         (sd_debug_dep): New function.
6218         (add_to_deps_list, remove_from_deps_list): Update 'n_links' field of
6219         the list.
6220         (move_dep_link): Use remove_from_deps_list (), instead of
6221         detach_dep_link ().
6222         (dep_links_consistent_p, dump_dep_links, debug_dep_links): Remove.
6223         (dep_link_is_detached_p): New static function.
6224         (deps_obstack, dl_obstack, dn_obstack): Remove.  Use dn_pool, dl_pool
6225         instead.
6226         (dn_pool, dl_pool): New alloc_pools.
6227         (dn_pool_diff, dl_pool_diff): New static variables.
6228         (create_dep_node, delete_dep_node): New static function.
6229         (create_deps_list): Make it static.  Use alloc_pool 'dl_pool'.
6230         (deps_list_empty_p): Make it static.  Use 'n_links' field.
6231         (deps_pools_are_empty_p): New static function.
6232         (alloc_deps_list, delete_deps_list): Remove.
6233         (dump_deps_list, debug_deps_list, add_back_dep_to_deps_list): Remove.
6234         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
6235         (copy_deps_list_change_con): Remove.  Use sd_copy_back_deps () instead.
6236         (forward_dependency_cache): Remove.
6237         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Remove
6238         'back' from the names.  Change signature to use dep_t instead of
6239         equivalent quad.
6240         (add_back_dep): Ditto.  Make global.
6241         (check_dep_status): Rename to check_dep ().
6242         (sd_next_list, sd_lists_size, sd_lists_empty_p, sd_init_insn):
6243         New functions.
6244         (sd_finish_insn): Ditto.
6245         (sd_find_dep_between_no_cache): New static function.
6246         (sd_find_dep_between): New function.
6247         (ask_dependency_caches, set_dependency_caches): New static functions.
6248         (update_dependency_caches, change_spec_dep_to_hard, update_dep): Ditto.
6249         (add_or_update_dep_1): Separate pieces of functionality into
6250         ask_dependency_caches (), update_dependency_caches (),
6251         change_spec_dep_to_hard (), update_dep ().
6252         (get_back_and_forw_lists): New static function.
6253         (sd_add_dep): Separate setting of dependency caches into
6254         set_dependency_caches ().
6255         (sd_add_or_update_dep, sd_resolve_dep, sd_copy_back_deps):
6256         New functions.
6257         (sd_delete_dep): Ditto.
6258         (DUMP_LISTS_SIZE, DUMP_LISTS_DEPS, DUMP_LISTS_ALL): New constants.
6259         (dump_lists): New static function.
6260         (sd_debug_lists): New debug function.
6261         (delete_all_dependences, fixup_sched_groups): Update to use
6262         sd_* infrastructure.
6263         (sched_analyze_2): Create data-speculative dependency only if
6264         data-speculation is enabled.
6265         (sched_analyze_insn): If insn cannot be speculative, make all its
6266         dependencies non-speculative.
6267         (sched_analyze): Use sd_init_insn ().
6268         (add_forw_dep, compute_forward_dependencies): Remove.
6269         (delete_dep_nodes_in_back_deps): New static function.
6270         (sched_free_deps): New function.
6271         (init_dependency_caches): Init alloc_pools.
6272         (extend_depedency_caches): Update after removing of
6273         forward_dependency_cache.
6274         (free_dependency_caches): Ditto.  Free alloc_pools.
6275         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Remove.
6276         (delete_forw_dep, add_or_update_back_dep, add_or_update_back_forw_dep):
6277         Ditto.
6278         (add_back_forw_dep, delete_back_forw_dep): Ditto.
6279         (add_dependence): Use init_dep ().
6280         (get_dep_weak_1): New static function.
6281         (get_dep_weak): Move logic to get_dep_weak_1 ().
6282         (dump_ds): New static function moved from haifa-sched.c:
6283         debug_spec_status ().
6284         (debug_ds): New debug function.
6285         (check_dep_status): Rename to check_dep ().  Update to check whole
6286         dependencies.
6287
6288         * haifa-sched.c (spec_info): Make global.
6289         (added_recovery_block_p): Rename to
6290         'haifa_recovery_block_was_added_during_current_schedule_block_p'.
6291         (haifa_recovery_block_was_added_during_scheduling_p): New variable.
6292         (dep_cost, priority, rank_for_schedule, schedule_insn): Update
6293         to use new interfaces.
6294         (ok_for_early_queue_removal): Ditto.
6295         (schedule_block): Initialize logical uids of insns emitted by the
6296         target.
6297         (sched_init): Initialize new variable.
6298         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
6299         interfaces.
6300         (extend_global): Initialize insn data.
6301         (init_h_i_d): Remove code that is now handled in sd_init_insn ().
6302         (process_insn_forw_deps_be_in_spec): Change signature.  Update to use
6303         new interfaces.
6304         (add_to_speculative_block): Update to use new interfaces.
6305         (create_recovery_block): Set new variables.
6306         (create_check_block_twin, fix_recovery_deps): Update to use new
6307         interfaces.
6308         (sched_insn_is_legitimate_for_speculation_p): New function.
6309         (speculate_insn): Move checking logic to
6310         sched_insn_is_legitimate_for_speculation_p ().
6311         (sched_remove_insn): Finalize sched-deps information of instruction.
6312         (clear_priorities, add_jump_dependencies): Update to use new
6313         interfaces.
6314         (debug_spec_status): Rename to dump_ds () and move to sched-deps.c.
6315
6316         * sched-rgn.c (set_spec_fed, find_conditional_protection): Update
6317         to use new interfaces.
6318         (is_conditionally_protected, is_pfree, is_prisky) Ditto.
6319         (new_ready): Try to use control speculation only if it is available.
6320         (add_branch_dependences): Update to use new interfaces.
6321         (compute_block_backward_dependences): Rename to
6322         compute_block_dependences ().  Call
6323         targetm.sched.dependencies_evaluation_hook ().
6324         (free_block_dependencies): New static function.
6325         (debug_dependencies): Update to use new interfaces.
6326         (schedule_region): Remove separate computation of forward dependencies.
6327         Move call of targetm.sched.dependencies_evaluation_hook () to
6328         compute_block_dependences ().  Free dependencies at the end of
6329         scheduling the region.
6330
6331         * sched-ebb.c (earliest_block_with_similiar_load): Update to use
6332         new interfaces.
6333         (add_deps_for_risky_insns): Ditto.
6334         (schedule_ebb): Remove separate computation of forward dependencies.
6335         Free dependencies at the end of scheduling the ebb.
6336
6337         * ddg.c (create_ddg_dependence): Update to use new interfaces.
6338         (build_intra_loop_deps): Ditto.  Remove separate computation of
6339         forward dependencies.  Free sched-deps dependencies.
6340
6341         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Update
6342         to use new interfaces.
6343         (ia64_dfa_new_cycle, ia64_gen_check): Ditto.
6344
6345         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Update to use
6346         new interfaces.
6347         (is_costly_group): Ditto.
6348
6349 2007-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6350
6351         * alias.c (rtx_equal_for_memref_p): Constify.
6352         * basic-block.h (const_edge, const_basic_block): New.
6353         (reg_set_to_hard_reg_set, dfs_enumerate_from, single_succ_p,
6354         single_pred_p, single_succ_edge, single_pred_edge, single_succ,
6355         single_pred, maybe_hot_bb_p, probably_cold_bb_p,
6356         probably_never_executed_bb_p, edge_probability_reliable_p,
6357         br_prob_note_reliable_p, forwarder_block_p, flow_nodes_print,
6358         inside_basic_block_p, control_flow_insn_p, dominated_by_p):
6359         Likewise.
6360         * bb-reorder.c (better_edge_p, push_to_next_round_p): Likewise.
6361         * bt-load.c (basic_block_freq, insn_sets_btr_p, can_move_up):
6362         Likewise.
6363         * cfganal.c (flow_active_insn_p, forwarder_block_p,
6364         flow_nodes_print, dfs_enumerate_from): Likewise.
6365         * cfgbuild.c (count_basic_blocks, inside_basic_block_p,
6366         control_flow_insn_p, count_basic_blocks): Likewise.
6367         * cfgloop.c (flow_bb_inside_loop_p, glb_enum_p,
6368         get_loop_body_with_size, loop_exit_edge_p): Likewise.
6369         * cfgloop.h (flow_bb_inside_loop_p, num_loop_insns,
6370         average_num_loop_insns, loop_exit_edge_p,
6371         just_once_each_iteration_p, can_duplicate_loop_p): Likewise.
6372         * cfgloopanal.c (just_once_each_iteration_p, num_loop_insns,
6373         average_num_loop_insns, seq_cost): Likewise.
6374         * cfgloopmanip.c (rpe_enum_p, can_duplicate_loop_p): Likewise.
6375         * dominance.c (dominated_by_p): Likewise.
6376         * emit-rtl.c (validate_subreg): Likewise.
6377         * except.c (can_throw_internal, can_throw_external): Likewise.
6378         * except.h (can_throw_internal, can_throw_external): Likewise.
6379         * gcse.c (gcse_constant_p, oprs_unchanged_p, oprs_anticipatable_p,
6380         oprs_available_p, hash_expr, expr_equiv_p, oprs_not_set_p,
6381         compute_transp, load_killed_in_block_p, reg_killed_on_edge,
6382         simple_mem, store_ops_ok, load_kills_store, find_loads,
6383         store_killed_in_insn, store_killed_after, store_killed_before,
6384         gcse_mem_operand, implicit_set_cond_p, store_killed_in_pat):
6385         Likewise.
6386         * ifcvt.c (count_bb_insns, cheap_bb_rtx_cost_p, noce_operand_ok,
6387         noce_mem_write_may_trap_or_fault_p): Likewise.
6388         * pointer-set.c (pointer_set_contains, pointer_map_contains):
6389         Likewise.
6390         * pointer-set.h (pointer_set_contains, pointer_map_contains):
6391         Likewise.
6392         * predict.c (can_predict_insn_p, maybe_hot_bb_p,
6393         probably_cold_bb_p, probably_never_executed_bb_p,
6394         edge_probability_reliable_p, br_prob_note_reliable_p,
6395         can_predict_insn_p): Likewise.
6396         * regclass.c (reg_set_to_hard_reg_set): Likewise.
6397         * resource.c (return_insn_p): Likewise.
6398         * rtl.h (reg_set_between_p, reg_set_p, validate_subreg):
6399         Likewise.
6400         * rtlanal.c (reg_set_between_p, reg_set_p): Likewise.
6401         * tracer.c (count_insns, ignore_bb_p, better_p): Likewise.
6402         * tree-cfg.c (verify_gimple_unary_expr, verify_gimple_binary_expr,
6403         verify_gimple_modify_stmt): Likewise.
6404         * tree-chrec.c (is_not_constant_evolution,
6405         is_multivariate_chrec_rec, is_multivariate_chrec,
6406         chrec_contains_symbols, chrec_contains_undetermined,
6407         tree_contains_chrecs, evolution_function_is_affine_multivariate_p,
6408         evolution_function_is_univariate_p, avoid_arithmetics_in_type_p,
6409         eq_evolutions_p, scev_direction): Likewise.
6410         * tree-chrec.h (automatically_generated_chrec_p, tree_is_chrec,
6411         eq_evolutions_p, is_multivariate_chrec, chrec_contains_symbols,
6412         chrec_contains_symbols_defined_in_loop,
6413         chrec_contains_undetermined, tree_contains_chrecs,
6414         evolution_function_is_affine_multivariate_p,
6415         evolution_function_is_univariate_p, chrec_zerop,
6416         evolution_function_is_constant_p, evolution_function_is_affine_p,
6417         evolution_function_is_affine_or_constant_p,
6418         tree_does_not_contain_chrecs, chrec_type): Likewise.
6419         * tree-data-ref.c (tree_fold_divides_p,
6420         object_address_invariant_in_loop_p, dr_may_alias_p,
6421         ziv_subscript_p, siv_subscript_p, gcd_of_steps_may_divide_p,
6422         same_access_functions, constant_access_functions,
6423         access_functions_are_affine_or_constant_p, find_vertex_for_stmt):
6424         Likewise.
6425         * tree-flow.h (scev_direction): Likewise.
6426         * tree-gimple.c (is_gimple_stmt): Likewise.
6427         * tree-outof-ssa.c (identical_copies_p, identical_stmt_lists_p):
6428         Likewise.
6429         * tree-pretty-print.c (op_prio): Likewise.
6430         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
6431         analyzable_condition, backedge_phi_arg_p): Likewise.
6432         * tree-scalar-evolution.h (get_chrec_loop): Likewise.
6433         * tree-ssa-operands.c (get_name_decl, operand_build_cmp): Likewise.
6434         * tree-ssa-threadupdate.c (dbds_continue_enumeration_p):
6435         Likewise.
6436
6437 2007-08-13  Dan Hipschman  <dsh@google.com>
6438
6439         PR c/32953
6440         * c-format.c (check_format_arg): Move check for zero-length
6441         format strings below the check for unterminated strings.
6442
6443 2007-08-13  Andrew Pinski  <pinskia@gmail.com>
6444
6445         PR C/30427
6446         * c-typeck.c (build_unary_op <case BIT_NOT_EXPR>): Reject vector float
6447         types.
6448
6449 2007-08-13  Nick Clifton  <nickc@redhat.com>
6450
6451         * config/arm/arm_neon.h: Revert GPLv3 patch to this file.
6452
6453 2007-08-12  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
6454
6455         PR fortran/32860
6456         * c-format.c (gcc_gfc_length_specs): New array.
6457         (gcc_gfc_char_table): Add unsigned specifier, and references to
6458         the l length modifier.
6459         (format_types_orig): Use the new gcc_gfc_length_specs.
6460
6461 2007-08-12  Sa Liu  <saliu@de.ibm.com>
6462
6463         * emit-rtl.c (try_split): Relink the insns with REG_LIBCALL note
6464         and with REG_RETVAL note after split.
6465
6466 2007-08-11  David Daney  <ddaney@avtrex.com>
6467
6468         * config/mips/mips.c (mips_sched_reorder): Mark cycle parameter
6469         as ATTRIBUTE_UNUSED.
6470
6471 2007-08-11  David Edelsohn  <edelsohn@gnu.org>
6472             Segher Boessenkool  <segher@kernel.crashing.org>
6473
6474         * config/rs6000/rs6000.h (CC1_CPU_SPEC): Define as empty string if
6475         HAVE_LOCAL_CPU_DETECT not defined.
6476
6477 2007-08-11  Jan Hubicka  <jh@suse.cz>
6478
6479         * cgraphunit.c (record_cdtor_fn): Declare all cdtors always inlined.
6480         (cgraph_process_new_functions): Honor previous value of
6481         disregard_inline_limits.
6482         * ipa-inline.c (compute_inline_parameters): Likewise.
6483
6484 2007-08-11  Ian Lance Taylor  <iant@google.com>
6485
6486         * alias.h (alias_set_type): Define new type.
6487         (ALIAS_SET_MEMORY_BARRIER): Use it.
6488         * rtl.h: Include alias.h.
6489         (struct mem_attrs): Use alias_set_type.
6490         * tree.h: Include alias.h
6491         (struct tree_type): Use alias_set_type.
6492         (struct tree_struct_field_tag): Likewise.
6493         (struct tree_decl_common): Likewise.
6494         * alias.c (struct alias_set_entry): Use alias_set_type.
6495         (get_alias_set_entry, alias_set_subset_of): Likewise.
6496         (alias_sets_conflict_p): Likewise.
6497         (alias_sets_must_conflict_p): Likewise.
6498         (objects_must_conflict_p): Likewise.
6499         (get_alias_set, new_alias_set): Likewise.
6500         (record_alias_subset, record_component_aliases): Likewise.
6501         (varargs_set, frame_set): Change to alias_set_type.
6502         (get_varargs_alias_set): Use alias_set_type.
6503         (get_frame_alias_set): Likewise.
6504         * builtins.c (setjmp_alias_set): Change to alias_set_type.
6505         * dse.c (struct store_info): Use alias_set_type.
6506         (struct read_info, struct clear_alias_mode_holder): Likewise.
6507         (clear_alias_set_lookup, canon_address): Likewise.
6508         (record_store, check_mem_read_rtx): Likewise.
6509         (dse_record_singleton_alias_set): Likewise.
6510         (dse_invalidate_singleton_alias_set): Likewise.
6511         * emit-rtl.c (get_mem_attrs): Likewise.
6512         (set_mem_attributes_minus_bitpos): Likewise.
6513         (set_mem_alias_set): Likewise.
6514         * expr.c (store_constructor_field, store_field): Likewise.
6515         * gimplify.c (struct gimplify_init_ctor_preeval_data): Likewise.
6516         * langhooks.c (lhd_get_alias_set): Likewise.
6517         * langhooks-def.h (lhd_get_alias_set): Likewise.
6518         * reload1.c (alter_reg): Likewise.
6519         * tree-flow.h (struct fieldoff): Likewise.
6520         * tree-ssa-alias.c (struct alias_map_d): Likewise.
6521         (may_alias_p, get_smt_for, create_sft): Likewise.
6522         * tree-ssa-alias-warnings.c (nonstandard_alias_types_p): Likewise.
6523         * tree-ssa-structalias.c (set_uids_in_ptset): Likewise.
6524         (merge_smts_into): Likewise.
6525         * varasm.c (const_alias_set): Likewise.
6526         * c-common.c (strict_aliasing_warning): Likewise.
6527         (c_common_get_alias_set): Likewise.
6528         * dse.h (dse_record_singleton_alias_set): Update declaration.
6529         (dse_invalidate_singleton_alias_set): Likewise.
6530         * emit-rtl.h (set_mem_alias_set): Likewise.
6531         * c-common.h (c_common_get_alias_set): Likewise.
6532         * print-rtl.c (print_rtx): Cast MEM_ALIAS_SET when printing it.
6533         * print-tree.c (print_node): Likewise.
6534         * config/alpha/alpha.c (alpha_sr_alias_set): Change to
6535         alias_set_type.
6536         (alpha_setup_incoming_varargs): Use alias_set_type.
6537         * config/i386/i386.c (setup_incoming_varargs_64): Use
6538         alias_set_type.
6539         (setup_incoming_varargs_ms_64): Likewise.
6540         (ix86_GOT_alias_set): Likewise.
6541         * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
6542         * config/rs6000/rs6000.c (setup_incoming_varargs): Likewise.
6543         (set): Change to alias_set_type.
6544         (get_TOC_alias_set): Use alias_set_type.
6545         * config/rs6000/rs6000-protos.h (get_TOC_alias_set): Update
6546         declaration.
6547         * config/sh/sh.c (sh_builtin_saveregs): Use alias_set_type.
6548         * config/sparc/sparc.c (sparc_sr_alias_set): Change to
6549         alias_set_type.
6550         (struct_value_alias_set): Likewise.
6551         * Makefile.in (GTFILES): Add $(srcdir)/alias.h.
6552
6553 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6554
6555         * config/vxworks-dummy.h (TARGET_VXWORKS): Define.
6556         * config/vxworks.h (TARGET_VXWORKS): Override.
6557         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Don't define
6558         "mips" if TARGET_VXWORKS.
6559
6560 2007-08-11  Richard Sandiford  <richard@codesourcery.com>
6561
6562         * calls.c (avoid_likely_spilled_reg): New function.
6563         (expand_call): Use it.
6564
6565 2007-08-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6566
6567         * c-typeck.c (build_c_cast): Add OPT_Wcast_qual to warnings.
6568
6569 2007-08-10  Adam Nemet  <anemet@caviumnetworks.com>
6570
6571         * config/mips/predicates.md (const_call_insn_operand): Invoke
6572         SYMBOL_REF_LONG_CALL_P only on SYMBOL_REFs.
6573
6574 2007-08-10  David Edelsohn  <edelsohn@gnu.org>
6575
6576         PR target/33042
6577         * config/rs6000/driver-rs6000.c: Include link.h.
6578         Use ElfW instead of wordsize-specif typedef.
6579
6580 2007-08-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6581
6582         * system.h (CONST_CAST): New.
6583         * c-decl.c (c_make_fname_decl): Use it.
6584         * c-lex.c (cb_ident, lex_string): Likewise.
6585         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
6586         * gcc.c (set_spec, read_specs, for_each_path, execute, do_spec_1,
6587         give_switch, set_multilib_dir): Likewise.
6588         * gengtype-parse.c (string_seq, typedef_name): Likewise.
6589         * passes.c (execute_one_pass): Likewise.
6590         * prefix.c (update_path): Likewise.
6591         * pretty-print.c (pp_base_destroy_prefix): Likewise.
6592         * tree.c (build_string): Likewise.
6593
6594 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6595
6596         * tree-flow-inline.h (is_exec_stmt): Remove.
6597         (is_label_stmt): Remove.
6598         * tree-flow.h: Remove prototypes for is_exec_stmt, get_filename, and
6599         is_label_stmt.
6600
6601 2007-08-10  Andreas Krebbel  <krebbel1@de.ibm.com>
6602
6603         * lower-subreg.c (resolve_shift_zext): Don't adjust
6604         src_reg_num for wordmode operands.
6605
6606 2007-08-10  Sandra Loosemore  <sandra@codesourcery.com>
6607             David Ung  <davidu@mips.com>
6608
6609         * config/mips/mips.c (TARGET_SCHED_INIT): Define.
6610         (TARGET_SCHED_REORDER2): Define.
6611         (mips_maybe_swap_ready): New.
6612         (mips_last_74k_agen_insn): New.
6613         (mips_74k_agen_init): New.
6614         (mips_74k_agen_reorder): New function to group loads and stores
6615         in the ready queue.
6616         (mips_sched_init): New.
6617         (mips_sched_reorder): Don't do initialization here.  Call
6618         mips_74k_agen_reorder.
6619         (mips_variable_issue): Call mips_74k_agen_init.
6620
6621 2007-08-10  Aldy Hernandez  <aldyh@redhat.com>
6622
6623         * tree-flow-inline.h (get_filename): Remove.
6624
6625 2007-08-10  Richard Sandiford  <richard@codesourcery.com>
6626
6627         * config/mips/mips-protos.h (mips_address_insns): Add a boolean
6628         argument.
6629         (mips_fetch_insns): Delete in favor of...
6630         (mips_load_store_insns): ...this new function.
6631         * config/mips/mips.c (mips_address_insns): Add a boolean argument
6632         to say whether multiword moves _might_ be split.
6633         (mips_fetch_insns): Delete in favor of...
6634         (mips_load_store_insns): ...this new function.
6635         (mips_rtx_costs): Update the call to mips_address_insns.
6636         (mips_address_cost): Likewise.
6637         * config/mips/mips.md (length): Use mips_load_store_insns instead
6638         of mips_fetch_insns.
6639         * config/mips/constraints.md (R): Use mips_address_insns rather
6640         than mips_fetch_insns.  Assume that the move never needs to be split.
6641
6642 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6643
6644         * config/mips/mips.opt (mhard-float, msoft-float): Make these
6645         control TARGET_HARD_FLOAT_ABI and TARGET_SOFT_FLOAT_ABI, rather
6646         than TARGET_HARD_FLOAT and TARGET_SOFT_FLOAT.
6647         * config/mips/mips.h (mips16_hard_float): Delete.
6648         (TARGET_HARD_FLOAT_ABI, TARGET_SOFT_FLOAT_ABI): Delete these
6649         definitions, and replace with....
6650         (TARGET_HARD_FLOAT, TARGET_SOFT_FLOAT): Define.
6651         * config/mips/mips.c (mips16_hard_float): Delete.  Replace
6652         all references with (TARGET_MIPS16 && TARGET_HARD_FLOAT_ABI).
6653         (MIPS_MARCH_CONTROLS_SOFT_FLOAT): Update comments.
6654         (override_options): Replace MASK_SOFT_FLOAT references with
6655         MASK_SOFT_FLOAT_ABI.  Delete twiddling with MASK_SOFT_FLOAT
6656         and mips16_hard_float when TARGET_MIPS16.
6657
6658 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6659
6660         PR c/32796
6661         * c-typeck.c (build_binary_op): Check for non pointer types before
6662         calling int_fits_type_p.
6663
6664 2007-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6665
6666         PR middle-end/32813
6667         * fold-const.c (omit_one_operand): Return only the ommitted expression
6668         if the result is an empty statement.
6669         (pedantic_omit_one_operand): Likewise.
6670
6671 2007-08-09  Daniel Berlin  <dberlin@dberlin.org>
6672
6673         * c-typeck.c (readonly_error): Improve error for assignment.
6674
6675         * c-pretty-print.c (pp_c_additive_expression): Handle pointer-plus
6676         expression.
6677         (pp_c_expression): Ditto.
6678
6679 2007-08-09  Simon Baldwin  <simonb@google.com>
6680
6681         * simplify-rtx.c (simplify_binary_operation_1): Removed erroneous
6682         break that was preventing simplify_associative_operation() for xor.
6683
6684 2007-08-09  Sandra Loosemore  <sandra@codesourcery.com>
6685             Nigel Stephens  <nigel@mips.com>
6686
6687         * doc/tm.texi (CLZ_DEFINED_VALUE_AT_ZERO, CTZ_DEFINED_VALUE_AT_ZERO):
6688         Document change in interpretation of value from boolean to
6689         tri-state integer.
6690         * optabs.c (expand_ffs, expand_ctz): New functions to compute
6691         ffs and ctz using clz.
6692         (expand_unop): Call them.
6693         * config/rs6000/rs6000.h (CLZ_DEFINED_VALUE_AT_ZERO): Fix its
6694         result value.
6695         (CTZ_DEFINED_VALUE_AT_ZERO): Likewise.
6696         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Likewise, to
6697         enable the new ffs expansion on this target.
6698
6699 2007-08-09  Jan Hubicka  <jh@suse.cz>
6700
6701         * optabs.c (expand_widen_pattern_expr): Use optabs accestors.
6702         (expand_ternary_op): Likewise.
6703         (expand_vec_shift_expr): Likewise.
6704         (expand_binop_directly): Likewise.
6705         (expand_binop): Likewise.
6706         (sign_expand_binop): Likewise.
6707         (expand_twoval_unop): Likewise.
6708         (expand_twoval_binop): Likewise.
6709         (expand_twoval_binop_libfunc): Likewise.
6710         (widen_clz): Likewise.
6711         (widen_bswap): Likewise.
6712         (expand_parity): Likewise.
6713         (expand_unop): Likewise.
6714         (expand_abs_nojump): Likewise.
6715         (expand_copysign): Likewise.
6716         (emit_no_conflict_block): Likewise.
6717         (emit_libcall_block): Likewise.
6718         (can_compare_p): Likewise.
6719         (prepare_cmp_insn): Likewise.
6720         (emit_cmp_and_jump_insn_1): Likewise.
6721         (prepare_float_lib_cmp): Likewise.
6722         (emit_conditional_add): Likewise.
6723         (gen_add2_insn): Likewise.
6724         (have_add2_insn): Likewise.
6725         (gen_sub2_insn): Likewise.
6726         (have_sub2_insn): Likewise.
6727         (can_extend_p): Likewise.
6728         (can_fix_p): Likewise.
6729         (can_float_p): Likewise.
6730         (expand_float): Likewise.
6731         (expand_fix): Likewise.
6732         (expand_sfix_optab): Likewise.
6733         (new_optab): Likewise.
6734         (new_convert_optab): Likewise.
6735         (init_libfuncs): Likewise.
6736         (init_interclass_conv_libfuncs): Likewise.
6737         (init_intraclass_conv_libfuncs): Likewise.
6738         (set_conv_libfunc): Likewise.
6739         (init_optabs): Likewise.
6740         (debug_optab_libfuncs): Likewise.
6741         (gen_cond_trap): Likewise.
6742         * optabs.h (optab_handler, convert_optab_hanlder): New.
6743         * genopinit.c: Update optabs generation table.
6744         * reload.c (find_reloads_address_1): Use optabs accestors.
6745         * builtins.c (expand_builtin_mathfn): Likewise.
6746         (expand_builtin_mathfn_2): Likewise.
6747         (expand_builtin_mathfn_3): Likewise.
6748         (expand_builtin_interclass_mathfn): Likewise.
6749         (expand_builtin_sincos): Likewise.
6750         (expand_builtin_cexpi): Likewise.
6751         (expand_builtin_powi): Likewise.
6752         (expand_builtin_strlen): Likewise.
6753         * dojump.c (do_jump): Likewise.
6754         * expr.c (convert_move): Likewise.
6755         (move_by_pieces): Likewise.
6756         (move_by_pieces_ninsns): Likewise.
6757         (can_store_by_pieces): Likewise.
6758         (store_by_pieces_1): Likewise.
6759         (emit_move_via_integer): Likewise.
6760         (emit_move_complex): Likewise.
6761         (emit_move_ccmode): Likewise.
6762         (emit_move_insn_1): Likewise.
6763         (emit_single_push_insn): Likewise.
6764         (store_constructor): Likewise.
6765         (expand_expr_real_1): Likewise.
6766         (do_store_flag): Likewise.
6767         * ada/misc.c (gnat_compute_largest_alignment): Likewise.
6768         (enumerate_modes): Likewise.
6769         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
6770         (supportable_widening_operation): Likewise.
6771         (supportable_narrowing_operation): Likewise.
6772         * expmed.c (store_bit_field_1): Likewise.
6773         (extract_bit_field_1): Likewise.
6774         (expand_mult_highpart_optab): Likewise.
6775         (expand_smod_pow2): Likewise.
6776         (expand_divmod): Likewise.
6777         (emit_store_flag): Likewise.
6778         * tree-vect-patterns.c
6779         (vect_pattern_recog_1): Likewise.
6780         * tree-ssa-loop-prefetch.c
6781         (nontemporal_store_p): Likewise.
6782         * tree-vect-transform.c (vect_model_reduction_cost): Likewise.
6783         (vect_create_epilog_for_reduction): Likewise.
6784         (vectorizable_reduction): Likewise.
6785         (vectorizable_operation): Likewise.
6786         (vect_strided_store_supported): Likewise.
6787         (vectorizable_store): Likewise.
6788         (vect_strided_load_supported): Likewise.
6789         (vectorizable_load): Likewise.
6790         * combine.c (simplify_comparison): Likewise.
6791         * tree-vect-generic.c
6792         (type_for_widest_vector_mode): Likewise.
6793         (expand_vector_operations_1): Likewise.
6794         * config/spu/spu.c (spu_expand_mov): Likewise.
6795         (spu_emit_vector_compare): Likewise.
6796         * config/rs6000/rs6000.c
6797         (rs6000_emit_vector_compare): Likewise.
6798         * stmt.c (add_case_node): Likewise.
6799         * reload1.c (gen_reload):
6800
6801 2007-08-09  Michael Matz  <matz@suse.de>
6802
6803         * tree.h (fixed_zerop): Declare as taking a const_tree.
6804         * tree.c (fixed_zerop): Take a const_tree.
6805
6806 2007-08-09  Ira Rosen  <irar@il.ibm.com>
6807
6808         * tree-vect-transform.c (vectorizable_store): Remove call to
6809         copy_virtual_operands() and call mark_symbols_for_renaming() for
6810         the created vector store.
6811         (vect_setup_realignment): Don't call copy_virtual_operands() and
6812         update_vuses_to_preheader().
6813         (vectorizable_load): Don't call copy_virtual_operands().
6814         (update_vuses_to_preheader): Remove.
6815
6816 2007-08-08  Chao-ying Fu  <fu@mips.com>
6817
6818         * tree.def (FIXED_POINT_TYPE): New type.
6819         (FIXED_CST): New constant.
6820         (FIXED_CONVERT_EXPR): New expr.
6821         * doc/c-tree.texi (Types): Document FIXED_POINT_TYPE.
6822         (Expressions): Document FIXED_CST and FIXED_CONVERT_EXPR.
6823         * tree.h (struct tree_base): Add saturating_flag.
6824         Remove one bit of spare for saturating_flag.
6825         (NUMERICAL_TYPE_CHECK): Support FIXED_POINT_TYPE.
6826         (NON_SAT_FIXED_POINT_TYPE_P, SAT_FIXED_POINT_TYPE_P,
6827         FIXED_POINT_TYPE_P): Define.
6828         (TYPE_SATURATING): Define.
6829         (TREE_FIXED_CST_PTR, TREE_FIXED_CST): Define.
6830         (struct tree_fixed_cst): New.
6831         (TYPE_IBIT, TYPE_FBIT): Define.
6832         (tree_node): Add fixed_cst.
6833         (enum tree_index): Add new enumeration values of
6834         TI_SAT_SFRACT_TYPE, TI_SAT_FRACT_TYPE, TI_SAT_LFRACT_TYPE,
6835         TI_SAT_LLFRACT_TYPE, TI_SAT_USFRACT_TYPE, TI_SAT_UFRACT_TYPE,
6836         TI_SAT_ULFRACT_TYPE, TI_SAT_ULLFRACT_TYPE, TI_SFRACT_TYPE,
6837         TI_FRACT_TYPE, TI_LFRACT_TYPE, TI_LLFRACT_TYPE, TI_USFRACT_TYPE,
6838         TI_UFRACT_TYPE, TI_ULFRACT_TYPE, TI_ULLFRACT_TYPE,
6839         TI_SAT_SACCUM_TYPE, TI_SAT_ACCUM_TYPE, TI_SAT_LACCUM_TYPE,
6840         TI_SAT_LLACCUM_TYPE, TI_SAT_USACCUM_TYPE, TI_SAT_UACCUM_TYPE,
6841         TI_SAT_ULACCUM_TYPE, TI_SAT_ULLACCUM_TYPE, TI_SACCUM_TYPE,
6842         TI_ACCUM_TYPE, TI_LACCUM_TYPE, TI_LLACCUM_TYPE, TI_USACCUM_TYPE,
6843         TI_UACCUM_TYPE, TI_ULACCUM_TYPE, TI_ULLACCUM_TYPE,
6844         TI_QQ_TYPE, TI_HQ_TYPE,_TYPE, TI_SQ_TYPE, TI_DQ_TYPE, TI_TQ_TYPE,
6845         TI_UQQ_TYPE, TI_UHQ_TYPE, TI_USQ_TYPE, TI_UDQ_TYPE, TI_UTQ_TYPE,
6846         TI_SAT_QQ_TYPE, TI_SAT_HQ_TYPE, TI_SAT_SQ_TYPE, TI_SAT_DQ_TYPE,
6847         TI_SAT_TQ_TYPE, TI_SAT_UQQ_TYPE, TI_SAT_UHQ_TYPE, TI_SAT_USQ_TYPE,
6848         TI_SAT_UDQ_TYPE, TI_SAT_UTQ_TYPE, TI_HA_TYPE, TI_SA_TYPE, TI_DA_TYPE,
6849         TI_TA_TYPE, TI_UHA_TYPE, TI_USA_TYPE, TI_UDA_TYPE, TI_UTA_TYPE,
6850         TI_SAT_HA_TYPE, TI_SAT_SA_TYPE, TI_SAT_DA_TYPE, TI_SAT_TA_TYPE,
6851         TI_SAT_UHA_TYPE, TI_SAT_USA_TYPE, TI_SAT_UDA_TYPE, TI_SAT_UTA_TYPE.
6852         (sat_short_fract_type_node, sat_fract_type_node,
6853         sat_long_fract_type_node, sat_long_long_fract_type_node,
6854         sat_unsigned_short_fract_type_node, sat_unsigned_fract_type_node,
6855         sat_unsigned_long_fract_type_node,
6856         sat_unsigned_long_long_fract_type_node, short_fract_type_node,
6857         fract_type_node, long_fract_type_node, long_long_fract_type_node,
6858         unsigned_short_fract_type_node, unsigned_fract_type_node,
6859         unsigned_long_fract_type_node, unsigned_long_long_fract_type_node,
6860         sat_short_accum_type_node, sat_accum_type_node,
6861         sat_long_accum_type_node, sat_long_long_accum_type_node,
6862         sat_unsigned_short_accum_type_node, sat_unsigned_accum_type_node,
6863         sat_unsigned_long_accum_type_node,
6864         sat_unsigned_long_long_accum_type_node, short_accum_type_node,
6865         accum_type_node, long_accum_type_node, long_long_accum_type_node,
6866         unsigned_short_accum_type_node, unsigned_accum_type_node,
6867         unsigned_long_accum_type_node, unsigned_long_long_accum_type_node,
6868         qq_type_node, hq_type_node, sq_type_node, dq_type_node, tq_type_node,
6869         uqq_type_node, uhq_type_node, usq_type_node, udq_type_node,
6870         utq_type_node, sat_qq_type_node, sat_hq_type_node, sat_sq_type_node,
6871         sat_dq_type_node, sat_tq_type_node, sat_uqq_type_node,
6872         sat_uhq_type_node, sat_usq_type_node, sat_udq_type_node,
6873         sat_utq_type_node, ha_type_node, sa_type_node, da_type_node,
6874         ta_type_node, uha_type_node, usa_type_node, uda_type_node,
6875         uta_type_node, sat_ha_type_node, sat_sa_type_node, sat_da_type_node,
6876         sat_ta_type_node, sat_uha_type_node, sat_usa_type_node,
6877         sat_uda_type_node, sat_uta_type_node): New macro.
6878         (make_fract_type, make_accum_type): Declare.
6879         (make_signed_fract_type, make_unsigned_fract_type,
6880         make_sat_signed_fract_type, make_sat_unsigned_fract_type,
6881         make_signed_accum_type, make_unsigned_accum_type,
6882         make_sat_signed_accum_type, make_sat_unsigned_accum_type,
6883         make_or_reuse_signed_fract_type, make_or_reuse_unsigned_fract_type,
6884         make_or_reuse_sat_signed_fract_type,
6885         make_or_reuse_sat_unsigned_fract_type, make_or_reuse_signed_accum_type,
6886         make_or_reuse_unsigned_accum_type, make_or_reuse_sat_signed_accum_type,
6887         make_or_reuse_sat_unsigned_accum_type): New macro.
6888         (fixed_zerop): Declare.
6889         * defaults.h (SHORT_FRACT_TYPE_SIZE, FRACT_TYPE_SIZE,
6890         LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
6891         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
6892         LONG_LONG_ACCUM_TYPE_SIZE): Define.
6893         * treestruct.def: Add TS_FIXED_CST.
6894         * Makefile.in (c-pretty-print.o): Add dependence on fixed-value.h.
6895         (tree.o): Likewise.
6896         (tree-dump.o): Likewise.
6897         (print-tree.o): Likewise.
6898         (tree-pretty-print.o): Likewise.
6899         (fold-const.o): Likewise.
6900         * tree-complex.c (some_nonzerop): Handle FIXED_CST.
6901         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle FIXED_CST.
6902         (is_gimple_min_invariant): Handle FIXED_CST.
6903         * stor-layout.c (int_mode_for_mode): Handle MODE_FRACT, MODE_UFRACT,
6904         MODE_ACCUM, MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
6905         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6906         (layout_type): Handle FIXED_POINT_TYPE.
6907         (make_fract_type, make_accum_type): New functions.
6908         * tree-browser.c (browse_tree): Handle FIXED_POINT_TYPE.
6909         * tree-dump.c (fixed-value.h): New include.
6910         (dump_fixed): New function.
6911         (dequeue_and_dump): Handle FIXED_POINT_TYPE and FIXED_CST.
6912         * tree-inline.c (remap_type_1): Handle FIXED_POINT_TYPE.
6913         (estimate_num_insns_1): Handle FIXED_CST and FIXED_CONVERT_EXPR.
6914         * tree-pretty-print.c (fixed-value.h): New include.
6915         (dump_generic_node): Handle FIXED_POINT_TYPE, FIXED_CST, and
6916         FIXED_CONVERT_EXPR.
6917         * tree-scalar-evolution.c (get_scalar_evolution): Handle FIXED_CST.
6918         * tree-ssa-loop-im.c (for_each_index): Handle FIXED_CST.
6919         * tree-ssa-pre.c (poolify_tree): Handle FIXED_CST.
6920         * tree-ssa-reassoc.c (break_up_subtract_bb): We can do reassociation
6921         for non-saturating fixed-point types.
6922         (reassociate_bb): Likewise.
6923         * emit-rtl.c (fixed-value.h): New include.
6924         (fconst0, fconst1): New array.
6925         (init_emit_once): Initialize fconst0 and fconst1 for fixed-point modes.
6926         * tree-vect-generic.c expand_vector_operation): Support
6927         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, and
6928         MODE_VECTOR_UACCUM.
6929         (type_for_widest_vector_mode): Add one parameter for the
6930         saturating flag.
6931         Check scalar FRACT, UFRACT, ACCUM, and UACCUM mode to select their
6932         vector mode.
6933         Pass the satp parameter to type_for_mode for fixed-point types.
6934         (expand_vector_operations_1): Pass the saturating flag to
6935         type_for_widest_vector_mode.
6936         Support MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
6937         and MODE_VECTOR_UACCUM.
6938         * tree-vect-transform.c (vect_is_simple_cond): Support FIXED_CST.
6939         (vectorizable_condition): Likewise.
6940         * tree.c (fixed-value.h): New include.
6941         (tree_code_size): Support FIXED_CST.
6942         (build_fixed): New function.
6943         (build_one_cst): Support FIXED_POINT_TYPE for accum types.
6944         (fixed_zerop): New function.
6945         (tree_node_structure): Support FIXED_CST.
6946         (type_contains_placeholder_1): Support FIXED_POINT_TYPE.
6947         (build_type_attribute_qual_variant): Handle FIXED_POINT_TYPE.
6948         (type_hash_eq): Handle FIXED_POINT_TYPE.
6949         (simple_cst_equal): Support FIXED_CST.
6950         (iterative_hash_expr): Handle FIXED_CST.
6951         (get_unwidened): Make sure type is not FIXED_POINT_TYPE.
6952         (get_narrower): Likewise.
6953         (variably_modified_type_p): Handle FIXED_POINT_TYPE.
6954         (make_or_reuse_fract_type, make_or_reuse_accum_type): New functions.
6955         (build_common_tree_nodes_2): Use MAKE_FIXED_TYPE_NODE_FAMILY and
6956         MAKE_FIXED_MODE_NODE macros to initialize fixed-point type
6957         nodes.
6958         (build_vector_type_for_mode): Handle MODE_VECTOR_FRACT,
6959         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
6960         (initializer_zerop): Support FIXED_CST.
6961         (walk_tree): Handle FIXED_CST and FIXED_POINT_TYPE.
6962         * dwarf2out.c (base_type_die): Use DW_ATE_signed_fixed or
6963         DW_ATE_unsigned_fixed to describe FIXED_POINT_TYPE.
6964         (is_base_type): Handle FIXED_POINT_TYPE.
6965         (add_type_attribute): Handle FIXED_POINT_TYPE.
6966         (gen_type_die_with_usage): Handle FIXED_POINT_TYPE.
6967         * print-tree.c (fixed-value.h): New include.
6968         (print_node_brief): Support FIXED_CST.
6969         (print_node): Support FIXED_POINT_TYPE and FIXED_CST.
6970         * c-pretty-print.c (fixed-value.h): New include.
6971         (pp_c_type_specifier): Handle FIXED_POINT_TYPE.  Need to pass
6972         TYPE_SATURATING to c_common_type_for_mode for fixed-point modes.
6973         (pp_c_direct_abstract_declarator): Handle FIXED_POINT_TYPE.
6974         Support fixed-point types for inner items in VECTOR_TYPE.
6975         (pp_c_direct_declarator): Likewise.
6976         (pp_c_declarator): Likewise.
6977         (pp_c_fixed_constant): New function.
6978         (pp_c_constant): Handle FIXED_CST.
6979         (pp_c_primary_expression): Likewise.
6980         (pp_c_expression): Likewise.
6981         * fold-const.c (fixed-value.h): New include.
6982         (negate_expr_p): Return true for FIXED_CST.
6983         (fold_negate_expr): Support FIXED_CST.
6984         (split_tree): Support FIXED_CST.
6985         (const_binop): Support FIXED_CST.
6986         (fold_convert_const_int_from_fixed): New function to convert from
6987         fixed to int.
6988         (fold_convert_const_real_from_fixed): New function to convert from
6989         fixed to real.
6990         (fold_convert_const_fixed_from_fixed): New function to convert from
6991         fixed to another fixed.
6992         (fold_convert_const_fixed_from_int): New function to convert from
6993         int to fixed.
6994         (fold_convert_const_fixed_from_real): New function to convert from
6995         real to fixed.
6996         (fold_convert_const): Support conversions from fixed to int, from
6997         fixed to real, from fixed to fixed, from int to fixed, and from real
6998         to fixed.
6999         (fold_convert): Support FIXED_CST and FIXED_POINT_TYPE.
7000         (operand_equal_p): Support FIXED_CST.
7001         (make_range): For fixed-point modes, we need to pass the
7002         saturating flag as the 2nd parameter.
7003         (tree_swap_operands_p): Handle FIXED_CST.
7004         (fold_plusminus_mult_expr): For fract modes, we cannot generate
7005         constant 1.
7006         (fold_unary): Support FIXED_CONVERT_EXPR.
7007         (fold_binary): Handle FIXED_CST.
7008         Make sure the type is not saturating, before associating operations.
7009         Ex: A + B + C, A * B * C, (A1 * C1) +/- (A2 * C2).
7010         (tree_expr_nonnegative_warnv_p): Handle FIXED_CST.
7011         (fold_negate_const): Support FIXED_CST.
7012         (fold_relational_const): Support FIXED_CST.
7013         * gimplify.c (omp_firstprivatize_type_sizes): Handle FIXED_POINT_TYPE.
7014         (gimplify_expr): Handle FIXED_CST.
7015         (gimplify_type_sizes): Handle FIXED_POINT_TYPE.
7016         * ipa-prop.c (ipa_callsite_compute_param): Support FIXED_CST.
7017         * ipa-type-escape.c (type_to_consider): Handle FIXED_POINT_TYPE.
7018         * doc/tm.texi (Type Layout): Document SHORT_FRACT_TYPE_SIZE,
7019         FRACT_TYPE_SIZE, LONG_FRACT_TYPE_SIZE, LONG_LONG_FRACT_TYPE_SIZE,
7020         SHORT_ACCUM_TYPE_SIZE, ACCUM_TYPE_SIZE, LONG_ACCUM_TYPE_SIZE,
7021         LONG_LONG_ACCUM_TYPE_SIZE.
7022         * dbxout.c (dbxout_type): Handle FIXED_POINT_TYPE.
7023         * c-aux-info.c (gen_type): Handle FIXED_POINT_TYPE.
7024         * tree-sra.c (is_sra_scalar_type): Support FIXED_POINT_TYPE.
7025         * expmed.c (extract_bit_field): Support MODE_FRACT, MODE_UFRACT,
7026         MODE_ACCUM, and MODE_UACCUM.
7027         * tree-vectorizer.c (vect_is_simple_reduction): Check for saturating
7028         fixed-point types to disable reduction.
7029         * explow.c (promote_mode): Support FIXED_POINT_TYPE.
7030
7031 2007-08-08  David Edelsohn  <edelsohn@gnu.org>
7032
7033         * config/rs6000/x-rs6000: New file.
7034         * config/rs6000/darwin.h (CC1_SPEC): Add cc1_cpu.
7035         * config/rs6000/rs6000.h (EXTRA_SPECS): Add cc1_cpu.
7036         (EXTRA_SPEC_FUNCTIONS): Define.
7037         (HAVE_LOCAL_CPU_DETECT): Define.
7038         (CC1_CPU_SPEC): Define.
7039         * config/rs6000/driver-rs6000.c: New file.
7040         * config/rs6000/aix.h (CC1_SPEC): Define.
7041         * config/rs6000/sysv4.h (CC1_SPEC): Add cc1_cpu.
7042         * config.host: Add x-rs6000 to host_xmake_file if host and target
7043         are rs6000 or powerpc.
7044
7045 2007-08-08  Paolo Bonzini <paolo.bonzini@lu.unisi.ch>
7046
7047         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Use +=.
7048
7049 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7050             Sandra Loosemore  <sandra@codesourcery.com>
7051             Chao-ying Fu  <fu@mips.com>
7052             Nigel Stephens  <nigel@mips.com>
7053             David Ung  <davidu@mips.com>
7054
7055         * doc/invoke.texi (-mcode-readable): Document.
7056         * config/mips/mips.opt (mcode-readable): New option.
7057         * config/mips/mips-protos.h (SYMBOL_32_HIGH): New symbol type.
7058         * config/mips/mips.h (mips_code_readable_setting): New enum.
7059         (mips_code_readable): Declare.
7060         (TARGET_MIPS16_TEXT_LOADS, TARGET_MIPS16_PCREL_LOADS): New macros.
7061         (TARGET_MIPS16_SHORT_JUMP_TABLES): New macro.
7062         (JUMP_TABLES_IN_TEXT_SECTION): Use it.
7063         (CASE_VECTOR_MODE, CASE_VECTOR_PC_RELATIVE): Likewise.  Remove
7064         boiler-plate comments.
7065         (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7066         * config/mips/mips.c (mips_code_readable): New variable.
7067         (mips_classify_symbol): Only return SYMBOL_PC_RELATIVE for
7068         MIPS16 labels if TARGET_MIPS16_SHORT_JUMP_TABLES.  Use both the
7069         context and -mcode-readable setting to restrict the use of
7070         SYMBOL_PC_RELATIVE for MIPS16 constant pool references.
7071         Only return TARGET_FORCE_TO_MEM if PC-relative loads are allowed.
7072         (mips_symbolic_constant_p): Handle SYMBOL_32_HIGH.
7073         (mips_blocks_for_constant_p): Only return false for
7074         TARGET_MIPS16_PCREL_LOADS.
7075         (mips_symbol_insns_1): Treat HIGHs as 2 extended instructions
7076         for MIPS16.  Handle SYMBOL_32_HIGH.
7077         (mips_const_insns): Allow HIGHs for MIPS16 too.
7078         (mips_unspec_address_offset): New function, split out from...
7079         (mips_unspec_address): ...here.
7080         (mips_output_move): Handle MIPS16 HIGH moves.  Use "li" to load
7081         16-bit symbolic constants.  Assert approropiate conditions for
7082         using the "la" and "dla" macros.
7083         (mips_handle_option): Handle -mcode-readable=.
7084         (override_options): Use %hi/%lo relocations for TARGET_MIPS16 too.
7085         Set up mips_lo_relocs[SYMBOL_32_HIGH].
7086         (mips_strip_unspec_address): New function, split out from...
7087         (print_operand_reloc): ...here.
7088         (print_operand): Pass constants through mips_strip_unspec_address.
7089         (print_operand_address): Likewise.
7090         (mips_output_mi_thunk): Remove guard of mips16_lay_out_constants.
7091         (mips_select_rtx_section): Remove MIPS16 handling.
7092         (mips16_gp_pseudo_reg): Check currently_expanding_to_rtl.
7093         (mips16_rewrite_pool_refs): Wrap the labels in an address UNSPEC.
7094         (mips16_lay_out_constants): Do nothing unless
7095         TARGET_MIPS16_PCREL_LOADS.
7096         (mips_avoid_hazards): Remove guard of mips16_lay_out_constants.
7097         * config/mips/mips.md: Split HIGHs for MIPS16.
7098         (tablejump): Use TARGET_MIPS16_SHORT_JUMP_TABLES.
7099
7100 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7101
7102         * config/mips/mips-protos.h (mips_emit_move): Declare.
7103         * config/mips/mips.c (mips_emit_move): New function.
7104         (mips_force_temporary): Use mips_emit_move instead of emit_move_insn.
7105         (mips_legitimize_const_move): Likewise.
7106         (mips_legitimize_move): Likewise.
7107         (mips_split_64bit_move): Likewise.
7108         (mips_restore_gp): Likewise.
7109         (mips_load_call_address): Likewise.
7110         (mips_emit_fcc_reload): Likewise.
7111         (mips_set_return_address): Likewise.
7112         (mips_block_move_straight): Likewise.
7113         (mips_block_move_loop): Likewise.
7114         (mips_setup_incoming_varargs): Likewise.
7115         (mips_save_reg): Likewise.
7116         (mips_expand_prologue): Likewise.
7117         (mips_restore_reg): Likewise.
7118         (mips_expand_epilogue): Likewise.
7119         (mips_output_mi_thunk): Likewise.
7120         (build_mips16_call_stub): Likewise.
7121         (mips_builtin_branch_and_move): Likewise.
7122         * config/mips/mips.h (INITIALIZE_TRAMPOLINE): Likewise.
7123         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
7124         (fixuns_truncdfdi2): Likewise.
7125         (fixuns_truncsfsi2): Likewise.
7126         (fixuns_truncsfdi2): Likewise.
7127         (loadgp_absolute): Likewise.
7128         (builtin_setjmp_setup): Likewise.
7129         (builtin_longjmp): Likewise.
7130         (untyped_call): Likewise.
7131
7132 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7133
7134         * config/mips/mips-protos.h (mips_split_symbol): Add a mode and
7135         an "rtx *" argument.  Return a bool.
7136         * config/mips/mips.c (mips_split_symbol): Accept arbitrary source
7137         values and return true if they can be split.  Take the same kind of
7138         mode argument as mips_symbol_insns.  Add a "lo_sum_out" parameter
7139         and store the lo_sum there if nonnull.  Use the symbol type to
7140         determine whether a $gp or HIGH is needed.
7141         (mips_legitimize_address): Update call to mips_split_symbol and
7142         simplify accordingly.
7143         (mips_legitimize_const_move): Likewise.
7144         * config/mips/mips.md: In the combine define_split,
7145         check mips_split_symbol instead of splittable_symbolic_operand.
7146         Update use of mips_split_symbol in the generator code.
7147         * config/mips/predicates.md (splittable_symbolic_operand): Delete.
7148
7149 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7150
7151         * config/mips/mips.c (mips_symbolic_address_p): Delete.
7152         (mips_symbol_insns_1): New function, split out from...
7153         (mips_symbol_insns): ...here.  Take a mode argument.  Treat loads
7154         and stores separately from load addresses.
7155         (mips_classify_address): Replace uses of mips_symbolic_address_p
7156         with uses of mips_symbol_insns.
7157         (mips_address_insns): Update calls to mips_symbol_insns.
7158         (mips_const_insns): Likewise.
7159         (mips_legitimize_address): Likewise.
7160
7161 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7162
7163         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): New symbol type.
7164         * config/mips/mips.c (mips_classify_symbol): Skip TARGET_ABICALLS
7165         block for locally-binding symbols if TARGET_ABSOLUTE_ABICALLS.
7166         Return SYMBOL_FORCE_TO_MEM instead of SYMBOL_ABSOLUTE for
7167         non-call contexts if TARGET_MIPS16.
7168         (mips_symbolic_constant_p): Handle SYMBOL_FORCE_TO_MEM.
7169         (mips_symbolic_address_p): Likewise.  Remove special TARGET_MIPS16
7170         code for SYMBOL_ABSOLUTE.
7171         (mips_symbol_insns): Likewise.
7172
7173 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7174
7175         * config/mips/mips-protos.h (mips_symbol_context): New enumeration.
7176         * config/mips/mips.c (mips_classify_symbol): Take a context argument.
7177         (mips_symbolic_constant_p): Likewise.  Update the call to
7178         mips_classify_symbol.
7179         (mips_classify_address): Update the calls to mips_symbolic_constant_p.
7180         (mips_const_insns): Likewise.  Update the call to mips_classify_symbol.
7181         (mips_legitimize_address): Update the call to mips_symbolic_constant_p.
7182         (print_operand_reloc): Add a context argument.  Update the call to
7183         mips_symbolic_constant_p.
7184         (print_operand): Update the calls to print_operand_reloc.
7185         (print_operand_address): Use print_operand_reloc rather than
7186         print_operand.
7187         (mips_rewrite_small_data_p): Add a context argument.  Update the call
7188         to mips_symbolic_constant_p.
7189         (mips_small_data_pattern_1): Make DATA the containing mem.
7190         Update the call to mips_rewrite_small_data_p.
7191         (mips_rewrite_small_data_1): Likewise.
7192         (mips_use_anchors_for_symbol_p): Update the call to
7193         mips_symbolic_constant_p.
7194         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7195         (splittable_symbolic_operand): Likewise.
7196         (move_operand): Likewise.
7197         (absolute_symbolic_operand): Likewise.
7198         (got_disp_operand): Likewise.
7199         (got_page_ofst_operand): Likewise.
7200
7201 2007-08-08  Richard Sandiford  <richard@codesourcery.com>
7202
7203         * config/mips/mips-protos.h (SYMBOL_GENERAL): Rename to...
7204         (SYMBOL_ABSOLUTE): ...this.
7205         (SYMBOL_SMALL_DATA): Rename to...
7206         (SYMBOL_GP_RELATIVE): ...this.
7207         (SYMBOL_CONSTANT_POOL): Rename to...
7208         (SYMBOL_PC_RELATIVE): ...this.
7209         * config/mips/mips.c (mips_classify_symbol, mips_symbolic_constant_p)
7210         (mips_symbolic_address_p, mips_symbol_insns, override_options)
7211         (mips_rewrite_small_data_p, mips_use_anchors_for_symbol_p): Update
7212         after above changes.
7213         * config/mips/predicates.md (const_call_insn_operand): Likewise.
7214         (general_symbolic_operand): Rename to...
7215         (absolute_symbolic_operand): ...this.
7216         * config/mips/mips.md: Update after above changes.
7217
7218 2007-08-08  Vladimir Yanovsky  <yanov@il.ibm.com>
7219             Revital Eres  <eres@il.ibm.com>
7220
7221         * ddg.c (print_ddg): Add dump information.
7222         * modulo-sched.c (print_node_sched_params): Add parameter and
7223         verbosity.
7224         (calculate_maxii): Remove function.
7225         (undo_generate_reg_moves): Likewise.
7226         (undo_permute_partial_schedule): Likewise.
7227         (kernel_number_of_cycles): Likewise.
7228         (MAXII_FACTOR): New definition to calculate the upper bound of II.
7229         (sms_schedule): Use it.  Remove profitability checks.
7230         (sms_schedule_by_order): Fix order of nodes within the cycle.
7231
7232 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7233
7234         * config/i386/gnu.h (STARTFILE_SPEC): Use gcrt0.o in profile mode, add
7235         -profile option, add pie support.
7236         (ENDFILE_SPEC): New spec.
7237         * config/gnu.h (LIB_SPEC): Add -profile option.
7238
7239 2007-08-08  Samuel Thibault  <samuel.thibault@ens-lyon.org>
7240
7241         * config/i386/gnu.h (CPP_SPEC): Add -pthread option.
7242         * config/gnu.h (LIB_SPEC): Likewise.
7243
7244 2007-08-07  Yaz Saito  <saito@google.com>
7245             Ian Lance Taylor  <iant@google.com>
7246
7247         * common.opt (finstrument-functions-exclude-function-list): New
7248         option.
7249         (finstrument-functions-exclude-file-list): New option.
7250         * opts.c (char_p): Define and DEF_VEC.
7251         (flag_instrument_functions_exclude_functions): New static
7252         variable.
7253         (flag_instrument_functions_exclude_files): New static variable.
7254         (add_instrument_functions_exclude_list): New static function.
7255         (flag_instrument_functions_exclude_p): New function.
7256         (common_handle_option): Handle new options.
7257         * flags.h (flag_instrument_functions_exclude_p): Declare.
7258         * gimplify.c (gimplify_function_tree): Call
7259         flag_instrument_functions_exclude_p.
7260         * doc/invoke.texi (Option Summary): Mention new options.
7261         (Code Gen Options): Document new options.
7262
7263 2007-08-07  Ian Lance Taylor  <iant@google.com>
7264
7265         PR rtl-optimization/32776
7266         * lower-subreg.c (resolve_clobber): Call resolve_reg_notes.
7267         (resolve_use): Likewise.
7268         (decompose_multiword_subregs): Remove "changed" local variable.
7269
7270 2007-08-07  Carlos O'Donell  <carlos@codesourcery.com>
7271
7272         * configure.ac: Define HAVE_GNU_AS if $gas_flag is yes.
7273         * configure: Regenerate.
7274         * config.in: Regenerate.
7275         * gcc.c [HAVE_GNU_AS]: Add "%{v} %{w:-W} %{I*} " to asm_options
7276         spec string.
7277
7278 2007-08-07  Ian Lance Taylor  <iant@google.com>
7279
7280         * lower-subreg.c (resolve_clobber): If the clobber has a LIBCALL
7281         note, just delete the insn.
7282
7283 2007-08-07  Andreas Schwab  <schwab@suse.de>
7284
7285         PR bootstrap/32973
7286         * gengtype-lex.l: Ignore backslash/newline pair while scanning a
7287         struct definition.
7288
7289 2007-08-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7290
7291         * lower-subreg.c (resolve_subreg_use): Remove assertion.
7292         (find_decomposable_shift_zext, resolve_shift_zext): New functions.
7293         (decompose_multiword_subregs): Use the functions above to decompose
7294         multiword shifts and zero-extends.
7295
7296 2007-08-07  Rask Ingemann Lambertsen  <rask@sygehus.dk>
7297
7298         * doc/sourcebuild.texi (Test Directives): Fix "compile" and
7299         "assemble" descriptions which were swapped.
7300
7301 2007-08-06  Chao-ying Fu  <fu@mips.com>
7302
7303         * fixed-value.h: New file.
7304         * fixed-value.c: New file.
7305         * Makefile.in (OBJS-common): Add fixed-value.o.
7306         (fixed-value.o): New rule.
7307         (GTFILES): Add fixed-value.h.
7308         * double-int.c (double_int_scmp): We should use unsigned HOST_WIDE_INT
7309         to compare a.low and b.low.
7310         * gengtype.c (main): Handle FIXED_VALUE_TYPE type as scalar typedef.
7311
7312 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7313             Daniel Jacobowitz  <dan@codesourcery.com>
7314
7315         PR target/31868
7316         * config.gcc (x86_64-*-freebsd*): Add i386/t-crtstuff to
7317         tmake_file.
7318         (x86_64-*-netbsd*): Likewise.
7319         (x86_64-*-linux*): Likewise.
7320         (x86_64-*-kfreebsd*-gnu): Likewise.
7321         (x86_64-*-knetbsd*-gnu): Likewise.
7322         (i[34567]86-*-solaris2.1[0-9]*): Likewise.
7323
7324         * config/i386/t-linux64 (CRTSTUFF_T_CFLAGS): Removed.
7325
7326         * config/i386/t-crtstuff (CRTSTUFF_T_CFLAGS): Update comments.
7327         Add -fno-asynchronous-unwind-tables.
7328
7329         * config/t-freebsd (CRTSTUFF_T_CFLAGS_S): Add $(CRTSTUFF_T_CFLAGS).
7330         * config/t-libc-ok (CRTSTUFF_T_CFLAGS_S): Likewise.
7331         * config/t-lynx (CRTSTUFF_T_CFLAGS_S): Likewise.
7332         * config/t-netbsd (CRTSTUFF_T_CFLAGS_S): Likewise.
7333         * config/t-svr4 (CRTSTUFF_T_CFLAGS_S): Likewise.
7334
7335 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7336
7337         * config/ia64/ia64.c (ia64_c_mode_for_suffix): New.
7338         (TARGET_C_MODE_FOR_SUFFIX): New.
7339
7340 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7341
7342         * config/ia64/div.md (m2subrf4_cond): Change 'g' to 'G'.
7343
7344 2007-08-06  Steve Ellcey  <sje@cup.hp.com>
7345
7346         * config/ia64/ia64.h (MODES_TIEABLE_P): Fix typo.
7347
7348 2007-08-06  H.J. Lu  <hongjiu.lu@intel.com>
7349
7350         * config/i386/i386.md: Check TARGET_ macros and optimize_size
7351         before checking function returns in conditional expressions.
7352
7353 2007-08-06  Alfred Minarik  <a.minarik@aon.at>
7354
7355         PR pch/13676
7356         * doc/invoke.texi: Add .hp, .hxx, .hpp, .h, .HPP, .tcc as c++ header.
7357
7358 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7359
7360         PR middle-end/32988
7361         * tree.c (build2_stat): Instead of checking for INTEGER_TYPE, check
7362         for INTEGRAL_TYPE_P.
7363
7364 2008-08-05  Paolo Bonzini  <bonzini@gnu.org>
7365
7366         * configure.ac: Remove --enable-checking=df from default settings.
7367         * tree-pass.h (TODO_df_verify): New.  Shift TODO_mark_first_instance.
7368         * df-core.c (df_finish_pass) [ENABLE_CHECKING]: Schedule verification
7369         if the parameter is true.
7370         (df_analyze) [!ENABLE_DF_CHECKING]: Also do verification if the
7371         DF_VERIFY_SCHEDULED flag is true.
7372         * df.h (enum df_changeable_flags): Add DF_VERIFY_SCHEDULED.
7373         (df_finish_pass): Adjust prototype.
7374         * passes.c (execute_todo): Schedule verification if TODO_df_verify is
7375         true.
7376
7377         * see.c (pass_see): Add TODO_df_verify.
7378         * loop-init.c (pass_rtl_move_loop_invariants): Add TODO_df_verify.
7379         * global.c (rest_of_handle_global_alloc): Schedule verification
7380         after the pass.
7381         * local-alloc.c (rest_of_handle_local_alloc): Schedule verification
7382         before the pass.
7383         * function.c (pass_thread_prologue_and_epilogue): Add TODO_df_verify.
7384         * gcse.c (rest_of_handle_gcse): Adjust call to df_finish_pass.
7385         * loop-iv.c (iv_analysis_done): Schedule verification after the pass.
7386
7387         * config/sh/sh.c (sh_output_mi_thunk): Remove dead code.
7388         * config/ia64/ia64.c (ia64_reorg): Adjust call to df_finish_pass.
7389         * config/bfin/bfin.c (bfin_reorg): Adjust call to df_finish_pass.
7390
7391 2007-08-05  Vladimir Yanovsky  <yanov@il.ibm.com>
7392             Revital Eres <eres@il.ibm.com>
7393
7394         * doc/invoke.texi (-fmodulo-sched-allow-regmoves): Document new
7395         flag.
7396         * ddg.c (create_ddg_dependence): Rename to...
7397         (create_ddg_dep_from_intra_loop_link): This.  Do not check
7398         for interloop edges.  Do not create anti dependence edge when
7399         a true dependence edge exists in the opposite direction and
7400         -fmodulo-sched-allow-regmoves is set.
7401         (build_intra_loop_deps): Call create_ddg_dep_from_intra_loop_link.
7402         (add_cross_iteration_register_deps): Create anti dependence edge
7403         when -fno-modulo-sched-allow-regmoves is set.
7404         * common.opt (-fmodulo-sched-allow-regmoves): New flag.
7405
7406 2007-08-04  Richard Sandiford  <richard@codesourcery.com>
7407
7408         * config/arm/arm.md (movsi): Add braces.
7409
7410 2007-08-04  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7411
7412         PR middle-end/32780
7413         * fold-const.c (fold_binary <case MINUS_EXPR>): Fix the type of
7414         operands for the folding of "A - (A & B)" into "~B & A"; cast them
7415         to type.
7416
7417 2007-08-03  Zdenek Dvorak  <ook@ucw.cz>
7418
7419         * tree-ssa-threadupdate.c (thread_through_all_blocks): Use loops'
7420         state accessor functions.
7421         * cfgloopmanip.c (remove_path, create_preheaders,
7422         force_single_succ_latches, fix_loop_structure): Ditto.
7423         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
7424         tree_duplicate_loop_to_header_edge): Ditto.
7425         * cfgloopanal.c (mark_irreducible_loops): Ditto.
7426         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize):
7427         Ditto.
7428         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures,
7429         cleanup_tree_cfg): Ditto.
7430         * tree-cfg.c (tree_merge_blocks): Ditto.
7431         * cfgloop.c (rescan_loop_exit, record_loop_exits,
7432         release_recorded_exits, get_loop_exit_edges, verify_loop_structure,
7433         loop_preheader_edge, single_exit): Ditto.
7434         (flow_loops_find): Do not clear loops->state.
7435         * cfgloop.h (loops_state_satisfies_p, loops_state_set,
7436         loops_state_clear): New functions.
7437
7438 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7439
7440         PR middle-end/32399
7441         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
7442         when adding to the base and convert ELT to sizetype instead of type.
7443
7444 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7445
7446         PR middle-end/32304
7447         * ipa-reference.c (has_proper_scope_for_analysis): Return false when
7448         the decl's type has TYPE_NEEDS_CONSTRUCTING set.
7449
7450 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7451
7452         PR middle-end/32935
7453         * fold-convert.c (fold_negate_expr <NOP_EXPR>): Convert back to the
7454          correct type the negate expression.
7455
7456 2007-08-03  Jan Hubicka  <jh@suse.cz>
7457
7458         * i386.c (setup_incoming_varargs_64): Tolerate 64bit preferred
7459         stack boundary.
7460
7461 2007-08-03  David Edelsohn  <edelsohn@gnu.org>
7462
7463         * config/rs6000/rs6000.c (struct processor_cost): Change
7464         l1_cache_lines to l1_cache_size.  Add l2_cache_size.
7465         (*_cost): Convert l1 cache information to kilobytes.  Add l2 cache
7466         information.
7467         (rios1_costs, rios2_cost): Correct cache line size.
7468         (rs6000_override_options): Set l2-cache-size parameter.
7469
7470 2007-08-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7471             Diego Novillo  <dnovillo@google.com>
7472
7473         PR 31521
7474         * tree-vrp.c (simplify_div_or_mod_using_ranges): Also simplify
7475         if the range includes 0.
7476
7477 2007-08-03  Ben Elliston  <bje@au.ibm.com>
7478
7479         * config/spu/spu.md (dftsv, dftsv_celledp): Attach the appropriate
7480         mode to unspec expressions to silence a warning from the generator
7481         programs.
7482
7483 2007-08-02  Steve Ellcey  <sje@cup.hp.com>
7484
7485         * config/ia64/constraints.md ("U"): Make constraint vector only.
7486
7487 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7488
7489         PR middle-end/25446
7490         * c-objc-common.c (c_cannot_inline_tree_fn): Check for an
7491         always_inline attribute on the function decl.
7492
7493 2007-08-02  Nathan Froyd  <froydnj@codesourcery.com>
7494
7495         PR middle-end/25445
7496         * varasm.c (default_binds_local_p_1): Consult flag_whole_program
7497         if we are compiling with -fPIC.
7498
7499 2007-08-02  Sandra Loosemore  <sandra@codesourcery.com>
7500             Nigel Stephens  <nigel@mips.com>
7501
7502         * longlong.h [__mips__] (count_leading_zeros, COUNT_LEADING_ZEROS_0):
7503         Define for MIPS32 and MIPS64.
7504
7505 2007-08-02  Nick Clifton  <nickc@redhat.com>
7506
7507         * config/host-hpux.c: Change copyright header to refer to version
7508         3 of the GNU General Public License and to point readers at the
7509         COPYING3 file and the FSF's license web page.
7510         * config/alpha/predicates.md, config/alpha/vms-ld.c,
7511         config/alpha/linux.h, config/alpha/alpha.opt,
7512         config/alpha/linux-elf.h, config/alpha/vms.h, config/alpha/elf.h,
7513         config/alpha/vms-unwind.h, config/alpha/ev4.md,
7514         config/alpha/ev6.md, config/alpha/alpha.c, config/alpha/vms-cc.c,
7515         config/alpha/alpha.h, config/alpha/sync.md,
7516         config/alpha/openbsd.h, config/alpha/alpha.md,
7517         config/alpha/alpha-modes.def, config/alpha/ev5.md,
7518         config/alpha/alpha-protos.h, config/alpha/freebsd.h,
7519         config/alpha/osf5.h, config/alpha/netbsd.h, config/alpha/vms64.h,
7520         config/alpha/constraints.md, config/alpha/osf.h,
7521         config/alpha/xm-vms.h, config/alpha/unicosmk.h, config/linux.h,
7522         config/frv/predicates.md, config/frv/frv.h, config/frv/linux.h,
7523         config/frv/frv.md, config/frv/frv.opt, config/frv/frv-modes.def,
7524         config/frv/frv-asm.h, config/frv/frv-protos.h,
7525         config/frv/frv-abi.h, config/frv/frv.c, config/s390/tpf.h,
7526         config/s390/s390.c, config/s390/predicates.md, config/s390/s390.h,
7527         config/s390/linux.h, config/s390/tpf.md, config/s390/tpf.opt,
7528         config/s390/2064.md, config/s390/2084.md, config/s390/s390.md,
7529         config/s390/s390.opt, config/s390/s390-modes.def,
7530         config/s390/fixdfdi.h, config/s390/constraints.md,
7531         config/s390/s390-protos.h, config/s390/s390x.h, config/elfos.h,
7532         config/dbxcoff.h, config/m32c/predicates.md, config/m32c/cond.md,
7533         config/m32c/m32c.c, config/m32c/minmax.md, config/m32c/blkmov.md,
7534         config/m32c/m32c-pragma.c, config/m32c/m32c.h,
7535         config/m32c/prologue.md, config/m32c/m32c.abi,
7536         config/m32c/muldiv.md, config/m32c/bitops.md, config/m32c/mov.md,
7537         config/m32c/addsub.md, config/m32c/m32c.md, config/m32c/m32c.opt,
7538         config/m32c/t-m32c, config/m32c/m32c-modes.def,
7539         config/m32c/jump.md, config/m32c/shift.md,
7540         config/m32c/m32c-protos.h, config/libgloss.h,
7541         config/spu/spu-protos.h, config/spu/predicates.md,
7542         config/spu/spu-builtins.h, config/spu/spu.c,
7543         config/spu/spu-builtins.def, config/spu/spu-builtins.md,
7544         config/spu/spu.h, config/spu/spu-elf.h, config/spu/constraints.md,
7545         config/spu/spu.md, config/spu/spu-c.c, config/spu/spu.opt,
7546         config/spu/spu-modes.def, config/spu/t-spu-elf, config/interix.h,
7547         config/sparc/hypersparc.md, config/sparc/predicates.md,
7548         config/sparc/linux.h, config/sparc/sp64-elf.h,
7549         config/sparc/supersparc.md, config/sparc/cypress.md,
7550         config/sparc/openbsd1-64.h, config/sparc/openbsd64.h,
7551         config/sparc/niagara.md, config/sparc/sparc.md,
7552         config/sparc/long-double-switch.opt, config/sparc/ultra3.md,
7553         config/sparc/sparc.opt, config/sparc/sync.md,
7554         config/sparc/sp-elf.h, config/sparc/sparc-protos.h,
7555         config/sparc/ultra1_2.md, config/sparc/biarch64.h,
7556         config/sparc/sparc.c, config/sparc/little-endian.opt,
7557         config/sparc/sysv4-only.h, config/sparc/sparc.h,
7558         config/sparc/linux64.h, config/sparc/freebsd.h,
7559         config/sparc/sol2.h, config/sparc/rtemself.h,
7560         config/sparc/netbsd-elf.h, config/sparc/vxworks.h,
7561         config/sparc/sparc-modes.def, config/sparc/sparclet.md,
7562         config/sparc/sysv4.h, config/vx-common.h, config/netbsd-aout.h,
7563         config/flat.h, config/m32r/m32r.md, config/m32r/predicates.md,
7564         config/m32r/little.h, config/m32r/m32r.c, config/m32r/m32r.opt,
7565         config/m32r/linux.h, config/m32r/constraints.md,
7566         config/m32r/m32r.h, config/m32r/m32r-protos.h, config/vxworks.opt,
7567         config/darwin-c.c, config/darwin.opt, config/i386/i386.h,
7568         config/i386/cygming.h, config/i386/linux.h, config/i386/cygwin.h,
7569         config/i386/i386.md, config/i386/netware-crt0.c,
7570         config/i386/sco5.h, config/i386/mmx.md, config/i386/vx-common.h,
7571         config/i386/kaos-i386.h, config/i386/winnt-stubs.c,
7572         config/i386/netbsd64.h, config/i386/djgpp.h, config/i386/gas.h,
7573         config/i386/sol2.h, config/i386/constraints.md,
7574         config/i386/netware-libgcc.c, config/i386/sysv5.h,
7575         config/i386/predicates.md, config/i386/geode.md,
7576         config/i386/x86-64.h, config/i386/kfreebsd-gnu.h,
7577         config/i386/freebsd64.h, config/i386/vxworksae.h,
7578         config/i386/pentium.md, config/i386/lynx.h, config/i386/i386elf.h,
7579         config/i386/rtemself.h, config/i386/netbsd-elf.h,
7580         config/i386/ppro.md, config/i386/k6.md, config/i386/netware.c,
7581         config/i386/netware.h, config/i386/i386-modes.def,
7582         config/i386/sysv4-cpp.h, config/i386/i386-interix.h,
7583         config/i386/cygwin1.c, config/i386/djgpp.opt, config/i386/uwin.h,
7584         config/i386/unix.h, config/i386/ptx4-i.h, config/i386/xm-djgpp.h,
7585         config/i386/att.h, config/i386/winnt.c, config/i386/beos-elf.h,
7586         config/i386/sol2-10.h, config/i386/darwin64.h, config/i386/sse.md,
7587         config/i386/i386.opt, config/i386/bsd.h, config/i386/cygming.opt,
7588         config/i386/xm-mingw32.h, config/i386/linux64.h,
7589         config/i386/openbsdelf.h, config/i386/xm-cygwin.h,
7590         config/i386/sco5.opt, config/i386/darwin.h, config/i386/mingw32.h,
7591         config/i386/winnt-cxx.c, config/i386/i386-interix3.h,
7592         config/i386/nwld.c, config/i386/nwld.h, config/i386/host-cygwin.c,
7593         config/i386/cygwin2.c, config/i386/i386-protos.h,
7594         config/i386/sync.md, config/i386/openbsd.h,
7595         config/i386/host-mingw32.c, config/i386/i386-aout.h,
7596         config/i386/nto.h, config/i386/biarch64.h,
7597         config/i386/i386-coff.h, config/i386/freebsd.h,
7598         config/i386/driver-i386.c, config/i386/knetbsd-gnu.h,
7599         config/i386/host-i386-darwin.c, config/i386/vxworks.h,
7600         config/i386/crtdll.h, config/i386/i386.c, config/i386/sysv4.h,
7601         config/darwin-protos.h, config/linux.opt, config/sol2.c,
7602         config/sol2.h, config/sh/symbian.c, config/sh/sh-protos.h,
7603         config/sh/linux.h, config/sh/elf.h, config/sh/superh.h,
7604         config/sh/sh4.md, config/sh/coff.h, config/sh/newlib.h,
7605         config/sh/embed-elf.h, config/sh/symbian-pre.h, config/sh/rtems.h,
7606         config/sh/kaos-sh.h, config/sh/sh4a.md, config/sh/constraints.md,
7607         config/sh/sh64.h, config/sh/sh.opt, config/sh/symbian-post.h,
7608         config/sh/sh-c.c, config/sh/predicates.md, config/sh/sh.c,
7609         config/sh/sh.h, config/sh/shmedia.md, config/sh/sh-modes.def,
7610         config/sh/little.h, config/sh/sh1.md, config/sh/sh4-300.md,
7611         config/sh/superh64.h, config/sh/rtemself.h,
7612         config/sh/netbsd-elf.h, config/sh/sh.md, config/sh/vxworks.h,
7613         config/usegas.h, config/svr3.h, config/pdp11/pdp11-protos.h,
7614         config/pdp11/2bsd.h, config/pdp11/pdp11.md, config/pdp11/pdp11.c,
7615         config/pdp11/pdp11.opt, config/pdp11/pdp11-modes.def,
7616         config/pdp11/pdp11.h, config/avr/rtems.h, config/avr/avr-protos.h,
7617         config/avr/predicates.md, config/avr/constraints.md,
7618         config/avr/avr.md, config/avr/avr.c, config/avr/avr.opt,
7619         config/avr/avr.h, config/sol2-protos.h, config/dbxelf.h,
7620         config/lynx.opt, config/crx/crx.h, config/crx/crx-protos.h,
7621         config/crx/crx.md, config/crx/crx.c, config/crx/crx.opt,
7622         config/c4x/c4x-c.c, config/c4x/c4x.c, config/c4x/c4x.opt,
7623         config/c4x/c4x-modes.def, config/c4x/rtems.h,
7624         config/c4x/predicates.md, config/c4x/c4x.h,
7625         config/c4x/c4x-protos.h, config/c4x/c4x.md, config/kfreebsd-gnu.h,
7626         config/xtensa/predicates.md, config/xtensa/xtensa.c,
7627         config/xtensa/linux.h, config/xtensa/xtensa.h,
7628         config/xtensa/elf.h, config/xtensa/xtensa.md,
7629         config/xtensa/xtensa.opt, config/xtensa/constraints.md,
7630         config/xtensa/xtensa-protos.h, config/dbx.h,
7631         config/stormy16/predicates.md, config/stormy16/stormy16.md,
7632         config/stormy16/stormy16.c, config/stormy16/stormy16.opt,
7633         config/stormy16/stormy16.h, config/stormy16/stormy16-protos.h,
7634         config/host-solaris.c, config/fr30/fr30.h,
7635         config/fr30/predicates.md, config/fr30/fr30-protos.h,
7636         config/fr30/fr30.md, config/fr30/fr30.c, config/fr30/fr30.opt,
7637         config/vxworksae.h, config/sol2-c.c, config/lynx.h,
7638         config/m68hc11/m68hc11-protos.h, config/m68hc11/predicates.md,
7639         config/m68hc11/m68hc11.md, config/m68hc11/m68hc11.c,
7640         config/m68hc11/m68hc11.opt, config/m68hc11/m68hc11.h,
7641         config/m68hc11/m68hc12.h, config/openbsd-oldgas.h,
7642         config/host-linux.c, config/interix3.h, config/cris/cris.c,
7643         config/cris/predicates.md, config/cris/linux.h,
7644         config/cris/cris.h, config/cris/aout.h, config/cris/cris.md,
7645         config/cris/linux.opt, config/cris/cris.opt, config/cris/elf.opt,
7646         config/cris/aout.opt, config/cris/cris-protos.h,
7647         config/vxworks-dummy.h, config/netbsd.h, config/netbsd-elf.h,
7648         config/iq2000/iq2000.h, config/iq2000/predicates.md,
7649         config/iq2000/iq2000-protos.h, config/iq2000/iq2000.md,
7650         config/iq2000/iq2000.c, config/iq2000/iq2000.opt,
7651         config/host-darwin.c, config/mt/mt.md, config/mt/mt.c,
7652         config/mt/mt.opt, config/mt/t-mt, config/mt/mt.h,
7653         config/mt/mt-protos.h, config/svr4.h, config/host-darwin.h,
7654         config/chorus.h, config/mn10300/mn10300.c,
7655         config/mn10300/mn10300.opt, config/mn10300/predicates.md,
7656         config/mn10300/mn10300.h, config/mn10300/linux.h,
7657         config/mn10300/constraints.md, config/mn10300/mn10300-protos.h,
7658         config/mn10300/mn10300.md, config/ia64/predicates.md,
7659         config/ia64/itanium1.md, config/ia64/unwind-ia64.h,
7660         config/ia64/ia64-c.c, config/ia64/sync.md, config/ia64/ia64.c,
7661         config/ia64/itanium2.md, config/ia64/ia64.h, config/ia64/vect.md,
7662         config/ia64/freebsd.h, config/ia64/ia64.md,
7663         config/ia64/ia64-modes.def, config/ia64/constraints.md,
7664         config/ia64/hpux.h, config/ia64/ia64-protos.h, config/windiss.h,
7665         config/gofast.h, config/rtems.h, config/sol2-10.h,
7666         config/m68k/predicates.md, config/m68k/m68k.md,
7667         config/m68k/linux.h, config/m68k/m68k-modes.def,
7668         config/m68k/print-sysroot-suffix.sh, config/m68k/m68k-protos.h,
7669         config/m68k/coff.h, config/m68k/m68k-none.h, config/m68k/ieee.opt,
7670         config/m68k/openbsd.h, config/m68k/m68k-aout.h,
7671         config/m68k/m68k.opt, config/m68k/m68020-elf.h,
7672         config/m68k/m68kelf.h, config/m68k/m68k-devices.def,
7673         config/m68k/uclinux-oldabi.h, config/m68k/m68k.c,
7674         config/m68k/constraints.md, config/m68k/rtemself.h,
7675         config/m68k/netbsd-elf.h, config/m68k/m68k.h,
7676         config/m68k/uclinux.h, config/rs6000/power4.md,
7677         config/rs6000/host-darwin.c, config/rs6000/6xx.md,
7678         config/rs6000/linux.h, config/rs6000/eabi.h,
7679         config/rs6000/aix41.opt, config/rs6000/xcoff.h,
7680         config/rs6000/secureplt.h, config/rs6000/linuxspe.h,
7681         config/rs6000/eabialtivec.h, config/rs6000/8540.md,
7682         config/rs6000/darwin8.h, config/rs6000/kaos-ppc.h,
7683         config/rs6000/windiss.h, config/rs6000/603.md,
7684         config/rs6000/aix41.h, config/rs6000/cell.md,
7685         config/rs6000/mpc.md, config/rs6000/aix43.h, config/rs6000/beos.h,
7686         config/rs6000/gnu.h, config/rs6000/rtems.h, config/rs6000/aix.opt,
7687         config/rs6000/darwin.md, config/rs6000/darwin64.h,
7688         config/rs6000/default64.h, config/rs6000/7xx.md,
7689         config/rs6000/darwin.opt, config/rs6000/spe.md,
7690         config/rs6000/rs6000.opt, config/rs6000/rs6000-c.c,
7691         config/rs6000/rios2.md, config/rs6000/linuxaltivec.h,
7692         config/rs6000/7450.md, config/rs6000/linux64.h,
7693         config/rs6000/constraints.md, config/rs6000/440.md,
7694         config/rs6000/darwin.h, config/rs6000/host-ppc64-darwin.c,
7695         config/rs6000/rs6000.c, config/rs6000/aix52.h,
7696         config/rs6000/rs6000.h, config/rs6000/power6.md,
7697         config/rs6000/predicates.md, config/rs6000/altivec.md,
7698         config/rs6000/aix64.opt, config/rs6000/rios1.md,
7699         config/rs6000/rs6000-modes.def, config/rs6000/rs64.md,
7700         config/rs6000/eabisim.h, config/rs6000/sysv4le.h,
7701         config/rs6000/darwin7.h, config/rs6000/dfp.md,
7702         config/rs6000/linux64.opt, config/rs6000/sync.md,
7703         config/rs6000/vxworksae.h, config/rs6000/power5.md,
7704         config/rs6000/lynx.h, config/rs6000/biarch64.h,
7705         config/rs6000/rs6000.md, config/rs6000/sysv4.opt,
7706         config/rs6000/eabispe.h, config/rs6000/e500.h,
7707         config/rs6000/freebsd.h, config/rs6000/rs6000-protos.h,
7708         config/rs6000/netbsd.h, config/rs6000/e500-double.h,
7709         config/rs6000/aix.h, config/rs6000/vxworks.h,
7710         config/rs6000/40x.md, config/rs6000/aix51.h,
7711         config/rs6000/sysv4.h, config/arc/arc-protos.h, config/arc/arc.md,
7712         config/arc/arc.c, config/arc/arc.opt, config/arc/arc-modes.def,
7713         config/arc/arc.h, config/mcore/mcore-elf.h,
7714         config/mcore/mcore-protos.h, config/mcore/predicates.md,
7715         config/mcore/mcore.md, config/mcore/mcore.c,
7716         config/mcore/mcore.opt, config/mcore/mcore.h,
7717         config/mcore/mcore-pe.h, config/darwin.c, config/freebsd-nthr.h,
7718         config/score/predicates.md, config/score/score-version.h,
7719         config/score/score-protos.h, config/score/misc.md,
7720         config/score/elf.h, config/score/score.c, config/score/mac.md,
7721         config/score/score7.md, config/score/score.h,
7722         config/score/score-conv.h, config/score/score-mdaux.c,
7723         config/score/score.md, config/score/score.opt,
7724         config/score/score-modes.def, config/score/score-mdaux.h,
7725         config/score/mul-div.S, config/arm/uclinux-elf.h,
7726         config/arm/semi.h, config/arm/ecos-elf.h, config/arm/arm1020e.md,
7727         config/arm/symbian.h, config/arm/linux-elf.h,
7728         config/arm/arm1026ejs.md, config/arm/arm1136jfs.md,
7729         config/arm/elf.h, config/arm/aout.h, config/arm/arm.c,
7730         config/arm/thumb2.md, config/arm/vec-common.md, config/arm/coff.h,
7731         config/arm/strongarm-pe.h, config/arm/arm.h,
7732         config/arm/cortex-a8-neon.md, config/arm/semiaof.h,
7733         config/arm/cortex-a8.md, config/arm/uclinux-eabi.h,
7734         config/arm/arm-modes.def, config/arm/linux-eabi.h,
7735         config/arm/rtems-elf.h, config/arm/neon-schedgen.ml,
7736         config/arm/arm-cores.def, config/arm/arm-protos.h,
7737         config/arm/vfp.md, config/arm/aof.h, config/arm/linux-gas.h,
7738         config/arm/wince-pe.h, config/arm/neon.md,
7739         config/arm/constraints.md, config/arm/neon.ml,
7740         config/arm/xscale-elf.h, config/arm/strongarm-coff.h,
7741         config/arm/arm.opt, config/arm/arm926ejs.md,
7742         config/arm/predicates.md, config/arm/iwmmxt.md,
7743         config/arm/arm_neon.h, config/arm/unknown-elf.h,
7744         config/arm/kaos-arm.h, config/arm/bpabi.h, config/arm/pe.opt,
7745         config/arm/neon-testgen.ml, config/arm/arm.md,
7746         config/arm/xscale-coff.h, config/arm/pe.c,
7747         config/arm/arm-generic.md, config/arm/pe.h,
7748         config/arm/kaos-strongarm.h, config/arm/freebsd.h,
7749         config/arm/neon-docgen.ml, config/arm/netbsd.h, config/arm/fpa.md,
7750         config/arm/strongarm-elf.h, config/arm/cirrus.md,
7751         config/arm/netbsd-elf.h, config/arm/vxworks.h,
7752         config/arm/neon-gen.ml, config/kaos.h, config/darwin-driver.c,
7753         config/pa/predicates.md, config/pa/pa64-hpux.h,
7754         config/pa/pa-hpux.opt, config/pa/som.h, config/pa/pa-hpux1010.opt,
7755         config/pa/pa-hpux1111.opt, config/pa/pa-pro-end.h,
7756         config/pa/elf.h, config/pa/fptr.c, config/pa/pa64-linux.h,
7757         config/pa/pa.md, config/pa/pa.opt, config/pa/pa-hpux.h,
7758         config/pa/pa-hpux10.h, config/pa/pa-hpux11.h,
7759         config/pa/pa-hpux1010.h, config/pa/pa-protos.h,
7760         config/pa/pa-osf.h, config/pa/pa-hpux1111.h, config/pa/pa-64.h,
7761         config/pa/milli64.S, config/pa/pa.c, config/pa/pa-linux.h,
7762         config/pa/pa.h, config/pa/pa32-linux.h, config/pa/pa64-hpux.opt,
7763         config/pa/pa64-regs.h, config/pa/pa-modes.def,
7764         config/pa/constraints.md, config/darwin9.h, config/mips/4100.md,
7765         config/mips/linux.h, config/mips/elfoabi.h, config/mips/elf.h,
7766         config/mips/sdb.h, config/mips/windiss.h, config/mips/rtems.h,
7767         config/mips/3000.md, config/mips/iris5.h, config/mips/5000.md,
7768         config/mips/7000.md, config/mips/9000.md, config/mips/4600.md,
7769         config/mips/linux64.h, config/mips/elforion.h,
7770         config/mips/constraints.md, config/mips/generic.md,
7771         config/mips/predicates.md, config/mips/4300.md,
7772         config/mips/mips-ps-3d.md, config/mips/iris.h, config/mips/24k.md,
7773         config/mips/mips.md, config/mips/mips.opt, config/mips/4k.md,
7774         config/mips/5k.md, config/mips/vr4120-div.S,
7775         config/mips/openbsd.h, config/mips/iris6.h, config/mips/4000.md,
7776         config/mips/mips-protos.h, config/mips/6000.md,
7777         config/mips/mips.c, config/mips/mips.h, config/mips/r3900.h,
7778         config/mips/74k.md, config/mips/netbsd.h, config/mips/vxworks.h,
7779         config/mips/mips-modes.def, config/mips/vr.h,
7780         config/soft-fp/t-softfp, config/openbsd.h, config/ptx4.h,
7781         config/freebsd-spec.h, config/vax/vax.c, config/vax/openbsd.h,
7782         config/vax/vax.h, config/vax/elf.h, config/vax/vax.md,
7783         config/vax/bsd.h, config/vax/vax.opt, config/vax/vax-modes.def,
7784         config/vax/openbsd1.h, config/vax/netbsd.h,
7785         config/vax/vax-protos.h, config/vax/netbsd-elf.h,
7786         config/vax/vaxv.h, config/vax/ultrix.h, config/freebsd.h,
7787         config/h8300/rtems.h, config/h8300/predicates.md,
7788         config/h8300/h8300.c, config/h8300/h8300.h, config/h8300/elf.h,
7789         config/h8300/h8300.md, config/h8300/h8300.opt,
7790         config/h8300/coff.h, config/h8300/h8300-protos.h,
7791         config/v850/v850.md, config/v850/predicates.md,
7792         config/v850/v850-c.c, config/v850/v850.c, config/v850/v850.opt,
7793         config/v850/v850.h, config/v850/v850-protos.h, config/vxworks.c,
7794         config/knetbsd-gnu.h, config/sol2-6.h, config/vxworks.h,
7795         config/mmix/mmix.h, config/mmix/predicates.md,
7796         config/mmix/mmix-protos.h, config/mmix/mmix.md,
7797         config/mmix/mmix.c, config/mmix/mmix.opt,
7798         config/mmix/mmix-modes.def, config/bfin/bfin.opt,
7799         config/bfin/rtems.h, config/bfin/bfin-modes.def,
7800         config/bfin/predicates.md, config/bfin/bfin-protos.h,
7801         config/bfin/bfin.c, config/bfin/bfin.h, config/bfin/bfin.md:
7802         Likewise.
7803
7804 2007-08-02  Richard Sandiford  <richard@codesourcery.com>
7805
7806         * emit-rtl.c (reset_used_decls): Rename to...
7807         (set_used_decls): ...this.  Set the used flag rather than clearing it.
7808         (unshare_all_rtl_again): Update accordingly.  Set flags on argument
7809         DECL_RTLs rather than resetting them.
7810
7811 2007-08-02  Andreas Krebbel  <krebbel1@de.ibm.com>
7812
7813         * config/s390/s390.md ("*xordi3_cconly"): Change xr to xg.
7814
7815 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7816
7817         * reload.c (find_reloads_address_part): Pass correct MEMREFLOC
7818         argument to find_reloads_address.
7819
7820 2007-08-01  Daniel Jacobowitz  <dan@codesourcery.com>
7821
7822         PR tree-optimization/32919
7823         * tree-ssa-sccvn.c (visit_phi): Do not visit abnormal PHIs.
7824         * tree-ssa-coalesce.c (ssa_conflicts_dump): New.
7825         (coalesce_ssa_name): Call it.
7826
7827 2007-08-01  Sandra Loosemore  <sandra@codesourcery.com>
7828             David Ung  <davidu@mips.com>
7829
7830         * config/mips/mips16.S (__mips16_unordsf2, __mips16_floatunsisf): New.
7831         (__mips16_unorddf2, __mips16_floatunsidf): New.
7832         * config/mips/mips.c (mips_init_libfuncs): Add optab entries for
7833         above functions.
7834         * config/mips/t-libgcc-mips16 (LIB1ASMFUNCS): Add new functions.
7835
7836 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7837
7838         * tree-pretty-print.c (dump_generic_node): Dump OMP_SECTIONS_SWITCH.
7839         Display new operands of OMP_SECTIONS and OMP_CONTINUE.
7840         * tree.h (OMP_SECTIONS_CONTROL): New macro.
7841         (OMP_DIRECTIVE_P): Add OMP_SECTIONS_SWITCH.
7842         * omp-low.c (get_ws_args_for, determine_parallel_type,
7843         expand_omp_for_generic, expand_omp_for_static_nochunk,
7844         expand_omp_for_static_chunk, expand_omp_for, expand_omp_sections):
7845         Work with more precise CFG.
7846         (build_omp_regions_1): Handle OMP_SECTIONS_SWITCH.
7847         (lower_omp_sections): Emit OMP_SECTIONS_SWITCH.  Add arguments to
7848         OMP_CONTINUE.
7849         * tree-gimple.c (is_gimple_stmt): Handle OMP_SECTIONS_SWITCH.
7850         * gimple-low.c (lower_stmt): Ditto.
7851         * tree-inline.c (estimate_num_insns_1): Ditto.
7852         * tree.def (OMP_SECTIONS, OMP_CONTINUE): Added new operands.
7853         (OMP_SECTIONS_SWITCH): New.
7854         * tree-cfgcleanup.c (cleanup_omp_return): New.
7855         (cleanup_tree_cfg_bb): Call cleanup_omp_return.
7856         * tree-cfg.c (make_edges): Create back edges for OMP_CONTINUE
7857         and exit edge for OMP_FOR.  Handle OMP_SECTIONS_SWITCH.
7858         (tree_redirect_edge_and_branch): Handle omp constructs.
7859
7860         * fortran/trans-openmp.c (gfc_trans_omp_sections): Build OMP_SECTIONS
7861         with three arguments.
7862
7863 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7864
7865         * tree-cfg.c (tree_merge_blocks): Preserve loop exit phi nodes only
7866         in loop closed ssa.
7867
7868 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7869
7870         * tree-ssa-threadupdate.c (thread_through_all_blocks): Record that
7871         the loop structures may need fixing.
7872         * tree-cfgcleanup.c (cleanup_tree_cfg_noloop, repair_loop_structures):
7873         New functions.
7874         (cleanup_tree_cfg_loop): Removed.
7875         (cleanup_tree_cfg): If loops need fixing, call repair_loop_structures.
7876         * tree-predcom.c (tree_predictive_commoning): Return TODO_cleanup_cfg
7877         instead of running cleanup_tree_cfg_loop.
7878         * cfgloop.h (LOOPS_NEED_FIXUP): New constant.
7879         * tree-flow.h (cleanup_tree_cfg_loop): Declaration removed.
7880         (tree_predictive_commoning): Declaration changed.
7881         * passes.c (execute_function_todo): Do not use cleanup_tree_cfg_loop.
7882
7883 2007-08-01  Zdenek Dvorak  <ook@ucw.cz>
7884
7885         * doc/invoke.texi (l1-cache-size): Update documentation.
7886         (l2-cache-size): Document.
7887         * params.h (L2_CACHE_SIZE): New macro.
7888         * tree-ssa-loop-prefetch.c (L1_CACHE_SIZE_BYTES): Reflect
7889         that L1_CACHE_SIZE is in kB now.
7890         (L2_CACHE_SIZE_BYTES): New macro.
7891         (tree_ssa_prefetch_arrays): Show size in kB.
7892         * config/i386/i386.h (struct processor_costs): Add l1_cache_size
7893         and l2_cache_size fields.
7894         * config/i386/driver-i386.c (describe_cache): Detect cache size
7895         in kB.
7896         * config/i386/i386.c (size_cost, i386_cost, i486_cost,pentium_cost,
7897         pentiumpro_cost, geode_cost, k6_cost, athlon_cost, k8_cost,
7898         amdfam10_cost, pentium4_cost, nocona_cost, core2_cost,
7899         generic64_cost, generic32_cost): Add l1_cache_size and l2_cache_size.
7900         (override_options): Set l1-cache-size and l2-cache-size to default
7901         values if not specified otherwise.
7902         * params.def (PARAM_L1_CACHE_SIZE): Change to set in kB.
7903         (PARAM_L2_CACHE_SIZE): New.
7904
7905 2007-08-01  Nigel Stephens  <nigel@mips.com>
7906             David Ung  <davidu@mips.com>
7907             Thiemo Seufer  <ths@mips.com>
7908             Chris Dearman  <chris@mips.com>
7909             Richard Sandiford  <richard@codesourcery.com>
7910
7911         * config.gcc (mips*-sde-elf*): New stanza.
7912         (mipsisa32-*-elf*, mipsisa32el-*-elf*, mipsisa32r2-*-elf*)
7913         (mipsisa32r2el-*-elf*, mipsisa64-*-elf*, mipsisa64el-*-elf*)
7914         (mipsisa64sb1-*-elf*, mipsisa64sb1el-*-elf*, mips-*-elf*)
7915         (mipsel-*-elf*, mips64-*-elf*, mips64el-*-elf*, mips64orion-*-elf*)
7916         (mips64orionel-*-elf*, mips*-*-rtems*, mips-wrs-windiss)
7917         (mipstx39-*-elf*, mipstx39el-*-elf*): Add mips/t-libgcc-mips16
7918         to tmake_file.
7919         * config/mips/sde.h: New file.
7920         * config/mips/t-libgcc-mips16: Likewise.
7921         * config/mips/t-sde: Likewise.
7922         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove settings
7923         of _ABIN32, _ABI64, _ABIO32, _MIPS_SIM, _MIPS_SZLONG, _MIPS_SZPTR,
7924         _MIPS_FPSET and _MIPS_SZINT.
7925         * config/mips/iris.h (TARGET_OS_CPP_BUILTINS): Likewise.
7926         * config/mips/elfoabi.h (DRIVER_SELF_SPECS): Remove separate
7927         insertion of a default -mips option.  Use MIPS_32BIT_OPTION_SPEC.
7928         * config/mips/t-isa3264 (LIB1ASMSRC, LIB1ASMFUNCS): Delete.
7929         * config/mips/t-r3900 (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7930         * config/mips/t-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
7931         * config/mips/mips.h (TARGET_CPU_CPP_BUITINS): Define _ABIO32,
7932         _ABIN32, _ABI64, _ABIO64, _MIPS_SIM, _MIPS_SZINT, _MIPS_SZLONG,
7933         _MIPS_SZPTR and _MIPS_FPSET.
7934         (MIPS_ISA_LEVEL_SPEC): Inject the default -mips option if no
7935         architecture is specified.
7936         (MIPS_32BIT_OPTION_SPEC): New macro.
7937
7938 2007-07-31  Dan Hipschman  <dsh@google.com>
7939
7940         * gcc.c (end_going_arg): New function.
7941         (do_spec_2): Use it.
7942         (do_spec_1): Use it.
7943
7944 2007-07-31  H.J. Lu  <hongjiu.lu@intel.com>
7945
7946         * ddg.c (add_cross_iteration_register_deps): Declare bb_info
7947         only if ENABLE_CHECKING is defined.
7948
7949 2007-07-31  Kenneth Zadeck <zadeck@naturalbridge.com>
7950
7951         * df.h (DF_RU, DF_RU_BB_INFO, df_ru_bb_info, df_ru,
7952         df_ru_add_problem, df_ru_get_bb_info): Removed.
7953         (DF_RD, DF_UREC, DF_CHAIN, DF_NOTE): Renumbered.
7954         * df-problems.c (df_ru_problem_data, df_ru_set_bb_info,
7955         df_ru_free_bb_info, df_ru_alloc,
7956         df_ru_bb_local_compute_process_def,
7957         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7958         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7959         df_ru_transfer_function, df_ru_free, df_ru_start_dump,
7960         df_ru_top_dump, df_ru_bottom_dump, df_problem problem_RU,
7961         df_ru_add_problem): Removed.
7962
7963 2007-07-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7964
7965         PR target/32847
7966         * pa.md (casesi32): Use match_scratch.  Revise insn condition.
7967         (casesi32p, casesi64p): Likewise.
7968         (casesi): Adjust for above.
7969
7970 2007-07-31  Richard Sandiford  <richard@codesourcery.com>
7971
7972         * mode-switching.c (create_pre_exit): Don't search past calls.
7973
7974 2007-07-31  Sandra Loosemore  <sandra@codesourcery.com>
7975
7976         * config/mips/mips.h (ISA_HAS_SYNCI): Add !TARGET_MIPS16 test.
7977
7978 2007-07-31  Revital Eres  <eres@il.ibm.com>
7979
7980         * ddg.c (add_deps_for_def): Rename to...
7981         (add_cross_iteration_register_deps): This.  Change implementation
7982         to use only reaching def and def-use chains to construct the
7983         inter loop dependencies.
7984         (add_deps_for_use): Remove function.
7985         (build_inter_loop_deps): Call add_cross_iteration_register_deps
7986         function to build the inter loop dependencies.
7987         * modulo-sched.c (sms_schedule): Build only
7988         reaching def and def-use chains for the propose of the ddg
7989         construction.
7990
7991 2007-07-31  Julian Brown  <julian@codesourcery.com>
7992
7993         * config/arm/neon.md (vec_set<mode>_internal, vec_setv2di_internal):
7994         New define_insns. Use correct RTL.
7995         (vec_set<mode>): Write as expander.
7996
7997 2007-07-31  Razya Ladelsky  <razya@il.ibm.com>
7998
7999         * matrix-reorg.c (analyze_matrix_allocation_site): Avoid referring
8000         to an unallocated space.
8001
8002 2007-07-30  Jan Sjodin  <jan.sjodin@amd.com>
8003
8004         * tree-data-ref.c
8005         (split_constant_offset): Enable split_constant_offset to extract
8006         constants from other statements.
8007         * tree-vect-transform.c
8008         (vect_create_addr_base_for_vector_ref): Generate data_ref_base
8009         to a temp var. Force base_offset to be simple.
8010
8011 2007-07-30  Seongbae Park <seongbae.park@gmail.com>
8012
8013         * df-scan.c (df_scan_verify): Remove artificial limit on
8014         the number of blocks for verification.
8015         * df-problems.c (df_lr_bb_local_compute, df_simulate_find_defs,
8016         df_simulate_defs): Avoid unnecessary insn checking for defs.
8017
8018 2007-07-29  Mark Mitchell  <mark@codesourcery.com>
8019
8020         * config/m68k/lb1sf68.asm (FUNC): New macro.
8021         (__mulsi3): Use it.
8022         (__udivsi3): Likewise.
8023         (__divsi3): Likewise.
8024         (__umodsi3): Likewise.
8025         (__modsi3): Likewise.
8026         (__subdf3): Likewise.
8027         (__adddf3): Likewise.
8028         (__muldf3): Likewise.
8029         (__divdf3): Likewise.
8030         (__negdf2): Likewise.
8031         (__cmpdf2): Likewise.
8032         (__subsf3): Likewise.
8033         (__addsf3): Likewise.
8034         (__mulsf3): Likewise.
8035         (__divsf3): Likewise.
8036         (__negsf2): Likewise.
8037         (__cmpsf2): Likewise.
8038         (__eqdf2): Likewise.
8039         (__nedf2): Likewise.
8040         (__gtdf2): Likewise.
8041         (__gedf2): Likewise.
8042         (__ltdf2): Likewise.
8043         (__ledf2): Likewise.
8044         (__eqsf2): Likewise.
8045         (__nesf2): Likewise.
8046         (__gtsf2): Likewise.
8047         (__gesf2): Likewise.
8048         (__ltsf2): Likewise.
8049         (__lesf2): Likewise.
8050
8051 2007-07-30  Ollie Wild  <aaw@google.com>
8052
8053         * c-ppoutput.c (print_lines_directives_only): New function.
8054         (scan_translation_unit_directives_only): New function.
8055         (preprocess_file): Add call to scan_translation_unit_directives_only.
8056         * c-opts.c (c_common_handle_option): Add OPT_fdirectives_only.
8057         (sanitize_cpp_opts): Add default flag_dump_macros setting for
8058         -fdirectives-only.  Add errors for -fdirectives-only conflict with
8059         -Wunused-macros and -traditional.
8060         (finish_options): Add builtin macro initialization for
8061         -fdirectives-only + -fpreprocessed.
8062         * c.opt (fdirectives-only): New.
8063         * doc/cppopts.texi (fdirectives-only): New.
8064
8065 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8066
8067         * alias.c (record_set, memory_modified_1): Constify.
8068         * bt-load.c (note_btr_set): Likewise.
8069         * caller-save.c (mark_set_regs, add_stored_regs): Likewise.
8070         * combine.c (set_nonzero_bits_and_sign_copies,
8071         expand_field_assignment, record_dead_and_set_regs_1,
8072         use_crosses_set_p, reg_dead_at_p_1, can_combine_p,
8073         likely_spilled_retval_1): Likewise.
8074         * config/frv/frv.c (frv_registers_update_1, frv_io_check_address,
8075         frv_io_handle_set): Likewise.
8076         * config/mips/mips.c (mips_sim_record_set,
8077         vr4130_true_reg_dependence_p_1): Likewise.
8078         * config/mt/mt.c (insn_dependent_p_1): Likewise.
8079         * config/s390/s390.c (s390_reg_clobbered_rtx): Likewise.
8080         * config/sh/sh.c (flow_dependent_p_1): Likewise.
8081         * cselib.c (cselib_invalidate_rtx_note_stores): Likewise.
8082         * dce.c (mark_nonreg_stores_1, mark_nonreg_stores_2): Likewise.
8083         * ddg.c (mark_mem_store): Likewise.
8084         * df-problems.c (df_urec_mark_reg_change): Likewise.
8085         * function.c (update_epilogue_consts): Likewise.
8086         * gcse.c (record_set_info, record_last_set_info,
8087         mems_conflict_for_gcse_p, canon_list_insert, reg_set_info,
8088         reg_clear_last_set): Likewise.
8089         * global.c (mark_reg_store, mark_reg_clobber, reg_becomes_live):
8090         Likewise.
8091         * jump.c (reversed_comparison_code_parts): Likewise.
8092         * local-alloc.c (validate_equiv_mem_from_store, no_equiv,
8093         reg_is_set): Likewise.
8094         * loop-iv.c (mark_altered): Likewise.
8095         * mode-switching.c (reg_becomes_live): Likewise.
8096         * optabs.c (no_conflict_move_test): Likewise.
8097         * postreload-gcse.c (record_last_set_info, find_mem_conflicts):
8098         Likewise.
8099         * postreload.c (reload_combine_note_store, move2add_note_store):
8100         Likewise.
8101         * regmove.c (flags_set_1): Likewise.
8102         * regrename.c (note_sets, kill_clobbered_value, kill_set_value):
8103         Likewise.
8104         * reload1.c (mark_not_eliminable, forget_old_reloads_1):
8105         Likewise.
8106         * resource.c (update_live_status): Likewise.
8107         * rtl.h (set_of, note_stores): Likewise.
8108         * rtlanal.c (set_of_1, parms_set, struct set_of_data, set_of,
8109         note_stores, parms_set): Likewise.
8110         * sched-rgn.c (sets_likely_spilled_1): Likewise.
8111         * stack-ptr-mod.c (notice_stack_pointer_modification_1):
8112         Likewise.
8113         * var-tracking.c (count_stores, add_stores): Likewise.
8114
8115 2007-07-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8116
8117         * alias.c (mems_in_disjoint_alias_sets_p,
8118         fixed_scalar_and_varying_struct_p, aliases_everything_p,
8119         nonoverlapping_component_refs_p, nonoverlapping_memrefs_p,
8120         write_dependence_p, mems_in_disjoint_alias_sets_p,
8121         read_dependence, true_dependence, canon_true_dependence,
8122         anti_dependence, output_dependence): Constify.
8123         * combine.c (extended_count): Likewise.
8124         * cse.c (cse_rtx_varies_p, hash_rtx, exp_equiv_p): Likewise.
8125         * cselib.c (get_value_hash, references_value_p,
8126         cselib_reg_set_mode, cselib_rtx_varies_p): Likewise.
8127         * cselib.h (cselib_reg_set_mode, references_value_p): Likewise.
8128         * emit-rtl.c (mem_expr_equal_p, active_insn_p): Likewise.
8129         * function.c (contains, prologue_epilogue_contains,
8130         sibcall_epilogue_contains): Likewise.
8131         * jump.c (simplejump_p, condjump_p, condjump_in_parallel_p,
8132         pc_set, any_uncondjump_p, any_condjump_p, onlyjump_p,
8133         only_sets_cc0_p, sets_cc0_p, rtx_renumbered_equal_p, true_regnum,
8134         reg_or_subregno): Likewise.
8135         * recog.c (asm_noperands): Likewise.
8136         * reload1.c (function_invariant_p): Likewise.
8137         * rtl.h (mem_expr_equal_p, active_insn_p, rtx_varies_p,
8138         rtx_addr_varies_p, asm_noperands, exp_equiv_p, hash_rtx,
8139         condjump_p, any_condjump_p, any_uncondjump_p, pc_set,
8140         simplejump_p, onlyjump_p, only_sets_cc0_p, sets_cc0_p,
8141         true_regnum, reg_or_subregno, condjump_in_parallel_p,
8142         extended_count, prologue_epilogue_contains,
8143         sibcall_epilogue_contains, function_invariant_p, true_dependence,
8144         canon_true_dependence, read_dependence, anti_dependence,
8145         output_dependence): Likewise.
8146         * rtlanal.c (rtx_varies_p, rtx_addr_varies_p): Likewise.
8147
8148 2007-07-30  Julian Brown  <julian@codesourcery.com>
8149
8150         * config/arm/neon.md (V_ext): New mode attribute.
8151         (neon_vget_lane<mode>): Replace with define_expand.
8152         (neon_vget_lane<mode>_sext_internal)
8153         (neon_vget_lane<mode>_zext_internal): New define_insns for double
8154         and quad precision vectors.
8155         (neon_vget_lanedi): Add bounds check. Remove dead comment.
8156         * config/arm/neon.ml (get_lane): Make 32-bit get-lane intrinsics
8157         have typeless 32-bit result.
8158
8159 2007-07-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8160
8161         PR tree-opt/32527
8162         * tree-affine.h (aff_tree): The type of rest is sizetype for types
8163         of pointers.
8164         * tree-affine.c (aff_combination_scale): If type is a pointer type,
8165         use sizetype for rest.
8166         (aff_combination_add_elt): Likewise. Don't specialize pointer types.
8167         (aff_combination_convert): Don't convert rest for pointer types.
8168
8169 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8170
8171         * Makefile.in (tree-ssa-alias.o): Add alloc-pool.h
8172
8173         * tree-ssa-alias.c: Add alloc-pool.h.
8174         (init_alias_info): Free alias_bitmap_obstack.
8175         (delete_alias_info): Call delete_mem_ref_stats.
8176         (get_mem_sym_stats_for): Use alloc_pool.
8177         (init_mem_ref_stats): Do not delete mem_ref_stats here.
8178         (delete_mem_sym_stats): Removed.
8179
8180 2007-07-29  Sebastian Pop  <sebpop@gmail.com>
8181
8182         * tree-data-ref.c (add_multivariate_self_dist): Parametric access
8183         functions cannot be represented as classical distance vectors.
8184
8185 2007-07-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8186
8187         * attribs.c (hash_attr, eq_attr, init_attributes): Constify.
8188         * builtins.c (validate_arg, builtin_mathfn_code,
8189         validate_arglist): Likewise.
8190         * calls.c (call_expr_flags): Likewise.
8191         * combine.c (reg_nonzero_bits_for_combine,
8192         reg_num_sign_bit_copies_for_combine, get_last_value,
8193         reg_truncated_to_mode): Likewise.
8194         * emit-rtl.c (subreg_lowpart_p): Likewise.
8195         * expr.c (highest_pow2_factor_for_target,
8196         categorize_ctor_elements_1, categorize_ctor_elements,
8197         count_type_elements, contains_packed_reference,
8198         highest_pow2_factor, highest_pow2_factor_for_target): Likewise.
8199         * fold-const.c (may_negate_without_overflow_p, int_const_binop,
8200         fold_convertible_p, operand_equal_p, tree_swap_operands_p,
8201         native_encode_int, native_encode_real, native_encode_complex,
8202         native_encode_vector, native_encode_expr, native_interpret_int,
8203         native_interpret_real, native_interpret_complex,
8204         native_interpret_vector, native_interpret_expr): Likewise.
8205         * function.c (use_register_for_decl): Likewise.
8206         * gimplify.c (get_name): Likewise.
8207         * langhooks-def.h (lhd_return_null_const_tree): New.
8208         (LANG_HOOKS_GET_CALLEE_FNDECL): Use it.
8209         * langhooks.c (lhd_return_null_const_tree): New.
8210         * langhooks.h (lang_get_callee_fndecl): Constify.
8211         * output.h (constructor_static_from_elts_p): Likewise.
8212         * rtl-factoring.c (gen_symbol_ref_rtx_for_label): Likewise.
8213         * rtl.h (nonzero_bits, num_sign_bit_copies, truncated_to_mode,
8214         subreg_lowpart_p, noop_move_p, struct rtl_hooks): Likewise.
8215         * rtlanal.c (cached_nonzero_bits, nonzero_bits1,
8216         cached_num_sign_bit_copies, num_sign_bit_copies1, noop_move_p,
8217         nonzero_bits, num_sign_bit_copies, truncated_to_mode): Likewise.
8218         * rtlhooks-def.h (reg_nonzero_bits_general,
8219         reg_num_sign_bit_copies_general, reg_truncated_to_mode_general):
8220         Likewise.
8221         * rtlhooks.c (reg_num_sign_bit_copies_general,
8222         reg_nonzero_bits_general, reg_truncated_to_mode_general):
8223         Likewise.
8224         * stmt.c (warn_if_unused_value, is_body_block): Likewise.
8225         * stor-layout.c (mode_for_size_tree): Likewise.
8226         * tree-ssa-loop-im.c (memref_eq): Likewise.
8227         * tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): Likewise.
8228         * tree.c (contains_placeholder_p, type_list_equal,
8229         simple_cst_equal, get_callee_fndecl, operand_equal_for_phi_arg_p):
8230         Likewise.
8231         * tree.h (tree_int_cst_sign_bit, may_negate_without_overflow_p,
8232         mode_for_size_tree, categorize_ctor_elements, count_type_elements,
8233         contains_placeholder_p, contains_packed_reference,
8234         get_callee_fndecl, operand_equal_for_phi_arg_p,
8235         warn_if_unused_value, is_body_block, native_encode_expr,
8236         native_interpret_expr, fold_convertible_p, operand_equal_p,
8237         int_const_binop, tree_swap_operands_p, builtin_mathfn_code,
8238         validate_arglist, simple_cst_equal, type_list_equal,
8239         use_register_for_decl, call_expr_flags, get_name,
8240         highest_pow2_factor): Likewise.
8241         (const_call_expr_arg_iterator_d,
8242         init_const_call_expr_arg_iterator, next_const_call_expr_arg,
8243         first_const_call_expr_arg, more_const_call_expr_args_p,
8244         FOR_EACH_CONST_CALL_EXPR_ARG): New.
8245         * varasm.c (constructor_static_from_elts_p): Constify.
8246
8247 2007-07-28  Kazu Hirata  <kazu@codesourcery.com>
8248
8249         * cfglayout.c, config/arm/arm.c, config/arm/cortex-a8.md,
8250         config/arm/neon-schedgen.ml, config/arm/neon.ml,
8251         config/arm/vec-common.md, config/ia64/div.md, cselib.c,
8252         df-core.c, df.h, dominance.c, optabs.c, opts.c, reg-stack.c,
8253         regstat.c, target.h, tree-ssa-live.c, tree-ssa-pre.c,
8254         tree-vect-transform.c, tree.def: Fix comment typos.  Follow
8255         spelling conventions.
8256         * doc/invoke.texi: Follow spelling conventions.
8257
8258 2007-07-29  Vladimir Yanovsky  <yanov@il.ibm.com>
8259             Revital Eres  <eres@il.ibm.com>
8260
8261         * modulo-sched.c (sms_schedule): Avoid loops which includes
8262         auto-increment instructions.
8263
8264 2007-07-28  Richard Guenther  <rguenther@suse.de>
8265
8266         PR middle-end/32920
8267         * fold-const.c (fold_cond_expr_with_comparison): Convert
8268         operand zero of MIN/MAX_EXPR to correct type.
8269
8270 2007-07-28  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8271
8272         * calls.c (special_function_p, setjmp_call_p, alloca_call_p,
8273         flags_from_decl_or_type): Constify.
8274         * gcc.c (do_spec_1): Likewise.
8275         * print-tree.c (dump_addr, print_node_brief): Likewise.
8276         * tree-cfg.c (stmt_starts_bb_p, is_ctrl_stmt, computed_goto_p,
8277         simple_goto_p, tree_can_make_abnormal_goto, stmt_starts_bb_p,
8278         tree_purge_all_dead_eh_edges): Likewise.
8279         * tree-flow.h (is_ctrl_stmt, computed_goto_p, simple_goto_p,
8280         tree_can_make_abnormal_goto, tree_purge_all_dead_eh_edges):
8281         Likewise.
8282         * tree.c (expr_location, expr_has_location, expr_locus,
8283         expr_filename, expr_lineno, get_inner_array_type,
8284         fields_compatible_p): Likewise.
8285         * tree.h (get_inner_array_type, fields_compatible_p,
8286         expr_location, expr_has_location, expr_locus, expr_filename,
8287         expr_lineno, dump_addr, print_node_brief, flags_from_decl_or_type,
8288         setjmp_call_p, alloca_call_p): Likewise.
8289
8290 2007-07-28  Daniel Berlin  <dberlin@dberlin.org>
8291
8292         * timevar.def: Add TV_CALL_CLOBBER, TV_FLOW_SENSITIVE,
8293         TV_FLOW_INSENSITIVE.
8294
8295         * tree-ssa-alias.c (compute_call_clobbered): Push/pop
8296         TV_CALL_CLOBBER.
8297         (compute_flow_sensitive_aliasing): Ditto for TV_FLOW_SENSITIVE.
8298         (compute_flow_insensitive_aliasing): Ditto for
8299         TV_FLOW_INSENSITIVE.
8300
8301 2007-07-27  Jan Hubicka  <jh@suse.cz>
8302
8303         * config/i386/i386.c (register_move_cost): Remove accidentally
8304         comitted #if 0 block.
8305
8306         * attribs.c: Include hashtab.h
8307         (attribute_hash): New.
8308         (substring): New structure.
8309         (extract_attribute_substring, substring_hash, hash_attr, eq_attr):
8310         New function.
8311         (init_attributes): Initialize attribute hash.
8312         (decl_attributes): Use attribute hash.
8313         * Makefile.in (attribs.c): Depend on hashtab.h.
8314
8315 2007-07-27  Steve Ellcey  <sje@cup.hp.com>
8316
8317         * config/ia64/vect.md (vec_initv2si): Remove bad BIG_ENDIAN test.
8318
8319 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8320
8321         * doc/invoke.texi (mdsp, mdspr2): Document the __mips_dsp,
8322         __mips_dspr2 and __mips_dsp_rev macros.
8323         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dsp_rev.
8324
8325 2007-07-27  Douglas Gregor  <doug.gregor@gmail.com>
8326
8327        * c-common.h (enum rid): Add RID_DECLTYPE, update RID_LAST_CXX0X.
8328
8329 2007-07-26  Kenneth Zadeck <zadeck@naturalbridge.com>
8330
8331         PR middle-end/32749
8332
8333         * df-problems.c (df_create_unused_note): Removed do_not_gen parm
8334         and the updating of the live and do_not_gen sets.
8335         (df_note_bb_compute): Added updating of live and do_not_gen sets
8336         for regular defs so that the case of clobber inside conditional
8337         call is processed correctly.
8338
8339 2007-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
8340
8341         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Generate the
8342         operands with compatible type.
8343
8344 2007-07-27  Richard Sandiford  <richard@codesourcery.com>
8345
8346         * expr.h (store_bit_field): Don't return a value.
8347         * expmed.c (check_predicate_volatile_ok): New function.
8348         (store_bit_field_1): New function, extracted from store_bit_field.
8349         Take a fallback_p argument and return true if the operation succeeded.
8350         Only use store_fixed_bit_field if fallback_p.  Don't recompute
8351         mode_for_extraction; use op_mode instead.  Try forcing memories
8352         into registers if the insv expander fails.
8353         (store_bit_field): Use store_bit_field_1 with fallback_p true.
8354         Don't return a value.
8355         (convert_extracted_bit_field): New function, extracted from
8356         store_bit_field.
8357         (extract_bit_field_1): Likewise.  Take a fallback_p argument
8358         and return NULL if the operation succeeded.  Only use
8359         extract_fixed_bit_field if fallback_p.  Only calculate one
8360         extraction mode.  Combine code for extv and extzv.  Try forcing
8361         memories into registers if the ext(z)v expander fails.
8362         (extract_bit_field): Use extract_bit_field_1 with fallback_p true.
8363
8364 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8365
8366         * df.h (df_mw_hardreg): Turn df_ref_type and df_ref_flags
8367         into bitfields.
8368         (df_ref): Likewise.  Put regno with other integer fields.
8369
8370 2007-07-27  Richard Sandiford  <rsandifo@nildram.co.uk>
8371
8372         * df.h (df_mw_hardreg): Remove "loc" field.
8373         * df-scan.c (df_ref_record): Don't set it.  Remove redundant
8374         local variable.
8375         * df-problems.c (df_whole_mw_reg_unused_p): New function,
8376         split out from df_set_unused_notes_for_mw.  Return false for
8377         partial references.  Assert that mw_reg is a REG when returning true.
8378         (df_set_unused_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8379         (df_whole_mw_reg_dead_p): New function, split out from
8380         df_set_dead_notes_for_mw.  Return false for partial references.
8381         Assert that mw_reg is a REG when returning true.
8382         (df_set_dead_notes_for_mw): Use it.  Use mw_reg instead of *loc.
8383         Remove redundant bitmap check.
8384
8385 2007-07-26  H.J. Lu  <hongjiu.lu@intel.com>
8386
8387         * config/ia64/t-ia64 ($(T)crtbegin.o): Removed.
8388         ($(T)crtend.o): Likwise.
8389         ($(T)crtbeginS.o): Likwise.
8390         ($(T)crtendS.o): Likwise.
8391         ($(T)crtfastmath.o): Likwise.
8392
8393 2007-07-26  Zdenek Dvorak  <dvorakz@suse.cz>
8394
8395         * dominance.c (dom_computed, n_bbs_in_dom_tree): Removed.
8396         * function.h (dom_computed, n_bbs_in_dom_tree): New macros.
8397         * basic-block.h (struct control_flow_graph): Added x_dom_computed
8398         and x_n_bbs_in_dom_tree fields.
8399
8400 2007-07-26  Steve Ellcey  <sje@cup.hp.com>
8401
8402         PR tree-optimization/32087
8403         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop):
8404         Do not call scale_bbs_frequencies_int with prob of zero.
8405
8406 2007-07-26  Julian Brown  <julian@codesourcery.com>
8407
8408         * config/arm/arm-protos.h (neon_lane_bounds, neon_const_bounds)
8409         (neon_element_bits): Add prototypes.
8410         * config/arm/arm.c (bounds_check, neon_lane_bounds)
8411         (neon_const_bounds, neon_element_bits): New functions.
8412         * config/arm/neon.md (neon_vget_lane<mode>, neon_vget_lanedi)
8413         (neon_vget_lanev2di, neon_vset_lane<mode>, neon_vset_lanedi)
8414         (neon_vset_lanev2di, neon_vdup_lane<mode>, neon_vdup_lanedi)
8415         (neon_vdup_lanev2di, neon_vcvt_n<mode>, neon_vmul_lane<mode>)
8416         (neon_vmull_lane<mode>, neon_vqdmull_lane<mode>)
8417         (neon_vqdmulh_lane<mode>, neon_vmla_lane<mode>)
8418         (neon_vmlal_lane<mode>, neon_vqdmlal_lane<mode>)
8419         (neon_vmls_lane<mode>, neon_vmlsl_lane<mode>)
8420         (neon_vqdmlsl_lane<mode>, neon_vext<mode>, neon_vshr_n<mode>)
8421         (neon_vshrn_n<mode>, neon_vqshrn_n<mode>, neon_vqshrun_n<mode>)
8422         (neon_vshl_n<mode>, neon_vshl_n<mode>, neon_vqshl_n<mode>)
8423         (neon_vqshlu_n<mode>, neon_vshll_n<mode>, neon_vsra_n<mode>)
8424         (neon_vsri_n<mode>, neon_vsli_n<mode>): Add bounds checks.
8425
8426 2007-07-26  Nathan Froyd  <froydnj@codesourcery.com>
8427
8428         * config/vxworks.h (VXWORKS_LINK_SPEC): Fix typo.
8429         (HAVE_AS_GNU_ATTRIBUTE): Undefine.
8430
8431 2007-07-26  Mark Shinwell  <shinwell@codesourcery.com>
8432             Julian Brown  <julian@codesourcery.com>
8433
8434         * config/arm/arm.c (arm_mac_accumulator_is_mul_result): New.
8435         * config/arm/arm-protos.h (arm_mac_accumulator_is_mul_result): New.
8436         * config/arm/cortex-a8.md: New.
8437         * config/arm/cortex-a8-neon.md: New.
8438         * config/arm/neon-schedgen.ml: New.
8439         * config/arm/neon.md (vqh_mnem): New.
8440         (neon_type): New.
8441         (Is_float_mode): New.
8442         (Scalar_mul_8_16): New.
8443         (Is_d_reg): New.
8444         (V_mode_nunits): New.
8445         (All instruction patterns): Annotate with neon_type attribute
8446         values.
8447         * config/arm/arm.md: Include cortex-a8.md.
8448         (insn): Add smmla, umaal, smlald, smlsld, clz, mrs, msr and xtab
8449         values.
8450         Annotate instruction patterns accordingly.
8451         (generic_sched): Do not use generic scheduling for Cortex-A8.
8452         (generic_vfp): Do not use generic VFP scheduling for Cortex-A8.
8453
8454 2007-07-26  Daniel Jacobowitz  <dan@codesourcery.com>
8455
8456         * fold-const.c (fold_read_from_constant_string): Use
8457         build_int_cst_type.
8458         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8459
8460 2007-07-26  Nick Clifton  <nickc@redhat.com>
8461
8462         * tree-ssa-operands.h: Change copyright header to refer to version
8463         3 of the GNU General Public License and to point readers at the
8464         COPYING3 file and the FSF's license web page.
8465         * tree-vrp.c, regrename.c, attribs.c, loop-unswitch.c,
8466         sched-ebb.c, fwprop.c, tree-loop-linear.c, dwarf2asm.c,
8467         tree-into-ssa.c, dwarf2asm.h, tree-ssa-loop-im.c, sbitmap.c,
8468         targhooks.c, tree-dump.c, tree-complex.c, sbitmap.h, targhooks.h,
8469         tree-dump.h, regstat.c, see.c, machmode.h, hooks.c, cgraphbuild.c,
8470         hooks.h, genrecog.c, tree-ssa-threadupdate.c, gen-protos.c,
8471         flags.h, rtlhooks.c, gencheck.c, tree-ssa-loop-niter.c,
8472         opts-common.c, dbgcnt.def, tree-pretty-print.c, tracer.c,
8473         gengtype.c, mkconfig.sh, gengtype.h, tree-ssa-loop-unswitch.c,
8474         cgraph.c, c-lex.c, cgraph.h, libfuncs.h, cfgloopmanip.c,
8475         rtl-error.c, optabs.c, postreload-gcse.c, tree-ssa-loop-manip.c,
8476         optabs.h, genmddeps.c, defaults.h, postreload.c, value-prof.c,
8477         tree-ssa-loop-ch.c, tree-tailcall.c, gengenrtl.c, value-prof.h,
8478         genopinit.c, tree.c, tree.h, reload.c, tree-pass.h, ipa-cp.c,
8479         reload.h, bitmap.c, bitmap.h, tree-scalar-evolution.c,
8480         c-config-lang.in, tree-scalar-evolution.h, target.h, cppspec.c,
8481         rtlanal.c, ddg.c, lambda-mat.c, mips-tdump.c, ddg.h,
8482         tree-phinodes.c, mips-tfile.c, pointer-set.c, pointer-set.h,
8483         diagnostic.c, final.c, diagnostic.h, builtins.c, genoutput.c,
8484         gcc.c, lists.c, tree-ssa-alias-warnings.c, gcc.h, cfghooks.c,
8485         input.h, gensupport.c, fold-const.c, cfghooks.h, insn-notes.def,
8486         gensupport.h, builtin-attrs.def, sync-builtins.def, params.c,
8487         cfgloopanal.c, params.h, graphds.c, omp-low.c, tree-ssa-dse.c,
8488         graphds.h, gcov.c, cfg.c, genextract.c, ipa-reference.c,
8489         genautomata.c, tree-ssa-uncprop.c, auto-inc-dec.c, toplev.c,
8490         tree-gimple.c, ipa-reference.h, vmsdbgout.c, errors.c, toplev.h,
8491         reorg.c, tree-gimple.h, tree-chrec.c, pretty-print.c, errors.h,
8492         real.c, tree-chrec.h, pretty-print.h, debug.c, real.h, genemit.c,
8493         omega.c, c-cppbuiltin.c, genmultilib, debug.h, omega.h,
8494         tree-ssa-sccvn.c, genconfig.c, tree-ssa-sccvn.h, cgraphunit.c,
8495         regs.h, df-scan.c, vec.c, hosthooks-def.h, vec.h,
8496         tree-ssa-copyrename.c, scan.c, builtin-types.def, tree-ssa-ccp.c,
8497         scan.h, mode-classes.def, haifa-sched.c, dominance.c, dojump.c,
8498         double-int.c, gcov-io.c, dbxout.c, builtins.def, double-int.h,
8499         dbxout.h, tree-ssa-loop-ivopts.c, df-core.c, mode-switching.c,
8500         gengtype-lex.l, tree-nomudflap.c, modulo-sched.c, c-objc-common.c,
8501         hosthooks.h, c-objc-common.h, caller-save.c, graph.c,
8502         ipa-pure-const.c, graph.h, c-format.c, cse.c, fix-header.c,
8503         c-format.h, web.c, tree-stdarg.c, genpeep.c, tree-stdarg.h,
8504         tree-ssa-math-opts.c, xcoffout.c, tree-ssa-dom.c, tree-nrv.c,
8505         xcoffout.h, tree-ssa-propagate.c, ipa-utils.c,
8506         tree-ssa-propagate.h, tree-ssa-alias.c, loop-init.c, ipa-utils.h,
8507         gimple-low.c, rtl.def, c-tree.h, tree-ssa-sink.c, ipa-inline.c,
8508         mkmap-symver.awk, machmode.def, c-pch.c, cfganal.c, global.c,
8509         alloc-pool.c, c-semantics.c, alloc-pool.h, jump.c, ifcvt.c,
8510         dwarf2out.c, expr.c, cfgbuild.c, tree-browser.c, dwarf2out.h,
8511         expr.h, longlong.h, opts.c, gcov-iov.c, opts.h, dwarf2.h,
8512         genattrtab.c, genconditions.c, genattr.c, optc-gen.awk,
8513         timevar.def, tree-ssa-loop-ivcanon.c, hard-reg-set.h, predict.c,
8514         tree-ssa-loop.c, host-default.c, predict.h, recog.c, dbgcnt.c,
8515         recog.h, dbgcnt.h, c-aux-info.c, tree-ssa-address.c, timevar.c,
8516         dse.c, lcm.c, tree-ssa-ifcombine.c, timevar.h, dse.h,
8517         matrix-reorg.c, tree-vn.c, treestruct.def, fp-test.c, c-decl.c,
8518         tree-eh.c, c-errors.c, c-pretty-print.c, regmove.c,
8519         lambda-trans.c, c-pretty-print.h, et-forest.c, et-forest.h,
8520         ebitmap.c, configure.ac, local-alloc.c, function.c, langhooks.c,
8521         ebitmap.h, cppdefault.c, tree-vectorizer.c, function.h,
8522         langhooks.h, print-rtl.c, cppdefault.h, df.h, tree-vectorizer.h,
8523         sdbout.c, stor-layout.c, sdbout.h, rtlhooks-def.h, read-rtl.c,
8524         gcse.c, ipa-type-escape.c, vmsdbg.h, alias.c, gengtype-parse.c,
8525         ipa-type-escape.h, domwalk.c, alias.h, tree-if-conv.c, profile.c,
8526         init-regs.c, domwalk.h, ipa.c, gccbug.in, tree-data-ref.c,
8527         loop-unroll.c, tree-data-ref.h, tree-flow-inline.h, tree-affine.c,
8528         mkmap-flat.awk, tree-affine.h, tree-vect-analyze.c, c.opt, ggc.h,
8529         opt-gather.awk, c-typeck.c, gimplify.c, coretypes.h, exec-tool.in,
8530         insn-addr.h, tree-ssa-phiopt.c, c-pragma.c, c-pragma.h, calls.c,
8531         tree-ssa-coalesce.c, genmodes.c, loop-doloop.c, predict.def,
8532         dwarf.h, tree.def, rtl-factoring.c, lower-subreg.c, expmed.c,
8533         bt-load.c, ggc-common.c, genflags.c, tree-dfa.c, except.c,
8534         coverage.c, except.h, emit-rtl.c, cfgexpand.c, coverage.h,
8535         stringpool.c, cselib.c, emit-rtl.h, tree-cfgcleanup.c, c-opts.c,
8536         cselib.h, cfgcleanup.c, simplify-rtx.c, tree-ssa-pre.c, explow.c,
8537         tree-ssa-live.c, tree-sra.c, tree-ssa-live.h, tree-predcom.c,
8538         loop-invariant.c, genpreds.c, protoize.c, opth-gen.awk, c-dump.c,
8539         lambda.h, loop-iv.c, tree-mudflap.c, ipa-prop.c, print-tree.c,
8540         tree-mudflap.h, tree-ssa-copy.c, ipa-prop.h, cfglayout.c,
8541         tree-ssa-forwprop.c, c-convert.c, cfglayout.h, common.opt,
8542         ggc-zone.c, ggc-page.c, c-omp.c, tree-ssa-dce.c, gencodes.c,
8543         varasm.c, tree-vect-patterns.c, libada-mk.in, tree-ssa-ter.c,
8544         sched-deps.c, tree-nested.c, c-ppoutput.c, tree-ssa.c,
8545         target-def.h, tree-ssa-loop-prefetch.c, lambda-code.c,
8546         omp-builtins.def, rtl.c, regclass.c, stab.def, intl.c, rtl.h,
8547         intl.h, tree-inline.c, conditions.h, tree-inline.h, integrate.c,
8548         sched-int.h, tree-iterator.c, integrate.h, tree-iterator.h,
8549         genchecksum.c, tree-optimize.c, output.h, tree-vect-transform.c,
8550         tree-object-size.c, combine.c, tree-outof-ssa.c, addresses.h,
8551         bb-reorder.c, stack-ptr-mod.c, resource.c, var-tracking.c,
8552         cfgloop.c, system.h, resource.h, ggc-none.c, tree-profile.c,
8553         cfgloop.h, c-gimplify.c, c-common.c, opt-functions.awk,
8554         tree-vect-generic.c, tree-flow.h, df-problems.c, scan-decls.c,
8555         c-common.h, config.gcc, reg-stack.c, tlink.c, main.c, stub-objc.c,
8556         fixproto, config.host, Makefile.in, gccspec.c, sched-rgn.c,
8557         vecprim.h, basic-block.h, tree-ssa-structalias.c,
8558         tree-ssa-structalias.h, c-common.def, sched-vis.c, tree-cfg.c,
8559         passes.c, genconstants.c, c-incpath.c, c-incpath.h,
8560         struct-equiv.c, c-parser.c, tree-ssa-reassoc.c, varray.c, sreal.c,
8561         varray.h, dfp.c, sreal.h, combine-stack-adj.c, dfp.h,
8562         reg-notes.def, cfgrtl.c, config.build, varpool.c, gengtype-yacc.y,
8563         stmt.c, dce.c, tree-browser.def, prefix.c, statistics.h,
8564         params.def, dce.h, c-lang.c, gcov-dump.c, prefix.h,
8565         tree-ssanames.c, collect2.c, collect2.h, tree-ssa-threadedge.c,
8566         convert.c, convert.h, langhooks-def.h, reload1.c,
8567         tree-ssa-operands.c: Likewise.
8568
8569 2007-07-26  Jan Hubicka  <jh@suse.cz>
8570
8571         * tree-ssa-live.c: Include debug.h and flags.h.
8572         (mark_scope_block_unused): New function.
8573         (remove_unused_scope_block_p): New function.
8574         (remove_unused_locals): Remove unused blocks too.
8575
8576 2007-07-25  Ian Lance Taylor  <iant@google.com>
8577
8578         * combine.c (combine_max_regno): Remove.  Remove all uses.
8579         (struct reg_stat_struct): Rename from struct reg_stat.
8580         (reg_stat_type): Define, and declare VECs.
8581         (reg_stat): Change from pointer to VEC.  Change all uses.
8582         (combine_split_insns): New static function.
8583         (try_combine, find_split_point): Call it instead of split_insns.
8584
8585 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8586
8587         * cfghooks.c (split_block): Fix the information about loop latch.
8588
8589 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8590
8591         * cfgloopmanip.c (fix_loop_structure): Call force_single_succ_latches.
8592
8593 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
8594
8595         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
8596         Scan the new edge for loop exit info.
8597
8598 2007-07-25  Andreas Tobler  <a.tobler@schweiz.org>
8599
8600         * config/darwin.c: Include debug.h.
8601
8602 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8603
8604         PR target/32218
8605         * tree-vect-patterns.c (vect_pattern_recog_1): Check for valid type.
8606
8607 2007-07-25  Steve Ellcey  <sje@cup.hp.com>
8608
8609         * config/ia64/ia64.h (HARD_REGNO_NREGS): Handle RFmode.
8610         (HARD_REGNO_MODE_OK): Ditto.
8611         (MODES_TIEABLE_P): Ditto.
8612         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
8613         (CLASS_MAX_NREGS): Ditto.
8614         * config/ia64/ia64.c (ia64_print_operand_address): Add R format.
8615         * config/ia64/ia64.md (divsf3_internal_thr): Removed.
8616         (divdf3_internal_thr): Removed.
8617         * config/ia64/div.md: New file.
8618         * config/ia64/constraints.md: Add H constraint.
8619
8620 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8621
8622         * sbitmap.c (sbitmap_verify_popcount, sbitmap_alloc_with_popcount,
8623         sbitmap_copy, sbitmap_copy_n, sbitmap_equal, sbitmap_empty_p,
8624         sbitmap_union_of_diff_cg, sbitmap_union_of_diff, sbitmap_not,
8625         sbitmap_difference, sbitmap_any_common_bits, sbitmap_a_and_b_cg,
8626         sbitmap_a_and_b, sbitmap_a_xor_b_cg, sbitmap_a_xor_b,
8627         sbitmap_a_or_b_cg, sbitmap_a_or_b, sbitmap_a_subset_b_p,
8628         sbitmap_a_or_b_and_c_cg, sbitmap_a_or_b_and_c,
8629         sbitmap_a_and_b_or_c_cg, sbitmap_a_and_b_or_c,
8630         sbitmap_first_set_bit, sbitmap_last_set_bit, dump_sbitmap,
8631         dump_sbitmap_file, debug_sbitmap, popcount_table,
8632         sbitmap_popcount): Constify.
8633         * sbitmap.h (const_sbitmap, const_sbitmap_ptr): New.
8634         (sbitmap_iterator, sbitmap_iter_init, dump_sbitmap,
8635         dump_sbitmap_file, sbitmap_copy, sbitmap_copy_n, sbitmap_equal,
8636         sbitmap_empty_p, sbitmap_union_of_diff, sbitmap_union_of_diff_cg,
8637         sbitmap_difference, sbitmap_not, sbitmap_a_or_b_and_c,
8638         sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c,
8639         sbitmap_a_and_b_or_c_cg, sbitmap_any_common_bits, sbitmap_a_and_b,
8640         sbitmap_a_and_b_cg, sbitmap_a_or_b, sbitmap_a_or_b_cg,
8641         sbitmap_a_xor_b, sbitmap_a_xor_b_cg, sbitmap_a_subset_b_p,
8642         sbitmap_first_set_bit, sbitmap_last_set_bit, debug_sbitmap,
8643         sbitmap_popcount, sbitmap_verify_popcount): Constify.
8644
8645 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8646
8647         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_element_zerop,
8648         bitmap_copy, bitmap_clear_bit, popcount_table, bitmap_count_bits,
8649         bitmap_first_set_bit, bitmap_and, bitmap_and_into,
8650         bitmap_elt_copy, bitmap_and_compl, bitmap_and_compl_into,
8651         bitmap_compl_and_into, bitmap_elt_ior, bitmap_ior,
8652         bitmap_ior_into, bitmap_xor, bitmap_xor_into, bitmap_equal_p,
8653         bitmap_intersect_p, bitmap_intersect_compl_p,
8654         bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8655         debug_bitmap_file, debug_bitmap, bitmap_print, bitmap_hash):
8656         Constify.
8657         * bitmap.h (bitmap_copy, bitmap_equal_p, bitmap_intersect_p,
8658         bitmap_intersect_compl_p, bitmap_count_bits, bitmap_and,
8659         bitmap_and_into, bitmap_and_compl, bitmap_and_compl_into,
8660         bitmap_compl_and_into, bitmap_ior, bitmap_ior_into, bitmap_xor,
8661         bitmap_xor_into, bitmap_ior_and_compl, bitmap_ior_and_compl_into,
8662         debug_bitmap, debug_bitmap_file, bitmap_print,
8663         bitmap_first_set_bit, bitmap_hash, bmp_iter_set_init,
8664         bmp_iter_and_init, bmp_iter_and_compl_init): Likewise.
8665
8666 2007-07-25  Daniel Berlin  <dberlin@dberlin.org>
8667
8668         * config/darwin.c (darwin_override_options): Additional fix for
8669         debug info formats that don't support var tracking.
8670
8671 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8672
8673         * cselib.c (entry_and_rtx_equal_p): Constify.
8674         * gengtype.c (output_mangled_typename, write_types, write_local):
8675         Likewise.
8676         * gengtype.h (const_type_p): New.
8677         * see.c (eq_descriptor_extension, hash_descriptor_extension):
8678         Constify.
8679         * tlink.c (scan_linker_output): De-constify.
8680         * tree-ssa-loop-im.c (memref_eq): Constify.
8681         * tree-ssa-structalias.c (const_shared_bitmap_info_t): New.
8682         (shared_bitmap_hash, shared_bitmap_eq): Constify.
8683
8684 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8685
8686         * c-common.c (fname_as_string, c_type_hash): Constify.
8687         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8688         * cgraph.c (edge_hash, edge_eq): Likewise.
8689         * dwarf2out.c (decl_die_table_eq, decl_loc_table_eq): Likewise.
8690         * emit-rtl.c (mem_attrs_htab_eq, reg_attrs_htab_hash,
8691         reg_attrs_htab_eq): Likewise.
8692         * except.c (t2r_eq, t2r_hash, ttypes_filter_eq, ehl_hash, ehl_eq):
8693         Likewise.
8694         * genautomata.c (const_reserv_sets_t, const_unit_decl_t,
8695         const_decl_t, const_state_t, const_automata_list_el_t): New.
8696         (first_out_arc, DECL_UNIT, DECL_BYPASS, DECL_AUTOMATON, DECL_EXCL,
8697         DECL_PRESENCE, DECL_ABSENCE, DECL_RESERV, DECL_INSN_RESERV,
8698         automaton_decl_hash, automaton_decl_eq_p, insn_decl_hash,
8699         insn_decl_eq_p, decl_hash, decl_eq_p, alt_state_cmp,
8700         reserv_sets_cmp, reserv_sets_eq, state_hash, state_eq_p,
8701         automata_list_hash, automata_list_eq_p, compare_states_for_equiv,
8702         compare_max_occ_cycle_nums, out_state_arcs_num,
8703         compare_transition_els_num, units_cmp, state_reservs_cmp):
8704         Constify.
8705         * genmodes.c (cmp_modes): Likewise.
8706         * ggc-common.c (saving_htab_hash, saving_htab_eq): Likewise.
8707         * gimplify.c (compare_case_labels): Likewise.
8708         * ipa-type-escape.c (get_name_of_type, type_brand_s): Likewise.
8709         * loop-unroll.c (si_info_hash, ve_info_hash): Likewise.
8710         * matrix-reorg.c (mtt_info_hash): Likewise.
8711         * postreload-gcse.c (hash_expr_for_htab, expr_equiv_p): Likewise.
8712         * rtl-factoring.c (const_p_hash_bucket, const_p_hash_elem): New.
8713         (htab_hash_bucket, htab_hash_elem): Constify.
8714         * tree-browser.c (TB_parent_eq): Likewise.
8715         * tree-scalar-evolution.c (hash_scev_info): Likewise.
8716         * tree-ssa-alias.c (sort_tags_by_id): Likewise.
8717         * tree-ssa-coalesce.c (const_coalesce_pair_p): New.
8718         (coalesce_pair_map_hash, coalesce_pair_map_eq, compare_pairs):
8719         Constify.
8720         * tree-ssa-dom.c (avail_expr_hash, avail_expr_eq): Likewise.
8721         * tree-ssa-pre.c (const_expr_pred_trans_t): New.
8722         (expr_pred_trans_hash, expr_pred_trans_eq): Constify.
8723         * tree-ssa-sccvn.c (const_vn_binary_op_t, const_vn_unary_op_t,
8724         const_vn_phi_t, const_vn_reference_op_t, const_vn_reference_t):
8725         New.
8726         (vn_reference_op_eq, vn_reference_hash, vn_reference_eq,
8727         vn_unary_op_hash, vn_unary_op_eq, vn_binary_op_hash,
8728         vn_binary_op_eq, vn_phi_hash, vn_phi_eq): Constify.
8729         * tree-ssa-threadupdate.c (redirection_data_hash,
8730         redirection_data_eq): Likewise.
8731         * tree-ssa-uncprop.c (equiv_hash, equiv_eq): Likewise.
8732         * tree-ssa.c (var_ann_eq): Likewise.
8733         * tree-vrp.c (compare_case_labels): Likewise.
8734         * tree.c (int_cst_hash_hash, int_cst_hash_eq,
8735         tree_map_base_marked_p, type_hash_marked_p, tree_check_failed,
8736         tree_not_check_failed, tree_class_check_failed,
8737         tree_range_check_failed, tree_not_class_check_failed,
8738         omp_clause_check_failed, omp_clause_range_check_failed,
8739         tree_contains_struct_check_failed, tree_operand_check_failed):
8740         Likewise.
8741         * tree.h (tree_contains_struct_check_failed, tree_check_failed,
8742         tree_not_check_failed, tree_class_check_failed,
8743         tree_range_check_failed, tree_not_class_check_failed,
8744         tree_operand_check_failed, omp_clause_operand_check_failed,
8745         tree_operand_length): Likewise.
8746         * var-tracking.c (const_variable): New.
8747         (variable_htab_hash, variable_htab_eq): Constify.
8748         * varasm.c (const_desc_hash): Likewise.
8749
8750 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8751
8752         * expr.c (handled_component_p): Constify.
8753         * fold-const.c (fit_double_type): Likewise.
8754         * real.h (real_value_from_int_cst): Likewise.
8755         * tree-flow-inline.h (gimple_in_ssa_p,
8756         gimple_aliases_computed_p, gimple_addressable_vars,
8757         gimple_call_clobbered_vars, gimple_referenced_vars,
8758         gimple_global_var, gimple_nonlocal_all, gimple_var_anns,
8759         end_htab_p, end_referenced_vars_p, var_ann, function_ann,
8760         may_aliases, end_readonly_imm_use_p, has_zero_uses,
8761         has_single_use, single_imm_use, num_imm_uses, is_exec_stmt,
8762         is_label_stmt, is_global_var, phi_ssa_name_p,
8763         factoring_name_p, is_call_clobbered, tree_common_ann,
8764         op_iter_done, end_imm_use_stmt_p, end_imm_use_on_stmt_p,
8765         unmodifiable_var_p, array_ref_contains_indirect_ref,
8766         ref_contains_array_ref, lookup_subvars_for_var,
8767         var_can_have_subvars, overlap_subvar, gimple_ssa_operands,
8768         gimple_mem_ref_stats): Likewise.
8769         * tree-flow.h (tree_common_ann, var_ann, function_ann,
8770         may_aliases, is_exec_stmt, is_label_stmt,
8771         ref_contains_array_ref, array_ref_contains_indirect_ref,
8772         var_can_have_subvars, overlap_subvar, is_call_clobbered,
8773         unmodifiable_var_p): Likewise.
8774         * tree-gimple.c (is_gimple_min_invariant): Likewise.
8775         * tree-gimple.h (is_gimple_min_invariant): Likewise.
8776         * tree.c (type_hash_list, attribute_hash_list, tree_size,
8777         cst_and_fits_in_hwi, real_value_from_int_cst,
8778         build_real_from_int_cst, integer_zerop, integer_onep,
8779         integer_all_onesp, integer_pow2p, integer_nonzerop, tree_log2,
8780         tree_floor_log2, real_zerop, real_onep, real_twop,
8781         real_minus_onep, really_constant_p, purpose_member, chain_member,
8782         list_length, fields_length, int_size_in_bytes, bit_position,
8783         int_bit_position, byte_position, int_byte_position, expr_align,
8784         array_type_nelts, tree_node_structure,
8785         type_contains_placeholder_1, iterative_hash_pointer,
8786         is_attribute_with_length_p, is_attribute_p, check_qualified_type,
8787         tree_map_base_eq, type_hash_list, type_hash_eq,
8788         attribute_hash_list, type_num_arguments, tree_int_cst_equal,
8789         tree_int_cst_lt, tree_int_cst_compare, host_integerp,
8790         tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8791         simple_cst_list_equal, compare_tree_int, iterative_hash_expr,
8792         int_fits_type_p, get_containing_scope, decl_function_context,
8793         decl_type_context, omp_clause_operand_check_failed,
8794         initializer_zerop, int_cst_value, num_ending_zeros): Likewise.
8795         * tree.h (omp_clause_operand_check_failed, tree_size,
8796         build_real_from_int_cst, array_type_nelts, purpose_member,
8797         tree_int_cst_equal, tree_int_cst_lt, tree_int_cst_compare,
8798         host_integerp, tree_low_cst, tree_int_cst_msb, tree_int_cst_sgn,
8799         is_attribute_p, check_qualified_type, expr_align,
8800         int_size_in_bytes, bit_position, int_bit_position, byte_position,
8801         int_byte_position, list_length, fields_length, initializer_zerop,
8802         integer_zerop, integer_onep, integer_all_onesp, integer_pow2p,
8803         integer_nonzerop, cst_and_fits_in_hwi, num_ending_zeros,
8804         tree_node_structure, handled_component_p, get_containing_scope,
8805         decl_function_context, decl_type_context, real_zerop,
8806         type_num_arguments, fit_double_type, really_constant_p,
8807         int_fits_type_p, tree_log2, tree_floor_log2, iterative_hash_expr,
8808         compare_tree_int, chain_member, simple_cst_list_equal, real_onep,
8809         real_twop, real_minus_onep, int_cst_value): Likewise.
8810
8811 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8812
8813         * cfglayout.c (insn_scope, insn_line): Constify.
8814         * emit-rtl.c (const_int_htab_hash, const_int_htab_eq,
8815         const_double_htab_hash, const_double_htab_eq,
8816         mem_attrs_htab_hash): Likewise.
8817         * loop-iv.c (biv_eq): Likewise.
8818         * print-rtl.c (print_rtx, print_decl_name, print_mem_expr,
8819         print_inline_rtx, debug_rtx, debug_rtx_list, debug_rtx_range,
8820         debug_rtx_find, print_rtl, print_rtl_single, print_simple_rtl):
8821         Likewise.
8822         * rtl-error.c (location_for_asm, diagnostic_for_asm,
8823         error_for_asm, warning_for_asm, _fatal_insn,
8824         _fatal_insn_not_found): Likewise.
8825         * rtl.c (rtx_size, shared_const_p, shallow_copy_rtx_stat,
8826         rtx_equal_p, rtl_check_failed_bounds, rtl_check_failed_type1,
8827         rtl_check_failed_type2, rtl_check_failed_code1,
8828         rtl_check_failed_code2, rtl_check_failed_code_mode,
8829         rtvec_check_failed_bounds, rtl_check_failed_flag): Likewise.
8830         * rtl.h (rtl_check_failed_bounds, rtl_check_failed_type1,
8831         rtl_check_failed_type2, rtl_check_failed_code1,
8832         rtl_check_failed_code2, rtl_check_failed_code_mode,
8833         rtvec_check_failed_bounds, rtl_check_failed_flag, LABEL_KIND,
8834         SET_LABEL_KIND, rhs_regno, subreg_lsb, subreg_regno, subreg_nregs,
8835         shared_const_p, rtx_size, shallow_copy_rtx_stat, rtx_equal_p,
8836         get_pool_mode, insn_line, insn_file, simplify_replace_rtx,
8837         mode_signbit_p, rtx_addr_can_trap_p, nonzero_address_p,
8838         rtx_unstable_p, get_integer_term, get_related_value,
8839         offset_within_block_p, reg_mentioned_p, count_occurrences,
8840         reg_referenced_p, reg_used_between_p, no_labels_between_p,
8841         single_set_2, multiple_sets, set_noop_p, refers_to_regno_p,
8842         reg_overlap_mentioned_p, dead_or_set_p, dead_or_set_regno_p,
8843         find_reg_note, find_regno_note, find_reg_equal_equiv_note,
8844         find_constant_src, find_reg_fusage, find_regno_fusage,
8845         pure_call_p, remove_note, side_effects_p, volatile_refs_p,
8846         volatile_insn_p, may_trap_p, may_trap_after_code_motion_p,
8847         may_trap_or_fault_p, inequality_comparisons_p, tablejump_p,
8848         computed_jump_p, auto_inc_p, in_expr_list_p,
8849         remove_node_from_expr_list, loc_mentioned_in_p,
8850         label_is_jump_target_p, reversed_comparison_code_parts,
8851         debug_rtx, debug_rtx_list, debug_rtx_range, debug_rtx_find,
8852         print_mem_expr, print_rtl, print_simple_rtl, print_rtl_single,
8853         print_inline_rtx): Likewise.
8854         * rtlanal.c (covers_regno_p, covers_regno_no_parallel_p,
8855         computed_jump_p_1, nonzero_bits1, rtx_unstable_p,
8856         rtx_addr_can_trap_p_1, rtx_addr_can_trap_p, nonzero_address_p,
8857         get_integer_term, get_related_value, offset_within_block_p,
8858         count_occurrences, reg_mentioned_p, no_labels_between_p,
8859         reg_used_between_p, reg_referenced_p, single_set_2,
8860         multiple_sets, set_noop_p, refers_to_regno_p,
8861         reg_overlap_mentioned_p, dead_or_set_p,
8862         covers_regno_no_parallel_p, covers_regno_p,
8863         dead_or_set_regno_p, find_reg_note, find_regno_note,
8864         find_reg_equal_equiv_note, find_constant_src, find_reg_fusage,
8865         find_regno_fusage, pure_call_p, remove_note, in_expr_list_p,
8866         remove_node_from_expr_list, volatile_insn_p, volatile_refs_p,
8867         side_effects_p, may_trap_p_1, may_trap_p,
8868         may_trap_after_code_motion_p, may_trap_or_fault_p,
8869         inequality_comparisons_p, tablejump_p, computed_jump_p_1,
8870         computed_jump_p, auto_inc_p, loc_mentioned_in_p, subreg_lsb,
8871         subreg_regno, subreg_nregs, label_is_jump_target_p): Likewise.
8872         * simplify-rtx.c (neg_const_int, plus_minus_operand_p,
8873         mode_signbit_p, simplify_replace_rtx, plus_minus_operand_p):
8874         Likewise.
8875         * toplev.h (_fatal_insn_not_found, _fatal_insn, error_for_asm,
8876         warning_for_asm): Likewise.
8877         * tree.h (print_rtl): Likewise.
8878         * varasm.c (get_pool_mode): Likewise.
8879
8880 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8881
8882         * c-lex.c (c_lex_with_flags, lex_string): Constify.
8883         * c-ppoutput.c (print_line, pp_dir_change): Likewise.
8884         * c-typeck.c (free_all_tagged_tu_seen_up_to): Likewise.
8885         * cfg.c (bb_copy_original_hash, bb_copy_original_eq): Likewise.
8886         * cfgloop.c (loop_exit_hash, loop_exit_eq): Likewise.
8887         * ddg.c (compare_sccs): Likewise.
8888         * df-scan.c (df_ref_compare, df_mw_compare): Likewise.
8889         * dfp.c (decimal_real_from_string, decimal_to_decnumber,
8890         decimal_to_binary, decimal_do_compare, decimal_real_to_decimal,
8891         decimal_do_fix_trunc, decimal_real_to_integer,
8892         decimal_real_to_integer2, decimal_real_maxval): Likewise.
8893         * dse.c (const_group_info_t): New.
8894         (invariant_group_base_eq, invariant_group_base_hash): Constify.
8895         * dwarf2out.c (const_dw_die_ref): New.
8896         (decl_die_table_hash, decl_die_table_eq, file_info_cmp): Constify.
8897         * tree-browser.c (TB_parent_eq): Likewise.
8898         * unwind-dw2-fde.c (__register_frame_info_bases,
8899         __deregister_frame_info_bases, fde_unencoded_compare, fde_split,
8900         add_fdes, linear_search_fdes, binary_search_unencoded_fdes):
8901         Likewise.
8902         * unwind-dw2-fde.h (get_cie, next_fde): Likewise.
8903         * unwind-dw2.c (uw_frame_state_for): Likewise.
8904         * value-prof.c (histogram_hash, histogram_eq): Likewise.
8905         * value-prof.h (const_histogram_value): New.
8906
8907 2007-07-25  Richard Sandiford  <richard@codesourcery.com>
8908
8909         * config/mips/mips.c (machine_function): Add
8910         initialized_mips16_gp_pseudo_p.
8911         (mips16_gp_pseudo_reg): Do not emit the initialization of
8912         mips16_gp_pseudo_rtx when being called from the gimple cost-
8913         calculation routines; emit it on the first use outside those
8914         routines.
8915
8916 2007-07-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8917
8918         * coretypes.h (const_bitmap, const_rtx, const_rtvec, const_tree):
8919         New.
8920
8921         * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
8922         RTVEC_ELT, XWINT, XCWINT, XCMWINT, XCNMPRV, BLOCK_SYMBOL_CHECK,
8923         RTL_FLAG_CHECK1, RTL_FLAG_CHECK2, RTL_FLAG_CHECK3,
8924         RTL_FLAG_CHECK4, RTL_FLAG_CHECK5, RTL_FLAG_CHECK6,
8925         RTL_FLAG_CHECK7, RTL_FLAG_CHECK8, LABEL_KIND, SET_LABEL_KIND):
8926         Preserve const-ness of parameters through use of __typeof(),
8927         also constify and tidy.
8928
8929         * tree.h (TREE_CHECK, TREE_NOT_CHECK, TREE_CHECK2,
8930         TREE_NOT_CHECK2, TREE_CHECK3, TREE_NOT_CHECK3, TREE_CHECK4,
8931         NON_TREE_CHECK4, TREE_CHECK5, TREE_NOT_CHECK5,
8932         CONTAINS_STRUCT_CHECK, TREE_CLASS_CHECK, TREE_RANGE_CHECK,
8933         OMP_CLAUSE_SUBCODE_CHECK, OMP_CLAUSE_RANGE_CHECK, EXPR_CHECK,
8934         GIMPLE_STMT_CHECK, NON_TYPE_CHECK, TREE_VEC_ELT_CHECK,
8935         PHI_NODE_ELT_CHECK, OMP_CLAUSE_ELT_CHECK, TREE_OPERAND_CHECK,
8936         TREE_OPERAND_CHECK_CODE, GIMPLE_STMT_OPERAND_CHECK,
8937         TREE_RTL_OPERAND_CHECK, TREE_CHAIN, TREE_TYPE): Likewise.
8938
8939 2007-07-25  Julian Brown  <julian@codesourcery.com>
8940             Mark Shinwell  <shinwell@codesourcery.com>
8941
8942         * config/alpha/alpha.c (alpha_mangle_fundamental_type): Rename to...
8943         (alpha_mangle_type): This.
8944         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8945         (TARGET_MANGLE_TYPE): Define this instead.
8946         * config/arm/arm-protos.h (arm_mangle_type): Add prototype.
8947         * config/arm/arm.c (TARGET_MANGLE_TYPE): Define target hook.
8948         (arm_init_neon_builtins): Fix comment.
8949         (arm_mangle_map_entry): New.
8950         (arm_mangle_map): New.
8951         (arm_mangle_type): New.
8952         * config/i386/i386.c (ix86_mangle_fundamental_type): Rename to...
8953         (ix86_mangle_type): This. Use TYPE_MAIN_VARIANT and restrict
8954         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8955         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8956         (TARGET_MANGLE_TYPE): Define this instead.
8957         * config/ia64/ia64.c (ia64_mangle_fundamental_type): Rename to...
8958         (ia64_mangle_type): This. Use TYPE_MAIN_VARIANT  and restrict
8959         mangled types to VOID_TYPE, BOOLEAN_TYPE, INTEGER_TYPE, REAL_TYPE.
8960         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8961         (TARGET_MANGLE_TYPE): Define this instead.
8962         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Rename
8963         to...
8964         (rs6000_mangle_type): This. Use TYPE_MAIN_VARIANT.
8965         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8966         (TARGET_MANGLE_TYPE): Define this instead.
8967         * config/s390/s390.c (s390_mangle_fundamental_type): Rename to...
8968         (s390_mangle_type): This.
8969         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8970         (TARGET_MANGLE_TYPE): Define this instead.
8971         * config/sparc/sparc.c (sparc_mangle_fundamental_type): Rename to...
8972         (sparc_mangle_type): This.
8973         (TARGET_MANGLE_FUNDAMENTAL_TYPE): Don't define.
8974         (TARGET_MANGLE_TYPE): Define this instead.
8975         * cp/mangle.c (write_type): Call mangle_type target hook on all
8976         types before mangling.  Use original type, not main variant, as
8977         argument.
8978         * target-def.h (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename hook to...
8979         (TARGET_MANGLE_TYPE): This.
8980         * target.h (gcc_target): Rename mangle_fundamental_type to
8981         mangle_type.
8982         * doc/tm.texi (TARGET_MANGLE_FUNDAMENTAL_TYPE): Rename section to...
8983         (TARGET_MANGLE_TYPE): This. Note slightly different semantics.
8984
8985 2007-07-25  Julian Brown  <julian@codesourcery.com>
8986             Paul Brook  <paul@codesourcery.com>
8987             Joseph Myers  <joseph@codesourcery.com>
8988             Mark Shinwell  <shinwell@codesourcery.com>
8989
8990         * Makefile.in (TEXI_GCC_FILES): Add arm-neon-intrinsics.texi.
8991         * config.gcc (arm*-*-*): Add arm_neon.h to extra headers.
8992         (with_fpu): Allow --with-fpu=neon.
8993         * config/arm/aof.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8994         * config/arm/aout.h (ADDITIONAL_REGISTER_NAMES): Add Q0-Q15.
8995         * config/arm/arm-modes.def (EI, OI, CI, XI): New modes.
8996         * config/arm/arm-protos.h (neon_immediate_valid_for_move)
8997         (neon_immediate_valid_for_logic, neon_output_logic_immediate)
8998         (neon_pairwise_reduce, neon_expand_vector_init, neon_reinterpret)
8999         (neon_emit_pair_result_insn, neon_disambiguate_copy)
9000         (neon_vector_mem_operand, neon_struct_mem_operand, output_move_quad)
9001         (output_move_neon): Add prototypes.
9002         * config/arm/arm.c (FL_NEON): New flag for NEON processor capability.
9003         (all_fpus): Add FPUTYPE_NEON.
9004         (fp_model_for_fpu): Add NEON field.
9005         (arm_return_in_memory): Return vectors <= 16 bytes in ARM registers.
9006         (arm_arg_partial_bytes): Allow NEON vectors to be passed partially
9007         in registers.
9008         (arm_legitimate_address_p): Don't support fancy addressing for NEON
9009         structure moves.
9010         (thumb2_legitimate_address_p): Likewise.
9011         (neon_valid_immediate): Recognize and prepare constants suitable for
9012         NEON instructions.
9013         (neon_immediate_valid_for_move): New function. Recognize and prepare
9014         immediates for NEON move instructions.
9015         (neon_immediate_valid_for_logic): New function. Recognize and
9016         prepare immediates for NEON logic instructions.
9017         (neon_output_logic_immediate): New function. Create asm string
9018         suitable for outputting immediate logic instructions.
9019         (neon_pairwise_reduce): New function. Implement reduction using
9020         pairwise operations.
9021         (neon_expand_vector_init): New function. Expand a (possibly
9022         non-constant) vector initialization.
9023         (neon_vector_mem_operand): New function. Memory operands supported
9024         for quad-word loads/stores to/from ARM or NEON registers. Don't
9025         allow base+offset addressing for core regs.
9026         (neon_struct_mem_operand): New function. Valid mems for NEON
9027         structure moves.
9028         (coproc_secondary_reload_class): Enable NEON registers to be loaded
9029         from neon_vector_mem_operand addresses without a secondary register.
9030         (add_minipool_forward_ref): Handle >8-byte minipool entries.
9031         (add_minipool_backward_ref): Likewise.
9032         (dump_minipool): Likewise.
9033         (push_minipool_fix): Likewise.
9034         (output_move_quad): New function. Output quad-word moves, loads and
9035         stores using ARM registers.
9036         (output_move_vfp): Add support for vectors in VFP (NEON) D
9037         registers.
9038         (output_move_neon): Output a NEON load/store to/from a quadword
9039         register.
9040         (arm_print_operand): Implement new codes:
9041         - 'c' for unadorned integers (without a # sign).
9042         - 'J', 'K' for reg+2/reg+3, reg+3/reg+2 in little/big-endian
9043         mode.
9044         - 'e', 'f' for the low and high D parts of a NEON Q register.
9045         - 'q' outputs a NEON Q register.
9046         - 'h' outputs ranges of D registers for VLDM/VSTM etc.
9047         - 'T' prints NEON opcode features from a coded bitmask.
9048         - 'F' is similar to T, but signed/unsigned codes both print as
9049         'i'.
9050         - 't' is similar to T, but 'u' is printed instead of 'p'.
9051         - 'O' prints 'r' if NEON instruction should perform rounding (as
9052         specified by bitmask), else prints nothing.
9053         - '#' is a punctuation character to stop operand numbers from
9054         running together with following digits in the assembler
9055         strings for instructions (when using mode attributes).
9056         (arm_assemble_integer): Handle extra NEON vector modes. Permute
9057         constant vectors in big-endian mode, where necessary.
9058         (arm_hard_regno_mode_ok): Allow vectors in VFP/NEON registers.
9059         Handle EI, OI, CI, XI modes.
9060         (ashlv4hi3, ashlv2si3, lshrv4hi3, lshrv2si3, ashrv4hi3)
9061         (ashrv2si3): Rename IWMMXT2_BUILTINs to...
9062         (ashlv4hi3_iwmmxt, ashlv2si3_iwmmxt, lshrv4hi3_iwmmxt)
9063         (lshrv2si3_iwmmxt, ashrv4hi3_iwmmxt, ashrv2si3_iwmmxt): New names.
9064         (neon_builtin_type_bits): Add enumeration, one bit for each vector
9065         type.
9066         (v8qi_UP, v4hi_UP, v2si_UP, v2sf_UP, di_UP, v16qi_UP, v8hi_UP)
9067         (v4si_UP, v4sf_UP, v2di_UP, ti_UP, ei_UP, oi_UP, UP): Define macros
9068         to turn v8qi, etc. into bits defined above.
9069         (neon_itype): New enumeration. Classifications of NEON builtins.
9070         (neon_builtin_datum): Define struct. Contains information about
9071         a single builtin (with multiple modes).
9072         (CF): Define helper macro for...
9073         (VAR1...VAR10): Define builtins with a type, name and 1-10 different
9074         modes.
9075         (neon_builtin_data): New array. Define information about builtins
9076         for use during initialization/expansion.
9077         (arm_init_neon_builtins): New function.
9078         (arm_init_builtins): Call arm_init_neon_builtins if TARGET_NEON is
9079         true.
9080         (neon_builtin_compare): New function.
9081         (locate_neon_builtin_icode): New function. Find an insn code for a
9082         builtin given a function code for that builtin. Also return type of
9083         builtin (NEON_BINOP, NEON_UNOP etc.).
9084         (builtin_arg): New enumeration. Types of arguments for builtins.
9085         (arm_expand_neon_args): New function. Expand a generic NEON builtin.
9086         Takes a variable argument list of builtin_arg types, terminated by
9087         NEON_ARG_STOP.
9088         (arm_expand_neon_builtin): New function. Expand a NEON builtin.
9089         (neon_reinterpret): New function. Expand NEON reinterpret intrinsic.
9090         (neon_emit_pair_result_insn): New function. Support returning pairs
9091         of vectors via a pointer.
9092         (neon_disambiguate_copy): New function. Set up operands for a
9093         multi-word copy such that registers do not get clobbered.
9094         (arm_expand_builtin): Call arm_expand_neon_builtin if fcode >=
9095         ARM_BUILTIN_NEON_BASE.
9096         (arm_file_start): Set float-abi attribute for NEON.
9097         (arm_vector_mode_supported_p): Enable NEON vector modes.
9098         (arm_mangle_map_entry): New.
9099         (arm_mangle_map): New.
9100         (arm_mangle_vector_type): New.
9101         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __ARM_NEON__
9102         when appropriate.
9103         (TARGET_NEON): New macro. Target supports NEON.
9104         (fputype): Add FPUTYPE_NEON.
9105         (UNITS_PER_SIMD_WORD): Define. Allow quad-word registers to be used
9106         for vectorization based on command-line arg.
9107         (NEON_REGNO_OK_FOR_NREGS): Define.
9108         (VALID_NEON_DREG_MODE, VALID_NEON_QREG_MODE)
9109         (VALID_NEON_STRUCT_MODE): Define.
9110         (PRINT_OPERAND_PUNCT_VALID_P): '#' is valid punctuation.
9111         (arm_builtins): Add ARM_BUILTIN_NEON_BASE.
9112         * config/arm/arm.md (VUNSPEC_POOL_16): Insert constant for unspec.
9113         (consttable_16): Add pattern for outputting 16-byte minipool
9114         entries.
9115         (movv2si, movv4hi, movv8qi): Remove blank expanders (redefined in
9116         vec-common.md).
9117         (vec-common.md, neon.md): Include md files.
9118         * config/arm/arm.opt (mvectorize-with-neon-quad): Add option.
9119         * config/arm/constraints.md (constraint "Dn", "Dl", "DL"): Define.
9120         (memory_constraint "Ut", "Un", "Us"): Define.
9121         * config/arm/iwmmxt.md (VMMX, VSHFT): New mode macros.
9122         (MMX_char): New mode attribute.
9123         (addv8qi3, addv4hi3, addv2si3): Remove. Replace with...
9124         (*add<mode>3_iwmmxt): New insn pattern.
9125         (subv8qi3, subv4hi3, subv2si3): Remove. Replace with...
9126         (*sub<mode>3_iwmmxt): New insn pattern.
9127         (mulv4hi3): Rename to...
9128         (*mulv4hi3_iwmmxt): This.
9129         (smaxv8qi3, smaxv4hi3, smaxv2si3, umaxv8qi3, umaxv4hi3)
9130         (umaxv2si3, sminv8qi3, sminv4hi3, sminv2si3, uminv8qi3)
9131         (uminv4hi3, uminv2si3): Remove. Replace with...
9132         (*smax<mode>3_iwmmxt, *umax<mode>3_iwmmxt, *smin<mode>3_iwmmxt)
9133         (*umin<mode>3_iwmmxt): These.
9134         (ashrv4hi3, ashrv2si3, ashrdi3_iwmmxt): Replace with...
9135         (ashr<mode>3_iwmmxt): This new pattern.
9136         (lshrv4hi3, lshrv2si3, lshrdi3_iwmmxt): Replace with...
9137         (lshr<mode>3_iwmmxt): This new pattern.
9138         (ashlv4hi3, ashlv2si3, ashldi3_iwmmxt): Replace with...
9139         (ashl<mode>3_iwmmxt): This new pattern.
9140         * config/arm/neon-docgen.ml: New file. Generate documentation for
9141         intrinsics.
9142         * config/arm/neon-gen.ml: New file. Generate arm_neon.h header.
9143         * config/arm/arm_neon.h: New (autogenerated).
9144         * config/arm/neon-testgen.ml: New file. Generate NEON tests
9145         automatically.
9146         * config/arm/neon.md: New file. Define NEON instructions.
9147         * config/arm/neon.ml: New file. Abstract description of NEON
9148         instructions, used to generate arm_neon.h header, documentation and
9149         tests.
9150         * config/arm/t-arm (MD_INCLUDES): Add vec-common.md, neon.md.
9151         * vec-common.md: New file. Shared parts for iWMMXt and NEON vector
9152         support.
9153         * doc/extend.texi (ARM Built-in Functions): Rename and remove
9154         extraneous comma.
9155         (ARM NEON Intrinsics): New subsection.
9156         * doc/arm-neon-intrinsics.texi: New (autogenerated).
9157
9158 2007-07-25  Danny Smith   <dannysmith@users.sourceforge.net>
9159
9160         * config/i386/i386-protos.h (i386_pe_asm_file_end): Remove
9161         prototype.
9162
9163 2007-07-24  Jan Hubicka  <jh@suse.cz>
9164
9165         * regclass.c (move_table): New type.
9166         (move_cost, may_move_in_cost, may_move_out_cost): Use it.
9167         (init_move_cost): Break out from ...
9168         (init_reg_sets_1): ... here; simplify computation of
9169         have_regs-of_mode and contains_reg_of_mode.
9170         (record_reg_classes): Unswitch internal loops.
9171         (copy_cost): Trigger lazy initialization of move cost
9172         (record_address_regs): Likewise.
9173
9174 2007-07-24  Daniel Berlin  <dberlin@dberlin.org>
9175
9176         * config/darwin.c (darwin_override_options): Don't force on
9177         flag_var_tracking_uninit when no debug info is requested.
9178
9179 2007-07-25  Zdenek Dvorak  <dvorakz@suse.cz>
9180
9181         * cfgloop.c (init_loops_structure): New function.
9182         (flow_loops_find): Create root of the loop tree unconditionally.
9183
9184 2007-07-24  Daniel Jacobowitz  <dan@codesourcery.com>
9185
9186         * tree-ssa-ccp.c (fold_const_aggregate_ref): Use fold_convert.
9187
9188 2007-07-24  Jan Hubicka  <jh@suse.cz>
9189
9190         * caller-save.c: Include ggc.h, gt-caller-save.h
9191         (reg_save_code, reg_restore_code): Rename to ...
9192         (cached_reg_save_code, cached_reg_restore_code): ... those.
9193         (savepat, restpat, test_reg, test_mem, saveinsn, restinsn): New.
9194         (reg_save_code, reg_restore_code): New functions.
9195         (init_caller_save): Do not intialize
9196         reg_save_code/reg_restore_code tables.
9197         * Makefile.in: (gt-caller-save.h): New.
9198
9199 2007-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9200
9201         * tree-ssa-ifcombine.c (ifcombine_ifandif): Use a ONE operand
9202         with the mode of the original operand instead of
9203         integer_one_node.
9204
9205 2007-07-23  Jan Hubicka  <jH@suse.cz>
9206
9207         * i386.c (ix86_secondary_memory_needed): Break out to...
9208         (inline_secondary_memory_needed): ... here.
9209         (ix86_memory_move_cost): Break out to ...
9210         (inline_memory_move_cost): ... here; add support for IN value of 2 for
9211         maximum of input and output; fix handling of Q_REGS on 64bit.
9212         (ix86_secondary_memory_needed): Microoptimize.
9213
9214 2007-07-23  Sebastian Pop  <sebpop@gmail.com>
9215
9216         * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
9217         create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
9218         stmts_from_loop, known_dependences_p, build_rdg): New.
9219         * tree-data-ref.h: Depends on graphds.h.
9220         (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
9221         (build_rdg): Declared.
9222         * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
9223
9224 2007-07-23  Daniel Berlin  <dberlin@dberlin.org>
9225
9226         * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
9227         ccp_min_invariant.
9228
9229 2007-07-23  Peter Bergner  <bergner@vnet.ibm.com>
9230             Jakub Jelinek  <jakub@redhat.com>
9231
9232         PR middle-end/PR28690
9233         * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow
9234         EQ compares.
9235         * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
9236         and MEM_POINTER operands over REG and MEM operands.
9237         (swap_commutative_operands_p): Change return value to bool.
9238         * rtl.h: Update the corresponding prototype.
9239         * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
9240         instead of gen_rtx_PLUS.
9241         * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
9242         value to bool.  Change function arguments to rtx's and update code
9243         to match.
9244         (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
9245         calls to match the new declaration.
9246         * simplify-rtx.c (simplify_associative_operation): Don't
9247         reorder simplify_binary_operation arguments.
9248
9249 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9250
9251         * config/mips/mips.c (override_options): Use mips_costs to derive
9252         the default branch cost.
9253         * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
9254         than mips_costs.
9255         * config/mips/mips.opt (mbranch-cost=): New option.
9256         * doc/invoke.texi (-mbranch-cost): Document new MIPS option.
9257
9258 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9259
9260         * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
9261         (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
9262         * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
9263         instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
9264
9265 2007-07-23  Richard Sandiford  <richard@codesourcery.com>
9266
9267         * config/mips/constraints.md (ks): New constraint.
9268         * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
9269         (*add<mode>3_mips16): ...here.
9270
9271 2007-07-21  Uros Bizjak  <ubizjak@gmail.com>
9272
9273         * optabs.h (enum optab_index): Add new OTI_signbit.
9274         (signbit_optab): Define corresponding macro.
9275         (enum insn_code signbit_optab[]): Remove array.
9276         * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
9277         (expand_copysign_absneg): If back end provides signbit insn, use it
9278         instead of bit operations on floating point argument.
9279         * builtins.c (enum insn_code signbit_optab[]): Remove array.
9280         (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code
9281         for availability of signbit insn.
9282
9283         * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
9284         signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
9285         SSE mode is not active.
9286         (isinf<mode>2): Disable for mfpmath=sse,387.
9287
9288 2007-07-22  Ben Elliston  <bje@au.ibm.com>
9289
9290         * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
9291         `class' parameter.
9292         * struct-equiv.c (note_local_live): Likewise for `y_regno'.
9293
9294 2007-07-20  Richard Guenther  <rguenther@suse.de>
9295
9296         * tree-cfg.c (verify_expr): COND_EXPRs can have any
9297         integral typed condition.
9298         * tree-ssa.c (useless_type_conversion_p): Do not preserve
9299         booleanness.  Only preserve conversions from a non-base
9300         type to a base type, not in general between types with
9301         different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
9302         * tree.def (COND_EXPR): Document that the condition
9303         can be of any integral type.
9304
9305 2007-07-20  Nigel Stephens  <nigel@mips.com>
9306             Richard Sandiford  <richard@codesourcery.com>
9307
9308         * config/mips/mips.h (mips_dwarf_regno): Declare.
9309         (DBX_REGISTER_NUMBER): Remove redundant brackets.
9310         (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
9311         (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
9312         (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
9313         (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9314         (REG_CLASS_NAMES): Update accordingly.
9315         * config/mips/mips.c (mips_dwarf_regno): New array.
9316         (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
9317         (mips_subword): Remove special handling for accumulator registers.
9318         (override_options): Initiailize mips_dwarf_regno.  Remove use
9319         of ACC_HI_REG_P.
9320         (mips_swap_registers): New function.
9321         (mips_conditional_register_usage): Swap accumulator registers
9322         around if TARGET_LITTLE_ENDIAN.
9323         (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
9324         * config/mips/constraints.md (h, l): Use the endianness to choose
9325         between MD0_REG and MD1_REG.
9326         * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
9327         alternative-dependent template.
9328
9329 2007-07-20  Richard Sandiford  <richard@codesourcery.com>
9330
9331         * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
9332         no_new_pseudos.
9333
9334 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9335
9336         * function.c (thread_prologue_and_epilogue_insns): Fix exit
9337         predecessor fallthru flags.
9338
9339 2007-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
9340
9341         * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
9342         of compare to the same type.
9343         * cfgloopmanip.c (add_loop): Update information about loop exits.
9344         (loop_version): Remove the innermost loop requirement.
9345         * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
9346         to sizetype for pointers.
9347
9348 2007-07-18  H.J. Lu  <hongjiu.lu@intel.com>
9349
9350         * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
9351         (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
9352         (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
9353
9354         * config/dfp-bit.c: Empty for TFmode conversions.
9355
9356 2007-07-18  Caroline Tice  <ctice@apple.com>
9357
9358         * var-tracking.c (find_src_status): Check for  COND_EXEC insns
9359         and handle them correctly; check that src is not NULL before
9360         trying to use it.
9361         (find_src_set_src): Likewise.
9362
9363 2007-07-18  Bob Wilson  <bob.wilson@acm.org>
9364
9365         * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
9366         (struct alignment_context, init_alignment_context): New.
9367         (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
9368         * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
9369         (XCHAL_HAVE_S32C1I): Likewise.
9370         (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
9371         * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
9372         (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
9373         (ATOMIC, HQI): New macros.
9374         (memory_barrier, *memory_barrier): New.
9375         (sync_lock_releasesi): New.
9376         (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
9377         (sync_lock_test_and_set<mode>): New.
9378         (sync_<atomic><mode>): New.
9379         (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
9380         * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
9381         (xtensa_expand_atomic): New.
9382
9383 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9384
9385         PR target/30652
9386
9387         * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
9388         transformation for builtin ISNORMAL.
9389         (expand_builtin): Handle BUILT_IN_ISNORMAL.
9390         * builtins.def (BUILT_IN_ISNORMAL): New.
9391         * doc/extend.texi: Document isnormal.
9392
9393 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9394
9395         PR target/30652
9396
9397         * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
9398         optabs infrastructure.  Provide generic implementation for
9399         FINITE/ISFINITE.
9400         (expand_builtin): Handle FINITE/ISFINITE.
9401         (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
9402         (fold_builtin_1): Likewise.
9403
9404         * builtins.def (BUILT_IN_ISFINITE): New.
9405
9406         * doc/extend.texi: Document isfinite.
9407
9408 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9409
9410         PR target/30652
9411         PR middle-end/20558
9412
9413         * builtins.c (expand_builtin_interclass_mathfn): Provide a
9414         generic fallback for isinf.
9415         * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
9416         calculation code ...
9417         * real.c (get_max_float): ... to here.
9418         * real.h (get_max_float): New.
9419
9420 2007-07-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9421
9422         PR middle-end/32668
9423
9424         * builtin-attrs.def (ATTR_TYPEGENERIC,
9425         ATTR_CONST_NOTHROW_TYPEGENERIC): New.
9426
9427         * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
9428         BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
9429         BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
9430         BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
9431
9432         * c-common.c (handle_type_generic_attribute): New.
9433         (c_common_attribute_table): Add "type generic".
9434
9435         * c-typeck.c (convert_arguments): Handle "type generic" functions.
9436
9437 2007-07-18  Daniel Berlin  <dberlin@dberlin.org>
9438
9439         * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
9440         * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
9441         properly.
9442
9443 2007-07-18  Rask Ingemann Lambertsen  <rask@sygehus.dk>
9444
9445         PR target/32808
9446         * config/cris/cris.c (cris_print_index): Don't use XEXP before
9447         checking that the operand is an expression.
9448
9449 2007-07-19  Christoph von Wittich  <Christoph_vW@reactos.org>
9450             Danny Smith  <dannysmith@users.sourceforge.net>
9451
9452         PR/other 30335
9453         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
9454         file mapping object in local namespace if Windows version later
9455         than NT4
9456
9457 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9458
9459         * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
9460         * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
9461         arm_cannot_force_const_mem.
9462         (arm_cannot_force_const_mem): New function.
9463         * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
9464         (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
9465         of arm_tls_referenced_p.
9466         * config/arm/arm.md (movsi): Split out-of-section constants when
9467         ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
9468         * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
9469
9470 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9471
9472         * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
9473
9474 2007-07-18  Richard Sandiford  <richard@codesourcery.com>
9475
9476         * config/mips/mips.md (*extendqihi2): Convert the destination
9477         to SImode.
9478
9479 2007-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9480
9481         * config/pa/fptr.c: Update license header.
9482         * config/pa/milli64.S: Likewise.
9483
9484 2007-07-17  Nick Clifton  <nickc@redhat.com>
9485
9486         * COPYING_v3: New file.  Contains version 3 of the GNU General
9487         Public License.
9488         * COPYING.LIB_v3: New file.  Contains version 3 of the GNU
9489         Lesser General Public License.
9490         * doc/include/gpl_v3.texi: New file.  Contains version 3 of
9491         the GNU General Public License.
9492
9493 2007-07-17  Zdenek Dvorak  <dvorakz@suse.cz>
9494
9495         PR rtl-optimization/32773
9496         * cfglayout.c (force_one_exit_fallthru): New function.
9497         (cfg_layout_finalize): Use it.
9498
9499 2007-07-16  Richard Guenther  <rguenther@suse.de>
9500             Uros Bizjak  <ubizjak@gmail.com>
9501
9502         * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
9503         before forcing it to gimple operand.
9504
9505 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9506             David Ung  <davidu@mips.com>
9507
9508         * config/mips/mips.h (TUNE_24K): Define.
9509         (TUNE_MACC_CHAINS): Add TUNE_24K.
9510         * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
9511         imadd.
9512         * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
9513         (r74k_int_madd): .. this new reservation.
9514         (define_bypass): Fixed bypasses for r74k_int_madd to use
9515         mips_linked_madd_p.
9516         * config/mips/24k.md (define_bypass): Define new
9517         r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
9518
9519 2007-07-16  Sandra Loosemore  <sandra@codesourcery.com>
9520             Nigel Stephens  <nigel@mips.com>
9521
9522         * config/mips/mips.md: Include 20kc.md.
9523         * config/mips/20kc.md: New file.
9524         * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
9525         (mips_adjust_cost): Tweak for 20Kc.
9526         (mips_issue_rate): Likewise.
9527         * config/mips/mips.h (TUNE_20KC): Define.
9528
9529 2007-07-16  David Edelsohn  <edelsohn@gnu.og>
9530
9531         * config/rs6000/rs6000.c (struct processor_cost): Add
9532         cache_line_size, l1_cache_lines, and simultaneous_prefetches
9533         fields.
9534         (*_cost): Add cache information.
9535         (rs6000_override_options): Set cache parameters.
9536
9537 2007-07-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9538
9539         PR bootstrap/3456
9540         * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
9541         * doc/install.texi (mips-sgi-irix6): pthread support works now.
9542
9543 2007-07-16  Paul Brook  <paul@codesourcery.com>
9544
9545         PR target/32753
9546         * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
9547         (cirrus_thumb2_movsi_insn): Ditto.
9548
9549 2007-07-15  Geoffrey Keating  <geoffk@apple.com>
9550
9551         * config/rs6000/darwin-fallback.c (interpret_libc): Change
9552         CR2_REGNO to R_CR2.
9553
9554 2007-07-15  Andrew Haley  <aph@redhat.com>
9555
9556         * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
9557         before looking in the context.
9558
9559 2007-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9560
9561         PR middle-end/32398
9562         PR middle-end/32769
9563         * pa-protos.h (pa_eh_return_handler_rtx): Declare.
9564         * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
9565         (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
9566         (pa_output_function_prologue): Use rp_saved and
9567         current_function_is_leaf to generate .CALLINFO statement.
9568         (hppa_expand_prologue): Set rp_saved.
9569         (hppa_expand_epilogue): Use rp_saved.
9570         (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
9571         * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
9572
9573 2007-07-14  Dirk Mueller  <dmueller@suse.de>
9574
9575         * omega.c (coalesce): Fix memory leak on early exit.
9576         * matrix-reorg.c (check_allocation_function): Likewise.
9577         * tree-vect-transform.c (vect_get_new_vect_var): free result
9578         of concat().
9579         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
9580         pass pointer to edge vector
9581         (partition_hot_cold_basic_blocks): Fix memory leak.
9582         * collect2.c (prefix_from_string): Free temporary storage.
9583         * reload1.c (fixup_abnormal_edges): Free sbitmap.
9584
9585 2007-07-14  Kaz Kojima  <kkojima@gcc.gnu.org>
9586
9587         * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
9588         (DO_GLOBAL_DTORS_BODY): Likewise.
9589
9590 2007-07-14  Sandra Loosemore  <sandra@codesourcery.com>
9591             Nigel Stephens  <nigel@mips.com>
9592
9593         * config/mips/mips.c (mips_classify_symbol): Don't return
9594         SYMBOL_SMALL_DATA for constant pool addresses if
9595         TARGET_EMBEDDED_DATA is true.
9596
9597 2007-07-14  Uros Bizjak  <ubizjak@gmail.com>
9598
9599         * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
9600         except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
9601         __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
9602         __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
9603         __builtin_ia32_storehps, __builtin_ia32_storelps,
9604         __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
9605         __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
9606         __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
9607         __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
9608         __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
9609         __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
9610         __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
9611         __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
9612         using def_builtin_const.
9613
9614 2007-07-14  Eric Botcazou  <ebotcazou@adacore.com>
9615
9616         PR tree-optimization/32705
9617         * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
9618         (simplify_binary_expression): Use SSA_VAL consistently.
9619
9620 2007-07-13  David Edelsohn  <edelsohn@gnu.org>
9621
9622         * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
9623         (SPEFSCR_REGNO): Delete definition.
9624         * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
9625         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9626         * config/rs6000/rs6000.h: Do not define *_REGNO.
9627         LINK_REGISTER_REGNUM -> LR_REGNO.
9628         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9629         * config/rs6000/predicates.md: LINK_REGISTER_REGNUM ->  LR_REGNO.
9630         COUNT_REGISTER_REGNUM -> CTR_REGNO.
9631         * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
9632         R_VRSAVE, R_VSCR. Use them.
9633         * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
9634         R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR.  Use them.
9635         * config/rs6000/rs6000.md: Define REGNO constants.  Use them.
9636         * config/rs6000/aix.h: Define R_LR.  Use it.
9637
9638 2007-07-13  Caroline Tice  <ctice@apple.com>
9639
9640         * toplev.c (process_options): Turn flag_var_tracking_uninit off when
9641         flag_var_tracking is explicitly turned off (i.e. when variable
9642         tracking is not feasible); otherwise, turn flag_var_tracking on when
9643         flag_var_tracking_uninit is on.
9644         * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
9645         note definitions, to allow recording of initialization status in the
9646         notes.
9647         * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
9648         (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
9649         determine if two note locations are equal.
9650         (output_loc_list): Don't output list entries whose start & end labels
9651         are the same.
9652         (reg_loc_descriptor): Add parameter for initialization status; pass it
9653         to other loc descriptor functions.
9654         (one_reg_loc_descriptor): Add parameter for initialization status;
9655         check its value and add DW_OP_GNU_uninit to returned loc descr if
9656         appropriate.
9657         (multiple_reg_loc_descriptor): Add parameter for initialization
9658         status;
9659         pass init status argument to other loc descriptor functions; check
9660         value of intialization parameter and add DW_OP_GNU_uninit to returned
9661         loc descr if appropriate.
9662         (based_loc_descr): Add parameter for initialization status; add new
9663         variable for return value; check value of initialization parameter and
9664         add DW_OP_GNU_uninit to returned loc descr if appropriate.
9665         (concatn_mem_loc_descriptor): Add parameter for initialization status;
9666         pass init status argument to other loc descriptor functions; check
9667         value of intialization parameter and add DW_OP_GNU_uninit to returned
9668         loc descr if appropriate.
9669         (mem_loc_descriptor): Likewise.
9670         (concat_loc_descriptor): Likewise.
9671         (concatn_loc_descriptor): Likewise.
9672         (loc_descriptor): Add parameter for initialization status; pass it as
9673         argument to other loc descriptor function calls.
9674         (loc_descriptor_from_tree_1): Add appropriate initialization status
9675         to loc descriptor function calls.
9676         (add_location_or_const_value_attribute): Get initialization status
9677         from VAR_LOCATION note; add initialization status to loc descriptor
9678         function calls.
9679         * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
9680         * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
9681         status is uninitialized, add "[uninint]" to output.
9682         * common.opt (fvar-tracking-uninit): New option, similar to
9683         fvar-tracking, to turn on tracking of uninitialized variables; creates
9684         a new global flag, flag_var_tracking_uninit.
9685         * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
9686         (enum var_init_status): New type, for var initialization status field.
9687         * var-tracking.c (struct location_chain_def): Two new fields, init,
9688         for initialization status, and set_src for the assignment value expr.
9689         (unshare_variable): New parameter for initialization status;
9690         initialize new init and set_src fields.
9691         (var_reg_set): New parameters for initialization status and value;
9692         pass them to set_variable_part.
9693         (var_mem_set): Likewise.
9694         (get_init_value): New function.
9695         (var_reg_delete_and_set): New initialization status & value
9696         parameters; add call to get_init_value if status is unknown; pass new
9697         parameters to clobber_variable_part and var_reg_set.
9698         (var_mem_delete_and_set): Likewise.
9699         (var_reg_delete): Pass null set_src value to clobber_variable_part.
9700         (var_mem_delete): Likewise.
9701         (variable_union): Pass status to unshare_variable; initialize new init
9702         and set_src fields. If flag_var_tracking_uninit is not set, force
9703         status to initialized.
9704         (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
9705         used later to get the set_src value.
9706         (find_src_status): New function.
9707         (find_src_set_src): New function.
9708         (compute_bb_dataflow): Pass init status to calls to var_reg_set,
9709         var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
9710         MO_SET, get set_src value and pass it to var_reg_delete_and_set
9711         and var_mem_delete_and_set.
9712         (dump_variable): Print out "[uninit]" if appropriate.
9713         (set_variable_part): Add new initialization and set_src parameters;
9714         pass status to unshare_variable; set node->init and node- >set_src
9715         fields and modify slot in hash table appropriately; save the init and
9716         set_src values if appropriate and assign to the new node.
9717         (clobber_variable_part): New set_src parameter; if two nodes have
9718         same variable and same location but different set_src (assignment)
9719         values, clobber old node.
9720         (delete_variable_part): Pass init status to unshare_variable.
9721         (emit_note_insn_var_location): Add initialized var; assign var's init
9722         status to new 'initialized'; pass new init status field to calls to
9723         gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
9724         status to initialized.
9725         (emit_notes_in_bb): Pass initialization status to calls to
9726         var_reg_set, var_mem_set, var_reg_delete_and_set and
9727         var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
9728         var_reg_delete_and_set and var_mem_delete_and_set; call
9729         emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
9730         make up for change in add_stores.
9731         (vt_add_function_parameters): Add status to calls to
9732         set_variable_part.
9733         * config/darwin.c (darwin_override_options): Turn on uninitialized
9734         tracking automatically, if var_tracking is on and the system is
9735         10.5 or higher.
9736
9737 2007-07-13  Sa Liu  <saliu@de.ibm.com>
9738
9739         * config.gcc: Add options for arch and tune on SPU.
9740         * config/spu/predicates.md: Add constant operands 0 and 1.
9741         * config/spu/spu-builtins.def: Add builtins for double precision
9742         floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
9743         si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
9744         spu_testsv.
9745         * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
9746         a CELLEDP target.
9747         * config/spu/spu-protos.h: Add new function prototypes.
9748         * config/spu/spu.c (spu_override_options): Check options -march and
9749         -mtune.
9750         (spu_comp_icode): Add comparison code for DFmode and vector mode.
9751         (spu_emit_branch_or_set): Use the new code for DFmode and vector
9752         mode comparison.
9753         (spu_const_from_int): New.  Create a vector constant from 4 ints.
9754         (get_vec_cmp_insn): New.  Get insn index of vector compare instruction.
9755         (spu_emit_vector_compare): New.  Emit vector compare.
9756         (spu_emit_vector_cond_expr): New.  Emit vector conditional expression.
9757         * config/spu/spu.h: Add options -march and -mtune.  Define processor
9758         types PROCESSOR_CELL and PROCESSOR_CELLEDP.  Define macro
9759         CANONICALIZE_COMPARISON.
9760         * config/spu/spu.md: Add new insns for double precision compare
9761         and double precision vector compare.  Add vcond and smax/smin patterns
9762         to enable DFmode vector conditional expression.
9763         * config/spu/spu.opt: Add options -march and -mtune.
9764         * config/spu/spu_internals.h: Add builtins for CELLEDP target:
9765         si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv.  Add builtin for
9766         both CELL and CELLEDP targets: spu_testsv.
9767         * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
9768         values.
9769
9770 2007-07-13  Richard Guenther  <rguenther@suse.de>
9771
9772         PR tree-optimization/32721
9773         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
9774         TREE_THIS_VOLATILE on the folded reference.
9775         * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
9776         if the array reference has TREE_THIS_VOLATILE set.
9777
9778 2007-07-13  H.J. Lu  <hongjiu.lu@intel.com>
9779
9780         PR other/32188
9781         * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
9782
9783 2007-07-13  Andreas Schwab  <schwab@suse.de>
9784
9785         * gengtype-lex.l: Allow declarations to be indented.
9786
9787 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9788
9789         * ginclude/tgmath.h: New.
9790         * config.gcc: Use GCC's tgmath.h on non-glibc systems.
9791         * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
9792         * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
9793         * configure: Regenerate.
9794
9795 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9796
9797         * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
9798         correct index when setting register save state for xd
9799         registers.
9800
9801 2007-07-13  Kaz Kojima  <kkojima@gcc.gnu.org>
9802
9803         * config/sh/sh.c (mark_use): Remove.
9804
9805 2007-07-12  Paul Brook  <paul@codesourcery.com>
9806
9807         * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
9808         reg does not overlap return value.
9809
9810 2007-07-12  Daniel Berlin  <dberlin@dberlin.org>
9811
9812         * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
9813         (set_expression_vuses): Ditto.
9814         (init_pre): Initialize expression_vuses.
9815
9816 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9817
9818         * config/i386/sse.md (storentdf, storentsf): New.
9819
9820 2007-07-12  Geoffrey Keating  <geoffk@apple.com>
9821
9822         * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
9823         FUNCTION_DECL.
9824         * tree.c (build_decl_stat): Move code from here...
9825         (make_node_stat): ... to here.  Don't uselessly clear DECL_USER_ALIGN.
9826         (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL.  Add comment
9827         about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
9828         * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
9829         * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
9830         FUNCTION_BOUNDARY.
9831
9832 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9833             Devang Patel  <dpatel@apple.com>
9834
9835         PR tree-optimization/25413
9836         * targhooks.c (default_builtin_vector_alignment_reachable): New.
9837         * targhooks.h (default_builtin_vector_alignment_reachable): New.
9838         * tree.h (contains_packed_reference): New.
9839         * expr.c (contains_packed_reference): New.
9840         * tree-vect-analyze.c (vector_alignment_reachable_p): New.
9841         (vect_enhance_data_refs_alignment): Call
9842         vector_alignment_reachable_p.
9843         * target.h (vector_alignment_reachable): New builtin.
9844         * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
9845         * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
9846         (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
9847
9848 2007-07-12  Dorit Nuzman  <dorit@il.ibm.com>
9849
9850         * target.h (builtin_vectorization_cost): Add new target builtin.
9851         * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
9852         * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
9853         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
9854         * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
9855         uninitialized variables.
9856         * tree-vect-transform.c (cost_for_stmt): New function.
9857         (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
9858         using cost 1 for all scalar stmts. Be less conservative when
9859         estimating the number of prologue/epulogue iterations. Call
9860         targetm.vectorize.builtin_vectorization_cost. Return
9861         min_profitable_iters-1.
9862         (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
9863         initialization cost instead of TARG_VEC_STMT_COST. Use
9864         TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
9865         epilogue code. Fix epilogue cost computation.
9866         * config/spu/spu.c (spu_builtin_vectorization_cost): New.
9867         (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
9868         * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
9869         (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
9870         (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
9871         (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
9872
9873 2007-07-12  Richard Guenther  <rguenther@suse.de>
9874
9875         * gimplify.c (gimplify_conversion): Make sure that the result
9876         from maybe_fold_offset_to_reference is trivially convertible
9877         to the desired type before doing the simplification.
9878         (gimplify_expr): Likewise.
9879         * fold-const.c (fold_binary): Use the correct types for
9880         building the simplified expression.
9881
9882 2007-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
9883
9884         PR rtl-optimization/32729
9885         * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
9886         that fallthru to exit.
9887
9888 2007-07-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9889
9890         * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
9891         (symDTPOFF2reg): Likewise.
9892
9893 2007-07-11  Daniel Berlin  <dberlin@dberlin.org>
9894
9895         PR tree-optimization/32663
9896
9897         * tree.h (VALUE_HANDLE_VUSES): Remove.
9898         (struct tree_value_handle): Remove vuses.
9899
9900         * tree-vn.c (create_value_handle_for_expr): Don't set
9901         VALUE_HANDLE_VUSES.
9902
9903         * tree-ssa-pre.c (expression_vuses): New.
9904         (alloc_expression_id): Set up expression_vuses.
9905         (get_expression_vuses): New.
9906         (set_expression_vuses): Ditto.
9907         (clear_expression_ids): Modify for expression_vuses.
9908         (phi_translate_1): Ditto.
9909         (phi_translate_set): Ditto.
9910         (value_dies_in_block_x): Ditto
9911         (valid_in_sets): Ditto.
9912         (add_to_sets): Ditto.
9913         (find_existing_value_expr): Ditto.
9914         (create_value_handle_for_expr): Ditto.
9915         (make_values_for_stmt): Ditto.
9916         (vuse_equiv): Remove.
9917
9918 2007-07-11  Alexandre Oliva  <aoliva@redhat.com>
9919
9920         * Makefile.in (mostlyclean): Remove object files.
9921
9922 2007-07-11  Kenneth Zadeck <zadeck@naturalbridge.com>
9923
9924         * toplev.c (no_new_pseudos): Deleted.
9925         * rtl.h (no_new_pseudos): Deleted.
9926         * tree-pass.h (pass_no_new_pseudos): Deleted.
9927         * passes.c (pass_no_new_pseudos): Deleted.
9928         * final.c (rest_of_clean_state): Removed no_new_pseudos.
9929         (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
9930         * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
9931         reload_completed.
9932         * cfgcleanup.c (try_crossjump_to_edge): Ditto.
9933         * rtlhooks.c (gen_lowpart_general): Ditto.
9934         * optabs.c (prepare_operand): Ditto.
9935         * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
9936         no_new_pseudos.
9937         * modulo-sched.c (rest_of_handle_sms): Ditto.
9938         * see.c (rest_of_handle_see): Ditto.
9939         * ifcvt.c (if_convert): Ditto.
9940         (gate_handle_if_after_combine): Replaced no_new_pseudos with
9941         reload_completed.
9942         * init-regs.c (gate_initialize_regs): Deleted set of
9943         no_new_pseudos.
9944         * lower-subreg.c (decompose_multiword_subregs): Ditto.
9945         * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
9946         * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
9947
9948 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9949
9950         PR target/32661
9951         * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
9952         (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
9953         (*vec_extractv2di_1_rex64): New insn pattern.
9954
9955 2007-07-11  David Daney  <ddaney@avtrex.com>
9956
9957         * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
9958         return address calculation.  Substitute DWARF_ALT_FRAME_RETURN_COLUMN
9959         for SIGNAL_UNWIND_RETURN_COLUMN.
9960         * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
9961         (DWARF_FRAME_REGNUM): Rewrite.
9962         (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
9963
9964 2007-07-11  Nick Clifton  <nickc@redhat.com>
9965
9966         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
9967         delta and use gen_int_mode in place of GET_INT instead.
9968
9969 2007-07-11  Uros Bizjak  <ubizjak@gmail.com>
9970
9971         * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
9972         and letter field.
9973
9974 2007-07-11  Douglas Gregor  <doug.gregor@gmail.com>
9975
9976         * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
9977         (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
9978         types or not.
9979         * params.h (VERIFY_CANONICAL_TYPES): Remove.
9980         (USE_CANONICAL_TYPES): New.
9981         * doc/invoke.texi (verify-canonical-types): Remove.
9982         (use-canonical-types): Add.
9983
9984 2007-07-11  Ulrich Weigand  <uweigand@de.ibm.com>
9985
9986         * config/spu/spu.c (spu_optimization_options): Remove setting of
9987         parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
9988         (spu_override_options): Move it here.
9989
9990 2007-07-11  Richard Sandiford  <richard@codesourcery.com>
9991
9992         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
9993         * config/mips/mips.c (mips_cpu_info_table): Mention
9994         MIPS_ISA_LEVEL_SPEC in the comment.
9995
9996 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
9997
9998         PR tree-optimization/32713
9999         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
10000
10001 2007-07-11  Paolo Carlini  <pcarlini@suse.de>
10002
10003         PR middle-end/30482
10004         * c-opts.c (c_common_post_options): Do not change flag_complex_method
10005         conditional to flag_isoc99.
10006         (c_common_init_options): Do it here, unconditionally.
10007
10008 2007-07-11  Eric Botcazou  <ebotcazou@adacore.com>
10009
10010         PR tree-optimization/32589
10011         * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
10012         * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
10013         * tree-ssa-propagate.c (valid_gimple_expression_p): New
10014         predicate, extracted from...
10015         (set_rhs): ...here.  Call it for the expression on entry.
10016         * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
10017         * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
10018         (simplify_binary_expression): Use valid_gimple_expression_p
10019         to validate the simplification.
10020         * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
10021
10022 2007-07-11  Danny Smith  <dannysmith@users.sourceforge.net>
10023
10024         * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
10025         DWARF2_DEBUG on 32 bit target too.
10026         (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
10027
10028 2007-07-11  Nick Clifton  <nickc@redhat.com>
10029
10030         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
10031         version for 64-bit hosts.
10032
10033 2007-07-10  David Daney  <ddaney@avtrex.com>
10034
10035         * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
10036         predicate.
10037         (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of  library
10038         call.
10039         * config/mips/mips.c (mips_expand_synci_loop): New function.
10040         * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
10041         (UNSPEC_RDHWR): Same.
10042         (UNSPEC_SYNCI): Same.
10043         (UNSPEC_SYNC): Same.
10044         (clear_cache): New expand.
10045         (sync): New insn.
10046         (synci): Same.
10047         (rdhwr): Same.
10048         (clear_hazard): Same.
10049         * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
10050         function.
10051         * testsuite/gcc.target/mips/clear-cache-1.c: New test.
10052         * testsuite/gcc.target/mips/clear-cache-2.c: New test.
10053
10054 2007-07-10  Ian Lance Taylor  <iant@google.com>
10055
10056         * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
10057         no_new_pseudos.
10058
10059 2007-07-10  David Daney  <ddaney@avtrex.com>
10060
10061         * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
10062         * builtins.c (expand_builtin___clear_cache): New function.
10063         (expand_builtin): Call expand_builtin___clear_cache for
10064         BUILT_IN_CLEAR_CACHE case.
10065         * doc/extend.texi (__builtin___clear_cache): Document new builtin.
10066         * doc/md.texi (clear_cache): Document new instruction pattern.
10067         * testsuite/gcc.dg/builtins-64.c: New test.
10068
10069 2007-07-11  Hans-Peter Nilsson  <hp@axis.com>
10070
10071         * config/cris/cris.md ("movsi"): Fix typo in last change.
10072
10073 2007-07-09  Geoffrey Keating  <geoffk@apple.com>
10074
10075         PR 32617
10076         * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
10077         FUNCTION_DECLs.
10078         (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
10079         * varasm.c (assemble_start_function): Honor DECL_ALIGN
10080         for FUNCTION_DECLs.  Don't use align_functions_log if
10081         DECL_USER_ALIGN.
10082         * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
10083         even for FUNCTION_DECLs.
10084         * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
10085         FUNCTION_DECLs.
10086         * tree.h (DECL_ALIGN): Update for new location of 'align'.
10087         (DECL_FUNCTION_CODE): Update for new location and name of
10088         'function_code'.
10089         (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
10090         (struct tree_decl_common): Move 'align' and 'off_align' out
10091         of union, ensure they're still on a 32-bit boundary.  Remove
10092         other fields in union 'u1'.
10093         (struct tree_function_decl): Add field 'function_code' replacing
10094         'u1.f' in tree_decl_common.
10095         * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
10096         * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
10097         (Variable Attributes): Cross-reference 'aligned' attribute
10098         to Function Attributes.
10099         * flags.h (force_align_functions_log): Delete.
10100         * toplev.c (force_align_functions_log): Delete.
10101
10102 2007-07-10  Uros Bizjak  <ubizjak@gmail.com>
10103
10104         PR target/32708
10105         * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
10106         (*vec_concatv2di_rex): New insn pattern.
10107
10108 2007-07-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10109
10110         PR target/32538
10111         * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
10112
10113 2007-07-10  Ian Lance Taylor  <iant@google.com>
10114
10115         Replace no_new_pseudos in backends.
10116         * rtl.h (can_create_pseudo_p): Define.
10117         * config/darwin.c (machopic_indirect_data_reference): Use
10118         can_create_pseudo_p () instead of no_new_pseudos.
10119         (machopic_indirect_data_reference): Likewise.
10120         (machopic_legitimize_pic_address): Likewise.
10121         * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
10122         (alpha_emit_set_const_1): Likewise.
10123         (alpha_emit_set_const): Likewise.
10124         (alpha_emit_conditional_move): Likewise.
10125         (alpha_split_conditional_move): Likewise.
10126         * config/alpha/alpha.md (various splitters): Likewise.
10127         (movti): Likewise.
10128         * config/arm/arm.c (legitimize_pic_address): Likewise.
10129         (arm_load_pic_register): Likewise.
10130         * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
10131         (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
10132         * config/bfin/bfin.c (legitimize_pic_address): Likewise.
10133         * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
10134         * config/cris/cris.md (movsi): Likewise.
10135         * config/frv/frv.md (symGOT2reg_hilo): Likewise.
10136         (symGOTOFF2reg_hilo): Likewise.
10137         (symGPREL2reg, symGPREL2reg_hilo): Likewise.
10138         * config/h8300/h8300.md (insv, extzv): Likewise.
10139         * config/i386/i386.c (ix86_expand_move): Likewise.
10140         (ix86_expand_vector_move): Likewise.
10141         (ix86_prepare_fp_compare_args): Likewise.
10142         (ix86_expand_carry_flag_compare): Likewise.
10143         * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
10144         (tls_dynamic_gnu2_combine_32): Likewise.
10145         (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
10146         * config/ia64/ia64.c (ia64_expand_move): Likewise.
10147         (ia64_expand_movxf_movrf): Likewise.
10148         * config/m32c/m32c.c (m32c_prepare_move): Likewise.
10149         (m32c_split_move): Likewise.
10150         (m32c_expand_insv): Likewise.
10151         * config/m68k/m68k.md (movsi): Likewise.
10152         * config/mips/mips.c (mips_force_temporary): Likewise.
10153         (mips_split_symbol): Likewise.
10154         (mips_move_integer): Likewise.
10155         (mips_legitimize_const_move): Likewise.
10156         * config/mn10300/mn10300.md (movsi): Likewise.
10157         * config/pa/pa.c (emit_move_sequence): Likewise.
10158         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
10159         (rs6000_got_register): Likewise.
10160         (create_TOC_reference): Likewise.
10161         (rs6000_machopic_legitimize_pic_address): Likewise.
10162         * config/rs6000/rs6000.md (add<mode>3): Likewise.
10163         (various splitters): Likewise.
10164         (iorsi3, xorsi3, iordi3, xordi3): Likewise.
10165         (movsi_got): Likewise.
10166         * config/s390/s390.c (emit_symbolic_move): Likewise.
10167         * config/s390/s390.md (movhi, movqi): Likewise.
10168         (load_multiple, store_multiple): Likewise.
10169         * config/score/score.c (score_force_temporary): Likewise.
10170         * config/sh/sh.c (prepare_move_operands): Likewise.
10171         (prepare_cbranch_operands): Likewise.
10172         (emit_fpu_switch): Likewise.
10173         (fpscr_set_from_mem): Likewise.
10174         * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
10175         (adddi3, subsi3): Likewise.
10176         (various splitters): Likewise.
10177         (divsi_inv_fp_combine): Likewise.
10178         (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
10179         (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
10180         (sne): Likewise.
10181         * config/sh/predicates.md (xor_operand): Likewise.
10182         * config/sparc/sparc.c (legitimize_tls_address): Likewise.
10183         * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
10184         (movdi_pic_label_ref): Likewise.
10185         * config/spu/spu.c (spu_split_immediate): Likewise.
10186         * config/alpha/alpha.md (various splitters): Remove test
10187         !no_new_pseudos || reload_completed.
10188         * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
10189         no_new_pseudos.
10190         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
10191         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
10192         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
10193         * config/score/score.c (th_output_mi_thunk): Likewise.
10194         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
10195         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
10196
10197 2007-07-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10198
10199         PR rtl-optimization/32664
10200         * mode-switching.c (create_pre_exit): Skip barrier insns.
10201
10202 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10203
10204         * tree-scalar-evolution.c (scev_const_prop): Add arguments to
10205         force_gimple_operand_bsi.
10206         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
10207         rewrite_use_compare): Ditto.
10208         * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
10209         Ditto.
10210         * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
10211         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
10212         * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
10213         * tree-profile.c (prepare_instrumented_value,
10214         tree_gen_interval_profiler, tree_gen_pow2_profiler,
10215         tree_gen_one_value_profiler, tree_gen_ic_profiler,
10216         tree_gen_ic_func_profiler, tree_gen_average_profiler,
10217         tree_gen_ior_profiler): Ditto.
10218         * tree-ssa-reassoc.c (negate_value): Ditto.
10219         * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
10220         Use force_gimple_operand_bsi.
10221         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
10222         * tree-if-conv.c (add_to_dst_predicate_list,
10223         find_phi_replacement_condition): Ditto.
10224         * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
10225         Call mark_symbols_for_renaming for new statements.
10226         * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
10227
10228 2007-07-10  Zdenek Dvorak  <dvorakz@suse.cz>
10229
10230         * cfghooks.c (remove_edge): New function.
10231         (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
10232         loop exit rescans.
10233         * cfghooks.h (remove_edge): Declare.
10234         * cfg.c (remove_edge): Renamed to remove_edge_raw.
10235         * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
10236
10237 2007-07-09  Wolfgang Gellerich  <gellerich@de.ibm.com>
10238
10239         * optabs.h: Added declaration for signbit_optab.
10240         * optabs.c: (init_optabs): Added initialization for signbit_optab.
10241         * genoptinit.c (optabs): Added entry for signbit insns.
10242         * builtins.c (expand_builtin_signbit): Added code to use a signbit
10243         insn, if available.
10244         * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
10245         * config/s390/s390.md (signbit<mode>2): New expander.
10246
10247 2007-07-09  Richard Guenther  <rguenther@suse.de>
10248
10249         PR middle-end/32698
10250         * fold-const.c (fold_plusminus_mult_expr): Move constant
10251         arguments second to allow decomposing.
10252
10253 2007-07-09  Alexandre Oliva  <aoliva@oliva.athome.lsd.ic.unicamp.br>
10254
10255         Revert:
10256         2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10257         PR debug/23551
10258         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10259         Disregard DECL_FROM_INLINE.
10260
10261 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10262
10263         PR target/27855
10264         * doc/invoke.texi: Add ftree-reassoc flag.
10265         * common.opt (ftree-reassoc): New flag.
10266         * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
10267         (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
10268
10269 2007-07-09  Uros Bizjak  <ubizjak@gmail.com>
10270
10271         PR tree-optimization/32681
10272         * tree-if-conv.c (find_phi_replacement_condition): Use the condition
10273         saved in second_edge->aux when first_bb is a loop header.
10274
10275 2007-07-09  Jan HUbicka  <jh@suse.cz>
10276
10277         * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
10278
10279 2007-07-09  Richard Guenther  <rguenther@suse.de>
10280
10281         * c-decl.c (start_function): Do not promote return type.
10282
10283 2007-07-08  Daniel Franke  <franke.daniel@gmail.com>
10284
10285         * function.c (do_warn_unused_parameter): Do not warn if
10286         TREE_NO_WARNING is set.
10287
10288 2007-07-08  Andreas Schwab  <schwab@suse.de>
10289
10290         * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
10291
10292 2007-07-08  Sandra Loosemore  <sandra@codesourcery.com>
10293
10294         Revert this patch:
10295         2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10296
10297         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10298         apply to assembly language, too.
10299         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10300
10301 2007-07-07  Daniel Berlin  <dberlin@dberlin.org>
10302
10303         Revert (note the sccvn portions are *not* reverted)
10304         2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10305
10306         Fix PR tree-optimization/23488
10307
10308         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10309         handles.
10310         * tree-flow-inline.h (get_value_handle): Ditto.
10311         * tree-ssa-pre.c (decl_vh_map): New.
10312         (decl_node_pool): New.
10313         (can_value_number_operation): Support DECL_P.
10314         (can_PRE_operation): Ditto.
10315         (create_expression_by_pieces): Ditto.
10316         (find_existing_value_expr): Modify to differnetiate between
10317         addressing and top level.
10318         (create_value_handle_for_expr): Handle DECL's.
10319         (poolify_tree): Ditto.
10320         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10321         (make_values_for_stmt): Handle DECL's properly.
10322         (init_pre): Reorg to not init useless things during FRE.
10323         (fini_pre): Ditto.
10324         * tree-flow.h: Include pointer-set.h.
10325         (decl_vh_map): Declare.
10326         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10327
10328 2007-07-07 Eric Weddington  <eweddington@cso.atmel.com>
10329
10330         * config/avr/constraints.md (define_memory_constraint "Q"): Fix
10331         the constraint description.
10332         * doc/md.texi: Update documentation of AVR constraints.
10333
10334 2007-07-07  Kazu Hirata  <kazu@codesourcery.com>
10335
10336         * auto-inc-dec.c, config/arm/arm.c,
10337         config/m32r/constraints.md, config/mips/mips.md,
10338         config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
10339         df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
10340         tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
10341         typos.  Follow spelling conventions.
10342         * doc/invoke.texi, doc/rtl.texi: Fix typos.
10343
10344         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
10345         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
10346
10347         * tree-ssa-operands.c (realloc_vop, realloc_vdef,
10348         realloc_vuse): Remove.
10349         * tree-ssa-operands.h: Remove the prototype for realloc_vdef
10350         and realloc_vuse.
10351
10352 2007-07-06  Daniel Berlin  <dberlin@dberlin.org>
10353
10354         Fix PR tree-optimization/23488
10355
10356         * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
10357         (try_to_simplify): Ditto.
10358         (visit_use): Ditto.
10359         * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
10360         handles.
10361         * tree-flow-inline.h (get_value_handle): Ditto.
10362         * tree-ssa-pre.c (decl_vh_map): New.
10363         (decl_node_pool): New.
10364         (can_value_number_operation): Support DECL_P.
10365         (can_PRE_operation): Ditto.
10366         (create_expression_by_pieces): Ditto.
10367         (find_existing_value_expr): Modify to differnetiate between
10368         addressing and top level.
10369         (create_value_handle_for_expr): Handle DECL's.
10370         (poolify_tree): Ditto.
10371         (make_values_for_phi): Don't insert into PHI_GEN during FRE.
10372         (make_values_for_stmt): Handle DECL's properly.
10373         (init_pre): Reorg to not init useless things during FRE.
10374         (fini_pre): Ditto.
10375         * tree-flow.h: Include pointer-set.h.
10376         (decl_vh_map): Declare.
10377         * Makefile.in (TREE_FLOW_H): Add pointer-set.h
10378
10379 2007-07-06  Sandra Loosemore  <sandra@codesourcery.com>
10380
10381         * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
10382         apply to assembly language, too.
10383         * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
10384
10385 2007-07-06  Ian Lance Taylor  <iant@google.com>
10386             Zack Weinberg  <zackw@panix.com>
10387
10388         PR middle-end/32441
10389         * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
10390
10391 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10392
10393         * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
10394         (prefetch): Likewise if "pref" would be used.
10395
10396 2007-07-06  Josh Conner  <jconner@apple.com>
10397
10398         PR middle-end/32602
10399         PR middle-end/32603
10400         * calls.c (store_one_arg): Handle arguments which are partially
10401         on the stack when detecting argument overlap.
10402
10403 2007-07-06  Bernd Schmidt  <bernd.schmidt@analog.com>
10404
10405         * reload1.c (choose_reload_regs): Set reload_spill_index for regs
10406         chosen during find_reloads.
10407
10408 2007-07-06  Richard Guenther  <rguenther@suse.de>
10409
10410         * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
10411         TYPE_ARG_TYPES for verification of argument types.  Use
10412         DECL_ARG_TYPE instead of the PARM_DECL type.  Take excess
10413         parameters as variable arguments.
10414
10415 2007-07-06  Andreas Krebbel  <krebbel1@de.ibm.com>
10416
10417         * libgcc2.h (word_type): Type definition removed.
10418         (cmp_return_type, shift_count_type): Type definitions added.
10419         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10420         replaced with shift_count_type.
10421         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10422         cmp_return_type.
10423         * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
10424         changed from word_type to Wtype.
10425         (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
10426         replaced with shift_count_type.
10427         (__cmpdi2, __ucmpdi2): word_type of return type replaced with
10428         cmp_return_type.
10429         * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
10430         and libgcc_shift_count attribute added.
10431         * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
10432         TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
10433         (TARGET_INITIALIZER): New target hooks added.
10434         * targhooks.c (default_libgcc_cmp_return_mode,
10435         default_libgcc_shift_count_mode): Default implementations for the new
10436         target hooks added.
10437         * targhooks.h (default_libgcc_cmp_return_mode,
10438         default_libgcc_shift_count_mode): Function prototypes added.
10439         * target.h (struct gcc_target): Fields for the new target hooks added.
10440         * optabs.c (expand_binop): Use shift_count_mode when expanding shift
10441         as library call.
10442         (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
10443         library call.
10444
10445         * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
10446         TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
10447
10448         * config/s390/s390.c (s390_libgcc_cmp_return_mode,
10449         s390_libgcc_shift_count_mode): Functions added.
10450         (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
10451         Target hooks defined.
10452
10453 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10454
10455         * config/mips/mips.c (compute_frame_size): Restore the original
10456         gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
10457         fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
10458         Document why the difference is needed.
10459
10460 2007-07-06  Richard Guenther  <rguenther@suse.de>
10461
10462         * c-common.c (boolean_increment): Use correctly typed
10463         constant.
10464
10465 2007-07-06  Richard Sandiford  <richard@codesourcery.com>
10466
10467         * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
10468         the topmost argument register is not also included in the save mask.
10469         (mips16e_collect_argument_save_p): Take a pointer to the argument
10470         register, rather than a pointer to the number of arguments.
10471         (mips16e_collect_argument_saves): Only include argument saves
10472         that aren't in the register mask.
10473
10474 2007-07-06  Uros Bizjak  <ubizjak@gmail.com>
10475
10476         PR rtl-optimization/32450
10477         * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
10478         to ensure that instructions are not moved into the prologue when
10479         profiling is on.  Remove unused prologue_end variable.
10480         (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
10481         as a scheduling barrier.
10482
10483 2007-07-06  Alexandre Oliva  <aoliva@redhat.com>
10484
10485         PR debug/23551
10486         * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
10487         Disregard DECL_FROM_INLINE.
10488
10489 2007-07-05  Adam Nemet  <anemet@caviumnetworks.com>
10490
10491         * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
10492         IORing with a constant.
10493
10494 2007-07-05  Seongbae Park  <seongbae.park@gmail.com>
10495
10496         PR rtl-optimization/32475
10497         * df-scan.c (df_def_record_1): Add a use of the stack pointer
10498         for every definition of the stack pointer.
10499
10500 2007-07-05  Richard Earnshaw  <rearnsha@arm.com>
10501
10502         * arm.c (vfp3_const_double_index): Copy signed results of
10503         REAL_VALUE_TO_INT into unsigned vars.
10504
10505 2007-07-05  Richard Guenther  <rguenther@suse.de>
10506
10507         PR middle-end/32639
10508         * alias.c (get_alias_set): Tread METHOD_TYPE the same as
10509         FUNCTION_TYPE.
10510         * tree-ssa.c (useless_type_conversion_p): Check canonical
10511         types early.
10512
10513 2007-07-05 Anatoly Sokolov <aesok@post.ru>
10514
10515         * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
10516         zero_extendhisi2): Change to define_insn_and_split.
10517         (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
10518
10519 2007-07-05  Paolo Bonzini  <bonzini@gnu.org>
10520
10521         * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
10522         pass_match_asm_constraints): New.
10523         * passes.c (init_optimization_passes): Add new pass.
10524         * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
10525         * function.h (struct function): Add has_asm_statement bit.
10526         (current_function_has_asm_statement): New.
10527         * tree-pass.h (pass_match_asm_constraints): New.
10528
10529 2007-07-05  Richard Sandiford  <rsandifo@nildram.co.uk>
10530
10531         * config/mips/mips.c (mips_file_start): Avoid declaration
10532         after code.
10533
10534 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10535
10536         * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
10537
10538 2007-07-05  Uros Bizjak  <ubizjak@gmail.com>
10539
10540         * rtl.def (NOTE): Change print format string to print
10541         operand 5 as a note insn name.
10542
10543 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10544             David Ung  <davidu@mips.com>
10545
10546         * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
10547         * doc/invoke.texi: (MIPS Options): Document them.
10548
10549 2007-07-05  Sandra Loosemore  <sandra@codesourcery.com>
10550             David Ung  <davidu@mips.com>
10551
10552         Add support for SmartMIPS ASE.
10553
10554         * optabs.c (expand_binop_directly): New, broken out from...
10555         (expand_binop): Here.  Make it try rotating in the other
10556         direction even when the second operand isn't constant.
10557         * config/mips/mips.md (*lwxs): New.
10558         * config/mips/mips.opt (msmartmips): New.
10559         * config/mips/mips.c (mips_lwxs_address_p): New.
10560         (mips_rtx_costs): Make it recognize scaled indexed addressing.
10561         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
10562         __mips_smartmips when compiling for TARGET_SMARTMIPS.
10563         (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
10564         (ISA_HAS_LWXS): New.
10565         (ASM_SPEC): Add -msmartmips/-mno-smartmips.
10566         * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
10567         * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
10568         * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
10569         * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
10570         * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
10571         * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
10572
10573 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10574
10575         * tree-vectorizer.c (new_loop_vec_info): Initialize
10576         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10577         * tree-vectorizer.h (_loop_vec_info): Added new filed
10578         min_profitable_iters.
10579         (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
10580         (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
10581         * tree-vect-analyze.c (vect_analyze_operations): Set
10582         LOOP_VINFO_COST_MODEL_MIN_ITERS.
10583         * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
10584         VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
10585         Fix calculation of peel_iters_prologue. Move consideration of epilogue
10586         and prologue cost to after they are computed.
10587         (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
10588         TARG_VEC_STMT_COST.
10589         (vect_model_simple_cost): Takes additional argument dt. Consider cost
10590         of creating vectors from scalars according to dt.
10591         (vect_model_store_cost): Likewise.
10592         (vectorizable_call): Use dt array instead of scalar dt. Call
10593         vect_model_simple_cost with additional argument dt.
10594         (vectorizable_assignment): Likewise.
10595         (vectorizable_operation): Likewise.
10596         (vectorizable_type_demotion): Likewise.
10597         (vectorizable_type_promotion): Likewise.
10598         (vectorizable_store): Use dt array instead of scalar dt. Call
10599         vect_model_store_cost with additional argument dt.
10600         (vect_do_peeling_for_loop_bound): Don't call
10601         vect_estimate_min_profitable_iters. Instead, lookup
10602         LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
10603         "may not be profitable".
10604
10605 2007-07-05  Dorit Nuzman  <dorit@il.ibm.com>
10606
10607         PR testsuite/32014
10608         * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
10609         (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
10610         (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
10611         (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
10612
10613 2007-07-05  Zdenek Dvorak  <dvorakz@suse.cz>
10614
10615         * config/i386/i386.c (ix86_address_cost): Do not consider more complex
10616         addressing modes cheaper.
10617
10618 2007-07-05  Alexandre Oliva  <aoliva@redhat.com>
10619
10620         * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
10621         (dw_ranges_struct): Rename block_num to num.  Adjust.
10622         (dw_ranges_by_label_struct): New.
10623         (ranges_by_label, ranges_by_label_allocated,
10624         ranges_by_label_in_use): New variables.
10625         (add_ranges_num): Factored most of the code out of...
10626         (add_ranges): ... this one.  Rewrite in terms of the former.
10627         (add_ranges_by_labels): New.
10628         (output_ranges): Output by-label ranges.
10629         (dwarf2out_finish): Output range for multiple-section
10630         compile_unit.  Output standard DW_AT_low_pc in addition to
10631         unexpected DW_AT_entry_pc.
10632
10633 2007-07-04  Daniel Berlin  <dberlin@dberlin.org>
10634
10635         PR tree-optimization/32604
10636         PR tree-optimization/32606
10637
10638         * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
10639         (compute_antic_safe): Removed.
10640         (ANTIC_SAFE_LOADS): Ditto.
10641         (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
10642         (execute_pre): Don't call compute_antic_safe.
10643         (vuse_equiv): New function.
10644         (make_values_for_stmt): Use it
10645         * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
10646         not always true.
10647
10648 2007-07-04 Anatoly Sokolov <aesok@post.ru>
10649
10650         PR target/31331
10651         * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
10652         rather than a decl.
10653         (avr_attribute_table): Make "naked" attribute apply to function types
10654         rather than to decls.
10655         (avr_handle_fntype_attribute): New function.
10656
10657 2007-07-04  Joseph Myers  <joseph@codesourcery.com>
10658
10659         * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
10660         after \.
10661
10662 2007-07-04  David Ung  <davidu@mips.com>
10663             Joseph Myers  <joseph@codesourcery.com>
10664
10665         * config/mips/mips.md (type): Add logical, signext and move.
10666         (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
10667         *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
10668         *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
10669         combinations", *zero_extend<SHORT:mode><GPR:mode>2,
10670         *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
10671         *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
10672         *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
10673         *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
10674         *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
10675         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
10676         movv2sf_hardfloat_64bit): Use the new types.
10677         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
10678         *movdf_softfloat, *movdf_mips16): Use "multi".
10679         (extendqihi2): Replace with a define_expand.
10680         (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
10681         Based on extend<SHORT:mode><GPR:mode>2 patterns.
10682         * config/mips/74k.md (r74k_int_logical): New reservation and
10683         bypasses.
10684         (r74k_int_arith): Remove "slt".
10685         * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
10686         config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
10687         config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
10688         config/mips/sb1.md, config/mips/sr71k.md: Add new types to
10689         reservations for "arith".
10690
10691 2007-07-04  Richard Guenther  <rguenther@suse.de>
10692
10693         * tree-ssa.c (useless_type_conversion_p): Add handling for
10694         scalar float and vector types.  Only call the types_compatible_p
10695         langhook for aggregate types as last resort.  Follow the
10696         rules.
10697
10698 2007-07-04  Richard Guenther  <rguenther@suse.de>
10699
10700         * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
10701         the same as NOP_EXPR.
10702
10703 2007-07-04  Nick Clifton  <nickc@redhat.com>
10704
10705         * target.h (struct gcc_target): Add target_help field.
10706         * target-def.h (TARGET_HELP): New.
10707         (TARGET_INITIALIZER): Use TARGET_HELP.
10708         * opts.c (command_handle_option): Invoke target_help function, if
10709         defined, when the user has specified --target-help on the command
10710         line.
10711         * doc/invoke.texi: Mention that --target-help might print
10712         additional information.
10713         * doc/tm.texi: Document TARGET_HELP hook.
10714
10715         * arm.c (TARGET_HELP): Override default definition.
10716         (arm_target_help): New - display a wrapped list of cores and
10717         architectures supported.
10718
10719 2007-07-04  Rask Ingemann Lambertsen  <rask@sygehus.dk>
10720
10721         * config/v850/v850.c (expand_prologue): Make sure
10722         GEN_INT() argument is sign extended rather than zero extended.
10723         (expand_epilogue): Likewise.
10724         (output_move_double): Delete.
10725         * config/v850/v850-protos.h (output_move_double): Delete.
10726         * config/v850/v850.md (movdi): Delete.
10727         (*movdi_internal): Delete.
10728         (movdf): Delete.
10729         (*movdf_internal): Delete.
10730
10731 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10732
10733         * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
10734         unless compiling RTP PIC.
10735
10736 2007-07-04  Richard Guenther  <rguenther@suse.de>
10737
10738         PR tree-optimization/32482
10739         * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
10740         original ssa name if we didn't find a shift expression.
10741         Fix shift constant for bit zero test.
10742
10743 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10744
10745         * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
10746
10747 2007-07-04  Richard Sandiford  <richard@codesourcery.com>
10748
10749         * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
10750         * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
10751         * config/arm/vxworks.h (ASM_SPEC): Delete.
10752         (SUBTARGET_EXTRA_ASM_SPEC): Define.
10753
10754 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10755
10756         * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
10757         (DDR_REVERSED_P): New.
10758         * tree-data-ref.c (initialize_data_dependence_relation,
10759         build_classic_dist_vector): Set DDR_REVERSED_P.
10760
10761 2007-07-04  Sebastian Pop  <sebpop@gmail.com>
10762
10763         PR middle-end/32457
10764         * tree-data-ref.c (analyze_siv_subscript_cst_affine,
10765         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10766         init_omega_for_ddr_1): Use non conservative number of iterations
10767         estimations.
10768         (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
10769         (analyze_siv_subscript): Remove FIXME and reinitialization of
10770         last_conflicts to chrec_dont_know.
10771         * testsuite/gfortran.dg/vect/pr32457.f90: New.
10772
10773 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10774
10775         * tree.c (maybe_canonicalize_argtypes): Improve description.
10776
10777 2007-07-04  Douglas Gregor  <doug.gregor@gmail.com>
10778
10779         * tree.c (maybe_canonicalize_argtypes): New.
10780         (build_function_type): Set canonical type.
10781         (build_method_type_directly): Ditto.
10782         (reconstruct_complex_type): Rebuild the METHOD_TYPE node
10783         properly.
10784
10785 2007-07-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10786
10787         * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
10788         like PLUS_EXPR.
10789         (rewrite_use_nonlinear_expr): Likewise.
10790
10791 2007-07-03  Seongbae Park  <seongbae.park@gmail.com>
10792
10793         * rtl.def (UNSPEC, USE, CLOBBER): More comments.
10794
10795 2007-07-04  Ben Elliston  <bje@au.ibm.com>
10796
10797         * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
10798         of this file.
10799
10800         * c-objc-common.c (c_types_compatible_p): Fix indentation.
10801
10802         * doc/tm.texi (Run-time Target): Capitalise "CPU".
10803         (Exception Handling): Likewise.
10804
10805 2007-07-03  Jan Hubicka  <jh@suse.cz>
10806
10807         * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
10808
10809 2007-07-03  Eric Christopher  <echristo@apple.com>
10810
10811         * doc/cppopts.texi: Add conflicting option note to -dM.
10812         * doc/invoke.texi: Add note about possible conflicts with
10813         -E for -dCHARS and note that -dM will not produce
10814         any results if there is no machine dependent reorg.
10815
10816 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10817
10818         * tree.h (DECL_ALIGN): Back out previous change.
10819
10820 2007-07-03  Joseph Myers  <joseph@codesourcery.com>
10821
10822         * configure.ac: Test for .dtprelword support on MIPS.
10823         * configure, config.in: Regenerate.
10824         * config/mips/mips.c (mips_output_dwarf_dtprel): New.
10825         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
10826
10827 2007-07-03  Julian Brown  <julian@codesourcery.com>
10828
10829         * config.gcc (with_fpu): Allow --with-fpu=vfp3.
10830         * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
10831         * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
10832         * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
10833         capability.
10834         (all_fpus): Add FPUTYPE_VFP3.
10835         (fp_model_for_fpu): Add VFPv3 field.
10836         (arm_rtx_costs_1): Give cost to VFPv3 constants.
10837         (vfp3_const_double_index): New function. Return integer index of
10838         VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
10839         isn't suitable.
10840         (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
10841         and argument represents a valid RTX for a VFPv3 constant.
10842         (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
10843         two instructions.
10844         (vfp_emit_fstmd): Similar, for fstmd.
10845         (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
10846         constants, represented as integer indices.
10847         (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
10848         VFP_REGNO_OK_FOR_DOUBLE macros.
10849         (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
10850         (arm_file_start): Set float-abi attribute for VFPv3, and output
10851         correct ".fpu" assembler directive.
10852         (arm_dbx_register_numbering): Add FIXME.
10853         * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
10854         (fputype): Add FPUTYPE_VFP3.
10855         (FIXED_REGISTERS): Add 32 registers for D16-D31.
10856         (CALL_USED_REGISTERS): Likewise.
10857         (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
10858         of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
10859         (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
10860         (D7_VFP_REGNUM): New.
10861         (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
10862         (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
10863         (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
10864         (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
10865         (REG_ALLOC_ORDER): Adjust for VFPv3.
10866         (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
10867         (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
10868         VFP_LO_REGS, VFP_HI_REGS.
10869         (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
10870         (IS_VFP_CLASS): Define macro.
10871         (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
10872         IS_VFP_CLASS.
10873         (REGISTER_MOVE_COST): Likewise.
10874         * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
10875         * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
10876         (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
10877         (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
10878         (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
10879         (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
10880         (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
10881         (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
10882         (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
10883         (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
10884         (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
10885         where appropriate for single-word registers.
10886         (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
10887         As above. Fix type attributes.
10888         * config/arm/constraints.md (register_contraint "t"): Define.
10889         (register_constraint "w"): Change to D0-D15, or D0-D31 for
10890         VFPv3/NEON.
10891         (register_constraint "x"): Define.
10892         (constraint "Dv"): Define.
10893
10894 2007-07-03  Geoffrey Keating  <geoffk@apple.com>
10895
10896         * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
10897
10898 2007-07-03  Tom Tromey  <tromey@redhat.com>
10899
10900         * c-parser.c (objc_pq_context): Removed.
10901         (objc_need_raw_identifier): Likewise.
10902         (c_parser) <objc_pq_context>: New field.
10903         <objc_need_raw_identifier>: Likewise.
10904         (OBJC_NEED_RAW_IDENTIFIER): Removed.
10905         (c_lex_one_token): Update.
10906         (c_parser_objc_protocol_definition): Update.
10907         (c_parser_objc_method_definition): Update.
10908         (c_parser_objc_methodproto): Update.
10909         (c_parser_declspecs): Update.
10910
10911 2007-07-03  David Ung  <davidu@mips.com>
10912
10913         * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
10914
10915 2007-07-03  David Ung  <davidu@mips.com>
10916             Richard Sandiford  <richard@codesourcery.com>
10917
10918         * doc/invoke.texi: Document -march=74kf3_2.
10919         * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
10920         (TUNE_74K): Check for it.
10921         * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
10922         (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
10923         * config/mips/mips.md (cpu): Add 74kf3_2.
10924         * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
10925         (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
10926         (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
10927         (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
10928         74kf3_2 to the CPU list.
10929         (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
10930         (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
10931         (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
10932         (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
10933         (r74kf3_2_fxfer_from_c1): New insn reservations.
10934
10935 2007-07-03  Richard Sandiford  <richard@codesourcery.com>
10936             David Ung  <davidu@mips.com>
10937
10938         * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
10939         -march=24kx with -march=24kf1_1.  Likewise 24ke[fx], 34k[fx]
10940         and 74k[fx].  Document aliases for the new options.
10941         * config/mips/mips.h (PROCESSOR_24KF): Rename to...
10942         (PROCESSOR_24KF2_1): ...this.
10943         (PROCESSOR_24KX): Rename to...
10944         (PROCESSOR_24KF1_1): ...this.
10945         (PROCESSOR_74KF): Rename to...
10946         (PROCESSOR_74KF2_1): ...this.
10947         (PROCESSOR_74KX): Rename to...
10948         (PROCESSOR_74KF1_1): ...this.
10949         (TUNE_74K): Update PROCESSOR_* names.
10950         * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
10951         for 24kf.  Add 24kf1_1 and 24kfx as synonyms for 24kx.  Likewise
10952         the 24ke*, 34k* and 74k* processors.  Update PROCESSOR_* names.
10953         (mips_rtx_cost_data): Update processor names in comments.
10954         (mips_issue_rate): Update PROCESSOR_* names.
10955         * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
10956         24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
10957         * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
10958         to r24kf2_1_*.  Rename r24kx_* insn reservations to r24kf1_1_*.
10959         Update cpu attribute names.
10960         (r24k_fpu_iss): Rename this reservation to...
10961         (r24kf2_1_fpu_iss): ...this and update all uses.
10962         (r24kx_fpu_iss): Rename this reservation to...
10963         (r24kf1_1_fpu_iss): ...this and update all uses.
10964         * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
10965         to r74kf2_1_*.  Rename r74kx_* insn reservations to r74kf1_1_*.
10966         Update cpu attribute names.
10967
10968 2007-07-01  Kaz Kojima  <kkojima@gcc.gnu.org>
10969
10970         * config/m32r/constraints.md: New file.
10971         * config/m32r/m32r.c: Include tm-constrs.h.
10972         (small_data_operand): Use satisfies_constraint_* instead of macro.
10973         (addr24_operand, gen_compare): Likewise.
10974         * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
10975         (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
10976         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
10977         EXTRA_CONSTRAINT): Likewise.
10978         * config/m32r/m32r.md: Include constraints.md.
10979         (*movsi_insn): Use satisfies_constraint_* instead of macro.
10980         (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
10981         * config/m32r/predicates.md (conditional_move_operand): Likewise.
10982         (two_insn_const_operand, int8_operand, uint16_operand,
10983         reg_or_int16_operand, reg_or_uint16_operand,
10984         reg_or_cmp_int16_operand, cmp_int16_operand,
10985         seth_add3_operand): Likewise.
10986
10987 2007-07-03  Eric Christopher  <echristo@gmail.com>
10988
10989         * libgcc2.h: Conditionally declare __bswapsi2 and
10990         __bswapdi2.
10991
10992 2007-07-03  H.J. Lu  <hongjiu.lu@intel.com>
10993
10994         * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
10995         defined.
10996
10997 2007-07-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10998
10999         PR target/28307
11000         * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
11001         (__gthrw_pragma): Provide default definition.
11002         (__gthrw2): Use it.
11003         * gthr-posix.c (__gthrw_pragma): Define.
11004
11005 2007-07-03  Daniel Berlin  <dberlin@dberlin.org>
11006
11007         * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
11008         before declaring inequality.
11009
11010 2007-07-03  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11011
11012         * combine.c (recog_for_combine): Log the success or failure of
11013           matching new insn patterns against the machine description in
11014           detailed dumps.
11015
11016 2007-07-03  Revital Eres  <eres@il.ibm.com>
11017
11018         * ddg.c (print_sccs): New function.
11019         (check_sccs): New function.
11020         (create_ddg_all_sccs): Use it.
11021         * ddg.h (print_sccs): Declare.
11022         * modulo-sched.c (sms_order_nodes): Call print_sccs.
11023
11024 2007-07-03  Uros Bizjak  <ubizjak@gmail.com>
11025
11026         * targhooks.h (default_mode_for_suffix): New function declaration.
11027         * targhooks.c (default_mode_for_suffix): New default target hook.
11028         * target.h (struct c): New structure in the targetm struct.
11029         (mode_for_suffix): New target hook as part of struct c.
11030         target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
11031         default_mode_for_suffix.
11032         (TARGET_C): New define.
11033         * c-lex.c: Include "target.h".
11034         (interpret_float): Use targetm.c.mode_for_suffix to determine
11035         the mode for a given non-standard suffix.
11036         Makefile.in (c-lex.o): Depend on $(TARGET_H).
11037
11038         * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
11039         (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
11040
11041         * doc/extend.texi (Floating Types): New node.  Document __float80 and
11042         __float128 types.  Document 'w', 'W', 'q' and 'Q' suffixes.
11043
11044 2007-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
11045
11046         PR target/32506
11047         * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
11048         predicate instead of target_operand.
11049         (divsi3_i1_media, divsi3_media_2): Likewise.
11050
11051 2007-07-02  Eric Botcazou  <ebotcazou@adacore.com>
11052
11053         * tree.h (alias_sets_might_conflict_p): Rename into
11054         alias_sets_must_conflict_p.
11055         * alias.c (alias_sets_might_conflict_p): Likewise.
11056         (alias_sets_conflict_p): Use it.
11057         (objects_must_conflict_p): Likewise.
11058         * c-common.c (strict_aliasing_warning): Adjust.
11059
11060 2007-07-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11061
11062         * rtlhooks.c (gen_lowpart_if_possible): Check for
11063         invalid subreg before calling gen_lowpart_SUBREG.
11064
11065 2007-07-02  Geoffrey Keating  <geoffk@apple.com>
11066
11067         * config/darwin9.h: Add copyright notice.
11068         (LINK_COMMAND_SPEC): Add comment.
11069         (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
11070         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
11071         DARWIN_LIBSYSTEM_HAS_UNWIND.
11072
11073 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11074
11075         PR libgomp/32468
11076         * omp-low.c (check_combined_parallel): New function.
11077         (lower_omp_parallel): Call it via walk_stmts, set
11078         OMP_PARALLEL_COMBINED if appropriate.
11079         (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
11080         isn't the only statement in WS_ENTRY_BB or OMP_RETURN
11081         the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
11082         don't consider it as combined parallel.
11083
11084 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11085
11086         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
11087         (gcc_tooldir): Likewise.
11088         * configure: Regenerate.
11089         * Makefile.in (libsubdir_to_prefix): New variable, based on the
11090         old configure.ac gcc_tooldir setting.
11091         (prefix_to_exec_prefix): New variable.
11092         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
11093         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
11094
11095 2007-07-02  Daniel Berlin  <dberlin@dberlin.org>
11096
11097         Fix PR tree-optimization/32583
11098         Fix PR tree-optimization/32584
11099         * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
11100         (phi_translate_set): Use phi_translate directly now.
11101         (make_values_for_stmt): Don't value number RHS if we already know
11102         it is constant.
11103
11104 2007-07-02  Steve Ellcey  <sje@cup.hp.com>
11105             Jim Wilson <wilson@specifix.com>
11106
11107         PR target/31684
11108         * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
11109         copy_insn.
11110
11111 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
11112             Richard Sandiford  <richard@codesourcery.com>
11113             Nigel Stephens  <nigel@mips.com>
11114
11115         * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
11116         (mips16e_output_save_restore): Declare.
11117         (mips16e_save_restore_pattern_p): Likewise.
11118         * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
11119         * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
11120         for GENERATE_MIPS16E_SAVE_RESTORE.  Return 0x400 for TARGET_MIPS16
11121         && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
11122         (BITSET_P): New global macro, extracted from...
11123         (mips_for_each_saved_reg): ...here.
11124         (mips16e_save_restore_info): New struct.
11125         (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
11126         (mips16e_save_restore_regs): New variable.
11127         (mips_split_plus, mips16e_find_first_register): New functions.
11128         (mips16e_mask_registers): New function.
11129         (compute_frame_size): Expand the commentary before the function.
11130         Enforce the MIPS16e save and restore register range restrictions.
11131         Pad the general register save area at the low end.
11132         (mips16e_save_restore_reg, mips16e_build_save_restore)
11133         (mips16e_save_restore_pattern_p, mips16e_add_register_range)
11134         (mips16e_output_save_restore, mips16e_collect_propagate_value)
11135         (mips16e_collect_argument_save, mips16e_collect_argument_saves):
11136         New functions.
11137         (mips_expand_prologue, mips_expand_epilogue): Handle
11138         GENERATE_MIPS16E_SAVE_RESTORE.
11139         * config/mips/mips.md (*mips16e_save_restore): New pattern.
11140
11141 2007-07-02  Uros Bizjak  <ubizjak@gmail.com>
11142
11143         PR tree-optimization/31966
11144         PR tree-optimization/32533
11145         * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
11146         "basic_block" description as its third argument.  Update function
11147         calls to get destination bb from "edge" argument.  Save "cond" into
11148         aux field of the edge.  Update prototype for changed arguments.
11149         (if_convertible_loop_p): Clear aux field of incoming edges if bb
11150         contains phi node.
11151         (find_phi_replacement_condition): Operate on incoming edges, not
11152         on predecessor blocks.  If there is a condition saved in the
11153         incoming edge aux field, AND it with incoming bb predicate.
11154         Return source bb of the first edge.
11155         (clean_predicate_lists): Clean aux field of outgoing node edges.
11156         (tree_if_conversion): Do not initialize cond variable. Move
11157         variable declaration into the loop.
11158         (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
11159         initializations of new_stmt, arg0 and arg1 variables.
11160
11161 2007-07-02  Jakub Jelinek  <jakub@redhat.com>
11162
11163         * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
11164         SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
11165
11166 2007-07-02  Richard Guenther  <rguenther@suse.de>
11167
11168         * tree-ssa.c (useless_type_conversion_p): Document
11169         future intent as defining the middle-end type system.
11170         Re-structure to call langhook last, group by type class,
11171         mark questionable parts.
11172
11173 2007-07-02  Richard Guenther  <rguenther@suse.de>
11174
11175         * tree-flow.h (types_compatible_p): Declare.
11176         * tree-ssa.c (types_compatible_p): New function.
11177         * ipa-type-escape.c (discover_unique_type): Use
11178         types_compatible_p instead of lang_hooks.types_compatible_p.
11179         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
11180         * tree-vn.c (expressions_equal_p): Likewise.
11181         * tree.c (fields_compatible_p): Likewise.
11182         * tree-ssa-dom.c (avail_expr_eq): Likewise.
11183         (cprop_operand): Use useless_type_conversion_p instead of
11184         lang_hooks.types_compatible_p.
11185         * tree-inline.c (setup_one_parameter): Likewise.
11186         (declare_return_variable): Likewise.
11187         * tree-nrv.c (tree_nrv): Likewise.
11188         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
11189         (maybe_fold_offset_to_component_ref): Likewise.
11190         (maybe_fold_offset_to_reference): Likewise.
11191         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11192         (merge_alias_info): Likewise.
11193         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11194         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11195         * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
11196         * tree-tailcall.c (find_tail_calls): Likewise.
11197         * tree-vect-generic.c (expand_vector_operations_1): Likewise.
11198         * gimplify.c (canonicalize_addr_expr): Likewise.
11199         (fold_indirect_ref_rhs): Likewise.
11200         (gimplify_addr_expr): Likewise.  Swap parameters to cpt_same_type.
11201         (cpt_same_type): Likewise.
11202         (check_pointer_types_r): Swap parameters to cpt_same_type
11203         where appropriate.
11204         * fold-const.c (fold_convert): Revert fix for PR15988.
11205         * tree-inline.c (setup_one_parameter): Instead fix it here by
11206         using fold_build1 instead of fold_convert and checking for
11207         error_mark_node.  Convert only if the conversion is necessary.
11208
11209 2007-07-02  Joseph Myers  <joseph@codesourcery.com>
11210
11211         * configure.ac: Check for .gnu_attribute on Power.
11212         * configure: Regenerate.
11213         * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
11214         attribute for floating-point ABI.
11215
11216 2007-07-02  Ira Rosen  <irar@il.ibm.com>
11217
11218         PR tree-optimization/32230
11219         PR tree-optimization/32477
11220         * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
11221         address is a constant.
11222
11223 2007-07-02  Richard Sandiford  <richard@codesourcery.com>
11224
11225         * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
11226         (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
11227         (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
11228         stanzas.  Use the first part of the triplet to set MIPS_ISA_DEFAULT.
11229         Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
11230         64-bit targets.  Add support for *-elfoabi*.
11231         * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
11232         different settings if $(tm_defines) does not select the EABI.
11233         (MULTILIB_EXCLUSIONS): Define in those circumstances.
11234         * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
11235         (MIPS_ARCH_OPTION_SPEC): Likewise.
11236         (MIPS_ISA_LEVEL_SPEC): Likewise.
11237         (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
11238         * config/mips/elfoabi.h: New file.
11239
11240 2007-07-02  Richard Guenther  <rguenther@suse.de>
11241
11242         * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
11243         (useless_type_conversion_p): ... this.
11244         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
11245         (useless_type_conversion_p): ... this.
11246         * builtins.c (fold_builtin_memory_op): Rename
11247         tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
11248         * tree-cfg.c (verify_expr): Likewise.
11249         * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
11250         * tree-ssa-ccp.c (ccp_fold): Likewise.
11251         * tree-ssa-copy.c (may_propagate_copy): Likewise.
11252         * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
11253         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
11254         * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
11255         * tree-ssa-pre.c (eliminate): Likewise.
11256         * tree-ssa.c (delete_tree_ssa): Likewise.
11257         (tree_ssa_useless_type_conversion): Likewise.
11258         * tree.c (build2_stat): Likewise.
11259
11260 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11261
11262         Fix PR tree-optimization/32571
11263         * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
11264         simplifying them.
11265
11266 2007-07-01  Daniel Berlin  <dberlin@dberlin.org>
11267
11268         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
11269         and other expected operations explicitly, change default to
11270         gcc_unreachable.
11271
11272 2007-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
11273
11274         * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
11275         PARALLEL.
11276         * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
11277         (tls_load_dot_plus_eight): Move the label number into the unspec.
11278         * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
11279
11280 2007-07-01  Andreas Schwab  <schwab@suse.de>
11281
11282         * dwarf2out.c (initial_return_save): Define only if used.
11283
11284 2007-07-01  Kenneth Zadeck <zadeck@naturalbridge.com>
11285
11286         Unreverting Richard's Revert of:
11287
11288         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11289
11290         * dce.c (deletable_insn_p_1): New function, split out from...
11291         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11292         specially, not those inside PARALLELs.  Remove BODY argument
11293         and adjust recursive call accordingly.
11294         (prescan_insns_for_dce): Update call to delete_insn_p.
11295
11296 2007-07-01  Vladimir Yanovsky  <yanov@il.ibm.com>
11297             Revital Eres  <eres@il.ibm.com>
11298
11299         * ddg.c (create_ddg_all_sccs): Fix missed
11300         initialization of scc_nodes.
11301
11302 2007-07-01  Uros Bizjak  <ubizjak@gmail.com>
11303
11304         PR middle-end/32559
11305         * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
11306         X + ~X to 1 only for INTEGRAL_TYPE_P type.
11307
11308 2007-06-30  Joseph Myers  <joseph@codesourcery.com>
11309
11310         * configure.ac: Check for .gnu_attribute on MIPS.
11311         * configure, config.in: Regenerate.
11312         * config/mips/mips.c (mips_file_start): If supported, output
11313         attribute for floating-point ABI.
11314
11315 2007-06-30  Uros Bizjak  <ubizjak@gmail.com>
11316
11317         PR target/32433
11318         * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
11319         (ffs_cmove): New expander to expand using ctz pattern.
11320         (*ffs_cmove): Remove pattern.
11321         (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
11322         (ffsdi2): Expand using ctz pattern.
11323         (*ffs_rex64): Remove pattern.
11324
11325 2007-06-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11326
11327         PR rtl-optimization/32296
11328         * pa.md (return): Delete pattern.
11329         (return_internal): Remove "(const_int 1)" from pattern.
11330         (epilogue): Use return_internal pattern for trivial returns.
11331         * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
11332         * pa.c (hppa_can_use_return_insn_p): Delete function.  Include "df.h".
11333
11334 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11335
11336         * tree-ssa-pre.c (is_exception_related): New function
11337         (can_value_number_operation): Use it.
11338
11339 2007-06-30  Daniel Berlin  <dberlin@dberlin.org>
11340
11341         Fix PR tree-optimization/32540
11342         Fix PR tree-optimization/31651
11343
11344         * tree-ssa-sccvn.c: New file.
11345
11346         * tree-ssa-sccvn.h: Ditto.
11347
11348         * tree-vn.c: Include tree-ssa-sccvn.h
11349         (val_expr_paid_d): Removed.
11350         (value_table): Ditto.
11351         (vn_compute): Ditto.
11352         (val_expr_pair_hash): Ditto.
11353         (val_expr_pair_expr_eq): Ditto.
11354         (copy_vuses_from_stmt): Ditto.
11355         (vn_delete): Ditto.
11356         (vn_init): Ditto.
11357         (shared_vuses_from_stmt): Ditto.
11358         (print_creation_to_file): Moved up.
11359         (sort_vuses): Ditto.
11360         (sort_vuses_heap): Ditto.
11361         (set_value_handle): Make non-static.
11362         (make_value_handle): Ditto.
11363         (vn_add): Rewritten to use sccvn lookups.
11364         (vn_add_with_vuses): Ditto.
11365         (vn_lookup): Ditto (and second argument removed).
11366         (vn_lookup_with_vuses): Ditto.
11367         (vn_lookup_or_add): Ditto (and second argument removed);
11368         (vn_lookup_or_add_with_vuses): Ditto.
11369         (vn_lookup_with_stmt): New.
11370         (vn_lookup_or_add_with_stmt): Ditto.
11371         (create_value_handle_for_expr): Ditto.
11372
11373         * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
11374         (seen_during_translate): New function.
11375         (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
11376         (phi_trans_add): Ditto.
11377         (constant_expr_p): FIELD_DECL is always constant.
11378         (phi_translate_1): Renamed from phi_translate, add seen bitmap.
11379         Use constant_expr_p.
11380         Avoid infinite recursion on mutually valued expressions.
11381         Change callers of vn_lookup_or_add.
11382         (phi_translate): New function.
11383         (compute_antic_safe): Allow phi nodes.
11384         (create_component_ref_by_pieces): Update for FIELD_DECL change.
11385         (find_or_generate_expression): Rewrite slightly.
11386         (create_expression_by_pieces): Updated for vn_lookup_or_add
11387         change.
11388         Update VN_INFO for new names.
11389         (insert_into_preds_of_block): Update for new names.
11390         (add_to_exp_gen): New function.
11391         (add_to_sets): Use vn_lookup_or_add_with_stmt.
11392         (find_existing_value_expr): Rewrite to changed vn_lookup.
11393         (create_value_expr_from): Ditto, and use add_to_exp_gen.
11394         (try_look_through_load): Removed.
11395         (try_combine_conversion): Ditto.
11396         (get_sccvn_value): New function.
11397         (make_values_for_phi): Ditto.
11398         (make_values_for_stmt): Ditto.
11399         (compute_avail): Rewritten for vn_lookup_or_add changes and to use
11400         SCCVN.
11401         (init_pre): Update for SCCVN changes.
11402         (fini_pre): Ditto.
11403         (execute_pre): Ditto.
11404
11405         * tree-flow.h (make_value_handle): Declare.
11406         (set_value_handle): Ditto.
11407         (sort_vuses_heap): Ditto.
11408         (vn_lookup_or_add_with_stmt): Ditto.
11409         (vn_lookup_with_stmt): Ditto.
11410         (vn_compute): Remove.
11411         (vn_init): Ditto.
11412         (vn_delete): Ditto.
11413         (vn_lookup): Update arguments.
11414
11415         * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
11416         (tree-vn.o): Ditto.
11417         (tree-ssa-sccvn.o): New.
11418         (OBJS-common): Add tree-ssa-sccvn.o
11419
11420 2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11421
11422         PR c/4076
11423         * c-typeck.c (build_external_ref): Don't mark as used if called
11424         from itself.
11425         * calls.c (rtx_for_function_call): Likewise.
11426
11427 2007-06-30  Richard Sandiford  <richard@codesourcery.com>
11428
11429         Revert:
11430
11431         2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11432
11433         * dce.c (deletable_insn_p_1): New function, split out from...
11434         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11435         specially, not those inside PARALLELs.  Remove BODY argument
11436         and adjust recursive call accordingly.
11437         (prescan_insns_for_dce): Update call to delete_insn_p.
11438
11439 2007-06-30  Rask Ingemann Lambertsen <rask@sygehus.dk>
11440
11441         * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
11442         (try_combine): Move potential calls to undo_all() so they happen
11443         before we commit to using the combined insns.
11444
11445 2006-06-30  Jan Hubicka  <jh@suse.cz>
11446
11447         * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
11448         code.
11449
11450 2006-06-30  Thomas Neumann  <tneumann@users.sourceforge.net>
11451
11452         * ipa.c (cgraph_postorder): Cast according to the coding conventions.
11453         (cgraph_remove_unreachable_nodes): Likewise.
11454         * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
11455         * ipa-inline.c (update_caller_keys): Cast according to the coding
11456         conventions.
11457         (cgraph_decide_recursive_inlining): Likewise.
11458         (cgraph_decide_inlining_of_small_function): Likewise.
11459         (try_inline): Likewise.
11460         (cgraph_decide_inlining_incrementally): Likewise.
11461         * ipa-pure-const.c (get_function_state): Likewise.
11462         (scan_function): Likewise.
11463         (analyze_function): Likewise.
11464         (static_execute): Likewise.
11465         * ipa-reference.c (scan_for_static_refs): Likewise.
11466         (merge_callee_local_info): Likewise.
11467         (analyze_function): Use type safe memory macros.
11468         (static_execute): Likewise. Cast according to the coding conventions.
11469         * ipa-type-escape.c (scan_for_regs): Cast according to the coding
11470         conventions.
11471         * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
11472         names.
11473         (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
11474         * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
11475         variable names.
11476
11477 2007-06-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11478
11479         PR middle-end/30024
11480         * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
11481         for complex modes (both int and real).
11482
11483 2007-06-29  Jan Hubicka  <jh@suse.cz>
11484
11485         * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
11486
11487 2007-06-29  Jan Hubicka  <jh@suse.cz>
11488
11489         PR middle-end/32372
11490         * cse.c (cse_insn): Avoid invalid sharing in between register note and
11491         the insn pattern.
11492
11493 2007-06-29  Anatoly Sokolov <aesok@post.ru>
11494
11495         PR target/32335
11496         * config/avr/avr.c: Include dataflow header file.
11497         (expand_prologue): Adjust for prologue insn change.
11498         * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
11499         inside a insn.
11500
11501 2007-06-29  Richard Guenther  <rguenther@suse.de>
11502
11503         PR middle-end/32493
11504         * gimplify.c (gimplify_call_expr): Ignore variable argument parts
11505         during type verification.
11506
11507 2007-06-29  Jan Hubicka  <jh@suse.cz>
11508
11509         * recog.c (validate_change_rtx_1): Unshare TO argument.
11510
11511 2007-06-29  Uros Bizjak  <ubizjak@gmail.com>
11512
11513         PR tree-optimization/24659
11514         * tree-vect-transform.c (vectorizable_call): Handle
11515         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
11516
11517         * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
11518         * config/i386/i386.c (enum ix86_builtins)
11519         [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
11520         (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
11521         description.
11522         (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
11523         const using def_builtin_const.
11524         (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
11525         input operands in the same modes as the result.
11526         (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
11527
11528 2007-06-29  Richard Sandiford  <rsandifo@nildram.co.uk>
11529
11530         * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
11531         (df_set_dead_notes_for_mw): Likewise.
11532
11533 2007-06-29  Eric Botcazou  <ebotcazou@adacore.com>
11534
11535         * c-common.c (pointer_int_sum): Do the negation in sizetype.
11536
11537 2007-06-28  DJ Delorie  <dj@redhat.com>
11538
11539         * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
11540
11541 2007-06-28  Geoffrey Keating  <geoffk@apple.com>
11542
11543         * doc/invoke.texi (C++ Dialect Options): Document
11544         fvisibility-ms-compat.
11545         * c.opt (fvisibility-ms-compat): New.
11546
11547 2007-06-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11548
11549         PR tree-opt/32417
11550         * tree-affine.c (aff_combination_add_elt): Handle
11551         pointer addition specially.
11552
11553 2007-06-28  Jakub Jelinek  <jakub@redhat.com>
11554
11555         * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
11556         decl is non-external for AIX ABI.
11557
11558 2007-06-28  David Edelsohn  <edelsohn@gnu.org>
11559
11560         * config/rs6000/predicates.md (current_file_function_operand):
11561         Ensure the symbol is non-external for AIX ABI.
11562
11563 2007-06-28  Nick Clifton  <nickc@redhat.com>
11564
11565         * common.opt (fipa-matrix-reorg): Add Optimization attribute.
11566         (fdce, fdse, fpredictive-commoning): Likewise.
11567
11568 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
11569
11570         PR other/31400
11571         * gcc.c (process_command): Recognize the new -static-libgfortran
11572         option.
11573
11574 2007-06-27  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11575
11576         PR target/32418
11577         * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
11578         Use a call clobbered hard reg instead of a pseudo reg.
11579
11580 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11581
11582         * config/sh/sh.md (load_gbr): Use correct operand constraint.
11583
11584 2007-06-27  Kaz Kojima  <kkojima@gcc.gnu.org>
11585
11586         PR target/32479
11587         * config/sh/sh.md (udivsi3): Don't wrap the sequence with
11588         REG_LIBCALL and REG_RETVAL notes.
11589         (divsi3, mulsi3): Likewise.
11590         (mulhisi3): Likewise.  Use emit_libcall_block.
11591         (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
11592
11593 2007-06-27  Seongbae Park  <seongbae.park@gmail.com>
11594
11595         PR rtl-optimization/32481
11596         * combine.c (adjust_for_new_dest): Rescan the changed insn.
11597
11598 2007-06-27  Richard Sandiford  <richard@codesourcery.com>
11599
11600         * dce.c (deletable_insn_p_1): New function, split out from...
11601         (deletable_insn_p): ...here.  Only treat bare USEs and CLOBBERs
11602         specially, not those inside PARALLELs.  Remove BODY argument
11603         and adjust recursive call accordingly.
11604         (prescan_insns_for_dce): Update call to delete_insn_p.
11605
11606 2007-06-27  Richard Guenther  <rguenther@suse.de>
11607
11608         PR middle-end/32492
11609         * tree.h (fold_convertible_p): Declare.
11610         * fold-const.c (fold_convertible_p): New function.
11611         * gimplify.c (gimplify_call_expr): Use fold_convertible_p
11612         instead of lang_hooks.types_compatible_p.
11613
11614 2007-06-26  Jan Hubicka  <jh@suse.cz>
11615
11616         * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
11617         * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
11618         early use validate_unshare_change.
11619         (reload_combine): Likewise.
11620         * recog.c (change_t): New field unshare.
11621         (validate_change_1): Rename from validate_change; add argument unshare.
11622         (validate_change): Turn into wrapper of validate_change_1; update
11623         prototype for bools.
11624         (validate_unshare_change): New.
11625         (confirm_change_group): Unshare changes if asked for; avoid unnecesary
11626         calls of df_insn_rescan.
11627         * recog.h (validate_change): Replace ints by bools.
11628         (validate_unshare_change): Declare.
11629
11630 2007-06-26  Kenneth Zadeck <zadeck@naturalbridge.com>
11631
11632         * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
11633
11634 2007-06-26  Steve Ellcey  <sje@cup.hp.com>
11635
11636         * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
11637
11638 2007-06-25  Jan Hubicka  <jh@suse.cz>
11639
11640         * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
11641         uninlinable call.
11642         (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
11643         cgraph_decide_inlining_incrementally): Move uninlinability checks to
11644         places other call site specific checks are performed.
11645
11646 2007-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11647
11648         PR tree-opt/32421
11649         * tree-vect-transform.c (vectorizable_operation): Convert
11650         POINTER_PLUS_EXPR over to PLUS_EXPR.
11651
11652 2007-06-25  Chao-ying Fu  <fu@mips.com>
11653
11654         * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
11655         UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
11656         Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
11657         Document GET_MODE_IBIT, and GET_MODE_FBIT.
11658
11659         * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
11660         MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11661         (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
11662         SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
11663         SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
11664         ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
11665         ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
11666         SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
11667         ALL_FIXED_POINT_MODE_P): New define.
11668         (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11669         MODE_UACCUM.
11670         (GET_MODE_IBIT, GET_MODE_FBIT): New define.
11671
11672         * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
11673         MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11674         MODE_VECTOR_UACCUM): New mode classes.
11675
11676         * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
11677         UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
11678         Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
11679         USA, UDA, and UTA.
11680
11681         * genmodes.c (struct mode_data): Add ibit and fbit fields.
11682         (blank_mode): Initialize ibit and fbit.
11683         (adj_ibit, adj_fbit): New to adjust ibit and fbit.
11684         (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11685         MODE_UACCUM.
11686         (new_adjust): Change required_class to required_class_from and
11687         required_class_to for testing within a range.
11688         (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
11689         MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
11690         MODE_VECTOR_UACCUM.
11691         (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
11692         (make_fixed_point_mode): New.
11693         (_ADD_ADJUST): Change C to C1 and C2.
11694         (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
11695         use a range for machine classes.
11696         (ADJUST_IBIT, ADJUST_FBIT): New.
11697         (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
11698         CONST_MODE_FBIT.
11699         (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
11700         MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
11701         Emit adjustment for ibit and fbit.
11702         (emit_mode_ibit, emit_mode_fbit): New.
11703         (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
11704
11705 2007-06-25  Nathan Froyd  <froydnj@codesourcery.com>
11706
11707         * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
11708         as the source of the set.
11709
11710 2007-06-25  Roman Zippel <zippel@linux-m68k.org>
11711
11712         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
11713         FP_REGNO_P): Use IN_RANGE.
11714         (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
11715         (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
11716         (DATA_REG_P): Use DATA_REGNO_P.
11717         (FP_REG_P): Use FP_REGNO_P.
11718         (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
11719         * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
11720         REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
11721
11722 2007-06-24  Jan Hubicka  <jh@suse.cz>
11723
11724         PR middle-end/30563
11725         * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
11726
11727 2007-06-24  Sebastian Pop  <sebpop@gmail.com>
11728
11729         PR middle-end/32461
11730         * fold-const.c (fold_binary): Strip nops of operand 0
11731         of BIT_NOT_EXPR before calling operand_equal_p.
11732         * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
11733         * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
11734
11735 2007-06-23  Mark Mitchell  <mark@codesourcery.com>
11736
11737         * doc/extend.texi: Document that dllimport and dllexport imply
11738         default visibility.
11739         * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
11740         imported or exported declaration, including type declarations.
11741         * c-common.c (handle_visibility_attribute): Check for conflicts
11742         with dllimport/dllexport.
11743         (c_determine_visibility): Handle dllimport/dllexport as an
11744         explicit visibility atttribute.
11745
11746 2007-06-23  Richard Guenther  <rguenther@suse.de>
11747
11748         PR tree-optimization/16876
11749         PR middle-end/29478
11750         * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
11751         for CALL_EXPRs.
11752         * tree-inline.c (initialize_inlined_parameters): Do not call
11753         lang_hooks.tree_inlining.convert_parm_for_inlining.
11754         * cgraphbuild.c (initialize_inline_failed): Set inline failed
11755         reason for mismatched types.
11756         * gimplify.c (gimplify_call_expr): Verify the call expression
11757         arguments match the called function type signature.  Otherwise
11758         mark the call expression to be not considered for inlining
11759         using CALL_CANNOT_INLINE_P flag.
11760         * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
11761         edges call expression.
11762         (cgraph_decide_inlining_of_small_function): Likewise.
11763         (cgraph_decide_inlining): Likewise.
11764         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
11765         Remove define.
11766         * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
11767         * c-typeck.c (c_convert_parm_for_inlining): Remove.
11768         * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
11769         Remove declaration.
11770         (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
11771         * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
11772         Remove.
11773         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
11774         convert_parm_for_inlining member.
11775
11776 2007-06-23  Richard Earnshaw  <rearnsha@arm.com>
11777
11778         PR target/31152
11779         * arm.md (negscc): Match the correct operand for optimized LT0 test.
11780         Remove optimization for GT.
11781
11782 2007-06-23  Kenneth Zadeck <zadeck@naturalbridge.com>
11783
11784         PR middle-end/32437
11785         * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
11786         is a PARALLEL.
11787         (prescan_insns_for_dce): Add extra parameter.
11788
11789 2007-06-23  Jan Hubicka  <jh@suse.cz>
11790
11791         PR middle-end/31541
11792         * gimplify.c (mark_addressable): New function.
11793         (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
11794
11795 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11796
11797         PR middle-end/32374
11798         * expr.c (store_constructor): Do not clobber non-zeroed memory.
11799
11800 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11801
11802         PR target/32413
11803         * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
11804         moves between MMX/SSE registers to at least 8 units to prevent
11805         ICE caused by non-tieable SI/HI/QImodes in SSE registers.
11806
11807 2007-06-22  Uros Bizjak  <ubizjak@gmail.com>
11808
11809         * config/i386/i386.c (override_options): Correct x86_sahf
11810         setting condition.
11811
11812 2007-06-21  David Daney  <ddaney@avtrex.com>
11813
11814         PR target/32406
11815         * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
11816         to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
11817         (exception_receiver): Renamed to ...
11818         (nonlocal_goto_receiver): ... this.
11819
11820 2007-06-22  Roman Zippel <zippel@linux-m68k.org>
11821
11822         * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
11823         (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
11824         partial register accesses.
11825
11826 2007-06-21  Adam Nemet  <anemet@caviumnetworks.com>
11827
11828         * fold-const.c (debug_fold_checksum): Move it under
11829         ENABLE_FOLD_CHECKING.
11830
11831 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11832
11833         PR middle-end/20623
11834         * tree.h (debug_fold_checksum): Declared.
11835         * fold-const.c (build_fold_addr_expr_with_type_1): New.
11836         (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
11837         build_fold_addr_expr_with_type_1.
11838         (fold_addr_expr, debug_fold_checksum): New.
11839         (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
11840         (fold_unary, fold_comparison, split_address_to_core_and_offset):
11841         Use fold_addr_expr.
11842
11843 2007-06-21  Sebastian Pop  <sebpop@gmail.com>
11844
11845         PR tree-optimization/19590
11846         * tree-vrp.c (adjust_range_with_scev): Set the range when the result
11847         of scev is a constant.
11848
11849 2007-06-21  Kenneth Zadeck <zadeck@naturalbridge.com>
11850
11851         * df-problems.c (df_note_bb_compute): Made computation of live
11852         info consistent with df_lr.
11853
11854 2007-06-21  Richard Guenther  <rguenther@suse.de>
11855
11856         PR tree-optimization/32453
11857         * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
11858         for pointer anti-range.
11859
11860 2007-06-21  H.J. Lu  <hongjiu.lu@intel.com>
11861
11862         * config/i386/i386.c (processor_target_table): Increase maximum
11863         skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
11864         default 64bit.
11865
11866         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
11867         byte alignment if > 8 byte alignment is preferred.
11868         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
11869
11870 2007-06-21  Jakub Jelinek  <jakub@redhat.com>
11871
11872         PR tree-optimization/31866
11873         * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
11874         if ASM_EXPR's input is not a SSA_NAME.
11875
11876         PR middle-end/32362
11877         * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
11878         but decl is a global var, instead return decl.
11879         * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
11880         even for is_global_var decls, if they are private in some outer
11881         context.
11882
11883 2007-06-21  Richard Guenther  <rguenther@suse.de>
11884
11885         PR tree-optimization/32451
11886         * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
11887
11888 2007-06-21  Christian Bruel  <christian.bruel@st.com>
11889
11890         * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
11891         * config/sh/sh.c (sh_loads_bankedreg_p): New function.
11892         (push_regs): Changed saving order or banked registers.
11893         (sh_expand_epilogue): Likewise.
11894         * config/sh/sh.h (BANKED_REGISTER_P): New macro.
11895         (FIRST_BANKED_REG): Likewise.
11896         (LAST_BANKED_REG): Likewise.
11897         * config/sh/sh.md (banked) New attribute.
11898         (in_delay_slot): Check banked attribute.
11899
11900 2007-06-20  Sebastian Pop  <sebpop@gmail.com>
11901
11902         PR tree-optimization/32075
11903         * tree-data-ref.c (subscript_dependence_tester_1,
11904         analyze_miv_subscript, analyze_overlapping_iterations,
11905         add_distance_for_zero_overlaps, build_classic_dist_vector,
11906         subscript_dependence_tester_1, analyze_overlapping_iterations,
11907         subscript_dependence_tester, access_functions_are_affine_or_constant_p,
11908         compute_affine_dependence, compute_all_dependences): Pass loop_nest
11909         to evolution_function_is_affine_multivariate_p.
11910
11911 2007-06-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
11912
11913         * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
11914
11915 2007-06-20  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11916
11917         PR target/32335
11918         * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
11919         for TARGET_A16.
11920         * config/m32c/prologue.md (epilogue_exitd_16): New.
11921         (epilogue_reit_16): New.
11922         (epilogue_exitd): Rename to epilogue_exitd_24.
11923         (epilogue_reit): Rename to epilogue_reit_24.
11924
11925 2007-06-20  Seongbae Park  <seongbae.park@gmail.com>
11926             Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11927
11928         * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
11929         New counters.
11930         * haifa-sched.c (queue_to_ready): Don't requeue next insn
11931         if dbg_cnt (sched_insn) reaches the limit.
11932         (choose_ready): New parameter INSN_PTR and new return value.
11933         (schedule_block): Handle dbg_cnt (sched_insn). Handle
11934         the new return value from choose_ready.
11935         * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
11936         (rest_of_handle_global_alloc): New global_alloc_at_func.
11937
11938 2007-06-20  Adam Nemet  <anemet@caviumnetworks.com>
11939
11940         PR tree-optimization/25737
11941         * tree.h (struct tree_struct_field_tag): Add new field alias_set.
11942         (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
11943         * tree-flow.h (struct fieldoff): Add new field alias_set.
11944         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
11945         argument addressable_type.  Set alias_set of fieldoff.
11946         * tree-ssa-alias.c (create_sft): Add new argument alias_set.
11947         (create_overlap_variables_for): Pass alias_set from fieldoff to
11948         create_sft.
11949         * alias.c (get_alias_set): Use alias_set from SFT if set.
11950
11951 2007-06-20  Hui-May Chang  <hm.chang@apple.com>
11952
11953         * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
11954         of a variable as an unsigned HOST_WIDE_INT integer.
11955
11956 2007-06-20  Zdenek Dvorak  <dvorakz@suse.cz>
11957
11958         PR rtl-optimization/32405
11959         * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
11960
11961 2007-06-20  Jakub Jelinek  <jakub@redhat.com>
11962
11963         * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
11964
11965         PR middle-end/31959
11966         * builtins.c: Include diagnostic.h.
11967         (expand_builtin_expect): Make gcc_assert more permissive.
11968         * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
11969
11970         PR inline-asm/32109
11971         * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
11972         and !allows_mem.
11973
11974         PR middle-end/32285
11975         * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
11976         if ACCUMULATE_OUTGOING_ARGS.
11977
11978 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
11979
11980         * config/m68hc11/m68hc11.c: Include dataflow header file.
11981         (m68hc11_reorg): Port to dataflow.
11982
11983 2007-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
11984
11985         * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
11986         (struct df_problem.free_blocks_on_set_blocks): New field.
11987         (struct dataflow.optional_p): New field.
11988         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
11989         (df_live_set_all_dirty): New function.
11990         * df-scan.c (df_scan_alloc): Initialize optional_p.
11991         (problem_SCAN): Initialize free_blocks_on_set_blocks.
11992         * df-core.c (df_set_blocks): Removed use of
11993         DF_FIRST_OPTIONAL_PROBLEM.  Now uses
11994         df_problem.free_blocks_on_set_blocks to determine which blocks are
11995         recycled.
11996         (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
11997         (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM.  Now
11998         uses dataflow.optional_p to determine if problem should be
11999         deleted.
12000         (rest_of_handle_df_initialize): Only start live problem if
12001         -02 or above.
12002         (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
12003         * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
12004         df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
12005         (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
12006         problem_NOTE): Initialize free_blocks_on_set_blocks.
12007         (df_lr_bb_local_compute): Recompute luids if df_live problem is
12008         not active.
12009         (df_live_set_all_dirty, df_note_alloc): New function.
12010         * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
12011         df_get_live_*.
12012         * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
12013         * postreload.c (reload_combine): Ditto.
12014         * cse.c (cse_extended_basic_block): Ditto.
12015         * regmove.c (mark_flags_life_zones): Ditto.
12016         * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
12017         erase_matching_seqs): Ditto.
12018         * bt-load.c (compute_defs_uses_and_gen): Ditto.
12019         * integrate (allocate_initial_values): Ditto.
12020         * combine.c (reg_dead_at_p): Ditto.
12021         * resource.c (mark_target_live_regs): Ditto.
12022         * sched-rgn.c (check_live_1, update_live_1): Ditto.
12023         * config/sh/sh.c (find_r0_life_regions): Ditto.
12024         * global.c (rest_of_handle_global_alloc): Only add back df_live
12025         for -O > 1.
12026         * local-alloc.c (rest_of_handle_local_alloc): Only remove
12027         df_live for -O > 1.
12028         * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
12029         df_get_live_*.
12030         (if_convert): Make sure df_live is there at -O == 1.
12031         (pass_if_after_combine): Cleanup flags.
12032         * init-regs.c (initialize_uninitialized_regs): Make sure df_live
12033         is there at -O == 1.
12034
12035 2007-06-19  Seongbae Park  <seongbae.park@gmail.com>
12036
12037         * config/arm/arm.c (arm_get_frame_offsets): Set
12038         offsets->locals_base to avoid negative stack size.
12039         (thumb1_expand_prologue): Assert on negative stack size.
12040
12041 2007-06-19  Sebastian Pop  <sebpop@gmail.com>
12042
12043         PR tree-optimization/32367
12044         * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
12045         of the chrec has no evolution in that loop.
12046         * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
12047
12048 2007-06-19  Bob Wilson  <bob.wilson@acm.org>
12049
12050         * config/xtensa/xtensa.c: Include "df.h".
12051         (xtensa_builtin_saveregs): Use adjust_address instead of
12052         change_address.
12053         (xtensa_va_start): Invoke make_tree with sizetype for
12054         expand_builtin_saveregs and then convert the result to a pointer.
12055         Use POINTER_PLUS_EXPR.  Use size_int instead of build_int_cst.
12056         (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
12057         Subtract argument size from index value as integers and then use
12058         POINTER_PLUS_EXPR to add the result to the array address.
12059
12060 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12061
12062         PR target/32335
12063         * config/m32c/m32c.c: Include dataflow header file.
12064         (m32c_emit_prologue): Adjust for prologue insn change.
12065         * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
12066         once inside a PARALLEL. Assume frame size passed in operand 0
12067         includes space to save the fb register.
12068         (prologue_enter_24): Likewise.
12069         (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
12070
12071 2007-06-19  David Daney  <ddaney@avtrex.com
12072
12073         PR target/32313
12074         * config/mips/mips.md (cprestore): Mark $gp as used.
12075
12076 2007-06-19  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12077
12078         PR target/32369
12079         * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
12080         (frv_ifcvt_modify_insn): Likewise.
12081
12082 2007-06-19  Richard Guenther  <rguenther@suse.de>
12083
12084         * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
12085         only handle positive offsets that fit in a HOST_WIDE_INT.
12086
12087 2007-06-19  Uros Bizjak  <ubizjak@gmail.com>
12088
12089         * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
12090         result of rsqrt insn for zero input argument to avoid NaN.
12091
12092 2007-06-19  Richard Guenther  <rguenther@suse.de>
12093
12094         PR middle-end/31950
12095         * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
12096
12097 2007-06-19  Jakub Jelinek  <jakub@redhat.com>
12098
12099         PR tree-optimization/32353
12100         * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
12101
12102 2007-06-19  Nick Clifton  <nickc@redhat.com>
12103
12104         * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
12105
12106 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12107
12108         PR target/32389
12109         * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
12110         * config/i386/i386.c (assign_386_stack_local): Assert that
12111         SLOT_VIRTUAL is valid only before virtual regs are instantiated.
12112         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
12113         Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
12114         * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
12115
12116 2007-06-18  Steve Ellcey  <sje@cup.hp.com>
12117
12118         * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
12119
12120 2007-06-18  Seongbae Park  <seongbae.park@gmail.com>
12121
12122         PR rtl-optimization/32321
12123         * gcse.c (replace_store_insn): Update the note before
12124         calling emit_insn_after.
12125
12126 2007-06-18  Kenneth Zadeck <zadeck@naturalbridge.com>
12127
12128         PR middle-end/32355
12129         * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
12130         cse_main.
12131         * df-problems.c (df_note_bb_compute): Fix dumping info.
12132
12133 2007-06-18  Kazu Hirata  <kazu@codesourcery.com>
12134
12135         * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
12136         insn with emit_jump_insn.
12137
12138 2007-06-18  Uros Bizjak  <ubizjak@gmail.com>
12139
12140         PR tree-optimization/32383
12141         * targhooks.c (default_builtin_reciprocal): Add new bool argument.
12142         * targhooks.h (default_builtin_reciprocal): Update prototype.
12143         * target.h (struct gcc_target): Update builtin_reciprocal.
12144         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
12145         * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
12146         where arg1 is not SSA_NAME.  Pass true to targetm.builtin_reciprocal
12147         when fndecl is in BUILT_IN_MD class.
12148         (execute_convert_to_rsqrt): Ditto.
12149
12150         * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
12151         argument.  Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
12152         Convert BUILT_IN_SQRTF code only  when md_fn is false.
12153
12154 2007-06-18  Kaz Kojima  <kkojima@gcc.gnu.org>
12155
12156         * bt-load.c (move_btr_def): Fix the order of arguments
12157         to validate_replace_rtx.
12158
12159 2007-06-18  Nathan Sidwell  <nathan@codesourcery.com>
12160
12161         * config/m68k/m68k-devices.def: Add 54450..54455.
12162
12163 2007-06-17  Uros Bizjak  <ubizjak@gmail.com>
12164
12165         PR rtl-optimization/32366
12166         * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
12167         FLOAT_EXTEND]: Prevent non-scalar modes from entering
12168         significand_size.
12169
12170 2007-06-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12171
12172         PR middle-end/32349
12173         * modulo-sched (generate_reg_moves): Added rescan parameter and if
12174         this is true, rescan insn being modified.
12175         (sms_schedule): Added rescan parameter.
12176         (rest_of_handle_sms): Moved freeing of dominance info to before
12177         getting out of cfg_layout.
12178
12179 2007-06-17  Nathan Sidwell  <nathan@codesourcery.com>
12180
12181         * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
12182         * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
12183         appropriate.
12184
12185         * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
12186         FL_CF_EMAC from the entry for isac.
12187
12188         * config/m68k/predicates.md (const_call_operand): Adjust comment.
12189         (const_sibcall_operand): New.
12190         (sibcall_operand): Use it.
12191         * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
12192         (m68k_isas): ISAC does not imply FPU or EMAC.
12193         (override_options): Add ISA_C logic for symbolic jump & call.
12194
12195 2007-06-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
12196
12197         * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
12198         return mode from the builtin itself.
12199         (sparc_fold_builtin): Fix cast of zero constant.
12200
12201 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12202
12203         * targhooks.c (default_builtin_reciprocal): New default target hook.
12204         * targhooks.h (default_builtin_reciprocal): Add prototype.
12205         * hooks.c (hook_tree_tree_bool_null): Remove hook.
12206         * hooks.h (hook_tree_tree_bool_null): Remove prototype.
12207         * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
12208         default_builtin_reciprocal.
12209
12210 2007-06-16  Uros Bizjak  <ubizjak@gmail.com>
12211
12212         PR middle-end/31723
12213         * hooks.c (hook_tree_tree_bool_null): New hook.
12214         * hooks.h (hook_tree_tree_bool_null): Add prototype.
12215         * tree-pass.h (pass_convert_to_rsqrt): Declare.
12216         * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
12217         * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
12218         and convert it to reciprocal a*rfunc(b).
12219         (execute_convert_to_rsqrt): New function.
12220         (gate_convert_to_rsqrt): New function.
12221         (pass_convert_to_rsqrt): New pass definition.
12222         * target.h (struct gcc_target): Add builtin_reciprocal.
12223         * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
12224         (TARGET_INITIALIZER): Initialize builtin_reciprocal with
12225         TARGET_BUILTIN_RECIPROCAL.
12226         * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
12227
12228         * config/i386/i386.h (TARGET_RECIP): New define.
12229         * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
12230         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12231         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12232         and not optimizing for size.
12233         (*rcpsf2_sse): New insn pattern.
12234         (*rsqrtsf2_sse): Ditto.
12235         (rsqrtsf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12236         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12237         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12238         and not optimizing for size.
12239         (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
12240         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12241         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12242         and not optimizing for size.
12243         * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
12244         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12245         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12246         and not optimizing for size.
12247         (*sse_rsqrtv4sf2): Do not export.
12248         (sqrtv4sf2): Ditto.
12249         (sse_rsqrtv4sf2): New expander.  Expand by calling ix86_emit_swsqrtsf
12250         for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
12251         flag_unsafe_math_optimizations are set, flag_trapping_math is unset
12252         and not optimizing for size.
12253         (sqrtv4sf2): Ditto.
12254         * config/i386/i386.opt (mrecip): New option.
12255         * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
12256         (ix86_emit_swsqrtsf): Ditto.
12257         * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
12258         (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
12259         builtin definition.
12260         (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
12261         ix86_expand_unop1_builtin.
12262         (ix86_emit_swdivsf): New function.
12263         (ix86_emit_swsqrtsf): Ditto.
12264         (ix86_builtin_reciprocal): New function.
12265         (TARGET_BUILTIN_RECIPROCAL): Use it.
12266         (ix86_vectorize_builtin_conversion): Rename from
12267         ix86_builtin_conversion.
12268         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
12269         * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
12270         "i386 and x86_64 Options" section.
12271         (Intel 386 and AMD x86_64 Options): Document -mrecip.
12272
12273 2007-06-15  Andrew Pinski <andrew_pinski@playstation.sony.com>
12274             Zdenek Dvorak <dvorakz@suse.cz>
12275             Richard Guenther  <rguenther@suse.de>
12276             Kaz Kojima  <kkojima@gcc.gnu.org>
12277
12278         * tree-vrp.c (compare_values_warnv): Convert val2 to
12279         the type of val1.
12280         (extract_range_from_assert): Create
12281         POINTER_PLUS_EXPR for pointer types.
12282         (extract_range_from_binary_expr): Handle
12283         only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
12284         for pointer types.
12285         * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
12286         * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
12287         POINTER_PLUS_EXPR as PLUS_EXPR.
12288         (number_of_iterations_lt_to_ne):
12289         For pointer types, use sizetype when
12290         creating MINUS_EXPR/PLUS_EXPRs.
12291         (assert_loop_rolls_lt): For pointer types, use sizetype when
12292         creating MINUS_EXPR/PLUS_EXPRs.
12293         (number_of_iterations_le): Likewise.
12294         (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
12295         (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
12296         like PLUS_EXPR and MINUS_EXPR.
12297         * tree-pretty-print.c (dump_generic_node): Handle
12298         POINTER_PLUS_EXPR.
12299         (op_prio): Likewise.
12300         (op_symbol_1): Likewise.
12301         * optabs.c (optab_for_tree_code): Likewise.
12302         * tree-ssa-loop-manip.c (create_iv): Handle pointer base
12303         specially.
12304         * tree-tailcall.c (process_assignment): Mention
12305         POINTER_PLUS_EXPR in a TODO comment.
12306         * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
12307         MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
12308         not used with a pointer and an integer type.
12309         * tree-scalar-evolution.c (add_to_evolution_1): Convert the
12310         increment using chrec_convert_rhs instead of chrec_convert.
12311         (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
12312         PLUS_EXPR except for the right hand side's type will be
12313         sizetype.
12314         (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
12315         (fold_used_pointer_cast): Kill.
12316         (pointer_offset_p): Kill.
12317         (fold_used_pointer): Kill.
12318         (pointer_used_p): Kill.
12319         (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
12320         call fold_used_pointer.
12321         (instantiate_parameters_1): Convert the increment
12322         using chrec_convert_rhs instead of chrec_convert.
12323         Handle POINTER_PLUS_EXPR as PLUS_EXPR.
12324         * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
12325         instead of PLUS_EXPR.
12326         (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
12327         PLUS_EXPR for pointers.
12328         (std_gimplify_va_arg_expr): Likewise.
12329         (fold_builtin_memory_op): Likewise.
12330         (fold_builtin_strstr): Likewise.
12331         (fold_builtin_strchr): Likewise.
12332         (fold_builtin_strrchr): Likewise.
12333         (fold_builtin_strpbrk): Likewise.
12334         (expand_builtin_memory_chk): Likewise.
12335         (fold_builtin_memory_chk): Likewise.
12336         (std_expand_builtin_va_start): Use
12337         sizetype for the call to make_tree and then convert
12338         to the pointer type.
12339         (fold_builtin_memchr): Use POINTER_PLUS_EXPR
12340         instead of PLUS_EXPR for adding to a pointer.
12341         (std_gimplify_va_arg_expr): Use fold_build2 for
12342         the creating of POINTER_PLUS_EXPR.  For the BIT_AND_EXPR, cast
12343         the operands to sizetype first and then cast the BIT_AND_EXPR
12344         back to the pointer type.
12345         * fold-const.c (build_range_check): Handle pointer types
12346         specially.
12347         (extract_array_ref): Look for POINTER_PLUS_EXPR instead
12348         of PLUS_EXPR's. Make sure the offset is converted to
12349         sizetype.
12350         (try_move_mult_to_index): Strip the NOPs from the offset.
12351         Remove code argument and replace all uses with PLUS_EXPR.
12352         (fold_to_nonsharp_ineq_using_bound): Handle pointer types
12353         specially. Don't use a pointer type for MINUS_EXPR.
12354         (fold_unary): Handle for (T1)(X op Y),
12355         only p+ as that is the only as that can be handled for
12356         binary operators now.
12357         (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
12358         POINTER_PLUS_EXPR.
12359         <case PLUS_EXPR>: Add folding of PTR+INT into
12360         PTR p+ INT.
12361         Don't call try_move_mult_to_index.
12362         <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
12363         into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
12364         (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
12365         Don't call try_move_mult_to_index.
12366         (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
12367         (tree_expr_nonzero_p): Likewise.
12368         (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
12369         of PLUS_EXPR for the complex expression folding.
12370         * tree-chrec.c (chrec_fold_plus_poly_poly): If the
12371         first chrec is a pointer type, then the second should
12372         be sizetype and not the first's type.
12373         For POINTER_PLUS_EXPR, use a different right hand side type.
12374         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12375         (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
12376         different right hand side type.
12377         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12378         (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
12379         instead of PLUS_EXPR.
12380         When either operand is zero, convert the other operand.
12381         (chrec_apply): Use chrec_convert_rhs
12382         on the argument x instead of chrec_convert.
12383         (reset_evolution_in_loop): For pointer types, the new_evol
12384         should be sizetype.
12385         (convert_affine_scev): For POINTER_PLUS_EXPR, use a
12386         different right hand side type.
12387         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12388         (chrec_convert_rhs): New function.
12389         (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
12390         different right hand side type.
12391         Handle POINTER_PLUS_EXPR like PLUS_EXPR.
12392         * tree-chrec.h (chrec_convert_rhs): New prototype.
12393         (build_polynomial_chrec): For pointer types, the right hand
12394         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
12395         POINTER_PLUS_EXPR instead of PLUS_EXPR's.
12396         Remove subtraction case as it is always addition now.
12397         Make sure the offset is converted to sizetype.
12398         (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
12399         Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
12400         * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
12401         PLUS_EXPR in pointer type.
12402         Handle POINTER_PLUS_EXPR.
12403         (tree_to_aff_combination): Likewise.
12404         (force_expr_to_var_cost): Likewise.
12405         (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
12406         instead of PLUS_EXPR for pointers.
12407         * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
12408         instead of PLUS_EXPR of pointer types.
12409         * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
12410         as PLUS_EXPR.
12411         (check_va_list_escapes): Likewise.
12412         (check_all_va_list_escapes): Likewise.
12413         * dwarf2out.c (loc_descriptor_from_tree_1):
12414         Handle POINT_PLUS_EXPR as a PLUS_EXPR.
12415         * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
12416         (string_constant): Likewise.
12417         * tree-ssa-address.c (tree_mem_ref_addr): When adding
12418         the offset to the base, use POINTER_PLUS_EXPR.
12419         (add_to_parts): Convert the index to sizetype.
12420         (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
12421         * matrix-reorg.c (collect_data_for_malloc_call): Stmt
12422         will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
12423         Offset only holds something for PLUS_EXPR.
12424         (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
12425         a PLUS_EXPR.
12426         (analyze_transpose): POINTER_PLUS_EXPR will only show up now
12427         and not PLUS_EXPR.
12428         (analyze_accesses_for_modify_stmt): Likewise.
12429         Remove comment about the type being integral type as it is
12430         wrong now.
12431         (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
12432         PLUS_EXPR.
12433         (transform_access_sites): POINTER_PLUS_EXPR will only show up now
12434         and not PLUS_EXPR.
12435         Correct the type which the artimentic is done in (is now
12436         sizetype).
12437         Reindent one loop.
12438         * tree-data-ref.c (split_constant_offset): Handle
12439         POINTER_PLUS_EXPR
12440         * tree-affine.c (tree_to_aff_combination): Likewise.
12441         * c-typeck.c (build_unary_op): For pointers create the increment
12442         as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
12443         for pointers.
12444         * gimplify.c (gimplify_self_mod_expr): Create a
12445         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12446         (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
12447         * tree.def (POINTER_PLUS_EXPR): New tree code.
12448         * tree-predcom.c (ref_at_iteration): If we have a pointer
12449         type do the multiplication in sizetype.
12450         * tree-mudflap.c (mf_xform_derefs_1): Create a
12451         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12452         * tree-ssa-forwprop.c
12453         (forward_propagate_addr_into_variable_array_index):
12454         Don't expect there to be a cast for the index as that
12455         does not exist anymore.
12456         (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
12457         instead of PLUS_EXPR.
12458         Don't check for the first operand of the POINTER_PLUS_EXPR
12459         was the index as it cannot be.
12460         Call forward_propagate_addr_into_variable_array_index with
12461         the SSA_NAME instead of the statement.
12462         * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
12463         (compare_constant): Likewise.
12464         (copy_constant): Likewise.
12465         (compute_reloc_for_constant): Likewise.
12466         (output_addressed_constants): Likewise.
12467         (initializer_constant_valid_p): Likewise.
12468         * tree-ssa.c (tree_ssa_useless_type_conversion_1):
12469         Convert the MIN/MAX of the inner type to the outer
12470         type before comparing them.
12471         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
12472         POINTER_PLUS_EXPR instead of PLUS_EXPR.
12473         (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
12474         of PLUS_EXPR for pointers.
12475         * tree-inline.c (estimate_num_insns_1): Handle
12476         POINTER_PLUS_EXPR.
12477         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
12478         Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12479         (bump_vector_ptr): Create a POINTER_PLUS_EXPR
12480         instead of PLUS_EXPR for the pointer increment statement.
12481         (vect_update_ivs_after_vectorizer): For pointer types, create
12482         POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
12483         MULT_EXPR in sizetype.
12484         (vect_gen_niters_for_prolog_loop): Add a cast when creating
12485         byte_misalign.
12486         * tree-object-size.c (plus_expr_object_size): Handle
12487         POINTER_PLUS_EXPR instead of PLUS_EXPR.  Removing all the extra
12488         code which is trying to figure out which side is a pointer and
12489         is the index.
12490         (check_for_plus_in_loops_1): Likewise.
12491         (check_for_plus_in_loops): Likewise.
12492         * c-common.c (pointer_int_sum): Create a
12493         POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
12494         * tree-ssa-structalias.c (handle_ptr_arith): Handle
12495         only POINTER_PLUS_EXPR.  Removing all the extra
12496         code which is trying to figure out which side is a pointer and
12497         is the index.
12498         * tree-cfg.c (verify_expr): Add extra checking for pointers and
12499         PLUS_EXPR and MINUS_EXPR.
12500         Also add checking to make sure the operands of POINTER_PLUS_EXPR
12501         are correct.
12502         * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
12503         with make_tree, instead of a pointer type.
12504         * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
12505         for pointers instead of PLUS_EXPR.
12506         (s390_gimplify_va_arg): Likewise.
12507         * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
12508         instead of PLUS_EXPR when doing addition on pointer
12509         types.  Use sizetype for the second operand.
12510         (spu_gimplify_va_arg_expr): Likewise.
12511         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
12512         POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
12513         a pointer.  Don't create a BIT_AND_EXPR for pointer types.
12514         * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
12515         for the pointer addition and also use size_int/sizetype
12516         for the offset.
12517         (ix86_gimplify_va_arg): Likewise.
12518         Perform BIT_AND_EXPR on sizetype arguments.
12519         * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
12520         and convert its result to a pointer type.  Use POINTER_PLUS_EXPR
12521         for the pointer additions and also use size_int for the offsets.
12522         (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
12523         additions and also use size_int for the offsets.  Perform
12524         BIT_AND_EXPR on sizetype arguments.
12525         * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
12526         POINTER_PLUS_EXPR for pointers and create the
12527         BIT_AND_EXPR in sizetype.
12528         * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
12529         instead of PLUS_EXPR for pointer addition.
12530         (rs6000_va_start): Likewise.
12531         Also use sizetype for the offset.
12532         * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
12533         as PLUS_EXPR/MINUS_EXPR.
12534         (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
12535         PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
12536         Don't use BIT_AND_EXPR on a pointer type, convert the
12537         expression to sizetype first.
12538         * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
12539         for pointers.
12540         (mips_gimplify_va_arg_expr): Likewise.
12541         Don't create BIT_AND_EXPR in a pointer type.
12542
12543 2007-06-15  Eric Christopher  <echristo@apple.com>
12544
12545         * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
12546         (x86_64-*-darwin*): Ditto.
12547         * config/i386/darwin.h (CRTEND_SPEC): New. Add support
12548         for above.
12549
12550 2007-06-15  Matthew Wilcox <matthew@wil.cx>
12551
12552         * doc/extend.texi: Document behavior of __attribute__((aligned))
12553         on typedefs.
12554
12555 2007-06-15  Mark Mitchell  <mark@codesourcery.com>
12556
12557         * rtlanal.c (note_stores): Improve documentation.
12558
12559 2007-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12560
12561         * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
12562         LOCAL_LABEL_PREFIX): Delete.
12563         * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
12564         (bfin_internal_label): Delete.
12565
12566 2007-06-15  Uros Bizjak  <ubizjak@gmail.com>
12567
12568         * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
12569         define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
12570         otherwise define to LIBGCC2_TF_CEXT.
12571         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
12572         (LIBGCC_TF_CEXT): Ditto.
12573         (TF_SIZE): Ditto.
12574
12575 2007-06-14  Seongbae Park  <seongbae.park@gmail.com>
12576
12577         PR rtl-optimization/32339
12578         * df-scan.c (df_uses_record): Don't modify flags but just add to
12579         it for df_ref_record.
12580
12581 2007-06-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12582
12583         * tree-mudflap.c: Fix whitespace issues.
12584
12585 2007-06-15  Kazu Hirata  <kazu@codesourcery.com>
12586
12587         * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
12588
12589 2007-06-14  Eric Christopher  <echristo@apple.com>
12590
12591         * config/i386/sse.md (movdi_to_sse): Rewrite body.
12592         (movv4sf): Use gcc_unreachable instead of abort.
12593
12594 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12595
12596         PR target/32268
12597         * config/i386/sfp-machine.h (CMPtype): New define.
12598         (mach stubs): Use CMPtype instead of int as a return type.
12599
12600 2007-06-14  Uros Bizjak  <ubizjak@gmail.com>
12601
12602         * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
12603         config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
12604         config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
12605         config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
12606         config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
12607         config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
12608         config/soft-fp/soft-fp.h: Update from glibc CVS.
12609
12610 2007-06-14  Bernd Schmidt  <bernd.schmidt@analog.com>
12611
12612         * config/bfin/uclinux.h (MFWRAP_SPEC): New.
12613
12614 2007-06-14  Rask Ingemann Lambertsen  <rask@sygehus.dk>
12615
12616         PR target/32341
12617         * config/v850/v850.c: Include dataflow header file.
12618         (substitute_ep_register): Fix typo.
12619
12620 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12621
12622         * configure.ac: Fix earlier checkin.
12623         * configure: Regenerated.
12624
12625 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12626
12627         * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
12628         * aclocal.m4: Regenerate.
12629         * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
12630         ACX_PROG_CC_WARNINGS_ARE_ERRORS,
12631         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
12632         * configure: Regenerate.
12633         * Makefile.in (LOOSE_WARN): Subst loose_warn.
12634
12635         * Makefile.in (quickstrap): Build libgcc too.
12636
12637 2007-06-14  Paolo Bonzini  <bonzini@gnu.org>
12638
12639         * configure.ac: Add --enable-checking=df.  Explicitly mention that
12640         the variables are initialized as for "release".
12641         * df-core.c: Use it.
12642         * configure: Regenerate.
12643         * config.in: Regenerate.
12644
12645 2007-06-14  Bob Wilson  <bob.wilson@acm.org>
12646
12647         * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
12648         validate_replace_rtx instead of replace_rtx.
12649         (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
12650
12651 2007-06-14  Danny Smith  <dannysmith@users.sourceforge.net>
12652
12653         * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
12654         (DWARF2_UNWIND_INFO): Override default if configured with
12655         SJLJ EH disabled.
12656         * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
12657         (ENDFILE_SPEC): Add crtend.o.
12658         * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
12659         (ENDFILE_SPEC): Add crtend.o.
12660         (TARGET_USE_JCR_SECTION): Define.
12661         (MD_UNWIND_SUPPORT): Define for 32-bit target.
12662
12663         * config/i386/cygming-crtbegin.c: New file.
12664         * config/i386/cygming-crtend.c: New file.
12665
12666 2007-06-14  Pascal Obry Pascal Obry  <obry@adacore.com>
12667
12668         * config/i386/w32-unwind.h: New file.
12669
12670 2007-06-13  Eric Christopher  <echristo@apple.com>
12671
12672         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
12673         the user set a value below STACK_BOUNDARY.
12674
12675 2007-06-13  Thiemo Seufer  <ths@networkno.de>
12676
12677         * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
12678         imply -lpthread for -pthread.
12679
12680 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12681
12682         * basic-block.h: Remove the prototype for
12683         free_basic_block_vars.
12684         * cfglayout.h: Remove the prototype for
12685         insn_locators_initialize.
12686         * tree.h: Remove the prototype for emit_line_note.
12687
12688         * tree-ssa-pre.c (mergephitemp): Remove.
12689         (init_pre): Don't use mergephitemp.
12690
12691 2007-06-13  Eric Christopher  <echristo@apple.com>
12692
12693         * config/i386/i386.c (override_options): If we've specified
12694         an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
12695
12696 2007-06-13  Bob Wilson  <bob.wilson@acm.org>
12697
12698         * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
12699         is defined.
12700
12701 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12702
12703         * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
12704         * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
12705         (eh_store_handler): New pattern.
12706         (eh_return): Emit it instead of a plain move.
12707
12708 2007-06-13  Uros Bizjak  <ubizjak@gmail.com>
12709
12710         * config/i386/i386.c (ix86_init_mmx_sse_builtins)
12711         [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
12712         [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
12713         def_builtin_const.
12714
12715 2007-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
12716
12717         * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
12718         (find_next_insn_start, find_load): New functions.
12719         (bfin_reorg): Use them to deal with the fact that parallel insns are
12720         no longer represented as a SEQUENCE.
12721
12722 2007-06-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
12723
12724         * config/sparc/sparc.c (sparc_override_options): Initialize
12725         fpu mask correctly.
12726
12727 2007-06-13  Dave Korn  <dave.korn@artimi.com>
12728
12729         * config/i386/i386.c (ix86_eax_live_at_start_p): Use
12730         df_get_live_out.
12731
12732 2007-06-13  Kazu Hirata  <kazu@codesourcery.com>
12733
12734         * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
12735         config/sh/divcost-analysis, dbgcnt.def, df-core.c,
12736         df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
12737         tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
12738         tree-vect-transform.c: Fix comment typos.  Follow spelling
12739         conventions.
12740
12741 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12742
12743        * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
12744        to the exit block use set.
12745        (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
12746        * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
12747        * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
12748
12749 2007-06-12  Seongbae Park  <seongbae.park@gmail.com>
12750
12751         * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
12752         * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
12753         to indicate an error.
12754         (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
12755         New functions.
12756         (dbg_cnt_process_opt): Print an error on a bad argument.
12757         * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
12758         * common.opt (-fdbg-cnt-list): New.
12759         * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
12760
12761 2007-06-12  Eric Botcazou  <ebotcazou@adacore.com>
12762
12763         * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
12764         flag on ref-all pointers.
12765
12766 2007-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12767
12768         PR middle-end/31579
12769         * expr.c (expand_expr_addr_expr_1): Call expand_expr
12770         for the offset with the modifier as EXPAND_INITIALIZER
12771         if the modifier is EXPAND_INITIALIZER.
12772         (expand_expr_real_1 <case INTEGER_CST>): Don't force to
12773         a register if we had an overflow.
12774
12775 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12776
12777         * real.c (real_isfinite): New.
12778         (real_sqrt): Use it.
12779         * real.h (real_isfinite): New.
12780         * builtins.c: Use it.
12781
12782 2007-06-12  Ian Lance Taylor  <iant@google.com>
12783             Daniel Berlin  <dberlin@dberlin.org>
12784
12785         PR libstdc++/29286
12786         * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
12787         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
12788         (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
12789         (DECL_NO_TBAA_P): Define.
12790         (struct tree_decl_common): Add no_tbaa_flag field.
12791         * tree-ssa-structalias.c (struct variable_info): Add
12792         no_tbaa_pruning field.
12793         (new_var_info): Initialize no_tbaa_pruning field.
12794         (unify_nodes): Copy no_tbaa_pruning field.
12795         (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12796         (dump_solution_for_var): Print no_tbaa_pruning flag.
12797         (set_uids_in_ptset): Add no_tbaa_pruning parameter.  Change all
12798         callers.
12799         (compute_tbaa_pruning): New static function.
12800         (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
12801         Call compute_tbaa_pruning.
12802         * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
12803         * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
12804         * gimple-low.c (lower_stmt): Likewise.
12805         * tree-gimple.c (is_gimple_stmt): Likewise.
12806         * tree-ssa-operands.c (get_expr_operands): Likewise.
12807         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12808         * tree-inline.c (estimate_num_insns_1): Likewise.
12809         (copy_result_decl_to_var): Likewise.
12810         * expr.c (expand_expr_real_1): Likewise.
12811         * tree-pretty-print.c (dump_generic_node): Likewise.
12812         * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
12813         * omp-low.c (omp_copy_decl_2): Likewise.
12814         * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
12815         * doc/c-tree.texi (Expression trees): Document
12816         CHANGE_DYNAMIC_TYPE_EXPR.
12817
12818 2007-06-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12819
12820         * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
12821         with !HONOR_NANS and !HONOR_INFINITIES.
12822         * simplify-rtx.c (simplify_binary_operation_1): Likewise.
12823
12824 2007-06-12  Tristan Gingold  <gingold@adacore.com>
12825
12826         * gcov.c: Comments updated.
12827         (source_info): Add file_time field.
12828         (source_index): New variable.
12829         (mutiple_files): New variable.
12830         (generate_results): New function extracted from process_file.
12831         (process_file): Save and restore chain of functions, generate
12832         results and free structures only if not merging results.
12833         (release_structures): File names are now freed in create_file_names
12834         (create_file_names): Free previous file names.
12835         (find_source): File date is now read here and modifications in
12836         source files is checked here.
12837         (read_graph_file): Only reverse order of functions for the current
12838         object file.
12839         (make_gcov_file_name): Do not generate long names if input_name is
12840         NULL.
12841         (output_lines): If merging results do not display graph, data and
12842         runs informations.
12843         Checking source file modification is done in find_source.
12844
12845         * doc/gcov.texi: Append an s to sourcefile.
12846
12847 2007-06-12  Bernd Schmidt  <bernd.schmidt@analog.com>
12848
12849         * config/bfin/bfin.md (UNSPEC_NOP): New constant.
12850         (forced_nop): New pattern.
12851         * config/bfin/bfin.c: Include "df.h".
12852         (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
12853         (bfin_discover_loop): Use df_get_live_in instead of
12854         global_live_at_start.
12855         (bfin_reorder_loops): Pass 0 to cfg_layout_initialize.  Call
12856         df_analyze when done.
12857         (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
12858         the insns.  Use QImode for the final insn in a bundle.  Call
12859         df_insn_rescan on generated NOPs; use gen_forced_nop instead of
12860         gen_nop.
12861         (reorder_var_tracking_notes): New function.
12862         (bfin_reorg): Pass no argument to split_all_insns.  Don't call
12863         update_life_info.  Call df_analyze after scheduling and bundle
12864         generation.  Call reorder_var_tracking_notes if generating these
12865         notes.  Call df_finish_pass at the end.
12866
12867 2007-06-12  Dirk Mueller  <dmueller@suse.de>
12868
12869         * optabs.c (debug_optab_libfuncs): fix gcc_assert to
12870         a comparison, not an assignment.
12871
12872 2007-06-12  Olivier Hainque  <hainque@adacore.com>
12873
12874         * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
12875         Request walking the subtrees only, leaving the current is_lhs/val_only
12876         untouched.
12877         (convert_non_local_reference): Likewise.
12878
12879 2007-06-12  Nathan Sidwell  <nathan@codesourcery.com>
12880
12881         * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
12882
12883 2007-06-12  Richard Guenther  <rguenther@suse.de>
12884
12885         PR tree-optimization/15353
12886         PR tree-optimization/31657
12887         * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
12888         * timevar.def: Add TV_TREE_IFCOMBINE.
12889         * tree-pass.h (pass_tree_ifcombine): Declare.
12890         * tree-ssa-ifcombine.c: New file.
12891         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
12892         * tree-flow.h (blocks_in_phiopt_order): Declare.
12893         * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
12894         (tree-ssa-ifcombine.o): New dependencies.
12895
12896 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12897
12898         PR rtl-optimization/32293
12899         * combine.c (simplify_if_then_else): Truncate return from
12900         nonzero_bits() to correct mode.
12901
12902 2007-06-12  Uros Bizjak  <ubizjak@gmail.com>
12903
12904         * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
12905         into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
12906
12907 2007-06-11  Diego Novillo  <dnovillo@google.com>
12908
12909         * Makefile.in (reload1.o-warn): Remove.
12910
12911 2007-06-11  Seongbae Park <seongbae.park@gmail.com>
12912
12913         * combine.c (subst): Use reg_overlap_mentioned_p
12914         instead of comparing register numbers directly.
12915
12916 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12917
12918         * reload1.c (mark_home_live_1): Use the mode parameter.
12919
12920 2007-06-11  Kenneth Zadeck <zadeck@naturalbridge.com>
12921
12922         * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
12923         df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
12924         word "deferred".
12925         * df-core.c: Ditto.
12926
12927 2007-06-11  Daniel Berlin  <dberlin@dberlin.org>
12928
12929         * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
12930
12931 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
12932
12933         * config/i386/i386.md ("*movtf_internal): Penalize moves to and
12934         from integer registers.
12935         (FP mode splitters): Handle TFmode.
12936
12937 2007-06-11  Eric Botcazou  <ebotcazou@adacore.com>
12938
12939         * tree-ssa-structalias.c (find_what_p_points_to): Return false
12940         for ref-all pointers that point-to anything.
12941
12942 2007-06-11  Joseph Myers  <joseph@codesourcery.com>
12943
12944         * config/arm/arm.c (arm_output_dwarf_dtprel,
12945         TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
12946
12947 2007-06-11  Bernd Schmidt  <bernd.schmidt@analog.com>
12948
12949         * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
12950         movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
12951         to memory moves.
12952
12953 2007-06-11  Rafael Avila de Espindola  <espindola@google.com>
12954
12955         * tree.c (signed_or_unsigned_type_for): New.
12956         (unsigned_type_for): Use signed_or_unsigned_type_for.
12957         (signed_type_for): Use signed_or_unsigned_type_for.
12958         * tree.h (signed_or_unsigned_type_for): New.
12959         (get_signed_or_unsigned_type): Remove.
12960         * fold-const.c (fold_negate_expr): Use signed_type_for instead of
12961         lang_hooks.types.signed_type
12962         (size_diffop): Likewise.
12963         (all_ones_mask_p): Likewise.
12964         (build_range_check): Likewise.
12965         (fold_cond_expr_with_comparison): Likewise.
12966         (fold_cond_expr_with_comparison): Likewise.
12967         (unextend): Likewise.
12968         (extract_muldiv_1): Likewise.
12969         (fold_single_bit_test_into_sign_test): Likewise.
12970         (fold_binary): Likewise.
12971         (fold_ternary): Likewise.
12972         (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
12973         instead of get_signed_or_unsigned_type.
12974         * c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
12975         (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12976         * expr.c (signed_or_unsigned_type_for): Use
12977         signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
12978         * langhooks.c (get_signed_or_unsigned_type): Remove.
12979         (lhd_signed_or_unsigned_type): Remove.
12980         * langhooks.h (lang_hooks_for_types): Remove signed_type and
12981         signed_or_unsigned_type.
12982         (lhd_signed_or_unsigned_type): Remove.
12983         * expmed.c (make_tree): Use signed_type_for instead of
12984         lang_hooks.types.signed_type.
12985         * c-common.c (same_scalar_type_ignoring_signedness): Use
12986         c_common_signed_type instead of lang_hooks.types.signed_type.
12987         (c_common_unsigned_type): New.
12988         (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
12989         (shorten_compare): Use c_common_unsigned_type instead of
12990         c_common_signed_or_unsigned_type.
12991         (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
12992         unsigned_type_for.
12993         * convert.c (convert_to_integer): Use signed_type_for instead of
12994         lang_hooks.types.signed_type.
12995         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
12996         (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
12997         LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
12998         * c-format.c (check_format_types): Use c_common_unsigned_type
12999         instead of unsigned_type_for.
13000         * c-decl.c (groakdeclarator): Likewise.
13001         * c-typeck.c (convert_for_assignment): Likewise.
13002         * c-common.h (c_common_unsigned_type): New.
13003
13004 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13005
13006         PR target/32280
13007         * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
13008         * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
13009
13010 2007-06-11  Uros Bizjak  <ubizjak@gmail.com>
13011
13012         PR middle-end/32279
13013         * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
13014         into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
13015
13016 2007-06-10  Jan Sjodin  <jan.sjodin@amd.com>
13017             Sebastian Pop  <sebpop@gmail.com>
13018
13019         * lambda-code.c (remove_iv): New.
13020         (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
13021
13022 2007-06-10  Zdenek Dvorak  <dvorakz@suse.cz>
13023
13024         * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
13025         * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
13026         * tree-ssa-loop-prefetch.c: Include optabs.h.
13027         (FENCE_FOLLOWING_MOVNT): New macro.
13028         (struct mem_ref): Add independent_p and storent_p fields.
13029         (record_ref): Initalize the new fields.
13030         (gather_memory_references_ref): Return true if the reference
13031         could be analysed.
13032         (gather_memory_references): Check whether all memory accesses
13033         in loop were recorded.
13034         (should_issue_prefetch_p): Return false for nontemporal stores.
13035         (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
13036         may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
13037         (determine_loop_nest_reuse): Detect independent memory references.
13038         (loop_prefetch_arrays): Call mark_nontemporal_stores.
13039         * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
13040         * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
13041         * config/i386/i386.h (x86_mfence): Declare.
13042         (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
13043         * config/i386/i386.c (x86_mfence): New variable.
13044         (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
13045
13046         * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
13047         * optabs.c (init_optabs): Initialize storent_optab.
13048         * optabs.h (enum optab_index): Add OTI_storent.
13049         (storent_optab): Declare.
13050         * genopinit.c (optabs): Add initialization for storent_optab.
13051         * tree.h (MOVE_NONTEMPORAL): New macro.
13052         * expr.c (expand_assignment, store_expr, store_constructor_field,
13053         store_constructor, store_field, expand_expr_real_1): Propagate
13054         nontemporality of the expanded store.
13055         (emit_storent_insn): New function.
13056         * expr.h (expand_assignment, store_expr): Declaration changed.
13057         * function.c (assign_parm_setup_reg): Pass false as nontemporality
13058         to expand_assignment.
13059         * stmt.c (expand_asm_expr): Ditto.
13060         * calls.c (initialize_argument_information): Pass false as
13061         nontemporality to store_expr.
13062         * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
13063         storentsi): New.
13064
13065 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13066
13067         * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
13068         parameter, use it.
13069         (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
13070
13071 2007-06-09  Daniel Berlin  <dberlin@dberlin.org>
13072
13073         * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
13074         and allow DECL_P here.
13075
13076 2007-06-09  Zdenek Dvorak  <dvorakz@suse.cz>
13077
13078         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
13079         follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
13080         track of the size of the expression.
13081         * cfghooks.c (merge_blocks): Remove block from loops structure only
13082         after call of the merge_blocks hook.
13083
13084 2007-06-09  Tom Tromey  <tromey@redhat.com>
13085
13086         * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
13087         (deprecated_state): Removed.
13088         (start_decl): Update.
13089         (enum deprecated_states): Moved earlier.
13090         (groktypename): Update.
13091         (push_parm_decl): Likewise.
13092         (grokfield): Likewise.
13093         (start_function): Likewise.
13094
13095 2007-06-09  Ian Lance Taylor  <iant@google.com>
13096
13097         PR tree-optimization/32169
13098         * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
13099         CONVERT_EXPR, check whether min and max both converted to an
13100         overflow infinity representation.
13101
13102 2007-06-08  Eric Botcazou  <ebotcazou@adacore.com>
13103
13104         * reload1.c (fixup_abnormal_edges): Clear bb field for insns
13105         not inserted on the edge.
13106
13107 2007-06-08  Bob Wilson  <bob.wilson@acm.org>
13108
13109         * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
13110         instructions if they are supported.
13111         (__divsi3, __umodsi3, __modsi3): Likewise.
13112         (__ashldi3, __ashrdi3, __lshrdi3): New.
13113         * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
13114
13115 2007-06-08  Harsha Jagasia <harsha.jagasia@amd.com>
13116             Tony Linthicum <tony.linthicum@amd.com>
13117
13118         * doc/invoke.texi: Add fvect-cost-model flag.
13119         * common.opt (fvect-cost-model): New flag.
13120         * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
13121         cost fields in stmt_vec_info struct for STMT.
13122         * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
13123         fields in stmt_vec_info struct and access functions for the same.
13124         (TARG_COND_BRANCH_COST): Define cost of conditional branch.
13125         (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
13126         load, store and vector to scalar operation.
13127         (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
13128         (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
13129         (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
13130         (TARG_VEC_STORE_COST): Define cost of vector store.
13131         (vect_estimate_min_profitable_iters): Define new function.
13132         * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
13133         check to evaluate if loop iterations are less than minimum profitable
13134         iterations determined by cost model or minimum vect loop bound defined
13135         by user, whichever is more conservative.
13136         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
13137         run-time check to evaluate if loop iterations are less than minimum
13138         profitable iterations determined by cost model or minimum vect loop
13139         bound defined by user, whichever is more conservative.
13140         (vect_estimate_min_profitable_iterations): New function to estimate
13141         mimimimum iterartions required for vector version of loop to be
13142         profitable over scalar version.
13143         (vect_model_reduction_cost): New function.
13144         (vect_model_induction_cost): New function.
13145         (vect_model_simple_cost): New function.
13146         (vect_cost_strided_group_size): New function.
13147         (vect_model_store_cost): New function.
13148         (vect_model_load_cost): New function.
13149         (vectorizable_reduction): Call vect_model_reduction_cost during
13150         analysis phase.
13151         (vectorizable_induction): Call vect_model_induction_cost during
13152         analysis phase.
13153         (vectorizable_load): Call vect_model_load_cost during analysis phase.
13154         (vectorizable_store): Call vect_model_store_cost during analysis phase.
13155         (vectorizable_call, vectorizable_assignment, vectorizable_operation,
13156         vectorizable_promotion, vectorizable_demotion): Call
13157         vect_model_simple_cost during analysis phase.
13158
13159 2007-06-08  Simon Baldwin  <simonb@google.com>
13160
13161         * reg-stack.c (get_true_reg): Readability change.  Moved default case
13162         label into direct switch statement scope.
13163
13164 2007-06-08  Simon Baldwin  <simonb@google.com>
13165
13166         * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
13167         in gcc_assert() with '==' comparison.
13168
13169 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13170
13171         * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
13172         TARGET_ABM handling of x86_popcnt variable.
13173
13174 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13175
13176         * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
13177         __builtin_copysignq and __builtin_infq built-in functions.
13178
13179 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13180
13181         * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
13182         SSE4.2 section.  Correct built-in function names in SSE4A section.
13183
13184 2007-06-08  Uros Bizjak  <ubizjak@gmail.com>
13185
13186         PR tree-optimization/32243
13187         * tree-vect-transform.c (vectorizable_type_promotion): Move check
13188         for ncopies after ratio check between nunits_out and nunits_in.
13189         (vectorizable_type_demotion): Remove single-use variable "scalar_type".
13190
13191 2007-06-08  Dorit Nuzman  <dorit@il.ibm.com>
13192
13193         PR tree-optimization/32224
13194         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
13195         vectorization upon a non GIMPLE_MODIFY_STMT.
13196
13197 2007-06-08  Christian Bruel  <christian.bruel@st.com>
13198
13199         PR target/29953
13200         * config/sh/sh.md (doloop_end): New pattern and splitter.
13201         * loop-iv.c (simple_rhs_p): Check for hardware registers.
13202
13203 2007-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
13204
13205         PR middle-end/32209
13206         * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
13207         functions.
13208         (verify_dominators): Do not change dominance tree.
13209
13210 2007-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
13211
13212         * config/sh/constraints.md: New file.
13213         * config/sh/sh.c: Include tm-constrs.h.
13214         (reg_class_from_letter): Remove.
13215         (prepare_cbranch_operands): Use satisfies_constraint_*
13216         function instead of macro.
13217         (andcosts, broken_move, sh_secondary_reload): Likewise.
13218         * config/sh/predicates.md (trapping_target_operand): Likewise.
13219         (and_operand, arith_operand, arith_reg_or_0_operand,
13220         cmp_operand, logical_operand, target_operand,
13221         ua_address_operand, ua_offset, xor_operand): Likewise.
13222         * config/sh/sh.md: Include constraints.md.
13223         (*movsicc_t_false): Use satisfies_constraint_* function
13224         instead of macro.
13225         (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
13226         lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
13227         movdi_const_16bit+1, beq, bne, *ptb): Likewise.
13228         * config/sh/sh.h (reg_class_from_letter): Remove prototype.
13229         (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
13230         (REG_CLASS_FROM_CONSTRAINT): Remove.
13231         (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
13232         CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
13233         CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
13234         CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
13235         CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
13236         (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
13237         function instead of macro.
13238         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
13239         (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
13240         EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
13241         EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
13242         (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
13243         (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
13244         (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
13245         (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
13246         (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
13247         EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
13248         EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
13249         EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
13250         EXTRA_CONSTRAINT_STR): Likewise.
13251         (GO_IF_LEGITIMATE_INDEX): Fix indentation.
13252
13253 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13254
13255         * config/i386/darwin.h (STACK_BOUNDARY): Define.
13256
13257 2007-06-07  Simon Martin  <simartin@users.sourceforge.net>
13258
13259         PR c++/30759
13260         * c-common.h (flag_cpp0x): Replaced by...
13261         (cxx_dialect): ... this new variable specifying the C++ dialect that
13262         is used.
13263         * c-common.c (flag_cpp0x): Removed.
13264         (cxx_dialect): Defined.
13265         * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
13266         cxx_dialect.
13267         * c-opts.c (c_common_post_options): Likewise.
13268         (set_std_cxx98): Set cxx_dialect to cxx98.
13269         (set_std_cxx0x): Set cxx_dialect to cxx0x.
13270
13271 2007-06-07  Geoffrey Keating  <geoffk@apple.com>
13272             Hui-May Chang <hm.chang@apple.com>
13273
13274         * doc/invoke.texi (Darwin Options): Update documentation for
13275         -mmacosx-version-min.
13276         * config.gcc (*-*-darwin*): Set extra_gcc_objs.
13277         * config/darwin-driver.c: New file.
13278         * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
13279         * config/t-darwin (darwin-driver.o): New rule.
13280
13281         * config/darwin-c.c (version_as_macro): Ignore low digit.
13282
13283 2007-06-07  Uros Bizjak  <ubizjak@gmail.com>
13284
13285         * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
13286         (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
13287         (CSGNMODE): New mode macro.
13288         (CSGNVMODE): New mode attribute.
13289         (copysign<mode>3): Rename from copysingsf3 and copysigndf3.  Macroize
13290         expander using CSGNMODE mode macro.  Handle TFmode.
13291         (copysign<mode>3_const): Rename from copysignsf3_const and
13292         copysigndf3_const.  Macroize pattern using CSGNMODE mode macro.
13293         Handle TFmode.
13294         (copysign<mode>3_var): Rename from copysignsf3_var and
13295         copysigndf3_var.  Macroize pattern using CSGNMODE mode macro.
13296         Handle TFmode.
13297         (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
13298         mode macro.  Handle TFmode.
13299         * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
13300         (iortf3, *iortf3): Ditto.
13301         (xortf3, *xortf3): Ditto.
13302         * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
13303         TFmode and TImode masks.
13304         (ix86_expand_copysign): Expand TFmode copysign insn.
13305         (IX86_BUILTIN_INFQ): New.
13306         (IX86_BUILTIN_FABSQ): Ditto.
13307         (IX86_BUILTIN_COPYSIGNQ): Ditto.
13308         (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
13309         [__builtin_fabsq]: Ditto.
13310         [__builtin_copysignq]: Ditto.
13311         (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
13312         [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
13313         [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
13314         ix86_expand_binop_builtin().
13315
13316 2007-06-07  Bob Wilson  <bob.wilson@acm.org>
13317
13318         * config/xtensa/lib1funcs.asm: Clean up whitespace.
13319
13320 2007-06-07  Steve Ellcey  <sje@cup.hp.com>
13321
13322         PR target/31850
13323         * rtl.h (push_to_sequence2): New.
13324         * emit-rtl.c (push_to_sequence2): New.
13325         * function.c (assign_parm_data_all): Add new fields.
13326         (assign_parm_setup_block): Call push_to_sequence2 instead of
13327         push_to_sequence.
13328         (assign_parm_setup_reg): Ditto.
13329         (assign_parm_setup_stack): Ditto.
13330         (assign_parms_unsplit_complex): Ditto.
13331         (assign_parms): Change field name.
13332
13333 2007-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
13334
13335         PR tree-optimization/32220
13336         * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
13337         phi node is reached before defining statement.
13338
13339 2007-06-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13340
13341         PR tree-opt/32231
13342         * tree-vect-transform.c (vectorizable_call): Call update_stmt
13343         after changing the right hand side of the assignment.
13344
13345 2007-06-06  Eric Christopher  <echristo@apple.com>
13346
13347         * config.gcc (i?86-*-darwin*): Remove arch parameter.
13348         (x86_64-*-darwin*): Ditto.
13349         * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
13350         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
13351
13352 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13353
13354         * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
13355         coding conventions.
13356         (add_key): Likewise.
13357         * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
13358         * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
13359         variable names.
13360         * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
13361         macros.
13362         (add_cost_one_coalesce): Likewise.
13363         * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
13364         variable names. Rename orig to orig_name for consistency.
13365         * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
13366         coding conventions.
13367         (cprop_into_successor_phis): Avoid using C++ keywords as variable
13368         names.
13369         (record_equivalences_from_stmt): Likewise.
13370         * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
13371         the coding conventions.
13372         (memory_ssa_name_same): Likewise.
13373         (dse_optimize_stmt): Likewise.
13374         (dse_record_phis): Likewise.
13375         (dse_finalize_block): Likewise.
13376         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
13377         keywords as variable names.
13378         (may_move_till): Cast according to the coding conventions.
13379         (force_move_till_expr): Avoid using C++ keywords as variable names.
13380         (force_move_till): Cast according to the coding conventions.
13381         (memref_hash): Likewise.
13382         (memref_eq): Likewise.
13383         (gather_mem_refs_stmt): Likewise.
13384         * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
13385         using C++ keywords as variable names.
13386         (idx_find_step): Cast according to the coding conventions.
13387         (idx_record_use): Likewise.
13388         (find_depends): Likewise.
13389         (prepare_decl_rtl): Likewise.
13390         (mbc_entry_hash): Likewise.
13391         (mbc_entry_eq): Likewise.
13392         * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
13393         (simplify_replace_tree): Avoid using C++ keywords as variable names.
13394         (idx_infer_loop_bounds): Cast according to the coding conventions.
13395         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
13396         * tree-ssa-math-opts.c (occ_new ): Likwise.
13397         * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
13398         macros.
13399         * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
13400         variable names.
13401         (add_use_op): Likewise.
13402         (add_vop): Likewise.
13403         (add_vuse_op): Likewise.
13404         (add_vdef_op): Likewise.
13405         (get_expr_operands): Likewise.
13406         (push_stmt_changes): Use type safe memory macros.
13407         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
13408         keywords as variable names.
13409         (conditional_replacement): Likewise.
13410         (minmax_replacement): Likewise.
13411         (abs_replacement): Likewise.
13412         * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
13413         coding conventions.
13414         (insert_fake_stores): Avoid using C++ keywords as variable names.
13415         * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
13416         conventions.
13417         * tree-ssa-structalias.c (heapvar_lookup): Likewise.
13418         (heapvar_insert): Use type safe memory macros.
13419         (new_var_info): Cast according to the coding conventions.
13420         (new_constraint): Likewise.
13421         (remove_preds_and_fake_succs): Use type safe memory macros.
13422         * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
13423         conventions.
13424         (thread_single_edge): Likewise.
13425         (thread_through_loop_header): Likewise.
13426
13427 2007-06-06  Eric Christopher  <echristo@apple.com>
13428
13429         * config/i386/i386.c (override_options): Move handling
13430         of TARGET_SUBTARGET* earlier.
13431
13432 2007-06-06  Paolo Bonzini  <bonzini@gnu.org>
13433
13434         * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
13435         use %n on printf.
13436
13437 2007-06-06  Zdenek Dvorak  <dvorakz@suse.cz>
13438
13439         * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
13440         emited outside of basic block.
13441         * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
13442         the created blocks.
13443         * rtl.h (delete_insn_chain): Declaration changed.
13444         * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
13445         non-removed insns.
13446         (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
13447         (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
13448         rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
13449         to delete_insn_chain.
13450         (rtl_verify_flow_info_1): Verify that the insns in header and footer
13451         do not have bb field set.
13452         (rtl_verify_flow_info): Verify that insns between basic blocks do not
13453         have bb field set.
13454         * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
13455         * cfgcleanup.c (try_optimize_cfg): Ditto.
13456
13457 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13458
13459         * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
13460         (lambda_body_vector_new): Use type safe memory macros.
13461         (lambda_linear_expression_new): Likewise.
13462         (lambda_loopnest_new): Likewise.
13463         (lambda_lattice_new): Likewise.
13464         (replace_uses_equiv_to_x_with_y): Cast according to the coding
13465         conventions. Use type safe memory macros.
13466         * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
13467         (lambda_body_vector_s): Likewise.
13468         * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
13469         * lambda-trans.c (lambda_trans_matrix_new): Likewise.
13470
13471 2007-06-06  Richard Guenther  <rguenther@suse.de>
13472
13473         * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
13474         if we need to schedule cfg_cleanup.
13475         (tree_ssa_forward_propagate_single_use_vars): Do so.
13476
13477 2007-06-06  Ian Lance Taylor  <iant@google.com>
13478
13479         * fold-const.c (merge_ranges): If range_successor or
13480         range_predecessor fail, just return 0.
13481
13482 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13483
13484         PR tree-optimization/32216
13485         * tree-vectorizer.c (supportable_widening_operation): Determine
13486         signedness of FIX_TRUNC_EXPR from output operand.
13487         (supportable_narrowing_operation): Ditto.
13488         * tree-vect-generic.c (expand_vector_operations_1): Determine
13489         signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
13490         from input operand.
13491
13492 2007-06-06  Thomas Neumann  <tneumann@users.sourceforge.net>
13493
13494         * config/i386/i386.c (enum pta_flags): Move out of struct scope...
13495         (struct pta): ...from here. Change flags to unsigned to avoid
13496         excessive casting (as it is used as a bit mask).
13497         (override_options): Add casts according to the coding convenventions.
13498         (x86_64_elf_unique_section): Likewise.
13499         (examine_argument): Avoid using C++ keywords as variable names.
13500         (construct_container): Likewise.
13501         (legitimize_pic_address): Likewise.
13502         (get_dllimport_decl): Cast according to the coding conventions. Use
13503         type safe memory macros.
13504         (legitimize_address): Cast according to the coding conventions.
13505         (emit_i387_cw_initialization): Corrected the type of slot to enum
13506         ix86_stack_slot.
13507         (ix86_init_machine_status): Use type safe memory macros.
13508         (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
13509         (bdesc_pcmpistr): Likewise.
13510         (bdesc_crc32): Likewise.
13511         (bdesc_sse_3arg): Likewise.
13512         (bdesc_2arg): Likewise.
13513         (bdesc_1arg): Likewise.
13514         (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
13515         (ix86_expand_sse_pcmpistr): Likewise.
13516         (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
13517         (ix86_builtin_vectorized_function): Change the type of fn to unsigned
13518         int to match the langhook definition.
13519         (ix86_builtin_conversion): Change the type of code to unsigned init to
13520         match the langhook definition.
13521         (ix86_preferred_reload_class): Avoid using C++ keywords as variable
13522         names.
13523         (ix86_preferred_output_reload_class): Likewise.
13524         (ix86_cannot_change_mode_class): Likewise.
13525         (ix86_memory_move_cost): Likewise.
13526         (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
13527         avoid excessive casting later on.
13528         (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
13529
13530 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13531
13532         * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
13533         as flags setting insn.
13534         (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
13535
13536 2007-06-06  Uros Bizjak  <ubizjak@gmail.com>
13537
13538         * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
13539         (UNSPEC_ROUND): New.
13540         ("sse4_1_round<mode>2"): New insn pattern.
13541         ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
13542         SSE4.1 targets.
13543         ("floor<mode>2"): Rename from floordf2 and floorsf2.  Macroize
13544         expander using SSEMODEF mode macro.  Expand using
13545         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13546         ("ceil<mode>2"): Rename from ceildf2 and ceilsf2.  Macroize
13547         expander using SSEMODEF mode macro.  Expand using
13548         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13549         ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2.  Macroize
13550         expander using SSEMODEF mode macro.  Expand using
13551         "sse4_1_round<mode>2" pattern for SSE4.1 targets.
13552         * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
13553         UNSPEC_ROUND instead of UNSPEC_ROUNDP.
13554         ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
13555         UNSPEC_ROUNDS.
13556
13557 2007-06-06  Jan Sjodin  <jan.sjodin@amd.com>
13558             Sebastian Pop  <sebpop@gmail.com>
13559
13560         * lambda.h (build_linear_expr): New.
13561         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
13562         Use build_linear_expr, call fold and force_gimple_operand.
13563         (lambda_loopnest_to_gcc_loopnest): Check that there is
13564         something to insert.
13565         * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
13566
13567 2007-06-05  Joerg Wunsch  <j.gnu@uriah.heep.sax.de>
13568
13569         PR preprocessor/23479
13570         * doc/extend.texi: Document the 0b-prefixed binary integer
13571         constant extension.
13572
13573 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13574
13575         PR tree-optimization/32215
13576         * tree-vectorizer.c (supportable_widening_operation): Return false
13577         for unsupported FIX_TRUNC_EXPR tree code.
13578         (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
13579
13580 2007-06-06  Nathan Froyd  <froydnj@codesourcery.com>
13581
13582         * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
13583         register on SPE targets.  Change documentation to reflect
13584         reality.
13585         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
13586         Change FIXED_SCRATCH to 14 and document why we're keeping r14
13587         out of the register allocation pool.
13588         (rs6000_reg_live_or_pic_offset_p): New function.
13589         (rs6000_emit_prologue): Move the actual saving of LR up to free
13590         r0 for holding r11.  Split saving of SPE 64-bit registers into
13591         its own case.  Ensure that offsets will always be in-range for
13592         'evstdd' by using r11 as a scratch register to point at the start
13593         of the SPE save area.  Save r11 if necessary, as it is the static
13594         chain register.
13595         (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
13596         into its own case.  Ensure that offsets will always be in-range
13597         for 'evldd' by using r11 as a scratch register to point at the
13598         start of the SPE save area.  Also adjust r11 when restoring
13599         the stack pointer to compensate for pre-loading r11.
13600
13601 2007-06-05  Thomas Neumann  <tneumann@users.sourceforge.net>
13602
13603         * cfg.c (init_flow): Use type safe memory macros.
13604         (alloc_block): Likewise.
13605         (unchecked_make_edge): Likewise.
13606         (dump_flow_info): Avoid using C++ keywords as variable names.
13607         (copy_original_table_clear): Cast according to the coding conventions.
13608         (copy_original_table_set): Likewise.
13609         * cfgexpand (label_rtx_for_bb): Likewise.
13610         (expand_gimple_basic_block): Likewise.
13611         * cfghooks.c (dump_bb): Likewise.
13612         (lv_adjust_loop_header_phi): Avoid using C++ keywords as
13613         variable names.
13614         (lv_add_condition_to_bb): Likewise.
13615         * cfglayout (relink_block_chain): Cast according to the coding
13616         conventions.
13617         (fixup_reorder_chain): Likewise.
13618         (fixup_fallthru_exit_predecessor): Likewise.
13619         * cfgloop.c (glb_enum_p): Likewise.
13620         (get_exit_description): Likewise.
13621         (dump_recorded_exit): Likewise.
13622         * cfgloop.h (enum loop_estimation): Move out of struct scope...
13623         (struct loop): ... from here.
13624         * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
13625         conventions.
13626         * cfgrtl.c (rtl_create_basic_block): Likewise.
13627         (rtl_split_block): Likewise.
13628         (rtl_dump_bb): Likewise.
13629         (cfg_layout_split_block): Likewise.
13630         (init_rtl_bb_info): Use typesafe memory macros.
13631
13632         * graphds.h (struct graph_edge): Renamed edge to graph_edge.
13633         * graphds.h: Updated all usages of edge to graph_edge.
13634         * graphds.c: Likewise.
13635         * cfgloopanal.c: Likewise.
13636
13637 2007-06-05  Ian Lance Taylor  <iant@google.com>
13638
13639         * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
13640         PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
13641         (extract_range_from_assert): Set TREE_NO_WARNING when creating an
13642         expression.
13643         (test_for_singularity): Likewise.
13644
13645 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13646
13647         * config/i386/constraints.md ("Y2"): Replaced by ...
13648         ("Yt"): This.
13649         * config/i386/i386.md: Likewise.
13650         * config/i386/mmx.md: Likewise.
13651         * config/i386/sse.md: Likewise.
13652
13653 2007-06-05  H.J. Lu  <hongjiu.lu@intel.com>
13654
13655         * config/i386/constraints.md ("z"): Replaced by ...
13656         ("Y0"): This.
13657         * config/i386/sse.md (sse4_1_blendvpd): Likewise.
13658         (sse4_1_blendvps): Likewise.
13659         (sse4_1_pblendvb): Likewise.
13660         (sse4_2_pcmpestr): Likewise.
13661         (sse4_2_pcmpestrm): Likewise.
13662         (sse4_2_pcmpestr_cconly): Likewise.
13663         (sse4_2_pcmpistr): Likewise.
13664         (sse4_2_pcmpistrm): Likewise.
13665         (sse4_2_pcmpistr_cconly): Likewise.
13666
13667 2007-06-05  Razya Ladelsky  <razya@il.ibm.com>
13668
13669         * matrix-reorg.c (transform_access_sites): Fix computation.
13670         (transform_allocation_sites): Same.
13671
13672 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13673
13674         * config/i386/i386.c (override_options): Use
13675         TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
13676
13677 2007-06-05  Uros Bizjak  <ubizjak@gmail.com>
13678
13679         * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
13680         (nonimm_not_xmm0_operand): Ditto.
13681         * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
13682         as operand[0] and operand[1] predicate.  Use "nonimm_not_xmm0_operand"
13683         as operand[2] predicate.  Require "z" class XMM register for
13684         operand[3].  Adjust asm template.
13685         ("sse4_1_blendvpd"): Ditto.
13686         ("sse4_1_pblendvb"): Ditto.
13687         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
13688         force op2 into xmm0 register for variable blend instructions.
13689
13690 2007-06-04  Tom Tromey  <tromey@redhat.com>
13691
13692         * c-tree.h (start_enum): Update.
13693         (build_enumerator): Likewise.
13694         * c-decl.c (enum_next_value): Removed.
13695         (enum_overflow): Likewise.
13696         (start_enum): Add c_enum_contents argument.  Don't use globals.
13697         (build_enumerator): Likewise.
13698         * c-tree.h (struct c_enum_contents): New struct.
13699
13700 2007-06-04  Tom Tromey  <tromey@redhat.com>
13701
13702         * c-common.c (c_common_get_alias_set): Fix indentation.
13703
13704 2007-06-04  Ian Lance Taylor  <iant@google.com>
13705
13706         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
13707         to overflow, reduce overflow infinity to regular infinity.
13708         (vrp_var_may_overflow): New static function.
13709         (vrp_visit_phi_node): Check vrp_var_may_overflow.
13710
13711 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13712
13713         * stor-layout.c (layout_type): Remove duplicate code.
13714
13715 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
13716
13717         PR c/32191
13718         * c-common.c (c_define_builtins): Call targetm.init_builtins ()
13719         before build_common_builtin_nodes ().
13720
13721 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
13722
13723         PR target/31733
13724         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
13725
13726 2007-06-04  Jan Hubicka  <jh@suse.cz>
13727
13728         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
13729         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
13730         instead of _stat version.
13731
13732 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13733
13734         PR tree-optimization/32194
13735         * tree-predcom.c (determine_offset): Check that both references have
13736         the same type.
13737
13738 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
13739
13740         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
13741         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
13742         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
13743         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
13744         Add argument to iterate_fix_dominators call.
13745         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
13746         * gcse.c (hoist_code): Change domby to vector.
13747         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
13748         Add argument to iterate_fix_dominators call.
13749         * loop-doloop.c (doloop_modify): Changed recount_dominator to
13750         recompute_dominator.
13751         * lambda-code.c (perfect_nestify): Ditto.
13752         * cfgloopanal.c: Include graphds.h.
13753         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
13754         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
13755         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
13756         add_edge call.
13757         * graphds.c: New file.
13758         * graphds.h: New file.
13759         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
13760         (get_dominated_by, get_dominated_by_region): Change return type to
13761         vector.
13762         (verify_dominators): Recompute all dominators and compare the results.
13763         (recount_dominator): Renamed to ...
13764         (recompute_dominator): ... this.  Do not check that the block is
13765         dominated by entry.
13766         (iterate_fix_dominators): Reimplemented.
13767         (prune_bbs_to_update_dominators, root_of_dom_tree,
13768         determine_dominators_for_sons): New functions.
13769         * et-forest.c (et_root): New function.
13770         * et-forest.h (et_root): Declare.
13771         * Makefile.in (graphds.o): Add.
13772         (cfgloopanal.o): Add graphds.h dependency.
13773         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
13774         * basic-block.h (get_dominated_by, get_dominated_by_region,
13775         iterate_fix_dominators): Declaration changed.
13776         (recount_dominator): Renamed to ...
13777         (recompute_dominator): ... this.
13778         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
13779         (thread_through_all_blocks): Do not free dominance info.
13780
13781 2007-06-03  Andreas Schwab  <schwab@suse.de>
13782
13783         * config/m68k/m68k.c (override_options): Don't override
13784         REAL_MODE_FORMAT.
13785         * config/m68k/m68k-modes.def (SF, DF): Define to use
13786         motorola_single_format and motorola_double_format, resp.
13787         * real.c (motorola_single_format): Renamed from
13788         coldfire_single_format.
13789         (motorola_double_format): Renamed from coldfire_double_format.
13790         (encode_ieee_extended): Generate a proper canonical NaN image
13791         respecting canonical_nan_lsbs_set.
13792         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
13793         true.
13794         * real.h: Adjust declarations.
13795
13796 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
13797
13798         PR target/32163
13799         * config/sh/sh.md (symGOT_load): Don't schedule insns when
13800         the symbol is generated with the stack protector.
13801
13802 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
13803
13804         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
13805         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
13806         "interrupt".
13807         * doc/extend.texi (interrupt): Mention m68k.
13808
13809 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
13810
13811         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
13812         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
13813         (ix86_expand_sse_pcmpestr): Do not check operands for
13814         "register_operand", when insn operand predicate is "register_operand".
13815         (ix86_expand_sse_pcmpistr): Ditto.
13816
13817 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
13818             Uros Bizjak  <ubizjak@gmail.com>
13819
13820         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
13821         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
13822         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
13823         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
13824         * config/i386/constraints.md ("z"): New register constraint
13825         for members of SSE_FIRST_REG class.
13826         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
13827         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
13828         SSE_FIRST_REG class.
13829         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
13830         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
13831         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
13832         (IX86_BUILTIN_PCMPESTRM128): Likewise.
13833         (IX86_BUILTIN_PCMPESTRA128): Likewise.
13834         (IX86_BUILTIN_PCMPESTRC128): Likewise.
13835         (IX86_BUILTIN_PCMPESTRO128): Likewise.
13836         (IX86_BUILTIN_PCMPESTRS128): Likewise.
13837         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
13838         (IX86_BUILTIN_PCMPISTRI128): Likewise.
13839         (IX86_BUILTIN_PCMPISTRM128): Likewise.
13840         (IX86_BUILTIN_PCMPISTRA128): Likewise.
13841         (IX86_BUILTIN_PCMPISTRC128): Likewise.
13842         (IX86_BUILTIN_PCMPISTRO128): Likewise.
13843         (IX86_BUILTIN_PCMPISTRS128): Likewise.
13844         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
13845         (struct builtin_description): Change "flag" field to unsigned.
13846         (bdesc_pcmpestr): New builtin description table.
13847         (bdesc_pcmpistr): Likewise.
13848         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
13849         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
13850         Initialize pcmp[ei]str[im] insns for SSE4.2.
13851         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
13852         (ix86_expand_sse_pcmpistr): Likewise.
13853         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
13854         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
13855         (UNSPEC_PCMPISTR): Likewise.
13856         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
13857         (sse4_2_pcmpestri):New isns pattern.
13858         (sse4_2_pcmpestrm): Likewise.
13859         (sse4_2_pcmpestr_cconly): Likewise.
13860         (sse4_2_pcmpistr): New insn patern and splitter.
13861         (sse4_2_pcmpistri):New isns pattern.
13862         (sse4_2_pcmpistrm): Likewise.
13863         (sse4_2_pcmpistr_cconly): Likewise.
13864         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
13865         in SSE4.2.
13866
13867 2007-06-01  David Daney  <ddaney@avtrex.com>
13868
13869         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
13870         LOADGP_ABSOLUTE and not binds_local_p.
13871
13872 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
13873
13874         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
13875
13876 2007-06-01  Ian Lance Taylor  <iant@google.com>
13877
13878         * tree-vrp.c (compare_name_with_value): Always set
13879         used_strict_overflow if we get a result from the variable itself.
13880
13881 2007-06-01  Ian Lance Taylor  <iant@google.com>
13882
13883         PR rtl-optimization/31455
13884         * lower-subreg.c (find_decomposable_subregs): Don't decompose
13885         subregs which have a cast between modes which are not tieable.
13886
13887 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
13888
13889         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
13890         breaks after return statements.
13891
13892 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
13893
13894         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
13895         only after no_new_pseudos.
13896
13897 2007-05-31  Eric Christopher  <echristo@apple.com>
13898
13899         * expr.c (convert_move): Assert that we don't have a BLKmode
13900         operand.
13901         (store_expr): Handle BLKmode moves by calling emit_block_move.
13902
13903 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
13904
13905         * c-typeck.c (build_indirect_ref): Include type in error message.
13906         (build_binary_op): Pass types to binary_op_error.
13907         * c-common.c (binary_op_error): Take two type arguments, print out
13908         types with error.
13909         * c-common.h (binary_op_error): Update prototype.
13910
13911 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13912
13913         * config/i386/i386.c: Correct coments on -mno-sse4.
13914
13915 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
13916
13917         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
13918         (x86_64-*-*): Likewise.
13919         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
13920         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
13921         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
13922         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
13923         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
13924         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13925         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
13926         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
13927         (OPTION_MASK_ISA_SSE4): Likewise.
13928         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
13929         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
13930         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
13931         (override_options): Support SSE4.2.
13932         (ix86_build_const_vector): Support SImode and DImode.
13933         (ix86_build_signbit_mask): Likewise.
13934         (ix86_expand_int_vcond): Support V2DImode.
13935         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
13936         (IX86_BUILTIN_CRC32HI): Likewise.
13937         (IX86_BUILTIN_CRC32SI): Likewise.
13938         (IX86_BUILTIN_CRC32DI): Likewise.
13939         (IX86_BUILTIN_PCMPGTQ): Likewise.
13940         (bdesc_crc32): Likewise.
13941         (bdesc_sse_3arg): Likewise.
13942         (ix86_expand_crc32): Likewise.
13943         (ix86_init_mmx_sse_builtins): Support SSE4.2.
13944         (ix86_expand_builtin): Likewise.
13945         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
13946         __SSE4_2__ for -msse4.2.
13947         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
13948         (CRC32MODE): Likewise.
13949         (crc32modesuffix): Likewise.
13950         (crc32modeconstraint): Likewise.
13951         (sse4_2_crc32<mode>): Likewise.
13952         (sse4_2_crc32di): Likewise.
13953         * config/i386/i386.opt (msse4.2): New for SSE4.2.
13954         (msse4): Likewise.
13955         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
13956         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
13957         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
13958         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
13959         (vcondu<mode>): Likewise.
13960         * doc/extend.texi: Document SSE4.2 built-in functions.
13961         * doc/invoke.texi: Document -msse4.2/-msse4.
13962
13963 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
13964
13965         PR tree-optimization/32160
13966         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
13967         variable as gimple reg.
13968         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
13969
13970 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
13971
13972         * gcc.c (main): Don't consider linker options when issuing the
13973         warning about a linker input file not being used.
13974
13975 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13976
13977         * tree-vrp.c (compare_names): Initialize sop.
13978
13979 2007-05-30  Dirk Mueller  <dmueller@suse.de>
13980
13981         * cgraphunit.c (cgraph_analyze_function): Remove
13982         computation of inline parameters.
13983
13984 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
13985
13986         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
13987
13988 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
13989
13990         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
13991         Add vx-common.h.  Include vxworks.h between vx-common.h and
13992         arm/vxworks.h.
13993         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
13994         redefining.
13995         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
13996         (TARGET_ASM_DESTRUCTOR): Likewise.
13997         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
13998         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
13999         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
14000         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
14001         (VXWORKS_ENDIAN_SPEC): Define.
14002         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
14003         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
14004         VXWORKS_* equivalents.
14005         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
14006         (ASM_FILE_START): Delete.
14007         (TARGET_VERSION): Reformat.
14008         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
14009         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
14010         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
14011         (FPBIT, DPBIT): Define.
14012         (fp-bit.c, dp-bit.c): New rules.
14013         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
14014         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
14015         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
14016         * config/arm/arm.h: Include vxworks-dummy.h.
14017         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
14018         Mark with ATTRIBUTE_UNUSED.
14019         (arm_override_options): Do not allow VxWorks RTP PIC to be used
14020         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
14021         make it incompatible with -msingle-pic-base.
14022         (arm_function_ok_for_sibcall): Return false for calls that might
14023         go through a VxWorks PIC PLT entry.
14024         (require_pic_register): New function, split out from...
14025         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
14026         for VxWorks RTPs.
14027         (arm_load_pic_register): Handle the VxWorks RTP initialization
14028         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
14029         (arm_emit_call_insn): New function.
14030         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
14031         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
14032         (pic_offset_arm): New pattern.
14033         (call, call_value): Use arm_emit_call_insn.
14034         (call_internal, call_value_internal): New expanders.
14035         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
14036         VxWorks unless __PIC__.
14037
14038 2007-05-30  Eric Christopher  <echristo@gmail.com>
14039
14040         * genrecog.c: Include regs.h in generated file.
14041         * genemit.c: Ditto. Fix up formatting.
14042         * config/mn10300/constraints.md: New.
14043         * config/mn10300/mn10300.md: Include.
14044         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
14045         Fix up for removed macro.
14046         * config/mn10300/predicates.md (call_address_operand): Ditto.
14047         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
14048         (CONST_OK_FOR_I): Ditto.
14049         (CONST_OK_FOR_J): Ditto.
14050         (CONST_OK_FOR_K): Ditto.
14051         (CONST_OK_FOR_L): Ditto.
14052         (CONST_OK_FOR_M): Ditto.
14053         (CONST_OK_FOR_N): Ditto.
14054         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
14055         (OK_FOR_Q): Ditto.
14056         (OK_FOR_R): Ditto.
14057         (OK_FOR_T): Ditto.
14058         (EXTRA_CONSTRAINT): Ditto.
14059
14060 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14061
14062         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
14063         Remove defines.
14064         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
14065         OPTION_MASK_ISA_64BIT.
14066         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
14067
14068 2007-05-30  Richard Guenther  <rguenther@suse.de>
14069
14070         PR middle-end/32152
14071         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
14072         types for comparison.
14073         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
14074         with original typed arguments.
14075         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
14076
14077 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
14078
14079         PR tree-optimization/31769
14080         * except.c (duplicate_eh_regions): Clear prev_try if
14081         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
14082
14083 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
14084
14085         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
14086         * tree-ssa-sink.c (statement_sink_location): Return basic block and
14087         bsi of the location where statements should be inserted.
14088         (sink_code_in_bb): Take bsi from statement_sink_location.
14089         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
14090         instead of bsi_start.
14091         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
14092         bsi_insert_after.
14093         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
14094         (bsi_move_before): Document inconsistency with bsi_move_after.
14095         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
14096
14097 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
14098
14099         * config/i386/i386.h (TARGET_ABM): New define.
14100         (TARGET_POPCNT): Ditto.
14101         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
14102         New temporary defines to redefine from OPTION_ISA_* defines.
14103         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
14104         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
14105         (ix86_isa_flags): New extern int declaration.
14106         (TARGET_SUBTARGET_DEFAULT): New define.
14107         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
14108         (TARGET_SUBTARGET32_DEFAULT): Ditto.
14109         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
14110         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
14111         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
14112         * config/i386/darwin.h: Change TARGET_64BIT define to
14113         OPTION_ISA_64BIT.
14114
14115         * config/i386/i386.opt (m3dnowa): Define as undocumented option
14116         using existing "ix86_isa_flags" varible.
14117         (m32, m64): Use existing "ix86_isa_flags" variable.
14118         (mmmx, m3dnow): Ditto.
14119         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
14120         (mabm): Define as non-negative option using "x86_abm" variable.
14121         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
14122
14123         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
14124         Rewrite feature test bitmap.
14125         (ix86_isa_flags): New initialized global int varible.
14126         (ix86_isa_flags_explicit): New static int variable.
14127         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
14128         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
14129         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
14130         target_flags_explicit.
14131         (override_options): Remove "target_enable" and "target_disable" fields
14132         from "struct ptt". Update processor_target_table accordingly. Remove
14133         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
14134         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
14135         "target_flags" and "ix86_isa_flags_explicit" instead of
14136         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
14137         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
14138         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
14139         to true when either of PTA_POPCNT or PTA_ABM is set in
14140         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
14141         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
14142         processor_alias_table flags entry.  Remove handling of
14143         "target_enable" and "target_disable" fields of processor_target_table.
14144         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
14145         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
14146         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
14147         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
14148         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
14149         "target_flags".
14150         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
14151
14152 2007-05-29  David Daney  <ddaney@avtrex.com>
14153
14154         PR gcc/31975
14155         * config/mips/mips.c (mips_output_mi_thunk): Emit
14156         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
14157
14158 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
14159         * config/i386/i386.c (ix86_function_regparm): Added checking of
14160         ix86_force_align_arg_pointer to determine the number of
14161         register parameters.
14162
14163 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
14164
14165         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
14166         (SET_DR_MISALIGNMENT): New.
14167         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
14168         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
14169         Use SET_DR_MISALIGNMENT.
14170         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
14171         pointer.
14172         * tree-data-ref.c (create_data_ref, compute_all_dependences,
14173         find_loop_nest): Export.
14174         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
14175         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
14176         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
14177         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
14178         New macros.
14179         (struct mem_ref): Add field reuse_distance.
14180         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
14181         Initialize reuse_distance field.
14182         (issue_prefetch_ref): Select temporality of prefetch according to
14183         reuse_distance.
14184         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
14185         self_reuse_distance, determine_loop_nest_reuse): New functions.
14186         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
14187         (tree_ssa_prefetch_arrays): Dump L2 cache size.
14188         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
14189         dependency.
14190
14191 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
14192
14193         * tree-ssa-alias.c: Add aliasing overview.
14194
14195 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
14196             Danny Smith  <dannysmith@users.sourceforge.net>
14197
14198         PR target/29498
14199         * config/i386/t-crtfm: Compile crtfastmath.o with
14200         -minline-all-stringops.
14201         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
14202         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
14203
14204 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14205
14206         * doc/md.texi: Document constraints on HP PA-RISC.
14207
14208         * pa/constraints.md: New file.
14209         * pa.md: Include constraints.md.
14210         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
14211         (integer_store_memory_operand, ldil_cint_p): New functions.
14212         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
14213         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
14214         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
14215         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
14216         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
14217
14218 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
14219
14220         PR c/31339
14221         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
14222         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
14223         case POSTDECREMENT_EXPR>): Return the error_mark_node
14224         if either the real or imaginary parts would an
14225         error_mark_node.
14226
14227 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
14228
14229         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
14230         name when we remove it from a call.
14231
14232 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
14233
14234         * targhooks.c (default_narrow_bitfield): Remove.
14235         * targhooks.h: Remove the prototype for
14236         default_narrow_bitfield.
14237
14238         * langhooks-def.h: Remove the prototype for
14239         hook_get_alias_set_0.
14240         * langhooks.c (hook_get_alias_set_0): Remove.
14241
14242         * global.c (EXECUTE_IF_CONFLICT): Remove.
14243
14244 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14245
14246         PR tree-opt/32100
14247         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
14248         return true when truth_value_p is true and the type
14249         is of signed:1.
14250
14251 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
14252
14253         * doc/install.texi (Prerequisites): We no longer require Autoconf
14254         2.13 for the top-level.
14255
14256 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
14257
14258         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
14259         memory access via x86_expand_vector_move_misalign() only for
14260         TImode values on 32-bit targets.
14261
14262 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
14263
14264         * matrix-reorg.c: New file. Implement matrix flattening and
14265         transposing optimization.
14266         * tree-pass.h: Add matrix reorg pass.
14267         * common.opt: Add fipa-mreorg flag.
14268         * Makefile.in: Add matrix-reorg.c.
14269         * passes.c: Add matrix reorg pass.
14270         * varpool.c (add_new_static_var): New function.
14271         * cgraph.h (add_new_static_var): Declare.
14272
14273 2007-05-27  Eric Christopher  <echristo@apple.com>
14274
14275         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
14276         sp_offset depending on stack size. Save r12 depending
14277         on registers we're saving later.
14278         (rs6000_emit_epilogue): Update sp_offset depending only
14279         on stack size.
14280
14281 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
14282
14283         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
14284         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
14285         * ifcvt.c (if_convert): Ditto.
14286         * tree-ssa-threadupdate.c (thread_block): Ditto.
14287         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
14288         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
14289         verify_loop_closed_ssa): Check number_of_loops instead of
14290         current_loops.
14291         * predict.c (tree_estimate_probability): Ditto.
14292         * tree-if-conv.c (main_tree_if_conversion): Ditto.
14293         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14294         * modulo-sched.c (sms_schedule): Ditto.
14295         * tree-scalar-evolution.c (scev_const_prop): Ditto.
14296         (scev_finalize): Do not do anything if scev analysis was not
14297         initialized.
14298         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
14299         current_loops == NULL.
14300         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
14301         * loop-init.c (loop_optimizer_init): Do not free current_loops when
14302         there are no loops.
14303         (loop_optimizer_finalize): Assert that loops were analyzed.
14304         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
14305         rtl_doloop): Check number_of_loops instead of current_loops.
14306         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
14307         current_loops == NULL.
14308         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
14309         gate_tree_vectorize tree_linear_transform, check_data_deps,
14310         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
14311         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
14312         Check number_of_loops instead of current_loops.
14313         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
14314         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
14315         free loops if available.
14316         (execute_pre): Do not pass do_fre to fini_pre.
14317
14318 2007-05-27  Tobias Burnus  <burnus@net-b.de>
14319
14320         PR middle-end/32083
14321         * real.c (mpfr_from_real): Fix sign of -Inf.
14322
14323 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
14324
14325         * tree-vect-transform.c (vectorizable_conversion): Initialize
14326         tree_code variables to ERROR_MARK.
14327         (vectorizable_type_demotion): Likewise.
14328         (vectorizable_type_promotion): Likewise.
14329
14330 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14331
14332         PR target/32065
14333         * config/i386/i386.md (movti): Handle push operands via
14334         ix86_expand_push().
14335
14336 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14337
14338         * basic-block.h: Remove the prototype for merge_seq_blocks.
14339         * cfgcleanup.c (merge_seq_blocks): Remove.
14340
14341         * tree-flow.h: Remove the prototype for is_aliased_with.
14342         * tree-ssa-alias.c (is_aliased_with): Remove.
14343
14344 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
14345
14346         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
14347
14348         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
14349
14350         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
14351         ix86_expand_sse4_unpack if SSE4.1 is enabled.
14352         (vec_unpacks_hi_v16qi): Likewise.
14353         (vec_unpacku_lo_v16qi): Likewise.
14354         (vec_unpacks_lo_v16qi): Likewise.
14355         (vec_unpacku_hi_v8hi): Likewise.
14356         (vec_unpacks_hi_v8hi): Likewise.
14357         (vec_unpacku_lo_v8hi): Likewise.
14358         (vec_unpacks_lo_v8hi): Likewise.
14359         (vec_unpacku_hi_v4si): Likewise.
14360         (vec_unpacks_hi_v4si): Likewise.
14361         (vec_unpacku_lo_v4si): Likewise.
14362         (vec_unpacks_lo_v4si): Likewise.
14363
14364 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
14365
14366         * c-typeck.c, config/arm/arm.c, config/darwin.c,
14367         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
14368         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
14369         follow spelling conventions in various
14370         warning/error/diagnostic messages.
14371
14372         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
14373         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
14374         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
14375         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
14376         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
14377         * doc/tm.texi: Follow spelling conventions.
14378
14379 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14380
14381         PR tree-opt/32090
14382         * tree-ssa-forwprop.c
14383         (forward_propagate_addr_into_variable_array_index): Remove
14384         the lhs argument.  Use the type of def_rhs instead of lhs.
14385         (forward_propagate_addr_expr_1): Update use of
14386         forward_propagate_addr_into_variable_array_index.
14387
14388 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
14389             Nigel Stephens  <nigel@mips.com>
14390
14391         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
14392         function attributes, "far" being an alias for "long_call".
14393         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
14394         (mips_near_type_p, mips_far_type_p): New.
14395         (mips_comp_type_attributes): New function to check that attributes
14396         attached to a function type are compatible.
14397         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
14398         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
14399         to the target function of the thunk.
14400         (mips_encode_section_info): Check for "near" and "far" function
14401         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
14402
14403         * config/mips/predicates.md (const_call_insn_operand): Test only
14404         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
14405
14406         * doc/extend.texi (Function Attributes): Document MIPS "near" and
14407         "far" attributes.
14408
14409         * testsuite/gcc.target/mips/near-far-1.c: New test case.
14410         * testsuite/gcc.target/mips/near-far-2.c: New test case.
14411         * testsuite/gcc.target/mips/near-far-3.c: New test case.
14412         * testsuite/gcc.target/mips/near-far-4.c: New test case.
14413
14414 2007-05-25  Eric Christopher  <echristo@apple.com>
14415
14416         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
14417         to x86-darwin configurations.
14418         * config/i386/t-darwin: Add softfp support.
14419         * config/i386/t-darwin64: Ditto.
14420         * config/i386/sfp-machine.h: If mach then don't use
14421         aliasing, emit a stub to call.
14422
14423 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
14424
14425         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
14426         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
14427         tree-predcom.c, tree-ssa-alias-warnings.c,
14428         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
14429         comment typos.  Follow spelling conventions.
14430         * doc/cpp.texi, doc/invoke.texi: Fix typos.
14431
14432 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
14433
14434         PR target/32065
14435         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
14436         constants into memory.  Expand unaligned memory references for
14437         SSE modes via x86_expand_vector_move_misalign() function.
14438
14439 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
14440
14441         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
14442         "memory" attribute for "sseishft" type insn without operands[2].
14443
14444 2007-05-25  Dirk Mueller  <dmueller@suse.de>
14445             Marcus Meissner <meissner@suse.de>
14446
14447         * doc/extend.texi (alloc_size): New attribute.
14448         * c-common.c (handle_alloc_size_attribute): New.
14449         * tree-object-size.c (alloc_object_size): Use alloc_size
14450         attribute, if available.
14451
14452 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14453
14454         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
14455         with MASK_SSE2.
14456         (__builtin_ia32_vec_ext_v2di): Likewise.
14457         (__builtin_ia32_vec_ext_v4si): Likewise.
14458         (__builtin_ia32_vec_ext_v8hi): Likewise.
14459         (__builtin_ia32_vec_ext_v16qi): Likewise.
14460         (__builtin_ia32_vec_set_v8hi): Likewise.
14461
14462 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
14463
14464         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
14465
14466 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
14467
14468         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
14469         (arm_is_longcall_p): Rename to...
14470         (arm_is_long_call_p): ...this.  Take a single tree argument and
14471         return a bool.
14472         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
14473         (CUMULATIVE_ARGS): Remove call_cookie.
14474         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
14475         (ENCODED_LONG_CALL_ATTR_P): Delete.
14476         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
14477         LONG_CALL_FLAG_CHAR cases.
14478         (ARM_DECLARE_FUNCTION_SIZE): Delete.
14479         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
14480         ARM_DECLARE_FUNCTION_SIZE.
14481         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
14482         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
14483         (arm_encode_call_attribute, current_file_function_operand): Delete.
14484         (arm_function_in_section_p): New function.
14485         (arm_is_longcall_p): Rename to...
14486         (arm_is_long_call_p): ...this.  Take the target function as a single
14487         argument and return a bool.  Do not rely on call cookies.  Check
14488         whether the target symbol is in the same section as the current
14489         function, not just the same compilation unit.
14490         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
14491         (arm_encode_section_info): Don't encode a call type.
14492         * config/arm/arm.md (call, call_value): Update calls to
14493         arm_is_long(_)call_p.  Simplify logic.
14494         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
14495         Update calls to arm_is_long(_)call_p.
14496
14497 2007-05-25  Richard Guenther  <rguenther@suse.de>
14498
14499         PR tree-optimization/31982
14500         * tree-ssa-forwprop.c
14501         (forward_propagate_addr_into_variable_array_index): Handle arrays
14502         with element size one.
14503
14504 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14505
14506         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
14507         (umulsi3_highpart): Likewise.
14508
14509 2007-05-24  Ian Lance Taylor  <iant@google.com>
14510
14511         PR rtl-optimization/32069
14512         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
14513         is NULL.
14514
14515 2007-05-24  Ollie Wild  <aaw@google.com>
14516
14517         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
14518         description.
14519
14520 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
14521
14522         * postreload-gcse.c (reg_changed_after_insn_p): New function.
14523         (oprs_unchanged_p): Use it to check all registers in a REG.
14524         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
14525         (reg_set_between_after_reload_p): Delete.
14526         (reg_used_between_after_reload_p): Likewise.
14527         (reg_set_or_used_since_bb_start): Likewise.
14528         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
14529         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
14530         Use reg_set_between_p instead of reg_set_between_after_reload_p.
14531         * rtlanal.c (reg_set_p): Check whether REG overlaps
14532         regs_invalidated_by_call, rather than just checking the
14533         membership of REGNO (REG).
14534
14535 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14536
14537         * doc/passes.texi: Document predictive commoning.
14538         * doc/invoke.texi (-fpredictive-commoning): Document.
14539         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
14540         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
14541         adding indices to the generated name.
14542         (schedule_sm): Pass 0 to get_lsm_tmp_name.
14543         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
14544         * tree-pretty-print.c (op_symbol_1): Renamed to ...
14545         (op_symbol_code): ... and exported.
14546         (dump_omp_clause, op_symbol): Use op_symbol_code
14547         instead of op_symbol_1.
14548         * tree-pass.h (pass_predcom): Declare.
14549         * timevar.def (TV_PREDCOM): New timevar.
14550         * tree-ssa-loop.c (run_tree_predictive_commoning,
14551         gate_tree_predictive_commoning, pass_predcom): New.
14552         * tree-data-ref.c (find_data_references_in_loop): Find the
14553         references in dominance order.
14554         (canonicalize_base_object_address): Ensure that the result has
14555         pointer type.
14556         (dr_analyze_innermost): Export.
14557         (create_data_ref): Code to fail for references with invariant
14558         address moved ...
14559         (find_data_references_in_stmt): ... here.
14560         * tree-data-ref.h (dr_analyze_innermost): Declare.
14561         * tree-affine.c: Include tree-gimple.h and hashtab.h.
14562         (aff_combination_find_elt, name_expansion_hash,
14563         name_expansion_eq, tree_to_aff_combination_expand,
14564         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
14565         New functions.
14566         * tree-affine.h (aff_combination_constant_multiple_p,
14567         tree_to_aff_combination_expand): Declare.
14568         * tree-predcom.c: New file.
14569         * common.opt (fpredictive-commoning): New option.
14570         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
14571         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
14572         * Makefile.in (tree-predcom.o): Add.
14573         (tree-affine.o): Add TREE_GIMPLE_H dependency.
14574         * passes.c (init_optimization_passes): Add dceloop after
14575         copy propagation in loop optimizer.  Add predictive commoning
14576         to loop optimizer passes.
14577
14578 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14579
14580         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
14581         default hook.
14582
14583 2007-05-24  Jan Hubicka  <jh@suse.cz>
14584
14585         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
14586         statistics.
14587         (genheader): Include statistics.h.
14588
14589         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
14590         notes are gone.
14591         * print-rtl.c (flag_dump_unnumbered): Update comments.
14592         (print_rtl): Fix my previous change.
14593         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
14594         specific data.
14595
14596 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
14597
14598         PR middle-end/32018
14599         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
14600         set_loop_copy.
14601         (thread_through_all_blocks): Call initialize_original_copy_tables
14602         and free_original_copy_tables.
14603         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
14604         Use set_loop_copy.
14605         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
14606         * cfghooks.c (duplicate_block): Use get_loop_copy.
14607         * cfg.c: Include cfgloop.h.
14608         (loop_copy): New hash table.
14609         (initialize_original_copy_tables): Initialize loop_copy table.
14610         (free_original_copy_tables): Free loop_copy table.
14611         (copy_original_table_clear, copy_original_table_set,
14612         set_loop_copy, get_loop_copy): New functions.
14613         (set_bb_original, set_bb_copy): Use copy_original_table_set.
14614         * cfgloop.h (struct loop): Remove copy field.
14615         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
14616         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
14617
14618 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14619
14620         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
14621         -msse/-msse2/-msse3.
14622
14623 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
14624
14625         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
14626         __builtin_ia32_vec_set_v2di with MASK_64BIT.
14627
14628 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
14629
14630         PR target/27067
14631         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
14632         * targhooks.h (default_mangle_decl_assembler_name): Declare
14633         default hook.
14634         * targhooks.c (default_mangle_decl_assembler_name): Define
14635         default hook.
14636         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
14637         default hook.
14638         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
14639         * langhooks.c (lhd_set_decl_assembler_name): Call
14640         targetm.mangle_decl_assembler_name for names with global scope.
14641
14642         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
14643         default.
14644         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
14645         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
14646         Declare.
14647         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
14648         New. Factored out of i386_pe_encode_section_info.
14649         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
14650         Move check for prior decoration of stdcall
14651         symbols to i386_pe_encode_section_info.
14652         (i386_pe_encode_section_info): Adjust call to
14653         gen_stdcall_or_fastcall_suffix.  Use
14654         i386_pe_maybe_mangle_decl_assembler_name, if needed.
14655         (i386_pe_mangle_decl_assembler_name): New. Wrap
14656         i386_pe_maybe_mangle_decl_assembler_name.
14657
14658 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
14659
14660         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
14661         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
14662         * langhooks.c (get_signed_or_unsigned_type): Don't check for
14663         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
14664         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
14665         TYPE_UNSIGNED.
14666
14667 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
14668             Nigel Stephens  <nigel@mips.com>
14669             Richard Sandiford  <richard@codesourcery.com>
14670
14671         Fix up MIPS16 hard float and add support for complex.
14672
14673         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
14674         (TARGET_SOFT_FLOAT_ABI): New.
14675         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
14676         __mips_soft_float to reflect the ABI in use, not whether the
14677         FPU is directly accessible (e.g., in MIPS16 mode).
14678         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
14679         (UNITS_PER_FPVALUE): Likewise.
14680
14681         * config/mips/mips.c (mips_expand_call): Remove redundant
14682         TARGET_MIPS16 check.
14683         (mips_arg_regno): New.
14684         (function_arg_advance): When setting bits in cum->fp_code for
14685         MIPS16, don't subtract 1 from cum->arg_number, since it is now
14686         zero-based.
14687         (function_arg): Use mips_arg_regno.
14688         (mips_return_mode_in_fpr_p): New.
14689         (mips16_call_stub_mode_suffix): New.
14690         (mips16_cfun_returns_in_fpr_p): New.
14691         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
14692         (mips_output_function_prologue): Test mips16_hard_float, not
14693         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
14694         (mips_expand_epilogue): Call MIPS16 helper routines to copy
14695         return value into a floating-point register.
14696         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
14697         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
14698         (mips16_fp_args): Handle MIPS32r2 ISA which supports
14699         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
14700         word of double arguments from or to the high bits of 64-bit
14701         floating point registers.
14702         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
14703         (mips16_fpret_double): New helper function.
14704         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
14705         support for complex modes.  Fill in DECL_RESULT for stubdecl.
14706         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
14707
14708         * config/mips/mips16.S
14709         (RET, ARG1, ARG2): New.
14710         (MERGE_GPRf, MERGE_GPRt): New.
14711         (DELAYt, DELAYf): New.
14712         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
14713         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
14714         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
14715         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
14716         (SFOP): Renamed to...
14717         (OPSF3): This, and macro-ified.  Updated all uses.
14718         (SFOP2): Renamed to...
14719         (OPSF2): This, and macro-ified.  Updated all uses.
14720         (SFCMP): Renamed to...
14721         (CMPSF): This, and macro-ified.  Updated all uses.
14722         (SFREVCMP): Renamed to...
14723         (REVCMPSF): This, and macro-ified.  Updated all uses.
14724         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
14725         (LDDBL1, LDDBL2, RETDBL): Deleted.
14726         (DFOP): Renamed to...
14727         (OPDF3): This, and macro-ified.  Updated all uses.
14728         (DFOP2): Renamed to...
14729         (OPDF2): This, and macro-ified.  Updated all uses.
14730         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
14731         (DFCMP): Renamed to...
14732         (CMPDF): This, and macro-ified.  Updated all uses.
14733         (DFREVCMP): Renamed to...
14734         (REVCMPDF): This, and macro-ified.  Updated all uses.
14735         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
14736         (RET_FUNCTION): New.
14737         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
14738         (__mips16_ret_sc, __mips16_ret_dc): New.
14739         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
14740         STUB_ARGS_6, STUB_ARGS_10): New.
14741         (CALL_STUB_NO_RET): New.
14742         (__mips16_call_stub_1): Macro-ified.
14743         (__mips16_call_stub_5): Macro-ified.
14744         (__mips16_call_stub_2): Macro-ified.
14745         (__mips16_call_stub_6): Macro-ified.
14746         (__mips16_call_stub_9): Macro-ified.
14747         (__mips16_call_stub_10): Macro-ified.
14748         (CALL_STUB_RET): New.
14749         (__mips16_call_stub_sf_0): Macro-ified.
14750         (__mips16_call_stub_sf_1): Macro-ified.
14751         (__mips16_call_stub_sf_5): Macro-ified.
14752         (__mips16_call_stub_sf_2): Macro-ified.
14753         (__mips16_call_stub_sf_6): Macro-ified.
14754         (__mips16_call_stub_sf_9): Macro-ified.
14755         (__mips16_call_stub_sf_10): Macro-ified.
14756         (__mips16_call_stub_df_0): Macro-ified.
14757         (__mips16_call_stub_df_1): Macro-ified.
14758         (__mips16_call_stub_df_5): Macro-ified.
14759         (__mips16_call_stub_df_2): Macro-ified.
14760         (__mips16_call_stub_df_6): Macro-ified.
14761         (__mips16_call_stub_df_9): Macro-ified.
14762         (__mips16_call_stub_df_10): Macro-ified.
14763         (__mips16_call_stub_sc_0): New.
14764         (__mips16_call_stub_sc_1): New.
14765         (__mips16_call_stub_sc_5): New.
14766         (__mips16_call_stub_sc_2): New.
14767         (__mips16_call_stub_sc_6): New.
14768         (__mips16_call_stub_sc_9): New.
14769         (__mips16_call_stub_sc_10): New.
14770         (__mips16_call_stub_dc_0): New.
14771         (__mips16_call_stub_dc_1): New.
14772         (__mips16_call_stub_dc_5): New.
14773         (__mips16_call_stub_dc_2): New.
14774         (__mips16_call_stub_dc_6): New.
14775         (__mips16_call_stub_dc_9): New.
14776         (__mips16_call_stub_dc_10): New.
14777
14778         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
14779         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
14780         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
14781
14782 2007-05-23  Ian Lance Taylor  <iant@google.com>
14783
14784         * doc/invoke.texi (Invoking GCC): Document that the order of the
14785         -l option matters.
14786
14787 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
14788
14789         PR target/30987
14790         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
14791         * config/score/predicate.md (const_pow2, const_npow2): Remove.
14792         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
14793         undef.
14794
14795         PR target/30474
14796         * config/score/score.c (score_print_operand): Make sure that only
14797         lower bits are used.
14798
14799 2007-05-22  Ian Lance Taylor  <iant@google.com>
14800
14801         * tree-vrp.c (avoid_overflow_infinity): New static function,
14802         broken out of set_value_range_to_value.
14803         (set_value_range_to_value): Call avoid_overflow_infinity.
14804         (extract_range_from_assert): Likewise.
14805
14806 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14807
14808         PR middle-end/31095
14809          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
14810         change the type before looking for a COMPOUND_EXPR.
14811
14812 2007-05-22  Ian Lance Taylor  <iant@google.com>
14813
14814         * lower-subreg.c (decompose_multiword_subregs): If we change an
14815         insn, call remove_retval_note on it.
14816
14817 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14818
14819         * regs.h (end_hard_regno): New function.
14820         (END_HARD_REGNO, END_REGNO): New macros.
14821         (add_to_hard_reg_set): New function.
14822         (remove_from_hard_reg_set): Likewise.
14823         (in_hard_reg_set_p): Likewise.
14824         (overlaps_hard_reg_set_p): Likewise.
14825         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
14826         (note_btr_set): Use END_HARD_REGNO.
14827         * caller-save.c (setup_save_areas): Use end_hard_regno.
14828         (mark_set_regs): Use END_HARD_REGNO.
14829         (add_stored_regs): Use end_hard_regno.
14830         (mark_referenced_regs): Use add_to_hard_reg_set.
14831         * combine.c (update_table_tick): Use END_REGNO.
14832         (record_value_for_reg): Likewise.
14833         (record_dead_and_set_regs): Likewise.
14834         (get_last_value_validate): Likewise.
14835         (use_crosses_set_p): Likewise.
14836         (reg_dead_at_p_1): Likewise.
14837         (reg_dead_at_p): Likewise.
14838         (mark_used_regs_combine): Use add_to_hard_reg_set.
14839         (move_deaths): Use END_HARD_REGNO.
14840         (reg_bitfield_target_p): Use end_hard_regno.
14841         (distribute_notes): Use END_HARD_REGNO.
14842         * cse.c (mention_regs): Use END_REGNO.
14843         (insert): Use add_to_hard_reg_set.
14844         (invalidate): Use END_HARD_REGNO.
14845         (invalidate_for_call): Likewise.
14846         (exp_equiv_p): Use END_REGNO.
14847         (cse_insn): Likewise.
14848         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
14849         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
14850         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
14851         * function.c (keep_stack_depressed): Use end_hard_regno.
14852         * global.c (global_alloc): Use end_hard_regno.
14853         (global_conflicts): Use add_to_hard_reg_set instead of
14854         mark_reg_live_nc.
14855         (find_reg): Likewise.
14856         (mark_reg_store): Likewise.
14857         (mark_reg_conflicts): Likewise.
14858         (mark_reg_death): Use remove_from_hard_reg_set.
14859         (mark_reg_live_nc): Delete.
14860         (set_preference): Use end_hard_regno.
14861         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
14862         remove_from_hard_reg_set.
14863         (post_mark_life): Use add_to_hard_reg_set.
14864         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
14865         (reg_becomes_live): Use add_to_hard_reg_set.
14866         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
14867         (peep2_find_free_register): Use add_to_hard_reg_set.
14868         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
14869         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
14870         * regrename.c (note_sets): Use add_to_hard_reg_set.
14871         (clear_dead_regs): Use remove_from_hard_reg_set.
14872         (regrename_optimize): Use add_to_hard_reg_set.
14873         (find_oldest_value_reg): Use in_hard_reg_set_p.
14874         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
14875         (hard_reg_set_here_p): Use end_hard_regno.
14876         (decompose): Likewise.
14877         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
14878         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
14879         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
14880         (mark_home_live): Use end_hard_regno.
14881         (spill_hard_reg): Likewise.
14882         (clear_reload_reg_in_use): Likewise.
14883         * reorg.c (delete_prior_computation): Use END_REGNO.
14884         * resource.c (update_live_status): Use END_HARD_REGNO.
14885         (mark_referenced_resources): Use add_to_hard_reg_set.
14886         (mark_set_resources): Likewise.
14887         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
14888         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
14889         (reg_overlap_mentioned_p): Likewise.
14890         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
14891         (covers_regno_no_parallel_p): Use END_REGNO.
14892         (find_regno_note): Likewise.
14893         (find_reg_fusage): Use END_HARD_REGNO.
14894         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
14895         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
14896
14897 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
14898
14899         * mode-switching.c (reg_dies): Change type of second argument to
14900         "HARD_REG_SET *".
14901         (optimize_mode_switching): Update accordingly.
14902
14903 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
14904
14905         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
14906         in favor of...
14907         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
14908         (hard_reg_set_empty_p): ...these new functions.
14909         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
14910         GO_IF_HARD_REG_SUBSET.
14911         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
14912         instead of GO_IF_HARD_REG_EQUAL.
14913         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
14914         instead of GO_IF_HARD_REG_EQUAL.
14915         * global.c (find_reg): Use hard_reg_set_empty_p instead of
14916         GO_IF_HARD_REG_SUBSET.
14917         (modify_reg_pav): Use hard_reg_set_empty_p instead of
14918         GO_IF_HARD_REG_EQUAL.
14919         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
14920         of GO_IF_HARD_REG_SUBSET.
14921         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
14922         instead of GO_IF_HARD_REG_EQUAL.
14923         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
14924         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
14925         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
14926         of GO_IF_HARD_REG_SUBSET,
14927         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
14928         GO_IF_HARD_REG_SUBSET.
14929         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
14930         instead of GO_IF_HARD_REG_EQUAL.
14931         * config/sh/sh.c (push_regs, calc_live_regs): Use
14932         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
14933         (hard_regs_intersect_p): Delete.
14934
14935 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
14936
14937         * doc/sourcebuild.texi (Test Directives) Add dg-message.
14938
14939 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
14940             Richard Henderson  <rth@redhat.com>
14941
14942         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
14943         extra_headers.
14944         (x86_64-*-*): Likewise.
14945
14946         * i386/i386-modes.def (V2QI): New.
14947
14948         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
14949         SSE4A.
14950         (override_options): Support SSE4.1.
14951         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
14952         (IX86_BUILTIN_BLENDPS): Likewise.
14953         (IX86_BUILTIN_BLENDVPD): Likewise.
14954         (IX86_BUILTIN_BLENDVPS): Likewise.
14955         (IX86_BUILTIN_PBLENDVB128): Likewise.
14956         (IX86_BUILTIN_PBLENDW128): Likewise.
14957         (IX86_BUILTIN_DPPD): Likewise.
14958         (IX86_BUILTIN_DPPS): Likewise.
14959         (IX86_BUILTIN_INSERTPS128): Likewise.
14960         (IX86_BUILTIN_MOVNTDQA): Likewise.
14961         (IX86_BUILTIN_MPSADBW128): Likewise.
14962         (IX86_BUILTIN_PACKUSDW128): Likewise.
14963         (IX86_BUILTIN_PCMPEQQ): Likewise.
14964         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
14965         (IX86_BUILTIN_PMAXSB128): Likewise.
14966         (IX86_BUILTIN_PMAXSD128): Likewise.
14967         (IX86_BUILTIN_PMAXUD128): Likewise.
14968         (IX86_BUILTIN_PMAXUW128): Likewise.
14969         (IX86_BUILTIN_PMINSB128): Likewise.
14970         (IX86_BUILTIN_PMINSD128): Likewise.
14971         (IX86_BUILTIN_PMINUD128): Likewise.
14972         (IX86_BUILTIN_PMINUW128): Likewise.
14973         (IX86_BUILTIN_PMOVSXBW128): Likewise.
14974         (IX86_BUILTIN_PMOVSXBD128): Likewise.
14975         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
14976         (IX86_BUILTIN_PMOVSXWD128): Likewise.
14977         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
14978         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
14979         (IX86_BUILTIN_PMOVZXBW128): Likewise.
14980         (IX86_BUILTIN_PMOVZXBD128): Likewise.
14981         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
14982         (IX86_BUILTIN_PMOVZXWD128): Likewise.
14983         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
14984         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
14985         (IX86_BUILTIN_PMULDQ128): Likewise.
14986         (IX86_BUILTIN_PMULLD128): Likewise.
14987         (IX86_BUILTIN_ROUNDPD): Likewise.
14988         (IX86_BUILTIN_ROUNDPS): Likewise.
14989         (IX86_BUILTIN_ROUNDSD): Likewise.
14990         (IX86_BUILTIN_ROUNDSS): Likewise.
14991         (IX86_BUILTIN_PTESTZ): Likewise.
14992         (IX86_BUILTIN_PTESTC): Likewise.
14993         (IX86_BUILTIN_PTESTNZC): Likewise.
14994         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
14995         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
14996         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
14997         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
14998         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
14999         (bdesc_ptest): New.
15000         (bdesc_sse_3arg): Likewise.
15001         (bdesc_2arg): Likewise.
15002         (bdesc_1arg): Likewise.
15003         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
15004         with 3 args.
15005         (ix86_expand_sse_4_operands_builtin): New.
15006         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
15007         smaller than 8 bits as the 2nd arg.
15008         (ix86_expand_sse_ptest): New.
15009         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
15010         (ix86_expand_vector_set): Support SSE4.1.
15011         (ix86_expand_vector_extract): Likewise.
15012
15013         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
15014         __SSE4_1__ for -msse4.1.
15015
15016         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
15017         (UNSPEC_INSERTPS): Likewise.
15018         (UNSPEC_DP): Likewise.
15019         (UNSPEC_MOVNTDQA): Likewise.
15020         (UNSPEC_MPSADBW): Likewise.
15021         (UNSPEC_PHMINPOSUW): Likewise.
15022         (UNSPEC_PTEST): Likewise.
15023         (UNSPEC_ROUNDP): Likewise.
15024         (UNSPEC_ROUNDS): Likewise.
15025
15026         * config/i386/i386.opt (msse4.1): New for SSE4.1.
15027
15028         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
15029         (const_pow2_1_to_32768_operand): Likewise.
15030
15031         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
15032         file.
15033
15034         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
15035         SSE4.1.
15036         (sse4_1_insertps): Likewise.
15037         (*sse4_1_extractps): Likewise.
15038         (sse4_1_ptest): Likewise.
15039         (sse4_1_mulv2siv2di3): Likewise.
15040         (*sse4_1_mulv4si3): Likewise.
15041         (*sse4_1_smax<mode>3): Likewise.
15042         (*sse4_1_umax<mode>3): Likewise.
15043         (*sse4_1_smin<mode>3): Likewise.
15044         (*sse4_1_umin<mode>3): Likewise.
15045         (sse4_1_eqv2di3): Likewise.
15046         (*sse4_1_pinsrb): Likewise.
15047         (*sse4_1_pinsrd): Likewise.
15048         (*sse4_1_pinsrq): Likewise.
15049         (*sse4_1_pextrb): Likewise.
15050         (*sse4_1_pextrb_memory): Likewise.
15051         (*sse4_1_pextrw_memory): Likewise.
15052         (*sse4_1_pextrq): Likewise.
15053         (sse4_1_blendpd): Likewise.
15054         (sse4_1_blendps): Likewise.
15055         (sse4_1_blendvpd): Likewise.
15056         (sse4_1_blendvps): Likewise.
15057         (sse4_1_dppd): Likewise.
15058         (sse4_1_dpps): Likewise.
15059         (sse4_1_movntdqa): Likewise.
15060         (sse4_1_mpsadbw): Likewise.
15061         (sse4_1_packusdw): Likewise.
15062         (sse4_1_pblendvb): Likewise.
15063         (sse4_1_pblendw): Likewise.
15064         (sse4_1_phminposuw): Likewise.
15065         (sse4_1_extendv8qiv8hi2): Likewise.
15066         (*sse4_1_extendv8qiv8hi2): Likewise.
15067         (sse4_1_extendv4qiv4si2): Likewise.
15068         (*sse4_1_extendv4qiv4si2): Likewise.
15069         (sse4_1_extendv2qiv2di2): Likewise.
15070         (*sse4_1_extendv2qiv2di2): Likewise.
15071         (sse4_1_extendv4hiv4si2): Likewise.
15072         (*sse4_1_extendv4hiv4si2): Likewise.
15073         (sse4_1_extendv2hiv2di2): Likewise.
15074         (*sse4_1_extendv2hiv2di2): Likewise.
15075         (sse4_1_extendv2siv2di2): Likewise.
15076         (*sse4_1_extendv2siv2di2): Likewise.
15077         (sse4_1_zero_extendv8qiv8hi2): Likewise.
15078         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
15079         (sse4_1_zero_extendv4qiv4si2): Likewise.
15080         (*sse4_1_zero_extendv4qiv4si2): Likewise.
15081         (sse4_1_zero_extendv2qiv2di2): Likewise.
15082         (*sse4_1_zero_extendv2qiv2di2): Likewise.
15083         (sse4_1_zero_extendv4hiv4si2): Likewise.
15084         (*sse4_1_zero_extendv4hiv4si2): Likewise.
15085         (sse4_1_zero_extendv2hiv2di2): Likewise.
15086         (*sse4_1_zero_extendv2hiv2di2): Likewise.
15087         (sse4_1_zero_extendv2siv2di2): Likewise.
15088         (*sse4_1_zero_extendv2siv2di2): Likewise.
15089         (sse4_1_roundpd): Likewise.
15090         (sse4_1_roundps): Likewise.
15091         (sse4_1_roundsd): Likewise.
15092         (sse4_1_roundss): Likewise.
15093         (mulv4si3): Don't expand for SSE4.1.
15094         (smax<mode>3): Likewise.
15095         (umaxv4si3): Likewise.
15096         (uminv16qi3): Likewise.
15097         (umin<mode>3): Likewise.
15098         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
15099
15100         * doc/extend.texi: Document SSE4.1 built-in functions.
15101
15102         * doc/invoke.texi: Document -msse4.1.
15103
15104 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
15105
15106         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
15107         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
15108         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
15109         (ASM_SPEC): Add asm_pcrel_spec.
15110         (EXTRA_SPECS): Add asm_pcrel_spec.
15111
15112 2007-05-21  David Daney  <ddaney@avtrex.com>
15113
15114         * doc/install.texi (Building a cross compiler): Add requirements
15115         for Java cross compiler.
15116
15117 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15118
15119         PR middle-end/31995
15120         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
15121         Add loopno argument.  Use evolution_function_is_invariant_rec_p
15122         instead of evolution_function_is_constant_p.
15123         Update calls to evolution_function_is_affine_multivariate_p.
15124         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
15125         Add loopno argument.
15126         * tree-scalar-evolution.c (gather_chrec_stats): Call
15127         evolution_function_is_affine_multivariate_p with a loop
15128         number of 0.
15129         * tree-data-ref.c (analyze_miv_subscript): Likewise.
15130         (analyze_overlapping_iterations): Likewise.
15131         (access_functions_are_affine_or_constant_p): Likewise.
15132         (build_classic_dist_vector_1): If the access functions
15133         are equal, don't do anything.
15134
15135 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
15136             Paolo Carlini  <pcarlini@suse.de>
15137             Uros Bizjak  <ubizjak@gmail.com>
15138
15139         * c-cppbuiltin.c (c_cpp_builtins): Define
15140         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
15141         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
15142         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
15143         * doc/cpp.texi ([Standard Predefined Macros]): Document.
15144
15145 2007-05-21  Mike Stump  <mrs@apple.com>
15146
15147         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
15148         handling as well.
15149         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
15150
15151 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
15152
15153         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
15154         implementation if __OPTIMIZE__ is not defined.
15155         (_mm_alignr_pi8): Ditto.
15156         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15157         (_mm_inserti_si64): Ditto.
15158         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15159         (_mm_slli_epi16): Ditto.
15160         (_mm_slli_epi32): Ditto.
15161         (_mm_slli_epi64): Ditto.
15162         (_mm_srai_epi16): Ditto.
15163         (_mm_srai_epi32): Ditto.
15164         (_mm_srli_si128): Ditto.
15165         (_mm_slli_si128): Ditto.
15166         (_mm_srli_epi16): Ditto.
15167         (_mm_srli_epi32): Ditto.
15168         (_mm_srli_epi64): Ditto.
15169         (_mm_extract_epi16): Ditto.
15170         (_mm_insert_epi16): Ditto.
15171         (_mm_shufflehi_epi16): Ditto.
15172         (_mm_shufflelo_epi16): Ditto.
15173         (_mm_shuffle_epi32): Ditto.
15174         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
15175         (_m_pextrw): Ditto.
15176         (_mm_insert_pi16): Ditto.
15177         (_m_pinsrw): Ditto.
15178         (_mm_shuffle_pi16): Ditto.
15179         (_m_pshufw): Ditto.
15180         (_mm_shufle_ps): Ditto.
15181         (_mm_prefetch): Ditto.
15182
15183 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
15184
15185         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
15186         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
15187         * real.c (encode_i370_single, decode_i370_single,
15188         encode_i370_double, decode_i370_double): Functions removed.
15189         (i370_single_format, i370_double_format): Initializations removed.
15190         (real_maxval, round_for_format, exact_real_truncate, significand_size):
15191         Consider the log2_b field to always be one.
15192         (ieee_single_format, mips_single_format, coldfire_single_format,
15193         ieee_double_format, mips_double_format, coldfire_double_format,
15194         ieee_extended_motorola_format, ieee_extended_intel_96_format,
15195         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
15196         ibm_extended_format, mips_extended_format, ieee_quad_format,
15197         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
15198         decimal_single_format, decimal_double_format, decimal_quad_format,
15199         c4x_single_format, c4x_extended_format, real_internal_format): Remove
15200         initialization of log2_b.
15201         * real.h (i370_single_format, i370_double_format): Declarations
15202         removed.
15203         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
15204         field to always be one.
15205
15206 2007-05-21  Andreas Schwab  <schwab@suse.de>
15207
15208         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
15209         NOTE_INSN_BASIC_BLOCK_P.
15210         (process_for_unwind_directive): Likewise.
15211
15212 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
15213
15214         * builtins.c (expand_builtin_setjmp_setup): Update comment.
15215         * function.h (struct function): Move va_list_gpr_size,
15216         va_list_fpr_size, function_frequency to front of bitfields.  Add
15217         calls_unwind_init.
15218         (current_function_calls_unwind_init): New.
15219         * except.c (expand_builtin_unwind_init): Set
15220         current_function_calls_unwind_init not
15221         current_function_has_nonlocal_label.
15222         * reload1.c (has_nonexceptional_receiver): New.
15223         (reload): Use it and current_function_calls_unwind_init to
15224         determine whether call-saved regs must be saved.
15225
15226 2007-05-20  Jan Hubicka  <jh@suse.cz>
15227
15228         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
15229         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15230         * ddg.c (create_ddg): LIkewise.
15231         * final.c (final): Remove hunk moving line number notes around since
15232         they are no longer present at this stage.
15233         (final_scan_insn): Use NOTE_KIND instead of
15234         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15235         (output_asm_label): Likewise.
15236         * reorg.c (dbr_schedule): Likewise.
15237         * haifa-sched.c (unlink_other_notes): Likewise.
15238         * mode-switching.c (optimize_mode_switching): Likewise.
15239         * graph.c (start_bb): Likewise.
15240         * rtl.def (NOTE): Update description.
15241         * jump.c (squeeze_notes): Delete.
15242         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
15243         NOTE_INSN_BASIC_BLOCK_P when possible.
15244         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
15245         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
15246         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
15247         (dwarf2out_var_location): Likewise.
15248         * cfgbuild.c (make_edges): Likewise.
15249         (find_basic_blocks_1): Likewise.
15250         * function.c (reorder_blocks_1): Likewise.
15251         (epilogue_done): Likewise.
15252         (reposition_prologue_and_epilogue_notes): Likewise.
15253         * print-rtl.c (print_rtx): Likewise; drop code for printing
15254         line number notes.
15255         (print_rtl): Likewise.
15256         (print_rtl_single): Likewise.
15257         * gcse.c (insert_insn_start_bb): Likewise.
15258         * alias.c (init_alias_analysis): Likewise.
15259         * calls.c (fixup_tail_calls): Likewise.
15260         * except.c (sjlj_emit_function_enter): Likewise.
15261         * emit-rtl.c (add_insn_after): Likeiwse.
15262         (emit_label_before): Likewise.
15263         (emit_label_after): Likewise.
15264         (emit_note_before, emit_note_after, emit_note): Update
15265         parameter to be enum insn_note; do not deal with source
15266         files.
15267         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
15268         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
15269         when possible.
15270         (merge_blocks_move_successor_nojumps): Simplify now when
15271         we don't have BLOCK notes.
15272         (try_optimize_cfg): Likewise.
15273         * cfglayout.c (skip_insns_after_block): Likewise.
15274         (record_effective_endpoints): Likewise.
15275         (duplicate_insn_chain): Likewise.
15276         * varasm.c (output_constant_pool_1): Likewise.
15277         * sched-deps.c (sched_analyze): Likewise.
15278         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
15279         Exterminate.
15280         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
15281         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
15282         (SET_INSN_DELETED): Simplify.
15283         (NOTE_LINE_NUMBER): Exterminate.
15284         (NOTE_LINE_KIND): New.
15285         (NOTE_INSN_BASIC_BLOCK_P): Update.
15286         (enum insn_note): Simplify.
15287         (GET_NOTE_INSN_NAME) Simplify.
15288         (emit_note_before, emit_note_after, emit_note): Update prototype.
15289         (squeeze_notes): Remove.
15290         * sched-int.h (NOTE_NOT_BB_P): Update.
15291         * resource.c (mark_target_live_regs): Update.
15292         * sched-rgn.c (debug_dependencies): Update.
15293         * sched-vis.c (print_insn): Update.
15294         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
15295         * config/i386/i386.c (ix86_output_function_epilogue): Update.
15296         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
15297         (TARGET_ADJUST_UNROLL_MAX): Likewise.
15298         (split_branches): Update.
15299         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
15300         4.0.0.
15301         (sh_adjust_unroll_max): Exterminate.
15302         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
15303         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
15304         (m68hc11_reorg): Likewise.
15305         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
15306         (emit_predicate_relation_info): Update.
15307         (process_for_unwind_directive): Update.
15308         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
15309         (output_call): Update.
15310         * config/pa/pa.c (output_lbranch): Update.
15311         (output_millicode_call): Update.
15312         (output_call): Update.
15313         (pa_combine_instructions): Update.
15314         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
15315         * config/bfin/bfin.c (gen_one_bundle): Update.
15316         * cfgrtl.c (can_delete_note_p): Update.
15317         (delete_insn): Update.
15318         (rtl_merge_blocks): Update.
15319         (commit_one_edge_insertion): Update.
15320         (rtl_verify_flow_info): Update.
15321         * stmt.c (expand_case): Do not call squeeze_notes.
15322
15323 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15324
15325         PR middle-end/7651
15326         PR c++/11856
15327         PR c/12963
15328         PR c/23587
15329         PR other/29694
15330         * c.opt (Wtype-limits): New.
15331         * doc/invoke.texi (Wtype-limits): Document it.
15332         (Wextra): Enabled by -Wextra.
15333         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15334         * c-common.c (shorten_compare): Warn with Wtype-limits.
15335
15336 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15337
15338         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
15339         inlined function, not as a macro.
15340         (_mm_alignr_pi8): Ditto.
15341         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
15342         (_mm_inserti_si64): Ditto.
15343         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
15344         (_mm_extract_epi16): Ditto.
15345         (_mm_insert_epi16): Ditto.
15346         (_mm_shufflehi_epi16): Ditto.
15347         (_mm_shufflelo_epi16): Ditto.
15348         (_mm_shuffle_epi32): Ditto.
15349         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
15350         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
15351         all functions.
15352         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
15353         float constant.
15354         (_m_to_float): Use C89 compatible assignment.
15355
15356 2007-05-20  Martin Michlmayr  <tbm@cyrius.com>
15357
15358         PR target/32007
15359         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
15360
15361 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15362
15363         PR middle-end/7651
15364         * doc/invoke.texi (Wreturn-type): Complete description.
15365         (Wextra): Delete item about return-type warning.
15366         * c-decl.c: Delete redundant Wextra warning.
15367
15368 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
15369
15370         PR target/31585
15371         * config/i386/pmmintrin.h: Do not include xmmintrin.h
15372         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
15373         inlined function, not as a macro.
15374         (_mm_prefetch): Ditto.
15375         (_m_pextrw): Ditto.
15376         (_mm_insert_pi16): Ditto.
15377         (_m_pinsrw): Ditto.
15378         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
15379         (_m_pshufw): Ditto. Add const to __N argument.
15380         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
15381         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
15382         (_mm_slli_epi32): Ditto.
15383         (_mm_srli_si128): Implement as always inlined function, not as a
15384         macro.  Add __inline to function declaration.
15385         (_mm_slli_si128): Ditto.
15386
15387 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
15388
15389         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
15390         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
15391         New constants.
15392         (struct fenv): New structure.
15393         (FP_HANDLE_EXCEPTIONS): New define.
15394         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
15395         (_FP_DECL_EXP): New define.
15396         (FP_INIT_ROUNDMODE): New define.
15397         (FP_ROUNDMODE): New define.
15398
15399 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15400
15401         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
15402         (Wconversion): Update description.
15403         (Wconversion-sign): New.
15404         * c.opt (Wconversion-sign): New.
15405         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
15406         means disabled for C++. Otherwise, take the status of Wconversion.
15407         * c-common.c (conversion_warning): Warn with either Wconversion or
15408         Wconversion-sign.
15409         (warnings_for_convert_and_check): Conditions are already checked by
15410         conversion_warning.
15411         (convert_and_check): Don't check warnings if the conversion failed.
15412
15413 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
15414            Anatoly Sokolov <aesok@dol.ru>
15415
15416         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
15417         avr_epilogue_uses) : Add declaration.
15418         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
15419         * config/avr/constraints.md (R): New constraint.
15420         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
15421         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
15422         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
15423         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
15424         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
15425         call_prologue_saves, epilogue_restores, return_from_epilogue,
15426         return_from_main_epilogue, return_from_interrupt_epilogue,
15427         return_from_naked_epilogue, prologue, epilogue): New patterns.
15428         (jump): Handle symbol reference.
15429         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
15430         avr_output_function_prologue, avr_output_function_epilogue): Remove
15431         functions.
15432         (avr_init_machine_status, expand_prologue, expand_epilogue,
15433         avr_asm_function_end_prologue, avr_epilogue_uses,
15434         avr_asm_function_begin_epilogue): New functions.
15435         (prologue_size, epilogue_size, jump_tables_size): Remove global
15436         variables.
15437         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
15438         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
15439         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
15440         (avr_override_options): Initialise init_machine_status.
15441         (output_movhi): Handle all stack pointer loads.
15442         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
15443         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
15444         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
15445         (EPILOGUE_USES) Redefine.
15446         (machine_function) Declare.
15447
15448 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
15449
15450         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
15451         Use a single return statement.
15452
15453 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15454
15455         PR middle-end/30250
15456         * builtins.c (do_mpfr_lgamma_r): New.
15457         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
15458         * tree.h (CASE_FLT_FN_REENT): New.
15459
15460 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
15461
15462         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
15463         (output_die): Use 'unsigned long' with %x.
15464         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
15465         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
15466         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
15467
15468         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
15469
15470 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
15471
15472         PR target/31989
15473         PR target/31681
15474         PR target/31666
15475         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
15476         true if function has no argument.
15477
15478 2007-05-18  DJ Delorie  <dj@redhat.com>
15479
15480         * config/mips/mips.c (mips_offset_within_alignment_p): New.
15481         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
15482
15483 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15484
15485         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
15486         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
15487         count_trailing_zeros.
15488         (__i386__): Implement count_leading_zeros using __builtin_clz().
15489         Implement count_trailing_zeros usign __builtin_ctz().
15490
15491 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
15492
15493         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
15494
15495 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
15496
15497         PR middle-end/31344
15498         * expr.c (emit_move_change_mode): Change mode of push operands here.
15499
15500 2007-05-17  Ian Lance Taylor  <iant@google.com>
15501
15502         PR tree-optimization/31953
15503         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
15504         Change all callers.
15505         (set_value_range_to_null): Call set_value_range_to_value.
15506         (extract_range_from_comparison): Likewise.
15507
15508 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15509
15510         * toplev.c (print_version): Output GMP/MPFR version info.
15511
15512         * builtins.c (CASE_MATHFN_REENT): New macro.
15513         (mathfn_built_in): Use it.
15514         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
15515         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
15516         BUILT_IN_LGAMMAL_R): New.
15517         * doc/extend.texi: Document new builtins.
15518
15519         PR middle-end/31796
15520         * builtins.c (do_mpfr_remquo): New.
15521         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
15522         (fold_builtin_3): Handle BUILT_IN_REMQUO.
15523
15524         PR middle-end/30251
15525         * builtins.c (fold_builtin_1): Handle y0, y1.
15526         (fold_builtin_2): Handle yn.
15527
15528         PR middle-end/30251
15529         * builtins.c (do_mpfr_bessel_n): New.
15530         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
15531         (fold_builtin_2): Handle BUILT_IN_JN.
15532
15533 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
15534
15535         PR target/31965
15536         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
15537         TYPE_PRECISION (intmax_type_node).
15538
15539 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
15540
15541         PR target/31850
15542         * reload.c (subst_reloads): Remove checking.
15543
15544 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
15545
15546         PR rtl-optimization/31691
15547         * combine.c (simplify_set): Build a new src pattern instead of
15548         substituting its operands in the COMPARE case.
15549
15550 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
15551
15552         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
15553         (execute_vrp): Preserve loops through jump threading.
15554         * tree-ssa-threadupdate.c (thread_single_edge,
15555         dbds_continue_enumeration_p, determine_bb_domination_status,
15556         thread_through_loop_header): New functions.
15557         (create_edge_and_update_destination_phis,
15558         create_edge_and_update_destination_phis): Set loops for the new blocks.
15559         (prune_undesirable_thread_requests): Removed.
15560         (redirect_edges): Do not pretend that redirect_edge_and_branch can
15561         create new blocks.
15562         (thread_block): Do not call prune_undesirable_thread_requests.
15563         Update loops.
15564         (mark_threaded_blocks): Select edges to thread here.
15565         (thread_through_all_blocks): Take may_peel_loop_headers argument.
15566         Thread edges through loop headers independently.
15567         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
15568         * tree-pass.h (TODO_mark_first_instance): New.
15569         (first_pass_instance): Declare.
15570         * cfghooks.c (duplicate_block): Put the block to the original loop
15571         if copy is not specified.
15572         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
15573         jump threading.  Pass may_peel_loop_headers to
15574         thread_through_all_blocks according to first_pass_instance.
15575         * cfgloop.h (create_preheader): Declare.
15576         * tree-flow.h (thread_through_all_blocks): Declaration changed.
15577         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
15578         * passes.c (first_pass_instance): New variable.
15579         (next_pass_1): Set TODO_mark_first_instance.
15580         (execute_todo): Set first_pass_instance.
15581
15582 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
15583
15584         PR tree-optimization/24659
15585         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
15586         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
15587         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
15588         OTI_vec_pack_ufix_trunc.
15589         (vec_unpacks_float_hi_optab): Define new macro.
15590         (vec_unpacks_float_lo_optab): Ditto.
15591         (vec_unpacku_float_hi_optab): Ditto.
15592         (vec_unpacku_float_lo_optab): Ditto.
15593         (vec_pack_sfix_trunc_optab): Ditto.
15594         (vec_pack_ufix_trunc_optab): Ditto.
15595         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
15596         and vec_pack_[s|u]fix_trunc_optab using
15597         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
15598         * tree-vectorizer.c (supportable_widening_operation): Handle
15599         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
15600         (supportable_narrowing_operation): New function.
15601         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
15602         * tree-vect-transform.c (vectorizable_conversion): Handle
15603         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
15604         (vect_gen_widened_results_half): Move before vectorizable_conversion.
15605         (vectorizable_type_demotion): Call supportable_narrowing_operation()
15606         to check for target support.
15607         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
15608         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
15609         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
15610         for VEC_PACK_FIX_TRUNC_EXPR.
15611         (expand_binop): Special case mode of the result for
15612         vec_pack_[u|s]fix_trunc_optab.
15613         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
15614         vec_pack_[u|s]fix_trunc_optab.
15615
15616         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
15617         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
15618         * tree-pretty-print.c (dump_generic_node): Handle
15619         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
15620         VEC_PACK_FIX_TRUNC_EXPR.
15621         (op_prio): Ditto.
15622         * expr.c (expand_expr_real_1): Ditto.
15623         * tree-inline.c (estimate_num_insns_1): Ditto.
15624         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
15625
15626         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
15627         (vec_unpacks_float_lo_v8hi): Ditto.
15628         (vec_unpacku_float_hi_v8hi): Ditto.
15629         (vec_unpacku_float_lo_v8hi): Ditto.
15630         (vec_unpacks_float_hi_v4si): Ditto.
15631         (vec_unpacks_float_lo_v4si): Ditto.
15632         (vec_pack_sfix_trunc_v2df): Ditto.
15633
15634         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
15635         Document.
15636         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
15637         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
15638         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
15639         [vec_pack_ufix_trunc]: Ditto.
15640         [vec_unpacks_float_hi]: Ditto.
15641         [vec_unpacks_float_lo]: Ditto.
15642         [vec_unpacku_float_hi]: Ditto.
15643         [vec_unpacku_float_lo]: Ditto.
15644
15645 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
15646
15647         * soft-fp/README: Update for new files.
15648         * soft-fp/floattisf.c: New file.
15649         * soft-fp/floattidf.c: New file.
15650         * soft-fp/floattitf.c: New file.
15651         * soft-fp/floatuntisf.c: New file.
15652         * soft-fp/floatuntidf.c: New file.
15653         * soft-fp/floatuntitf.c: New file.
15654         * soft-fp/fixsfti.c: New file.
15655         * soft-fp/fixdfti.c: New file.
15656         * soft-fp/fixtfti.c: New file.
15657         * soft-fp/fixunssfti.c: New file.
15658         * soft-fp/fixunsdfti.c: New file.
15659         * soft-fp/fixunstfti.c: New file.
15660         * soft-fp/extendxftf.c: New file.
15661         * soft-fp/trunctfxf.c: New file.
15662
15663         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
15664         (__trunctfxf2): Ditto.
15665
15666         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
15667         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
15668         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
15669         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
15670         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
15671         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
15672
15673         * config/i386/t-fprules-softfp64: New file.
15674         * config/i386/sfp-machine.h: New file.
15675         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
15676         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
15677         and soft-fp/t-softfp to tmake_file.
15678         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
15679         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
15680
15681         * config/i386/t-linux64 (softfp_wrap_start): New.
15682         (softfp_wrap_end): New.
15683         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
15684         supported for TARGET_64BIT.
15685
15686 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
15687
15688         * c-common.c (c_common_signed_or_unsigned_type): Emulate
15689         c_common_unsigned_type behavior.
15690
15691 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
15692
15693         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
15694         calls as pure.
15695
15696 2007-05-16  Eric Christopher  <echristo@apple.com>
15697
15698         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
15699         saving after stack push. Set sp_offset whenever we push.
15700         (rs6000_emit_epilogue): Move altivec register restore before
15701         stack push.
15702
15703 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15704
15705         * configure.ac: Allow sysroots to be relocated under $prefix as
15706         well as $exec_prefix.
15707         * configure: Regenerate.
15708
15709 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
15710
15711         Revert:
15712
15713         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15714
15715         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15716         (gcc_tooldir): Likewise.
15717         * configure: Regenerate.
15718         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15719         old configure.ac gcc_tooldir setting.
15720         (prefix_to_exec_prefix): New variable.
15721         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15722         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15723
15724 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
15725
15726         * c-typeck.c (build_binary_op): Return early for error.
15727
15728 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
15729
15730         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
15731         struct nb_iter_bound.
15732         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
15733         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
15734         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
15735         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
15736         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
15737         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
15738         (del_scev_info): Use ggc_free.
15739         (scev_initialize): Allocate scalar_evolution_info in gc memory.
15740         * loop-init.c: Include ggc.h.
15741         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
15742         (loop_optimizer_finalize): Use ggc_free.
15743         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
15744         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
15745         pass_iv_optimize): Add TODO_ggc_collect.
15746         * function.h (struct function): Remove skip marker from
15747         x_current_loops.
15748         * cfgloop.c: Include ggc.h.
15749         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
15750         memory.
15751         (establish_preds): Vector superloops is gc allocated.
15752         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
15753         loop->exits list.
15754         (flow_loops_find): Vector larray is gc allocated.
15755         (loop_exit_free): Use ggc_free.
15756         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
15757         that head of exits list is now not a part of struct loop.
15758         (record_loop_exits): Allocate exits table in gc memory.
15759         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
15760         that head of exits list is now not a part of struct loop.
15761         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
15762         struct loop_exit): Add GTY marker.
15763         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
15764         Add skip marker to aux field.  Make head of exits list a separate
15765         object.
15766         (struct loops): Add GTY marker.  Make larray vector gc allocated.
15767         Add param marker to exits table.
15768         (get_loops): Type changed.
15769         * Makefile.in (tree-scalar-evolution.o): Add
15770         gt-tree-scalar-evolution.h dependency.
15771         (cfgloop.o, loop-init.o): Add ggc.h dependency.
15772         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
15773         * basic-block.h (struct basic_block_def): Remove skip marker from
15774         loop_father field.
15775
15776 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
15777
15778         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
15779         of 0 in the call to expand_expr().
15780         (expand_builtin_mathfn_3): Ditto.
15781         (expand_builtin_interclass_mathfn): Ditto.
15782         (expand_builtin_cexpi): Ditto.
15783         (expand_builtin_int_roundingfn): Ditto.
15784         (expand_builtin_int_roundingfn_2): Ditto.
15785         (expand_builtin_pow): Ditto.
15786         (expand_builtin_powi): Ditto.
15787         (expand_builtin_bswap): Ditto.
15788         (expand_builtin_unop): Ditto.
15789         (expand_builtin_fabs): Ditto.
15790         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
15791         the call to expand_expr().
15792         (expand_builtin_sync_operation): Ditto.
15793         (expand_builtin_compare_and_swap): Ditto.
15794         (expand_builtin_lock_test_and_set): Ditto.
15795         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
15796         instead of 0 in the call to expand_expr().
15797         (expand_builtin_extract_return_addr): Ditto.
15798         (expand_builtin_eh_return): Ditto.
15799         (expand_eh_return): Ditto.
15800         * explow.c (expr_size): Ditto.
15801         * expr.c (optimize_bitfield_assignment_op): Ditto.
15802         (expand_assignement): Ditto.
15803         (store_expr): Ditto.
15804         (store_field): Ditto.
15805         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
15806         the call to expand_expr().
15807         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
15808         in the call to expand_expr().
15809         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
15810         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
15811         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
15812         of expand_expr().
15813         * optabs.c (expand_vec_shift_expr): Ditto.
15814         (expand_vec_cond_expr): Ditto.
15815         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
15816         call to expand_expr().
15817         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
15818         in the call to expand_expr().
15819
15820 2007-05-14  Dave Korn  <dave.korn@artimi.com>
15821
15822         * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
15823
15824 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
15825
15826         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
15827         instead of c_common_unsigned_type.
15828         (c_common_unsigned_type): Remove.
15829         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
15830         c_common_unsigned_type.
15831         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
15832         c_common_unsigned_type.
15833         * c-common.h (c_common_unsigned_type): Remove.
15834         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
15835         c_common_unsigned_type.
15836         * c-format.c (check_format_types): Use unsigned_type_for instead of
15837         c_common_unsigned_type.
15838         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15839         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
15840         of c_common_unsigned_type.
15841         * convert.c (convert_to_integer): Use unsigned_type_for instead of
15842         lang_hooks.types.unsigned_type.
15843         * expmed.c (make_tree): Use unsigned_type_for instead of
15844         lang_hooks.types.unsigned_type.
15845         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
15846         lang_hooks.types.unsigned_type.
15847         (build_range_check): Likewise.
15848         (fold_unary): Likewise.
15849         (fold_binary): Likewise.
15850         (fold_ternary): Likewise.
15851         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
15852         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
15853         * tree.c (get_unsigned_type): New.
15854         (unsigned_type_for): Use get_unsigned_type instead of
15855         lang_hooks.types.unsigned_type.
15856
15857 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
15858
15859         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
15860         to m68k_get_function_kind.  Update its prototype.
15861         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
15862         interrupt_thread.
15863         (m68k_interrupt_function_p): Return enum m68k_function_type
15864         instead of bool.  Rename to m68k_get_function_kind.
15865         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
15866         target is not fido.
15867         (m68k_compute_frame_layout): Don't mark any register for save
15868         if an interrupt_thread attribute is specified.
15869         (m68k_hard_regno_rename_ok): Update a use of
15870         m68k_interrupt_function_p.
15871         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
15872         m68k_interrupt_function_p.
15873         (m68k_function_type): New.
15874         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
15875         for a function with an interrupt_thread attribute.
15876         * doc/extend.texi: Document the interrupt_thread attribute.
15877
15878 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
15879
15880         Fix PR tree-optimization/31911
15881         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
15882         if they didn't change the expression.
15883
15884 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
15885
15886         * tree-scalar-evolution.c (resolve_mixers): Exported.
15887         * tree-scalar-evolution.h (resolve_mixers): Declare.
15888         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
15889         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
15890         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
15891         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15892         init_array_ref, init_pointer_ref, analyze_indirect_ref,
15893         strip_conversion, analyze_offset_expr, address_analysis,
15894         object_analysis, analyze_offset): Removed.
15895         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
15896         split_constant_offset, canonicalize_base_object_address,
15897         object_address_invariant_in_loop_p, disjoint_objects_p,
15898         dr_may_alias_p, dr_address_invariant_p): New functions.
15899         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
15900         and dr_analyze_alias.
15901         (initialize_data_dependence_relation): Use dr_may_alias_p
15902         and object_address_invariant_in_loop_p.
15903         (compute_self_dependence): Handle the case when
15904         DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
15905         (find_data_references_in_stmt): Restrict the analysis of data
15906         references to the given loop nest.
15907         (find_data_references_in_loop): Made static.  Pass loop nest to
15908         find_data_references_in_stmt.
15909         (compute_data_dependences_for_loop): Use DR_VOPS.
15910         (free_data_ref): Free DR_VOPS.
15911         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
15912         (struct innermost_loop_behavior): ... new.
15913         (struct base_object_info): Replaced by ...
15914         (struct indices): ... new.
15915         (struct dr_alias): New.
15916         (enum data_ref_type): Removed.
15917         (struct data_reference): Consist of struct innermost_loop_behavior,
15918         struct indices and struct dr_alias.
15919         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
15920         (DR_MEMTAG): Renamed to ...
15921         (DR_SYMBOL_TAG): ... this.
15922         (find_data_references_in_loop): Declaration removed.
15923         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
15924         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
15925         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
15926         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
15927
15928 2007-05-13  Revital Eres  <eres@il.ibm.com>
15929
15930         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
15931         which walks virtual def-use chains to find redundant stores.
15932         (dse_optimize_stmt): Call it.
15933
15934 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15935
15936         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
15937         * passes.c (init_optimization_passes): Move pass_jump_bypass
15938         after loop2.
15939
15940         * basic-block.h (bb_has_eh_pred): Fix style issue.
15941
15942 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
15943
15944         PR rtl-optimization/31848
15945         * loop-invariant.c (move_invariant_reg): If we move an insn
15946         with a REG_EQUAL note, and that insn is not always executed,
15947         remove the REG_EQUAL note.
15948
15949 2007-05-12  Richard Guenther  <rguenther@suse.de>
15950
15951         PR tree-optimization/31797
15952         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
15953         propagate into a stmt that has volatile ops.
15954
15955 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
15956
15957         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
15958         (gcc_tooldir): Likewise.
15959         * configure: Regenerate.
15960         * Makefile.in (libsubdir_to_prefix): New variable, based on the
15961         old configure.ac gcc_tooldir setting.
15962         (prefix_to_exec_prefix): New variable.
15963         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
15964         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
15965
15966 2007-05-11  Silvius Rus  <rus@google.com>
15967
15968         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15969         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
15970         * c-common.h (strict_aliasing_warning): Change return type.
15971         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
15972         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
15973         (build_c_cast): Condition call to strict_aliasing_warning.
15974         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
15975         * flags.h (set_Wstrict_aliasing): Declare.
15976         * opts.c (set_Wstrict_alising): Define, add call to.
15977         * tree-flow.h (strict_aliasing_warning_backend): Declare.
15978         * tree-ssa-alias-warnings.c: New file.
15979         * tree-ssa-alias.c (compute_may_aliases): Add call to
15980         strict_aliasing_warning_backend.
15981
15982 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
15983
15984         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
15985         Use loop_depth and loop_outer accessor functions.
15986         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
15987         determine_invariantness_stmt, move_computations_stmt): Ditto.
15988         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
15989         add_loop, loopify, unloop, fix_loop_structure): Ditto.
15990         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
15991         * tree-scalar-evolution.c (interpret_loop_phi,
15992         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
15993         instantiate_parameters_1, scev_const_prop): Ditto.
15994         * cfghooks.c (make_forwarder_block): Ditto.
15995         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
15996         * modulo-sched.c (loop_canon_p): Ditto.
15997         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
15998         slpeel_can_duplicate_loop_p): Ditto.
15999         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
16000         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
16001         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
16002         cancel_loop, verify_loop_structure): Ditto.
16003         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
16004         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
16005         superloops vector instead of "pred" array.
16006         (establish_preds): Take father loop as an argument.  Initialize the
16007         superloops vector.
16008         (flow_loop_tree_node_add): Pass father loop to establish_preds.
16009         Do not initialize loop->outer.
16010         (flow_loop_tree_node_remove): Truncate the superloops vector.
16011         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
16012         "pred" merged to "superloops" vector.
16013         (loop_depth, loop_outer): New.
16014         (fel_init): Use loop_outer.
16015
16016 2007-05-11  Jan Hubicka  <jh@suse.cz>
16017
16018         * cgraphunit.c: Include gt-cgraphunit.h
16019         (static_ctors, static_dtors): New static vars.
16020         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
16021         based on implementation in c-common.c
16022         (cgraph_finalize_function): Call record_cdtor_fn.
16023         (cgraph_optimize): Call cgraph_build_cdtor_fns.
16024         * decl.c (finish_function): Do not call c_record_cdtor_fn.
16025         (c_write_global_declarations): Do not call c_build_cdtor_fns.
16026         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
16027         build_cdtor, c_build_cdtor_fns): Remove.
16028         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
16029         c_build_cdtor_fns): Remove prototype.
16030
16031 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
16032
16033         PR other/31852
16034         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
16035         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
16036         * builtins.c (fold_builtin_memchr): New.
16037         (expand_builtin_memchr): Call the latter.
16038         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
16039         * doc/extend.texi ([Other built-in functions provided by GCC]):
16040         Document memchr.
16041
16042 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
16043
16044         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
16045         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
16046         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
16047         PFPO_OP1_TYPE_SHIFT): Constants added.
16048         (DFP_ALL): Mode macro defined.
16049         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
16050         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
16051         Insn definitions added.
16052         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
16053         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
16054         Expanders added.
16055
16056 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
16057
16058         PR tree-optimization/31885
16059         * tree-chrec.c (chrec_contains_undetermined): Do not consider
16060         NULL_TREE to be undetermined.
16061         (automatically_generated_chrec_p): Return false for NULL.
16062
16063 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16064
16065         * config/bfin/bfin.h (MOVE_RATIO): Define.
16066
16067 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
16068
16069         * config.gcc (sparc-wrs-vxworks): New target.
16070         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
16071         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
16072         * config/sparc/sparc.h: Include vxworks-dummy.h.
16073         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
16074         include LABEL_REFs too.
16075         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
16076         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
16077         VxWorks.
16078         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
16079         on VxWorks.
16080         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
16081         (sparc_emit_call_insn): New function.
16082         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
16083         functions when generating VxWorks PIC.
16084         * config/sparc/sparc.md (vxworks_load_got): New pattern.
16085         (call, call_value): Use sparc_emit_call_insn instead of
16086         emit_call_insn.
16087
16088 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16089
16090         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
16091
16092 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
16093
16094         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
16095         for floating-point values if HOST_BITS_PER_LONG > 32.  Use
16096         split_double instead of operand_subword.
16097
16098 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
16099
16100         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
16101         * config/bfin/bfin.c (bfin_local_alignment): New function.
16102         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
16103
16104 2007-05-08  Chao-ying Fu  <fu@mips.com>
16105
16106         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
16107         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
16108         (smsub_widen_optab, umsub_widen_optab): Define.
16109         * optabs.c (init_optabs): Initialize smsub_widen_optab and
16110         umsub_widen_optab.
16111         * genopinit.c (optabs): Fill in smsub_widen_optab and
16112         umsub_widen_optab.
16113         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
16114         and umsub_widen_optab to implement multiply-subtract sequences.
16115         * config/mips/mips.md (*msac<u>_di): Rename to...
16116         (<u>msubsidi4): ...this.  Extend condition to include
16117         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
16118         of operand 0 to "ka" and use the three-operand form of msub<u>
16119         for TARGET_DSPR2.
16120         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
16121         to define_expands.
16122
16123 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
16124
16125         PR rtl-optimization/28011
16126         * reload.c (push_reload): Set dont_share if IN appears in OUT
16127         also when IN is a PLUS rtx.
16128         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
16129         are same PLUS rtx.
16130
16131 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
16132
16133         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
16134         call unshare_all_decls.
16135         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
16136         (unshare_all_decls): Remove.
16137
16138 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
16139
16140         PR 31847
16141         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
16142         dumps.
16143
16144 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
16145             Nigel Stephens  <nigel@mips.com>
16146
16147         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
16148         Update comments and all uses.
16149         (MIN_FPRS_PER_FMT): Define.
16150         * config/mips/mips.c (function_arg): Fix to correctly handle
16151         the -mips32r2 -mfp64 -mabi=32 case.
16152         (override_options): Enable use of odd-numbered registers for
16153         SFmode values on MIPS32.
16154         (mips_save_reg_p): Save whole floating-point register pair if
16155         either half is used.
16156         (compute_frame_size): Fix comment.
16157
16158 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
16159
16160         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
16161         argument of type bool.
16162         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
16163         argument. Safely select temporary P register according to it.
16164         (do_link): Change call site of add_to_reg accordingly.
16165         (do_unlink): Add epilogue_p as a fourth argument and pass it
16166         to add_to_reg.
16167         (expand_interrupt_handler_epilogue): Change call of do_unlink
16168         accordingly.
16169         (bfin_expand_prologue): Add a third argument sibcall_p.
16170         * config/bfin/bfin.md (epilogue): Change call of
16171         bfin_expand_epilogue accordingly.
16172         (sibcall_epilogue): Likewise.
16173         (eh_return_internal): Likewise.
16174
16175         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
16176         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
16177         * config/bfin/bfin.c (bfin_handle_option): Handle
16178         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
16179         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
16180         Support bf534, bf536 and bf561.
16181         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
16182
16183 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
16184
16185         PR target/31854
16186         * config/i386/i386.c (ix86_function_regparm): Process local
16187         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
16188
16189 2007-05-07  Mike Stump  <mrs@apple.com>
16190
16191         * doc/invoke.texi (Warning Options): Document that -Wempty-body
16192         also checks for and while statements in C++.
16193
16194 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
16195
16196         * gcc.c (at_file_supplied): New variable.
16197         (main): Set it if we expanded argv.
16198         (do_spec_1): Pass an @-file to the linker if we were called with
16199         an @-file argument and HAVE_GNU_LD.
16200         * collect2.c (at_file_supplied): New variable.
16201         (response_file): New variable.
16202         (collect_exit): Unlink response_file if necessary.
16203         (handler): Likewise.
16204         (do_wait): Likewise.
16205         (main): Set at_file_supplied if we expanded argv.
16206         (collect_execute): Pass an @-file to subprocesses if we were called
16207         with an @-file argument.
16208         * configure.ac: Add define for HAVE_GNU_LD.
16209         * configure: Regenerate.
16210         * config.in: Regenerate.
16211
16212 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
16213
16214         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
16215         operand to HI mode.
16216         (mulsi3): New.
16217         (divsi3): New.
16218         (udivsi3): New.
16219
16220 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
16221
16222         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
16223         (TARGET_ENCODE_SECTION_INFO): Re-define.
16224         (m32c_encode_section_info): New
16225         (function_vector_handler): New
16226         (current_function_special_page_vector): New
16227         (m32c_special_page_vector_p): New.
16228         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
16229         Prototype.
16230         * config/m32c/jump.md: Added instruction JSRS for functions
16231         with attribute "function_vector".
16232         * doc/extend.texi (function_vector): Added description
16233         for M16C, M32C targets.
16234
16235 2007-05-07  DJ Delorie  <dj@redhat.com>
16236
16237         PR 31794
16238         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
16239         ashrpsi3, lshrpsi3): Update shift count constraint.
16240
16241 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
16242             Nathan Froyd  <froydnj@codesourcery.com>
16243
16244         PR 22133
16245         * c-incpath.c (add_path): Strip trailing path separators.
16246
16247 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
16248
16249         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
16250         Free dominance info before purging EH edges.
16251         (eliminate_degenerate_phis): Likewise.
16252         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
16253
16254 2007-05-07  Jan Hubicka  <jh@suse.cz>
16255
16256         * gimplify.c (gimplify_expr): Do not crash when folding
16257         (void *)(int)&a + 4.
16258
16259 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16260
16261         PR driver/31694
16262         * c-opts.c (lang_fortran): Make it non static.
16263         * c-common.h (lang_fortran): New prototype.
16264         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
16265         -lang-fortran option was passed by the driver.
16266
16267 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
16268
16269         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
16270         of ASSERT_CHECKING.  Tweak message.
16271
16272 2007-05-06  Revital Eres  <eres@il.ibm.com>
16273
16274         PR 30957
16275         * loop-unroll.c (insert_var_expansion_initialization):
16276         Initialize the expansions with -zero instead of +zero.
16277
16278 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
16279
16280         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
16281         into pic and non-pic versions. Mark r19 as used for
16282         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
16283         for tgd_load, tld_load and tie_load .
16284         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
16285         version of tgd_load, tld_load and tie_load depending on the
16286         value of flag_pic.
16287
16288 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
16289             Jakub Jelinek  <jakub@redhat.com>
16290
16291         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
16292         (__do_global_dtors_aux): Use more paranoid loop to run
16293         destructors if HIDDEN_DTOR_LIST_END.
16294         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
16295
16296 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
16297
16298         * varasm.c (align_variable): Don't increase alignment for
16299         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
16300         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
16301
16302 2007-05-04  Josh Conner  <jconner@apple.com>
16303
16304         * basic-block.h (cdi_direction): Assign values to all enumeration
16305         constants.
16306         (dom_computed): Remove.
16307         (dom_info_state): New.
16308         (set_dom_info_availability): New.
16309         * tree-ssa-loop-im.c (determine_invariantness): Initialize
16310         walk_data.dom_direction.
16311         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
16312         instead of dom_computed[].
16313         (split_edge): Likewise.
16314         (create_basic_block): Likewise.
16315         (merge_blocks): Likewise.
16316         * ifcvt.c (find_if_header): Likewise.
16317         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
16318         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16319         * tree-ssa.c (verify_ssa): Likewise.
16320         * tree-cfg.c (tree_verify_flow_info): Likewise.
16321         (remove_edge_and_dominated_blocks): Likewise.
16322         * dominance.c (dom_computed): Make static.
16323         (calc_dfs_tree_nonrec): Change third param to a bool.
16324         (calc_dfs_tree): Change second param to a bool.
16325         (calc_idioms): Change second param to a bool.  Use
16326         dom_convert_dir_to_idx.
16327         (init_dom_info): Validate dir before using.
16328         (dom_convert_dir_to_idx): New.
16329         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
16330         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
16331         (free_dominance_info): Use dom_convert_dir_to_idx.
16332         (get_immediate_dominator): Likewise.
16333         (set_immediate_dominator): Likewise.
16334         (get_dominated_by): Likewise.
16335         (redirect_immediate_dominators): Likewise.
16336         (nearest_common_denominator): Likewise.
16337         (dominated_by_p): Likewise.
16338         (bb_dom_dfs_in): Likewise.
16339         (bb_dom_dfs_out): Likewise.
16340         (recount_dominator): Likewise.
16341         (iterate_fix_dominators): Likewise.
16342         (add_to_dominance_info): Likewise.
16343         (delete_from_dominance_info): Likewise.
16344         (first_dom_son): Likewise.
16345         (next_dom_son): Likewise.
16346         (dom_info_available_p): Likewise.
16347         (dom_info_state): New.
16348         (set_dom_info_availability): New.
16349
16350 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16351
16352         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
16353         Expander removed.
16354         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
16355
16356 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
16357
16358         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
16359         (subdi3, subdi_carry): Delete.
16360
16361 2007-05-04  Jan Hubicka  <jh@suse.cz>
16362             Richard Guenther  <rguenther@suse.de>
16363
16364         * opts.c (decode_options): Do not fiddle with inlining
16365         parameters in case of optimizing for size.
16366         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
16367         for size do nothing.
16368         (cgraph_decide_inlining_of_small_function): When optimizing for
16369         size never inline functions increasing caller size.
16370         (cgraph_early_inlining): Inline for size when optimizing for size.
16371
16372 2007-05-04  Bernd Schmidt  <bernd.schmidt@analog.com>
16373
16374         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
16375         logical operations piecewise.
16376         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
16377         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
16378         subdi_sesidi_di): Delete.
16379         (add_with_carry): Produce carry in CC instead of a DREG to shorten
16380         the generated sequence.  Allow three-reg add in constraints.  Rewrite
16381         the rtl expression for carry to avoid zero_extend of a constant.
16382         (sub_with_carry): New pattern.
16383         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
16384         different sequence not involving jumps.
16385         (notbi): Now a named pattern.
16386
16387 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
16388
16389         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
16390         Add the note about a significant loss of accuracy of some
16391         mathematical routines when these options are used.
16392
16393 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16394
16395         * haifa-sched.c (rtx_vec_t): New typedef.
16396         (contributes_to_priority_p): Extract piece of priority () into new
16397         static function.
16398         (priority): Use the function.  Add assertion.
16399         (rank_for_schedule, set_priorities): Add assertion to check that
16400         insn's priority is initialized.
16401         (clear_priorities, calc_priorities): Change signature.  Make it update
16402         all relevant insns.  Update all callers ('add_to_speculative_block ()'
16403         and 'create_block_check_twin ()').
16404         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
16405         Add new field 'priority_status'.
16406         (INSN_PRIORITY_STATUS): New macro.
16407         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
16408
16409 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
16410
16411         * sched-ebb.c (debug_ebb_dependencies): New static function.
16412         (init_ready_list): Use it.
16413
16414         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
16415         with changed signature and 'debug_rgn_dependencies ()'.
16416         (debug_rgn_dependencies): New static function.
16417         (init_ready_list): Use it.
16418
16419         * sched-int.h (debug_dependencies): Declare.
16420
16421 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
16422
16423         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
16424
16425 2007-05-04  Dirk Mueller  <dmueller@suse.de>
16426
16427         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
16428
16429 2007-05-03  Jan Hubicka  <jh@suse.cz>
16430
16431         * fold-const.c (fold_unary): Convert (T1)(X op Y) into
16432         ((T1)X op (T1)Y), for pointer type in more cases than before.
16433
16434         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
16435
16436         * tree-object-size.c (plus_expr_object_size): When operand size is
16437         unknown, return unknown.
16438
16439 2007-05-03  Dirk Mueller  <dmueller@suse.de>
16440
16441         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
16442
16443         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
16444         options.
16445
16446         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
16447
16448 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
16449
16450         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
16451
16452 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
16453
16454         * config/soft-fp/double.h, config/soft-fp/extended.h,
16455         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
16456         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
16457         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
16458         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
16459         glibc CVS.
16460
16461 2007-05-03  Ian Lance Taylor  <iant@google.com>
16462
16463         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
16464         MASK_PPC_GFXOPT for 8540 or 8548.
16465
16466 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16467
16468         * tree-vect-transform.c (vect_update_inits_of_drs): Use
16469         vect_print_dump_info() to output debug information.
16470
16471 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
16472
16473         PR target/31768
16474         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
16475         operands of size 2 when operand is not MEM_P.
16476
16477 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16478
16479         PR tree-optimization/30565
16480         * lambda-code.c (perfect_nestify): Fix updating of dominators.
16481
16482 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
16483
16484         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
16485         (umulsi3_highpart): Use them.
16486         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
16487         for final accumulator to D regisster tranfser.
16488
16489 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
16490
16491         PR tree-optimization/31699
16492         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
16493         wrong code.
16494         (vect_enhance_data_refs_alignment): Compute peel amount using
16495         TYPE_VECTOR_SUBPARTS instead of vf.
16496         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
16497
16498 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
16499
16500         PR bootstrap/31776
16501         * system.h: Remove inclusion of double-int.h
16502         * tree.h: Include double-int.h
16503         * gengtype.c: Likewise
16504         * cfgloop.h: Likewise
16505         * Makefile.in: Adjust dependencies on double-int.h
16506
16507 2007-05-02  Eric Christopher  <echristo@apple.com>
16508
16509         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
16510         -shared to -Zdynamiclib.
16511
16512 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
16513
16514         PR c++/31663
16515         * c-common.c (strip_pointer_or_array_types): New function.
16516         * c-common.h (strip_pointer_or_array_types): New function declaration.
16517
16518 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
16519
16520         PR tree-optimization/31771
16521         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
16522
16523 2007-05-02  Paul Brook  <paul@codesourcery.com>
16524
16525         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
16526
16527 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16528
16529         PR middle-end/29715
16530         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
16531         transformation.
16532
16533 2007-05-02  Nick Clifton  <nickc@redhat.com>
16534
16535         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
16536
16537 2007-05-02  Richard Guenther  <rguenther@suse.de>
16538
16539         PR tree-optimization/31146
16540         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
16541         argument, single_use_p.  If we have a single use that is
16542         a conversion to the definition rhs type, propagate that rhs.
16543         (forward_propagate_addr_expr): Pass single_use_p argument
16544         to forward_propagate_addr_expr_1.
16545
16546 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
16547
16548         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
16549         variable.
16550
16551 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16552
16553         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
16554         'AMD Family 10 core'.
16555
16556 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16557
16558         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
16559         and athlon64-sse3 as improved versions of k8, opteron and athlon64
16560         with SSE3 instruction set support.
16561         * doc/invoke.texi: Likewise.
16562
16563 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
16564
16565         * config/i386/i386.c (override_options): Tuning 32-byte loop
16566         alignment for amdfam10 architecture. Increasing the max loop
16567         alignment to 24 bytes.
16568
16569 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
16570
16571         * config/m68k/constraints.md: New.
16572         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
16573         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
16574         EXTRA_CONSTRAINT): Remove.
16575         * config/m68k/m68k.md: Include constraints.md.
16576         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
16577
16578 2007-05-01  Ian Lance Taylor  <iant@google.com>
16579
16580         PR tree-optimization/31739
16581         * tree-vrp.c (vrp_val_is_max): New static function.
16582         (vrp_val_is_min): New static function.
16583         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
16584         copying the node.
16585         (set_value_range): Use vrp_val_is_{max,min}.
16586         (extract_range_from_assert): Likewise.
16587         (extract_range_from_binary_expr): Likewise.
16588         (extract_range_from_unary_expr): Likewise.
16589         (dump_value_range, vrp_meet): Likewise.
16590         (vrp_visit_phi_node): Likewise.
16591         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
16592
16593 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
16594
16595         * config/i386/gmon-sol2.c (size_t): New type.
16596         (intptr_t): Likewise.
16597         (s_textsize): Declare as size_t.
16598         (sbrk): Declare.
16599         (monstartup): Use size_t for sizes.
16600         (_mcount): Save and restore registers.
16601         (internal_mcount): Pass 0 as the first argument to monstartup
16602         in 64-bit mode.
16603         (moncontrol): Convert pointer to appropriately sized integer
16604         before passing to profil.
16605
16606 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16607
16608         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
16609         __NO_FPRS__, not just if _SOFT_DOUBLE.
16610         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
16611         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
16612         also for E500 double.
16613         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
16614         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
16615         && !TARGET_FPRS).
16616
16617 2007-05-01  Richard Guenther  <rguenther@suse.de>
16618
16619         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
16620         is NULL.
16621
16622 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
16623
16624         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
16625
16626 2007-05-01  Jan Hubicka  <jh@suse.cz>
16627
16628         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
16629         invariant.
16630
16631 2007-05-01  Jan Hubicka  <jh@suse.cz>
16632
16633         * tree.h (maybe_fold_offset_to_component_ref): Remove.
16634         (maybe_fold_offset_to_reference): Declare.
16635         * fold-const.c (fold_unary): Do not fold
16636         (type *)&A into &A->field_of_type_and_offset_0
16637         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
16638         size is unknown, give up.
16639         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
16640         offsets.
16641         (maybe_fold_offset_to_reference): New.
16642         (maybe_fold_stmt_indirect): Use it.
16643         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
16644         * gimplify.c (gimplify_conversion): Canonicalize conversions to
16645         field references.
16646         (gimplify_expr): Likewise for plus_expr.
16647
16648 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
16649
16650         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
16651         bsi_after_labels.  Always insert statements before bsi.
16652         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
16653         * predict.c (apply_return_prediction): Check for empty blocks.
16654         * cfgexpand.c (lab_rtx_for_bb): New variable.
16655         (label_rtx_for_bb): Do not create new tree labels.
16656         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
16657         (tree_expand_cfg): Initialize lab_rtx_for_bb.
16658         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
16659         creating edges.
16660         (label_for_bb): Add field used.
16661         (update_eh_label, main_block_label): Mark the label used.
16662         (cleanup_dead_labels): Remove unused labels.
16663
16664 2007-05-01  Richard Guenther  <rguenther@suse.de>
16665
16666         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
16667         if it is not about to be set.
16668         (get_value_range): Do not pre-allocate equiv bitmap.
16669         (update_value_range): No need to clear equiv field.
16670         (add_equivalence): Change prototype to get bitmap pointer.
16671         Allocate bitmap here if it is not already.
16672         (extract_range_from_assert): Do not allocate bitmap here.
16673         Update callers to add_equivalence.
16674         (extract_range_from_ssa_name): Likewise.
16675         (get_vr_for_comparison): New static helper.
16676         (compare_name_with_value): Handle NULL equiv bitmap by
16677         peeling the first iteration of the comparison loop.
16678         Use get_vr_for_comparison.
16679         (compare_names): Handle NULL equiv bitmaps by using fake
16680         ones.  Use get_vr_for_comparison.
16681
16682 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
16683
16684         * double-int.c (mpz_set_double_int): Moved from
16685         tree-ssa-loop-niter.c.
16686         (mpz_get_double_int): Likewise; also, add option to wrap
16687         out-of-range integers.
16688         * double-int.h: New prototypes for above.
16689         * tree.c (get_static_type_bounds): Moved from
16690         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
16691         TYPE_MAX_VALUE if they exist..
16692         * tree.h: New prototype for above.
16693         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
16694         get_type_bounds calls.
16695         (mpz_set_double_int): Move to double-int.c.
16696         (get_type_bounds): Move to tree.c, rename to
16697         get_static_type_bounds.
16698         (mpz_to_double_int): Move to double-int.c, rename to
16699         mpz_get_double_int.
16700
16701 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
16702
16703         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
16704         DIV0 exception can fall through to a normal return.
16705
16706 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
16707
16708         PR middle-end/22156
16709         Temporarily revert:
16710         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
16711         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
16712         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16713         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
16714         initialize align to silence bogus warning.
16715         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
16716         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
16717         all_no_warning.
16718         (struct sra_walk_fns): Remove use_all parameter from use.
16719         (sra_hash_tree): Handle BIT_FIELD_REFs.
16720         (sra_elt_hash): Don't hash bitfld blocks.
16721         (sra_elt_eq): Skip them in parent compares as well.  Handle
16722         BIT_FIELD_REFs.
16723         (sra_walk_expr): Don't maintain or pass down use_all_p.
16724         (scan_use): Remove use_all parameter.
16725         (scalarize_use): Likewise.  Re-expand assignment to
16726         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
16727         output, and re-scalarize after output.  Don't mark anything
16728         for no warning.
16729         (scalarize_ldst): Adjust.
16730         (scalarize_walk_gimple_modify_statement): Likewise.
16731         (build_element_name_1): Handle BIT_FIELD_REFs.
16732         (instantiate_element): Don't warn for any element whose parent
16733         is used as a whole.
16734         (instantiate_missing_elements_1): Return the sra_elt.
16735         (canon_type_for_field): New.
16736         (try_instantiate_multiple_fields): New.
16737         (instantiate_missing_elemnts): Use them.
16738         (mark_no_warning): Removed.
16739         (generate_one_element_ref): Handle BIT_FIELD_REFs.
16740         (REPLDUP, sra_build_elt_assignment): New.
16741         (generate_copy_inout): Use them.
16742         (generate_element_copy): Likewise.  Handle bitfld differences.
16743         (generate_element_zero): Don't recurse for blocks.  Use
16744         sra_build_elt_assignment.
16745         (generate_one_element_int): Take elt instead of var.  Use
16746         sra_build_elt_assignment.
16747         (generate_element_init_1): Adjust.
16748         (scalarize_use, scalarize_copy): Use REPLDUP.
16749         (scalarize_ldst): Move assert before dereference.
16750         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
16751
16752 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16753
16754         PR C++/31721
16755         * tree.c (reconstruct_complex_type): Reconstruct a reference
16756         correctly.
16757         Also use the same mode for the pointer as the old pointer type.
16758
16759 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
16760
16761         * doc/trouble.texi (Interoperation): Remove note about Ultrix
16762         Fortran compiler.
16763
16764 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
16765
16766         PR rtl-optimization/31676
16767         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
16768         (df_refs_record): Call it.
16769
16770 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
16771
16772         * rtl.def (SS_ABS): New code.
16773         * config/bfin/bfin.c (print_operand): New modifier 'v'.
16774         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
16775         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
16776         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
16777         (bfin_init_builtins): Define them.
16778         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
16779         (bfin_expand_builtin): ... and handle the others here.
16780         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
16781         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
16782         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
16783         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
16784         operand is only HImode.
16785
16786 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
16787
16788         * regclass.c (scan_one_insn): Remove splitting of
16789         two address insns.
16790
16791 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
16792             Nigel Stephens  <nigel@mips.com>
16793
16794         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
16795
16796 2007-04-28  Jan Hubicka  <jh@suse.cz>
16797
16798         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
16799         insn_locators_alloc instead of insn_locators_initialize;
16800         call reset_block_changes.
16801         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16802         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
16803         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
16804         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
16805         * config/score/score.c (th_output_mi_thunk): Likewise.
16806         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
16807         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
16808         tolerate uninitialized locator info.
16809
16810         Re-apply:
16811         * function.c (init_function_start): Don't init line number info.
16812         (expand_function_end): Update.
16813         (reset_block_changes, record_block_change, finalize_block_changes,
16814         check_block_change, free_block_changes): Kill.
16815         * function.h (reset_block_changes, record_block_change,
16816         finalize_block_changes, check_block_change, free_block_changes):
16817         Remove prototypes.
16818         (struct function): Remove ib_boundaries_block.
16819         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
16820         Use curr_insn_locator to initialize locator.
16821         (emit_line_note): Remove.
16822         * cfgexpand.c (expand_gimple_cond_expr): Update.
16823         (construct_exit_block): Likewise.
16824         (tree_expand_cfg): Initialize/finalize locators.
16825         * expr.c (expand_expr_real): Update.
16826         * cfglayout.c (line_locators_locs, line_locators_lines,
16827         file_locators_locs, file_locators_files): Remove.
16828         (set_block_levels): Move to cfgexpand.c.
16829         (insn_locators_initialize): Remove.
16830         (pass_insn_locators_initialize): Remove.
16831         (locations_locators_locs, locations_locators_vals): New static vars.
16832         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
16833         Likewise.
16834         (insn_locators_alloc, insn_locators_finalize,
16835         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16836         New functions.
16837         (locator_location): New.
16838         (locator_line, locator_file): Rewrite.
16839         * rtl.h (emit_line_note): Kill.
16840         (insn_locators_alloc, insn_locators_finalize,
16841         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
16842         Declare.
16843         * tree-inline.c (initialize_cfun): Do not initialize
16844         ib_boundaries_block.
16845         * passes.c (pass_insn_locators_initialize): Remove.
16846
16847 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
16848
16849         * tree-cfg.c (move_block_to_fn): Release bb from dominance
16850         info.  Update last_basic_block correctly.
16851
16852 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
16853
16854         PR target/31701
16855         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
16856         register itself to hold the offset constant.  Tell flow the use
16857         of r4 and r5 when they are used.
16858
16859 2007-04-27  Richard Guenther  <rguenther@suse.de>
16860
16861         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
16862         if we simplified anything.
16863         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
16864         warnings until we did a simplification and the stmt was not
16865         marked as TREE_NO_WARNING.
16866
16867 2007-04-27  Mike Stump  <mrs@apple.com>
16868
16869         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
16870
16871 2007-04-27  Ian Lance Taylor  <iant@google.com>
16872
16873         PR middle-end/31710
16874         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
16875         TYPE_MAX_VALUE exist, convert them to the new type.
16876
16877 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16878
16879         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
16880         if it claims to be available.
16881         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
16882         edge is redirected.
16883         (perform_tree_ssa_dce): Always free postdominators.
16884
16885 2007-04-27  Richard Henderson  <rth@redhat.com>
16886
16887         * config/alpha/predicates.md (aligned_memory_operand): Mark
16888         as define_special_predicate.
16889         (unaligned_memory_operand, normal_memory_operand): Likewise.
16890         (reg_or_unaligned_mem_operand): Remove.
16891         (any_memory_operand): Match the documentation and check for
16892         non-renumbered pseudos during reload.
16893         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
16894         alpha_secondary_reload_class, update to new interface, make static.
16895         Handle CQImode like HImode.  Remove FP subreg check.
16896         (alpha_expand_mov): Use replace_equiv_address.
16897         (alpha_expand_mov_nobwx): Use any_memory_operand.
16898         (TARGET_SECONDARY_RELOAD): New.
16899         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
16900         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
16901         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
16902         * config/alpha/alpha.md: ... here.
16903         (RELOAD12, reloadmode): New.
16904         (movcqi): New.
16905         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
16906         Don't handle the aligned case here.
16907         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
16908         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
16909         reload_inhi_help.  Don't expect a scratch register.
16910         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
16911         reload_outhi_help.
16912         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
16913
16914 2007-04-27  Richard Guenther  <rguenther@suse.de>
16915
16916         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
16917
16918 2007-04-27  Richard Guenther  <rguenther@suse.de>
16919
16920         PR tree-optimization/30965
16921         PR tree-optimization/30978
16922         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
16923         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
16924         (find_equivalent_equality_comparison): Likewise.
16925         (simplify_cond): Likewise.
16926         (get_prop_source_stmt): New helper.
16927         (get_prop_dest_stmt): Likewise.
16928         (can_propagate_from): Likewise.
16929         (remove_prop_source_from_use): Likewise.
16930         (combine_cond_expr_cond): Likewise.
16931         (forward_propagate_comparison): New function.
16932         (forward_propagate_into_cond): Rewrite to use fold for
16933         tree combining.
16934         (tree_ssa_forward_propagate_single_use_vars): Call
16935         forward_propagate_comparison to propagate comparisons.
16936
16937 2007-04-27  Richard Guenther  <rguenther@suse.de>
16938
16939         PR tree-optimization/31715
16940         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
16941         sure to do computation on the offset in an appropriate
16942         signed type.
16943
16944 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
16945
16946         * reload.h (elimination_target_reg_p): Declare.
16947         * reload.c (find_reloads): Don't apply the reg_rtx move
16948         optimization if the SET_DEST satisfies elimination_target_reg_p.
16949         * reload1.c (elimination_target_reg_p): New function.
16950         (gen_reload): In the move/add2 fallback, make sure that op0
16951         does not overlap the destination register.
16952
16953 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
16954
16955         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
16956         transform only GIMPLE_MODIFY_STMTs.
16957         * tree-complex.c (expand_complex_operations_1): Ditto.
16958         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
16959         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
16960         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
16961         branches.
16962         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
16963         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
16964         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
16965         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
16966         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
16967         slpeel_add_loop_guard): Ditto.
16968         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16969         * lambda-code.c (perfect_nestify): Ditto.
16970         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
16971         before the first statement.
16972         * tree-optimize.c (execute_free_datastructures): Fix comments.
16973         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
16974         * tree-flow.h (disband_implicit_edges): Declaration removed.
16975         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
16976         branches.
16977         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
16978         COND_EXPRs without gotos.
16979         (disband_implicit_edges, has_label_p): Removed.
16980         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
16981         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
16982         branches.
16983         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
16984         side effects.
16985         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
16986         also for COND_EXPRs.
16987         * cfgexpand.c (label_rtx_for_bb): New function.
16988         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
16989         Use label_rtx_for_bb to find the labels.
16990         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
16991         last block.  Detect fallthru edges.
16992
16993 2007-04-26  Ian Lance Taylor  <iant@google.com>
16994
16995         PR target/28675
16996         * reload.c (find_reloads_subreg_address): If the address was valid
16997         in the original mode but not in the new mode, reload the whole
16998         address.
16999
17000 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
17001
17002         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
17003         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
17004         (cleanup_control_expr_graph): Do not invalidate dominance info.
17005         Record altered blocks.
17006         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
17007         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
17008         cleanup_tree_cfg_bb): New functions.
17009         (remove_forwarder_block): Do not maintain the worklist of blocks.
17010         Record altered blocks.
17011         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
17012         not over whole cfg.
17013         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
17014         delete_unreachable_blocks if dominators are not available.
17015         * tree-inline.c (optimize_inline_calls): Free dominance information
17016         earlier.
17017         * tree-flow.h (remove_edge_and_dominated_blocks,
17018         cfgcleanup_altered_bbs): Altered.
17019         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
17020         blocks.
17021         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
17022         functions.
17023         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
17024         do not invalidate dominators.
17025
17026 2007-04-26  Anatoly Sokolov <aesok@post.ru>
17027
17028         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
17029         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
17030         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
17031         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
17032
17033 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
17034
17035         * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
17036
17037 2007-04-26  Richard Guenther  <rguenther@suse.de>
17038
17039         PR tree-optimization/31703
17040         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
17041         the right type for the target of the bittest.
17042
17043 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17044
17045         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
17046         ix86_sol10_return_in_memory.
17047
17048 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17049
17050         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
17051         variables.
17052
17053 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
17054
17055         PR c++/31598
17056         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
17057
17058         PR tree-optimization/30558
17059         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
17060         clear this_state.prev_try.
17061
17062 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17063             Mark Mitchell  <mark@codesourcery.com>
17064
17065         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
17066         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
17067         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
17068
17069 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
17070
17071         PR driver/31107
17072         * doc/invoke.texi (%:print-asm-header): Document.
17073         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
17074         and -ftarget-help.
17075         (static_spec_functions): Add print-asm-header.
17076         (main): Print a banner before the --target-help linker options.
17077         (print_asm_header_spec_function): New function.
17078
17079 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
17080
17081         PR target/31403
17082         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
17083         (movsf_ie): Likewise.
17084
17085 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
17086
17087         * doc/extend.texi ([Type Traits]): Adjust per N2255.
17088
17089 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
17090
17091         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
17092         exception for divide-by-zero.
17093         (__umodsi3, __modsi3): Likewise.
17094
17095 2007-04-25  Dirk Mueller  <dmueller@suse.de>
17096
17097         * c-typeck.c (build_compound_expr): Annotate warning()
17098         call with OPT_Wunused_value.
17099         * tree-ssa.c (warn_uninit): Annotate warning with
17100         OPT_Wunintialized.
17101         * c-common.c (handle_sentinel_attribute): Annotate warning
17102         call with OPT_Wattributes.
17103
17104 2007-04-25  Thiemo Seufer  <ths@mips.com>
17105
17106         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
17107         (mips16): Fix typo.
17108         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
17109         on to the assembler.  Improve handling of -mno-mips16.  Add handling
17110         of -mno-mips3d, -mno-dsp, -mno-dspr2.
17111         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
17112         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
17113         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
17114
17115 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
17116
17117         PR target/31680
17118         * config/i386/winnt.c (i386_pe_file_end): Strip only
17119         USER_LABEL_PREFIX when writing export name.
17120
17121 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
17122
17123         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
17124         sh/elf.h, vx-common.h and vxworks.h.
17125         * config/sh/sh.h: Include config/vxworks-dummy.h.
17126         (SUBTARGET_OVERRIDE_OPTIONS): Define.
17127         (OVERRIDE_OPTIONS): Use it.
17128         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
17129         (vxworks_picreg): New pattern.
17130         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
17131         VXWORKS_OS_CPP_BUILTINS.
17132         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
17133         to their VXWORKS_* equivalents.
17134         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
17135         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
17136         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
17137         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
17138         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
17139         -mrtp/-fPIC multilibs.
17140         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
17141         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
17142         (MULTILIB_OSDIRNAMES): Delete.
17143
17144 2007-04-25  Anatoly Sokolov <aesok@post.ru>
17145
17146         PR target/18989
17147         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
17148
17149 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
17150
17151         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
17152         rounding mode to be specified by the caller.
17153         (real_to_mpfr) Likewise.
17154         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
17155         include new arguments.
17156         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
17157
17158 2007-04-24  Ian Lance Taylor  <iant@google.com>
17159
17160         PR tree-optimization/31605
17161         * tree-vrp.c (set_value_range): Check that min and max are not
17162         both overflow infinities.
17163         (set_value_range_to_value): New static function.
17164         (extract_range_from_binary_expr): Call set_value_range_to_value.
17165         (extract_range_from_cond_expr): Likewise.
17166         (extract_range_from_expr): Likewise.
17167         (extract_range_from_unary_expr): Likewise.  Don't create a range
17168         which overflows on both sides.
17169         (vrp_meet): Check for a useless range.
17170         (vrp_visit_phi_node): If we see a constant which looks like an
17171         overflow infinity, turn off the TREE_OVERFLOW flag.
17172
17173 2007-04-24  Ian Lance Taylor  <iant@google.com>
17174
17175         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
17176
17177 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
17178
17179         PR diagnostic/25923
17180         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
17181         diagnostic message is being built.
17182         * tree-pretty-print.c (dump_generic_node): Only write the
17183         formatted text into BUFFER's stream if we are not building a
17184         diagnostic message.
17185         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
17186         dump_generic_node.
17187         * Makefile.in (toplev.o): Depend on tree-pass.h.
17188
17189 2007-04-24  Ian Lance Taylor  <iant@google.com>
17190
17191         PR tree-optimization/31602
17192         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
17193         conditionals in the copied loop header.
17194         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
17195         warnings if TREE_NO_WARNING is set.
17196         * doc/invoke.texi (Warning Options): Clarify that
17197         -Wstrict-overflow does not warn about loops.
17198
17199 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
17200
17201         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
17202         expand on the comment about _Decimal128 arguments and check the
17203         integer result of the modulus operation; for 64-bit ELF ABI, ensure
17204         that _Decimal128 argument uses even/odd register pair.
17205         (function_arg): Ditto.
17206
17207 2007-04-24  Hui-May Chang <hm.chang@apple.com>
17208
17209         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
17210         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
17211
17212 2007-04-24  Richard Guenther  <rguenther@suse.de>
17213             Olga Golovanevsky  <olga@il.ibm.com>
17214
17215         * fold-const.c (multiple_of_p): Check for bottom
17216         to be zero.
17217
17218 2007-04-24  Richard Henderson  <rth@redhat.com>
17219
17220         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
17221         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
17222         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
17223         looking for non-zero bits shifted out.  Avoid a recursive call
17224         when constructing the scalar.
17225         (__floatundisf): Likewise.
17226
17227 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
17228
17229         * dwarf2out.c (field_byte_offset): Move the existing logic
17230         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
17231         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
17232
17233 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17234
17235         PR target/31641
17236         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
17237         length argument of 0 for memset.
17238         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
17239         unsigned shift instead of the signed variant.
17240
17241 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17242
17243         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
17244         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
17245         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
17246         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
17247         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
17248         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
17249         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
17250         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
17251         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
17252         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
17253         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
17254         "mul<mode>3", "div<mode>3"): Insn definitions added.
17255         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
17256         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
17257         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
17258         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
17259         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
17260         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
17261         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
17262         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
17263         TARGET_FLOAT_FORMAT): Macro definitions removed.
17264         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
17265         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
17266         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
17267         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
17268         (s390_gen_rtx_const_DI): Function removed.
17269         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
17270
17271 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
17272
17273         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
17274         over an external ffs function.
17275
17276 2007-04-24  Chao-ying Fu  <fu@mips.com>
17277             Richard Sandiford  <richard@nildram.co.uk>
17278
17279         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
17280         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
17281         (smadd_widen_optab, umadd_widen_optab): Define.
17282         * optabs.c (init_optabs): Initialize smadd_widen_optab and
17283         umadd_widen_optab.
17284         * genopinit.c (optabs): Fill in smadd_widen_optab and
17285         umadd_widen_optab.
17286         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
17287         and umadd_widen_optab to implement multiply-add sequences.
17288         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
17289         (<u>maddsidi4): ...this.  Extend condition to include
17290         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
17291         of operand 0 to "ka" and use the three-operand form of madd<u>
17292         for TARGET_DSPR2.
17293         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
17294         to define_expands.
17295         * config/mips/constraints.md (ka): New register constraint.
17296
17297 2007-04-24  Jan Hubicka  <j@suse.cz>
17298
17299         Revert:
17300
17301         2007-04-23  Jan Hubicka  <jh@suse.cz>
17302         * function.c (init_function_start): Don't init line number info.
17303         (expand_function_end): Update.
17304         (reset_block_changes, record_block_change, finalize_block_changes,
17305         check_block_change, free_block_changes): Kill.
17306         * function.h (reset_block_changes, record_block_change,
17307         finalize_block_changes, check_block_change, free_block_changes):
17308         Remove prototypes.
17309         (struct function): Remove ib_boundaries_block.
17310         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17311         Use curr_insn_locator to initialize locator.
17312         (emit_line_note): Remove.
17313         * cfgexpand.c (expand_gimple_cond_expr): Update.
17314         (construct_exit_block): Likewise.
17315         (tree_expand_cfg): Initialize/finalize locators.
17316         * expr.c (expand_expr_real): Update.
17317         * cfglayout.c (line_locators_locs, line_locators_lines,
17318         file_locators_locs, file_locators_files): Remove.
17319         (set_block_levels): Move to cfgexpand.c.
17320         (insn_locators_initialize): Remove.
17321         (pass_insn_locators_initialize): Remove.
17322         (locations_locators_locs, locations_locators_vals): New static vars.
17323         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17324         Likewise.
17325         (insn_locators_alloc, insn_locators_finalize,
17326         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17327         New functions.
17328         (locator_location): New.
17329         (locator_line, locator_file): Rewrite.
17330         * rtl.h (emit_line_note): Kill.
17331         (insn_locators_alloc, insn_locators_finalize,
17332         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17333         Declare.
17334         * tree-inline.c (initialize_cfun): Do not initialize
17335         ib_boundaries_block.
17336         * passes.c (pass_insn_locators_initialize): Remove.
17337
17338 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
17339
17340         * doc/invoke.texi: Removed leading '-' from option index entries.
17341
17342 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
17343
17344         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
17345         Use phi_nodes_ptr.
17346         (create_phi_node): Use set_phi_nodes.
17347         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
17348         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
17349         (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
17350         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
17351         (bsi_start, bsi_last): Use bb_stmt_list.
17352         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
17353         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
17354         Traverse the statements using tsi iterator.
17355         * basic-block.h (struct basic_block_def): Fields stmt_list
17356         and phi_nodes moved to ...
17357         (struct tree_bb_info): ... new structure.
17358         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
17359         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
17360         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
17361         (tree_verify_flow_info): Verify that il.tree is not set for
17362         entry and exit block.
17363         (tree_split_block): Use set_bb_stmt_list.
17364
17365 2007-04-23  Mike Stump  <mrs@apple.com>
17366
17367         * config/i386/i386.c (ix86_tune_features
17368         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
17369         nocona and core2.
17370
17371 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17372
17373         * config/i386/i386.md (prefix_extra): New attribute.
17374         (length): Add prefix_extra.
17375
17376         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
17377         (sse2_movntv2di): Likewise.
17378         (sse2_cvtps2dq): Likewise.
17379         (sse2_cvtpd2pi): Likewise.
17380         (sse2_cvttpd2pi): Likewise.
17381         (*sse2_cvtpd2ps): Likewise.
17382         (*add<mode>3): Likewise.
17383         (sse2_ssadd<mode>3): Likewise.
17384         (sse2_usadd<mode>3): Likewise.
17385         (*sub<mode>3): Likewise.
17386         (sse2_sssub<mode>3): Likewise.
17387         (sse2_ussub<mode>3): Likewise.
17388         (*mulv8hi3): Likewise.
17389         (*smulv8hi3_highpart): Likewise.
17390         (*umulv8hi3_highpart): Likewise.
17391         (sse2_umulv2siv2di3): Likewise.
17392         (sse2_pmaddwd): Likewise.
17393         (ashr<mode>3): Likewise.
17394         (lshr<mode>3): Likewise.
17395         (ashl<mode>3): Likewise.
17396         (sse2_ashlti3): Likewise.
17397         (sse2_lshrti3): Likewise.
17398         (*umaxv16qi3): Likewise.
17399         (*smaxv8hi3): Likewise.
17400         (*uminv16qi3): Likewise.
17401         (*sminv8hi3): Likewise.
17402         (sse2_eq<mode>3): Likewise.
17403         (sse2_gt<mode>3): Likewise.
17404         (*and<mode>3): Likewise.
17405         (sse2_nand<mode>3): Likewise.
17406         (*ior<mode>3): Likewise.
17407         (*xor<mode>3): Likewise.
17408         (sse2_packsswb): Likewise.
17409         (sse2_packssdw): Likewise.
17410         (sse2_packuswb): Likewise.
17411         (sse2_punpckhbw): Likewise.
17412         (sse2_punpcklbw): Likewise.
17413         (sse2_punpckhwd): Likewise.
17414         (sse2_punpcklwd): Likewise.
17415         (sse2_punpckhdq): Likewise.
17416         (sse2_punpckldq): Likewise.
17417         (sse2_punpckhqdq): Likewise.
17418         (sse2_punpcklqdq): Likewise.
17419         (*sse2_pinsrw): Likewise.
17420         (*sse2_pextrw): Likewise.
17421         (sse2_pshufd_1): Likewise.
17422         (sse2_uavgv16qi3): Likewise.
17423         (sse2_uavgv8hi3): Likewise.
17424         (sse2_psadbw): Likewise.
17425         (sse2_pmovmskb): Likewise.
17426         (*sse2_maskmovdqu): Likewise.
17427         (*sse2_maskmovdqu_rex64): Likewise.
17428         (sse4a_extrqi): Likewise.
17429         (sse4a_extrq): Likewise.
17430         (sse3_lddqu): Set prefix_rep.
17431         (sse3_addsubv4sf3): Likewise.
17432         (sse3_haddv4sf3): Likewise.
17433         (sse3_hsubv4sf3): Likewise.
17434         (sse_cvtss2si): Likewise.
17435         (sse_cvtss2si_2): Likewise.
17436         (sse_cvtss2siq): Likewise.
17437         (sse_cvtss2siq_2): Likewise.
17438         (sse_cvttss2si): Likewise.
17439         (sse_cvttss2siq): Likewise.
17440         (sse2_cvttps2dq): Likewise.
17441         (sse3_movshdup): Likewise.
17442         (sse3_movsldup): Likewise.
17443         (sse2_cvtsd2si): Likewise.
17444         (sse2_cvtsd2si_2): Likewise.
17445         (sse2_cvtsd2siq): Likewise.
17446         (sse2_cvtsd2siq_2): Likewise.
17447         (sse2_cvttsd2si): Likewise.
17448         (sse2_cvttsd2siq): Likewise.
17449         (*sse2_cvtpd2dq): Likewise.
17450         (*sse2_cvttpd2dq): Likewise.
17451         (sse2_pshuflw_1): Likewise.
17452         (sse2_pshufhw_1): Likewise.
17453         (sse4a_insertqi): Likewise.
17454         (sse4a_insertq): Likewise.
17455         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
17456         (ssse3_phadddv4si3): Likewise.
17457         (ssse3_phaddswv8hi3): Likewise.
17458         (ssse3_phsubwv8hi3): Likewise.
17459         (ssse3_phsubdv4si3): Likewise.
17460         (ssse3_phsubswv8hi3): Likewise.
17461         (ssse3_pmaddubswv8hi3): Likewise.
17462         (ssse3_pmulhrswv8hi3): Likewise.
17463         (ssse3_pshufbv16qi3): Likewise.
17464         (ssse3_psign<mode>3): Likewise.
17465         (ssse3_palignrti): Likewise.
17466         (abs<mode>2): Likewise.
17467         (ssse3_phaddwv4hi3): Set prefix_extra.
17468         (ssse3_phadddv2si3): Likewise.
17469         (ssse3_phaddswv4hi3): Likewise.
17470         (ssse3_phsubwv4hi3): Likewise.
17471         (ssse3_phsubdv2si3): Likewise.
17472         (ssse3_phsubswv4hi3): Likewise.
17473         (ssse3_pmaddubswv4hi3): Likewise.
17474         (ssse3_pmulhrswv4hi3): Likewise.
17475         (ssse3_pshufbv8qi3): Likewise.
17476         (ssse3_psign<mode>3): Likewise.
17477         (ssse3_palignrdi): Likewise.
17478         (abs<mode>2): Likewise.
17479         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
17480         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
17481         (sse2_pmovmskb): Set mode to SI instead of V2DF.
17482
17483 2007-04-23  Nick Clifton  <nickc@redhat.com>
17484
17485         * params.def: Fix formatting of emacs local variables.
17486
17487 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
17488
17489         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
17490         move if inter-unit move isn't allowed.
17491         Don't split moving the first element of V2DI to DI to inter-unit
17492         move if inter-unit move isn't allowed.
17493
17494 2007-04-23  Richard Guenther  <rguenther@suse.de>
17495
17496         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
17497         and CDI_POST_DOMINATORS separately.
17498
17499 2007-04-23  Nick Clifton  <nickc@redhat.com>
17500
17501         * c.opt (Wformat-contains-nul): Add warning attribute.
17502
17503 2007-04-23  Jan Hubicka  <jh@suse.cz>
17504
17505         * function.c (init_function_start): Don't init line number info.
17506         (expand_function_end): Update.
17507         (reset_block_changes, record_block_change, finalize_block_changes,
17508         check_block_change, free_block_changes): Kill.
17509         * function.h (reset_block_changes, record_block_change,
17510         finalize_block_changes, check_block_change, free_block_changes):
17511         Remove prototypes.
17512         (struct function): Remove ib_boundaries_block.
17513         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
17514         Use curr_insn_locator to initialize locator.
17515         (emit_line_note): Remove.
17516         * cfgexpand.c (expand_gimple_cond_expr): Update.
17517         (construct_exit_block): Likewise.
17518         (tree_expand_cfg): Initialize/finalize locators.
17519         * expr.c (expand_expr_real): Update.
17520         * cfglayout.c (line_locators_locs, line_locators_lines,
17521         file_locators_locs, file_locators_files): Remove.
17522         (set_block_levels): Move to cfgexpand.c.
17523         (insn_locators_initialize): Remove.
17524         (pass_insn_locators_initialize): Remove.
17525         (locations_locators_locs, locations_locators_vals): New static vars.
17526         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
17527         Likewise.
17528         (insn_locators_alloc, insn_locators_finalize,
17529         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17530         New functions.
17531         (locator_location): New.
17532         (locator_line, locator_file): Rewrite.
17533         * rtl.h (emit_line_note): Kill.
17534         (insn_locators_alloc, insn_locators_finalize,
17535         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
17536         Declare.
17537         * tree-inline.c (initialize_cfun): Do not initialize
17538         ib_boundaries_block.
17539         * passes.c (pass_insn_locators_initialize): Remove.
17540
17541 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17542
17543         PR middle-end/31448
17544         * expr.c (reduce_to_bit_field_precision): Handle
17545         CONST_INT rtx's.
17546
17547 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
17548
17549         PR tree-optimization/24659
17550         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
17551         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
17552         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
17553         * genopinit.c (optabs): Rename vec_pack_mod_optab
17554         to vec_pack_trunc_optab.
17555         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
17556         early for scalar floating point operands for NOP_EXPR.
17557         (vectorizable_type_promotion): Ditto.
17558         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
17559         vec_pack_trunc_optab.
17560         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
17561
17562         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
17563         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
17564         Rename from VEC_PACK_MOD_EXPR.
17565         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
17566         * expr.c (expand_expr_real_1): Ditto.
17567         * tree-inline.c (estimate_num_insns_1): Ditto.
17568         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
17569
17570         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
17571         (vec_unpacks_lo_v4sf): Ditto.
17572         (vec_pack_trunc_v2df): Ditto.
17573         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
17574         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17575         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
17576
17577         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
17578         vec_pack_mod_v8hi.
17579         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
17580
17581         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
17582         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
17583         packing of floating point operands.
17584         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
17585         represent unpacking of floating point operands.
17586         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
17587         [vec_unpacks_hi]: Ditto.
17588         [vec_unpacks_lo]: Ditto.
17589
17590 2007-04-22  Jan Hubicka  <jh@suse.cz>
17591
17592         * final.c (rest_of_handle_final): Call
17593         targetm.asm_out.constructor/targetm.asm_out.destructor
17594         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
17595         proper priority via decl_*_priority_insert.
17596         * c-common.c (c_expand_body): Likewise.
17597
17598 2007-04-22  Richard Guenther  <rguenther@suse.de>
17599
17600         PR tree-optimization/29789
17601         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
17602         (rewrite_reciprocal): New helper split out from
17603         determine_invariantness_stmt.
17604         (rewrite_bittest): Likewise.
17605         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
17606         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
17607         is not.
17608
17609 2007-04-22  Revital Eres  <eres@il.ibm.com>
17610
17611         * loop-unroll.c (var_to_expand): New field to support also
17612         insns of the form x = something + x.
17613         (analyze_insn_to_expand_var): Use it.
17614         (expand_var_during_unrolling): Likewise.
17615
17616 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17617
17618         * predict.c: Include pointer-set.h.
17619         (bb_predictions): New variable.
17620         (tree_predicted_by_p, tree_predict_edge,
17621         remove_predictions_associated_with_edge): Use bb_predictions map
17622         instead of bb->predictions.
17623         (clear_bb_predictions, assert_is_empty): New functions.
17624         (combine_predictions_for_bb): Use bb_predictions map.  Call
17625         clear_bb_predictions.
17626         (tree_estimate_probability): Create and free bb_predictions map.
17627         * Makefile.in (predict.o): Add pointer-set.h dependency.
17628         * basic-block.h (struct basic_block_def): Remove predictions
17629         field.
17630         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
17631
17632 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17633
17634         PR target/31480
17635         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
17636         is null.
17637
17638 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17639
17640         * timevar.c (timevar_print): Change reference of --disable-checking to
17641         --enable-checking=release.  Also warn if assert checking is disabled.
17642
17643 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17644
17645         PR C/30265
17646         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
17647         decl as addressable if the compound literal was marked as
17648         addressable.
17649         Mark the decl as a gimple register if it is a complex or
17650         vector decl and does not live in memory.
17651
17652 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17653
17654         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
17655         (GENERIC_NEXT): New function macro.
17656         (PHI_CHAIN): Use phi_node's new chain variable.
17657         (tree_phi_node): Change tree_common to tree_base
17658         and add the chain field.
17659         * tree-phinodes.c (make_phi_node): Don't set
17660         TREE_TYPE on the new node.
17661         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
17662         instead of checking GIMPLE_TUPLE_P in chain_next.
17663         * tree-vect-transform.c
17664         (get_initial_def_for_induction): Look at
17665         PHI_RESULT_TREE for the type of the phi node.
17666         (update_vuses_to_preheader): Use PHI_CHAIN
17667         instead of TREE_CHAIN on the phi node.
17668         * tree-ssa-structalias.c (compute_points_to_sets):
17669         Likewise.
17670         (ipa_pta_execute): Likewise.
17671
17672 2007-04-21  Richard Guenther  <rguenther@suse.de>
17673
17674         PR middle-end/31136
17675         * fold-const.c (fold_unary): Call fold_convert_const on the
17676         original tree.
17677
17678 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
17679
17680         * gcse.c (store_killed_in_insn): Handle PARALLELs.
17681         (store_killed_in_pat): New.
17682
17683 2007-04-20  Richard Henderson  <rth@redhat.com>
17684
17685         PR target/31628
17686         * config/i386/i386.c (type_has_variadic_args_p): Look for any
17687         TREE_LIST with a void_type_node value, not void_list_node exactly.
17688
17689 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
17690
17691         * doc/standards.texi: Re-arrange into language-specific
17692         subsections. Add a C++ section, documenting which standards we
17693         support.
17694
17695 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
17696
17697         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
17698         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
17699
17700 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
17701
17702         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
17703         ecrti.o and crtbegin.o.
17704         (LIB_DEFAULT_SPEC): Include -lc.
17705         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
17706
17707 2007-04-20  Richard Henderson  <rth@redhat.com>
17708
17709         PR target/28623
17710         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
17711         argument; update all callers.
17712         (get_unaligned_offset): New.
17713         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
17714         get_unaligned_address, just pass on the address directly.
17715         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
17716         the subreg in the helper patterns.
17717         (unaligned_extendqidi_le): Use get_unaligned_offset.
17718         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
17719         (unaligned_extendhidi_be): Likewise.
17720         (unaligned_extendhidi): Tidy.
17721         * config/alpha/alpha-protos.h: Update.
17722
17723 2007-04-20  Richard Henderson  <rth@redhat.com>
17724
17725         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
17726         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
17727         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
17728         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17729         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17730         (CPP_SPEC): Don't include %(cpp_subtarget).
17731         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
17732         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
17733         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
17734
17735 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
17736
17737         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
17738         for __builtin_ia32_cmpordss.
17739
17740         PR tree-optimization/31632
17741         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
17742         and arg1 for optimizations of comparison against min/max values.
17743         Fold arg0 to arg1's type for optimizations of comparison against
17744         min+1 and max-1 values.
17745
17746 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
17747
17748         * reload.c (combine_reloads): When trying to use a dying register,
17749         check whether it's uninitialized and don't use if so.
17750
17751 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
17752
17753         * fold-const.c: Remove prototypes for native_encode_expr and
17754         native_interpret_expr.
17755         (native_encode_expr): Make non-static.
17756         (native_interpret_expr): Likewise.
17757         * tree.h: Add prototypes for the above.
17758
17759 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17760
17761         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
17762         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
17763         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
17764         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
17765         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
17766         Add length attributes.
17767
17768 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
17769
17770         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
17771         not that it is 1.
17772
17773         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
17774         __STDC_WANT_DEC_FP__.
17775
17776 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
17777
17778         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
17779         for long double compatibility.
17780         * configure: Regenerate.
17781
17782 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
17783
17784         PR rtl-optimization/29841
17785         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
17786         trap instructions.
17787         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
17788         that may cause control flow transfer from being moved.
17789
17790 2007-04-18  Jan Hubicka  <jh@suse.cz>
17791
17792         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
17793         types.
17794
17795 2007-04-18  Eric Christopher  <echristo@apple.com>
17796
17797         * config/rs6000/darwin.md (load_macho_picbase): Use link register
17798         only. Update operands.
17799         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
17800         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
17801         link register to pic register.
17802
17803 2007-04-18  Dirk Mueller  <dmueller@suse.de>
17804
17805         PR diagnostic/31227
17806         * tree-vrp.c (search_for_addr_array): New.
17807         (check_array_bounds): Suppress warning about
17808         address taken of array refs if its not de-referenced.
17809
17810 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17811
17812         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
17813         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
17814
17815         * tree-vectorizer.h (NITERS_KNOWN_P): New.
17816         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
17817         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
17818
17819         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
17820         dump print.
17821         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
17822         print message.
17823         (vect_analyze_scalar_cycles): Fix indentation.
17824         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
17825         (vect_mark_relevant): Include phis in relevance analysis.
17826
17827         * tree-vect-transform.c (vect_transform_loop): Add an assert.
17828
17829 2007-04-18  Anatoly Sokolov <aesok@post.ru>
17830
17831         * config/avr/avr.c (ptrreg_to_str): Replace error() with
17832         output_operand_lossage().
17833
17834 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17835
17836         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
17837         the unused code for reduction without adjust-in-epilog to simplify the
17838         function.
17839
17840 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
17841
17842         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
17843         (S390_TDC_NEGATIVE_ZERO): New constant.
17844         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
17845         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
17846         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
17847         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
17848         (S390_TDC_POSITIVE_INFINITY): New constant.
17849         (S390_TDC_NEGATIVE_INFINITY): New constant.
17850         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
17851         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
17852         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
17853         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
17854         (S390_TDC_INFINITY): New constant.
17855         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
17856         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
17857         optimization for UNSPEC_CCZ_TO_INT.
17858         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
17859         ("*ccz_to_int"): New insn.
17860         ("isinf<mode>2"): New insn.
17861         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
17862         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
17863         (UNSPEC_CCZ_TO_INT): New constant.
17864
17865 2007-04-18  Richard Guenther  <rguenther@suse.de>
17866
17867         PR tree-optimization/19431
17868         PR tree-optimization/21463
17869         * tree-pass.h (pass_phiprop): Declare.
17870         * passes.c (init_optimization_passes): New phiprop pass.
17871         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
17872         (phivn_valid_p): New helper function.
17873         (phiprop_insert_phi): Likewise.
17874         (propagate_with_phi): Likewise.
17875         (tree_ssa_phiprop): New propagator propagating loads
17876         through phi nodes if profitable.
17877
17878 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
17879
17880         * tree-vect-analyze.c (process_use): New function.
17881         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
17882         Check phis in all bbs.
17883         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
17884         assert.
17885
17886 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
17887
17888         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
17889         we use REG_EQUAL.
17890
17891 2007-04-17  Anatoly Sokolov <aesok@post.ru>
17892
17893         PR target/30483
17894         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
17895         error().
17896
17897 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
17898
17899         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
17900         on "0".
17901         (sse_vmmulv4sf3): Likewise.
17902         (sse2_vmaddv2df3): Likewise.
17903         (sse2_vmmulv2df3): Likewise.
17904
17905 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
17906
17907         PR rtl-optimization/31360
17908         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
17909         (target_reg_cost): New.
17910         (init_set_costs): Initialize target_reg_cost.  Add comments
17911         regarding the rationale of the costs.
17912         (global_cost_for_size): Renamed to...
17913         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
17914         of register pressure.
17915         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
17916         estimate_reg_pressure_cost.  Add number of ivs.
17917         (determine_set_costs): Dump target_reg_cost.
17918         * loop-invariant.c (gain_for_invariant): Use
17919         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
17920         (best_gain_for_invariant, find_invariants_to_move): Remove
17921         n_inv_uses.
17922         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
17923         (target_reg_cost): Declare.
17924         (global_cost_for_size): Declaration removed.
17925         (estimate_reg_pressure_cost): Declare.
17926
17927 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
17928
17929         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
17930         regnos into even/odd register pairs.
17931         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
17932         TDmode similar to the other floating point modes.
17933         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
17934         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
17935         define_expand's.
17936         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
17937         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
17938         (movdd_hardfloat64): Use TARGET_MFPGPR.
17939
17940 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
17941
17942         * reload1.c (delete_output_reload): Don't count output in n_inherited.
17943
17944         Revert
17945         2005-01-05  Richard Henderson  <rth@redhat.com>
17946         PR rtl-opt/10692
17947         * reload1.c (do_input_reload): Restrict the optimization deleteing
17948         a previous output reload to RELOAD_FOR_INPUT.
17949
17950 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
17951
17952         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
17953         induc_vec_info_type.
17954         (vectorizable_induction): New function declaration.
17955         * tree-vect-transform.c (get_initial_def_for_induction): No need to
17956         check if already vectorized.  Find first place in BB where new stmts
17957         can be inserted.  Takes only one argument.
17958         (vectorizable_induction): New function.
17959         (vect_transform_stmt): Add case for induc_vec_info_type to call
17960         vectorizable_induction.
17961         (vect_transform_loop): Consider phis for vectorization.
17962         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
17963         condition.
17964         (analyze_operations): Call vectorizable_induction when analyzing phis.
17965         Fix comment.
17966         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
17967         (vect_mark_relevant): Include phis in relevance analysis.
17968         (vect_mark_stmts_to_be_vectorize): Likewise.
17969         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
17970
17971 2007-04-16  Lawrence Crowl  <crowl@google.com>
17972
17973         * doc/invoke.texi (Debugging Options): Add documentation for the
17974         -femit-struct-debug options -femit-struct-debug-baseonly,
17975         -femit-struct-debug-reduced, and
17976         -femit-struct-debug-detailed[=...].
17977
17978         * c-opts.c (c_common_handle_option): Add
17979         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
17980         and OPT_femit_struct_debug_detailed_.
17981         * c.opt: Add specifications for
17982         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
17983         and -femit-struct-debug-detailed[=...].
17984         * opts.c (set_struct_debug_option): Parse the
17985         -femit-struct-debug-... options.
17986         * opts.c (matches_main_base, main_input_basename,
17987         main_input_baselength, base_of_path, matches_main_base): Add
17988         variables and functions to compare header base name to compilation
17989         unit base name.
17990         * opts.c (should_emit_struct_debug): Add to determine to emit a
17991         structure based on the option.
17992         (dump_struct_debug) Also disabled function to debug this
17993         function.
17994         * opts.c (handle_options): Save the base name of the
17995         compilation unit.
17996
17997         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
17998         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
17999         This hook indicates if a type is generic.  Set it by default
18000         to "never generic".
18001         * langhooks.h (struct lang_hooks_for_types): Add a new hook
18002         to determine if a struct type is generic or not.
18003         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
18004         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
18005         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
18006         with live C++ hook.
18007
18008         * flags.h (enum debug_info_usage): Add an enumeration to describe
18009         a program's use of a structure type.
18010         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
18011         to indicate the program's usage of the type.  Filter structs based
18012         on the -femit-struct-debug-... specification.
18013         (gen_type_die): Split into two routines, gen_type_die and
18014         gen_type_die_with_usage.  gen_type_die is now a wrapper
18015         that assumes direct usage.
18016         (gen_type_die_with_usage): Replace calls to gen_type_die
18017         with gen_type_die_with_usage adding the program usage of
18018         the referenced type.
18019         (dwarf2out_imported_module_or_decl): Suppress struct debug
18020         information using should_emit_struct_debug when appropriate.
18021
18022 2007-04-16  Ian Lance Taylor  <iant@google.com>
18023
18024         PR tree-optimization/31522
18025         * tree-vrp.c (vr_phi_edge_counts): New static variable.
18026         (vrp_initialize): Allocate vr_phi_edge_counts.
18027         (vrp_visit_phi_node): Don't push to infinity if we saw a new
18028         executable edge.  Drop test for all constants.
18029         (vrp_finalize): Free vrp_phi_edge_counts.
18030
18031         * doc/cpp.texi (Common Predefined Macros): Clarify description of
18032         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
18033
18034         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
18035         predecessors at head rather than tail.
18036
18037 2007-04-16  Matthias Klose  <doko@debian.org>
18038
18039         * config/alpha/linux.h (CPP_SPEC): Define.
18040         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
18041
18042 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
18043
18044         * function.h: Remove sequence_stack extern declaration.
18045
18046 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18047
18048         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
18049         TARGET_FIDOA.
18050         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
18051         defined.
18052
18053 2007-04-16  Anatoly Sokolov <aesok@post.ru>
18054
18055         * config/avr/avr.c (avr_arch_types): Rearranging  array.
18056         (enum avr_arch): Add.
18057         (avr_mcu_types): Use avr_arch enumeration constants instead of
18058         numbers.
18059         * config/avr/avr.h (LINK_SPEC): Simplify.
18060
18061 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
18062
18063         * config/m68k/m68k.c (m68k_libcall_value,
18064         m68k_function_value): Use macros for register names more.
18065
18066         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
18067         instead.
18068         (M68K_REGNAME): Use A6_REG.
18069         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
18070
18071 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
18072
18073         PR middle-end/28071
18074         * sched-int.h (struct deps): Split field 'pending_lists_length' into
18075         'pending_read_list_length' and 'pending_write_list_length'.  Update
18076         comment.
18077         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
18078         to handle two length counters instead of one.  Update all uses.
18079         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
18080         two length counters instead of one.
18081         * sched-rgn.c (propagate_deps): Update to handle two length counters
18082         instead of one.
18083
18084 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
18085
18086         PR target/31582
18087         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
18088         copy of source, pass it to ix86_expand_vector_set and return
18089         it as target.
18090
18091 2007-04-16  David Ung  <davidu@mips.com>
18092             Joseph Myers  <joseph@codesourcery.com>
18093
18094         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
18095         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
18096         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
18097         Add 74K processor information.
18098         * config/mips/mips.md: Include 74k.md.
18099         (cpu): Add 74kc,74kf,74kx.
18100         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
18101         * config/mips/74k.md: New.
18102         * doc/invoke.texi (MIPS Options): Document 74K support.
18103
18104 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
18105
18106         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
18107         vectorizable_* functions.
18108         * tree-vect-transform.c (vectorizable_call): Add check for
18109         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
18110         (vectorizable_store): likewise.
18111         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
18112         Add comments.
18113         (vectorizable_operation, vectorizable_type_demotion): Likewise.
18114         (vectorizable_type_promotion, vectorizable_load): Likewise.
18115         (vectorizable_live_operation, vectorizable_condition): Likewise.
18116         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
18117         STMT_VINFO_LIVE_P.
18118         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
18119
18120 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18121
18122         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
18123         register numbers more.
18124         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
18125         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
18126         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
18127         FUNCTION_VALUE_REGNO_P): Likewise.
18128         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
18129         STATIC_CHAIN_REGNUM): Likewise.
18130         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
18131         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
18132         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
18133         * config/m68k/m68k.md (FP_REG): New.
18134
18135 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18136
18137         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
18138         alignment on fido.
18139
18140 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
18141
18142         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
18143         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
18144         comment typos.
18145
18146 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18147
18148         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
18149         cold loops.
18150
18151 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18152
18153         PR c/31520
18154         * c-decl.c (finish_decl): Grab the type of the decl after the call
18155         to store_init_value.
18156
18157 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
18158
18159         * common.opt (fforward-propagate): Fix "Optimization" annotation.
18160
18161 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
18162
18163         PR c++/25874
18164         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
18165         dominators, post dominators and cleanup cfg before returning.
18166
18167 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
18168
18169         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
18170         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
18171
18172 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
18173
18174         * config.gcc: Recognize fido.
18175         * config/m68k/m68k-devices.def (fidoa): New.
18176         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
18177         __mfido__.
18178         (FL_FIDOA, TARGET_FIDOA): New.
18179         * config/m68k/m68k.opt (mfidoa): New.
18180
18181 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18182
18183         PR middle-end/31322
18184         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
18185         when a personality function is used.
18186
18187 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
18188
18189         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
18190
18191 2007-04-13  Mike Stump  <mrs@apple.com>
18192
18193         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
18194         we can...
18195         * config/darwin.opt (fapple-kext): Make C++ only.
18196         * config/darwin.c (darwin_override_options): Remove code to ensure
18197         -fapple-kext is given for C++ only.
18198
18199 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
18200
18201         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
18202         * config/mips/mips.c (override_options): Call
18203         SUBTARGET_OVERRIDE_OPTIONS, if defined.
18204
18205 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18206
18207         * config/i386/i386.opt (msvr3-shlib): Removed.
18208
18209         * doc/invoke.texi: Remove -msvr3-shlib.
18210
18211 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
18212
18213         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
18214         with "popcnt" instruction.
18215
18216 2007-04-13  Richard Guenther  <rguenther@suse.de>
18217
18218         PR tree-optimization/21258
18219         * tree-vrp.c (compare_case_labels): New helper.
18220         (find_switch_asserts): New function.
18221         (find_assert_locations): Call it for SWITCH_EXPRs.
18222
18223 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
18224
18225         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
18226         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
18227         check is now implied in X87_FLOAT_MODE_P.
18228         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18229         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18230         (fix_trunc<mode>_i386_fisttp): Ditto.
18231         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18232         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18233         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18234         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18235         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18236         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18237         (unnamed_splitters): Ditto.
18238         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
18239         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
18240         FIRST_SSE_REG for local functions when SSE math is enabled or
18241         for functions with sseregparm attribute.
18242         (standard_80387_constant_p): Return -1 if mode is not
18243         X87_FLOAT_MODE_P.
18244         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
18245         (ix86_expand_compare): Ditto.
18246         (ix86_expand_carry_flag_compare): Ditto.
18247         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
18248         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
18249         DECIMAL_FLOAT_MODE_P.
18250         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
18251         of SCALAR_FLOAT_MODE_P.
18252         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
18253         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
18254         checks before FLOAT_MODE_P.
18255         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
18256         before FLOAT_MODE_P.
18257         [DIV]: Ditto.
18258         [NEG]: Ditto.
18259         [ABS]: Ditto.
18260         [SQRT]: Ditto.
18261         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
18262
18263 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
18264             Charles Wilson  <libtool@cwilson.fastmail.fm>
18265
18266         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
18267         (libgcc.mvars): Don't depend on them.
18268         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
18269         * exec-tool.in: New.
18270
18271 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
18272
18273         * doc/invoke.text (--help): Document --help=common.
18274
18275 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
18276
18277         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
18278
18279 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18280
18281         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
18282         * genemit.c (main): Emit #include "integrate.h".
18283         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
18284         (LOADGP_RTP): New mips_loadgp_style.
18285         * config/mips/mips.h: Include config/vxworks-dummy.h.
18286         (TARGET_RTP_PIC): New macro.
18287         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
18288         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
18289         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
18290         for TARGET_RTP_PIC.
18291         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
18292         -mvxworks-pic when using -mrtp and a PIC option.
18293         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
18294         for RTP PIC.
18295         (mips_symbolic_constant_p, mips_symbolic_address_p)
18296         (mips_symbol_insns): Handle SYMBOL_HALF.
18297         (override_options): Warn about -G and -mrtp being used together.
18298         Initialize mips_lo_relocs[SYMBOL_HALF].
18299         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
18300         (mips_emit_loadgp): Handle LOADGP_RTP.
18301         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
18302         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
18303         (tablejump): Handle function-relative case table entries if
18304         TARGET_RTP_PIC.
18305         * config/mips/predicates.md (symbol_ref_operand): New predicate.
18306
18307 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18308
18309         * config/mips/mips.md (load_call<mode>): Allow any general register.
18310         destination.
18311         (sibcall_value_internal, sibcall_value_multiple_internal)
18312         (call_value_internal, call_value_split, call_value_multiple_internal)
18313         (call_value_multiple_split): Remove constraints from operand 0.
18314
18315 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18316
18317         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
18318         rather than loadgp_noshared.
18319         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
18320         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
18321         gen_loadgp.
18322         * config/mips/mips.md (loadgp): Rename to...
18323         (loadgp_newabi): ...this.
18324         (loadgp_noshared): Rename to...
18325         (loadgp_absolute): ...this.
18326
18327 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18328
18329         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
18330         false for locally-binding symbols.
18331         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
18332
18333 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18334
18335         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
18336         (SYMBOL_GOT_PAGE_OFST): ...this.
18337         (SYMBOL_GOT_GLOBAL): Rename to...
18338         (SYMBOL_GOT_DISP): ...this.
18339         (SYMBOL_GOTOFF_GLOBAL): Rename to...
18340         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
18341         * config/mips/mips.c (mips_global_symbol_p): New function.
18342         (mips_symbol_binds_local_p): Likewise.
18343         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
18344         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use
18345         mips_global_symbol_p and mips_symbol_binds_local_p.
18346         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
18347         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
18348         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
18349         SYMBOL_GOTOFF_DISP.
18350         (mips_ok_for_lazy_binding_p): New function.
18351         (mips_load_call_address, mips_expand_call): Use it.
18352         (mips_dangerous_for_la25_p): Likewise.
18353         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
18354         (*got_disp<mode>): Use got_disp_operand instead of
18355         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
18356         SYMBOL_GOTOFF_GLOBAL.
18357         (*got_page<mode>): Use got_page_ofst_operand instead of
18358         local_got_operand.
18359         * config/mips/predicates.md (const_call_insn_operand): Use
18360         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
18361         (global_got_operand): Rename to...
18362         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
18363         SYMBOL_GOT_GLOBAL.
18364         (local_got_operand): Rename to...
18365         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
18366         of SYMBOL_GOT_LOCAL.
18367
18368 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18369
18370         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
18371         TARGET_CALL_CLOBBERED_GP.
18372         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18373         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
18374         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
18375         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
18376         of TARGET_ABICALLS && !TARGET_NEWABI.
18377         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18378         * config/mips/mips.c (mips_load_call_address): Check
18379         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18380         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18381         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
18382         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
18383         TARGET_ABICALLS && TARGET_NEWABI.
18384         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
18385         TARGET_ABICALLS.
18386         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
18387         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
18388         TARGET_ABICALLS && TARGET_NEWABI.
18389         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
18390         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
18391         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
18392         whether indirect calls must use $25.
18393         (mips_extra_live_on_entry): Check TARGET_GOT instead of
18394         TARGET_ABICALLS.
18395         * config/mips/mips.md (jal_macro): Check flag_pic and
18396         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
18397         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
18398         instead of TARGET_ABICALLS.
18399         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
18400         TARGET_ABICALLS && TARGET_OLDABI.
18401         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
18402         (sibcall): In the comment above the define_insn, mention
18403         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
18404         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
18405         instead of TARGET_ABICALLS.
18406
18407 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
18408
18409         * doc/md.texi (Blackfin family constraints): Document PA and PB.
18410         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
18411         (MACFLAGS_MATCH_P): New macro.
18412         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
18413         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
18414         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
18415         the other MACFLAG constants.
18416         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
18417         (flag_machi): Tighten constraints.  Renumber some of the operands.
18418         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
18419         output template.
18420         (flag_machi_parts_acconly): New pattern.
18421         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
18422         used.
18423         (flag_macinit1hi): Tighten constraints.
18424         (flag_mul_macv2hi_parts_acconly): New pattern.
18425
18426         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
18427         Use a more efficient implementation.
18428         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
18429         inline sequences when not optimizing for size.
18430
18431         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
18432         movhi_high2low): Delete, merge functionality into...
18433         (packv2hi): ... this pattern.
18434
18435         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
18436         * config/bfin/bfin.opt (msim): New option.
18437         (mcpu=): New option.
18438         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
18439         (bfin_cpu_t): Typedef of enum bfin_cpu.
18440         (bfin_cpu_type): New declaration.
18441         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
18442         -msim and -mcpu= options.
18443         (LIB_SPEC): Likewise.
18444         * config/bfin/bfin.c (bfin_cpu_type): Define.
18445         (bfin_handle_option): Handle -mcpu= option.
18446         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
18447         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
18448         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
18449
18450 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18451
18452         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
18453         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
18454         (powerpc-wrs-vxworksae): Use ${tm_file}.
18455         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
18456         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
18457         * config/i386/vx-common.h: New file.
18458
18459 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
18460
18461         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
18462         of crt0.o%s.
18463
18464 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
18465
18466         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
18467         ldxtr.
18468
18469 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
18470
18471         PR c++/31078
18472         PR c++/31103
18473         * c-common.c (c_build_qualified_type): Set canonical type
18474         appropriately.
18475
18476 2007-04-12  Richard Guenther  <rguenther@suse.de>
18477
18478         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
18479         lower bound and element size if lower bound is not zero
18480         or either of the ARRAY_REF operands is set.
18481
18482 2007-04-12  Richard Guenther  <rguenther@suse.de>
18483
18484         PR tree-optimization/24689
18485         PR tree-optimization/31307
18486         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
18487         indices by value.
18488         * gimplify.c (canonicalize_addr_expr): To be consistent with
18489         gimplify_compound_lval only set operands two and three of
18490         ARRAY_REFs if they are not gimple_min_invariant.  This makes
18491         it never at this place.
18492         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
18493
18494 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18495
18496         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
18497         null before emitting a .nsubspa directive.
18498
18499 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18500
18501         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
18502         need_to_partition_p if there are no memory statements in the
18503         function.
18504
18505 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18506
18507         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
18508         (gcd_of_steps_may_divide_p): New function.
18509         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
18510
18511 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18512
18513         * reload.c (find_reloads_toplev, find_reloads_address,
18514         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
18515         not a pointer equality test, to decide if we need to call
18516         push_reg_equiv_alt_mem.
18517
18518 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
18519
18520         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
18521         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
18522         New.
18523         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
18524
18525 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
18526
18527         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
18528         vector to be positive.
18529
18530 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
18531
18532         PR 30735
18533         PR 31090
18534         * doc/invoke.texi: Document --params max-aliased-vops and
18535         avg-aliased-vops.
18536         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
18537         debug_memory_partitions): Move to tree-flow.h
18538         * params.h (AVG_ALIASED_VOPS): Define.
18539         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
18540         users.
18541         (mp_info_t): Likewise.
18542         (get_mem_sym_stats_for): New.
18543         (set_memory_partition): Move from tree-flow-inline.h.
18544         (mark_non_addressable): Only clear the set of symbols for the
18545         partition if it exists.
18546         (dump_memory_partitions): Move from tree-ssa-operands.c
18547         (debug_memory_partitions): Likewise.
18548         (need_to_partition_p): New.
18549         (dump_mem_ref_stats): New.
18550         (debug_mem_ref_stats): New.
18551         (dump_mem_sym_stats): New.
18552         (debug_mem_sym_stats): New.
18553         (update_mem_sym_stats_from_stmt): New.
18554         (compare_mp_info_entries): New.
18555         (mp_info_cmp): Call it.
18556         (sort_mp_info): Change argument to a list of mem_sym_stats_t
18557         objects.
18558         (get_mpt_for): Move from tree-ssa-operands.c.
18559         (find_partition_for): New.
18560         (create_partition_for): Remove.
18561         (estimate_vop_reduction): New.
18562         (update_reference_counts): New.
18563         (build_mp_info): New.
18564         (compute_memory_partitions): Refactor.
18565         Document new heuristic.
18566         Call build_mp_info, update_reference_counts,
18567         find_partition_for and estimate_vop_reduction.
18568         (compute_may_aliases): Populate virtual operands before
18569         calling debugging dumps.
18570         (delete_mem_sym_stats): New.
18571         (delete_mem_ref_stats): New.
18572         (init_mem_ref_stats): New.
18573         (init_alias_info): Call it.
18574         (maybe_create_global_var): Remove alias_info argument.
18575         Get number of call sites and number of pure/const call sites
18576         from gimple_mem_ref_stats().
18577         (dump_alias_info): Call dump_memory_partitions first.
18578         (dump_points_to_info_for): Show how many times a pointer has
18579         been dereferenced.
18580         * opts.c (decode_options): For -O2 set --param
18581         max-aliased-vops to 500.
18582         For -O3 set --param max-aliased-vops to 1000 and --param
18583         avg-aliased-vops to 3.
18584         * fortran/options.c (gfc_init_options): Remove assignment to
18585         MAX_ALIASED_VOPS.
18586         * tree-flow-inline.h (gimple_mem_ref_stats): New.
18587         * tree-dfa.c (dump_variable): Dump memory reference
18588         statistics.
18589         Dump NO_ALIAS* settings.
18590         (referenced_var_lookup): Tidy.
18591         (mem_sym_stats): New.
18592         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
18593         and ORIG are different SSA names for a memory partition.
18594         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
18595         * tree-flow.h (struct mem_sym_stats_d): Define.
18596         (mem_sym_stats_t): Define.
18597         (struct mem_ref_stats_d): Define.
18598         (struct gimple_df): Add field mem_ref_stats.
18599         (enum noalias_state): Define.
18600         (struct var_ann_d): Add bitfield noalias_state.
18601         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
18602         debug_mem_ref_stats, debug_memory_partitions,
18603         debug_mem_sym_stats): Declare.
18604         * tree-ssa-structalias.c (update_alias_info): Update call
18605         sites, pure/const call sites and asm sites in structure
18606         returned by gimple_mem_ref_stats.
18607         Remove local variable IS_POTENTIAL_DEREF.
18608         Increase NUM_DEREFS if the memory expression is a potential
18609         dereference.
18610         Call update_mem_sym_stats_from_stmt.
18611         If the memory references memory, call
18612         update_mem_sym_stats_from_stmt for all the direct memory
18613         symbol references found.
18614         (intra_create_variable_infos): Set noalias_state field for
18615         pointer arguments according to the value of
18616         flag_argument_noalias.
18617         * tree-ssa-structalias.h (struct alias_info): Remove fields
18618         num_calls_found and num_pure_const_calls_found.
18619         (update_mem_sym_stats_from_stmt): Declare.
18620         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
18621         Set default value to 100.
18622         (PARAM_AVG_ALIASED_VOPS): Define.
18623
18624 2007-04-11  Richard Guenther  <rguenther@suse.de>
18625
18626         PR middle-end/31530
18627         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
18628         a * -b + c as c - a * b if we honor sign dependent rounding.
18629
18630 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
18631
18632         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
18633         bfin_expand_strmov.
18634         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
18635         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
18636         variables.
18637         (initialize_trampoline): Don't use old-style function definition.
18638         (bfin_secondary_reload): Mark IN_P argument as unused.
18639
18640 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
18641
18642         PR tree-optimization/31343
18643         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
18644         (build_polynomial_chrec): Return a scalar when the evolution is zero.
18645         * testsuite/gcc.dg/vect/pr31343.c: New.
18646
18647 2007-04-10  Eric Christopher  <echristo@apple.com>
18648
18649         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
18650         * config/i386/i386.md (*cmpfp0): Use.
18651         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
18652         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
18653         (fix_trunc<mode>_i386_fisttp): Ditto.
18654         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
18655         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
18656         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
18657         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
18658         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
18659         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
18660         (unnamed_splitters): Ditto.
18661         * config/i386/i386.c (output_fix_trunc): Assert that
18662         we're not being passed a TFmode operand.
18663
18664 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
18665
18666         PR tree-optimization/31526
18667         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
18668         n_basic_blocks to find newly added blocks.
18669
18670 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
18671
18672         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
18673         alternative.
18674         (fix_trunc<mode>si_sse): Ditto.
18675         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
18676         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
18677         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
18678         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
18679         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
18680         expander using SSEMODEF mode macro.
18681         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
18682         expander using SSEMODEF mode macro.
18683         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
18684         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
18685         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
18686         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
18687         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
18688         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
18689         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
18690         Macroize insn using X87MODEF mode macro.
18691
18692 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18693
18694         * config/i386/sse.md (sse2_pinsrw): Removed.
18695         (sse2_pextrw): Renamed to ...
18696         (*sse2_pextrw): This.
18697
18698 2007-04-09  Jan Hubicka  <jh@suse.cz>
18699
18700         PR target/27869
18701         * config/i386/sse.md
18702         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
18703         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
18704         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
18705         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
18706
18707 2007-04-09  Jan Hubicka  <jh@suse.cz>
18708
18709         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
18710         multiple fields of union.
18711
18712 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
18713
18714         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
18715         (create_preheaders): Check that loops are available.
18716         (fix_loop_structure): Clean up, improve comments.
18717         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
18718         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
18719         state flags.
18720         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
18721         * predict.c (tree_estimate_probability): Do not call
18722         calculate_dominance_info.  Call create_preheaders.
18723         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
18724         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
18725         flags.
18726         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
18727         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
18728         * tree-cfg.c (tree_split_edge): Make an assert more precise.
18729         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
18730         arguments.
18731
18732 2007-04-08  Jan Hubicka  <jh@suse.cz>
18733
18734         * tree.h (maybe_fold_offset_to_component_ref): Declare.
18735         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
18736         * fold-const.c (fold_unary): Use it.
18737
18738 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18739
18740         * varasm.c (assemble_variable): Remove call to
18741         lang_hooks.decls.prepare_assemble_variable.
18742         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
18743         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
18744         * langhooks.h (lang_hooks_for_decls): Remove
18745         prepare_assemble_variable.
18746
18747 2007-04-08  Mike Stump  <mrs@apple.com>
18748
18749         * config/i386/i386.c: Use inc/dec on Core2.
18750
18751 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
18752
18753         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
18754         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18755         lhd_tree_inlining_end_inlining): Remove.
18756         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
18757         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
18758         end_inlining hooks.
18759         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
18760         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
18761         lhd_tree_inlining_end_inlining): Remove prototypes.
18762         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
18763         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
18764         LANG_HOOKS_TREE_INLINING_START_INLINING,
18765         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
18766
18767         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
18768         not set it.
18769
18770 2007-04-08  Anatoly Sokolov <aesok@post.ru>
18771
18772         PR target/29932
18773         * config/avr/predicates.md (io_address_operand): Delete predicate.
18774         (low_io_address_operand): Don't use 'mode' argument.
18775         (higth_io_address_operand): Rename ...
18776         (high_io_address_operand): ... to this. Don't use 'mode' argument.
18777         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
18778         for above change.
18779
18780 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
18781
18782         Revert change removing staticp.
18783
18784 2007-04-07  Anatoly Sokolov <aesok@post.ru>
18785
18786         PR target/30289
18787         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
18788         earlyclobber.
18789
18790 2007-04-07  Bruce Korb  <bkorb@gnu.org>
18791
18792         * c.opt: Add -Wformat-contains-nul.
18793         * c-format.c (set_Wformat): Set warn_format_contains_nul to the
18794           -Wformat setting.
18795         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
18796         the NUL byte warning.
18797
18798 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
18799
18800         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
18801
18802 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18803
18804         * tree.c (staticp): No longer use staticp langhook.
18805         * langhooks.c (lhd_staticp): Removed.
18806         * langhooks.h (struct lang_hooks): Remove staticp.
18807         * c-common.c (c_staticp): Remove.
18808         * c-common.h (c_staticp): Ditto.
18809         * langhooks-defs.h (lhd_staticp): Ditto.
18810         (LHD_HOOKS_STATICP): Ditto
18811         * tree.h (gcc_assert_lowered): New macro.
18812
18813 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
18814
18815         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
18816         argument "reliable".
18817         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
18818         Add argument "reliable".  Propagate it through calls.
18819         (infer_loop_bounds_from_undefined): Derive number of iterations
18820         estimates from references in blocks that do not dominate loop latch.
18821         (gcov_type_to_double_int): New function.
18822         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
18823         and expected_loop_iterations_unbounded.
18824         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
18825         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
18826         * tree-data-ref.c (estimated_loop_iterations): Export.
18827         (get_references_in_stmt): Fix -- do not return addresses of local
18828         objects.
18829         * cfgloop.h (expected_loop_iterations_unbounded,
18830         estimated_loop_iterations): Declare.
18831
18832 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
18833
18834         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
18835
18836 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18837
18838         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
18839         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
18840         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
18841         Use output_387_reg_move().
18842         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
18843         expander using X87MODEF12 mode macro.
18844         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
18845         choosing register preferences.  Use output_387_reg_move().
18846         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
18847         instead of "x".  Use output_387_reg_move().
18848         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
18849         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
18850         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
18851         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
18852         Use output_387_reg_move().
18853         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
18854         mode macro.
18855         (*truncxf?f_i387 splitter): Ditto.
18856
18857 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
18858
18859         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
18860         LANG_HOOKS_SAFE_FROM_P.
18861         * expr.c (safe_from_p): Remove langhook call.
18862         * langhooks.h (lang_hooks): Remove safe_from_p.
18863         (lhd_safe_from_p): Remove prototype.
18864         * langhooks.c (lhd_safe_from_p): Remove.
18865
18866 2007-04-06  Jan Hubicka  <jh@suse.cz>
18867
18868         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
18869         functions.
18870
18871 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
18872
18873         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
18874         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
18875         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
18876         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
18877         alternative.
18878         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
18879         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
18880
18881 2007-04-05  Richard Henderson  <rth@redhat.com>
18882
18883         * config/alpha/alpha.c (print_operand) [+]: Remove.
18884         (alpha_end_function): Print nop if call at end of function.
18885         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
18886         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
18887         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
18888         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
18889         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
18890         the call pattern. Update peepholes to match.
18891
18892 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
18893
18894         * doc/extend.texi (Other Builtins): Add decimal float variants
18895         of signbit.
18896         * builtins.def: Ditto.
18897         * builtins.c (expand_builtin): Ditto.
18898
18899 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
18900             H.J. Lu  <hongjiu.lu@intel.com>
18901
18902         PR target/31478
18903         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
18904         of V8HImode when calling ix86_binary_operator_ok.
18905         (sse2_pmaddwd): Call ix86_binary_operator_ok.
18906         (sdot_prodv8hi): Operands 1 and 2 must be register.
18907
18908 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18909
18910         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
18911         initialize align to silence bogus warning.
18912
18913 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
18914
18915         PR middle-end/22156
18916         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
18917         all_no_warning.
18918         (struct sra_walk_fns): Remove use_all parameter from use.
18919         (sra_hash_tree): Handle BIT_FIELD_REFs.
18920         (sra_elt_hash): Don't hash bitfld blocks.
18921         (sra_elt_eq): Skip them in parent compares as well.  Handle
18922         BIT_FIELD_REFs.
18923         (sra_walk_expr): Don't maintain or pass down use_all_p.
18924         (scan_use): Remove use_all parameter.
18925         (scalarize_use): Likewise.  Re-expand assignment to
18926         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
18927         output, and re-scalarize after output.  Don't mark anything
18928         for no warning.
18929         (scalarize_ldst): Adjust.
18930         (scalarize_walk_gimple_modify_statement): Likewise.
18931         (build_element_name_1): Handle BIT_FIELD_REFs.
18932         (instantiate_element): Don't warn for any element whose parent
18933         is used as a whole.
18934         (instantiate_missing_elements_1): Return the sra_elt.
18935         (canon_type_for_field): New.
18936         (try_instantiate_multiple_fields): New.
18937         (instantiate_missing_elemnts): Use them.
18938         (mark_no_warning): Removed.
18939         (generate_one_element_ref): Handle BIT_FIELD_REFs.
18940         (REPLDUP, sra_build_elt_assignment): New.
18941         (generate_copy_inout): Use them.
18942         (generate_element_copy): Likewise.  Handle bitfld differences.
18943         (generate_element_zero): Don't recurse for blocks.  Use
18944         sra_build_elt_assignment.
18945         (generate_one_element_int): Take elt instead of var.  Use
18946         sra_build_elt_assignment.
18947         (generate_element_init_1): Adjust.
18948         (scalarize_use, scalarize_copy): Use REPLDUP.
18949         (scalarize_ldst): Move assert before dereference.
18950         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
18951
18952 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18953
18954         * regmove.c: Fix unused variable warnings due to previous commit.
18955
18956 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
18957
18958         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
18959         (regmove_bb_head): Remove.
18960         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
18961         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
18962         problems with fixup_match_1.
18963         Don't initialize/free regmove_bb_head.
18964
18965         (reg_is_remote_constant_p): If an insn is in the same basic block
18966         but not before INSN, consider it remote, too.
18967
18968 2007-04-05  Anatoly Sokolov <aesok@post.ru>
18969
18970         PR target/25448
18971         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
18972         DECL_ASSEMBLER_NAME, not the DECL_NAME.
18973
18974 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
18975
18976         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
18977         (CONDITIONAL_REGISTER_USAGE): Likewise.
18978
18979 2007-04-04  Richard Henderson  <rth@redhat.com>
18980
18981         * config/alpha/lib1funcs.asm: Remove unused file.
18982
18983 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18984
18985         PR other/31356
18986         * opts.c (print_specific_help): Fix --help=<language>
18987         header line.
18988         (common_handle_option): Support --help=common.
18989
18990 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18991
18992         PR other/31353
18993         * gcc.c (main): Do not run the linker if
18994         print_subprocess_help indicates that it shouldn't be
18995         run.
18996
18997 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
18998
18999         PR doc/31355
19000         * doc/invoke.texi (--help=): Document <languages> value, fix
19001         formatting in tables of values.
19002
19003 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
19004
19005         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
19006         dllimport attribute of virtual methods.
19007
19008 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
19009
19010         * config/score/crti.asm: Change _bss_start to __bss_start.
19011         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
19012         (OUTGOING_REG_PARM_STACK_SPACE) update.
19013         * config/score/score.opt: add options to make backend support
19014         score5, score5u, score7 and score7d.
19015         * config/score/score.md: Likewise.
19016         * config/score/misc.md: Likewise.
19017         * config/score/mac.md: Likewise.
19018         * doc/invoke.texi: Likewise.
19019         * doc/md.texi: update constraints define.
19020
19021 2007-04-03  Richard Henderson  <rth@redhat.com>
19022
19023         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
19024         an appropriate type, use the mode instead.
19025
19026 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
19027
19028         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
19029         Set the default --with-arch setting to mips2.
19030         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
19031         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
19032         (MULTILIB_OSDIRNAMES): Delete.
19033         (MULTILIB_DIRNAMES): Define.
19034         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
19035         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
19036         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
19037         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
19038         VXWORKS_OS_CPP_BUILTINS.
19039         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
19040         (MIPS_DEBUGGING_INFO): Undefine.
19041         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
19042
19043 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
19044
19045         PR middle-end/30704
19046         * fold-const.c (native_encode_real): Encode real.c provided longs
19047         as a series of 32-bit native integers.
19048         (native_interpret_real): Interpret buffer as a series of 32-bit
19049         native integers.
19050
19051 2007-04-03  Richard Guenther  <rguenther@suse.de>
19052
19053         * genpreds.c (write_insn_constraint_len): Write function
19054         optimized for CONSTRAINT_LEN implementation.
19055         (write_tm_preds_h): Output insn_constraint_len inline and
19056         use it for CONSTRAINT_LEN.
19057         (write_insn_preds_c): Don't output insn_constraint_len.
19058         * doc/md.texi (define_register_constraint): Document multi-letter
19059         constraints shall have the same length if they start with the same
19060         letter.
19061
19062 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19063
19064         PR target/31175
19065         * config/i386/i386.md (isinf<mode>2): Expand only when
19066         TARGET_C99_FUNCTIONS is set.
19067
19068 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
19069
19070         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
19071         (x86_64-*-linux*): Ditto.
19072         * config/i386/i386.opt (mpc): New option.
19073         * config/i386/i386.c (overrride_options): Handle
19074         ix87_precision_string.
19075         * config/i386/crtprec.c: New file.
19076         * config/i386/t-crtpc: Ditto.
19077         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
19078         and -mpc80 options.
19079         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
19080         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
19081         crtprec32.o, crtprec64.o and crtprec80.o.
19082
19083         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
19084         and -mpc80 options.
19085         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
19086
19087 2007-04-02  Eric Christopher  <echristo@apple.com>
19088
19089         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
19090         limitations on darwin.
19091
19092 2007-04-02  Anatoly Sokolov <aesok@post.ru>
19093
19094         PR target/31137
19095         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
19096
19097 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19098
19099         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
19100
19101 2007-04-02  Dave Korn  <dave.korn@artimi.com>
19102
19103         * libgcc2.h (exception_descriptor): Don't forward-declare.
19104         (__get_eh_table_language, __get_eh_table_version): Delete
19105         prototypes of long-dead functions.
19106
19107 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
19108
19109         * ebitmap.h: New file
19110         * ebitmap.c: New file
19111         * Makefile.in (ebitmap.o): New target.
19112
19113 2007-04-01  Jan Hubicka  <jh@suse.cz>
19114
19115         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
19116         before very first instruction.
19117
19118 2007-04-01  Jan Hubicka  <jh@suse.cz>
19119
19120         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
19121         waring on 64bit hosts.
19122         * bitmap.h: Fix typo in bitmap_head_def.
19123
19124 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
19125
19126         PR rtl-optimization/31391
19127         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
19128         into a DELETED_LABEL note, and the label is in an empty basic
19129         block, update BB_END as well as BB_HEAD.
19130
19131 2007-04-01  Richard Henderson  <rth@redhat.com>
19132
19133         PR tree-optimization/31169
19134         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
19135         to varying if the range is outside [0,  prec-1].
19136
19137 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
19138
19139         PR target/31388
19140         * config/mips/mips.md (load_const_gp): New insn.
19141         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
19142         the MIPS16 GP pseudo register if no_new_pseudos.
19143         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
19144
19145 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19146
19147         PR target/31364
19148         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
19149         secureplt.
19150         (call_value): Likewise.
19151
19152 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
19153             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19154
19155         PR 14737
19156         * doc/invoke.texi: (optimization options): Reword description
19157         of -ffast-math. Document its primary purpose.
19158
19159 2007-03-31  Richard Guenther  <rguenther@suse.de>
19160
19161         * omp-low.c (splay-tree.h): Include.
19162         (lookup_decl): Replace splay-tree usage by pointer-map.
19163         (maybe_lookup_decl): Likewise.
19164         (new_omp_context): Likewise.
19165         (delete_omp_context): Likewise.
19166         * gimplify.c (splay-tree.h): Include.
19167         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
19168         pointer-map.
19169         (remap_ssa_name): Likewise.
19170         (remap_decl): Likewise.
19171         (remap_type_1): Likewise.
19172         (remap_type): Likewise.
19173         (copy_body_r): Likewise.
19174         (expand_call_inline): Likewise.
19175         (clone_body): Likewise.
19176         (copy_tree_r): Likewise.
19177         (remap_save_expr): Likewise.
19178         (unsave_r): Likewise.
19179         (unsave_expr_now): Likewise.
19180         (tree_function_versioning): Likewise.
19181         (build_duplicate_type): Likewise.
19182         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
19183         (struct copy_body_data): Replace splay-tree by pointer-map.
19184         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
19185         not $(SPLAY_TREE_H).
19186         (gimplify.o): Depend on $(SPLAY_TREE_H).
19187         (omp-low.p): Likewise.
19188
19189 2007-03-31  Anatoly Sokolov <aesok@post.ru>
19190
19191         * config/avr/predicates.md (even_register_operand,
19192         odd_register_operand): New predicates.
19193         * config/avr/avr.md (movw peephole2): New.
19194         (movw_r peephole2): New.
19195
19196 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
19197
19198         * tree.h (get_signed_or_unsigned_type): New.
19199         * fold-const.c (operand_equal_for_comparison_p): Use
19200         get_signed_or_unsigned_type instead of
19201         lang_hooks.types.signed_or_unsigned_type.
19202         * expr.c (store_expr): Ditto.
19203         * langhooks.c (get_signed_or_unsigned_type): New.
19204         (lhd_signed_or_unsigned_type): New.
19205         * langhooks.h (lhd_signed_or_unsigned_type): New.
19206         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
19207
19208 2007-03-30  Richard Henderson  <rth@redhat.com>
19209
19210         * tree-ssa-loop-ivopts.c: Include target.h.
19211         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
19212         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
19213         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
19214         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
19215
19216 2007-03-30  Richard Henderson  <rth@redhat.com>
19217             Kai Tietz  <kai.tietz@onevision.com>
19218
19219         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
19220         default for 64-bit.
19221         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
19222         (TARGET_64BIT_MS_ABI): New.
19223         (DBX_REGISTER_NUMBER): Handle 64-bit.
19224         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
19225         (LONG_TYPE_SIZE): Force to 32.
19226         (REG_PARM_STACK_SPACE): New.
19227         (OUTGOING_REG_PARM_STACK_SPACE): New.
19228         (REGPARM_MAX, SSE_REGPARM_MAX): New.
19229         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19230         (STACK_BOUNDARY): Use 128 for 64-bit.
19231         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
19232         Add 64-bit implementation.
19233         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
19234         argument unused.
19235         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
19236         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
19237         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
19238         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
19239         (ix86_handle_cconv_attribute): Don't warn when ignoring if
19240         TARGET_64BIT_MS_ABI.
19241         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
19242         (ix86_pass_by_reference): Likewise.
19243         (ix86_function_value_regno_p): Likewise.
19244         (ix86_build_builtin_va_list): Likewise.
19245         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
19246         (function_arg_advance_ms_64): New.
19247         (function_arg_advance): Call it.
19248         (function_arg_ms_64): New.
19249         (function_arg): Call it.
19250         (function_value_ms_64): New.
19251         (ix86_function_value_1): Call it.
19252         (return_in_memory_ms_64): New.
19253         (ix86_return_in_memory): Call it.
19254         (setup_incoming_varargs_ms_64): New.
19255         (ix86_setup_incoming_varargs): Call it.
19256         (ix86_expand_prologue): Handle 64-bit stack probing.
19257         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
19258         (output_pic_addr_const): Likewise.
19259         (x86_this_parameter): Likewise.
19260         (x86_output_mi_thunk): Likewise.
19261         (x86_function_profiler): Likewise.
19262         (TARGET_STRICT_ARGUMENT_NAMING): New.
19263         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
19264         (TARGET_64BIT_MS_ABI): New.
19265         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
19266         * config/i386/i386.md (allocate_stack_worker): Remove.
19267         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
19268         describe the clobber of eax without a match_scratch.
19269         (allocate_stack_worker_postreload): Remove.
19270         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
19271         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
19272         (allocate_stack_worker_rex64_postreload): Remove.
19273         (allocate_stack): Handle 64-bit.
19274         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
19275         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
19276         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
19277         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
19278         (STANDARD_STARTFILE_PREFIX_1): Likewise.
19279         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
19280         * config.build (x86_64-*-mingw*): New host.
19281         * config.host (x86_64-*-mingw*): New host.
19282         * config.gcc (x86_64-*-mingw*): New target.
19283         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
19284
19285 2007-03-30  Richard Henderson  <rth@redhat.com>
19286             Kai Tietz  <kai.tietz@onevision.com>
19287
19288         * c-pragma.c (struct def_pragma_macro_value): New.
19289         (struct def_pragma_macro): New.
19290         (pushed_macro_table): New.
19291         (dpm_hash, dpm_eq): New.
19292         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
19293         (init_pragma): Install them.
19294         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
19295
19296 2007-03-30  Anatoly Sokolov <aesok@post.ru>
19297
19298         * config/avr/avr.c (avr_override_options): Clear
19299         'flag_delete_null_pointer_checks'.
19300
19301 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
19302
19303         PR c++/26099
19304         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
19305         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
19306         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
19307         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
19308         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
19309         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
19310         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
19311         C++ extensions.
19312         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
19313
19314 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
19315
19316         * regmove.c: Move all of pass_stack_adjustments from here...
19317         * combine-stack-adj.c: ...to this new file.
19318         * Makefile.in: Add rules for combine-stack-adj.o.
19319
19320 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
19321
19322         PR tree-optimization/31383
19323         * tree-data-ref.c (affine_function_equal_p): Do not require the
19324         vectors to have the same length.
19325
19326 2007-03-30  Jan Hubicka  <jh@suse.cz>
19327
19328         PR middle-end/30700
19329         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
19330         availablility; add more sanity checking; ask varpool only about
19331         VAR_DECL.
19332
19333 2007-03-29  Richard Henderson  <rth@redhat.com>
19334
19335         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
19336         to decide, but __SIZEOF_LONG_LONG__.
19337
19338 2007-03-29  Richard Henderson  <rth@redhat.com>
19339
19340         * emutls.c (struct __emutls_array): New.
19341         (emutls_destroy): Use it instead of casting element 0 from void*.
19342         (__emutls_get_address): Likewise.
19343
19344 2007-03-29  Richard Henderson  <rth@redhat.com>
19345
19346         * varasm.c (initializer_constant_valid_p): Don't deny
19347         DECL_DLLIMPORT_P on functions.
19348
19349         * config/i386/cygming.h: Remove function declarations.
19350         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
19351         (ASM_OUTPUT_LABELREF): Remove.
19352         (COMMON_ASM_OP): Remove.
19353         (ASM_OUTPUT_COMMON): Remove.
19354         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
19355         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
19356         (ASM_DECLARE_FUNCTION_NAME): Likewise.
19357         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
19358         Rename from TARGET_ENCODE_SECTION_INFO.
19359         * config/i386/netware.h: Likewise.
19360         * config/i386/i386-protos.h: Update.
19361         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
19362         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
19363         (legitimate_constant_p): Reject dllimports.
19364         (dllimport_map, get_dllimport_decl): New.
19365         (legitimize_dllimport_symbol): New.
19366         (legitimize_address, ix86_expand_move): Use it.
19367         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
19368         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
19369         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
19370         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
19371         * config/i386/predicates.md (constant_call_address_operand): Only
19372         accept symbols; reject dllimport_p symbols.
19373         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
19374         i386_pe_maybe_record_exported_symbol.
19375         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
19376         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
19377         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
19378         trust the setting of DECL_DLLIMPORT_P.
19379         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
19380         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
19381         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
19382         tidy the argument scanning loop.
19383         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
19384         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
19385         (i386_pe_strip_name_encoding): Remove.
19386         (i386_pe_binds_local_p): New.
19387         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
19388         (i386_pe_output_labelref): Remove.
19389         (i386_pe_asm_output_aligned_decl_common): New.
19390         (i386_pe_maybe_record_exported_symbol): Rename from
19391         i386_pe_record_exported_symbol; check for dllexported symbols.
19392
19393 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
19394
19395         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
19396         add comment explaining why vsnprintf cannot be used.
19397
19398 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
19399
19400         PR tree-optimization/30666
19401         * tree.c (build_complex_type): When creating type names for DWARF2
19402         debug info, create TYPE_DECLs for TYPE_NAME instead of
19403         IDENTIFIER_NODEs.
19404         (build_common_tree_nodes_2): Use build_complex_type when building
19405         predefined complex types, to preserve canonical types.
19406
19407 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
19408
19409         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
19410         (noce_get_alt_condition): Look at it to determine whether to
19411         reverse the condition or not.
19412         (noce_get_condition): Substitute the truth for lies.
19413         (noce_find_if_block): Set the then_else_reversed field.
19414
19415 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
19416
19417         * config/fr30/fr30.md (movdi): Do not accept immediates as the
19418         destination of this insn.
19419         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
19420         than calling gen_rtx_SET directly.  Use r0 to hold the value of
19421         'address + 4' rather than a stack based temporary which can be
19422         mis-optimized away.
19423
19424 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19425
19426         * config/s390/s390.c (s390_secondary_input_reload_class,
19427         s390_secondary_output_reload_class): Functions removed.
19428         (s390_secondary_reload): New function.
19429         (TARGET_SECONDARY_RELOAD): Target macro defined.
19430         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
19431         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
19432         * config/s390/s390.md ("reload_outti", "reload_outdi",
19433         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
19434         "reload_out<mode>"): Expanders removed.
19435         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
19436         "reload<mode>_nonoffmem_out"): Expanders added.
19437
19438 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
19439
19440         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
19441         action if SRC->DEST replacement failed anyway.
19442
19443 2007-03-28  Mike Stump  <mrs@apple.com>
19444
19445         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
19446         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
19447         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
19448
19449 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
19450
19451         * config.gcc: Accept barcelona as a variant of amdfam10.
19452         * config/i386/i386.c (override_options): Likewise.
19453         * doc/invoke.texi: Likewise.
19454
19455 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
19456
19457         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
19458         offsets for BIT_FIELD_REF and COMPONENT_REF.
19459
19460 2007-03-28  Richard Guenther  <rguenther@suse.de>
19461
19462         * tree.c (is_global_var): Move ...
19463         * tree-flow-inline.h (is_global_var): ... here.
19464         * tree.h (is_global_var): Remove declaration.
19465
19466 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
19467
19468         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
19469         option.
19470         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
19471         * config/i386/i386.c (ix86_tune_features): Initialize new
19472         tuning option.
19473         * config/i386/predicates.md (promotable_binary_operator): Use
19474         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
19475
19476 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
19477
19478         PR target/31380
19479         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
19480
19481 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
19482
19483         * config/fr30/fr30.md (movsi_internal): Change destination
19484         constraint from m to V and add m to the end.
19485
19486 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19487
19488         * config/sh/sh.md (movsi_i): Fix type attribute.
19489
19490 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19491
19492         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
19493         (movsf_ie): Likewise.
19494
19495 2007-03-28  Christian Bruel  <christian.bruel@st.com>
19496
19497         * config.gcc: Add sh4-300 to multilib.
19498         * config/sh/t-mlib-sh4-300: New file.
19499
19500 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
19501
19502         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
19503         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
19504         fix_trunc<mode>di2.
19505         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
19506         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
19507         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
19508         "fixuns_trunctddi2"): Whitespace fix.
19509
19510 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
19511
19512         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
19513         the definition of struct sh_args.
19514         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
19515         CALL_COOKIE_INT_REG_GET): Likewise.
19516
19517 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
19518
19519         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
19520         transformations are applied successfully.
19521
19522 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
19523
19524         * tree.c (tree_contains_struct): Permit 512 tree codes.
19525         * tree.h (tree_contains_struct): Ditto.
19526         (MAX_TREE_CODES): Ditto.
19527         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
19528         SPARE member to store remaining padding bits.
19529
19530 2007-03-27  Anatoly Sokolov <aesok@post.ru>
19531
19532         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
19533         architecture.
19534
19535 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
19536
19537         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
19538         * configure: Regenerate.
19539
19540         * configure: Regenerate using the correct version of autoconf.
19541
19542 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
19543
19544         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
19545         pointer regs.
19546         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
19547         regs to "__SP_L__" and "__SP_H__".
19548
19549 2007-03-27  Richard Guenther  <rguenther@suse.de>
19550
19551         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
19552         computations with it with a HOST_WIDE_INT variable.
19553
19554 2007-03-26  Mike Stump  <mrs@apple.com>
19555
19556         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
19557         objective-c-header, objective-c++-header and objc++-cpp-output
19558         support.
19559         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
19560
19561 2007-03-26  Richard Henderson  <rth@redhat.com>
19562
19563         PR target/31361
19564         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
19565         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
19566         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
19567         IX86_BUILTIN_PSRLQ128): New.
19568         (ix86_init_mmx_sse_builtins): Add them.
19569         (ix86_expand_builtin): Expand them.
19570         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
19571         operand 2 be TImode.
19572         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
19573         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
19574         _mm_srli_epi64): Mark __B const.
19575         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
19576         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
19577         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
19578         new two-vector shift builtins.
19579
19580 2007-03-26  Ian Lance Taylor  <iant@google.com>
19581
19582         PR tree-optimization/31345
19583         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
19584         [+INF, +INF(OVF)] into VARYING.
19585
19586 2007-03-26  Zack Weinberg  <zackw@panix.com>
19587
19588         * gengtype-parse.c: New file.
19589         * gengtype-yacc.y: Delete.
19590         * gengtype-lex.l: Don't include gengtype-yacc.h.
19591         Define YY_DECL and yyterminate appropriately for recursive
19592         descent parser.  yylval is now a string out-parameter to yylex.
19593         (HWS, EOID): New shorthand.
19594         (IWORD): Add a couple more types.
19595         (yylex): Add a setup stanza.  Remove the complex rules for
19596         detecting GTY'ed types and typedefs; replace with simple
19597         keyword detectors.  Adjust everything for the changed
19598         definition of yylval.  Ignore all pp-directives, not just #define.
19599         (yyerror): Delete.
19600         (parse_file): Rename yybegin; do not call yyparse.
19601         (yyend): New.
19602         * gengtype.c (xasprintf): Export again.
19603         (this_file): New.  Use everywhere __FILE__ was being used.
19604         (get_lang_bitmap): Special case types defined in gengtype.c.
19605         (do_typedef, new_structure): Suppress definition of certain types.
19606         (new_structure): Improve diagnostics of duplicate definitions.
19607         Make sure location_s is associated with input.h.
19608         (nreverse_pairs, define_location_structures): New functions.
19609         (main): Improve tagging of kludge types.  Remove old kludges
19610         for input.h types; use define_location_structures.
19611         * gengtype.h: Update prototypes.  Define token codes here.
19612         * Makefile.in: Remove all references to gengtype-yacc.
19613         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
19614         and gengtype.
19615         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
19616         add GTY((skip)) to the field that's only conditionally there.
19617         * doc/install.texi: Document that Bison is no longer required
19618         unless building treelang.
19619
19620         * gengtype.c: Don't include gtyp-gen.h.
19621         (srcdir): Declare here.
19622         (base_files, lang_dir_names): Allocate dynamically.
19623         (gt_files, num_gt_files, num_lang_dirs): New globals.
19624         (measure_input_list, read_input_line, read_input_list)
19625         (set_lang_bitmap): New functions.
19626         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
19627         simplify, relying on read_input_list to set up the bitmaps.
19628         (main): Arguments are no longer unused.  Check for correct number
19629         of command line arguments, set srcdir and srcdir_len, then call
19630         read_input_list, before doing anything else.  No need to worry
19631         about duplicates in main loop.
19632         * configure.ac: Simplify the calculation of all_gtfiles.
19633         Put language tags in there.  Don't set or substitute
19634         all_gtfiles_files_langs or all_gtfiles_files_frags.
19635         * Makefile.in: Revamp the way gengtype is invoked, now that it
19636         takes a file on its command line with a much simpler format.
19637         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
19638         (GTFILES): Remove duplicates and C source files.
19639         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
19640         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
19641         * configure: Regenerate.
19642
19643         * gengtype.h: Remove all type definitions to gengtype.c; leave
19644         only definitions of options_p, type_p, and pair_p as opaque
19645         pointers.  Update prototypes.
19646         * gengtype.c: Many type definitions moved here from gengtype.h.
19647         Consolidate type definitions at the top of the file.
19648         (xvasprintf): Delete.
19649         (xasprintf): Make static.
19650         (create_nested_pointer_option): Add 'next' parameter.
19651         (create_field_all, create_field_at): New functions.
19652         (create_field): Now a thin wrapper around create_field_all.
19653         (create_optional_field): Rename create_optional_field_ and add
19654         line argument.  Original name is now a macro which supplies
19655         __LINE__.
19656         (oprintf): Use vsnprintf directly.
19657         (close_output_files): Use fatal rather than perror/exit.
19658         (note_def_vec, note_def_vec_alloc): Use create_field_at.
19659         (main): Set progname.  Don't use exit.
19660         * gengtype-yacc.y (struct_fields): Use create_field_at.
19661         (option, optionseqopt): Delete.
19662         (optionseq): Consolidate productions from option here so we
19663         can use the first argument to create_option.
19664
19665         * gengtype-lex.l: Distinguish unions from structures in the
19666         token type.  Don't call find_structure; return the tag as a string.
19667         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
19668         ENT_UNION.  Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
19669         string.  Reorganize typedef_struct production accordingly.
19670         Use create_nested_ptr_option.
19671         * gengtype.c (create_nested_ptr_option): New function.
19672         * gengtype.h: Declare it.
19673
19674         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
19675         (string_type): Don't declare.
19676         (do_scalar_typedef): Declare.
19677         (create_scalar_type): Update prototype.
19678         * gengtype.c (string_type): Make static.
19679         (scalar_nonchar, scalar_char): New.
19680         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
19681         (resolve_typedef): Use scalar_nonchar for error recovery.
19682         (create_scalar_type): Remove name_len field.  Return scalar_char
19683         or scalar_nonchar as appropriate.
19684         (adjust_field_type): Look at scalar_is_char boolean to decide whether
19685         to use string_type.
19686         (throughout): Use scalar_nonchar instead of calling
19687         create_scalar_type, whenever possible.
19688         (main): Initialize scalar_char and scalar_nonchar before calling
19689         gen_rtx_next.
19690         * gengtype-lex.l: Adjust for removal of second argument to
19691         create_scalar_type.  Use yylval.s instead of yylval.t when
19692         returning SCALAR.
19693         * gengtype-yacc.y: Type of SCALAR is string.  Call
19694         create_scalar_type from type:SCALAR rule.  Adjust for removal of
19695         second argument to create_scalar_type.
19696
19697         * vec.h: Remove all #if IN_GENGTYPE blocks.
19698         Add comment saying that changes may require adjustments to gengtype.
19699         * gengtype.c: Don't include coretypes.h or tm.h.
19700         Add comment to inclusion of errors.h.
19701         (note_def_vec, note_def_vec_alloc): New functions.
19702         * gengtype.h: Declare new functions.
19703         * gengtype-lex.l: Don't include coretypes.h.
19704         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
19705         Delete.
19706         (update_lineno): Remove unnecessary prototype.
19707         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
19708         (VEC rule): Just return VEC_TOKEN.
19709         * gengtype-yacc.y (VEC_TOKEN): New token type.
19710         (type): Add a production for VEC(a,b).
19711         * Makefile.in: Update dependencies.
19712
19713         * gengtype-lex.l: Remove rules for parsing pointer-to-function
19714         typedefs that use the old PARAMS macro.
19715
19716         * gengtype-lex.l: Remove all rules and states relating to yacc
19717         input files.
19718         * gengtype-yacc.y: Similarly.
19719         * gengtype.c (note_yacc_type): Delete function.
19720         * gengtype.h: Update prototypes.
19721
19722 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
19723
19724         * tree-pretty-print.c (dump_generic_node): Report precision of
19725         unnamed integer types.
19726
19727 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
19728
19729         * ifcvt.c (noce_try_store_flag_constants): Don't check
19730         no_new_pseudos here.
19731         (noce_try_store_flag_constants): Don't check no_new_pseudos.
19732         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
19733         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
19734         noce_try_sign_mask): Likewise.
19735         (if_convert): Check no_new_pseudos here.
19736
19737         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
19738         Remove prototypes.
19739         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
19740         (noce_get_condition): Handle new then_else_reversed argument.
19741         (noce_init_if_info): Remove, fold into noce_find_if_block.
19742         (noce_process_if_block): Take a struct noce_if_info as the
19743         argument.  Don't set up one based on ce_if_info.  Update pointer
19744         references accordingly.
19745         (cond_move_process_if_block): Likewise.
19746         (process_if_block): Removed.
19747         (find_if_block): Removed.  Move functionality two new functions,
19748         noce_find_if_block and cond_exec_find_if_block.
19749         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
19750         blocks and the symmetric IF-ELSE-JOIN case.
19751         (cond_exec_find_if_block): Also new function mostly based on old
19752         find_if_block and process_if_block.
19753         (find_if_header): Replace find_if_block call with separately
19754         guarded calls to noce_find_if_block and cond_exec_find_if_block.
19755         (find_cond_trap): Update noce_get_condition call.
19756         (dead_or_predicable): Likewise.
19757
19758 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
19759
19760         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
19761         Remove.
19762         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
19763         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
19764         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
19765         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
19766         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
19767         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
19768         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
19769         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
19770         __builtin_ia32_psrad128 builtins.
19771
19772 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
19773
19774         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
19775         * config/i386/constraints.md
19776         (define_constraint "I"): Use IN_RANGE macro.
19777         (define_constraint "J"): Ditto.
19778         (define_constraint "K"): Ditto.
19779         (define_constraint "M"): Ditto.
19780         (define_constraint "N"): Ditto.
19781         (define_constraint "O"): Ditto.
19782         * config/i386/predicates.md
19783         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
19784         (define_predicate "const_0_to_3_operand"): Ditto.
19785         (define_predicate "const_0_to_7_operand"): Ditto.
19786         (define_predicate "const_0_to_15_operand"): Ditto.
19787         (define_predicate "const_0_to_63_operand"): Ditto.
19788         (define_predicate "const_0_to_255_operand"): Ditto.
19789         (define_predicate "const_1_to_31_operand"): Ditto.
19790         (define_predicate "const_2_to_3_operand"): Ditto.
19791         (define_predicate "const_4_to_7_operand"): Ditto.
19792
19793 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19794
19795         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
19796         in SImode for save_world.
19797         * config/rs6000/altivec.md (save_world, restore_world): Convert to
19798         LR hard reg.
19799
19800 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
19801
19802         PR tree-optimization/30784
19803         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
19804         BIT_FIELD_REF.
19805
19806 2007-03-25  Revital Eres  <eres@il.ibm.com>
19807
19808         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
19809           Fold movement_possibility function into it.
19810
19811 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
19812
19813         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
19814         (load_macho_picbase_{si,di}): Convert to LR hard reg.
19815         (call_indirect_nonlocal_darwin64): Same.
19816         (call_nonlocal_darwin64): Same.
19817         (call_value_indirect_nonlocal_darwin64): Same.
19818         (call_value_nonlocal_darwin64): Same.
19819         (sibcall_nonlocal_darwin64): Same.
19820         (sibcall_value_nonlocal_darwin64): Same.
19821         (sibcall_symbolic_64): Same.
19822         (sibcall_value_symbolic_64): Same.
19823         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
19824         LR pseudo.
19825         (rs6000_emit_load_toc_table): Same.
19826         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
19827         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
19828         (mull_call): Same.
19829         (divss_call): Same.
19830         (divus_call): Same.
19831         (quoss_call): Same.
19832         (quous_call): Same.
19833         (load_toc_v4_pic_si): Same
19834         (load_toc_v4_PIC_1): Same.
19835         (load_toc_v4_PIC_1b): Same.
19836         (call_indirect_aix{32,64}): Same.
19837         (call_value_indirect_aix{32,64}): Same.
19838         (call): Same.
19839         (call_value): Same.
19840         (call_local{32,64}): Same.
19841         (call_value_local{32,64}): Same.
19842         (call_indirect_nonlocal_aix{32,64}): Same.
19843         (call_nonlocal_aix{32,64}): Same.
19844         (call_value_indirect_nonlocal_aix{32,64}): Same.
19845         (call_value_nonlocal_aix{32,64}): Same.
19846         (call_indirect_nonlocal_sysv<mode>): Same.
19847         (call_nonlocal_sysv<mode>): Same.
19848         (call_value_indirect_nonlocal_sysv<mode>): Same.
19849         (call_value_nonlocal_sysv<mode>): Same.
19850         (sibcall): Same.
19851         (sibcall_local{32,64}): Same.
19852         (sibcall_value_local{32,64}): Same.
19853         (sibcall_nonlocal_aix{32,64}): Same.
19854         (sibcall_value_nonlocal_aix{32,64}): Same.
19855         (sibcall_nonlocal_sysv<mode>): Same.
19856         (sibcall_value): Same.
19857         (sibcall_value_nonlocal_sysv<mode>): Same.
19858
19859 2007-03-24  Paul Brook  <paul@codesourcery.com>
19860
19861         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
19862         * config/arm/linux-eabi.h: Remove legacy syscall hack.
19863
19864 2007-03-24  Richard Henderson  <rth@redhat.com>
19865
19866         * config/ia64/constraints.md: New file.
19867         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
19868         satisfies_constraint_?.
19869         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
19870         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
19871         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
19872         ia64_output_mi_thunk): Likewise.
19873         (ia64_const_ok_for_letter_p): Remove.
19874         (ia64_const_double_ok_for_letter_p): Remove.
19875         (ia64_extra_constraint): Remove.
19876         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
19877         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
19878         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
19879         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
19880         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
19881         EXTRA_MEMORY_CONSTRAINT): Remove.
19882         * config/ia64/ia64.md: Include constriants.md.  Replace
19883         CONST_OK_FOR_? with satisfies_constraint_?.
19884
19885 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
19886             H.J. Lu  <hongjiu.lu@intel.com>
19887
19888         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
19889         DPD or BID name.
19890         (name macros): Use DPD_BID_NAME to convert names properly.
19891
19892         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
19893         decimal floating point format.
19894         (init_floating_libfuncs): Change decimal functions so that they
19895         have a "bid_" prefix if the decimal system uses the BID format,
19896         and "dpd_" prefix if the decimal system uses the DPD format.
19897         (init_interclass_conv_libfuncs): Ditto.
19898         (init_intraclass_conv_libfuncs): Ditto.
19899
19900         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19901         using the BID format.
19902
19903         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19904         whether we are using the BID decimal format.
19905         * configure: Regenerate.
19906
19907         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19908         the compiler has decimal floating point enabled.  Define
19909         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19910         instead of DPD.
19911
19912         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
19913         using the BID format.
19914
19915         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
19916         whether we are using the BID decimal format.
19917         * configure: Regenerate.
19918
19919         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
19920         the compiler has decimal floating point enabled.  Define
19921         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
19922         instead of DPD.
19923
19924         * doc/install.texi (--enable-decimal-float): Document BID and DPD
19925         options, and that it is enabled for i386/x86_64 systems.
19926
19927         * Makefile.in (enable_decimal_float): New.
19928         (DECNUMFMT): New.
19929         (DECNUMINC): Add  -I$(DECNUMFMT).
19930         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
19931         to $(DECNUMFMT) from $(DECNUM).
19932
19933         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
19934         Substitute enable_decimal_float.
19935         * configure: Regenerated.
19936
19937         PR other/30529
19938         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
19939         unsigned long.
19940
19941         * configure.ac: Enable decimal float for x86_64-*-linux*.
19942         * configure: Regenerated.
19943
19944         PR other/30530
19945         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
19946         decimal128ClearSign to flip and clear the sign bit in decimal128.
19947         (decimal_real_maxval): Set decimal128SetSign to set the sign
19948         bit in decimal128.
19949
19950 2007-03-23  Ian Lance Taylor  <iant@google.com>
19951
19952         * fold-const.c (fold_binary): Correct warning for X - c >= X.
19953
19954 2007-03-23  Ian Lance Taylor  <iant@google.com>
19955
19956         * tree-dump.c (dump_files): Correct comment.
19957
19958 2007-03-23  Ian Lance Taylor  <iant@google.com>
19959
19960         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
19961
19962 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
19963
19964         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
19965         in cfglayout mode.  Don't go into and out of cfglayout mode.
19966         Link the blocks in the order of the constructed traces.
19967         (rest_of_handle_tracer): Adjust call to tracer.
19968         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
19969         Don't go into cfglayout mode.
19970         (rtl_loop_done): Don't go out of cfglayout mode.
19971         * cfglayout.c (relink_block_chain): New function, split out from...
19972         (fixup_reorder_chain): ...here.  Remove redundant checking.
19973         (cfg_layout_finalize): Don't clear the header, footer, and aux
19974         fields here, move the code to do so to relink_block_chain.  Likewise
19975         for free_original_copy_tables.
19976         * rtl.h (tracer): Update prototype.
19977         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
19978         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
19979         mode.  Use relink_block_chain to serialize the CFG according to the
19980         new basic block order.  Move targetm.cannot_modify_jumps_p check from
19981         here...
19982         (gate_handle_reorder_blocks): ...to here.
19983         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
19984         from here...
19985         (gate_duplicate_computed_gotos): ...to here.
19986         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
19987         something always changes when going into and out of cfglayout mode.
19988         Perform an expensive cfg cleanup while going into cfglayout mode.
19989         Always update liveness information on HAVE_conditional_execution
19990         targets.  Reserialize the basic blocks and go out of cfglayout mode.
19991         * reg-stack.c: Include cfglayout.h.
19992         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
19993         the call to reorder_basic_blocks.
19994         * basic-block.h (reorder_basic_blocks): Update prototype.
19995         (relink_block_chain): New prototype.
19996         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
19997
19998 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
19999
20000         * config/mips/mips.md (type, hazard, *movdi_32bit,
20001         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
20002         *movhi_internal, *movqi_internal, *movsf_hardfloat,
20003         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
20004         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
20005         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
20006         applicable.
20007         (movcc): Change first xfer to multi.
20008         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
20009         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
20010         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
20011         config/mips/generic.md: Change reservations using "xfer" to use
20012         "mfc,mtc".
20013         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
20014         using match_operand.
20015         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
20016         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
20017         examining mode.
20018         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
20019
20020 2007-03-22  Richard Henderson  <rth@redhat.com>
20021
20022         * config/i386/i386.c: Remove unnecessary function declarations.
20023         Move targetm definition, and all related macros, to the end of
20024         the file.  Resort some functions to put definitions before uses.
20025         (ix86_attribute_table): Make static.  Move to end of file.
20026         (ix86_gimplify_va_arg): Make static.
20027
20028 2007-03-22  Richard Henderson  <rth@redhat.com>
20029
20030         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
20031         don't increase local_regparm with force_align_arg_pointer check.
20032         (ix86_function_sseregparm): Assert 32-bit.
20033         (type_has_variadic_args_p): New.
20034         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
20035         type_has_variadic_args_p.
20036         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
20037         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
20038         use memset instead.  Do maybe_vaarg check first; skip attribute
20039         tests if true; skip attribute tests for 64-bit.
20040         (construct_container): Remove TARGET_DEBUG_ARG.
20041         (function_arg_advance_32, function_arg_advance_64): Split out ...
20042         (function_arg_advance): ... from here.
20043         (function_arg_32, function_arg_64): Split out ...
20044         (function_arg): ... from here.
20045         (ix86_pass_by_reference): Tidy.
20046         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
20047         (function_value_32): New, from parts of ix86_function_value
20048         and ix86_value_regno.
20049         (function_value_64): New, from parts of ix86_function_value
20050         and ix86_libcall_value.
20051         (ix86_function_value_1): New.
20052         (ix86_function_value, ix86_libcall_value): Use it.
20053         (return_in_memory_32, return_in_memory_64): Split out ...
20054         (ix86_return_in_memory): ... from here.
20055         (ix86_struct_value_rtx): Skip for 64-bit.
20056         (ix86_libcall_value, ix86_value_regno): Remove.
20057         (setup_incoming_varargs_64): Split out ...
20058         (ix86_setup_incoming_varargs): ... from here.
20059         (ix86_va_start): Remove TARGET_DEBUG_ARG.
20060         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
20061         * config/i386/i386-protos.h (ix86_function_value): Remove.
20062         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
20063
20064 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20065
20066         PR other/23572
20067         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
20068         infinities not supported, otherwise emit warning if -Woverflow. On
20069         underflow, emit warning if -Woverflow.
20070         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
20071         and 0 otherwise.
20072         * real.h (real_from_string): Update declaration
20073
20074 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
20075             Richard Henderson  <rth@redhat.com>
20076
20077         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
20078         * calls.c (compute_argument_block_size, expand_call,
20079         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
20080         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
20081         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
20082         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
20083         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
20084         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
20085         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
20086         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
20087         Set to 1.
20088
20089 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
20090
20091         * c-incpath.c (add_sysroot_to_chain): New.
20092         (merge_include_chains): Add sysroot argument.  Call
20093         add_sysroot_to_chain if sysrooted.
20094         (register_include_chains): Update call to merge_include_chains.
20095         * doc/cppopts.texi: Document use of '=' in include directory
20096         arguments.
20097
20098 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
20099
20100         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
20101         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
20102         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
20103         insn pattern using X87MODEF12 mode macro.
20104
20105 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
20106
20107         * regmove.c (regmove_optimize): Use reg_mentioned_p
20108         instead of reg_overlap_mentioned_p for DST.
20109
20110 2007-03-21  Mike Stump  <mrs@apple.com>
20111
20112         * c.opt: Fixup for Objective-C/C++.
20113
20114 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
20115
20116         * explow.c (convert_memory_address): Fold memory reference when
20117         POINTERS_EXTEND_UNSIGNED < 0
20118
20119 2007-03-21  Richard Henderson  <rth@redhat.com>
20120
20121         PR target/31245
20122         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
20123         * config/i386/mmintrin.h (__m64): Likewise.
20124         * config/i386/xmmintrin.h (__m128): Likewise.
20125
20126 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20127
20128         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
20129         (VXWORKS_OS_CPP_BUILTINS): Define.
20130         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
20131         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
20132
20133 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20134
20135         * rtl.h (constant_pool_reference_p): Delete.
20136         (find_constant_src): Declare.
20137         * rtlanal.c (find_constant_src): New function.
20138         * simplify-rtx.c (constant_pool_reference_p): Delete.
20139         * config/i386/i386.md: Use find_constant_src instead of
20140         constant_pool_reference_p/avoid_constant_pool_reference pairs.
20141
20142 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
20143
20144         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
20145         * c-cppbuiltin.c (c_cpp_builtins): Define them.
20146
20147 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
20148
20149         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
20150         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
20151         (arm_elf_asm_constructor): Use it.
20152         (arm_elf_asm_destructor): New function.
20153
20154 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
20155
20156         * jump.c (mark_jump_label): Treat SEQUENCE specially.
20157
20158 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
20159
20160         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
20161
20162 2007-03-19  Andrew Haley  <aph@redhat.com>
20163
20164         PR tree-optimization/31264
20165         * tree-vrp.c (register_edge_assert_for_1): Don't look though
20166         VIEW_CONVERT_EXPRs.
20167
20168 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
20169
20170         PR rtl-optimization/30907
20171         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
20172         (fwprop_init): Always call loop_optimizer_initialize.
20173         (fwprop_done): Always call loop_optimizer_finalize.
20174         (fwprop): We always have loop info now.
20175         (gate_fwprop_addr): Remove.
20176         (pass_fwprop_addr): Use gate_fwprop as gate.
20177
20178         PR rtl-optimization/30841
20179         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
20180         df_chain_alloc): Call df_reorganize_refs unconditionally.
20181         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
20182         refs_organized to refs_organized_size.
20183         (df_ref_create_structure): Use refs_organized_size instead of
20184         bitmap_size if refs had been organized, and keep refs_organized_size
20185         up-to-date.
20186         * df.h (struct df_ref_info): Change refs_organized to
20187         refs_organized_size.
20188         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
20189         bitmap_size.
20190
20191 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
20192
20193         * except.c (output_function_exception_table): Do not reference the
20194         EH personality routine for functions that do not require an
20195         exception table.
20196
20197 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
20198
20199         PR c/30762
20200         * c-typeck.c (convert_for_assignment): Call comptypes for
20201         RECORD_TYPE or UNION_TYPE.
20202
20203         PR inline-asm/30505
20204         * reload1.c (reload): Do invalid ASM checking after
20205         cleanup_subreg_operands.
20206
20207 2007-03-19  Jeff Law  <law@redhat.com>
20208
20209         * tree-cfg.c (find_taken_edge): Tighten conditions for
20210         optimizing computed gotos.
20211
20212 2007-03-19  Michael Matz  <matz@suse.de>
20213
20214         * builtins.c (expand_builtin_sync_operation,
20215         expand_builtin_compare_and_swap,
20216         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
20217         correctly.
20218
20219         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
20220         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
20221         for operand 3.
20222
20223 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20224
20225         * doc/tm.texi: Add brackets around the return type of
20226         TARGET_SECONDARY_RELOAD.
20227
20228 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20229         Richard Guenther  <rguenther@suse.de>
20230
20231         PR tree-optimization/31254
20232         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
20233         Use handled_component_p () where appropriate.  Continue
20234         propagating into the rhs if we propagated into an INDIRECT_REF
20235         on the lhs.
20236
20237 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20238
20239         * config/s390/s390.md (op_type attribute): RRR instruction type added.
20240         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
20241         (xde, xdee): Mode attributes adjusted to support DFP modes.
20242         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
20243         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
20244         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
20245         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
20246         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
20247         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20248         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
20249         numbers.
20250         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
20251         "movsf"): Insn definitions removed.
20252         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
20253         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
20254         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
20255         definitions added.
20256         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
20257         "reload_in<mode>", "reload_out<mode>"): Expander added.
20258         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
20259         Expander removed.
20260
20261 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20262
20263         * config/s390/s390.md: Only non-functional changes.  Renamed
20264         FPR mode macro to BFP all over the file.
20265
20266 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20267
20268         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
20269         (op_type attribute): RRF instruction type added.
20270         (fT0): New mode attribute.
20271         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
20272         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
20273         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
20274         instruction no secondary memory is needed when moving DFmode values
20275         between GPRs and FPRs.
20276
20277 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20278
20279         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
20280         inverted and documentation adjusted.
20281         ("mhard-dfp", "msoft-dfp"): New options.
20282         * config/s390/s390.c (s390_handle_arch_option): New architecture
20283         switch: z9-ec.
20284         (override_options): Sanity checks for the new options added.
20285         * config.gcc: New architecture switch: z9-ec.
20286         * config/s390/s390.h (processor_flags): PF_DFP added.
20287         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
20288         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
20289         when the bit is NOT set so remove it from the defaults.
20290
20291 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
20292
20293         * genemit.c (main): Print include statement for dfp.h.
20294         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
20295         is not available.
20296
20297 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20298
20299         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
20300
20301 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
20302
20303         PR target/31022
20304         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
20305         instead of PATTERN.
20306
20307 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20308
20309         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
20310         attr_length_call, output_call, output_indirect_call): Cleanup
20311         formatting of targetm calls.
20312
20313 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
20314
20315         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
20316
20317 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20318
20319         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
20320         reservation, bypass and anti-bypass descriptions for these
20321         instructions.  Update move patterns.
20322         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
20323         TYPE_FPSTORE.
20324
20325 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
20326
20327         * tree-vect-transform.c (get_initial_def_for_induction): Replace
20328         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
20329         (get_initial_def_for_reduction): Likewise.
20330
20331 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
20332
20333         Fix PR tree-optimization/29922
20334         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
20335         (get_representative): Removed.
20336         (value_dies_in_block_x): Update for rvuse removal.
20337         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
20338         (compute_antic_aux): Handle when PHI nodes appear in
20339         non-single-successors.
20340         (dump_bitmap_of_names): Removed.
20341         (compute_antic_safe): Renamed and removed rvuse calculation.
20342         Calculate only antic safe.
20343         (insert_into_preds_of_block): Remove assert.
20344         (execute_pre): Update for renamed functions.
20345         (defer_or_phi_translate_block): New function.
20346
20347 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20348
20349         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
20350         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
20351         typos.
20352         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
20353         Follow spelling conventions.
20354
20355         * tree-data-ref.h: Remove the prototype for analyze_array.
20356
20357 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
20358
20359         PR tree-optimization/31041
20360         * tree-vect-transform.c (get_initial_def_for_induction): Call
20361         force_gimple_operand.
20362
20363 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
20364
20365         * ipa-type-escape.c (look_for_casts) : Revert code to use
20366         handled_component_p due to ada test a-numaux.adb.
20367
20368 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
20369
20370         * final.c (final_scan_insn): Alter the condition of a
20371         conditional trap if we have nonstandard CC.
20372
20373 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20374
20375         * configure.ac: Remove excess quoting from asm line 0 test.
20376         * configure: Rebuilt.
20377
20378 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20379
20380         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
20381         * c-common.c (convert_and_check): Move warning logic to...
20382         (warnings_for_convert_and_check): ...here. Define.
20383         * c-common.h (warnings_for_convert_and_check): Declare.
20384
20385 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20386
20387         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
20388         (output_call): Likewise.
20389
20390 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20391
20392         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
20393
20394 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
20395
20396         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
20397
20398 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
20399
20400         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
20401         opteron, athlon-64 and athlon-fx processor_alias_table entries.
20402
20403 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
20404
20405         PR tree-optimization/31183
20406         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
20407         Use double_int instead of unsigned int for representing access_strides.
20408         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
20409
20410 2007-03-16  Richard Guenther  <rguenther@suse.de>
20411
20412         PR tree-optimization/31146
20413         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
20414         to allow recursion of forward_propagate_addr_expr.
20415         (forward_propagate_addr_into_variable_array_index): Likewise.
20416         (forward_propagate_addr_expr): Likewise.
20417         (tree_ssa_forward_propagate_single_use_vars): Likewise.
20418         (forward_propagate_addr_expr_1): Recurse on simple copies
20419         instead of propagating into them.  Do so for useless conversions
20420         as well.
20421         (forward_propagate_addr_expr): Clean up unused statements after
20422         recursion.
20423
20424 2007-03-16  Richard Guenther  <rguenther@suse.de>
20425
20426         * builtins.c (expand_builtin_cexpi): Use the right argument
20427         for the expansion via cexp.
20428
20429 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20430
20431         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
20432         * configure: Rebuilt.
20433
20434 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
20435
20436         PR debug/29906
20437         * dwarf2out.c (force_type_die): Adjust comment.
20438         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
20439
20440 2007-03-15  DJ Delorie  <dj@redhat.com>
20441
20442         * config/frv/predicates.md (minmax_operator): Don't check operands
20443         here.
20444
20445 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20446
20447         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
20448         Update constant estimates of number of iterations.
20449         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
20450         argument renamed to "realistic".
20451         (compute_estimated_nb_iterations): Removed.
20452         (record_niter_bound): New function.
20453         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
20454         call record_nonwrapping_iv with upper = false.
20455         (infer_loop_bounds_from_signedness): Pass upper argument to
20456         record_nonwrapping_iv.
20457         (estimate_numbers_of_iterations_loop): Do not call
20458         compute_estimated_nb_iterations.  Record estimate based on profile
20459         information.  Initialize the constant estimates of number of
20460         iterations.
20461         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
20462         estimates.
20463         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
20464         number of iterations is too small.
20465         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
20466         (EST_NOT_AVAILABLE): Removed.
20467         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
20468         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
20469         fields.
20470
20471 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
20472
20473         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
20474         Handle NE_EXPR guards.
20475
20476 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20477
20478         PR c++/24924
20479         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
20480         Set also -pedantic-errors by default for the  preprocessor unless
20481         -fpermissive is given.
20482
20483 2007-03-15  Richard Guenther  <rguenther@suse.de>
20484
20485         PR middle-end/29719
20486         PR middle-end/31161
20487         * builtins.c (expand_builtin_cexpi): As a fallback if we
20488         don't have builtins for sincos or cexp create a function
20489         declaration for cexp and expand to a call to that.
20490         (expand_builtin_int_roundingfn): Always fall
20491         back to floor/ceil and its variants even if they may be
20492         not available.
20493
20494 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
20495
20496         PR middle-end/31159
20497         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
20498         jump tables, move the call to delete_dead_jumptables from here...
20499         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
20500         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
20501         don't allow merging of blocks that try_redirect_by_replacing_jump
20502         also does not handle when not optimizing.
20503
20504 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20505             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
20506
20507         * config/i386/i386.md (x86_sahf_1): Correctly handle
20508         HAVE_AS_IX86_SAHF.
20509
20510 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
20511
20512         PR target/31167
20513         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
20514         x86_64_general_operand as operand[2] predicate.  Remove "iF"
20515         from operand constraints and use "e" constraint instead.
20516         (*subti3_1, *subti3_1 splitter): Ditto.
20517         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
20518         operand[1] predicate.
20519
20520 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
20521
20522         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
20523         arrays, multiply the access strides by the size of the sub-array.
20524         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
20525
20526 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20527
20528         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
20529         the configured assembler supports the sahf mnemonic.
20530         * configure: Regenerate.
20531         * config.in: Regenerate.
20532
20533         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
20534         emit "sahf" or ".byte\t0x9e" as asm template.
20535
20536 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
20537
20538         PR 31018
20539         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
20540         option to replace hard coded TARGET_xxx in md file.
20541         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
20542         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20543         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
20544         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
20545         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
20546         (X86_TUNE_NOT_VECTORMODE): Ditto.
20547         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
20548         (TUNE_AVOID_VECTOR_DECODE): Ditto.
20549         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
20550         (TUNE_SLOW_IMUL_IMM8): Ditto.
20551         (TUNE_MOVE_M1_VIA_OR): Ditto.
20552         (TUNE_NOT_UNPAIRABLE): Ditto.
20553         (TUNE_NOT_VECTORMODE): Ditto.
20554
20555         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
20556         options.
20557
20558         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
20559         tuning options instead of hard coded TARGET_xxx.
20560         (fix ssemode peephole2's): Ditto.
20561         (imul peephole2's): Ditto.
20562         (movsi_or): Ditto.
20563         (movdi_or_rex64): Ditto.
20564         (move peephole2): Ditto.
20565         (not peephole2's): Ditto.
20566
20567 2007-03-14  Dirk Mueller  <dmueller@suse.de>
20568
20569         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
20570         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
20571         * c-parser.c (c_parser_if_body): Always add an empty statement in case
20572         of empty body.
20573         * c-parser.c (c_parser_do_statement): Warn about empty body in
20574         do/while statement.
20575         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
20576         * doc/invoke.texi (-Wempty-body): Update documentation.
20577
20578 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20579
20580         PR c/21438
20581         * c-common.h (warn_for_div_by_zero): Declare.
20582         * c-common.c (warn_for_div_by_zero): Define.
20583         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
20584         warning.
20585
20586 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20587
20588         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
20589         to PREFIX and STANDARD_PREFIX.
20590
20591 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20592             Phil Edwards  <phil@codesourcery.com>
20593
20594         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
20595         (__gthread_once_t): Remove busy field for RTPs.
20596         (__GTHREAD_ONCE_INIT): Update accordingly.
20597
20598 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
20599
20600         * doc/invoke.texi: Document VxWorks options.
20601
20602 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
20603
20604         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
20605
20606 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
20607
20608         PR tree-optimization/30590
20609         * tree-nrv.c (tree_nrv): Check for the partial update of the
20610         return value.
20611
20612 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20613
20614         * flags.h (flag_random_seed): Remove declaration, in favor of...
20615         * toplev.h (get_random_seed, set_random_seed): ... these.
20616         * tree.c (get_file_function_name): Use the former.
20617         * opts.c (common_handle_option): Use the latter.
20618         * toplev.c
20619
20620 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
20621
20622         PR middle-end/31127
20623         * cse.c (cse_find_path): Do not bail out if a basic block that
20624         we already visited now becomes part of a path that starts at a
20625         different basic block.  Just disallow this, to make sure we
20626         visit each basic block at most once.
20627
20628 2007-03-13  Jan Hubicka  <jh@suse.cz>
20629
20630         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
20631         attributes, when profile esitmate is present, calls with very low
20632         frequency are cold.
20633
20634 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
20635
20636         PR tree-optimization/30730
20637         PR tree-optimization/26900
20638         * tree-ssa-loop-niter.c: Include gmp.h.
20639         (bounds): New type.
20640         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
20641         split_to_var_and_offset, determine_value_range,
20642         bound_difference_of_offsetted_base, refine_bounds_using_guard,
20643         bound_difference, bounds_add, bounds_negate,
20644         number_of_iterations_ne_max, dump_affine_iv): New functions.
20645         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20646         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
20647         difference of initial and final value of control iv to validate
20648         results.
20649         (number_of_iterations_cond): Add loop parameter.  Determine bounds
20650         on the difference of the extremes of the control iv.  Add dumps.
20651         (expand_simple_operations): Handle phi nodes.
20652         (simplify_using_initial_conditions): Do not record used conditions.
20653         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
20654         Do not set additional_info.
20655         (implies_nonnegative_p, implies_ge_p): Removed.
20656         (derive_constant_upper_bound): Do not use parameter `additional'.
20657         (record_estimate): Parameter `additional' removed.  Parameter
20658         `i_bound' added.  Do not call derive_constant_upper_bound.
20659         (record_nonwrapping_iv): Use derive_constant_upper_bound to
20660         bound the number of iterations estimate.
20661         (estimate_numbers_of_iterations_loop): Pass the estimate from
20662         the number of iterations analysis to record_estimate.
20663         * tree.h (multiple_of_p): Declare.
20664         * tree-scalar-evolution.c (expression_expensive_p): Removed.
20665         (scev_const_prop): Do not check expression_expensive_p.
20666         * fold-const.c (multiple_of_p): Exported.
20667         * double-int.c (double_int_mask): Exported.
20668         * double-int.h (double_int_mask): Declare.
20669         * tree-flow.h (struct tree_niter_desc): Removed additional_info
20670         field.  Added max field.
20671
20672 2007-03-13  David Taylor  <taylor@candd.org>
20673
20674         PR driver/12448:
20675         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
20676         default -MQ.
20677
20678 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20679
20680         PR target/31123
20681         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
20682         two unamed patterns.
20683
20684 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
20685
20686         * config/i386/i386.opt (mcx16, msahf): New options.
20687         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
20688         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
20689
20690         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
20691         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
20692         Output -mcx16 and -msahf options when corresponding bit is set.
20693
20694         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
20695         and -msahf options.
20696
20697 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
20698
20699         * configure.ac: Test for assembler tolerance to # 0 "".
20700         * configure, config.in: Rebuilt.
20701         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
20702
20703 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
20704
20705         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
20706
20707         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
20708         (handle_syscall): Handle direct system calls.
20709         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
20710
20711 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20712
20713         * doc/invoke.texi: Fix cpp.info cross-reference.
20714         * doc/passes.texi: Fix gcc.info cross-reference.
20715
20716 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
20717
20718         PR tree-optimization/30835
20719         * lambda-code.c (can_convert_to_perfect_nest): Check whether
20720         bb_for_stmt is not NULL before accessing it.
20721
20722 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
20723
20724         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
20725         some multilibs.
20726
20727 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
20728
20729         PR 30635
20730         * doc/install.texi: Document --enable-stage1-languages
20731
20732 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
20733
20734         * tree-pass.h (pass_into_cfg_layout_mode,
20735         pass_outof_cfg_layout_mode): Declare.
20736         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
20737         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
20738         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
20739         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
20740
20741 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
20742
20743         * c-decl.c (warn_variable_length_array): New function.
20744         Refactored from grokdeclarator to handle warn_vla
20745         and handle unnamed array case.
20746         (grokdeclarator): Refactored VLA warning case.
20747         * c.opt (Wvla): New flag.
20748         * doc/invoke.texi (Wvla): New warning.
20749
20750 2007-03-12  Richard Henderson  <rth@redhat.com>
20751
20752         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
20753         (TARGET_SECTION_TYPE_FLAGS): New.
20754
20755 2007-03-12  Richard Henderson  <rth@redhat.com>
20756
20757         * config/darwin.c (machopic_reloc_rw_mask): New.
20758         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
20759         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
20760
20761 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
20762
20763         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
20764         * cppdefault.h (cpp_PREFIX): Document.
20765         (cpp_PREFIX_len): Likewise.
20766         (cpp_EXEC_PREFIX): New variable.
20767         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
20768         * c-incpath.c (add_standard_paths): Correct logic for relocating
20769         paths within prefix.
20770
20771 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
20772
20773         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
20774         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
20775         mode macro.
20776         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
20777         fix_truncdfdi_sse using SSEMODEF mode macro.
20778         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
20779         fix_truncdfsi_sse using SSEMODEF mode macro.
20780         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
20781         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
20782
20783 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
20784
20785         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
20786         elfos.h to tm_file.
20787
20788 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
20789
20790         * tree.h : Add multiple_of_p declaration.
20791         * fold-const.c (multiple_of_p): Make multiple_of_p public.
20792         * ipa-type-escape.c (results_of_malloc): Redundant.
20793         (visited_stmts): New. Visited stmt for walk_use_def_chains.
20794         (cast_type): Extended with new members.
20795         (check_cast): Returns cast_type.
20796         (cast): New structure for data of walk_use_def_chains.
20797         (is_malloc_result, is_cast_from_non_pointer_1,
20798         is_cast_from_non_pointer,
20799         is_array_access_through_pointer_and_index): New functions.
20800         (look_for_casts): Returns cast types.
20801         (check_call): Returns void.
20802         (okay_pointer_operation): Use support of pointer plus index,
20803         pointer plus constant and allow all multiplications.
20804
20805 2007-03-11  Richard Guenther  <rguenther@suse.de>
20806
20807         PR tree-optimization/31115
20808         * tree-vrp.c (extract_range_from_binary_expr): Make sure
20809         the shift count is positive and non-anti-range for RSHIFT_EXPR.
20810         A shift count of zero is not special as with *_DIV_EXPR.
20811         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
20812         direction.
20813
20814 2007-03-11  Ian Lance Taylor  <iant@google.com>
20815
20816         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
20817         the *_DIV_EXPR codes correctly with overflow infinities.
20818
20819 2007-03-11  Ira Rosen  <irar@il.ibm.com>
20820
20821         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
20822         indicate success/failure of the analysis. Add negation to subtrahend
20823         in case of subtraction. Fail if both operands contain constants.
20824         (create_data_ref): Fail if analyze_offset fails.
20825
20826 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
20827
20828         * config/i386/i386.md (frndintxf2): Rename to ...
20829         (rintxf2): ... this. Remove expander having same name.
20830         (rintsf2, rintdf2): Implement using SSEMODEF macro.
20831         (roundsf2, rounddf2): Ditto.
20832         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
20833         (lround<mode>di2, lround<mode>si2): Ditto.
20834
20835 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
20836
20837         * lower-subreg.c: Include except.h.
20838         (decompose_multiword_subregs): Verify that the only control flow
20839         insns we can split are loads to multi-words pseudos.
20840         Handle breaking such blocks after splitting, instead of calling
20841         find_many_sub_basic_blocks.
20842
20843         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
20844         on the new basic block.  Add a lengthy comment explaining why we
20845         thought this was necessary.
20846         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
20847
20848 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
20849
20850         PR c++/30924
20851         * tree.c (walk_type_fields): Recurse into the element type of
20852         ARRAY_TYPEs if there is a pointer set.
20853
20854 2007-03-10  Dirk Mueller  <dmueller@suse.de>
20855
20856         * c-common.c (warn_logical_operator): Fix condition.
20857
20858 2007-03-10  Tobias Schlï¿½ter  <tobi@gcc.gnu.org>
20859
20860         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
20861         quotation mark.
20862         * config/darwin.c (machopic_select_section): Remove superfluous
20863         argument in call to categorize_decl_for_section.  Remove unused
20864         variable shlib.
20865
20866 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
20867
20868         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
20869         defined.
20870         * configure: Regenerate.
20871
20872 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
20873
20874         PR target/31101
20875         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
20876         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
20877         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
20878         Add LABEL_NUSES to emitted label.
20879         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
20880         branch probability value to emitted jump insn.
20881         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
20882         Do not check life information and do not re-arrange input operands
20883         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
20884
20885 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20886
20887         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
20888         the change of decode_asm_operands.
20889
20890 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
20891
20892         * mode-switching.c (create_pre_exit): Skip blockage insn.
20893
20894 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
20895
20896         * tree-pass.h (TODO_update_smt_usage): Remove.
20897         Update all users.
20898         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
20899         argument SOME.
20900         Update all users.
20901
20902 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20903
20904         * pa.c (attr_length_call): Revise condition for long
20905         pc-relative branch.
20906         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
20907         local calls on the SOM target.  Don't use "LONG_PIC_PCREL" call
20908         sequence on SOM target.
20909
20910 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
20911
20912         * gcc.c: Document %{, in big comment at top.
20913         (input_suffix_matches): Remove special handling for .s and
20914         .S.
20915         (input_spec_matches): New.
20916         (handle_braces): Handle %{,.
20917         (validate_switches): ',' indicates a value which is not a switch.
20918         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
20919         to detect assembler input.
20920         * config/i386/sol2.h (CPP_SPEC): Likewise.
20921         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
20922         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
20923         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
20924         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
20925         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
20926         -m64 causes deployment target to default to 10.5.
20927         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
20928
20929 2007-03-09  Richard Henderson  <rth@redhat.com>
20930
20931         PR target/26090
20932         * target.h (targetm.asm.out.reloc_rw_mask): New.
20933         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
20934         (TARGET_ASM_OUT): Use it.
20935         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
20936         * varasm.c (categorize_decl_for_section): Remove shlib argument;
20937         use the new reloc_rw_mask target hook instead.
20938         (default_section_type_flags_1): Merge into...
20939         (default_section_type_flags): ... here.
20940         (decl_readonly_section_1): Merge into...
20941         (decl_readonly_section): ... here.
20942         (default_elf_select_section_1): Merge into...
20943         (default_elf_select_section): ... here.
20944         (default_unique_section_1): Merge into...
20945         (default_unique_section): ... here.
20946         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
20947         (default_select_rtx_section): Use it.
20948         (default_elf_select_rtx_section): Likewise.
20949         * output.h: Update to match.
20950         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
20951         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
20952         (TARGET_ASM_RELOC_RW_MASK): New.
20953         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
20954         to categorize_decl_for_section.
20955         (x86_64_elf_unique_section): Likewise.
20956         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
20957         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
20958         (TARGET_ASM_RELOC_RW_MASK): New.
20959         * config/ia64/ia64.c (ia64_rwreloc_select_section,
20960         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
20961         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
20962         (TARGET_RWRELOC): Remove.
20963         (ia64_section_type_flags): Adjust call to default_section_type_flags.
20964         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20965         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
20966         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
20967         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
20968         (rs6000_xcoff_select_section): Use decl_readonly_section.
20969         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
20970         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
20971         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
20972         (TARGET_SECTION_TYPE_FLAGS): Remove.
20973         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
20974
20975 2007-03-09  Roger Sayle  <roger@eyesopen.com>
20976
20977         * fold-const.c (fold_comparison): Remove compile-time evaluation of
20978         complex constant equality/inequality comparisons for here.
20979         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
20980         known at compile-time or can be simplified to a scalar comparison.
20981         (fold_relational_const): Move compile-time evaluation of complex
20982         constant equality/inequality comparisons to here.
20983
20984 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
20985
20986         PR rtl-optimization/30643
20987         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
20988         dest_addr_elt.
20989         (fold_rtx): Recurse, like before 2006-11-03.
20990
20991 2007-03-09  DJ Delorie  <dj@redhat.com>
20992
20993         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
20994         m32c-pragma.o.
20995
20996 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
20997
20998         PR tree-optimization/30375
20999         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
21000         LHS of statements is not the same.
21001         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
21002
21003 2007-03-09  Chao-ying Fu  <fu@mips.com>
21004
21005         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
21006         REV 2.
21007         * doc/invoke.texi (-mdspr2): Document new option.
21008         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
21009         New unspec for DSP REV 2.
21010         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
21011         these instructions are extended in DSP REV 2.
21012         (mips-dspr2.md): Include.
21013         * config/mips/mips.opt (mdspr2): New option.
21014         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
21015         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
21016         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
21017         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
21018         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
21019         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
21020         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
21021         and 2 builtins.
21022         (bdesc_map): Add one field of unsupported_target_flags.
21023         (bdesc_arrays): Update entries to have extra fields.  Add
21024         dsp_32only_bdesc.
21025         (mips_init_builtins): Initialize new function types.
21026         Check unsupported_target_fileds to filter out builtins.
21027         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
21028         TARGET_DSPR2.
21029         (ASM_SPEC): Pass mdspr2 to the assembler.
21030         * config/mips/mips-dspr2.md: New file.
21031
21032 2007-03-09  Sa Liu  <saliu@de.ibm.com>
21033
21034         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
21035
21036 2007-03-09  Ian Lance Taylor  <iant@google.com>
21037
21038         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
21039         argument) like -Wstrict-overflow=2.
21040         * doc/invoke.texi (Warning Options): Update documentation.
21041
21042 2007-03-09  Dirk Mueller  <dmueller@suse.de>
21043
21044         PR c++/17946
21045         * doc/invoke.texi (-Wlogical-op): Document.
21046         * common.opt (-Wlogical-op): New.
21047         * c-common.h (warn_logical_operator): Declare.
21048         * c-common.c (warn_logical_operator): Define.
21049         * c-typeck.c (parser_build_binary_op): Call
21050         warn_logical_operator.
21051
21052 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21053
21054         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
21055         * final.c (final_scan_insn): Test for non-"" file name.
21056
21057 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
21058
21059         * doc/loop.texi: Document the Omega linear constraints solver.
21060         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
21061         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
21062         omega-hash-table-size, omega-max-keys, and
21063         omega-eliminate-redundant-constraints.
21064         * tree-pass.h (pass_check_data_deps): Declared.
21065         * omega.c: New.
21066         * omega.h: New.
21067         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
21068         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
21069         pass_check_data_deps): New.
21070         * tree-data-ref.c (init_data_ref): Remove declaration.
21071         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
21072         (analyze_array): Renamed init_array_ref, move up initializations.
21073         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
21074         Removed arguments that are set to NULL.
21075         (analyze_indirect_ref): Correct indentation, correct call to
21076         init_pointer_ref.
21077         (object_analysis): Call init_array_ref instead of analyze_array.
21078         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
21079         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
21080         of DR_ACCESS_FNS_ADDR.
21081         (init_omega_eq_with_af, omega_extract_distance_vectors,
21082         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
21083         ddr_consistent_p): New.
21084         (compute_affine_dependence): Check consistency of ddrs when
21085         flag_check_data_deps is passed.
21086         (analyze_all_data_dependences): Uncomment.
21087         (tree_check_data_deps): New.
21088         * tree-data-ref.h: Include omega.h.
21089         (DR_ACCESS_FNS_ADDR): Removed.
21090         (data_dependence_relation): Add inner_loop.
21091         (DDR_INNER_LOOP): New.
21092         * common.opt (fcheck-data-deps): New.
21093         * tree-flow.h (tree_check_data_deps): Declare.
21094         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
21095         (OBJS-common): Depend on omega.o.
21096         (omega.o): Define.
21097         * passes.c (pass_check_data_deps): Scheduled.
21098         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
21099         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
21100         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
21101         PARAM_VECT_MAX_VERSION_CHECKS,
21102         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
21103
21104 2007-03-09  Richard Guenther  <rguenther@suse.de>
21105
21106         PR tree-optimization/30904
21107         PR middle-end/31058
21108         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
21109         the same way as *_DIV_EXPR.
21110
21111 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21112
21113         * recog.c (decode_asm_operands): No mixed declarations and code.
21114
21115 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
21116
21117         * rtl.def (ASM_INPUT): Add location.
21118         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
21119         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
21120         (decode_asm_operands): Add loc operand.
21121         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
21122         * stmt.c (expand_asm): Rename to...
21123         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
21124         gen_rtx_ASM_INPUT_loc.
21125         (expand_asm_expr): Adjust.
21126         * recog.c (decode_asm_operands): Add loc operand.
21127         (check_asm_operands, extract_insn): Adjust.
21128         * reload1.c (maybe_fix_stack_asms): Likewise.
21129         * final.c (asm_insn_count): Likewise.
21130         (final_scan_insn): Output # line before and after asm.
21131
21132 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
21133
21134         * tree-ssa-structalias.c (variable_info): Remove
21135         finished_solution.
21136         (new_var_info): Ditto.
21137         (shared_bitmap_info_t): New structure.
21138         (shared_bitmap_table): New variable.
21139         (shared_bitmap_hash): New function.
21140         (shared_bitmap_eq): Ditto
21141         (shared_bitmap_lookup): Ditto.
21142         (shared_bitmap_add): Ditto.
21143         (merge_smts_into): Change to take bitmap directly.
21144         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
21145         (init_alias_vars): Init shared bitmap hashtable.
21146         (delete_points_to_sets): Delete shared bitmap hashtable.
21147         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
21148         is_aliased removal as a change that was still necessary was
21149         deleted.
21150
21151 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
21152
21153         * config/i386/i386.h (override_options): Conditionally disable
21154         x86_sahf for 64bit targets only.
21155
21156 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
21157
21158         PR C/31072
21159         * c-decl.c (merge_decls): Don't call make_var_volatile.
21160         * varasm.c (make_var_volatile): Remove.
21161         * output.h (make_var_volatile): Remove.
21162
21163 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
21164
21165         PR tree-optimization/31085
21166         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
21167
21168 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21169
21170         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
21171         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
21172         ATTR_CONST_NOTHROW_LIST.
21173
21174         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
21175         FIX_TRUNC_EXPR.
21176
21177 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
21178
21179         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
21180
21181 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
21182
21183         PR 31013
21184         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
21185         is declared.
21186         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
21187         passed, use shared libgcc.
21188
21189 2007-03-08  Roger Sayle  <roger@eyesopen.com>
21190
21191         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
21192         instead of calling build2 with a GIMPLE_MODIFY_STMT.
21193         (honor_protect_cleanup_actions, lower_try_finally_switch):
21194         Likewise.
21195         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
21196         ifc_temp_var): Likewise.
21197         * tree-inline.c (setup_one_parameter): Likewise.
21198         * tree-mudflap.c (mf_decl_cache_locals,
21199         mf_build_check_statement_for): Likewise.
21200         * tree-nested.c (init_tmp_var, save_tmp_var,
21201         finalize_nesting_tree_1): Likewise.
21202         * tree-outof-ssa.c (insert_copy_on_edge,
21203         insert_backedge_copies): Likewise.
21204         * tree-profile.c (tree_gen_edge_profiler,
21205         tree_gen_ic_profiler): Likewise.
21206         * tree-scalar-evolution.c (scev_const_prop): Likewise.
21207         * tree-sra.c (sra_build_assignment): Likewise.
21208         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
21209         * tree-ssa-math-opts.c (insert_reciprocals,
21210         execute_cse_sincos_1): Likewise.
21211         * tree-tailcall.c (adjust_accumulator_values,
21212         adjust_return_value): Likewise.
21213         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
21214         * tree-vect-transform.c (vect_create_data_ref_ptr,
21215         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
21216         vect_create_epilog_for_reduction, vectorizable_reduction,
21217         vectorizable_call, vectorizable_conversion,
21218         vectorizable_assignment, vectorizable_operation,
21219         vectorizable_type_demotion, vect_gen_widened_results_half,
21220         vect_permute_store_chain, vectorizable_store,
21221         vect_setup_realignment, vect_permute_load_chain,
21222         vectorizable_load, vectorizable_condition,
21223         vect_create_cond_for_align_checks): Likewise.
21224         * tree-vrp.c (build_assert_expr_for): Likewise.
21225
21226 2007-03-08  Ian Lance Taylor  <iant@google.com>
21227
21228         * tree-vrp.c: Include "intl.h".
21229         (usable_range_p): New static function.
21230         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
21231         overflowed values, juts set *strict_overflow_p.
21232         (compare_values): Only return -2 if one of the operands is not a
21233         constant.
21234         (compare_ranges): Call usable_range_p.
21235         (compare_range_with_value): Likewise.
21236         (vrp_evaluate_conditional_warnv): Rename from
21237         vrp_evaluate_conditional.  Make static.  Change all callers.
21238         (vrp_evaluate_conditional): New function.
21239         (simplify_div_or_mod_using_ranges): Issue warning about reliance
21240         on signed overflow.
21241         (simplify_abs_using_ranges): Likewise.
21242         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
21243         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
21244         within_stmt parameter.
21245         * tree-ssa-propagate.c (fold_predicate_in): Update call to
21246         vrp_evaluate_conditional.
21247         * tree-ssa-threadedge.c
21248         (record_temporary_equivalences_from_stmts_at_dest): Change
21249         simplify parameter to take a second tree parameter.
21250         (simplify_control_stmt_condition): Likewise.
21251         (thread_across_edge): Likewise.
21252         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21253         (thread_across_edge): Likewise.
21254         * Makefile.in (tree-vrp.o): Depend upon intl.h.
21255
21256 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
21257
21258         * config/i386/i386.h (TARGET_SAHF): New define.
21259         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
21260         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
21261         (x86_sahf): New global variable.
21262         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
21263         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
21264         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
21265         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
21266         for 64-bit.
21267         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
21268         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
21269         when expanding fcomi/sahf based tests.
21270         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
21271         expanding sahf based alternative. Emit sahf based sequence when
21272         optimizing for code size.
21273         * config/i386/i386.md (x86_sahf_1): Do not disable for
21274         TARGET_64BIT, enable for TARGET_SAHF.
21275
21276 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
21277
21278         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
21279         spurious whitespace from error message.
21280
21281 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
21282
21283         PR c++/30852
21284         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
21285
21286 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
21287
21288         * c-decl.c (grokdeclarator): Disable warnings for anonymous
21289         bitfields.
21290         * tree-sra.c (instantiate_element): Propagate disabled warnings
21291         from the element itself to the created variable.
21292
21293 2007-03-07  Richard Henderson  <rth@redhat.com>
21294
21295         PR target/30848
21296         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
21297         silently fix up the stack in the case of a missing register.
21298
21299 2007-03-07  Paul Brook  <paul@codesourcery.com>
21300
21301         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
21302
21303 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
21304
21305         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
21306         New.
21307         (phase1_vrs): Use them.
21308         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
21309         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
21310         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
21311         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
21312         __gnu_Unwind_Restore_WMMXC if required.
21313         (_Unwind_VRS_Pop): Implement iWMMXt support.
21314         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
21315         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
21316         gnu_Unwind_Save_WMMXC): Define.
21317
21318 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21319
21320         * config/vxworks.h (vxworks_override_options): Declare.
21321         (VXWORKS_OVERRIDE_OPTIONS): Use it.
21322         * config/vxworks.c: Include target.h and toplev.h.
21323         (vxworks_override_options): New function.
21324         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
21325
21326 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
21327
21328         * config/s390/s390.c (override_options): Don't emit an error when
21329         -mstack-size is used without providing -mstack-guard.
21330         (s390_emit_prologue): Choose stack_guard value automatically if not
21331         provided via command line.
21332         * doc/invoke.texi: Adjust description of -mstack-guard and
21333         -mstack-size.
21334
21335 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
21336
21337         * config/i386/i386.c (output_set_got): Add a GOT initialization
21338         sequence for VxWorks PIC.
21339         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
21340         around labels as well as symbols.  Use gotoff_operand instead
21341         of local_symbolic_operand.
21342         (legitimize_pic_address): Use gotoff_operand instead of
21343         local_symbolic_operand.  Use @GOT accesses for labels as
21344         well as symbols.
21345         (ix86_output_addr_diff_elt): Use PC-relative rather than
21346         GP-relative offsets for VxWorks PIC.
21347         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
21348         no_new_pseudos.  Check whether the returned register is op0.
21349         * config/i386/i386.md (tablejump): Use PC-relative rather than
21350         GP-relative offsets for VxWorks PIC.
21351         * config/i386/predicates.md (gotoff_operand): New predicate.
21352
21353 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21354
21355         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
21356         before defining.
21357         * config/vxworks-dummy.h: New file.
21358         * config/i386/i386.h: Include it.
21359
21360 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
21361
21362         * dwarf2out.c (is_inlined_entry_point): New
21363         (add_high_low_attributes): Emit DW_AT_entry_pc along with
21364         DW_AT_ranges if the first subblock is the entry point.
21365
21366 2007-03-06  David Daney  <ddaney@avtrex.com>
21367
21368         * doc/install.texi (mips-*-*): Change recommended binutils
21369         version.
21370
21371 2007-03-06  Anatoly Sokolov <aesok@post.ru>
21372
21373         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
21374         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
21375         devices.
21376         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21377         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
21378
21379 2007-03-06  Jan Hubicka  <jh@suse.cz>
21380
21381         * errors.h (warning, error, fatal, internal_error): Mark as cold.
21382         * predict.c (maybe_hot_bb): Cold functions are never hot; hot
21383         functions are hot.
21384         (probably_cold_bb_p): Cold functions are cold.
21385         (probably_never_executed_bb_p): Cold functions are cold.
21386         (tree_bb_level_predictions): Predict calls to cold functions as not
21387         taken.
21388         (compute_function_frequency): Check hot/cold attributes.
21389         * function.h (function_frequency): Update comments.
21390         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
21391         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
21392         (c_common_att): Add cold and hot.
21393
21394         * doc/extend.texi (hot,cold attributes): Document.
21395
21396 2007-03-06  Andrew Haley  <aph@redhat.com>
21397
21398         * function.c (expand_function_end): Move blockage to just after we
21399         emit the label for the naked return from the function.
21400
21401 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21402
21403         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
21404         before redefining.
21405
21406 2007-03-06  Jan Hubicka  <jh@suse.cz>
21407
21408         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
21409         loaded for constant large models.  Non-large 64bit PIC can do.
21410         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
21411         * cmodel.h: Add LARGE PIC.
21412         * i386.md (UNSPEC_PLTOFF): New.
21413         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
21414         unspecs as needed.
21415         (*call_1_rex64): Disable for large models.
21416         (*call_1_rex64_large): New.
21417         (*call_value_1_rex64): Disable for large models.
21418         (*call_value_1_rex64_large): New.
21419         (set_rip_rex4): New.
21420         (set_got_offset_rex64): New.
21421         * predicates.md (constant_call_address_operand): For large model
21422         constant calls are not possible.
21423         * i386-protos.h (construct_plt_address): Declare.
21424         * i386.c (override_options): Accept large models.
21425         (ix86_expand_prologue): Expand large PIC GOT pointer load.
21426         (legitimate_constant_p): Add new UNSPECs.
21427         (legitimate_pic_operand_p): Likewise.
21428         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
21429         (legitimize_pic_address): Do easy RIP relative way for TLS only for
21430         non-large model.
21431         (output_pic_addr_const): Add PLTOFF.
21432         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
21433         (ix86_expand_move): Legitimize pic address when in PIC mode.
21434         (construct_plt_address): New function.
21435         (ix86_expand_call): Offload the address to register and use GOT
21436         pointer for large model.
21437         * invoke.texi (mcmodel=large): Update documentation.
21438
21439 2007-03-06  Richard Henderson  <rth@redhat.com>
21440
21441         * config/i386/i386.c (x86_use_leave, x86_push_memory,
21442         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
21443         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
21444         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
21445         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
21446         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
21447         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
21448         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
21449         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
21450         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21451         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21452         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
21453         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21454         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21455         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
21456         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
21457         x86_schedule, x86_use_bt, x86_pad_returns,
21458         x86_use_xchgb): Merge into ...
21459         (ix86_tune_features): ... here.  New array.
21460         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21461         x86_bswap): Merge into ...
21462         (ix86_arch_features): ... here.  New array.
21463         (x86_3dnow_a): Remove.
21464         (x86_accumulate_outgoing_args): Make static.
21465         (x86_arch_always_fancy_math_387): Make static.
21466         (ix86_tune_mask, ix86_arch_mask): Move ...
21467         (override_options): ... to local variables here.  Apply the
21468         appropriate mask to each element of ix86_arch_features and
21469         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
21470         as were done in the old macros.
21471         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
21472         * config/i386/i386.h (x86_use_leave, x86_push_memory,
21473         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
21474         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
21475         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
21476         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
21477         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
21478         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
21479         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
21480         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
21481         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
21482         x86_partial_reg_dependency, x86_memory_mismatch_stall,
21483         x86_accumulate_outgoing_args, x86_prologue_using_move,
21484         x86_epilogue_using_move, x86_decompose_lea,
21485         x86_arch_always_fancy_math_387, x86_shift1,
21486         x86_sse_partial_reg_dependency, x86_sse_split_regs,
21487         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
21488         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
21489         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
21490         x86_use_incdec, x86_pad_returns, x86_bswap,
21491         x86_partial_flag_reg_stall): Remove.
21492         (enum ix86_tune_indices): New.
21493         (ix86_tune_features): New.
21494         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
21495         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
21496         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
21497         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
21498         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
21499         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
21500         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
21501         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
21502         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
21503         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
21504         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
21505         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
21506         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
21507         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
21508         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
21509         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
21510         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
21511         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
21512         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
21513         TARGET_EXT_80387_CONSTANTS): Use it.
21514         (enum ix86_arch_indices): New.
21515         (ix86_arch_features): New.
21516         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
21517         TARGET_BSWAP): Use it.
21518         (ix86_tune_mask, ix86_arch_mask): Remove.
21519
21520 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
21521
21522         PR bootstrap/31020
21523         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
21524         Define using $${sysroot_headers_suffix}.
21525         * configure: Regenerate.
21526         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
21527         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
21528         defined.
21529         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
21530         * gcc.c (print_sysroot_headers_suffix): New.
21531         (option_map): Include --print-sysroot-headers-suffix.
21532         (display_help): Mention -print-sysroot-headers-suffix.
21533         (process_command): Handle -print-sysroot-headers-suffix.
21534         (do_spec_1): Append multilib directory to include-fixed path if
21535         sysroot suffixes in use.
21536         (main): Handle -print-sysroot-headers-suffix.
21537         * Makefile.in (start.encap): Don't depend on xlimits.h
21538         (xlimits.h): Remove.
21539         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
21540         limits.h for each multilib in fixinc_list.
21541         (fixinc_list, s-fixinc_list): New.
21542         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
21543         generate them for each multilib in fixinc_list.
21544         (stmp-fixproto): Use include-fixed.  Run fixproto for each
21545         multilib in fixinc_list.
21546         (mostlyclean): Don't remove xlimits.h.
21547         (clean): Remove include-fixed.
21548         (real-install-headers-tar, real-install-headers-cpio,
21549         real-install-headers-cp): Don't copy include, only include-fixed.
21550         (install-mkheaders): Depend on fixinc_list.  Don't depend on
21551         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
21552         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
21553         SYSTEM_HEADER_DIR setting in mkheaders.conf.
21554
21555 2007-03-06  Jan Hubicka  <jh@suse.cz>
21556
21557         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
21558         NANs easilly.
21559
21560 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21561
21562         * configure.ac: Allow tm_file to contain build-directory files.
21563         * configure: Regenerate.
21564         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
21565         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
21566         * config/m68k/print-sysroot-suffix.sh: New file.
21567
21568 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21569
21570         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
21571         of pic_offset_table_rtx if reload_completed.
21572         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
21573         PIC_OFFSET_TABLE_REGNUM.
21574         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
21575         return true.
21576         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
21577         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
21578
21579 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21580
21581         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21582         functions that call eh_return.
21583
21584 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21585
21586         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
21587         functions that need a constant pool.
21588
21589 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21590
21591         PR target/28181
21592         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
21593         (m68k_preferred_reload_class): Likewise.
21594         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
21595         (SECONDARY_RELOAD_CLASS): Define.
21596         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
21597         (LIMIT_RELOAD_CLASS): Delete.
21598         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
21599         registers from storing bytes.
21600         (m68k_secondary_reload_class): New function.
21601         (m68k_preferred_reload_class): Likewise.
21602
21603 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21604
21605         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
21606         leaf functions.
21607         (m68k_expand_prologue): Likewise.
21608
21609 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21610
21611         * config/m68k/m68k-protos.h (output_sibcall): Declare.
21612         (mips_expand_epilogue): Add a bool parameter.
21613         (m68k_legitimize_sibcall_address): Declare.
21614         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
21615         (m68k_expand_epilogue): Add a parameter to select between sibling
21616         and normal epilogues.  Only generate a return for the latter.
21617         (m68k_ok_for_sibcall_p): New function.
21618         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
21619         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
21620         (sibcall_value, *sibcall_value): Likewise.
21621         (*call, *call_value): Require !SIBLING_CALL_P.
21622         (epilogue): Update call to m68k_expand_epilogue.
21623         (sibcall_epilogue): New pattern.
21624         * config/m68k/predicates.md (const_call_operand): Say that this
21625         predicate applies to sibling calls too.
21626         (sibcall_operand): New predicate.
21627
21628 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21629
21630         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
21631         alternatives as movsi_cf.
21632         (movsf_cf_hard): Add commentary.
21633
21634 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
21635             Richard Sandiford  <richard@codesourcery.com>
21636
21637         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
21638         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
21639         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
21640         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
21641         as being live on exit from an interrupt function.
21642         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
21643         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
21644         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
21645         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
21646         (m68k_interrupt_function_p): Globalize.
21647         (m68k_compute_frame_layout): Remove reverse mask code.
21648         (m68k_emit_movem, m68k_set_frame_related): New functions.
21649         (m68k_output_function_prologue): Delete in favor of...
21650         (m68k_expand_prologue): ...this new function.
21651         (m68k_output_function_epilogue): Delete in favor of...
21652         (m68k_expand_epilogue): ...this new function.
21653         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
21654         functions.
21655         (print_operand): Handle %?.
21656         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
21657         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
21658         (prologue, epilogue): New patterns.
21659         (return): Turn into a define_expand.
21660         (*return): New pattern, derived from old "return" pattern.  Use rte
21661         rather than rts for interrupt functions.  Only use rtd if the pop
21662         count is nonzero.
21663         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
21664         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
21665         (link, *link, unlink, *unlink, load_got): Likewise.
21666
21667 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
21668
21669         PR target/23482
21670         PR target/17114
21671         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
21672         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
21673         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
21674         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
21675         and m68k_matches_u_p.
21676         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
21677         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
21678         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
21679         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
21680         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
21681         (REG_STRICT_P): New macro.
21682         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
21683         PCREL_GENERAL_OPERAND_OK.
21684         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
21685         m68k_legitimate_base_reg_p.
21686         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
21687         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
21688         (PIC_CASE_VECTOR_ADDRESS): Update comment.
21689         * config/m68k/m68k.c (m68k_address): New structure.
21690         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
21691         (m68k_decompose_index, m68k_legitimate_constant_address_p)
21692         (m68k_jump_table_ref_p, m68k_decompose_address)
21693         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
21694         (m68k_matches_u_p): New functions.
21695         (print_operand_address): Rewrite to use m68k_decompose_index.
21696
21697 2007-03-05  David Taylor  <dtaylor@emc.com>
21698
21699         * gcc.c: Correct copyright date in --version output.
21700
21701 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21702
21703         * pa.md: In unamed move patterns, disparge copies between general
21704         and floating point registers using '?' modifier.  Don't include 'f'
21705         constraint for register preferences in DImode, SImode, HImode and
21706         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
21707         Remove constraints for copies between general and floating registers
21708         in soft-float DFmode pattern.
21709         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
21710         floating register.
21711         (movsf): Likewise.
21712
21713 2007-03-05  Mike Stump  <mrs@apple.com>
21714
21715         * c-common.c (targetcm): Add.
21716         * c-opts.c (c_common_handle_option): Handle language specific
21717         target options.
21718         * opts.c (handle_option): Verify language for target options, if
21719         any are given.
21720         * opth-gen.awk: Add CL_LANG_ALL.
21721         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
21722         (TARGETCM_INITIALIZER): Add.
21723         * target.h (struct gcc_targetcm): Add.
21724         (targetcm): Add.
21725         * targhooks.c (default_handle_c_option): Add.
21726         * targhooks.h (default_handle_c_option): Add.
21727         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
21728
21729         * config/darwin.opt (iframework): Add.
21730         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
21731         * config/darwin-c.c (handle_c_option): Add.
21732         (TARGET_HANDLE_C_OPTION): Add.
21733         (targetcm): Add.
21734         * doc/invoke.texi (Darwin Options): Add -iframework.
21735
21736 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21737
21738         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
21739         conversion.
21740
21741 2007-03-05  Ian Lance Taylor  <iant@google.com>
21742
21743         * c.opt (fgnu89-inline): New option.
21744         * c-opts.c (c_common_post_options): Set default value for
21745         flag_gnu89_inline.
21746         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
21747         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
21748         inline functions.
21749         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
21750         (grokdeclarator, start_function): Likewise.
21751         * c-cppbuiltin.c (c_cpp_builtins): Define either
21752         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
21753         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
21754         (C Dialect Options): Document -fgnu89-inline.
21755         * doc/extend.texi (Function Attributes): Explain what the
21756         gnu_inline attribute does.
21757         * doc/cpp.texi (Common Predefined Macros): Document
21758         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
21759
21760 2007-03-05  Ian Lance Taylor  <iant@google.com>
21761
21762         PR tree-optimization/31034
21763         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
21764         half-range if the other side is an overflow infinity.
21765
21766 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
21767
21768         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
21769         (bfin*-linux-uclibc*): New configuration.
21770         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
21771         defining.
21772         * config/bfin/linux.h: New file.
21773         * config/bfin/libgcc-bfin.ver: New file.
21774         * config/bfin/t-bfin-uclinux: New file.
21775         * config/bfin/t-bfin-linux: New file.
21776         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
21777         (TARGET_OS_CPP_BUILTINS): New macro.
21778
21779 2007-03-05  Richard Guenther  <rguenther@suse.de>
21780
21781         * fold-const.c (fold_binary): Remove duplicate folding
21782         of comparison of non-null ADDR_EXPR against null.
21783
21784 2007-03-05  Richard Guenther  <rguenther@suse.de>
21785             Dorit Nuzman  <dorit@il.ibm.com>
21786
21787         PR tree-optimization/26420
21788         * tree-vectorizer.c (vectorize_loops): Bail out early if there
21789         are no loops in the function.  Only print the number of
21790         vectorized loops if it is greater than zero or we are supposed
21791         to print information about unvectorized loops.
21792
21793 2007-03-05  Revital Eres  <eres@il.ibm.com>
21794
21795         * gcc.dg/var-expand1.c: New test.
21796         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
21797         when an accumulator is expanded.
21798
21799 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21800
21801         PR other/30465
21802         * c-common.c (convert_and_check): Don't give warnings for
21803         conversion if 'expr' already overflowed.
21804
21805 2007-03-04  Roger Sayle  <roger@eyesopen.com>
21806
21807         PR middle-end/30744
21808         * fold-const.c (fold_comparison): Enforce type consistency when
21809         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
21810
21811 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
21812
21813         * tree-ssa-address.c (create_mem_ref): Do not put an expression
21814         containing a cast to the base of TARGET_MEM_REF.
21815
21816 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
21817
21818         * tree.c (tree_contains_struct_check_failed): Remove spurious
21819         whitespace from error message.
21820
21821 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
21822
21823         PR target/30406
21824         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
21825         instead of precision.
21826
21827 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
21828             Nathan Sidwell  <nathan@codesourcery.com>
21829
21830         * emit-rtl.c (find_auto_inc): New.
21831         (try_split): recreate REG_INC notes,
21832         Use regular for loops rather than whiles.
21833
21834 2007-03-03  Andreas Schwab  <schwab@suse.de>
21835
21836         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
21837         * configure: Regenerate.
21838
21839 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21840
21841         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
21842         flag_rounding_math, not flag_unsafe_math_optimizations.
21843
21844         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
21845         fold_build2.
21846         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
21847         alpha_fold_vector_minmax): Likewise.
21848         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
21849         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
21850
21851 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21852
21853         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
21854         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
21855         if the lhs has side-effects.
21856         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
21857
21858 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21859
21860         * config/i386/i386.h (TUNEMASK): Remove define.
21861         (ARCHMASK): Remove define.
21862         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
21863          Use ix86_arch_mask variable instead of ARCHMASK.
21864         * config/i386/i386.c (override_options): Ditto.
21865         (standard_80387_constant_p): Ditto.
21866
21867 2007-03-02  Ian Lance Taylor  <iant@google.com>
21868
21869         Used signed infinities in VRP.
21870         * tree-vrp.c (uses_overflow_infinity): New static function.
21871         (supports_overflow_infinity): New static function.
21872         (make_overflow_infinity): New static function.
21873         (negative_overflow_infinity): New static function.
21874         (positive_overflow_infinity): New static function.
21875         (is_negative_overflow_infinity): New static function.
21876         (is_positive_overflow_infinity): New static function.
21877         (is_overflow_infinity): New static function.
21878         (overflow_infinity_range_p): New static function.
21879         (compare_values_warnv): New function split out of compare_values.
21880         (compare_value): Call it.
21881         (set_value_range_to_nonnegative): Add overflow_infinity
21882         parameter.  Change caller.
21883         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
21884         Change callers.
21885         (vrp_expr_computes_nonzero): Likewise.
21886         (compare_ranges, compare_range_with_value): Likewise.
21887         (compare_name_with_value, compare_names): Likewise.
21888         (vrp_evaluate_conditional): Likewise.
21889         (set_value_range): Handle infinity
21890         (vrp_operand_equal_p, operand_less_p): Likewise.
21891         (extract_range_from_assert): Likewise.
21892         (vrp_int_const_binop): Likewise.
21893         (extract_range_from_binary_expr): Likewise.
21894         (extract_range_from_unary_expr): Likewise.
21895         (extract_range_from_comparison): Likewise.
21896         (extract_range_from_expr): Likewise.
21897         (dump_value_range): Likewise.
21898         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
21899         (test_for_singularity): Likewise.
21900         (vrp_int_const_binop): Remove inline qualifier.
21901         (adjust_range_with_scev): Add comment.
21902         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
21903
21904 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
21905
21906         * tree-ssa-structalias.c (could_have_pointers): Tidy.
21907         (get_constraint_for): Likewise.
21908         (do_structure_copy): Likewise.
21909         (find_func_aliases): Fix references to MODIFY_EXPR.
21910         (intra_create_variable_infos): Tidy.
21911         * tree-ssa-operands.c (add_virtual_operand): Add argument
21912         IS_CALL_SITE.
21913         When adding members of alias sets, if IS_CALL_SITE is true and
21914         the symbol is not call-clobbered, skip it.
21915         Adjust all callers.
21916
21917 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
21918
21919         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
21920         entry by means of emit_insn_at_entry.
21921
21922 2007-03-02  Richard Henderson  <rth@redhat.com>
21923
21924         * expr.h (promoted_input_arg): Remove decl.
21925         * function.c (promoted_input_arg): Merge into ...
21926         * combine.c (setup_incoming_promotions): ... only caller.
21927         Rearrange to avoid double loop.
21928
21929 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21930             Peter Bergner  <bergner@vnet.ibm.com>
21931             Janis Johnson  <janis187@us.ibm.com>
21932
21933         * config/rs6000/dfp.md: New file.
21934         * config/rs6000/rs6000.md: Include dfp.md.
21935         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
21936         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
21937         and TDmode decimal float modes in FP registers.
21938         (num_insns_constant): Likewise.
21939         (rs6000_legitimate_offset_address_p): Likewise.
21940         (rs6000_legitimize_address): Likewise.
21941         (rs6000_legitimize_reload_address): Likewise.
21942         (rs6000_legitimate_address): Likewise.
21943         (rs6000_emit_move): Likewise.
21944         (function_arg_boundary): Likewise.
21945         (function_arg_advance): Likewise.
21946         (rs6000_darwin64_record_arg_recurse): Likewise.
21947         (function_arg): Likewise.
21948         (rs6000_gimplify_va_arg): Likewise.
21949         (rs6000_split_multireg_move): Likewise.
21950         (rs6000_output_function_epilogue): Likewise.
21951         (rs6000_output_function_epilogue): Likewise.
21952         (rs6000_register_move_cost): Likewise.
21953         (rs6000_function_value): Likewise.
21954         (rs6000_libcall_value): Likewise.
21955
21956 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21957
21958         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
21959
21960 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
21961
21962         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
21963         Use $MULTIDIR to choose between the kernel and RTP headers,
21964         and use $WIND_BASE and $WIND_USR to locate them.
21965
21966 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21967
21968         * config/i386/i386.c (override_options): Put initialization of
21969         ix86_tune_mask and ix86_arch_mask to the correct place.
21970
21971 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
21972             Michael Meissner  <michael.meissner@amd.com>
21973
21974         PR target/31019
21975         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
21976         (ARCHMASK): Define.
21977         (TARGET_CMOVE): Use ARCHMASK.
21978         (TARGET_CMPXCHG): Ditto.
21979         (TARGET_CMPXCHG8B): Ditto.
21980         (TARGET_XADD): Ditto.
21981         (TARGET_BSWAP): Ditto.
21982         * config/i386/i386.c (ix86_tune_mask): New global variable.
21983         (ix86_arch_mask): Ditto.
21984         (override_options): Initialize ix86_tune_mask and
21985         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
21986         target_flags.
21987
21988 2007-03-02  Ben Elliston  <bje@au.ibm.com>
21989
21990         PR 30992
21991         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
21992
21993 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
21994
21995         * target.h (init_dwarf_reg_sizes_extra): New target hook.
21996         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
21997         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
21998         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
21999         hook.
22000         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
22001         rs6000_init_dwarf_reg_sizes_extra): New.
22002         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
22003         SPE register high parts.
22004
22005 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
22006
22007         * Makefile.in: Add install-pdf target as
22008         copied from automake v1.10 rules.
22009         * configure.ac: Add install-pdf to target list.
22010         * configure: Regenerate.
22011
22012 2007-03-01  Paul Brook  <paul@codesourcery.com>
22013
22014         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
22015         modes to LDRD for DImode.
22016         (output_move_double): Fixup out of range ldrd/strd.
22017         (vfp_secondary_reload_class): Rename...
22018         (coproc_secondary_reload_class): ... to this.  Add wb argument.
22019         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
22020         coproc_secondary_reload_class for CLASS_IWMMXT.
22021         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
22022         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
22023
22024 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
22025
22026         * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
22027         unroll factor by the estimated number of iterations.
22028         (loop_prefetch_arrays): Do not prefetch in loops that iterate less
22029         than prefetch latency.
22030
22031         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
22032         decode_caches_intel, detect_caches_intel): New functions.
22033         (host_detect_local_cpu): Use detect_caches_amd and
22034         detect_caches_intel.
22035
22036 2007-03-01  Richard Henderson  <rth@redhat.com>
22037
22038         * expr.c (emit_move_complex_push): Export.
22039         (emit_move_complex_parts): Split out from ...
22040         (emit_move_complex): ... here.
22041         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
22042         * config/i386/i386.md (movcdi): New.
22043
22044 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
22045
22046         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
22047         size of mode1 to check for tieable modes in MMX case.
22048
22049 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
22050
22051         * Makefile.in (rtlanal.o): Depend on tree.h.
22052         * rtl.h (offset_within_section_p, split_const): Declare.
22053         * rtlanal.c: Include tree.h.
22054         (offset_within_block_p): New function, taken from
22055         mips_offset_within_object_p.
22056         (split_const): New function, taken from mips_split_const.
22057         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
22058         Declare.
22059         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
22060         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
22061         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
22062         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
22063         (m68k_illegitimate_symbolic_constant_p): New function.
22064         * config/m68k/m68k.md (movsi): Remove misleading predicates.
22065         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
22066         symbolic constant that might be outside the symbol's section,
22067         move the symbol first and then add the offset.
22068         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
22069         Override.
22070         * config/mips/mips.c (mips_split_const): Delete.
22071         (mips_offset_within_object_p): Delete.
22072         (mips_symbolic_constant_p): Use offset_within_section_p and
22073         split_const instead of mips_offset_within_object_p and
22074         mips_split_const.
22075         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
22076         (mips_legitimize_const_move, print_operand_reloc)
22077         (mips_dangerous_for_la25_p): Use split_const instead of
22078         mips_split_const.
22079
22080 2007-02-28  Eric Christopher  <echristo@apple.com>
22081
22082         * Makefile.in (install-include-dir): Don't rm -rf include.
22083
22084 2007-02-28  Richard Guenther  <rguenther@suse.de>
22085
22086         PR middle-end/30364
22087         * fold-const.c (fold_binary): Do not associate expressions
22088         with more than one variable for integer types that do not wrap.
22089
22090 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
22091
22092         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
22093         Delete, and replace with...
22094         (fold_builtin_call_array): This.  Update callers to use it.
22095         * fold-const.c (fold_build_call_list): Delete, and replace with...
22096         (fold_build_call_array): This.
22097         (fold_build_call_list_initializer): Delete, and replace with...
22098         (fold_build_call_array_initializer): This.
22099         * tree.h: Update declarations to reflect above changes.
22100
22101         * c-typeck.c (build_function_call): Store converted arguments
22102         in a stack-allocated array instead of building a list.
22103         (convert_arguments): Store arguments in the array passed in as an
22104         argument, and return the actual number of arguments.
22105         * c-format.c: (check_function_format): Pass arguments in an
22106         array instead of a list.
22107         * c-common.c (check_function_nonnull): Likewise.
22108         (check_function_sentinel): Likewise.
22109         (check_function_arguments): Likewise.
22110         * c-common.h: Update declarations to reflect above changes.
22111
22112 2007-02-28  Jan Hubicka  <jh@suse.cz>
22113
22114         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
22115         PRED_NEGATIVE_RETURN): Update outcomes.
22116
22117 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
22118
22119         * calls.c (emit_library_call_value_1): Handle partial registers
22120         correctly when building up CALL_INSN_FUNCTION_USAGE.
22121
22122 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22123
22124         * pa/predicates.md (move_src_operand): Allow zero for mode.
22125         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
22126         move pattern.
22127
22128 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
22129
22130         PR target/30970
22131         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
22132         *movv2df_internal): Enable pattern only for valid operand
22133         combinations.
22134         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
22135         tie only 128bit modes. For MMX registers, tie only 64bit modes.
22136
22137 2007-02-27  Mike Stump  <mrs@apple.com>
22138
22139         * config/darwin-crt3.c: Avoid compilation when compiling for a
22140         kext multilib.
22141
22142 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
22143
22144         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
22145         FIXED_INCLUDE_DIR.
22146         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
22147         for fixed headers and limits.h.
22148         (install-include-dir, install-headers-tar, install-headers-cpio,
22149         install-headers-cp, real-install-headers-tar,
22150         real-install-headers-cpio, real-install-headers-cp): Handle
22151         include-fixed as well as include.
22152         (install-mkheaders): Don't install files that go only in include
22153         not include-fixed.
22154         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
22155         from GCC_INCLUDE_DIR.
22156         * gcc.c (process_command): Remove special -BstageN/ handling.
22157         (do_spec_1): Add include-fixed directories.
22158
22159 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22160
22161         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
22162         _smulsi3_highpart.
22163         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
22164         New functions.
22165         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
22166         patterns.
22167
22168 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
22169
22170         * c-common.c (get_priority): Add check for
22171         SUPPORTS_INIT_PRIORITY.
22172
22173 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22174
22175         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
22176
22177         * config/bfin/bfin.c: Include "cfglayout.h".
22178         (MAX_LSETUP_DISTANCE): New macro.
22179         (struct loop_info): New members incoming, incoming_src and
22180         incoming_dest.  Delete member predecessor.
22181         (length_for_loop): New function.
22182         (bfin_optimize_loop): Handle more different loop structures.
22183         (bfin_discover_loop): Rework detection of predecessor blocks by
22184         examining incoming edges.
22185         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
22186         bfin_reorg_loops.
22187         (bfin_reorder_loops): New function.
22188         (bfin_reorg_loops): Use these three new functions.
22189
22190         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
22191         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
22192         (CONSTRAINT_LEN): Add entry for 'q'.
22193         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22194         Add 'q' constraints.
22195         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
22196         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
22197
22198         * config/bfin/bfin.md (add_with_carry): New pattern.
22199         (s_or_u, su_optab, su_modifier): New code macros/attrs.
22200         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
22201         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
22202         support unsigned multiplies too.  Removed incorrect commutativity from
22203         operand 1 constraint where appropriate.
22204         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
22205         patterns.
22206         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
22207         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
22208         New patterns.
22209         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
22210         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
22211         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
22212         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
22213         usmulhisi_hh_huh): New patterns.
22214
22215         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
22216         lshifthi3): Fix output template to use half reg for operand 2.
22217
22218         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
22219         instead of R2.
22220
22221         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
22222
22223 2007-02-27  Andreas Schwab  <schwab@suse.de>
22224
22225         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
22226
22227 2007-02-27  Jan Hubicka  <jh@suse.cz>
22228
22229         * predict.c (last_basic_block_p): Remove.
22230         (tree_estimate_probability): Update return heuristic for commonized
22231         return blocks.
22232
22233 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22234
22235         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
22236
22237 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
22238
22239         * doc/include/gcc-common.texi (versionsubtitle): New macro.
22240         * doc/cpp.texi: Standardize title page.
22241         * doc/cppinternals.texi: Likewise.
22242         * doc/gcc.texi: Standardize title page, remove version number
22243         from copyright page.
22244         * doc/gccint.texi: Likewise.
22245         * doc/install.texi: Standardize title page, add table of
22246         contents.
22247
22248 2007-02-26  Jan Hubicka  <jh@suse.cz>
22249
22250         * predict.def: Set outcomes according to more recent results.
22251         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
22252         Remove dead predictors.
22253         * predict.c (return_prediction): Fix pasto.
22254
22255 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
22256
22257         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22258         change; avoid a memory leak when returning early.
22259
22260 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
22261
22262         * c-decl.c (static_ctors): Move to c-common.c.
22263         (static_dtors): Likewise.
22264         (finish_function): Use c_record_cdtor_fn.
22265         (build_cdtor): Move to c-common.c.
22266         (c_write_global_declarations): Use c_build_cdtor_fns.
22267         * c-common.h (static_ctors): Declare.
22268         (static_dtors): Likewise.
22269         (c_record_cdtor_fn): Likewise.
22270         (c_build_cdtor_fns): Likewise.
22271         * c-common.c (static_ctors): New variable.
22272         (static_dtors): Likewise.
22273         (c_record_cdtor_fn): New function.
22274         (build_cdtor): Move from c-decl.c
22275         (c_build_cdtor_fns): New function.
22276
22277         * output.h (assemble_addr_to_section): Declare.
22278         (get_cdtor_priority_section): Likewise.
22279         * varasm.c (assemble_addr_to_section): New function.
22280         (get_cdtor_priority_section): Likewise.
22281         (default_named_section_asm_out_destructor): Use them.
22282         (destor_dtor_section_asm_out_destructor): Likewise.
22283         (default_named_section_asm_out_constructor): Likewise.
22284         (default_ctor_section_asm_out_constructor): Likewise.
22285         * config.gcc (*-*-vxworks*): Include vxworks.o.
22286         * config/t-vxworks (vxworks.o): New target.
22287         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
22288         (TARGET_ASM_CONSTRUCTOR): Define.
22289         (TARGET_ASM_DESTRUCTOR): Likewise.
22290         (vxworks_asm_out_constructor): Declare.
22291         (vxworks_asm_out_destructor): Likewise.
22292
22293         * c-common.c (get_priority): Check that we have not just an
22294         INTEGER_CST, but an integer constant with integeral type.
22295
22296 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
22297
22298         PR tree-optimization/30938
22299         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
22300         use &dt[nargs-1] instead of &dt[nargs] in the call to
22301         vect_is_simple_use().
22302
22303 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
22304
22305         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
22306         from register elimination as PRE_MODIFY / POST_MODIFY increments.
22307         Do not attempt to handle MEM inside auto-inc expressions.
22308         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
22309         of a register modified by an auto-inc expression.  However, do handle
22310         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
22311         (elimination_effects): Prohibit elimination of a register modified
22312         by an auto-inc expression.  Disable register elimination rules whose
22313         target register is modified by an auto-inc expression with variable
22314         increment.
22315
22316 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
22317
22318         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
22319         off-by-one error.
22320         (array_at_struct_end_p): New function.
22321         (idx_infer_loop_bounds): Use it.
22322         (estimate_numbers_of_iterations_loop): Export.
22323         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22324         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
22325         (tree_estimate_probability): Call record_loop_exits.
22326         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
22327         (estimated_loop_iterations, estimated_loop_iterations_int,
22328         estimated_loop_iterations_tree): New functions.
22329         (analyze_siv_subscript_cst_affine,
22330         compute_overlap_steps_for_affine_1_2,
22331         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
22332         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
22333         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
22334         (PRED_LOOP_ITERATIONS_GUESSED): New.
22335         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
22336         * cfgloop.h (estimate_numbers_of_iterations_loop,
22337         estimated_loop_iterations_int): Declare.
22338
22339 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
22340
22341         * doc/extend.texi: Document optional priority argument to
22342         constructors and destructors.
22343         * tree.c (init_priority_for_decl): Adjust GTY markers.
22344         (init_ttree): Use priority-info hash functions for
22345         init_priority_for_decl.
22346         (tree_map_eq): Rename to ...
22347         (tree_map_base_eq): ... this.
22348         (tree_map_marked_p): Rename to ...
22349         (tree_map_base_marked_p): ... this.
22350         (tree_map_base_hash): New function.
22351         (decl_init_priority_lookup): Rework.
22352         (decl_fini_priority_lookup): New function.
22353         (decl_priority_info): New function.
22354         (decl_init_priority_insert): Use it.
22355         (decl_fini_priority_insert): Likewise.
22356         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
22357         hierarchy.
22358         (decl_restrict_base_insert): Likewise.
22359         (decl_debug_expr_insert): Likewise.
22360         (decl_value_expr_lookup): Likewise.
22361         (decl_value_expr_insert): Likewise.
22362         * tree.h (priority_type): New type.
22363         (decl_init_priority_lookup): Use priority_type.
22364         (decl_fini_priority_lookup): New function.
22365         (decl_init_priority_insert): Use priority_type.
22366         (decl_fini_priority_insert): New function.
22367         (DECL_HAS_INIT_PRIORITY): Tweak comments.
22368         (DECL_INIT_PRIORITY): Likewise.
22369         (SET_DECL_INIT_PRIORITY): Add comment.
22370         (DECL_FINI_PRIORITY): New macro.
22371         (SET_DECL_FINI_PRIORITY): Likewise.
22372         (DEFAULT_INIT_PRIORITY): Document.
22373         (MAX_INIT_PRIORITY): Likewise.
22374         (MAX_RESERVED_INIT_PRIORITY): Likewise.
22375         (tree_map_base): New type.
22376         (tree_map_base_eq): New function.
22377         (tree_map_base_hash): Likewise.
22378         (tree_map_base_marked_p): Likewise.
22379         (tree_map): Inherit from tree_map_base.
22380         (tree_map_eq): Make it a macro.
22381         (tree_map_marked_p): Likewise.
22382         (tree_int_map): Inherit from tree_map_base.
22383         (tree_int_map_eq): Make it a macro.
22384         (tree_int_map_hash): Likewise.
22385         (tree_int_map_marked_p): Likewise.
22386         (tree_priority_map): New type.
22387         (tree_priority_map_eq): New macro.
22388         (tree_priority_map_hash): Likewise.
22389         (tree_priority_map_marked_p): Likewise.
22390         * varasm.c (emults_decl): Adjust for refactoring of tree_map
22391         hierarchy.
22392         (emutls_common_1): Likewise.
22393         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
22394         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
22395         of tree_map hierarchy.
22396         * tree-cfg.c (move_stmt_r): Likewise.
22397         (new_label_mapper): Likewise.
22398         * c-tree.h (c_expand_body): Move to ...
22399         * c-common.h (c_expand_body): ... here.
22400         * c-decl.c (c_expand_body): Move to ...
22401         * c-common.c (c_expand_body): ... here.
22402         (c_common_attribute_table): Allow 1 argument for the constructor
22403         and destructor attributes.
22404         (get_priority): New function.
22405         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
22406         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
22407
22408 2007-02-24  Jan Hubicka  <jh@suse.cz>
22409
22410         PR middle-end/30509
22411         * tree-inline.c (copy_bb): Produce exact copy of EH info when
22412         copying for inlining.
22413
22414 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22415             Jan Hubicka  <jh@suse.cz>
22416
22417         PR target/30778
22418         * i386.c (counter_mode): New function.
22419         (expand_set_or_movmem_via_loop): Use it.
22420         (expand_movmem_epilogue): Likewise; fix pasto.
22421         (ix86_expand_movmem): Do emit guard even for constant counts.
22422         (ix86_expand_setmem): Likewise.
22423
22424 2007-02-25  Nick Clifton  <nickc@redhat.com>
22425
22426         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
22427         (JUMP_TABLES_IN_TEXT_SECTION): Define.
22428
22429 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
22430
22431         PR target/30770
22432         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
22433         count argument with 0x10, not with 0x16.
22434         (expand_setmem_epilogue): Ditto.
22435
22436 2007-02-24  Mike Stump  <mrs@apple.com>
22437
22438         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
22439         symbols.
22440
22441 2007-02-24  Richard Guenther  <rguenther@suse.de>
22442
22443         PR middle-end/30951
22444         * fold-const.c (fold_binary): Fold x +- CST op x for
22445         EQ_EXPR and NE_EXPR.
22446
22447 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22448
22449         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
22450
22451 2007-02-24  Jan Hubicka  <jh@suse.cz>
22452
22453         * cgraphunit.c (decide_is_function_needed): Honor
22454         -fkeep-inline-functions.
22455
22456 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22457
22458         * builtins.c (fold_builtin_modf): New.
22459         (fold_builtin_2): Use it.
22460
22461 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
22462
22463         * loop-iv.c (implies_p): Detect additional cases where A implies B.
22464         (determine_max_iter): Take additional LOOP arg; all callers changed.
22465         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
22466         one using simplifications.
22467         (simplify_using_initial_values): Return if the expression becomes
22468         invalid due to altered regs.
22469
22470 2007-02-23  DJ Delorie  <dj@redhat.com>
22471
22472         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
22473
22474 2007-02-23  Mike Stump  <mrs@apple.com>
22475
22476         * tlink.c (scan_linker_output): Parse linker messages from
22477         darwin9's linker better.
22478
22479 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
22480
22481         PR debug/29614
22482         * varpool.c (varpool_assemble_pending_decls): Set
22483         varpool_last_needed_node to null.
22484
22485 2007-02-23  DJ Delorie  <dj@redhat.com>
22486
22487         * config/i386/i386.c (ix86_data_alignment): Don't specify an
22488         alignment bigger than the object file can handle.
22489
22490 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
22491
22492         PR target/30825
22493         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
22494         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
22495         (*movsf_1): Penalize MMX moves.
22496
22497 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
22498
22499         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
22500         2^32-1 or more times unless flag_unsafe_loop_optimizations.
22501
22502         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
22503
22504 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22505
22506         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
22507         (fold_builtin_1): Use them.
22508         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
22509         BUILT_IN_SIGNIFICAND.
22510
22511 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
22512
22513         * config/i386/i386.c (bdesc_1arg): Initialize
22514         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
22515         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
22516         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
22517         and IX86_BUILTIN_MOVSLDUP.
22518
22519 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
22520
22521         PR rtl-optimization/30841
22522         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
22523
22524 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22525
22526         * builtins.c (fold_builtin_frexp): New.
22527         (fold_builtin_2): Use it.
22528
22529 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
22530
22531         * doc/invoke.texi (Spec Files): Document getenv spec function.
22532
22533         * gcc.c (getenv_spec_function): New function.
22534         (static_spec_functions): Add it.
22535         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
22536         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
22537         header files.
22538
22539 2007-02-22  Michael Matz  <matz@suse.de
22540
22541         PR c++/29433
22542         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
22543         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
22544
22545 2007-02-22  Ian Lance Taylor  <iant@google.com>
22546
22547         PR debug/30898
22548         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
22549         (mem_loc_descriptor): Call it.
22550
22551 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
22552             Ira Rosen  <irar@il.ibm.com>
22553
22554         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
22555
22556 2007-02-22  Ira Rosen  <irar@il.ibm.com>
22557
22558         PR tree-optimization/30843
22559         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
22560         stores only after all the group is vectorized.
22561
22562 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
22563
22564         PR tree-optimization/30858
22565         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
22566         in the reduction cycle have a single use in the loop.
22567         * tree-vectorizer.h (relevant): Add documentation.
22568
22569 2007-02-20  Mike Stump  <mrs@apple.com>
22570
22571         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
22572         * configure: Regenerate.
22573
22574 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
22575
22576         Change the defaults of some parameters and options.
22577         * config/spu/spu-protos.h (spu_optimization_options): Declare.
22578         * config/spu/spu.c (spu_optimization_options): Add.
22579         (spu_override_options): Change params in spu_optimization_options.
22580         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
22581
22582         Register 127 is only 16 byte aligned when used as a frame pointer.
22583         * config/spu/spu-protos.h (spu_init_expanders): Declare.
22584         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
22585         HARD_FRAME_POINTER_REGNUM.
22586         (spu_legitimate_address): Use regno_aligned_for_reload.
22587         (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
22588         aligned when frame_pointer_needed is true.
22589         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
22590         to 8 bits.
22591         * config/spu/spu.h (INIT_EXPANDERS): Define.
22592
22593         Make sure shift and rotate instructions have valid immediate operands.
22594         * config/spu/predicates.md (spu_shift_operand): Remove.
22595         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
22596         * config/spu/constraints.md (W, O): Extend range.
22597         * config/spu/spu.md (umask, nmask): Define.
22598         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
22599         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
22600         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
22601         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
22602         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
22603         (lshr<mode>3_reg): Fix rtl description.
22604
22605         Make sure mulhisi immediate operands are valid.
22606         * config/spu/predicates.md (imm_K_operand): Add.
22607         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
22608
22609         Generate constants using fsmbi and andi.
22610         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
22611         (print_operand, spu_split_immediate, classify_immediate,
22612         fsmbi_const_p): Handle IC_FSMBI2.
22613
22614         Correctly handle a CONST_VECTOR containing symbols.
22615         * config/spu/spu.c (print_operand): Handle HIGH correctly.
22616         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
22617         (immediate_load_p): Allow symbols that use 2 instructions to create.
22618         (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
22619         with symbols when flag_pic is set.
22620         (const_vector_immediate_p): New.
22621         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
22622         accept a CONST_VECTOR with symbols.
22623         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
22624         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
22625         correctly.
22626         * config/spu/spu.md (high, low): Delete.
22627         (low_<mode>): Define.
22628
22629         Remove INTRmode and INTR_REGNUM, which didn't work.
22630         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
22631         of INTR_REGNUM.
22632         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
22633         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
22634         peephole2 pattern): Don't use INTR or 131.
22635         (movintrcc): Delete.
22636         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
22637         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
22638         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
22639         (UNSPEC_SET_INTR): Add.
22640         * config/spu/spu-modes.def (INTR): Remove.
22641
22642         More accurate warnings about run-time relocations.
22643         * config/spu/spu.c (reloc_diagnostic): Test in_section.
22644
22645         Correctly warn about immediate arguments to specific intrinsics.
22646         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
22647         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
22648         the instruction predicate.
22649
22650         Fix tree check errors with latest update.
22651         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
22652         CALL_EXPR_ARG.
22653         (spu_expand_builtin): Use CALL_EXPR_FN.
22654
22655         Add missing specific intrinsics.
22656         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
22657         si_bislede.
22658         * config/spu/spu_internals.h: Ditto.
22659
22660         Fix incorrect operand modifiers.
22661         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
22662         * config/spu/spu.md (xor<mode>3): Change %S to %J.
22663
22664         Optimize one case of zero_extend of a vec_select.
22665         * config/spu/spu.md (_vec_extractv8hi_ze): Add.
22666
22667         Accept any immediate for hbr.
22668         * config/spu/spu.md (hbr): Change s constraints to i.
22669
22670 2007-02-21  Paul Brook  <paul@codesourcery.com>
22671
22672         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
22673         condexec_count when skipping USE and CLOBBER.
22674
22675 2007-02-21  Nick Clifton  <nickc@redhat.com>
22676
22677         * common.opt (Warray-bounds): Add Warning attribute.
22678         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
22679         Likewise.
22680         (fsized-zeroes): Add Optimization attribute.
22681         (fsplit-wide-types, ftree-scev-cprop): Likewise.
22682         * c.opt (Wc++0x-compat): Add Warning attribute.
22683
22684 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
22685
22686         PR middle-end/30761
22687         * reload1.c (eliminate_regs_in_insn): In the single_set special
22688         case, attempt to re-recognize the insn before falling back to
22689         having reload fix it up.
22690
22691 2007-02-20  Eric Christopher  <echristo@gmail.com>
22692
22693         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
22694         Rewrite accordingly.
22695         (frv_read_iacc_argument): Ditto.
22696         (frv_expand_set_builtin): Take a call instead of arglist, update for
22697         above changes.
22698         (frv_expand_unop_builtin): Ditto.
22699         (frv_expand_binop_builtin): Ditto.
22700         (frv_expand_cut_builtin): Ditto.
22701         (frv_expand_binopimm_builtin): Ditto.
22702         (frv_expand_voidbinop_builtin): Ditto.
22703         (frv_expand_int_void2arg): Ditto.
22704         (frv_expand_prefetches): Ditto.
22705         (frv_expand_voidtriop_builtin): Ditto.
22706         (frv_expand_voidaccop_builtin): Ditto.
22707         (frv_expand_load_builtin): Ditto.
22708         (frv_expand_store_builtin): Ditto.
22709         (frv_expand_mdpackh_builtin): Ditto.
22710         (frv_expand_mclracc_builtin): Ditto.
22711         (frv_expand_mrdacc_builtin): Ditto.
22712         (frv_expand_mwtacc_builtin): Ditto.
22713         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
22714         calls for above.
22715
22716 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
22717
22718         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
22719         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
22720         cmpb instruction.
22721         (HAVE_GAS_DFP): Check for assembler support of decimal floating
22722         point instructions.
22723         * configure: Regenerate.
22724         * config.in: Regenerate.
22725         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
22726         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
22727         masks to power6 and power6x and to POWERPC_MASKS.
22728         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
22729         _ARCH_PWR6.
22730         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
22731         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
22732         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
22733         Access PROTOTYPE as variable, not mask.
22734
22735 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22736
22737         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
22738         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
22739         * combine.c (adjust_for_new_dest): Use it.
22740         * postreload.c (reload_combine): Likewise.
22741
22742 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
22743
22744         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
22745         notes on an insn with multiple sets, even if single_set returns
22746         non-NULL for that insn.
22747
22748 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22749
22750         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
22751         scalbn and scalbln.
22752
22753 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
22754
22755         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
22756         if user didn't pass it.
22757         * config/i386/darwin.h (CC1_SPEC): Likewise.
22758         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
22759         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
22760         -mmacosx-version-min.
22761
22762 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22763             Uros Bizjak  <ubizjak@gmail.com>
22764
22765         * optabs.h (enum optab_index): Add new OTI_scalb.
22766         (scalb_optab): Define corresponding macro.
22767         * optabs.c (init_optabs): Initialize scalb_optab.
22768         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
22769         patterns.
22770         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
22771         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
22772         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
22773         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
22774         flag_unsafe_math_optimizations is set.
22775
22776         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
22777         to implement scalbf, scalb and scalbl built-ins as inline x87
22778         intrinsics.
22779
22780 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22781             DJ Delorie <dj@redhat.com>
22782
22783         PR other/30824
22784         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
22785         (diagnostic_report_diagnostic): ... here, and turn them into real
22786         errors. If warnings are inhibited, no need to do anything.
22787
22788 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
22789
22790         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
22791         better code generation.
22792
22793 2007-02-20  Ben Elliston  <bje@au.ibm.com>
22794
22795         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
22796
22797 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
22798
22799         * config/alpha/alpha.c, config/alpha/alpha.md,
22800         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
22801         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
22802         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
22803         config/arm/lib1funcs.asm: Follow spelling conventions.
22804
22805         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
22806         config/fr30/fr30.md, config/i386/i386.h,
22807         config/iq2000/iq2000.h, config/iq2000/predicates.md,
22808         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
22809         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
22810         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
22811         config/rs6000/altivec.md, config/rs6000/rs6000.c,
22812         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
22813         config/sparc/sparc.c, config/sparc/sparc.h,
22814         config/sparc/sparc.md, config/spu/constraints.md,
22815         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
22816         conventions.
22817
22818 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
22819
22820         PR target/29943
22821         * varasm.c (use_blocks_for_decl_p): Return false for decls with
22822         alias attribute.
22823
22824 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22825
22826         * doc/invoke.texi (-ftree-lrs): Remove.
22827
22828 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
22829
22830         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
22831         NULL.
22832
22833 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
22834
22835         * config/ia64/ia64.c (ia64_expand_builtin): Use the
22836         new CALL_EXPR_FN macro for retrieving the function
22837         declaration of the input expression.
22838
22839 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22840
22841         * c.opt (Waddress): New.
22842         * common.opt (Walways-true): Delete.
22843         (Wstring-literal-comparison): Delete.
22844         * doc/invoke.texi (Warning Options): Delete -Walways-true and
22845         -Wstring-literal-comparison. Add -Waddress.
22846         (Waddress): New.
22847         (Walways-true): Delete.
22848         (Wstring-literal-comparison): Delete.
22849         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
22850         consistently instead of -Walways-true in example.
22851         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
22852         * c-typeck.c (parser_build_binary_op): Replace
22853         -Wstring-literal-comparison and -Walways-true with -Waddress.
22854         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
22855         with -Waddress.
22856
22857 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22858
22859         * tree-cfg.c (dump_function_to_file): Be prepared for functions
22860         without DECL_STRUCT_FUNCTION initialized.
22861
22862 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
22863
22864         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
22865         due to calls to functions taking pointers as parameters.
22866
22867 2007-02-19  Richard Henderson  <rth@redhat.com>
22868
22869         PR debug/29558
22870         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
22871         in memory.
22872
22873 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
22874
22875         * config/s390/s390.c (s390_call_saved_register_used,
22876         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
22877         accessed to the new scheme.
22878
22879 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22880
22881         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
22882         (cris_print_index, cris_print_operand, cris_print_operand_address)
22883         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
22884         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
22885         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
22886         GET_CODE () == xxx.
22887         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
22888         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
22889         GO_IF_LEGITIMATE_ADDRESS): Ditto.
22890         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
22891         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
22892         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
22893         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
22894         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
22895         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
22896         (uminsi3, call, call_value): Ditto.
22897         (define_split: indir_to_reg_split, unnamed): Ditto.
22898
22899 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
22900
22901         PR tree-optimization/30975
22902         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
22903         wrong assert.
22904
22905 2007-02-18  Eric Christopher  <echristo@gmail.com>
22906
22907         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
22908         Remove use of arglist.
22909         (mips_expand_builtin): Remove use of arglist, pass in expr.
22910         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
22911         (mips_expand_builtin_movtf): Ditto.
22912         (mips_expand_builtin_compare): Ditto.
22913
22914 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22915
22916         * tree-sra.c (sra_build_assignment): Replace assertion
22917         checking with a comment explaining why it can't be done.
22918
22919 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22920
22921         PR middle-end/30833
22922         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
22923         during CALL_EXPR representation conversion.
22924         * tree-ssa-propagate.c (set_rhs): Likewise.
22925
22926 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
22927
22928         * tree-sra.c (sra_build_assignment): Disable assertion checking
22929         for now.
22930
22931 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22932
22933         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
22934         instead of calling build2 with a GIMPLE_MODIFY_STMT.
22935         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
22936         Likewise.
22937         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
22938         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
22939         gimplify_init_ctor_eval_range, gimple_push_cleanup,
22940         gimplify_omp_for, gimplify_omp_atomic_pipeline,
22941         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
22942         force_gimple_operand): Likewise.
22943         * ipa-cp.c (constant_val_insert): Likewise.
22944         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
22945         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
22946         perfect_nestify): Likewise.
22947         * langhooks.c (lhd_omp_assignment): Likewise.
22948         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
22949         lower_copyprivate_clauses, lower_send_clauses,
22950         lower_send_shared_vars, expand_parallel_call,
22951         expand_omp_for_generic, expand_omp_for_static_nochunk,
22952         expand_omp_for_static_chunk, expand_omp_sections,
22953         lower_omp_single_copy, lower_omp_for_lastprivate,
22954         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
22955         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
22956         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
22957         Likewise.
22958
22959 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
22960
22961         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
22962         config/sh/sh.md: Follow spelling conventions.
22963
22964         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
22965         config/frv/predicates.md: Follow spelling conventions.
22966
22967         * config/m68k/linux-unwind.h: Fix a comment typo.
22968         * target.h: Follow spelling conventions.
22969
22970 2007-02-18  Roger Sayle  <roger@eyesopen.com>
22971
22972         PR rtl-optimization/28173
22973         * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
22974         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
22975         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
22976         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
22977         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
22978
22979 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22980
22981         * builtins.c (fold_builtin_load_exponent): New.
22982         (fold_builtin_2): Use it.
22983
22984 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
22985
22986         PR rtl-optimization/30773
22987         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
22988         if we fail to attach a REG_EQUIV note.
22989
22990 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
22991             Roger Sayle  <roger@eyesopen.com>
22992
22993         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
22994
22995 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
22996
22997         * calls.c (initialize_argument_information): Pass original EXP
22998         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
22999         code to split complex arguments here, as part of initializing the
23000         ARGS array.
23001         (expand_call): Remove code that builds a list of arguments and
23002         inserts implicit arguments into it.  Instead, just count how many
23003         implicit arguments there will be so we can determine the size of
23004         the ARGS array, and let initialize_argument_information do the work.
23005         (split_complex_values): Delete unused function.
23006
23007 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23008
23009         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
23010
23011 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
23012
23013         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
23014         for arg pointer based indexed addressing.
23015
23016 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23017
23018         * config/ia64/ia64.h, config/ia64/ia64.md,
23019         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
23020         spelling conventions.
23021
23022 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23023
23024         * config/m68k/m68k.c (split_di): New.
23025         * config/m68k/m68k-protos.h: Declare split_di.
23026         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
23027           Improve predicate handling and split constant shifts.
23028
23029 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23030
23031         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
23032         parameter for register bitfield operations, general predicates
23033         cleanup
23034
23035 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
23036
23037         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
23038         * config/m68k/linux-unwind.h: New file.
23039
23040 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
23041
23042         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
23043         config/i386/athlon.md, config/ia64/ia64.md,
23044         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
23045         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
23046         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
23047         tree-ssa-loop-niter.c, tree-vect-analyze.c,
23048         tree-vect-transform.c: Fix comment typos.
23049
23050 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
23051
23052         * sched-deps.c (find_insn_list): Remove.
23053         * sched-int.h: Remove the prototype for find_insn_list.
23054
23055 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
23056
23057         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
23058         to linker.
23059         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
23060         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
23061         darwin_rs6000_override_options.
23062         (C_COMMON_OVERRIDE_OPTIONS): Expect
23063         darwin_macosx_version_min to be non-NULL always.
23064         (TARGET_C99_FUNCTIONS): Likewise.
23065         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
23066         (DARWIN_MINVERSION_SPEC): New.
23067         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
23068         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
23069         to cc1*.
23070         (DARWIN_MINVERSION_SPEC): New.
23071         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
23072         value.
23073         * config/darwin-c.c (darwin_cpp_builtins): Expect
23074         darwin_macosx_version_min to be non-NULL always.
23075
23076         * config/rs6000/rs6000.c: Clean up trailing whitespace.
23077
23078 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
23079
23080         * config/i386/i386.h (x86_use_xchgb): New.
23081         (TARGET_USE_XCHGB): New macro.
23082         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
23083         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
23084         Split after reload into bswaphi for shifts of 8.
23085         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
23086         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
23087         or when optimizing for size.
23088
23089 2007-02-16  Richard Guenther  <rguenther@suse.de>
23090             Christian Bruel  <christian.bruel@st.com>
23091
23092         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
23093         DECLs but prefer SSA_NAMEs over DECLs.
23094
23095 2007-02-16  Richard Guenther  <rguenther@suse.de>
23096
23097         * tree-flow-inline.h (single_imm_use_p): Remove.
23098         (zero_imm_uses_p): Likewise.
23099         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
23100         instead of single_imm_use_p.
23101         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
23102         zero_imm_uses_p.
23103
23104 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
23105
23106         PR other/27843
23107         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
23108         nested double- and backquotes.
23109
23110 2007-02-15  Roger Sayle  <roger@eyesopen.com>
23111
23112         PR middle-end/30391
23113         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
23114         should be unreachable.
23115         (build2_stat): Allow construction of MODIFY_EXPR at any time.
23116         For the time being redirect GIMPLE_MODIFY_STMT to the new
23117         (renamed) build_gimple_modify_stmt_stat.
23118         (build2_gimple_stat): Rename to...
23119         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
23120         Always build a GIMPLE_MODIFY_STMT node.
23121         * tree.h (build2_gimple, build2_gimple_stat): Delete.
23122         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
23123         declarations.
23124
23125         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
23126         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
23127         * tree-complex.c (set_component_ssa_name, expand_complex_move,
23128         expand_complex_div_wide): Likewise.
23129         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
23130         * tree-ssa-loop-im.c (schedule_sm): Likewise.
23131         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
23132         * tree-ssa-loop-manip.c (create_iv): Likewise.
23133         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
23134         abs_replacement): Likewise.
23135         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
23136         realify_fake_stores): Likewise.
23137
23138         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
23139         node rather than a GIMPLE_MODIFY_STMT node.
23140         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
23141         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
23142         Likewise.
23143         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
23144         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
23145         GIMPLE_MODIFY_STMT.
23146
23147 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23148
23149         PR middle-end/30433
23150         * fold-const.c (fold_comparison): Add back the
23151         folding of constant complex comparisions.
23152
23153 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23154
23155         PR middle-end/30729
23156         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
23157         effects unknown to this function, return early.
23158
23159 2007-02-15  Ian Lance Taylor  <iant@google.com>
23160
23161         * lower-subreg.c (move_eh_region_note): New static function.
23162         (resolve_simple_move): Call it.
23163         (decompose_multiword_subregs): Track blocks for which we resolve a
23164         simple move which is also a control flow insn.  Pass them to
23165         find_many_sub_basic_blocks.
23166         (pass_lower_subreg): Add TODO_verify_flow.
23167         (pass_lower_subreg2): Likewise.
23168
23169 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23170             Brooks Moses  <brooks.moses@codesourcery.com>
23171             Lee Millward  <lee.millward@codesourcery.com>
23172
23173         * tree.h (enum tree_code_class): Add tcc_vl_exp.
23174         (VL_EXP_CLASS_P): New.
23175         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
23176         TREE_CODE_LENGTH.
23177         (TREE_OPERAND_CHECK_CODE): Likewise.
23178         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
23179         (TREE_RTL_OPERAND_CHECK): Likewise.
23180         (tree_operand_check_failed): Make second parameter the whole tree
23181         instead of its code.  Fixed callers.
23182         (VL_EXP_CHECK): New.
23183         (TREE_OPERAND_LENGTH): New.
23184         (VL_EXP_OPERAND_LENGTH): New.
23185         (CALL_EXPR_FN): New.
23186         (CALL_EXPR_STATIC_CHAIN): New.
23187         (CALL_EXPR_ARGS): New.
23188         (CALL_EXPR_ARG): New.
23189         (call_expr_nargs): New.
23190         (CALL_EXPR_ARGP): New.
23191         (build_nt_call_list): Declare.
23192         (build_vl_exp_stat): Declare.
23193         (build_vl_exp): New.
23194         (build_call_list): Declare.
23195         (build_call_nary): Declare.
23196         (build_call_valist): Declare.
23197         (build_call_array): Declare.
23198         (call_expr_arg): Declare.
23199         (call_expr_argp): Declare.
23200         (call_expr_arglist): Declare.
23201         (fold_build_call_list): Declare.
23202         (fold_build_call_list_initializer): Declare.
23203         (fold_call_expr): Declare to replace fold_builtin.
23204         (fold_builtin_fputs): Update to agree with modified definition.
23205         (fold_builtin_strcpy): Likewise.
23206         (fold_builtin_strncpy): Likewise.
23207         (fold_builtin_memory_chk): Likewise.
23208         (fold_builtin_stxcpy_chk): Likewise.
23209         (fold_builtin_strncpy_chk): Likewise.
23210         (fold_builtin_next_arg): Likewise.
23211         (fold_build_call_expr): Declare.
23212         (fold_builtin_call_list): Declare.
23213         (fold_builtin_call_valist): Declare.
23214         (build_call_expr): Declare.
23215         (validate_arglist): Update to agree with modified definition.
23216         (tree_operand_length): New.
23217         (call_expr_arg_iterator): New.
23218         (init_call_expr_arg_iterator): New.
23219         (next_call_expr_arg): New.
23220         (first_call_expr_arg): New.
23221         (more_call_expr_args_p): New.
23222         (FOR_EACH_CALL_EXPR_ARG): New.
23223
23224         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
23225         and tcc_gimple_stmt.
23226         (tree_code_size): Update documentation.  Use sizeof (tree) rather
23227         than sizeof (char *).
23228         (tree_size): Likewise.  Add case for tcc_vl_exp.
23229         (tree_node_structure): Add case for tcc_vl_exp.
23230         (contains_placeholder_p): Likewise.
23231         (substitute_in_expr): Likewise.
23232         (substitute_placeholder_in_expr): Likewise.
23233         (stabilize_reference_1): Likewise.
23234         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
23235         to diagnose breakage of this interface for constructing CALL_EXPRs.
23236         (build_nt): Add similar assertion here.
23237         (build_nt_call_list): New.
23238         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
23239         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
23240         TREE_CODE_LENGTH.
23241         (get_callee_fndecl): Use new CALL_EXPR accessors.
23242         (tree_operand_check_failed): Change parameters to pass entire node
23243         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
23244         (process_call_operands): New.
23245         (build_vl_exp_stat): New.
23246         (build_call_list): New.
23247         (build_call_nary): New.
23248         (build_call_valist): New.
23249         (build_call_array): New.
23250         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23251         (call_expr_arglist): New.
23252
23253         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
23254         tcc_vl_exp instead of a fixed-size tcc_expression.
23255
23256         * doc/c-tree.texi (CALL_EXPR): Document new representation and
23257         accessors for CALL_EXPRs.
23258         (AGGR_INIT_EXPR): Likewise.
23259
23260 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23261             Brooks Moses  <brooks.moses@codesourcery.com>
23262             Lee Millward  <lee.millward@codesourcery.com>
23263
23264         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
23265         (expand_builtin_nonlocal_goto): Change parameter to be entire
23266         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
23267         (expand_builtin_prefetch): Likewise.
23268         (expand_builtin_classify_type): Likewise.
23269         (mathfn_built_in): Return NULL_TREE instead of 0.
23270         (expand_errno_check): Use new CALL_EXPR accessors.
23271         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
23272         Return NULL_RTX instead of 0.
23273         (expand_builtin_mathfn_2): Likewise.
23274         (expand_builtin_mathfn_3): Likewise.
23275         (expand_builtin_interclass_mathfn): Likewise.
23276         (expand_builtin_sincos): Likewise.
23277         (expand_builtin_cexpi): Likewise.
23278         (expand_builtin_int_roundingfn): Likewise.
23279         (expand_builtin_int_roundingfn_2): Likewise.
23280         (expand_builtin_pow): Likewise.
23281         (expand_builtin_powi): Likewise.
23282         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
23283         of arglist, fixing callers appropriately.  Use new CALL_EXPR
23284         accessors and constructors.  Return NULL_RTX instead of 0.
23285         (expand_builtin_strstr): Likewise.
23286         (expand_builtin_strchr): Likewise.
23287         (expand_builtin_strrchr): Likewise.
23288         (expand_builtin_strpbrk): Likewise.
23289         (expand_builtin_memcpy): Likewise.
23290         (expand_builtin_mempcpy): Likewise.
23291         (expand_builtin_mempcpy_args): New.
23292         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
23293         (expand_builtin_memmove_args): New.
23294         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
23295         (expand_movstr): Likewise.
23296         (expand_builtin_strcpy): Likewise.
23297         (expand_builtin_strcpy_args): New.
23298         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
23299         (expand_builtin_strncpy): Likewise.
23300         (expand_builtin_memset): Likewise.
23301         (expand_builtin_memset_args): New.
23302         (expand_builtin_bzero): Similarly to expand_builtin_memset.
23303         (expand_builtin_memcmp): Likewise.
23304         (expand_builtin_strcmp): Likewise.
23305         (expand_builtin_strncmp): Likewise.
23306         (expand_builtin_strcat): Likewise.
23307         (expand_builtin_strncat): Likewise.
23308         (expand_builtin_strspn): Likewise.
23309         (expand_builtin_strcspn): Likewise.
23310         (expand_builtin_args_info): Likewise.
23311         (expand_builtin_va_start): Likewise.
23312         (gimplify_va_arg_expr): Likewise.
23313         (expand_builtin_va_end): Likewise.
23314         (expand_builtin_va_copy): Likewise.
23315         (expand_builtin_frame_address): Likewise.
23316         (expand_builtin_alloca): Likewise.
23317         (expand_builtin_bswap): Likewise.
23318         (expand_builtin_unop): Likewise.
23319         (expand_builtin_fputs): Likewise.
23320         (expand_builtin_expect): Likewise.
23321         (expand_builtin_fabs): Likewise.
23322         (expand_builtin_copysign): Likewise.
23323         (expand_builtin_printf): Likewise.
23324         (expand_builtin_fprintf): Likewise.
23325         (expand_builtin_sprintf): Likewise.
23326         (expand_builtin_init_trampoline): Likewise.
23327         (expand_builtin_signbit): Likewise.
23328         (expand_builtin_fork_or_exec): Likewise.
23329         (expand_builtin_sync_operation): Likewise.
23330         (expand_builtin_compare_and_swap): Likewise.
23331         (expand_builtin_lock_test_and_set): Likewise.
23332         (expand_builtin_lock_release): Likewise.
23333         (expand_builtin): Likewise.
23334         (builtin_mathfn_code): Likewise.
23335
23336         (fold_builtin_constant_p): Pass call arguments individually instead
23337         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23338         accessors and constructors.  Return NULL_TREE instead of 0.
23339         (fold_builtin_expect): Likewise.
23340         (fold_builtin_classify_type): Likewise.
23341         (fold_builtin_strlen): Likewise.
23342         (fold_builtin_nan): Likewise.
23343         (integer_valued_real_p): Likewise.
23344         (fold_trunc_transparent_mathfn): Likewise.
23345         (fold_fixed_mathfn): Likewise.
23346         (fold_builtin_cabs): Likewise.
23347         (fold_builtin_sqrt): Likewise.
23348         (fold_builtin_cbrt): Likewise.
23349         (fold_builtin_cos): Likewise.
23350         (fold_builtin_cosh): Likewise.
23351         (fold_builtin_tan): Likewise.
23352         (fold_builtin_sincos): Likewise.
23353         (fold_builtin_cexp): Likewise.
23354         (fold_builtin_trunc): Likewise.
23355         (fold_builtin_floor): Likewise.
23356         (fold_builtin_ceil): Likewise.
23357         (fold_builtin_round): Likewise.
23358         (fold_builtin_int_roundingfn): Likewise.
23359         (fold_builtin_bitop): Likewise.
23360         (fold_builtin_bswap): Likewise.
23361         (fold_builtin_logarithm): Likewise.
23362         (fold_builtin_hypot): Likewise.
23363         (fold_builtin_pow): Likewise.
23364         (fold_builtin_powi): Likewise.
23365         (fold_builtin_exponent): Likewise.
23366         (fold_builtin_memset): Likewise.
23367         (fold_builtin_bzero): Likewise.
23368         (fold_builtin_memory_op): Likewise.
23369         (fold_builtin_bcopy): Deleted; call site changed to invoke
23370         fold_builtin_memory_op directly.
23371         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
23372         (fold_builtin_strncpy): Likewise.
23373         (fold_builtin_memcmp): Likewise.
23374         (fold_builtin_strcmp): Likewise.
23375         (fold_builtin_strncmp): Likewise.
23376         (fold_builtin_signbit): Likewise.
23377         (fold_builtin_copysign): Likewise.
23378         (fold_builtin_isascii): Likewise.
23379         (fold_builtin_toascii): Likewise.
23380         (fold_builtin_isdigit): Likewise.
23381         (fold_builtin_fabs): Likewise.
23382         (fold_builtin_abs): Likewise.
23383         (fold_builtin_fmin_fmax): Likewise.
23384         (fold_builtin_carg): Likewise.
23385         (fold_builtin_classify): Likewise.
23386         (fold_builtin_unordered_cmp): Likewise.
23387
23388         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
23389         New functions split out from fold_builtin_1.
23390         (fold_builtin_n): New.
23391         (fold_builtin_varargs): New.
23392         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
23393         instead.
23394         (fold_call_expr): New.
23395         (build_function_call_expr): Rewrite to use new helper function.
23396         (fold_builtin_call_list): New.
23397         (build_call_expr): New.
23398         (fold_builtin_call_valist): New.
23399         (rewrite_call_expr): New.
23400         (validate_arg): New.
23401         (validate_arglist): Change parameter to be entire CALL_EXPR instead
23402         of an arglist.  Change return type to bool.  Use new CALL_EXPR
23403         accessors.
23404
23405         (fold_builtin_strstr): Pass call arguments individually instead
23406         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23407         accessors and constructors.  Return NULL_TREE instead of 0.
23408         (fold_builtin_strchr): Likewise.
23409         (fold_builtin_strrchr): Likewise.
23410         (fold_builtin_strpbrk): Likewise.
23411         (fold_builtin_strcat): Likewise.
23412         (fold_builtin_strncat): Likewise.
23413         (fold_builtin_strspn): Likewise.
23414         (fold_builtin_strcspn): Likewise.
23415         (fold_builtin_fputs): Likewise.
23416         (fold_builtin_next_arg): Likewise.
23417         (fold_builtin_sprintf): Likewise.
23418
23419         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
23420         NULL_RTX instead of 0.
23421         (expand_builtin_memory_chk): Likewise.
23422         (maybe_emit_chk_warning): Likewise.
23423         (maybe_emit_sprintf_chk_warning): Likewise.
23424
23425         (fold_builtin_object_size): Pass call arguments individually instead
23426         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
23427         accessors and constructors.  Return NULL_TREE instead of 0.
23428         (fold_builtin_memory_chk): Likewise.
23429         (fold_builtin_stxcpy_chk): Likewise.
23430         (fold_builtin_strncpy_chk): Likewise.
23431         (fold_builtin_strcat_chk): Likewise.
23432         (fold_builtin_strcat_chk): Likewise.
23433         (fold_builtin_strncat_chk): Likewise.
23434         (fold_builtin_sprintf_chk): Likewise.
23435         (fold_builtin_snprintf_chk): Likewise.
23436         (fold_builtin_printf): Likewise.
23437         (fold_builtin_vprintf): Likewise.
23438
23439         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
23440         constructors.
23441         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
23442         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23443         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
23444         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
23445         (fold_unary): Likewise.
23446         (fold_binary): Likewise.
23447         (fold_ternary): Remove CALL_EXPR case, since they are no longer
23448         ternary expressions.
23449         (fold): Add logic for tcc_vl_exp.
23450         (fold_checksum_tree): Make it know about tcc_vl_exp.  Use
23451         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23452         (fold_build3_stat): Add assertion to flag broken interface for
23453         constructing CALL_EXPRs.
23454         (fold_build_call_list): New.
23455         (fold_build_call_list_initializer): New.
23456         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
23457         constructors.
23458         (fold_strip_sign_ops): Likewise.
23459
23460 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23461             Brooks Moses  <brooks.moses@codesourcery.com>
23462             Lee Millward  <lee.millward@codesourcery.com>
23463
23464         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
23465         accessors and dump arguments explicitly.
23466
23467         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
23468         TREE_CODE_LENGTH.
23469         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
23470         explicitly.
23471         (print_call_name): Use new CALL_EXPR accessors.
23472
23473         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
23474         CALL_EXPR arguments explicitly instead of as a list.  Use
23475         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23476
23477         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
23478         (vrp_visit_stmt): Likewise.
23479
23480         * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
23481         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
23482         TREE_CODE_LENGTH.
23483         (force_move_till_expr): Likewise.
23484
23485         * targhooks.c (default_external_stack_protect_fail): Use
23486         build_call_expr instead of build_function_call_expr.
23487         (default_hidden_stack_protect_fail): Likewise.
23488
23489         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
23490         build the call.
23491
23492         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
23493         and walk arguments explicitly.
23494
23495         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
23496         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23497         (expand_simple_operations): Likewise.
23498         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
23499
23500         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
23501         of TREE_CODE_LENGTH.
23502         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
23503
23504         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
23505         instead of TREE_CODE_LENGTH.
23506
23507         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
23508         (tree_ic_transform): Likewise.
23509         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
23510         parameter instead of arglist.  Fix callers.
23511         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
23512         (tree_stringops_transform): Likewise.
23513         (tree_indirect_call_to_profile): Likewise.
23514         (tree_stringops_values_to_profile): Likewise.
23515
23516         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
23517         (eliminate_tail_call): Likewise.
23518
23519         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
23520
23521         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
23522         Use TREE_OPERAND_LENGTH and generalize to handle any number of
23523         operands.
23524         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
23525
23526         * omp-low.c (build_omp_barrier): Use build_call_expr.
23527         (lower_rec_input_clauses): Likewise.
23528         (lower_reduction_clauses): Likewise.
23529         (expand_parallel_call): Likewise.
23530         (maybe_catch_exception): Likewise.
23531         (expand_omp_for_generic): Likewise.
23532         (expand_omp_for_static_nochunk): Likewise.
23533         (expand_omp_sections): Likewise.
23534         (lower_omp_single_simple): Likewise.
23535         (lower_omp_single_copy): Likewise.
23536         (lower_omp_master): Likewise.
23537         (lower_omp_ordered): Likewise.
23538         (lower_omp_critical): Likewise.
23539
23540         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
23541         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
23542
23543         * tree-gimple.c (is_gimple_call_addr): Fix doc.
23544         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
23545         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
23546
23547         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
23548         and generalize to handle any number of operands.
23549         (chrec_contains_undetermined): Likewise.
23550         (tree_contains_chrecs): Likewise.
23551         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
23552
23553         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
23554
23555         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
23556         fold_call_expr instead of fold_builtin.
23557         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
23558         match declarations there.
23559         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
23560         updates.
23561
23562         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
23563         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23564
23565         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
23566         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
23567
23568         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
23569         accessors.
23570
23571         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
23572         (execute_cse_sincos): Use new CALL_EXPR accessors.
23573
23574         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
23575
23576         * gimple-low.c (lower_function_body): Use build_call_expr.
23577         (lower_builtin_setjmp): Likewise.
23578
23579         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
23580         (set_storage_via_libcall): Likewise.
23581         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
23582         instead of TREE_CODE_LENGTH.
23583         (expand_expr_real_1): Use new CALL_EXPR accessors.
23584
23585         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
23586         generalize to handle any number of operands.
23587         (TB_parent_eq): Likewise.
23588
23589         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
23590         (strip_builtin_expect): Likewise.
23591
23592         * function.c (gimplify_parameters): Use build_call_expr.
23593
23594         * tree-vectorizer.c (vect_is_simple_reduction): Use
23595         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23596
23597         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
23598         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
23599
23600         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
23601         iterators.
23602
23603         * gimplify.c (build_stack_save_restore): Use build_call_expr.
23604         (gimplify_decl_expr): Likewise.
23605         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
23606         Use new CALL_EXPR iterators.
23607         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
23608         (gimplify_modify_expr_to_memset): Likewise.
23609         (gimplify_variable_sized_compare): Likewise.
23610         (gimplify_omp_atomic_fetch_op): Likewise.
23611         (gimplify_omp_atomic_pipeline): Likewise.
23612         (gimplify_omp_atomic_mutex): Likewise.
23613         (gimplify_function_tree): Likewise.
23614
23615         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
23616         (call_expr_flags): Likewise.
23617         (expand_call): Likewise.
23618
23619         * except.c (expand_builtin_eh_return_data_regno): Pass entire
23620         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23621         accessors.
23622
23623         * coverage.c (create_coverage): Use build_call_expr.
23624
23625         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
23626         (temp_call_expr_obstack): New.
23627         (pool_copy_list): Delete.
23628         (temp_copy_call_expr): New.
23629         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
23630         CALL_EXPR accessors.  Get rid of special goo for copying argument
23631         lists and use temp_copy_call_expr instead.
23632         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
23633         CALL_EXPR accessors.
23634         (create_expression_by_pieces): Likewise.  Use build_call_array
23635         to construct the result instead of fold_build3.
23636         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
23637         dealing with argument lists.
23638         (init_pre): Remove references to expression_node_pool and
23639         list_node_pool.  Init temp_call_expr_obstack instead.
23640         (fini_pre): Remove references to expression_node_pool and
23641         list_node_pool.
23642
23643         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
23644         and walk arguments explicitly instead of as a list.
23645
23646         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
23647         (mx_register_decls): Likewise.
23648         (mudflap_register_call): Likewise.
23649         (mudflap_finish_file): Likewise.
23650
23651         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
23652         (ipa_callsite_compute_param): Likewise.
23653
23654         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
23655         accessors and constructor.
23656
23657         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
23658         accessors and constructor.
23659         (convert_tramp_reference): Likewise.
23660         (convert_call_expr): Likewise.
23661         (finalize_nesting_tree_1): Likewise.
23662
23663         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
23664         accessors.
23665
23666         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
23667
23668         * tree-inline.c (initialize_inlined_parameters): Pass entire
23669         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
23670         accessors.
23671         (estimate_num_insns_1): Use new CALL_EXPR accessors.
23672         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
23673
23674         * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
23675         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23676         (vectorizable_reduction): Likewise.
23677         (vectorizable_call): Use new CALL_EXPR iterators.
23678         (vectorizable_conversion): Use build_call_expr.
23679         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
23680         (vect_gen_widened_results_half): Use build_call_expr.
23681         (vect_setup_realignment): Likewise.
23682         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
23683
23684         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
23685         (pass_through_call): Likewise.
23686         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
23687         fold_builtin.
23688
23689         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
23690         (tree_gen_pow2_profiler): Likewise.
23691         (tree_gen_one_value_profiler): Likewise.
23692         (tree_gen_ic_func_profiler): Likewise.
23693         (tree_gen_average_profiler): Likewise.
23694         (tree_gen_ior_profiler): Likewise.
23695
23696         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
23697         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
23698         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
23699
23700         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
23701         of TREE_CODE_LENGTH.
23702
23703         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
23704         of TREE_CODE_LENGTH.
23705
23706         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
23707         constructor.
23708         (convert_to_integer): Likewise.
23709
23710         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
23711         accessors.
23712
23713 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23714             Brooks Moses  <brooks.moses@codesourcery.com>
23715             Lee Millward  <lee.millward@codesourcery.com>
23716
23717         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
23718         accessors.
23719         * config/frv/frv.c (frv_expand_builtin): Likewise.
23720         * config/s390/s390.c (s390_expand_builtin): Likewise.
23721
23722         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
23723         (sparc_expand_builtin): Use new CALL_EXPR accessors.
23724
23725         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
23726         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
23727         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
23728         (ix86_expand_store_builtin): Likewise.
23729         (ix86_expand_unop_builtin): Likewise.
23730         (ix86_expand_unop1_builtin): Likewise.
23731         (ix86_expand_sse_compare): Likewise.
23732         (ix86_expand_sse_comi): Likewise.
23733         (ix86_expand_vec_init_builtin): Likewise.
23734         (ix86_expand_vec_ext_builtin): Likewise.
23735         (ix86_expand_vec_set_builtin): Likewise.
23736         (ix86_expand_builtin): Use new CALL_EXPR accessors.
23737
23738         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
23739         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
23740
23741         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
23742         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23743         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
23744
23745         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
23746         build_call_expr.
23747         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
23748         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
23749         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23750         (altivec_expand_abs_builtin): Likewise.
23751         (rs6000_expand_binop_builtin): Likewise.
23752         (altivec_expand_predicate_builtin): Likewise.
23753         (altivec_expand_lv_builtin): Likewise.
23754         (spe_expand_stv_builtin): Likewise.
23755         (altivec_expand_stv_builtin): Likewise.
23756         (rs6000_expand_ternop_builtin): Likewise.
23757         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
23758         (altivec_expand_st_builtin): Likewise.
23759         (altivec_expand_dst_builtin): Likewise.
23760         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
23761         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23762         (altivec_expand_vec_set_builtin): Likewise.
23763         (altivec_expand_vec_ext_builtin): Likewise.
23764         (altivec_expand_builtin): Use new CALL_EXPR accessors.
23765         (spe_expand_builtin): Likewise.
23766         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
23767         arglist.  Use new CALL_EXPR accessors.  Fix callers.
23768         (spe_expand_evsel_builtin): Likewise.
23769         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
23770         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
23771
23772         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
23773         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
23774         (arm_expand_unop_builtin): Likewise.
23775         (arm_expand_builtin): Use new CALL_EXPR accessors.
23776
23777         * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
23778         accessors.
23779
23780         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
23781         CALL_EXPR instead of arglist.  Use new CALL_EXPR accessors.
23782         Fix callers.
23783         (bfin_expand_unop_builtin): Likewise.
23784         (bfin_expand_builtin): Use new CALL_EXPR accessors.
23785
23786 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
23787             Brooks Moses  <brooks.moses@codesourcery.com>
23788             Lee Millward  <lee.millward@codesourcery.com>
23789
23790         * c-semantics.c (build_stmt): Add internal diagnostic check.
23791
23792         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
23793         accessors.  Print arguments explicitly instead of as a list.
23794
23795         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
23796
23797         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
23798         (c_finish_omp_flish): Likewise.
23799
23800         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
23801         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
23802         instead of TREE_CODE_LENGTH.
23803         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
23804         (c_warn_unused_result): Likewise.
23805
23806 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
23807
23808         PR c/26494
23809         * doc/invoke.texi (Warning Options): Remove
23810         -Werror-implicit-function-declaration.
23811         (Wimplicit-function-declaration): Update description.
23812         * opts.c (common_handle_option): Move handling of -Werror=* to...
23813         (enable_warning_as_error): ...here.
23814         * opts.h (enable_warning_as_error): Declare.
23815         * c-decl.c (implicit_decl_warning): Unless
23816         -Wno-implicit-function-declaration is given, emit a pedwarn if
23817         -std=c99 or emit a warning if -Wimplicit-function-declaration.
23818         * c.opt (Wimplicit-function-declaration): Replace
23819         mesg_implicit_function_declaration with
23820         warn_implicit_function_declaration.
23821         * c-opts.c (c_common_handle_option):
23822         -Werror-implicit-function-declaration is exactly equal as
23823         -Werror=implicit-function-declaration.
23824         (set_Wimplicit): Replace mesg_implicit_function_declaration with
23825         warn_implicit_function_declaration.
23826         (c_common_post_options): -Wimplict-function-declaration is enabled
23827         by default by -std=c99, otherwise is disabled by default.
23828         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
23829
23830 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23831
23832         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
23833         DECL on the rhs to a DECL on the lhs for debug info purposes if the
23834         former is ignored but not the latter.
23835
23836 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
23837
23838         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
23839         is made and the reference doesn't use the alias set of its type,
23840         do not create the temporary using that type.
23841
23842 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
23843
23844         * jump.c: Remove prototypes for delete_computation and
23845         delete_prior_computation.
23846
23847 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23848
23849         * jump.c (get_label_after): Delete.
23850         (get_label_before, delete_computation, delete_jump,
23851         delete_prior_computation, follow_jumps): Move...
23852         * reorg.c (delete_computation, delete_prior_computation): ... here...
23853         (get_label_before, delete_jump): ... making these static ...
23854         (follow_jumps): ... and simplifying this since it only runs after
23855         reload.
23856         * rtl.h (get_label_after, get_label_before, delete_jump,
23857         follow_jumps): Delete prototypes.
23858
23859 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
23860
23861         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
23862
23863 2007-02-15  Nick Clifton  <nickc@redhat.com>
23864
23865         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
23866         order to prevent it from being munged by the target.
23867
23868 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
23869
23870         * config/i386/i386.md: Remove misleading comment.
23871
23872 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23873
23874         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
23875         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
23876         invalid patterns.
23877
23878 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23879
23880         * tree-sra.c (instantiate_missing_elements): Canonicalize
23881         bit-field types.
23882         (sra_build_assignment): New.
23883         (generate_copy_inout, generate_element_copy,
23884         generate_element_zero, generate_one_element_init): Use it.
23885
23886 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23887
23888         * tree-sra.c (instantiate_missing_elements): Canonicalize
23889         bit-field types.
23890         (sra_build_assignment): New.
23891         (generate_copy_inout, generate_element_copy,
23892         generate_element_zero, generate_one_element_init): Use it.
23893
23894 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
23895
23896         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
23897         limbo die nodes.
23898
23899 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
23900
23901         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
23902         types as aggregates not scalars.
23903         * function.c (assign_stack_temp_for_type): Likewise.
23904
23905 2007-02-14  Roger Sayle  <roger@eyesopen.com>
23906             Zdenek Dvorak  <dvorakz@suse.cz>
23907
23908         * tree-dump.c (dump_switch_p_1): Require exact match of the option
23909         name.
23910
23911 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
23912
23913         * passes.c (next_pass_1): Clear the next field of the copied
23914         pass structure.
23915
23916 2007-02-14  Richard Henderson  <rth@redhat.com>
23917
23918         * tree-sra.c (early_sra): New.
23919         (decl_can_be_decomposed_p): Deny va_list if early_sra.
23920         (tree_sra_early, pass_sra_early): New.
23921         * tree-pass.h (pass_sra_early): Declare.
23922         * passes.c (init_optimization_passes): Use it.
23923
23924 2007-02-14  Richard Guenther  <rguenther@suse.de>
23925
23926         * flags.h (issue_strict_overflow_warning): Convert to a macro.
23927
23928 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
23929
23930          PR tree-optimization/30771
23931         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
23932         also phi nodes.
23933         (vect_analyze_operations): Induction phis can now be marked as
23934         used_in_loop.
23935         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
23936         Update documentation accordingly.
23937
23938 2007-02-14  Nick Clifton  <nickc@redhat.com>
23939
23940         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
23941         most 3 arguments are supported.
23942         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
23943
23944 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
23945
23946         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
23947         Ensure dst->current is valid.
23948
23949 2007-02-13  Paul Brook  <paul@codesourcery.com>
23950
23951         * config.gcc: Add arm*-*-uclinux-*eabi.
23952         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
23953         (SUBTARGET_EXTRA_LINK_SPEC): Define.
23954         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
23955         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
23956         (LINK_SPEC): Define.
23957         (LIB_SPEC): Define.
23958         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
23959         register.
23960         * config/arm/uclinux-eabi.h: New file.
23961         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
23962         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
23963         based targets.
23964
23965 2007-02-13  Ian Lance Taylor  <iant@google.com>
23966
23967         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
23968         * flags.h (warn_strict_overflow): Declare.
23969         (enum warn_strict_overflow_code): Define.
23970         (issue_strict_overflow_warning): New static inline function.
23971         * opts.c (warn_strict_overflow): New variable.
23972         (common_handle_option): Handle OPT_Wstrict_overflow and
23973         OPT_Wstrict_overflow_.
23974         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
23975         OPT_Wall.
23976         * fold-const.c: Include intl.h.
23977         (fold_deferring_overflow_warnings): New static variable.
23978         (fold_deferred_overflow_warning): New static variable.
23979         (fold_deferred_overflow_code): New static variable.
23980         (fold_defer_overflow_warnings): New function.
23981         (fold_undefer_overflow_warnings): New function.
23982         (fold_undefer_and_ignore_overflow_warnings): New function.
23983         (fold_deferring_overflow_warnings_p): New function.
23984         (fold_overflow_warning): New static function.
23985         (make_range): Add strict_overflow_p parameter.  Change all
23986         callers.
23987         (extract_muldiv, extract_muldiv_1): Likewise.
23988         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
23989         tree_expr_nonnegative_p.
23990         (fold_negate_expr): Call fold_overflow_warning.
23991         (fold_range_test): Likewise.
23992         (fold_comparison): Likewise.
23993         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
23994         instead of tree_expr_nonnegative_p.
23995         (tree_expr_nonnegative_warnv_p): Rename from
23996         tree_expr_nonnegative_p, add strict_overflow_p parameter.
23997         (tree_expr_nonnegative_p): New function.
23998         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
23999         strict_overflow_p parameter.
24000         (tree_expr_nonzero_p): New function.
24001         * passes.c (verify_interpass_invariants): New static function.
24002         (execute_one_pass): Call it.
24003         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
24004         warnings.
24005         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
24006         (estimate_numbers_of_iterations): Likewise.
24007         (scev_probably_wraps_p): Likewise.
24008         * tree-ssa-ccp.c: Include "toplev.h".
24009         (evaluate_stmt): Defer fold overflow warnings until we know we are
24010         going to optimize.
24011         (struct fold_stmt_r_data): Add stmt field.
24012         (fold_stmt_r): Defer fold overflow warnings until we know we
24013         optimized.
24014         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
24015         (fold_stmt_inplace): Likewise.
24016         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
24017         (cleanup_control_expr_graph): Defer fold overflow warnings until
24018         we know we are going to optimize.
24019         * tree-cfg.c (fold_cond_expr_cond): Likewise.
24020         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
24021         Likewise.
24022         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
24023         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
24024         * tree-ssa-loop-manip.c (create_iv): Likewise.
24025         * c-typeck.c (build_conditional_expr): Likewise.
24026         (build_binary_op): Likewise.
24027         * tree-vrp.c (vrp_expr_computes_nonzero): Call
24028         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
24029         (extract_range_from_unary_expr): Likewise.
24030         * simplify-rtx.c (simplify_const_relational_operation): Warn when
24031         assuming that signed overflow does not occur.
24032         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
24033         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
24034         (fold_defer_overflow_warnings): Declare.
24035         (fold_undefer_overflow_warnings): Declare.
24036         (fold_undefer_and_ignore_overflow_warnings): Declare.
24037         (fold_deferring_overflow_warnings_p): Declare.
24038         (tree_expr_nonzero_warnv_p): Declare.
24039         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
24040         of warning options.
24041         (Warning Options): Document -Wstrict-overflow.
24042         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
24043         (tree-ssa-ccp.o): Likewise.
24044         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
24045         (fold-const.o): Depend on intl.h.
24046
24047 2007-02-13  Ian Lance Taylor  <iant@google.com>
24048
24049         PR middle-end/30751
24050         * lower-subreg.c (resolve_simple_move): Decompose subregs in
24051         addresses.
24052
24053 2007-02-13  Stuart Hastings  <stuart@apple.com>
24054
24055         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
24056
24057 2007-02-13  Richard Henderson  <rth@redhat.com>
24058
24059         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
24060         handled_component_p before looking for the indirect_ref.
24061
24062 2007-02-13  Richard Henderson  <rth@redhat.com>
24063
24064         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
24065         remove flags clobber.
24066         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
24067         (bswaphi_lowpart): New.
24068         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
24069         remove TARGET_BSWAP test.  Delete expander of the same name.
24070
24071         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
24072         (expand_unop): Use them.
24073
24074 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
24075
24076         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
24077         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
24078         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
24079         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
24080         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
24081         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
24082         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
24083         assembler dialect choice from asm templates.
24084
24085 2007-02-12  Richard Henderson  <rth@redhat.com>
24086
24087         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
24088         (fixuns_trunc<SSEMODEF>si2): Use it.
24089         * config/i386/sse.md (vec_setv4sf_0): Export.
24090         * config/i386/i386.c (ix86_build_const_vector): Export.
24091         (ix86_split_convert_uns_si_sse): Rename from
24092         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
24093         * config/i386/i386-protos.h: Update.
24094
24095 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24096
24097         PR c/29521
24098         * c-typeck.c (c_finish_return): Improve warning message.
24099
24100 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24101
24102         * alias.c (find_symbolic_term): Delete unused function.
24103
24104 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
24105
24106         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
24107         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
24108         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
24109
24110 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24111
24112         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
24113         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
24114         the function, temporarily point the debug interface to the null one.
24115
24116 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
24117
24118         * dwarf2out.c (round_up_to_align): New static function.
24119         (field_byte_offset): Use it to round the offset.
24120
24121 2007-02-12  Richard Henderson  <rth@redhat.com>
24122
24123         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
24124         (inswl_const): Export.
24125
24126 2007-02-12  Richard Henderson  <rth@redhat.com>
24127
24128         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
24129         result mode of the libcall, convert back to outmode.
24130
24131 2007-02-12  Roger Sayle  <roger@eyesopen.com>
24132
24133         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
24134         (bswapdi2): New define_expand to implement 32-bit implementation.
24135
24136 2007-02-12  Nick Clifton  <nickc@redhat.com>
24137
24138         * doc/invoke.texi (Overall Options): Document --help=.
24139         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
24140         (cc1_options): Pass --help= on to cc1.
24141         (display_help): Add description of --help=.
24142         (process_command): Add code to handle --help=.  Allow translated
24143         --help and --target-help switches to be passed on to compiler
24144         sub-process.
24145         (main): Remove unused if statement.
24146         * opts.c (columns): Remove.
24147         (LEFT_COLUMN): Define.
24148         (wrap_help): Add columns argument.
24149         (print_filtered_help): Change parameters to be an include bitmask,
24150         an exclude bitmask, an any bitmask and the column width.  Move the
24151         code to display the params list here.  Add code to display the
24152         status of options rather than their descriptions if the quiet flag
24153         is not active.
24154         (print_specific_help): Change parameters to be an include bitmask,
24155         an exclude bitmask and an any bitmask.  Move code to look up the
24156         column width here.  Decide upon the title for an options listing.
24157         (common_handle_options): Add code to handle --help=.  Adapt code
24158         for --help and --target-help to use the revised form of the
24159         print_specific_help function.
24160         (print_help): Delete.
24161         (print_param_help): Delete.
24162         (print_switch): Delete.
24163         * opts.h (cl_lang_count): Add prototype.
24164         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
24165         CL_MAX_OPTION_CLASS): New defines.
24166         * optc-gen.awk: Add construction of cl_lang_count.
24167         * c.opt: Add Warning attribute to warning options and Optimization
24168         attribute to optimization options.
24169         * common.opt: Likewise.
24170         Add --help=.
24171         Add -fhelp and -ftarget-help as aliases for the transformed --help
24172         and --target-help options.
24173         * opt-functions.awk: Add code to handle Warning and Optimization
24174         attributes.
24175
24176 2007-02-12  Richard Henderson  <rth@redhat.com>
24177
24178         * config/alpha/constraints.md: New file.
24179         * config/alpha/alpha.c: Include tm-constrs.h.
24180         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
24181         alpha_extra_constraint): Remove.
24182         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
24183         * config/alpha/alpha-protos.h: Update.
24184         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
24185         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
24186         (EXTRA_CONSTRAINT): Remove.
24187         * config/alpha/alpha.md: Include constraints.md.
24188         (adddi splitter): Use satisfies_constraint_*.
24189         * config/alpha/predicates.md (add_operand): Likewise.
24190         (sext_add_operand, addition_operation): Likewise.
24191
24192 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
24193
24194         PR tree-optimization/29145
24195         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
24196         in our handling of restrict qualified pointers.
24197
24198 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24199
24200         PR middle-end/7651
24201         * doc/invoke.texi (Wunused-value): Update description.
24202         (Wextra): Delete item.
24203         * opts.c (set_Wextra): Don't use the value of Wextra to set the
24204         value of Wunused-value.
24205         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
24206         (c_finish_stmt_expr): Don't check extra_warnings.
24207         (emit_side_effect_warnings): The caller is responsible to check
24208         warn_unused_value.
24209
24210 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24211             Matt Thomas  <matt@3am-software.com>
24212
24213         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
24214
24215 2007-02-11  Roger Sayle  <roger@eyesopen.com>
24216
24217         * simplify-rtx.c (simplify_relational_operation_1): Optimize
24218         comparisons of POPCOUNT against zero.
24219         (simplify_const_relational_operation): Likewise.
24220
24221 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24222
24223         * doc/invoke.texi (Wextra): Delete outdated paragraph.
24224
24225 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24226
24227         * dwarf2out.c (root_type): Delete unused function.
24228
24229 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24230
24231         * genattrtab.c (contained_in_p): Delete unused function.
24232         (write_expr_attr_cache): Likewise.
24233
24234 2007-02-11  Jan Hubicka  <jh@suse.cz>
24235
24236         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
24237         previous patch.
24238
24239 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
24240
24241         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
24242         to add the REG_EQ* note.
24243         * see.c (see_merge_one_use_extension): Likewise.
24244         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
24245         turn REG_EQUAL notes into REG_EQUIV notes if the target
24246         register may have more than one set.
24247         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
24248         * gcse.c (try_replace_reg): Likewise.
24249         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
24250         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
24251         more than one REG_EQUIV note.
24252         * reload1.c (gen_reload): Use set_unique_reg_note.
24253
24254 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
24255
24256         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
24257         (ix86_builtin_conversion): New function.
24258
24259 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
24260
24261         PR target/29487
24262         * tree.h (DECL_REPLACEABLE_P): New macro.
24263         * except.c (set_nothrow_function_flags): Likewise.
24264
24265 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
24266             Ira Rosen  <irar@il.ibm.com>
24267             Dorit Nuzman  <dorit@il.ibm.com>
24268
24269         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
24270         * targhooks.c (default_builtin_vectorized_conversion): New.
24271         * targhooks.h (default_builtin_vectorized_function): New declaration.
24272         * target.h (struct vectorize): Add builtin_conversion field.
24273         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
24274         stmt_vec_info_type value.
24275         (vectorizable_conversion): New declaration.
24276         * tree-vect-analyze.c (vect_analyze_operations): Add
24277         vectorizable_conversion call.
24278         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
24279         * tree-vect-transform.c (vectorizable_conversion): New function.
24280         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
24281         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
24282         mode.
24283         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
24284         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
24285         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
24286         or ALTIVEC_BUILTIN_VCFSX.
24287
24288 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24289
24290         PR target/30634
24291         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
24292         CONST_DOUBLE and operand 0 is a hard register.
24293         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
24294         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
24295         is a hard floating-point register.
24296
24297 2007-02-10  Richard Henderson  <rth@redhat.com>
24298             Jakub Jelinek  <jakub@redhat.com>
24299             Alexandre Oliva  <aoliva@redhat.com>
24300
24301         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
24302         * builtin-types.def (BT_WORD): Make unsigned.
24303         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
24304         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
24305         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24306         * c-decl.c (grokdeclarator): Don't error if !have_tls.
24307         * c-parser.c (c_parser_omp_threadprivate): Likewise.
24308         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
24309         emulated tls.
24310         * expr.c (emutls_var_address): New.
24311         (expand_expr_real_1): Expand emulated tls.
24312         (expand_expr_addr_expr_1): Likewise.
24313         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
24314         * output.h (emutls_finish): Declare.
24315         * toplev.c (compile_file): Call it.
24316         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
24317         address before wrapping in CONST.
24318         * varasm.c (emutls_htab, emutls_object_type): New.
24319         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
24320         (get_emutls_object_name, get_emutls_object_type): New.
24321         (get_emutls_init_templ_addr, emutls_decl): New.
24322         (emutls_common_1, emutls_finish): New.
24323         (assemble_variable): When emulating tls, swap decls; generate
24324         constructor for the emutls objects.
24325         (do_assemble_alias): When emulating tls, swap decl and target name.
24326         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
24327         for emulated tls.
24328         * varpool.c (decide_is_variable_needed): Look at force_output.
24329         Recurse for emulated tls.
24330         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
24331         with decide_is_variable_needed.
24332         * emutls.c: New file.
24333         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
24334         tls_object for real tls.
24335
24336 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
24337
24338         PR rtl-optimization/29599
24339         * reload1.c (eliminate_regs_in_insn): Take the destination
24340         mode into account when computing the offset.
24341
24342 2007-02-09  Stuart Hastings  <stuart@apple.com>
24343             Richard Henderson  <rth@redhat.com>
24344
24345         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24346         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
24347         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
24348         fixuns_truncdfhi2): New.
24349         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
24350         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
24351         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
24352         (floatunssidf2): Allow nonimmediate source.
24353         * config/i386/sse.md (movdi_to_sse): New.
24354         (vec_concatv2di): Drop '*'.
24355         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
24356         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24357         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
24358         New.
24359         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
24360         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
24361         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
24362         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
24363         (ix86_build_signbit_mask): Fix decl of v, refactor to call
24364         ix86_build_const_vector.
24365         (x86_emit_floatuns): Rewrite.
24366
24367 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
24368
24369         * genautomata.c (longest_path_length): Delete unused function.
24370         (struct state): Delete unused longest_path_length.
24371         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
24372         (get_free_state): Delete unused.
24373
24374 2007-02-09  Jan Hubicka  <jh@suse.cz>
24375
24376         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
24377         * doc/invoke.texi (inline-unit-growth): Update default value.
24378
24379         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
24380         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
24381         (rebuild_cgraph_edges): Likewise.
24382         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
24383         (dump_cgraph_node): Dump frequencies.
24384         (cgraph_clone_edge): Add frequency scales.
24385         (cgraph_clone_node): Add freuqnecy.
24386         * cgraph.h (cgraph_edge): Add freuqnecy argument.
24387         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
24388         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
24389         * tree-pass.h (TODO_rebuild_frequencies): New constant.
24390         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
24391         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
24392         (save_inline_function_body): Likewise.
24393         * ipa-inline.c: inluce rtl.h
24394         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
24395         (cgraph_edge_badness): Use frequencies.
24396         (cgraph_decide_recursive_inlining): Update clonning.
24397         (cgraph_decide_inlining_of_small_function): Dump frequency.
24398         * predict.c (estimate_bb_frequencies): Export.
24399         * predict.h (estimate_bb_frequencies): Declare.
24400         * tree-inline.c (copy_bb): Watch overflows.
24401         (expand_call_inline): Update call of cgraph_create_edge.
24402         (optimize_inline_calls): Use TODO flags to update frequnecies.
24403         * passes.h: Include predict.h
24404         (init_optimization_passes): Move profile ahead.
24405         (execute_function_todo): Handle TODO_rebuild_frequencies.
24406
24407 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24408
24409         * config/alpha/alpha.c (emit_insxl): Force the first operand of
24410         the insbl or inswl pattern into a register.
24411
24412 2007-02-09  Roger Sayle  <roger@eyesopen.com>
24413
24414         * config/ia64/ia64.md (bswapdi2): New define_insn.
24415
24416 2007-02-09  Richard Henderson  <rth@redhat.com>
24417
24418         * config/i386/constraints.md (Ym): New constraint.
24419         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
24420         (movdi_1_rex64): Split sse and xmm general register moves from
24421         memory move alternatives.  Use conditional register constraints.
24422         (movsf_1, movdf_integer): Likewise.
24423         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
24424         (movdf_integer_rex64): New.
24425         (pushsf_rex64): Fix output constraints.
24426         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
24427         (sse2_stored): Likewise.
24428         (sse2_storeq_rex64): New.
24429         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
24430         amd and not generic.
24431         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
24432         for optimize_size.  Remove SF/DFmode hack.
24433
24434 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
24435
24436         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
24437         (bit_SSE4a): New.
24438
24439 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
24440             Richard Sandiford  <richard@codesourcery.com>
24441
24442         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
24443         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
24444         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
24445         m68k/t-mlib to tmake_file.
24446         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
24447         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
24448         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
24449         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
24450         variable is not empty, add t-$m68k_arch_family to tmake_file.
24451         Add t-mlibs to tmake_file.
24452         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
24453         * config/m68k/t-cf: New file.
24454         * config/m68k/t-m68k: Likewise.
24455         * config/m68k/t-mlibs: Likewise.
24456         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24457         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24458         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24459         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24460         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
24461         Delete.
24462         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
24463         (INSTALL_LIBGCC): Delete.
24464         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
24465         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24466         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24467         (M68K_MLIB_CPU): Define.
24468         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
24469         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
24470         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
24471
24472 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
24473             Richard Guenther  <rguenther@suse.de>
24474
24475         PR middle-end/23361
24476         * fold-const.c (fold_comparison): Handle obfuscated comparisons
24477         against INT_MIN/INT_MAX.
24478         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
24479         file if a loop is removed.
24480
24481 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
24482
24483         * calls.c (store_one_arg): Pass correct alignment to
24484         emit_push_insn for non-BLKmode values.
24485         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
24486         unaligned stack slot via a suitably aligned slot.
24487
24488 2007-02-08  DJ Delorie  <dj@redhat.com>
24489
24490         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
24491         warnings.
24492         (legal_subregs): Use unsigned char, make const.
24493         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
24494
24495 2007-02-08  Paul Brook  <paul@codesourcery.com>
24496
24497         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
24498         special interworking needed.
24499
24500 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
24501
24502         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
24503         conditional to __SSE2__.
24504         (Entries below should have been added to first ChangeLog
24505         entry for amdfam10 dated 2007-02-05)
24506         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
24507         defined.
24508         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
24509         defined.
24510         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
24511         defined.
24512
24513 2007-02-08  DJ Delorie  <dj@redhat.com>
24514
24515         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
24516         * config/m32c/m32c.c (legal_subregs): New.
24517         (m32c_illegal_subreg_p): New.
24518         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
24519         unsupported subregs of hard regs.
24520
24521 2007-02-08  Jan Hubicka  <jh@suse.cz>
24522
24523         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
24524         the same one; always update histograms.
24525
24526 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24527
24528         * passes.c (init_optimization_passes): Tidy comment.
24529
24530 2007-02-08  Roger Sayle  <roger@eyesopen.com>
24531
24532         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
24533         strip zero_extend, bswap and rotates from POCOUNT's argument.
24534         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
24535         zero_extend and rotates from PARITY's argument.
24536         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
24537         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
24538         of an integer constant at compile-time.
24539
24540 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
24541
24542         PR 30562
24543         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
24544         Update all users.
24545         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
24546         users.
24547         (init_alias_info):
24548         * tree-ssa-live.c (remove_unused_locals): Do not remove
24549         TREE_ADDRESSABLE variables.
24550         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
24551         * tree-ssa-operands.c (add_virtual_operand): Remove argument
24552         FOR_CLOBBER.  Update all users.
24553         If VAR has an associated alias set, add a virtual operand for
24554         it if no alias is found to conflict with the memory reference.
24555
24556 2007-02-07  Jan Hubicka  <jh@suse.cz>
24557             Robert Kidd <rkidd@crhc.uiuc.edu>
24558
24559         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
24560
24561 2007-02-07  Ian Lance Taylor  <iant@google.com>
24562
24563         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
24564
24565 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24566
24567         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
24568         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
24569         tablejumpdi, movsi_to_cr_one): Remove constraints from
24570         define_expand's match_operands.
24571
24572 2007-02-07  Roger Sayle  <roger@eyesopen.com>
24573
24574         * global.c (compute_regsets): Move declatation of "i" inside of
24575         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
24576
24577 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
24578
24579         PR c++/30703
24580         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
24581         of INDIRECT_REF <RESULT_DECL>.
24582
24583         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
24584
24585 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
24586             Kaz Kojima  <kkojima@gcc.gnu.org>
24587
24588         PR target/29746
24589         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
24590         properly.
24591         (sh_initialize_trampoline): Add parentheses to avoid a warning.
24592
24593 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
24594
24595         * doc/loop.texi: Document possibility not to perform disambiguation
24596         of loops with multiple latches.
24597         * cfgloopmanip.c (alp_enum_p): Removed.
24598         (add_loop): Handle subloops.  Use get_loop_body_with_size.
24599         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
24600         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
24601         the new forwarder block.
24602         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
24603         Handle the case latch is NULL.
24604         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
24605         modifications when marking loop exits.
24606         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
24607         be modified.
24608         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
24609         disambiguate_loops_with_multiple_latches.
24610         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
24611         before fix_loop_structure.
24612         * cfgloop.c: Include pointer-set.h and output.h.
24613         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
24614         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
24615         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
24616         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
24617         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
24618         disambiguate_multiple_latches, get_loop_body_with_size,
24619         disambiguate_loops_with_multiple_latches): New functions.
24620         (flow_loop_dump): Dump multiple latch edges.
24621         (flow_loop_nodes_find): Handle loops with multiple latches.
24622         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
24623         (glb_enum_p): Modified.
24624         (get_loop_body): Use get_loop_body_with_size.
24625         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
24626         (AVOID_CFG_MODIFICATIONS): New constant.
24627         (disambiguate_loops_with_multiple_latches, add_loop,
24628         get_loop_body_with_size): Declare.
24629         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
24630
24631 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
24632
24633         PR inline-asm/28686
24634         * global.c (compute_regsets): New function.
24635         (global_alloc): Refactored ELIMINABLE_REGSET
24636         and NO_GLOBAL_ALLOC_REGS computation out.
24637         (rest_of_handle_global_alloc): Call compute_regsets()
24638         for non-optimizing case.
24639
24640 2007-02-06  Richard Henderson  <rth@redhat.com>
24641
24642         * config/i386/constraints.md (Y2): Rename from Y.
24643         (Yi): New constraint.
24644         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
24645         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
24646         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
24647         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
24648         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
24649         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
24650         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
24651         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
24652         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
24653         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
24654         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
24655         vec_extractv2si_1): Change Y constraints to Y2.
24656         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
24657         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
24658         Change Y constraints to Y2.
24659         (sse2_loadld): Change Y constraints to x.
24660
24661 2007-02-06  Roger Sayle  <roger@eyesopen.com>
24662
24663         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
24664         (parity<mode>2): New define_expand using rs6000_emit_parity.
24665         * config/rs6000/rs6000.c (rs6000_emit_popcount,
24666         rs6000_emit_parity): New functions.
24667         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
24668         rs6000_emit_parity): Prototype here.
24669
24670 2007-02-06  Ian Lance Taylor  <iant@google.com>
24671
24672         * lower-subreg.c (simple_move_operand): Reject CONST.
24673         (resolve_clobber): Call validate_change rather than directly
24674         assigning to XEXP (pat, 0).
24675
24676 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24677
24678         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
24679         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
24680         (tree-cfg.o): Remove hashtab.h dependency.
24681
24682         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
24683         (struct ivopts_data): Change niters to pointer_map_t.
24684         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
24685         (niter_for_exit): Create pointer_map on demand.  Change for
24686         pointer_map API.
24687         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
24688         (free_loop_data): Destroy data->niters if created and reset field.
24689         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
24690         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
24691
24692         * tree-ssa-reassoc.c: Include pointer-set.h.
24693         (bb_rank): Change to long *.
24694         (operand_rank): Change to pointer_map_t.
24695         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
24696         (insert_operand_rank): Accept long.
24697         (operand_entry_hash, operand_entry_eq): Remove.
24698         (get_rank): Return long.  Adjust for changes above.
24699         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
24700         and operand_rank.
24701         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
24702
24703         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
24704         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
24705         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
24706         is not NULL.
24707         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
24708         directly since it cannot be NULL.
24709         (get_vi_for_tree): Rewrite for pointer_map API.
24710         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
24711         (init_alias_vars): Create vi_for_tree as pointer_map.
24712         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
24713
24714         * tree-cfg.c: Don't include hashtab.h.
24715         (edge_to_cases): Declare as pointer_map.
24716         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
24717         Delete.
24718         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
24719         (start_recording_case_labels): Create edge_to_cases as pointer_map.
24720         (end_recoding_case_labels): Cleanup edge_to_cases manually before
24721         destroying it.
24722         (record_switch_edge): Delete.
24723         (get_cases_for_edge): Adjust for pointer_map API, inline
24724         record_switch_edge (rewritten for new API), remove goto.
24725
24726 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
24727
24728         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
24729         * tree-nested.c: Include pointer-set.h.
24730         (var_map_elt, var_map_eq, var_map_hash): Delete.
24731         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
24732         to pointer_map_t's.
24733         (nesting_info_bitmap_obstack): New.
24734         (lookup_field_for_decl): Adjust for pointer_map API.
24735         (lookup_tramp_for_decl): Adjust for pointer_map API.
24736         (get_nonlocal_debug_decl): Adjust for pointer_map API.
24737         (get_local_debug_decl): Adjust for pointer_map API.
24738         (convert_nl_goto_reference): Adjust for pointer_map API.
24739         (convert_nl_goto_receiver): Adjust for pointer_map API.
24740         (create_nesting_tree): Create outside GGC space.  Create bitmap on
24741         the new obstack.  Create field_map and var_map as pointer_maps.
24742         (free_nesting_tree): Adjust for changes to create_nesting_tree.
24743         (root): Delete.
24744         (lower_nested_functions): Move root here, no need to NULL it.
24745         Initialize and release the obstack.
24746
24747 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
24748
24749         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
24750         Remove prototypes and make them non-static.
24751         (struct tree_int_map): Remove.
24752         * tree.h (struct tree_int_map): Move here, turning TO into an
24753         unsigned int.
24754         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
24755
24756         * tree.h (TREE_COMPLEXITY): Remove.
24757         (struct tree_exp): Remove complexity field.
24758         * tree.c (build1_stat): Don't set it.
24759
24760 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
24761             Victor Kaplansky  <victork@il.ibm.com>
24762
24763         * tree-vectorizer.c (vect_is_simple_use): Support induction.
24764         (vect_is_simple_reduction): Support reduction with induction as
24765         one of the operands.
24766         (vect_is_simple_iv_evolution): Fix formatting.
24767         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
24768         formatting.  Don't mark induction phis for vectorization.
24769         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
24770         * tree-vect-transform.c (get_initial_def_for_induction): New function.
24771         (vect_get_vec_def_for_operand): Support induction.
24772         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
24773         induction case.
24774         (vectorizable_reduction): Support reduction with induction as one of
24775         the operands.
24776         (vectorizable_type_demotion): Use def-type of stmt argument rather
24777         than dummy def-type.
24778
24779         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
24780         flag_tree_scev_cprop.
24781         * common.opt (tree-scev-cprop): New flag.
24782
24783         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
24784         call to vect_get_new_vect_var.
24785
24786 2007-02-06  Ira Rosen  <irar@il.ibm.com>
24787
24788         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
24789         vectype is not NULL.
24790         (vect_pattern_recog_1): Likewise.
24791
24792 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
24793
24794         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
24795         (fold_negate_expr): Likewise.
24796
24797 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
24798
24799         PR debug/30189
24800         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
24801         even if cv-qualification is the same.
24802
24803 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
24804
24805         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
24806         __enable_execute_stack on completion.
24807
24808 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24809
24810         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
24811         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
24812         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
24813         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
24814         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
24815         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
24816         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
24817         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
24818
24819 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24820
24821         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
24822         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
24823         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
24824         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
24825         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
24826         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
24827         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
24828         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
24829         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
24830         umuldi3_highpart_rex64, umulsi3_highpart_insn,
24831         umulsi3_highpart_zext, smuldi3_highpart_rex64,
24832         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
24833         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
24834         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
24835         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
24836         sqrtextenddfxf2_i387): Added amdfam10_decode.
24837
24838         * config/i386/athlon.md (athlon_idirect_amdfam10,
24839         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
24840         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
24841         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
24842         athlon_ivector_store_amdfam10): New define_insn_reservation.
24843         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
24844         amdfam10.
24845
24846 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24847
24848         * config/i386/athlon.md (athlon_call_amdfam10,
24849         athlon_pop_amdfam10, athlon_lea_amdfam10): New
24850         define_insn_reservation.
24851         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
24852         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
24853         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
24854
24855 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24856
24857         * config/i386/athlon.md (athlon_sseld_amdfam10,
24858         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
24859         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
24860
24861 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24862
24863         * config/i386/athlon.md (athlon_sseins_amdfam10): New
24864         define_insn_reservation.
24865         * config/i386/i386.md (sseins): Added sseins to define_attr type
24866         and define_attr unit.
24867         * config/i386/sse.md: Set type attribute to sseins for insertq
24868         and insertqi.
24869
24870 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24871
24872         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
24873         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
24874         ssecomi_load_amdfam10, ssecomi_amdfam10,
24875         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
24876         define_insn_reservation.
24877         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
24878
24879 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24880
24881         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
24882         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
24883         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
24884         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
24885         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
24886         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
24887         define_insn_reservation.
24888
24889         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
24890         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
24891         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
24892         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
24893         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
24894
24895 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24896
24897         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
24898         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
24899         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
24900         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
24901         athlon_ssemul_load_k8): Added amdfam10.
24902
24903 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24904
24905         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
24906         (x86_sse_unaligned_move_optimal): New variable.
24907
24908         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
24909         m_AMDFAM10.
24910         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
24911         for unaligned vector SSE double/single precision loads for AMDFAM10.
24912
24913 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24914
24915         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
24916         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
24917         Define TARGET_CPU_DEFAULT_amdfam10.
24918         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
24919         (processor_type): Add PROCESSOR_AMDFAM10.
24920
24921         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
24922         processor_type in config/i386/i386.h.
24923         Enable imul peepholes for TARGET_AMDFAM10.
24924
24925         * config.gcc: Add support for --with-cpu option for amdfam10.
24926
24927         * config/i386/i386.c (amdfam10_cost): New variable.
24928         (m_AMDFAM10): New macro.
24929         (m_ATHLON_K8_AMDFAM10): New macro.
24930         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
24931         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
24932         x86_promote_QImode, x86_integer_DFmode_moves,
24933         x86_partial_reg_dependency, x86_memory_mismatch_stall,
24934         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
24935         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
24936         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
24937         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
24938         Enable/disable for amdfam10.
24939         (override_options): Add amdfam10_cost to processor_target_table.
24940         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
24941         processor_alias_table.
24942         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
24943         (ix86_adjust_cost): Add code for amdfam10.
24944
24945 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
24946
24947         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
24948         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
24949         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
24950         * config/i386/i386.h: Add builtin definition for SSE4A.
24951         * config/i386/i386.md: Add support for ABM instructions
24952         (popcnt and lzcnt).
24953         * config/i386/sse.md: Add support for SSE4A instructions
24954         (movntss, movntsd, extrq, insertq).
24955         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
24956         Add -march=amdfam10 flag.
24957         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
24958         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
24959         and amdfam10.
24960         * doc/extend.texi: Add documentation for SSE4A builtins.
24961
24962 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
24963
24964         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
24965
24966 2007-02-05  Richard Guenther  <rguenther@suse.de>
24967
24968         * tree-vectorizer.h (vectorizable_function): Add argument type
24969         argument, change return type.
24970         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
24971         * tree-vect-transform.c (vectorizable_function): Handle extra
24972         argument, return vectorized function decl.
24973         (build_vectorized_function_call): Remove.
24974         (vectorizable_call): Handle calls with result and argument types
24975         differing.  Handle loop vectorization factor correctly.
24976         * targhooks.c (default_builtin_vectorized_function): Adjust for
24977         extra argument.
24978         * targhooks.h (default_builtin_vectorized_function): Likewise.
24979         * target.h (builtin_vectorized_function): Add argument type
24980         argument.
24981         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
24982         extra argument, allow vectorizing of lrintf.
24983         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
24984         documentation of target hook.
24985
24986 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
24987
24988         PR target/30665
24989         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
24990         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
24991         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
24992
24993 2007-02-05  Roger Sayle  <roger@eyesopen.com>
24994
24995         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
24996         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
24997         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
24998         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
24999         before canonicalizing sincos to cexpi.
25000         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
25001
25002 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25003
25004         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
25005         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
25006         (alpha_init_builtins): Use alpha_add_builtins to process tables.
25007
25008 2007-02-05  Roger Sayle  <roger@eyesopen.com>
25009
25010         * mips-tfile.c (initialize_init_file): Correct endianness test.
25011
25012 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
25013
25014         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
25015         the 'y' constraint.
25016
25017 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25018
25019         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
25020         saves in a PARALLEL before the register assignments.
25021
25022 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
25023
25024         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
25025         DWARF_FRAME_RETURN_COLUMN to be a general register.
25026         * dwarf2out.c (init_return_column_size): New function, split from...
25027         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
25028         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
25029         to be nongeneral registers.
25030         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
25031         integer registers.
25032         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
25033         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
25034
25035 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25036
25037         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
25038
25039 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
25040
25041         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
25042         (remove_path): Use can_remove_branch_p and remove_branch instead
25043         of loop_delete_branch_edge.
25044         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
25045         (tree_transform_and_unroll_loop): Remove dead branches immediately.
25046         Update profile using scale_dominated_blocks_in_loop.
25047         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
25048         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
25049         (can_remove_branch_p, remove_branch): Declare.
25050         * tree-cfg.c (tree_can_remove_branch_p): New function.
25051         (tree_cfg_hooks): Add tree_can_remove_branch_p.
25052         * cfgrtl.c (rtl_can_remove_branch_p): New function.
25053         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
25054
25055 2007-02-05  Jan Hubicka  <jh@suse.cz>
25056
25057         PR middle-end/30696
25058         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
25059         nodes in cgraph, don't remove offline copy of the function.
25060
25061 2007-02-04  Jan Hubicka  <jh@suse.cz>
25062
25063         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
25064         vectors might cause maybe_lookup_element_for_expr to be called
25065         on non-sra-candidate.
25066
25067 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25068
25069         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
25070         config/bfin/bfin.md, config/bfin/predicates.md: Follow
25071         spelling conventions.
25072
25073 2007-02-04  Richard Guenther  <rguenther@suse.de>
25074
25075         PR middle-end/30636
25076         * fold-const.c (try_move_mult_to_index): Make sure to not
25077         overflow one dimension of a multi-dimensional array access.
25078
25079 2007-02-04  Jan Hubicka  <jh@suse.cz>
25080
25081         * passes.c (init_optimization_passes): Reindent.
25082
25083 2007-02-04  Jan Hubicka  <jh@suse.cz>
25084             Eric Botcazou  <ebotcazou@adacore.com>
25085
25086         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
25087         (execute_fixup_cfg): Break out the abnormal goto code.
25088         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
25089         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
25090         (optimize_inline_calls): Call make_nonlocal_label_edges.
25091
25092 2007-02-04  Jan Hubicka  <jh@suse.cz>
25093
25094         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
25095         true when something was changed.
25096         (rename_ssa_copies): When something was changed, do
25097         TODO_remove_unused_locals.
25098         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
25099         add TODO_remove_unused_locals when instruction was removed.
25100
25101 2007-02-04  Jan Hubicka  <jh@suse.cz>
25102
25103         * ipa-inline.c (try_inline): Improve debug output; work on already
25104         inline edges too.
25105         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
25106         call try_inline for already inlined edges too when flattening;
25107         inline also functions that make callee growth but overall unit size
25108         reduce.
25109
25110 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25111
25112         * config/m32c/bitops.md, config/m32c/jump.md,
25113         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
25114         config/m32r/m32r.h, config/m32r/m32r.md,
25115         config/m32r/predicates.md, config/m68hc11/larith.asm,
25116         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
25117         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
25118         config/mips/mips-protos.h, config/mips/mips.c,
25119         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
25120         config/mn10300/mn10300.h, config/mn10300/predicates.md,
25121         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
25122         spelling conventions.
25123
25124         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
25125         Follow spelling conventions.
25126
25127 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
25128
25129         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
25130         warn about C++0x compatibility.
25131
25132 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
25133
25134         * config/h8300/h8300.c, config/h8300/h8300.h,
25135         config/h8300/h8300.md: Follow spelling conventions.
25136
25137 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
25138
25139         PR middle-end/30667
25140         * combine.c (try_combine): Do not substitute source operand
25141         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
25142
25143 2007-02-03  Jan Hubicka  <jh@suse.cz>
25144
25145         PR gcov-profile/30650
25146         * value-prof.c (stringop_block_profile): Fix handling of size counter;
25147         do not divide by zero for never executed counters.
25148         (tree_find_values_to_profile): Fix counters.
25149         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
25150
25151 2007-02-03  Ian Lance Taylor  <iant@google.com>
25152
25153         * lower-subreg.c (simple_move_operand): New static function,
25154         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
25155         operands.
25156         (simple_move): Call simple_move_operand.
25157         (find_decomposable_subregs): Add special handling of MEMs.
25158         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
25159         meaning of return value.  If we see a hard register, test whether
25160         it can store a word_mode value.  Change all callers.
25161
25162 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25163
25164         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
25165         ftrapv insns and expanders.
25166         (subdi3): Change define_expand operand 1 to arith11_operand, and
25167         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
25168         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
25169         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
25170         respectively.
25171
25172         PR middle-end/30174
25173         * varasm.c (notice_global_symbol): Treat global objects as weak when
25174         flag_shlib is true.
25175
25176 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25177
25178         * emit-rtl.c (dconstpi): Delete.
25179         (dconstsqrt2): New.
25180         (init_emit_once): Delete dconstpi and init dconstsqrt2.
25181         * real.h (dconstpi): Delete.
25182         (dconstsqrt2): New.
25183         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
25184         (fold_builtin_hypot): Likewise.
25185
25186 2007-02-03  Tom Tromey  <tromey@redhat.com>
25187
25188         PR driver/30246
25189         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
25190         -gcoff3, -gxcoff3, -gvms3 implies -dD.
25191
25192 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
25193
25194         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
25195         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
25196         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
25197         config/rs6000/cell.md, config/rs6000/darwin.h,
25198         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
25199         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
25200         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
25201         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
25202         typos.  Follow spelling conventions.
25203         * doc/invoke.texi: Follow spelling conventions.
25204
25205 2007-02-03  Roger Sayle  <roger@eyesopen.com>
25206
25207         * simplify-rtx.c (simplify_relational_operation_1): Implement some
25208         canonicalization transformations that attempt to simplify integer
25209         constant comparisons to become comparisons against zero.
25210
25211 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25212
25213         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
25214         fabs(x)*sqrt(2).
25215         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
25216         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
25217
25218 2007-02-02  Mike Stump  <mrs@apple.com>
25219
25220         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
25221         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
25222         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
25223         generate a branch island.
25224
25225 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
25226
25227         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
25228         (xtensa_legitimate_address_p): New.
25229         (xtensa_legitimize_address): New.
25230         (xtensa_output_addr_const_extra): New.
25231         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
25232         (BASE_REG_P): New.
25233         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
25234         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
25235         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
25236         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
25237         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
25238         (xtensa_legitimize_address): New.
25239         (xtensa_output_addr_const_extra): New.
25240
25241 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
25242
25243         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
25244
25245 2007-02-02  Ian Lance Taylor  <iant@google.com>
25246
25247         * expmed.c (expand_divmod): Add comment.
25248
25249 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
25250
25251         * emit-rtl.c (renumber_insns): Remove.
25252         * flags.h: Remove the extern for flag_renumber_insns.
25253         * rtl.h: Remove the prototype for renumber_insns.
25254         * toplev.c (flag_renumber_insns): Remove.
25255
25256 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
25257
25258         Revert for x86 darwin:
25259         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
25260
25261         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
25262         code before the following patch under TARGET_MACHO.
25263         (ix86_function_value_regno_p): Likewise.
25264
25265 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25266
25267         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
25268         COMPLEX_EXPR.
25269
25270 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25271
25272         PR target/29682
25273         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
25274         loads to general or fp registers.  Add comments.
25275         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
25276
25277 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
25278
25279         * pointer-set.c (insert_aux): Only return insertion slot.
25280         (pointer_set_insert): Adjust.
25281         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
25282         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
25283         pointer_map_traverse): New.
25284         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
25285         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
25286         pointer_map_contains, pointer_map_traverse): Declare.
25287
25288 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
25289
25290         PR middle-end/30473
25291         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
25292         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
25293
25294 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
25295
25296         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
25297
25298         (struct _dep): New type.
25299         (dep_t): New typedef.
25300         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
25301         (DEP_STATUS): New access macro.  The macro with the same name was
25302         renamed to DEP_LINK_STATUS.
25303         (dep_init): Declare function
25304
25305         (struct _dep_link): New type.
25306         (dep_link_t): New typedef.
25307         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
25308         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
25309         (DEP_LINK_STATUS): New macro.
25310         (debug_dep_links): New debug function.
25311
25312         (struct _deps_list): New type.
25313         (deps_list_t): New typedef.
25314         (DEPS_LIST_FIRST): New access macro.
25315         (FOR_EACH_DEP_LINK): New cycle macro.
25316         (create_deps_list, free_deps_list, delete_deps_list): Declare
25317         functions.
25318         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
25319         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
25320         (copy_deps_list_change_con): Ditto.
25321
25322         (move_dep_link): Declare function.
25323
25324         (struct _dep_node): New type.
25325         (dep_node_t): New typedef.
25326         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
25327
25328         (struct haifa_insn_data.back_deps): New field to hold backward
25329         dependencies of the insn.
25330         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
25331         to deps_list_t.
25332         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
25333         Change its type to deps_list_t.
25334         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
25335         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
25336         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
25337
25338         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
25339
25340         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
25341
25342         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
25343         and all callers.
25344         (dep_cost): Declare.
25345
25346         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
25347         (ds_to_dk, dk_to_ds): New functions.
25348
25349         (init_dep_1): New static function.
25350         (init_dep): New function.
25351         (copy_dep): New static function.
25352
25353         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
25354         functions.
25355         (detach_dep_link): New static function.
25356         (move_dep_link): New function.
25357
25358         (dep_links_consistent_p, dump_dep_links): New static functions.
25359         (debug_dep_links): New debugging function.
25360
25361         (deps_obstack, dl_obstack, dn_obstack): New static variables.
25362
25363         (alloc_deps_list, init_deps_list): New static functions.
25364         (create_deps_list): New function.
25365         (clear_deps_list): New static function.
25366         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
25367         (deps_list_consistent_p, dump_deps_list): New static functions.
25368         (debug_deps_list): New function.
25369         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
25370         functions.
25371         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
25372
25373         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
25374         use new scheduler dependencies lists.
25375         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
25376         (sched_analyze): Ditto.  Initialize dependencies lists.
25377         (add_forw_dep, compute_forward_dependences): Update to use new
25378         scheduler dependencies lists.
25379
25380         (init_dependency_caches): Init deps_obstack.
25381         (free_dependency_caches): Free deps_obstack.
25382
25383         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
25384         new scheduler dependencies lists.
25385         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
25386         (add_back_forw_dep, delete_back_forw_dep): Ditto.
25387
25388         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
25389         Update to use new scheduler dependencies lists.
25390         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
25391         (debug_dependencies): Ditto.
25392         (schedule_region): Update comments.
25393
25394         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
25395         scheduler dependencies lists.
25396         (schedule_ebb): Update comments.
25397
25398         * rtl.def (DEPS_LIST): Remove.
25399
25400         * lists.c (unused_deps_list): Remove.
25401         (free_list): Update assertions.
25402
25403         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
25404         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25405
25406         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
25407         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
25408
25409         * haifa-sched.c (comments): Update.
25410         (insn_cost1): Remove.  Inline the code into insn_cost ().
25411         (insn_cost): Update to use new scheduler dependencies lists.  Move
25412         processing of the dependency cost to dep_cost ().
25413         (dep_cost): New function.  Use it instead of insn_cost () when
25414         evaluating cost of the dependency.  Use compatible interface to
25415         interact with the target.
25416         (priority): Update to use new scheduler dependencies lists.
25417         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
25418         with greater number of insns that depend on the insn.
25419         (schedule_insn): Update to use new scheduler dependencies lists.  Add
25420         code to free backward dependencies lists.  Inline and optimize code
25421         from resolve_dep () - see PR28071.
25422         (ok_for_early_queue_removal): Update to use new scheduler dependencies
25423         lists.  Update call to targetm.sched.is_costly_dependence hook.
25424
25425         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
25426         scheduler dependencies lists.
25427
25428         (resolve_dep): Remove.  Move the logic to schedule_insn ().
25429         (init_h_i_d): Initialize dependencies lists.
25430
25431         (process_insn_depend_be_in_spec): Rename to
25432         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
25433         dependencies lists.
25434         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
25435         Update to use new scheduler dependencies lists.
25436         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
25437
25438         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
25439         new scheduler dependencies lists.
25440         (build_intra_loop_deps): Ditto.
25441
25442         * target.h (struct _dep): Declare to use in
25443         gcc_target.sched.is_costly_dependence.
25444         (struct gcc_target.sched.adjust_cost): Fix typo.
25445         (struct gcc_target.sched.is_costly_dependence): Change signature to
25446         use single dep_t parameter instead of an equivalent triad.
25447         (struct gcc_target.sched.adjust_cost_2): Remove.
25448
25449         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
25450
25451         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
25452
25453         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
25454         documentation.
25455         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
25456
25457         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
25458         (REG_DEP_TRUE): Document.
25459
25460         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
25461         Change signature to correspond to the targetm.sched.adjust_cost hook.
25462         Update use in TARGET_SCHED_ADJUST_COST_2.
25463         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
25464         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
25465         new scheduler dependencies lists.
25466         (ia64_gen_check): Ditto.
25467
25468         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
25469         scheduler dependencies lists.
25470
25471         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
25472         signature to correspond to the targetm.sched.is_costly_dependence hook.
25473         (is_costly_group): Update to use new scheduler dependencies lists.
25474
25475         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
25476         instead of INSN_COST () macro.
25477
25478 2007-02-01  Ian Lance Taylor  <iant@google.com>
25479
25480         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
25481
25482 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
25483
25484         * pa.md (tp_load): Correct mfctl instruction syntax.
25485
25486 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
25487
25488         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
25489         altivec_padding_size calculation on AIX.  Improve comment, add
25490         assert to verify that it's right.
25491
25492         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
25493         64-bit.
25494
25495 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
25496
25497         PR inline-asm/28686
25498         * global.c (global_alloc): Add mising initialization of
25499         ELIMINABLE_REGSET.
25500
25501 2007-02-01  Roger Sayle  <roger@eyesopen.com>
25502
25503         * alias.c (init_alias_analysis): Correct whitespace.
25504         * bb-reorder.c (fix_edges_for_rarely_executed_code,
25505         partition_hot_cold_basic_blocks): Likewise.
25506         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
25507         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
25508         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
25509         fold_builtin_snprintf_chk, fold_builtin_printf,
25510         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
25511         do_mpfr_arg3, do_mpfr_sincos): Likewise.
25512         * cfgcleanup.c (cleanup_cfg): Likewise.
25513         * cfgexpand.c (tree_expand_cfg): Likewise.
25514         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
25515         * function.c (get_next_funcdef_no): Likewise.
25516         * gengtype.c (main): Likewise.
25517         * genmodes.c (main): Likewise.
25518         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
25519         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
25520         * ifcvt.c (noce_emit_move_insn): Likewise.
25521         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
25522         Likewise.
25523         * stor-layout.c (get_best_mode): Likewise.
25524         * tree-ssa-loop-niter.c (get_val_for): Likewise.
25525         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
25526         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
25527         perform_var_substitution, solve_graph): Likewise.
25528         * tree-vrp.c (vrp_finalize): Likewise.
25529
25530 2007-02-01  Ian Lance Taylor  <iant@google.com>
25531
25532         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
25533         high part of a paradoxical subreg, return a constant zero.
25534
25535 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
25536
25537         * toplev.c (lang_dependent_init): Call init_set_costs.
25538         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
25539
25540 2007-02-01  Richard Guenther  <rguenther@suse.de>
25541
25542         PR middle-end/30656
25543         * fold-const.c (fold_negate_expr): Allow negating a
25544         constant if overflow does not change.
25545
25546 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25547
25548         * doc/c-tree.texi (Expression trees): Improve markup.
25549         * doc/tm.texi (Register Classes, Addressing Modes)
25550         (Floating Point): Fix spacing after abbreviations.  Fix some
25551         typos.
25552
25553 2007-02-01  Ben Elliston  <bje@au.ibm.com>
25554
25555         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
25556         * doc/contrib.texi: Likewise.
25557         * doc/install.texi: Likewise.
25558
25559 2007-01-31  Richard Henderson  <rth@redhat.com>
25560             Ian Lance Taylor  <iant@google.com>
25561
25562         * lower-subreg.c: New file.
25563         * rtl.def (CONCATN): Define.
25564         * passes.c (init_optimization_passes): Add pass_lower_subreg and
25565         pass_lower_subreg2.
25566         * emit-rtl.c (update_reg_offset): New static function, broken out
25567         of gen_rtx_REG_offset.
25568         (gen_rtx_REG_offset): Call update_reg_offset.
25569         (gen_reg_rtx_offset): New function.
25570         * regclass.c: Revert patch of 2006-03-05, restoring
25571         reg_scan_update.
25572         (clear_reg_info_regno): New function.
25573         * dwarf2out.c (concatn_loc_descriptor): New static function.
25574         (loc_descriptor): Handle CONCATN.
25575         * common.opt (fsplit_wide_types): New option.
25576         * opts.c (decode_options): Set flag_split_wide_types when
25577         optimizing.
25578         * timevar.def (TV_LOWER_SUBREG): Define.
25579         * rtl.h (gen_reg_rtx_offset): Declare.
25580         (reg_scan_update): Declare.
25581         * regs.h (clear_reg_info_regno): Declare.
25582         * tree-pass.h (pass_lower_subreg): Declare.
25583         (pass_lower_subreg2): Declare.
25584         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
25585         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
25586         -fsplit-wide-types.
25587         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
25588         * Makefile.in (OBJS-common): Add lower-subreg.o.
25589         (lower-subreg.o): New target.
25590
25591 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25592
25593         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
25594
25595 2007-01-31  Anatoly Sokolov <aesok@post.ru>
25596
25597         PR target/19087
25598         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
25599
25600 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
25601
25602         PR middle-end/29335
25603         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
25604
25605 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
25606
25607         * cfgloop.h: Include vec-prim.h.
25608         (enum li_flags): Remove LI_ONLY_OLD.
25609         (loop_iterator): Changed.
25610         (fel_next, fel_init): Iterate over loop tree.
25611         (FOR_EACH_LOOP_BREAK): New macro.
25612         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
25613         FOR_EACH_LOOP.
25614         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
25615         * modulo-sched.c (sms_schedule): Ditto.
25616         * tree-vectorizer.c (vectorize_loops): Ditto.
25617         * doc/loop.texi: Update information on loop numbering and behavior of
25618         FOR_EACH_LOOP wrto new loops.
25619         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
25620         add_to_evolution_1): Test nestedness of loops instead of comparing
25621         their numbers.
25622         * tree-chrec.c (chrec_fold_plus_poly_poly,
25623         chrec_fold_multiply_poly_poly, chrec_evaluate,
25624         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
25625         reset_evolution_in_loop): Ditto.
25626         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
25627
25628 2007-01-31  Dirk Mueller  <dmueller@suse.de>
25629
25630         * c-common.c (warn_about_parentheses): Separate warning about
25631         un-parenthized sequence of comparison operators from the one
25632         which is supposed to warn about x <= y <= z.
25633
25634 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
25635
25636         * optabs.h (enum optab_index): Add new OTI_isinf.
25637         (isinf_optab): Define corresponding macro.
25638         * optabs.c (init_optabs): Initialize isinf_optab.
25639         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
25640         patterns.
25641         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
25642         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
25643         using isinf_optab.
25644         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
25645         expand_builtin_interclass_mathfn.
25646         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
25647         * config/i386/i386.md (UNSPEC_FXAM): New constant.
25648         (fxam<mode>2_i387): New insn pattern.
25649         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
25650         built-in functions as x87 inline asm.
25651
25652 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25653
25654         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
25655
25656 2007-01-30  Eric Christopher  <echristo@apple.com>
25657
25658         * config.gcc: Add geode.
25659
25660 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
25661
25662         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
25663         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
25664         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
25665         value-prof.c: Fix comment typos.
25666
25667 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25668
25669         PR c++/24745
25670         * doc/invoke.texi (Wpointer-arith): Document warning.
25671
25672 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
25673
25674         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
25675         the list of discrepancies from the draft TR.
25676
25677 2007-01-30  Dirk Mueller  <dmueller@suse.de>
25678
25679         PR c++/30601
25680         * doc/invoke.texi (-Wreturn-type): Update description to
25681         match new behavior.
25682
25683 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
25684
25685         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
25686
25687 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
25688
25689         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
25690         to handle optabs that operate on floating point input argument and
25691         output to integer output.
25692         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
25693         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
25694         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
25695         expand_builtin_interclass_mathfn ().
25696         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
25697         (ilogbsi2): Remove.
25698         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
25699         ilogbl built-in functions as x87 intrinsics.
25700
25701 2007-01-30  Richard Guenther  <rguenther@suse.de>
25702
25703         PR middle-end/27657
25704         * dwarf2out.c (reference_to_unused): Query varpool if the
25705         variable was output.
25706
25707 2007-01-30  Richard Guenther  <rguenther@suse.de>
25708
25709         PR middle-end/30313
25710         * passes.c (execute_one_pass): Reset in_gimple_form to not
25711         confuse non-unit-at-a-time mode.
25712
25713 2007-01-29  Roger Sayle  <roger@eyesopen.com>
25714             Richard Guenther  <rguenther@suse.de>
25715
25716         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
25717         avoid undefined behaviour on overflow.  Use force_fit_type_double
25718         to construct the constant with the specified TREE_OVERFLOW.
25719
25720 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25721
25722         * config/dfp-bit.c: Add parameterized support for fp exceptions.
25723         * config/dfp-bit.h: Ditto.
25724
25725 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25726
25727         * c-decl.c (pop_scope): Replace warnings with call to
25728         warn_for_unused_label.
25729         * c-common.h (warn_for_unused_label): Declare.
25730         * c-common.c (warn_for_unused_label): Define.
25731
25732 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
25733
25734         * tree-optimize.c (update_inlined_to_pointers): Delete unused
25735         function.
25736
25737 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
25738
25739         * Makefile.in (USER_H): Remove decfloat.h.
25740         * ginclude/decfloat.h: Delete, moving contents to ...
25741         * ginclude/float.h: Add support for decimal floating point,
25742         guarded by __STDC_WANT_DEC_FP__.
25743
25744 2007-01-29  Mike Stump  <mrs@apple.com>
25745
25746         * doc/gccint.texi (Top): Rename Loop Representation to Loop
25747         Analysis and Representation to resolve case insensitive conflict.
25748         * doc/loop.texi (Loop Analysis and Representation): Likewise.
25749
25750 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
25751
25752         * tree.h (struct tree_memory_tag): Add aliases member.
25753         (MTAG_ALIASES): New macro.
25754         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
25755         (add_may_alias): Remove pointer-set. Update for may_aliases being
25756         a bitmap.
25757         (mark_aliases_call_clobbered): Update for may_aliases being a
25758         bitmap.
25759         (compute_tag_properties): Ditto.
25760         (create_partition_for): Ditto.
25761         (compute_memory_partitions): Ditto.
25762         (dump_may_aliases_for): Ditto.
25763         (is_aliased_with): Ditto.
25764         (add_may_alias_for_new_tag): Ditto.
25765         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
25766         (compute_is_aliased): New function.
25767         (compute_may_aliases): Call compute_is_aliased).
25768         (init_alias_info): Initialize alias_bitmap_obstack.
25769         (union_alias_set_into): New function.
25770         (compute_flow_sensitive_aliasing): Use union_aliases_into.
25771         (have_common_aliases_p): Rewrite to take two bitmaps and use
25772         intersection.
25773         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
25774         Update for bitmaps.
25775         (finalize_ref_all_pointers): Update for add_may_alias changes.
25776         (new_type_alias): Ditto.
25777         * tree-flow-inline.h (may_aliases): Return a bitmap.
25778         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
25779         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
25780         may_aliases being a bitmap.
25781         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
25782         may_aliases now returns a bitmap.
25783         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
25784         being a bitmap.
25785         * tree-ssa-operands.c (add_virtual_operand): Update for
25786         may_aliases being a bitmap.
25787
25788 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
25789
25790         PR tree-optimization/30630
25791         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
25792         variable as changed.
25793
25794 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
25795
25796         PR c++/28266
25797         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
25798         expanded only once even if an error occurs.
25799
25800 2007-01-29  Ben Elliston  <bje@au.ibm.com>
25801
25802         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
25803         (__gcov_average_profiler): Likewise.
25804         (__gcov_ior_profiler): Likewise.
25805         (__gcov_merge_ior): Likewise.
25806
25807 2007-01-28  Jan Hubicka  <jh@suse.cz>
25808
25809         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
25810         * value-prof.c (stringop_block_profile): Likewise.
25811
25812 2007-01-28  Jan Hubicka  <jh@suse.cz>
25813
25814         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
25815         Add variant handling histograms; add wrapper.
25816         (clear_storage_via_libcall): Export.
25817         (emit_block_move_hints): Break out from ...; add histograms.
25818         (emit_block_move): ... this one.
25819         (clear_storage_hints): Break out from ...; add histograms.
25820         (clear_storage): ... this one.
25821         (set_storage_via_memset): Handle histogram.
25822         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
25823         (clear_storage_hints, clear_storage_via_libcall): Declare.
25824         (set_storage_via_setmem): Update prototype.
25825         * doc/md.texi (movmem, setmem): Document new arguments.
25826
25827         * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
25828         Add new histograms.
25829         (stringop_block_profile): New global function.
25830         (tree_stringops_values_to_profile): Profile block size and alignment.
25831         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
25832         HIST_TYPE_IOR.
25833         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
25834         (stringop_block_profile): Declare.
25835         * builtins.c: Include value-prof.h.
25836         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
25837         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
25838         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
25839         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
25840         * profile.c (instrument_values): Add new counters.
25841         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
25842         calls.
25843         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
25844         (tree_init_edge_profiler): Build new profilers.
25845         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
25846         (pass_tree_profile): Add dump.
25847         (tree_profile_hooks): Update.
25848         * Makefile.in (LIBGCOV): Add new constants.
25849         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
25850         __gcov_ior_profiler): New.
25851         * i386.md (movmem/setmem expanders): Add new optional arguments.
25852
25853 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
25854
25855         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
25856
25857 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25858
25859         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
25860         (tree_unswitch_single_loop): Pass eni_size_weights to
25861         tree_num_loop_insns.
25862         * tree-ssa-loop-manip.c: Include tree-inline.h.
25863         (can_unroll_loop_p): Pass eni_size_weights to
25864         tree_num_loop_insns.
25865         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
25866         Pass eni_size_weights to estimate_num_insns.
25867         * tree.h (init_inline_once): Export.
25868         * toplev.c (backend_init): Call init_inline_once.
25869         * cgraphunit.c (cgraph_process_new_functions,
25870         cgraph_analyze_function): Pass eni_inlining_weights to
25871         estimate_num_insns.
25872         * ipa-inline.c (compute_inline_parameters): Ditto.
25873         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
25874         to estimate_num_insns.
25875         (try_unroll_loop_completely): Pass eni_size_weights to
25876         tree_num_loop_insns.
25877         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
25878         ot estimate_num_insns.
25879         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
25880         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
25881         * tree-inline.c (eni_inlining_weights, eni_size_weights,
25882         eni_time_weights): New variables.
25883         (init_inline_once): Initialize them.
25884         (struct eni_data): Mew.
25885         (estimate_num_insns_1, estimate_num_insns): Use weights.
25886         * tree-inline.h (struct eni_weights_d): New.
25887         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
25888         (estimate_num_insns): Declaration changed.
25889         * cfgloop.h (tree_num_loop_insns): Declaration changed.
25890         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
25891         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
25892
25893 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
25894
25895         * tree-data-ref.c (conflict_fn): Assert that the number of affine
25896         relations in the conflict function is valid.
25897
25898 2007-01-27  Ian Lance Taylor  <iant@google.com>
25899
25900         * common.opt: Add fstrict-overflow.
25901         * opts.c (decode_options): Set flag_strict_overflow if -O2.
25902         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
25903         (TYPE_OVERFLOW_UNDEFINED): Define.
25904         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
25905         Replace all uses.
25906         * tree.h (TYPE_TRAP_SIGNED): Don't define.
25907         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
25908         (fold_negate_expr): Likewise.
25909         (make_range): Likewise.
25910         (extract_muldiv_1): Likewise.
25911         (maybe_canonicalize_comparison): Likewise.
25912         (fold_comparison): Likewise.
25913         (fold_binary): Likewise.
25914         (tree_expr_nonnegative_p): Likewise.
25915         (tree_expr_nonzero_p): Likewise.
25916         * tree-vrp.c (compare_values): Likewise.
25917         (extract_range_from_binary_expr): Likewise.
25918         (extract_range_from_unary_expr): Likewise.
25919         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
25920         Likewise.
25921         (nowrap_type_p): Likewise.
25922         * tree-scalar-evolution.c (simple_iv): Likewise.
25923         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
25924         (build_range_check): Likewise.
25925         (extract_muldiv_1): Likewise.
25926         (fold_comparison): Likewise.
25927         * tree-vrp.c (vrp_int_const_binop): Likewise.
25928         (extract_range_from_unary_expr): Likewise.
25929         * convert.c (convert_to_integer): Likewise.
25930         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
25931         (fold_comparison): Likewise.
25932         (fold_binary): Likewise.
25933         * optabs.c (optab_for_tree_code): Likewise.
25934         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
25935         * simplify-rtx.c (simplify_const_relational_operation): Check
25936         flag_strict_overflow and flag_trapv.
25937         (simplify_const_relational_operation): Likewise.
25938         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
25939         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
25940         -fstrict-overflow.
25941
25942 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25943
25944         * tree.c (tree_fold_gcd): Delete.
25945         * tree.h (tree_fold_gcd): Remove prototype.
25946         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
25947         test whether one constant integer is a multiple of another.  Instead
25948         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
25949         * fold-const.c (multiple_of_p): We've determined both TOP and
25950         BOTTOM are integer constants so we can call int_const_binop directly
25951         instead of the more generic const_binop.
25952
25953 2007-01-27  Roger Sayle  <roger@eyesopen.com>
25954
25955         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
25956         1*X check that the constant hasn't overflowed, to preserve the
25957         TREE_OVERFLOW bit.
25958         (round_up): Provide an efficient implementation when rouding-up an
25959         INTEGER_CST to a power-of-two.
25960
25961 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
25962
25963         * doc/sourcebuild.texi: Add comma for clarity.
25964         * doc/extend.texi: Fix some typos.
25965         * doc/passes.texi: Likewise.
25966         * doc/cppinternals.texi: Likewise.
25967         * doc/c-tree.texi: Likewise.
25968         * doc/tree-ssa.texi: Likewise.
25969         * doc/install.texi: Likewise.
25970
25971 2007-01-27  Jan Hubicka  <jh@suse.cz>
25972
25973         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
25974         (pass_sra): Do not require alias information.
25975         * passes.c (init_optimization_passes): Add SRA
25976
25977 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
25978
25979         * tracer.c (rest_of_handle_tracer): We already cleaned
25980         up the CFG in tracer() so don't do it here again.
25981         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
25982         cleanup_cfg here, either.  And don't call renumber_insns.
25983
25984         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
25985         and BB_HEAD are in the insn stream here.  Instead make sure
25986         that BB_INSN is valid on all insns.  Also, do check here that
25987         there are no pending branch predictions...
25988         (rtl_verify_flow_info): ...instead of doing it here.  Checks
25989         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
25990         here.
25991
25992 2007-01-26  Roger Sayle  <roger@eyesopen.com>
25993
25994         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
25995         function to simplify/factorize operand order canonicalization.
25996         (ix86_fixup_binary_operands): Reorganize using the above function.
25997         (ix86_binary_operator_ok): Likewise.
25998
25999 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
26000
26001         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
26002         file scope from optimize_attrs.
26003         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
26004         up search.
26005         (optimize_attrs): Clear insn_code_values after freeing it.
26006
26007 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26008
26009         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
26010         a parts.base assignment.
26011
26012 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
26013
26014         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
26015         (compute_subscript_distance, initialize_data_dependence_relation,
26016         finalize_ddr_dependent, analyze_ziv_subscript,
26017         analyze_siv_subscript_cst_affine,
26018         compute_overlap_steps_for_affine_univar,
26019         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
26020         analyze_siv_subscript, analyze_miv_subscript,
26021         analyze_overlapping_iterations, subscript_dependence_tester_1,
26022         compute_self_dependence, free_dependence_relation): Work
26023         with affine_fn instead of chrecs.
26024         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
26025         common_affine_function, affine_function_base,
26026         affine_function_constant_p, affine_fn_op, affine_fn_plus,
26027         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
26028         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
26029         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
26030         (all_chrecs_equal_p): Removed.
26031         * tree-data-ref.h (affine_fn, conflict_function): New types.
26032         (struct subscript): Change type of conflicting_iterations_in_a
26033         and conflicting_iterations_in_b.
26034
26035 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
26036
26037         PR other/30182
26038         * config/pa/pa.h (TARGET_HPUX_11): New.
26039         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
26040         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
26041
26042 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
26043         Richard Guenther  <rguenther@suse.de>
26044
26045         * tree-ssa-structalias.c (solve_graph): Handle case
26046         we merged the variable to another.
26047
26048 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26049
26050         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
26051         functions.
26052
26053         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
26054         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
26055
26056 2007-01-25  DJ Delorie  <dj@redhat.com>
26057
26058         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
26059         allow changes to modes which don't fit in those registers.
26060
26061         * reload1.c (choose_reload_regs): Check for invalid subregs before
26062         computing their locations, not after.
26063
26064 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
26065
26066         PR 25127
26067         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
26068         save Altivec registers in an eh_return function.
26069         (compute_vrsave_mask): Likewise.
26070         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
26071         for saving Altivec registers.
26072         (rs6000_emit_prologue): Don't allocate stack twice in
26073         eh_return function.  Correct expected value of altivec_save_offset
26074         when using save_world.  Describe save of R0 to stack when using
26075         save_world.  Describe stack pointer adjustment when using
26076         save_world.  Remove duplicated eh_return parameter register saving.
26077         Update sp_offset variable after save_world.
26078         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
26079         darwin-world.asm.
26080         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
26081         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
26082         implies Altivec.
26083
26084 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26085
26086         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
26087
26088 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
26089
26090         PR other/30182
26091         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
26092         * config/ia64/ia64.c (ia64_init_builtins): Ditto.
26093
26094 2007-01-25  Richard Guenther  <rguenther@suse.de>
26095
26096         * doc/invoke.texi (-Wcoverage-mismatch): Document.
26097         * common.opt (-Wcoverage-mismatch): New warning option.
26098         * coverage.c (get_coverage_counts): Ignore coverage mismatch
26099         if -Wcoverage-mismatch is given.
26100
26101 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
26102
26103         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
26104         (ipcp_driver): Change to static definition.
26105         Add dumping of the ifunctions.
26106         (constant_val_insert): Remove unused parameter. Support for SSA.
26107         (ipcp_propagate_const): Support for SSA.
26108         (ipcp_profile_bb_print): Print only analyzed nodes.
26109         (ipcp_replace_map_create): Remove support for Fortran constant
26110         for now.
26111         * ipa-prop.c (ipa_method_modify_stmt,
26112         ipa_callsite_compute_param): Support for SSA.
26113         * ipa-prop.h (ipcp_driver): Remove declaration.
26114         (IS_VALID_TREE_MAP_INDEX): Add define.
26115
26116 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
26117
26118         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
26119
26120 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26121
26122         PR middle-end/30447
26123         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
26124         constant argument to cabs and do it without checking for
26125         -funsafe-math-optimizations.
26126
26127 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
26128
26129         * c-common.h (RID_FIRST_CXX0X): New.
26130         (RID_LAST_CXX0X): New.
26131         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
26132         by -Wall.
26133         * c.opt (Wc++0x-compat): New.
26134         * doc/invoke.texi (-Wc++0x-compat): Document.
26135
26136 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26137
26138         * builtins.c (fold_builtin_carg): New.
26139         (fold_builtin_1): Use it.
26140
26141 2007-01-24  Jan Hubicka  <jh@suse.cz>
26142
26143         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
26144
26145         * ipa-inline.c (initial_insns, max_insns): Delete.
26146         (compute_max_insns): New function.
26147         (cgraph_decide_inlining_of_small_function): Use it; take minimal
26148         amount of insns as base for code growth.
26149         (cgraph_decide_inlining): Make initial_insns local; do not compute
26150         max_insns.
26151         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
26152         * doc/invoke.texi (inline-unit-growth): Update docs.
26153
26154 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
26155
26156         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
26157         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
26158         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
26159         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
26160         for CPUs that have PTA_CX16 set.
26161
26162         PR middle-end/27416
26163         * gimplify.c (omp_check_private): New function.
26164         (gimplify_scan_omp_clauses): Use it for
26165         firstprivate/lastprivate/reduction.
26166
26167         PR middle-end/30494
26168         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
26169         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
26170
26171         PR middle-end/30421
26172         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
26173         If lower_lastprivate_clauses emits some statements, append them
26174         to dlist rather than body_p and to body_p append an initializer.
26175         (lower_omp_for): Adjust caller.
26176
26177 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
26178
26179         * target.h (globalize_decl_name): New.
26180         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26181         * output.h (default_globalize_decl_name): New.
26182         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
26183         globalize_label.
26184         (globalize_decl): Ditto.
26185         (default_globalize_decl_name): New.
26186         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
26187         (ia64_handle_version_id_attribute): New.
26188         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
26189         (ia64_asm_output_external): Use globalize_decl_name instead
26190         of globalize_label.
26191         * doc/extend.texi (version_id): New pragma.
26192         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
26193
26194 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26195
26196         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
26197         _uleb128_t and _Unwind_SWord with _sleb128_t.
26198         * unwind-dw2.c (extract_cie_info, execute_stack_op,
26199         execute_cfa_program, uw_frame_state_for, uw_update_context_1):
26200         Likewise.
26201         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
26202         * unwind-pe.h (read_uleb128, read_sleb128,
26203         read_encoded_value_with_base): Likewise.
26204         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
26205
26206 2007-01-24  Richard Guenther  <rguenther@suse.de>
26207
26208         * builtins.c (expand_builtin_cexpi): Get the fndecl
26209         for cexp in the correct way.
26210
26211 2007-01-24  Jan Hubicka  <jh@suse.cz>
26212
26213         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
26214         of calls.
26215
26216 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
26217
26218         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
26219         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
26220         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
26221         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
26222         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
26223         __SIZEOF_PTRDIFF_T__.
26224         * doc/cpp.texi: Documentation for the new builtin macros added.
26225
26226 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
26227
26228         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
26229         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
26230         instead of operands[2] to avoid access past the end of array.
26231
26232 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
26233
26234         * reload1.c (emit_reload_insns): Pass the reload register
26235         for a non-spill output reload through forget_old_reloads_1.
26236
26237 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
26238
26239         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
26240         _SOFT_DOUBLE if doubles use software floating-point.
26241         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
26242         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26243         * config/rs6000/darwin-ldouble.c: Also compile functions for
26244         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
26245         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
26246         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
26247         commented-out long double override.
26248         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
26249         * config/rs6000/eabispe.h: Likewise.
26250         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
26251         long double for non-SPE.
26252         (rs6000_handle_option): Likewise.
26253         (invalid_e500_subreg): Disallow more subregs involding DImode,
26254         DFmode, TImode or TFmode.
26255         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
26256         E500 double.
26257         (legitimate_lo_sum_address_p): Also check for TFmode for E500
26258         double.
26259         (rs6000_legitimize_address): Also handle TFmode for E500 double.
26260         (rs6000_legitimize_reload_address): Also handle TFmode for E500
26261         double.
26262         (rs6000_legitimate_address): Also check for TFmode for E500
26263         double.
26264         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
26265         (spe_build_register_parallel): Handle TFmode and TCmode.
26266         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
26267         double.
26268         (function_arg): Handle TFmode and TCmode for E500 double.
26269         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
26270         in general.
26271         (print_operand): Handle TFmode and TImode for %y.
26272         (rs6000_generate_compare): Handle TFmode comparisons for E500
26273         double.
26274         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
26275         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
26276         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
26277         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
26278         TFmode for E500 double.
26279         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
26280         (floatsidf2): Enable for E500 double.
26281         (movtf_softfloat): Use rs6000_nonimmediate_operand.
26282         (extenddftf2): Change to extenddftf2_fprs.
26283         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
26284         depending on TARGET_E500_DOUBLE.
26285         (extendsftf2): Enable for E500 double.
26286         (trunctfdf2): Enable for E500 double.
26287         (trunctfsf2): Change to trunctfsf2_fprs.
26288         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
26289         depending on TARGET_E500_DOUBLE.
26290         (floatsitf2): Enable for E500 double.
26291         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
26292         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
26293         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
26294         (negtf2): Change to negtf2_internal.
26295         (negtf2): New expander.
26296         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
26297         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
26298         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
26299         (movdi_internal32): Use rs6000_nonimmediate_operand.
26300         (unnamed splitter): Likewise.
26301         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
26302         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
26303         (SPE64TF, DITI): New mode macros.
26304         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
26305         modes.
26306         (frob_tf_ti): New.
26307         (frob_<mode>_di_2): New.
26308         (frob_tf_di_8_2): New.
26309         (frob_di_df): Change to frob_di_<mode>; allow more modes.
26310         (frob_ti_tf): New.
26311         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
26312         more modes.
26313         (frob_ti_<mode>_8_2): New.
26314         (frob_ti_tf_2): New.
26315         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
26316         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
26317         TFmode.
26318         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
26319         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
26320         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
26321         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
26322         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
26323         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
26324         tsttflt_gp): New.
26325
26326 2007-01-23  Ian Lance Taylor  <iant@google.com>
26327
26328         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
26329         insn-*.o first.
26330         (OBJS-archive): Reformat, alphabetize.
26331         (OBJS): Change out_object_file to OBJS-md.
26332
26333 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
26334
26335         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
26336         JUMP_P and CALL_P predicates where applicable.
26337         * config/i386/i386.c: Ditto.
26338         * config/i386/i386.md: Ditto.
26339         * config/i386/mmx.md: Ditto.
26340         * config/i386/predicates.md: Ditto.
26341
26342 2007-01-22  Andreas Schwab  <schwab@suse.de>
26343
26344         * config/m68k/m68k.h: Fix comment.
26345
26346 2007-01-22  Jan Hubicka  <jh@suse.cz>
26347
26348         * passes.c (init_optimization_passes): Do not rerun
26349         pass_early_warn_uninitialized.
26350
26351 2007-01-22  Richard Guenther  <rguenther@suse.de>
26352
26353         PR tree-optimization/30038
26354         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
26355         function.
26356         (execute_cse_sincos_1): Likewise.
26357         (execute_cse_sincos): Likewise.
26358         (gate_cse_sincos): Likewise.
26359         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
26360         the cexpi() canonicalization of sincos().
26361         * tree-pass.h (pass_cse_sincos): Declare.
26362         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
26363
26364 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
26365
26366         PR rtl-optimization/29329
26367         * combine.c (replaced_rhs_insn): Rename to i2mod.
26368         (replaced_rhs_value): Rename to i2mod_new_rhs.
26369         (i2mod_old_rhs): New global variable.
26370         (combine_instructions): Adjust for above change.  Save a copy of
26371         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
26372         note are substituted in the second instruction.
26373         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
26374         ditch the note if it pertains to the second eliminated register
26375         and this register is mentioned in i2mod_old_rhs.
26376
26377         Revert:
26378         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
26379
26380         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
26381         the insn to which the note was originally attached.
26382
26383 2007-01-21  Jan Hubicka  <jh@suse.cz>
26384
26385         * ipa-inline.c (inlining_mode): Comment, move up.
26386         (cgraph_decide_inlining_incrementally): Do not perform inlining
26387         itself; fix handling of flattening of self recursive functions.
26388         (cgraph_find_cycles): Remove.
26389         (cgraph_flatten_node): Remove.
26390         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
26391         (try_inline): New function.
26392         (cgraph_early_inlining): Update call of
26393         cgraph_decide_inlining_incrementally.  Apply inlining here.
26394         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
26395
26396 2007-01-21  Dirk Mueller  <dmueller@suse.de>
26397
26398         PR bootstrap/30511
26399         * tree-vrp.c (check_array_bounds): do not warn
26400         about ADDR_EXPR's of ARRAY_REF's which are immediately
26401         used in binary expressions.
26402
26403 2007-01-21  Ira Rosen  <irar@il.ibm.com>
26404
26405         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
26406         read_write_dep and macros for its access.
26407         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
26408         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
26409         argument, call vect_check_interleaving for every independent pair of
26410         data-refs. Mark loads that access the same memory location as a store
26411         in the loop.
26412         (vect_check_dependences): Remove.
26413         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
26414         call, fix the call to vect_analyze_data_ref_dependence.
26415         (vect_analyze_data_ref_access): For statements that access the same
26416         data-ref, check that they are not stores; for loads, check that there
26417         is no store that access the same location.
26418
26419 2007-01-20  Roger Sayle  <roger@eyesopen.com>
26420             Joseph Myers  <joseph@codesourcery.com>
26421
26422         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
26423         (-fdump-rtl-stack): Likewise.
26424         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
26425         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
26426         (-mpt-fixed): Use @minus{} for minus sign.
26427         (Using Precompiled Headers): Fix under/overfull hbox.
26428
26429 2007-01-20  Jan Hubicka  <jh@suse.cz>
26430
26431         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
26432         place within annotation.
26433
26434 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
26435
26436         * pa.c (output_move_double): Change array size of xoperands to 4.
26437
26438 2007-01-20  Jan Hubicka  <jh@suse.cz>
26439
26440         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
26441         as temporary.
26442
26443 2007-01-19  Ian Lance Taylor  <iant@google.com>
26444
26445         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
26446         constant to unsigned HOST_WIDE_INT before negating.
26447
26448 2007-01-19  Ian Lance Taylor  <iant@google.com>
26449
26450         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
26451         to unsigned.
26452         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
26453         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26454         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
26455         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
26456         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
26457         (realloc_vdef, realloc_vuse): Change second parameter to
26458         unsigned.
26459         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
26460         fields to unsigned.
26461         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
26462         unsigned. Change x and lim locals to unsigned.
26463         (realloc_vdef, realloc_vuse): Change num_elem parameter to
26464         unsigned.
26465         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
26466         (copy_virtual_operands): Change i and n locals to unsigned.
26467
26468 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
26469
26470         PR middle-end/29335
26471         * builtins.c (fold_builtin_1): Handle builtin fdim.
26472
26473 2007-01-20  Jan Hubicka  <jh@suse.cz>
26474
26475         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
26476         * tree-ssa-structalias.c (compute_points_to_sets): Do call
26477         init_alias_heapvars.
26478         (init_alias_heapvars): Initialize only when not already initialized.
26479         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
26480
26481 2007-01-19  Roger Sayle  <roger@eyesopen.com>
26482
26483         * common.opt (fsigned-zeros): New command line option.
26484         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
26485         of flag_unsafe_math_optimizations.
26486         * opts.c (set_fast_math_flags): The -ffast-math command line option
26487         implies -fno-signed-zeros.
26488         (fast_math_flags_set_p): Likewise.
26489
26490         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
26491         the documentation of -ffast-math appropriately.  Wrap long lines.
26492
26493 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
26494
26495         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
26496         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
26497
26498 2007-01-19  Tomas Bily  <tbily@suse.cz>
26499
26500         * cgraphunit.c (cgraph_finalize_function): Updating of pid
26501         * tree-profile.c:
26502         (tree_init_ic_make_global_vars): New function
26503         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
26504         (tree_gen_ic_profiler): New function
26505         (tree_gen_ic_func_profiler): New function
26506         (tree_profiling): Added calling of tree_gen_ic_func_profiler
26507         (tree_profile_hooks): Added hook for indirec/virtual calls
26508         * value-prof.c (tree_find_values_to_profile): New case for
26509         indirect calls
26510         (tree_values_to_profile): Call for determining indirect/virtual
26511         counters
26512         (tree_indirect_call_to_profile): New function
26513         (tree_ic_transform): New function
26514         (tree_ic): New function
26515         (find_func_by_pid): New function
26516         (init_pid_map): New function
26517         (tree_value_profile_transformations): Added check for
26518         indirect/virtual call transformation
26519         * value-prof.h (enum hist_type): New counter type for
26520         indirect/virtual calls
26521         (profile_hooks): Added new hook for profiling indirect/virtual
26522         calls
26523         * profile.c (instrument_values): New case for indirect/virtual
26524         call added
26525         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
26526         (GCOV_COUNTER_V_INDIR): New counter type
26527         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
26528         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
26529         call added
26530         * cgraph.c: Definition of cgraph_max_pid
26531         (cgraph_create_node): Default init of pid attribute
26532         * cgraph.h: Declaration of cgraph_max_pid
26533         (struct cgraph_node): Added pid attribute
26534         * libgcov.c (__gcov_indirect_call_profiler): New function
26535         (__gcov_one_value_profiler_body): New function
26536         (__gcov_one_value_profiler): Body was moved to
26537         __gcov_one_value_profiler_body and calls it
26538
26539 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
26540
26541         * doc/gty.texi (Options): Document the mark_hook option to GTY.
26542         * gengtype.c (write_types_data, write_func_for_structure,
26543         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
26544         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
26545         (walk_type, write_func_for_structure): Generate the mark_hook if
26546         needed.
26547
26548 2007-01-19  Jan Hubicka  <jh@suse.cz>
26549
26550         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
26551         'early' argument take inlining mode argument specifying whether to
26552         inline for size/speeed or all functions; add support for flattening;
26553         improve dumpting.
26554         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
26555
26556 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
26557
26558         PR c++/17947
26559         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
26560         the name of the declared identifier.
26561
26562 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26563
26564         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
26565         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
26566         duplicate evaluation.
26567
26568 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26569
26570         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
26571         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
26572         to XFMode, use acosxf2 and truncate result to requested mode.
26573         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
26574         (asin<mode>2): Similarly, with asin expanders.
26575         (*fscalexf4_i387): Rename from *fscalexf4.
26576         (expNcorexf3): New expander.
26577         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
26578         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
26579         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
26580         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
26581         patterns for SSE math.
26582         (exp10<mode>2): Similarly, with exp10 expanders.
26583         (exp2<mode>2): Similarly, with exp2 expanders.
26584         (expm1<mode>2): Similarly, with expm1 expanders.
26585         (ldexp<mode>3): Similarly, with ldexp expanders.
26586         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
26587         Use gen_truncxf<mode>2_i387_noop to truncate result.
26588
26589 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26590
26591         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
26592         for ColdFire targets.
26593
26594 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
26595             Richard Sandiford  <richard@codesourcery.com>
26596
26597         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
26598         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
26599         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
26600         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
26601         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26602         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
26603
26604 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26605
26606         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
26607         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
26608         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
26609         (*adddi_dilshr32_cf): New pattern.
26610         (adddi3, subdi3): Remove first alternatives.
26611
26612 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26613
26614         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
26615         implemented using move.l, do not use its cc result for floating-point
26616         comparisons.
26617
26618 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26619
26620         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
26621         from accepting 's' constraints if flag_pic.
26622
26623 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26624
26625         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
26626         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
26627         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
26628         condition from TARGET_68881 to TARGET_HARD_FLOAT.
26629
26630 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
26631
26632         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
26633         ColdFire alternatives.
26634         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
26635         * config/m68k/m68k.md (clzsi2): Define for ColdFire
26636         architectures that support ff1 instruction.
26637
26638 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26639             Julian Brown  <julian@codesourcery.com>
26640
26641         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
26642         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
26643         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
26644         Add commentary.
26645
26646 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
26647
26648         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
26649         and return a bool.
26650         (output_move_const_into_data_reg, output_move_simode_const): Delete.
26651         * config/m68k/m68k.c (const_method, const_int_cost): Take a
26652         HOST_WIDE_INT instead of an rtx.
26653         (m68k_rtx_costs): Update call accordingly.
26654         (output_move_const_into_data_reg): Likewise.  Fix formatting.
26655         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
26656         Return a bool.
26657         (output_move_simode_const): Update calls after above changes.
26658         Rework to use automatic variables and predicates like MEM_P.
26659         * config/m68k/m68k.md (pushexthisi_const): Update call to
26660         valid_mov3q_const.
26661
26662 2007-01-19  Dirk Mueller  <dmueller@suse.de>
26663
26664         * tree-ssa-alias.c (perform_var_substitution): Fix typo
26665         in dump_flags test.
26666
26667 2007-01-19  Richard Guenther  <rguenther@suse.de>
26668
26669         * builtins.c (expand_builtin_cexpi): Fall back to expanding
26670         via cexp in case sincos is not available.
26671
26672 2007-01-19  Richard Guenther  <rguenther@suse.de>
26673
26674         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
26675         * defaults.h (TARGET_HAS_SINCOS): Default to off.
26676         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
26677         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
26678         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
26679         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
26680         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
26681         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
26682
26683 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
26684
26685         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
26686         New insn patterns.
26687         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
26688         (atan2xf3): Directly generate RTL pattern.
26689         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
26690         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26691         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26692         disable patterns for SSE math.
26693         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
26694         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
26695         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
26696         disable patterns for SSE math.
26697
26698 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
26699
26700         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
26701
26702 2007-01-18  Roger Sayle  <roger@eyesopen.com>
26703
26704         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
26705         VIEW_CONVERT_EXPR to the same type as it's operand.
26706
26707 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
26708
26709         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
26710         configured for long double 128.
26711
26712 2007-01-18  Mike Stump  <mrs@apple.com>
26713
26714         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
26715         error.
26716
26717 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
26718
26719         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
26720         type correct.
26721
26722 2007-01-18  Jan Hubicka  <jh@suse.cz>
26723
26724         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
26725         greater than NUM_VOP_FREE_BUCKETS.
26726
26727 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
26728
26729         * tree-ssa-structalias.c: Update comments.
26730         (ptabitmap_obstack): Removed.
26731         (pta_obstack): New.
26732         (oldpta_obstack): Ditto.
26733         (stats): Add a few members.
26734         (struct variable_info): Remove node, complex, address_taken, and
26735         indirect_target members. Add oldsolution member.
26736         (new_var_info): Do not initialize removed members.
26737         (constraint_expr_type): Remove INCLUDES.
26738         (constraint_graph): Add size, implicit_preds, rep,
26739         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
26740         (FIRST_REF_NODE): New macro.
26741         (LAST_REF_NODE): Ditto.
26742         (FIRST_ADDR_NODE): Ditto.
26743         (find): New function.
26744         (unite): Ditto.
26745         (dump_constraint): Do not handle INCLUDES.
26746         (insert_into_complex): Do not insert duplicate constraints.
26747         (condense_varmap_nodes): Renamed and rewritten into ...
26748         (merge_node_constraints): This. Also fix bug in handling of
26749         offseted copy constraints.
26750         (clear_edges_for_node): No longer need to deal with preds at all,
26751         or removing associated preds/succs.
26752         (merge_graph_nodes): Deal with indirect_cycles.
26753         Don't deal with predecessors.
26754         (add_implicit_graph_edge): New function.
26755         (add_pred_graph_edge): Ditto.
26756         (add_graph_edge): Don't deal with predecessors.
26757         (build_constraint_graph): Removed.
26758         (build_pred_graph): New function.
26759         (build_succ_graph): Ditto.
26760         (struct scc_info): Removed in_component. Added roots, dfs, and
26761         node_mapping. Remove visited_index, unification_queue.
26762         (scc_visit): Deal with union-find we do now.
26763         Deal with cycles with REF nodes.
26764         (collapse_nodes): Renamed and rewritten to ...
26765         (unify_nodes): This.
26766         (process_unification_queue): Removed.
26767         (topo_visit): Cleanup
26768         (do_da_constraint): Use find.
26769         (do_sd_constraint): Ditto.
26770         (do_ds_constraint): Ditto.
26771         (do_complex_constraint): Ditto.
26772         (init_scc_info): Update for removed and added members.
26773         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
26774         (find_indirect_cycles): This.
26775         (equivalence_class): New variable.
26776         (label_visit): New function.
26777         (perform_variable_substitution): Rewritten.
26778         (free_var_substitution_info): New function.
26779         (find_equivalent_node): Ditto.
26780         (move_complex_constraints): Ditto.
26781         (eliminate_indirect_cycles): Ditto.
26782         (solve_graph): Only propagate changed bits.
26783         Use indirect cycle elimination.
26784         Use find.
26785         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
26786         (tree_id_eq): Renamed to ...
26787         (tree_vi_eq): This. Update for member change
26788         (insert_id_for_tree): Renamed and rewritten to ...
26789         (insert_vi_for_tree): This.
26790         (lookup_id_for_tree): Renamed and rewritten to ...
26791         (lookup_vi_for_tree): This.
26792         (get_id_for_tree): Renamed and rewritten to ...
26793         (get_vi_for_tree): Ditto.
26794         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
26795         (process_constraint): Don't handle INCLUDES.
26796         Remove special ADDRESSOF case.
26797         (find_func_aliases): Rewrite to use vi functions instead of id
26798         ones.
26799         (create_function_info_for): Ditto.
26800         (create_variable_info_for): Ditto.
26801         (intra_create_variable_infos): Ditto.
26802         (merge_smts_into): Ditto.
26803         (find_what_p_points_to): Ditto.
26804         (init_base_vars): Ditto.
26805         (init_alias_vars): Ditto.
26806         (remove_preds_and_fake_succs): New function.
26807         (dump_sa_points_to_info): Dump new stats.
26808         (dump_solution_for_var): Use find.
26809         (set_used_smts): Fix formatting.
26810         (compute_points_to_sets): Updated for new functions.
26811         (ipa_pta_execute): Ditto.
26812
26813 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26814             Richard Sandiford  <richard@codesourcery.com>
26815
26816         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
26817         parallels.
26818         * calls.c (expand_call): If the return value is a PARALLEL,
26819         extract its first member.
26820         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
26821         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26822         use FUNCTION_EXTRA_EPILOGUE.
26823         (m68k_function_value): Return a PARALLEL if the return value
26824         is of a pointer type.
26825         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
26826         (FUNCTION_EXTRA_EPILOGUE): Remove.
26827         * config/m68k/m68k.md (D0_REG): New constant.
26828
26829 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26830
26831         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
26832         output a NOP for empty epilogues.
26833
26834 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26835
26836         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
26837         before function.  Extend register save check to include all
26838         registers, not just integer ones.
26839
26840 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26841
26842         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
26843         (m68k_use_return_insn): ...this.
26844         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
26845         * config/m68k/m68k.c (use_return_insn): Rename to...
26846         (m68k_use_return_insn): ...this.
26847         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
26848         of USE_RETURN_INSN.
26849
26850 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26851
26852         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
26853         nearest even, fix denormal rounding overflow.
26854
26855 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26856
26857         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
26858         f%$smove and f%$move.
26859         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
26860         (extendsfdf2_cf): Use fdmove instead of f%&move.
26861         (truncdfsf2_cf): Use fsmove instead of f%$smove.
26862         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
26863
26864 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26865
26866         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
26867         GPR<-GPR moves.
26868
26869 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26870
26871         * real.h (real_format): Add a canonical_nan_lsbs_set field.
26872         (coldfire_single_format): Declare.
26873         (coldfire_double_format): Likewise.
26874         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
26875         of qnan_msb_set to determine the lower bits of a canonical
26876         NaN significand.
26877         (encode_ieee_double): Likewise.
26878         (encode_ieee_quad): Likewise.
26879         (ieee_single_format): Initialize canonical_nan_lsbs_set.
26880         (mips_single_format): Likewise.
26881         (ieee_double_format): Likewise.
26882         (mips_double_format): Likewise.
26883         (ieee_extended_motorola_format): Likewise.
26884         (ieee_extended_intel_96_format): Likewise.
26885         (ieee_extended_intel_128_format): Likewise.
26886         (ieee_extended_intel_96_round_53_format): Likewise.
26887         (ibm_extended_format): Likewise.
26888         (mips_extended_format): Likewise.
26889         (ieee_quad_format): Likewise.
26890         (mips_quad_format): Likewise.
26891         (vax_f_format): Likewise.
26892         (vax_d_format): Likewise.
26893         (vax_g_format): Likewise.
26894         (i370_single_format): Likewise.
26895         (i370_double_format): Likewise.
26896         (decimal_single_format): Likewise.
26897         (decimal_double_format): Likewise.
26898         (decimal_quad_format): Likewise.
26899         (c4x_single_format): Likewise.
26900         (c4x_extended_format): Likewise.
26901         (real_internal_format): Likewise.
26902         (coldfire_single_format): New real_format.
26903         (coldfire_double_format): Likewise.
26904         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
26905         canonical_nan_lsbs_set.
26906         (pdp11_d_format): Likewise.
26907         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
26908         if TARGET_COLDFIRE_CPU.
26909
26910 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26911
26912         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
26913         (output_call, m68k_legitimize_call_address): Declare.
26914         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
26915         parenthesees.  Add support for a 'W' constraint.
26916         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
26917         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
26918         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
26919         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
26920         variables.
26921         (override_options): Initialize them.  Do not set flag_no_function_cse
26922         for TARGET_ID_SHARED_LIBRARY.
26923         (m68k_output_pic_call): Delete.
26924         (m68k_legitimize_call_address): New function.
26925         (print_operand): Remove the %o prefix.  Handle the %p prefix.
26926         (output_call): New function.
26927         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
26928         target address from the GOT if symbolic jumps are not allowed.
26929         * config/m68k/m68k.md (call, general_operand): Do not set
26930         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
26931         Merge separate flag_pic and !flag_pic define_insns into...
26932         (*call, *call_value): ...these new patterns.  Match the address
26933         rather than the containing MEM and require it to be a call_operand.
26934         Use output_call to generate the asm template.
26935         * config/m68k/predicates.md (const_call_operand): New predicate.
26936         (call_operand): Likewise.
26937
26938 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26939
26940         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
26941         (STACK_GROWS_DOWNWARD): Define to 1.
26942         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
26943         comments, emphasizing that these values are only defaults.
26944         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
26945         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
26946
26947 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26948
26949         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
26950
26951 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
26952             Richard Sandiford  <richard@codesourcery.com>
26953
26954         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
26955         (FP_REGNO_P): New macros.
26956         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
26957         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
26958         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
26959         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
26960
26961 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26962
26963         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26964         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
26965         to $tmake_file.
26966         * config/m68k/t-floatlib: New file, extracting common code from...
26967         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
26968         * config/m68k/t-uclinux: Here.
26969         * config/m68k/fpgnulib.c: Do not compile extendeed precision
26970         routines on ColdFire targets.
26971
26972 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
26973
26974         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
26975         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
26976         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
26977         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
26978         explicitly set MOTOROLA to 1.
26979         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
26980
26981 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
26982             Nathan Sidwell  <nathan@codesourcery.com>
26983
26984         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
26985         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
26986         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
26987         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
26988         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
26989         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
26990         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
26991         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
26992         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
26993         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
26994         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
26995         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
26996         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
26997         (DBX_REGISTER_NUMBER): Delete.
26998         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
26999         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
27000         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
27001
27002 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27003
27004         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
27005         * config/flat.h: New file.
27006         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
27007         OBJECT_FORMAT_FLAT.
27008         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
27009         indirect references for -msep-data or -mid-shared-library.
27010         Do not use PC-relative code addresses either.
27011         * config/m68k/m68k.c (override_options): Restrict -fPIC error
27012         to -mpcrel.
27013         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
27014         for shared libraries and crt1.o for executables.  Use crti.o and
27015         crtbegin.o.
27016         (ENDFILE_SPEC): Use crtend.o and crtn.o.
27017         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
27018         Do not add -elf2flt or -shared-lib-id options here.
27019         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
27020         Pass -shared-lib-id if -mid-shared-library, taking the library
27021         identifier from -mshared-library-id if given, otherwise
27022         defaulting to 0.
27023         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
27024         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
27025         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
27026         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
27027         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
27028         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
27029         and crtend.o.
27030         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
27031         jump sequence for ISA A and ISA A+.
27032         (PICJUMP): Likewise.
27033
27034 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27035
27036         * config.gcc (m68k-*-uclinux*): Base the port on the common
27037         and m68k GNU/Linux files rather than on the generic ELF ones.
27038         * config/m68k/uclinux.h (TARGET_VERSION): Override.
27039         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
27040
27041 2007-01-18  Julian Brown  <julian@codesourcery.com>
27042             Richard Sandiford  <richard@codesourcery.com>
27043
27044         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
27045         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27046         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
27047         before redefining.
27048         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
27049         80 unconditionally.
27050         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
27051
27052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
27053
27054         * doc/install.texi: Document m68k-uclinuxoldabi.
27055         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
27056         * config/m68k/uclinux-oldabi.h: New file, copied from
27057         config/m68k/uclinux.h.
27058
27059 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
27060
27061         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
27062         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
27063         (m32r_compute_frame_size): Use unsigned for regno.
27064         (m32r_reload_lr): Use gen_frame_mem.
27065         (pop): New.
27066         (m32r_output_function_epilogue): Don't output the function epilogue
27067         textually here.
27068         (m32r_expand_epilogue): New.
27069         (direct_return): Return false if the function has the interrupt
27070         attribute.
27071         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
27072         * config/m32r/m32r.md (epilogue): New expander.
27073         (return_lr, return_rte): New insns.
27074         (return): Make it expander.
27075         (return_normal): New expander.
27076
27077 2007-01-18  Josh Conner  <jconner@apple.com>
27078
27079         PR target/30485
27080         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
27081         support for UNLE, UNLT, UNGE, and UNGT.
27082
27083 2007-01-18  Jan Hubicka  <jh@suse.cz>
27084
27085         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
27086         * tree-tailcall (add_virtual_phis): Likewise.
27087         (optimize_tail_call): Return TODOs.
27088         (execute_tail_calls): Return TODOs.
27089         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
27090         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
27091         changed.
27092         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
27093         Cleanup cfg using TODO.
27094         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
27095         * passes.c (execute_function_todo): When cleanup did something, remove
27096         unused locals.
27097         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
27098         (make_edges): Don't cleanup_cfg.
27099
27100 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
27101
27102         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
27103         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
27104         operate on the top of stack.
27105         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
27106         register handling of instructions that output to the second
27107         stack slot.
27108         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
27109         (move_for_stack_reg): Special-case check for dead destination
27110         stack slot for constant load of 1.0 inside UNSPEC_TAN.
27111
27112         * config/i386/i386.md (UNSPEC_TAN): New constant.
27113         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
27114         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
27115         to correctly model move of constant 1.0 to top stack slot.
27116         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
27117         (unnamed peephole2 pattern): Remove corresponding peephole2
27118         pattern that optimizes tan insn and loading of constant 1.0.
27119         (tanxf2): Use fptanxf4_i387.
27120         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
27121         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
27122         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
27123         disable patterns for SSE math.
27124         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
27125         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
27126
27127 2007-01-18  Dirk Mueller  <dmueller@suse.de>
27128             Richard Guenther <rguenther@suse.de>
27129
27130         PR diagnostic/8268
27131         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
27132         * common.opt (Warray-bounds): Add new warning option.
27133         * c-opts.c (c_common_handle_option): Define -Warray-bounds
27134         if -Wall is given.
27135         * Makefile.in: make tree-vrp.o depend on toplev.h
27136         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
27137         is enabled.
27138         (check_array_refs, check_array_bounds, check_array_ref): New.
27139
27140 2007-01-18  Jan Hubicka  <jh@suse.cz>
27141
27142         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
27143         (execute_ssa_ccp): Return flags conditionally.
27144         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
27145         changed.
27146         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
27147
27148 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
27149
27150         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
27151         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
27152
27153         * Makefile.c (GTFILES): Add cfglayout.h.
27154         * gengtype.c (open_base_files): Likewise.
27155         * cfglayout.c (cfg_layout_function_footer,
27156         cfg_layout_function_header) Reindent to make gengtype happy.
27157         * cfglayout.h (cfg_layout_function_footer,
27158         cfg_layout_function_header): Add GTY(()) marker.
27159
27160         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
27161
27162 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27163
27164         * genautomata.c (write_automata): Include xstrerror output in the
27165         error message if writing the DFA description file fails.
27166
27167 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
27168
27169         * config/mips/mips-protos.h (mips_output_external): Make it
27170         return void.
27171         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
27172         * config/mips/mips.c (irix_output_external_libcall): Likewise.
27173         (extern_list): Likewise.
27174         (extern_head): Likewise.
27175         (TARGET_ASM_FILE_END): Likewise.
27176         (mips_file_end): Likewise.
27177         (mips_output_external): Rewritten.
27178
27179 2007-01-18  Ben Elliston  <bje@au.ibm.com>
27180
27181         * genpreds.c (write_insn_preds_c): Only write out the function
27182         body for regclass_for_constraint if we have register constraints.
27183
27184 2007-01-17  Tom Tromey  <tromey@redhat.com>
27185
27186         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
27187         * doc/install.texi (Testing): Use sourceware.org.
27188         (Binaries): Likewise.
27189         (Specific): Likewise.
27190         * doc/contrib.texi (Contributors): Use sourceware.org.
27191
27192 2007-01-17  Anatoly Sokolov <aesok@post.ru>
27193
27194         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
27195         (AVR_ENHANCED): Rename to ...
27196         (AVR_HAVE_MUL): ... new.
27197         (avr_enhanced_p): Rename to ...
27198         (avr_have_mul_p): ... new.
27199         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
27200         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
27201         * config/avr/avr.c (avr_enhanced_p): Rename to ...
27202         (avr_have_mul_p): ... new.
27203         (base_arch_s): Rename 'enhanced' to 'have_mul'.
27204         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
27205         'avr_enhanced_p' and 'enhanced'.
27206         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
27207         AVR_HAVE_MUL instead of AVR_ENHANCED.
27208         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27209         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
27210         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
27211         instead of AVR_ENHANCED.
27212         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
27213         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
27214         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
27215
27216 2007-01-17  Ian Lance Taylor  <iant@google.com>
27217
27218         * vec.h (VEC_reserve_exact): Define.
27219         (vec_gc_p_reserve_exact): Declare.
27220         (vec_gc_o_reserve_exact): Declare.
27221         (vec_heap_p_reserve_exact): Declare.
27222         (vec_heap_o_reserve_exact): Declare.
27223         (VEC_OP (T,A,reserve_exact)): New static inline function, three
27224         versions.
27225         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
27226         negative parameter.
27227         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
27228         (VEC_OP (T,A,copy)) [all versions]: Likewise.
27229         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
27230         * vec.c (calculate_allocation): Add exact parameter.  Change all
27231         callers.
27232         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
27233         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
27234         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
27235         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
27236         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
27237         (vec_heap_p_reserve_exact): New function.
27238         (vec_heap_o_reserve_exact): New function.
27239
27240 2007-01-17  Jan Hubicka  <jh@suse.cz>
27241
27242         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
27243
27244 2007-01-17  Eric Christopher  <echristo@apple.com>
27245
27246         * config.gcc: Support core2 processor.
27247
27248 2007-01-16  Jan Hubicka  <jh@suse.cz>
27249
27250         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
27251         the names, just unlink the chain so we don't crash on dangling
27252         pointers
27253         to dead SSA names.
27254
27255 2007-01-16  Jan Hubicka  <jh@suse.cz>
27256
27257         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
27258         * tree-pass.h: Reorder to make IPA passes appear toegher.
27259         (pass_early_inline, pass_inline_parameters, pass_apply_inline):
27260         Declare.
27261         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
27262         parameters, do not call early inliner.
27263         * ipa-inline.c: Update comments.  Include tree-flow.h
27264         (cgraph_decide_inlining): Do not compute inlining parameters.
27265         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
27266         be called with function context set up.
27267         (pass_ipa_inline): Remove unreachable functions before pass.
27268         (cgraph_early_inlining): Simplify assuming to be called from the
27269         PM as local pass.
27270         (pass_early_inline): New pass.
27271         (cgraph_gate_ipa_early_inlining): New gate.
27272         (pass_ipa_early_inline): Turn into simple wrapper.
27273         (compute_inline_parameters): New function.
27274         (gate_inline_passes): New gate.
27275         (pass_inline_parameters): New pass.
27276         (apply_inline): Move here from tree-optimize.c
27277         (pass_apply_inline): New pass.
27278         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
27279         transforming.
27280         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
27281         doing them by hand.
27282         (tree_function_versioning): Do not allocate dummy struct function.
27283         * tree-inline.h (optimize_inline_calls): Update prototype.
27284         * tree-optimize.c (execute_fixup_cfg): Export.
27285         (pass_fixup_cfg): Remove
27286         (tree_rest_of_compilation): Do not apply inlines.
27287         * tree-flow.h (execute_fixup_cfg): Declare.
27288         * Makefile.in (gt-passes.c): New.
27289         * passes.c: Include gt-passes.h
27290         (init_optimization_passes): New passes.
27291         (nnodes, order): New static vars.
27292         (do_per_function_toporder): New function.
27293         (execute_one_pass): Dump current pass here.
27294         (execute_ipa_pass_list): Don't dump current pass here.
27295
27296 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
27297
27298         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
27299         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
27300
27301 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
27302
27303         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
27304         (strong_alias): Define.
27305         (__gcc_qmul): Provide non-FMA for soft-float.
27306         (__gcc_qdiv): Same.
27307         (__gcc_qneg): New.
27308         (__gcc_qeq): New.
27309         (__gcc_qle): New.
27310         (__gcc_qge): New.
27311         (__gcc_qunord): New.
27312         (__gcc_stoq): New.
27313         (__gcc_dtoq): New.
27314         (__gcc_qtos): New.
27315         (__gcc_qtod): New.
27316         (__gcc_qtoi): New.
27317         (__gcc_qtou): New.
27318         (__gcc_itoq): New.
27319         (__gcc_utoq): New.
27320         (fmsub): New.
27321         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
27322         soft-float functions.
27323         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
27324         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
27325         about long double soft float.
27326
27327 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
27328             Tehila Meyzels  <tehila@il.ibm.com>
27329
27330         * tree-vectorizer.h (is_pattern_stmt_p): New.
27331         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
27332         formatting (tabs instead of spaces). Cleanup and clarify setting
27333         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
27334         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
27335         (vectorizable_type_demotion): Check that types are integral.
27336         (vectorizable_type_promotion): Likewise.
27337         (vectorizable_store): Fix typo.  Eliminate new-line at end of
27338         comments.
27339
27340 2007-01-16  Jan Hubicka  <jh@suse.cz>
27341
27342         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
27343         cgraph edges too.
27344
27345 2007-01-15  Eric Christopher  <echristo@apple.com>
27346
27347         * ifcvt.c: Include vec.h, vecprim.h.
27348         (check_cond_move_block): New argument regs.
27349         Reorganize. Add registers used to regs.
27350         (cond_move_process_if_block): Use regs set above as
27351         loop bounds.
27352
27353 2007-01-15  Eric Christopher  <echristo@apple.com>
27354
27355         * config/darwin.h: Update copyright.
27356         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
27357         (LINK_COMMAND_SPEC): Add -u.
27358         (LINK_SPEC): Fix umbrella for above.
27359
27360 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
27361
27362         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
27363         glibc CVS.
27364
27365 2007-01-15  Tom Tromey  <tromey@redhat.com>
27366
27367         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
27368         * doc/install.texi (Testing): Don't mention jacks.
27369         (Configuration): Document --enable-java-maintainer-mode.  Move
27370         --with-java-home to libgcj-specific section.  Document
27371         --with-ecj-jar.
27372         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
27373
27374 2007-01-15  Jan Hubicka  <jh@suse.cz>
27375
27376         * tree-ssa-dce.c (DCE_TODOs): New.
27377         (propagate_necessity): Return if something changed.
27378         (eliminate_unnecessary_stmts): Likewise.
27379         (perform_tree_ssa_dce): Return TODO flags when needed.
27380         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
27381
27382 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
27383
27384         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
27385         (fyl2x_extend<mode>xf3_i387): New insn pattern.
27386         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
27387         patterns using X87MODEF12 mode macro.  Extend operand 1
27388         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
27389         (log10<mode>2): Ditto.
27390         (log2<mode>2): Ditto.
27391         (log1p<mode>2): Ditto.
27392         (logb<mode>2): Ditto.
27393         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
27394         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
27395         (*fxtractxf3_i387): Rename from *fxtractxf3.
27396         (fxtract_extend<mode>xf3_i387): New insn pattern.
27397         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
27398         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
27399         and gen_fyl2xxf3_i387().
27400
27401 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
27402
27403         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
27404         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
27405         get_loop_exit_edges.  Changed return type to bool.
27406         * cfgloop.h (fix_loop_placement): Declaration removed.
27407
27408 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
27409
27410         * param.h (MIN_VECT_LOOP_BOUND): New.
27411         * params.def (MIN_VECT_LOOP_BOUND): New.
27412         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
27413         argument - minimum threshold for number of iterations.
27414         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
27415         argument to declaration.
27416         * tree-vect-analyze.c (vect_analyze_operations): Check value of
27417         MIN_VECT_LOOP_BOUND.
27418         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
27419         slpeel_tree_peel_loop_to_edge with additional argument.
27420         (vect_do_peeling_for_alignment): Likewise.
27421         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
27422
27423 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
27424
27425         PR target/30413
27426         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
27427         operands of size 1.
27428
27429 2007-01-14  Jan Hubicka  <jh@suse.cz>
27430
27431         * tree-dfa.c (remove_referenced_var): New function.
27432         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
27433         prune referenced vars list too.
27434         * tree-flow.h (remove_referenced_var): Declare.
27435
27436 2007-01-14  Jan Hubicka  <jh@suse.cz>
27437
27438         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
27439         separately.
27440         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
27441         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
27442         * except.h (verify_eh_throw_table_statements): Kill prototype.
27443         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
27444         into call exrepssions.
27445         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
27446         eh trhow verifier.
27447         * tree-cfg.c: Include pointer-set.h.
27448         (verify_node_sharing): Work on pointer set.
27449         (verify_eh_throw_stmt_node): New.
27450         (verify_stmts): Use pointers sets, verify throw_stmt.
27451
27452 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
27453
27454         * ipa-reference.c (analyze_function): Consider also addresses taken
27455         in phi nodes.
27456
27457 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27458
27459         * c-typeck.c (null_pointer_constant_p): Replace use of
27460         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27461         (build_c_cast): Likewise.
27462
27463 2007-01-12  Roger Sayle  <roger@eyesopen.com>
27464
27465         * tree.h (force_fit_type_double): Remove unused final argument.
27466         * c-common.c (constant_expression_warning): Replace use of
27467         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27468         (convert_and_check): Likewise.
27469         (shorten_compare): Update call to force_fit_type_double.
27470         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
27471         * convert.c (convert_to_pointer): Update call to
27472         force_fit_type_double.
27473         * fold-const.c (force_fit_type_double): Remove overflowed_const
27474         argument.
27475         (int_const_binop, fold_convert_const_int_from_int,
27476         fold_convert_const_int_from_real, fold_div_compare,
27477         fold_sign_changed_comparison, fold_unary, fold_negate_const,
27478         fold_abs_const, fold_not_const): Remove the final argument from
27479         calls to force_fit_type_double.
27480
27481 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
27482
27483         * configure.ac: Set insn to "nop" for spu-*-* also.
27484         * configure: Regenerate.
27485
27486 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
27487
27488         * builtins.def : Add BUILT_IN_FREE.
27489
27490 2007-01-12  Jan Hubicka  <jh@suse.cz>
27491
27492         PR tree-optimization/30443
27493         * tree-inline.c (tree_function_versioning): Do not optimize when
27494         cloning for inlining.
27495
27496 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
27497
27498         * doc/loop.texi: Document recording of loop exits.
27499         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
27500         (update_single_exits_after_duplication,
27501         update_single_exit_for_duplicated_loop,
27502         update_single_exit_for_duplicated_loops): Removed.
27503         (duplicate_loop_to_header_edge): Do not call
27504         update_single_exits_after_duplication and
27505         update_single_exit_for_duplicated_loops.
27506         (loop_version): Do not update single_exit information.
27507         (fix_loop_structure): Use record_loop_exits instead of
27508         mark_single_exit_loops.
27509         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
27510         the lists of loop exits.
27511         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
27512         split_edge, merge_blocks): Update the lists of loop exits.
27513         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
27514         loop_optimizer_init.
27515         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
27516         of mark_single_exit_loops.
27517         (loop_optimizer_finalize): Call release_recorded_exits.
27518         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
27519         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
27520         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
27521         update single exit information.
27522         * lambda-code.c (perfect_nestify): Ditto.
27523         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
27524         (mark_single_exit_loops): Removed.
27525         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
27526         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
27527         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
27528         functions.
27529         (get_loop_exit_edges, single_exit): Use recorded exit lists.
27530         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
27531         (verify_loop_structure): Verify consistency of the exit lists.
27532         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
27533         (set_single_exit): Removed.
27534         * cfgloop.h (struct loop_exit): New function.
27535         (struct loop): single_exit_ field replaced by exits field.
27536         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
27537         LOOPS_HAVE_RECORDED_EXITS.
27538         (struct loops): Added exits hash.
27539         (mark_single_exit_loops, set_single_exit): Declaration removed.
27540         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
27541
27542 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27543
27544         * doc/invoke.texi: Avoid use of @headitem.
27545
27546 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27547
27548         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
27549
27550 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27551
27552         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
27553         list of targets.
27554
27555 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27556             Richard Sandiford  <richard@codesourcery.com>
27557
27558         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
27559         * config/m68k/m68k.opt: Resort options.
27560         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
27561
27562 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27563             Richard Sandiford  <richard@codesourcery.com>
27564
27565         * doc/invoke.texi: Document the macros that are defined by
27566         m68k's -mtune and -mhard-float options.
27567         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
27568         (m68k_cpp_cpu_family): Likewise.
27569         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
27570         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
27571         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
27572         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
27573         (m68k_cpp_cpu_family): Likewise.
27574
27575 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27576
27577         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
27578         macros besides mc68000 as tuning macros.  Use a switch statement
27579         to set them and mcpu32.
27580
27581 2007-01-12  Julian Brown  <julian@codesourcery.com>
27582
27583         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
27584         (TARGET_68040_ONLY): Rename to...
27585         (TARGET_68040): ...this.
27586         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
27587         * config/m68k/m68k.md: Likewise.
27588
27589 2007-01-12  Julian Brown  <julian@codesourcery.com>
27590             Nathan Sidwell  <nathan@codesourcery.com>
27591             Richard Sandiford  <richard@codesourcery.com>
27592
27593         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
27594         the -mcpu= argument associated with the --with-cpu setting.
27595         Define M68K_DEFAULT_TUNE to the default -mtune= option,
27596         if different from the one implied by the -mcpu setting.
27597         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
27598         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
27599         * doc/invoke.texi: Mention ColdFire in the introduction to the
27600         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
27601         -mno-div and -mhard-float options.  Make -m68881 a synonym for
27602         -mhard-float.  Document the previously-undocumented -m5206e,
27603         -m528x, -m5307 and -m5407 options.  Tweak the existing option
27604         documentation for consistency.
27605         * doc/install.texi: Mention new --with-cpu arguments.
27606         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
27607         default CPU if neither -mcpu nor -march are specified.
27608         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
27609         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
27610         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
27611         using m68k_tune to decide between families that implement the
27612         same ISA.  Use m68k_tune to set __mcfv4e__.
27613         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
27614         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
27615         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
27616         (FL_ISA_C, FL_ISA_MMU): New macros.
27617         (MASK_COLDFIRE): Delete.
27618         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
27619         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
27620         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
27621         (TARGET_HARD_FLOAT): Do not define here.
27622         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
27623         (TUNE_68000): New macro.
27624         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
27625         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
27626         (TUNE_CFV2): Redefine in terms of m68k_tune.
27627         (uarch_type, target_device, fpu_type): New enums.
27628         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
27629         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
27630         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
27631         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
27632         (FL_FOR_isa_c): New macros.
27633         (m68k_isa): New enum.
27634         (m68k_target_selection): New structure.
27635         (all_devices, all_isas, all_microarchs): New tables.
27636         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
27637         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
27638         (MASK_ALL_CPU_BITS): Delete.
27639         (m68k_find_selection): New function.
27640         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
27641         Map the legacy target options to a combination of the new ones.
27642         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
27643         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
27644         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
27645         settings.
27646         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
27647         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
27648         properties.
27649         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
27650         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
27651         * config/m68k/m68k-devices.def: New file.
27652
27653 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27654             Nathan Sidwell  <nathan@codesourcery.com>
27655
27656         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
27657         (SUBTARGET_EXTRA_SPECS): New macros.
27658         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
27659         use %(asm_cpu_spec) instead.
27660         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
27661         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
27662         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
27663         (EXTRA_SPECS): Rename to...
27664         (SUBTARGET_EXTRA_SPECS): ...this.
27665
27666 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
27667             Richard Sandiford  <richard@codesourcery.com>
27668             Julian Brown  <julian@codesourcery.com>
27669
27670         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
27671         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
27672         to the configuration's default CPU.
27673         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
27674         Remove default masks.
27675         (m680[012]0-*-*): Set the default with_cpu to the first part of
27676         the target name.
27677         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
27678         (m68k*-*-linux): Extend the --with-cpu handling to...
27679         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
27680         and m68010.  Don't set target_cpu_default2.
27681         * doc/install.texi: Document --with-cpu for m68k.
27682         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
27683         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
27684         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
27685         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
27686         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
27687         (ASM_SPEC): Remove use of %(asm_cpu_default).
27688         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
27689         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
27690         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
27691         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
27692         __HAVE_FPU__ if TARGET_HARD_FLOAT.
27693         (TARGET_DEFAULT): Delete.
27694         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
27695         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
27696         (CPP_CPU_SPEC): Delete.
27697         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
27698         the appropriate string.
27699         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
27700         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
27701         (ASM_SPEC): Don't use %(asm_default_spec).
27702         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
27703         TARGET_DEFAULT and add MASK_68881.
27704         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
27705
27706 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27707
27708         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
27709         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
27710         MASK_68010 alongside MASK_68020.
27711         * doc/invoke.texi: Document -m68010.
27712         * config/m68k/m68k.opt (m68010): New.
27713         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
27714         if TUNE_68010.
27715         (TUNE_68010): New macro.
27716         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
27717         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
27718         (M68K_CPU_m68332): Add MASK_68010.
27719         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
27720         fallback definition.
27721         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
27722         defines.
27723         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
27724         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
27725         to all entries that use MASK_68020.
27726         (output_move_simode_const, output_move_himode, output_move_qimode)
27727         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
27728         instead of TARGET_68020 to select clr behavior.  Remove comment
27729         about there being no TARGET_68010.
27730         * config/m68k/m68k.md: Likewise throughout.
27731
27732 2007-01-12  Julian Brown  <julian@codesourcery.com>
27733
27734         * config/m68k/m68k.h (TARGET_ISAB): New macro.
27735         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
27736         * config/m68k/m68k.md: Likewise.
27737
27738 2007-01-12  Julian Brown  <julian@codesourcery.com>
27739
27740         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
27741         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
27742
27743 2007-01-12  Julian Brown  <julian@codesourcery.com>
27744
27745         * config/m68k/m68k.h (TUNE_68040_60): New macro.
27746         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
27747         * config/m68k/m68k.md: Likewise.
27748
27749 2007-01-12  Julian Brown  <julian@codesourcery.com>
27750             Richard Sandiford  <richard@codesourcery.com>
27751
27752         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
27753         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
27754         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
27755         TARGET_CPU32.
27756         (TARGET_CPU32): Rename to...
27757         (TUNE_CPU32): ...this.
27758         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
27759         (TUNE_CFV2): New macros.
27760         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
27761         remove conditions that are implied by TARGET_68020.
27762         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
27763         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
27764         (m68k_output_function_epilogue): Likewise.
27765         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
27766         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
27767         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
27768         non-68000 timings.  Refactor multiplication and division costs.
27769         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
27770         TUNE_CPU32 instead of TARGET_CPU32.
27771         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
27772         and TUNE_68060 instead of TARGET_68060.
27773         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
27774         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
27775         TARGET_CPU32.
27776         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
27777         && !TARGET_COLDFIRE" to choose between moveq and clr.
27778         Likewise in the unnamed movsf pattern.
27779         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
27780         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
27781         ashiftrt pattern.
27782
27783 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
27784
27785         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
27786         of tabbing before backslashes.
27787
27788 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
27789
27790         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
27791         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
27792         (ASM_OUTPUT_INTERNAL_LABEL): Define.
27793
27794 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27795
27796         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
27797         find_interesting_uses_cond.
27798         (find_interesting_uses_cond): Use extract_cond_operands.
27799         (rewrite_use_compare): Use extract_cond_operands and
27800         force_gimple_operand_bsi.  Do not call update_stmt.
27801         (determine_use_iv_cost_condition): Use extract_cond_operands.
27802         Return cheaper of using original bound and changing the exit bound.
27803
27804 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
27805
27806         PR tree-optimization/29516
27807         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
27808         most_expensive_mult_to_index, addr_to_parts,
27809         create_mem_ref, maybe_fold_tmr): Make the type of
27810         fields of TARGET_MEM_REF sizetype.
27811         (move_fixed_address_to_symbol, move_pointer_to_base):
27812         New functions.
27813         * tree.def (TARGET_MEM_REF): Add comment on types of
27814         the operands.
27815
27816 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
27817
27818         * c-common.c (vector_types_convertible_p): Treat opaque types as
27819         always convertible if they have the same size, but not otherwise.
27820
27821 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
27822
27823         * ifcvt.c (struct noce_if_info): Add comments to the fields.
27824         Remove the b_unconditional field.
27825         (noce_try_sign_mask): Do not look at b_unconditional.
27826         (noce_process_if_block): Do not use merge_if_blocks.  Update
27827         the CFG here.  Do not set b_unconditional.
27828         (cond_move_process_if_block): Likewise.
27829         (find_cond_trap): Likewise.
27830         (check_cond_move_block): Require simple jump insns at the end
27831         of the basic block.
27832
27833 2007-01-11  Jan Hubicka  <jh@suse.cz>
27834
27835         PR tree-optimization/1046
27836         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
27837         when alias info is not ready.
27838         (pass_tail_recursion): Do not require aliasing.
27839         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
27840         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
27841         * tree-ssa-copy.c (pass_copy_prop): Likewise.
27842         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
27843         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
27844         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
27845         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
27846         before inlining.
27847         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
27848         When aliasing is not build, mark statement as volatile.
27849
27850 2007-01-11  Tom Tromey  <tromey@redhat.com>
27851
27852         PR preprocessor/15185, PR preprocessor/20989:
27853         * doc/cppopts.texi <-MT>: Update description of algorithm for
27854         computing default target.
27855         <-M, -MD>: Reword "basename" text.
27856
27857 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27858
27859         * builtins.c (expand_builtin_pow, expand_builtin_powi,
27860         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
27861         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
27862         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
27863         fold_builtin_bswap, real_constp, fold_builtin_pow,
27864         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
27865         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
27866         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
27867         * convert.c (convert_to_pointer): Likewise.
27868         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
27869         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
27870         const_binop, fold_convert_const_int_from_int,
27871         fold_convert_const_int_from_real,
27872         fold_convert_const_real_from_real, sign_bit_p,
27873         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
27874         fold_sign_changed_comparison, fold_unary, fold_comparison,
27875         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
27876         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
27877         * print-tree.c (print_node_brief, print_node): Likewise.
27878         * stor-layout.c (place_field, layout_type): Likewise.
27879         * tree-chrec.c (keep_cast): Likewise.
27880         * tree.c (build_vector, build_real, build_real_from_int_cst,
27881         build_complex): Likewise.
27882
27883 2007-01-11  Roger Sayle  <roger@eyesopen.com>
27884
27885         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
27886         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
27887
27888 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
27889
27890         * configure.ac (strict1_warn): Rename to strict_warn.
27891         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
27892         cc_set_by_configure, quoted_cc_set_by_configure,
27893         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
27894         all_boot_languages, all_stagestuff): Remove.
27895         (target_list): Remove bootstrap targets.
27896         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
27897         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
27898         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
27899         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
27900         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
27901         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
27902         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
27903         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
27904         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
27905         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
27906         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
27907         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
27908         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
27909         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
27910         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
27911         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
27912         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
27913         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
27914         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
27915         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
27916         (mostlyclean): Adjust.
27917         (clean, distclean): Don't mention bootstrap stuff.
27918         * configure: Regenerate.
27919         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
27920         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
27921         treelang/config-lang.in (stagestuff): Remove.
27922         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
27923         stageprofile, stagefeedback, stagestuff): Remove mention.
27924
27925 2007-01-11  Nick Clifton  <nickc@redhat.com>
27926
27927         * config/mcore/predicates.md (mcore_general_movesrc_operand):
27928         Accept CONSTs.
27929         (mcore_general_movdst_operand): Do not accept CONST_INTs.
27930         (mcore_arith_K_S_operand): Run the test for the S constraint not
27931         the test for the M constraint.
27932         (mcore_addsub_operand): Do not accept integer values that are
27933         larger than 32 bits.
27934         * config/mcore/mcore.md: Remove unused constraints from split.
27935         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
27936         (addsi3): Likewise.
27937         (allocate_stack): Likewise.
27938         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
27939         operands to 32 bits.
27940         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
27941         INTVAL.
27942         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
27943         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
27944         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
27945         mcore_output_bclri, mcore_output_andn, output_inline_const,
27946         mcore_output_move, mcore_output_movedouble): Likewise.
27947         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
27948         (output_inline_const): Likewise.
27949         (output_inline_const): Fix format strings used in sprintf
27950         statements.
27951         * config/mcore/mcore-protos.h: Update prototypes for changed
27952         functions in mcore.c.
27953         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
27954         HOST_WIDE_INT and not int.
27955         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
27956         CONST_OK_FOR_N): Likewise.
27957         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
27958         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
27959         an INTVAL.
27960
27961 2007-01-10  Jan Hubicka  <jh@suse.cz>
27962
27963         * tree-vrp.c (remove_range_assertions): Release defs.
27964         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
27965         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
27966
27967 2007-01-10  Paul Brook  <paul@codesourcery.com>
27968
27969         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
27970         * config/arm/arm.md (mulsi3subsi): New insn.
27971
27972 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
27973
27974         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
27975         (tree_transform_and_unroll_loop): New.
27976         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
27977         Declare.
27978
27979 2007-01-10  Robert Kennedy <jimbob@google.com>
27980
27981         * fold-const.c (fold_comparison): Fold comparisons like (x *
27982         1000 < 0) to (x < 0).
27983
27984 2007-01-10  Ian Lance Taylor  <iant@google.com>
27985
27986         * tree-pretty-print.c (dump_generic_node): Print parentheses when
27987         operands have the same priority.
27988
27989 2007-01-10  Tom Tromey  <tromey@redhat.com>
27990
27991         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
27992         (fold_binary): Likewise.
27993         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
27994         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
27995         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
27996         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
27997         * langhooks.h (struct lang_hooks): Removed field
27998         'can_use_bit_fields_p'.
27999
28000 2007-01-10  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28001
28002         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
28003
28004 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
28005
28006         * function.c (get_last_funcdef_no): New function.
28007         * function.h (get_last_funcdef_no): Declare.
28008         * tree-inline.c (initialize_cfun): Add initialization.
28009         (tree_function_versioning): Cleanup.
28010
28011 2007-01-10  Jan Hubicka  <jh@suse.cz>
28012
28013         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
28014         PHIs.
28015
28016 2007-01-10  Sa Liu  <saliu@de.ibm.com>
28017             Ben Elliston  <bje@au.ibm.com>
28018
28019         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
28020         for SAVE_NONLOCAL and Pmode for any other save level.
28021         * spu-protos.h (spu_restore_stack_block): Declare.
28022         * spu.md (save_stack_block): Remove.
28023         (restore_stack_block): Call spu_restore_stack_block.
28024         * spu.c (spu_restore_stack_block): New function.
28025         (spu_expand_epilogue): Remove old comment.
28026
28027 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
28028
28029         PR tree-optimization/30322
28030         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
28031         (cand_value_at): Return the value as aff_tree.
28032         (may_eliminate_iv): Convert the bound from aff_tree to tree.
28033         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
28034         aff_combination_mult): New functions.
28035         (aff_combination_add): Use aff_combination_add_cst.
28036         (aff_combination_convert): Allow conversions to a wider type.
28037         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
28038         * tree-affine.h (aff_combination_mult): Declare.
28039
28040 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
28041
28042         * doc/tm.texi: Update documentation to reflect reality of exec
28043         and start file search behaviours. Update copyright year.
28044         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
28045         header file directories.
28046
28047 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
28048
28049         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
28050         (*cosxf2): Rename to cosxf2_i387.
28051         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
28052         using X87MODEF12 mode macro. Rename patterns to
28053         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
28054         for SSE math.
28055         (*cosdf2, *cossf2): Ditto.
28056         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
28057         to match extended input operands.
28058         (sincos<mode>3): New expander.
28059         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
28060         insn patterns and corresponding splitters.
28061
28062 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
28063
28064         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
28065         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
28066
28067 2007-01-09  Nicolas Pitre  <nico@cam.org>
28068
28069         PR target/30173
28070         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
28071
28072 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28073
28074         * target.h (struct gcc_target): New field library_rtti_comdat.
28075         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
28076         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
28077         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
28078         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
28079
28080 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
28081
28082         * doc/invoke.texi (Optimize Options): Correct description of -O0.
28083
28084 2007-01-08  Richard Guenther  <rguenther@suse.de>
28085
28086         * tree.h (force_fit_type_double): Export.
28087         (force_fit_type): Remove.
28088         * fold-const.c (force_fit_type_double): New function.
28089         (force_fit_type): Remove.
28090         (int_const_binop): Use it.
28091         (fold_convert_const_int_from_int): Likewise.
28092         (fold_convert_const_int_from_real): Likewise.
28093         (fold_div_compare): Likewise.
28094         (fold_sign_changed_comparison): Likewise.
28095         (fold_unary): Likewise.
28096         (fold_negate_const): Likewise.
28097         (fold_abs_const): Likewise.
28098         (fold_not_const): Likewise.
28099         * c-common.c (shorten_compare): Use force_fit_type_double.
28100         * convert.c (convert_to_pointer): Likewise.
28101
28102 2007-01-08  Richard Guenther  <rguenther@suse.de>
28103
28104         * tree.h (build_int_cst_wide_type): Export.
28105         * tree.c (build_int_cst_wide_type): New function.
28106         (build_int_cst_wide): Fix comment.
28107         * builtins.c (fold_builtin_object_size): Use build_int_cst
28108         to build -1 or 0 of the correct type.  Use fit_double_type
28109         to check for overflow.
28110         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
28111         to build the mask.
28112         (decode_field_reference): Likewise.
28113         (all_ones_mask_p): Likewise.
28114         (native_interpret_int): Use build_int_cst_wide_type.
28115         (fold_binary): Use build_int_cst_type to build an all-ones
28116         value.
28117         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
28118
28119 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
28120
28121         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
28122
28123 2007-01-09  Ben Elliston  <bje@au.ibm.com>
28124
28125         * genautomata.c (STATS_OPTION): New option.
28126         (stats_flag): New flag.
28127         (gen_automata_option): Handle it.
28128         (initiate_automaton_gen): Ditto.
28129         (write_automata): Output statistics only if stats_flag is
28130         set. Likewise, output time statistics only if time_flag is set.
28131         * doc/md.texi (Processor pipeline description): Document new flag.
28132
28133 2007-01-08  Richard Guenther  <rguenther@suse.de>
28134
28135         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
28136         * tree.c (build_int_cst_type): Likewise.
28137         (size_in_bytes): Don't call force_fit_type on the result.
28138         (int_fits_type_p): Use fit_double_type.
28139         * fold-const.c (fit_double_type): New function.
28140         (force_fit_type): Use it.
28141         * tree.h (fit_double_type): Export.
28142
28143 2007-01-08  Jan Hubicka  <jh@suse.cz>
28144
28145         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
28146         * ipa.c (function_and_variable_visibility): Fix return type.
28147
28148 2007-01-08  Richard Guenther  <rguenther@suse.de>
28149
28150         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
28151         of offset to build the index.
28152         * tree-pretty-print.c (dump_generic_node): Don't build negated
28153         const just for printing.
28154         * c-pretty-print.c (pp_c_integer_constant): Likewise.
28155         * builtins.c (fold_builtin_int_roundingfn): Check if result
28156         fits the type by using force_fit_type and comparing the result.
28157         * predict.c (predict_loops): Use compare_tree_int for comparison.
28158         * tree.c (build_int_cst): Fall back to integer_type_node for
28159         NULL_TREE type.
28160         (build_int_cst_wide): Assert type is non-null.
28161
28162 2007-01-08  Roberto Costa  <roberto.costa@st.com>
28163
28164         * tree-vrp.c (extract_range_from_cond_expr): New.
28165         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
28166         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
28167         as expressions.
28168         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
28169         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
28170         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
28171         used as expressions.
28172         * tree-object-size.c (cond_expr_object_size): New.
28173         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
28174
28175 2007-01-08  Jan Hubicka  <jh@suse.cz>
28176
28177         * tree-ssa-forwprop.c (forward_propagate_into_cond,
28178         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
28179         statement.
28180
28181 2007-01-08  Richard Guenther  <rguenther@suse.de>
28182
28183         PR tree-optimization/23603
28184         * tree-vrp.c (set_value_range_to_truthvalue): New function.
28185         (extract_range_from_binary): Fall back to truthvalue instead of
28186         varying for TRUTH_*_EXPR.
28187         (extract_range_from_comparison): Fall back to truthvalue instead of
28188         varying.
28189         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
28190         if all visited PHI values were constant.
28191
28192 2007-01-08  Jan Hubicka  <jh@suse.cz>
28193
28194         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
28195         (cgraph_analyze_function): break out from ...
28196         (cgraph_finalize_compilation_unit): ... here.
28197         (cgraph_expand_function): Remove forgoten commented out line.
28198         (cgraph_optimize): Analyze functions.
28199
28200 2007-01-08  Jan Hubicka  <jh@suse.cz>
28201
28202         * tree-pas.h (TODO_remove_function): New flag.
28203         (TODO_update*): Renumber.
28204         (pass_ipa_increase_alignment,
28205         pass_ipa_function_and_variable_visibility): New passes.
28206         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
28207         (cgraph_function_and_variable_visibility): Move to ipa.c
28208         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
28209         cgraph_increase_alignment.
28210         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
28211         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
28212         calling tree-inline.
28213         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
28214         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
28215         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
28216         (gate_increase_alignment): New function.
28217         (pass_ipa_increase_alignment): New pass.
28218         * ipa.c: Inline tree-pass.h and timevar.h
28219         (function_and_variable_visibility): Move here from cgraphunit.c
28220         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
28221         * passes.c (init_optimization_passes): Add the two new passes.
28222         (execute_todo): Handle cgraph_remove_functions.
28223
28224 2007-01-08  Nick Clifton  <nickc@redhat.com>
28225
28226         * config/frv/predicates.md (reg_or_0_operand): Accept
28227         CONST_DOUBLEs.
28228
28229 2007-01-08  Ralf CorsÃÂ©pius <ralf.corsepius@rtems.org>
28230
28231         * config/bfin/rtems.h, config/bfin/t-rtems: New.
28232         * config.gcc: Add bfin*-rtems*.
28233
28234 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28235
28236         * c.opt: Add -flax-vector-conversions.
28237         * c-typeck.c (convert_for_assignment): Pass flag to
28238         vector_types_convertible_p to allow emission of note.
28239         (digest_init): Likewise.
28240         * c-opts.c: Handle -flax-vector-conversions.
28241         * c-common.c (flag_lax_vector_conversions): New.
28242         (vector_types_convertible_p): Unless -flax-vector conversions
28243         has been passed, disallow conversions between vectors with
28244         differing numbers of subparts and/or element types.  If such
28245         a conversion is disallowed, possibly emit a note on the first
28246         occasion only to inform the user of -flax-vector-conversions.
28247         The new last argument specifies this.
28248         * c-common.h (flag_lax_vector_conversions): New.
28249         (vector_types_convertible_p): Add extra argument.
28250         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
28251         char_type_node for V*QI type vectors.
28252         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
28253         Update to satisfy new typechecking rules.
28254         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
28255         C and C++ variants.
28256         * doc/invoke.texi (C Dialect Options): Document
28257         -flax-vector-conversions.
28258
28259 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
28260
28261         PR tree-optimization/29877
28262         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
28263         a register variable on the RHS to not be replaceable.
28264
28265 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
28266         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
28267         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
28268         const_simm15, const_pow2, const_npow2): Added.
28269         * config/score/misc.md (insv, extv, extzv, movmemsi,
28270         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
28271         * config/score/score.c (score_address_cost, score_select_cc_mode):
28272         Added.
28273         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
28274         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
28275         Update score_print_operand.
28276         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
28277         Adjust register allocate order and update some macro define.
28278         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
28279         mdx_block_move_straight, mdx_block_move_loop_head,
28280         mdx_block_move_loop_body, mdx_block_move_loop_foot,
28281         mdx_block_move_loop, mdx_block_move): Added.
28282         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
28283         mdp_limm): Updated and fix some bug and typo.
28284         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
28285         (movsf, movdf, doloop_end): Added.
28286
28287 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
28288
28289         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
28290         config/arm/thumb2.md: Fix comment typos.
28291         * doc/extend.texi: Fix a typo.
28292
28293 2007-01-07  Eric Christopher  <echristo@apple.com>
28294
28295         * configure.ac: Check for __stack_chk_fail for darwin.
28296         * configure: Regenerate.
28297
28298 2007-01-07  Richard Guenther  <rguenther@suse.de>
28299
28300         * tree-vrp.c (extract_range_from_assert): CSE calls to
28301         compare_values where possible.
28302         (extract_range_from_unary_expr): Likewise.
28303
28304 2007-01-07  Anatoly Sokolov <aesok@post.ru>
28305
28306         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
28307         * config/avr/avr.c (call_insn_operand): Delete function.
28308         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
28309         instead of register number. Use predicates.
28310         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
28311         call_insn_operand): Add.
28312
28313 2007-01-06  Jan Hubicka  <jh@suse.cz>
28314
28315         * tree-pass.h (pass_build_cgraph_edges): Declare.
28316         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
28317         (visited_nodes): Remove.
28318         (cgraph_create_edges): Move to cgraphbuild.c; rename to
28319         build_cgrpah_edges; make visited_nodes local.
28320         (cgraph_process_new_functions): DO not call initialize_inline_failed.
28321         (record_references_in_initializer): Move to cgraphbuild.c
28322         (initialize_inline_failed, rebuild_cgraph_edges,
28323         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
28324         (verify_cgraph_node): Make visited_nodes local.
28325         (cgraph_analyze_function): Do not call cgraph_create_edges and
28326         initialize_inline_failed.
28327         (cgraph_expand_function): Do not call cgraph_lower_function;
28328         assert that function is already lowered.
28329         * Makefile.in (cgraphbuild.o): New.
28330         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
28331         at the end of lowering passes.
28332
28333 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
28334
28335         * ifcvt.c (cond_move_convert_if_block): New function, code
28336         factored out from...
28337         (cond_move_process_if_block): ...here.  Call the new function
28338         on the THEN and ELSE blocks.
28339         (merge_if_block): Do not copy global_live_at_end, merge_blocks
28340         already takes care of this.
28341
28342 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28343
28344         PR c/19978
28345         * tree.h (TREE_OVERFLOW_P): New.
28346         * c-typeck.c (parser_build_unary_op): Warn only if result
28347         overflowed and operands did not.
28348         (parser_build_binary_op): Likewise.
28349         (convert_for_assignment): Remove redundant overflow_warning.
28350         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
28351
28352 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28353
28354         * c-typeck.c (store_init_value): Split over two lines to follow
28355         the GNU coding style.
28356
28357 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
28358
28359         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
28360         __GXX_EXPERIMENTAL_CXX0X__.
28361         * doc/cpp.texi: Same.
28362
28363 2007-01-05  Richard Guenther  <rguenther@suse.de>
28364
28365         PR middle-end/27826
28366         * tree.c (get_narrower): Do not construct COMPONENT_REFs
28367         with mismatched types.  Instead explicitly build a
28368         conversion NOP_EXPR.
28369
28370 2007-01-05  Ian Lance Taylor  <iant@google.com>
28371
28372         * c-common.c (decl_with_nonnull_addr_p): New function.
28373         (c_common_truthvalue_conversion): Call it.
28374         * c-typeck.c (build_binary_op): Likewise.
28375         * c-common.h (decl_with_nonnull_addr_p): Declare.
28376
28377 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
28378
28379         PR c/30360
28380         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
28381         denom against 0.0.
28382
28383 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
28384
28385         * doc/install.texi (Final install): Document the fact that
28386         the GNAT runtime should not be stripped.
28387
28388 2007-01-04  Jan Hubicka  <jh@suse.cz>
28389
28390         * tree-inline.c (fold_marked_statements): Update operand caches
28391         and EH after folding
28392
28393 2007-01-04  Ian Lance Taylor  <iant@google.com>
28394
28395         * c-common.c (check_function_nonnull): Whitespace fix.
28396
28397 2007-01-04  Jan Hubicka  <jh@suse.cz>
28398
28399         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
28400         comitted older version of patch.
28401         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
28402         function, celanup cfg and collect garbage.
28403
28404 2007-01-04  Mike Stump  <mrs@apple.com>
28405
28406         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
28407         (clean): Likewise.
28408
28409 2007-01-04  Eric Christopher  <echristo@apple.com>
28410
28411         * libgcc2.c (__bswapsi2): Use SItype.
28412         (__bswapdi2): Use DItype.
28413         * libgcc2.h: Update for above.
28414
28415 2007-01-04  Paul Brook  <paul@codesourcery.com>
28416
28417         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
28418         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
28419         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
28420         umulsidi3, umulsidi3adddi, smulsi3_highpart,
28421         umulsi3_highpart): Make conditional on !arm_arch6.
28422         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
28423         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
28424         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
28425         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
28426         umulsi3_highpart_v6): New insns.
28427
28428 2007-01-04  Roger Sayle  <roger@eyesopen.com>
28429
28430         * fold-const.c (fold_convert): When casting an expression to void,
28431         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
28432         have a type.  Instead of attempting to build a NOP_EXPR, return
28433         these "special" trees directly.
28434
28435 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
28436
28437         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
28438         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
28439         rs6000_cost->fp not 0 as adjustment for outer NEG.
28440
28441 2007-01-04  Jan Hubicka  <jh@suse.cz>
28442
28443         * cgraph.c (cgraph_release_function_body): New function.
28444         (cgraph_remove_node): Use it.
28445         * cgraph.h (cgraph_release_function_body): Declare.
28446         * cgraphunit.c (cgraph_expand_function): Use it.
28447         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
28448         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
28449         is initialized and while compilation of other function is running.
28450         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
28451         statement CFG annotations from here to ...
28452         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
28453
28454 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
28455
28456         * cfgloop.h (enum li_flags): Make the constants powers of two.
28457
28458 2007-01-04  Jan Hubicka  <jh@suse.cz>
28459
28460         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
28461         set.
28462         (fold_marked_statements): New function.
28463         (optimize_inline_calls, tree_function_versioning): Fold new statements.
28464         * tree-inline.h (copy_body_data): Add statements_to_fold.
28465
28466 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
28467
28468         * config.gcc: Mention libgcc/config.host.
28469         * Makefile.in: Update comments mentioning libgcc.
28470         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
28471         (all.cross, start.encap, rest.encap, rest.cross): Update
28472         dependencies for libgcc move.
28473         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
28474         (clean-target, clean-target-libgcc): Delete.
28475         (srcdirify, GCC_EXTRA_PARTS): New macros.
28476         (libgcc-support, libgcc.mvars): New rules.
28477         (distclean): Remove mention of mklibgcc.
28478         (install): Don't reference INSTALL_LIBGCC.
28479         (install-common): Don't reference EXTRA_PARTS.
28480         (install-libgcc, install-multilib): Delete rules.
28481         * mklibgcc.in: Delete file.
28482         * doc/configfiles.texi: Don't mention mklibgcc.
28483
28484         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
28485         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
28486         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
28487         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
28488         (mklibgcc, ldblspecs): Likewise.
28489
28490         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
28491         (posixpre.def): Use $(T).
28492         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
28493         (SHLIB_SRC, SHLIB_INSTALL): Delete.
28494         (SHLIB_LINK): Make dummy.
28495         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
28496
28497         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
28498
28499         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
28500         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
28501         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
28502         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
28503
28504         * configure.ac (all_outputs): Remove mklibgcc.
28505         * configure: Regenerated.
28506
28507 2007-01-03  Josh Conner  <jconner@apple.com>
28508
28509         PR middle-end/29683
28510         * calls.c (compute_argument_addresses): Set stack and stack_slot
28511         for partial args, too.
28512         (store_one_arg): Use locate.size.constant for the size when
28513         generating a save_area.
28514
28515 2007-01-03  Robert Kennedy <jimbob@google.com>
28516
28517         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
28518         whose definitions are deleted due to basic block merging.
28519
28520 2007-01-03  Paul Brook  <paul@codesourcery.com>
28521
28522         PR target/16634
28523         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
28524         functions.
28525         (use_return_insn): Return 0 for Thumb interrupt functions.
28526         (print_multi_reg): Add rfe argument for IRQ returns.
28527         (arm_output_epilogue): Pop interrupt return address directly into PC.
28528         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
28529
28530 2007-01-03  Paul Brook  <paul@codesourcery.com>
28531
28532         Merge from sourcerygxx-4_1.
28533         * config/arm/thumb2.md: New file.
28534         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
28535         Thumb-2.
28536         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
28537         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28538         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
28539         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
28540         tables.
28541         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
28542         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
28543         comptibility.
28544         * config/arm/ieee754-sf.S: Ditto.
28545         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
28546         (thumb1_base_register_rtx_p): ... to this.
28547         (thumb_index_register_rtx_p): Rename...
28548         (thumb1_index_register_rtx_p): ... to this.
28549         (thumb_output_function_prologue): Rename...
28550         (thumb1_output_function_prologue): ... to this.
28551         (thumb_legitimate_address_p): Rename...
28552         (thumb1_legitimate_address_p): ... to this.
28553         (thumb_rtx_costs): Rename...
28554         (thumb1_rtx_costs): ... to this.
28555         (thumb_compute_save_reg_mask): Rename...
28556         (thumb1_compute_save_reg_mask): ... to this.
28557         (thumb_final_prescan_insn): Rename...
28558         (thumb1_final_prescan_insn): ... to this.
28559         (thumb_expand_epilogue): Rename...
28560         (thumb1_expand_epilogue): ... to this.
28561         (arm_unwind_emit_stm): Rename...
28562         (arm_unwind_emit_sequence): ... to this.
28563         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
28564         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
28565         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
28566         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
28567         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
28568         thumb2_output_casesi): New functions.
28569         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
28570         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
28571         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
28572         THUMB2_WORK_REGS): Define.
28573         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
28574         arm_condexec_mask, arm_condexec_masklen)): New variables.
28575         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
28576         (arm_override_options): Check new CPU capabilities.
28577         Set new architecture flag variables.
28578         (arm_isr_value): Handle v7m interrupt functions.
28579         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
28580         Thumb-2.
28581         (const_ok_for_arm): Handle Thumb-2 constants.
28582         (arm_gen_constant): Ditto.  Use movw when available.
28583         (arm_function_ok_for_sibcall): Return false for v7m interrupt
28584         functions.
28585         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
28586         (thumb_find_work_register, arm_load_pic_register,
28587         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
28588         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
28589         print_multi_reg, output_mov_long_double_fpa_from_arm,
28590         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
28591         output_mov_double_fpa_from_arm, output_move_double,
28592         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
28593         output_return_instruction, arm_output_function_prologue,
28594         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
28595         arm_output_mi_thunk, thumb_set_return_address): Ditto.
28596         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
28597         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
28598         (arithmetic_instr, shift_op): Use arm_shift_nmem.
28599         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
28600         '!' and 'L'.
28601         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
28602         (thumb_expand_prologue): Use thumb_set_frame_pointer.
28603         (arm_file_start): Output directive for unified syntax.
28604         (arm_unwind_emit_set): Handle stack alignment instruction.
28605         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
28606         Add v6t2, v7, v7a, v7r and v7m.
28607         (RETLDM): Add Thumb-2 code.
28608         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
28609         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
28610         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
28611         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
28612         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
28613         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
28614         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
28615         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
28616         ADJUST_INSN_LENGTH): Define.
28617         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
28618         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
28619         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
28620         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
28621         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
28622         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
28623         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
28624         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
28625         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
28626         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
28627         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
28628         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
28629         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
28630         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
28631         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
28632         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
28633         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
28634         cortex-m3.
28635         * config/arm/arm-tune.md: Regenerate.
28636         * config/arm/arm-protos.h: Update prototypes.
28637         * config/arm/vfp.md: Enable patterns for Thumb-2.
28638         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
28639         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
28640         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
28641         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
28642         * config/arm/libunwind.S: Add Thumb-2 code.
28643         * config/arm/constraints.md: Update include Thumb-2.
28644         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
28645         * config/arm/ieee754-df.S: Ditto.
28646         * config/arm/bpabi.S: Ditto.
28647         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
28648         * config/arm/predicates.md (low_register_operand,
28649         low_reg_or_int_operand, thumb_16bit_operator): New.
28650         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
28651         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
28652         * config/arm/t-arm-elf: Add armv7 multilib.
28653         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
28654         Include thumb2.md.
28655         (UNSPEC_STACK_ALIGN, ce_count): New.
28656         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
28657         arm_zero_extendsidi2, arm_zero_extendqidi2): New
28658         insns/expanders.
28659         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
28660         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
28661         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
28662         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
28663         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
28664         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
28665         insns.
28666         * doc/extend.texi: Document ARMv7-M interrupt functions.
28667         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
28668
28669 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
28670
28671         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
28672         (struct _Unwind_Context): Rename args_size to flags, remove
28673         signal_frame field, add a new args_size field and version field.
28674         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
28675         _Unwind_IsExtendedContext): New inline functions.
28676         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
28677         Assume by_value array is only present if _Unwind_IsExtendedContext.
28678         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
28679         _Unwind_IsSignalFrame.
28680         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
28681         (uw_update_context_1): Use _Unwind_SetSignalFrame.
28682         (uw_init_context_1): Initialize context->flags to
28683         EXTENDED_CONTEXT_BIT.
28684         * config/rs6000/linux-unwind.h (frob_update_context): Use
28685         _Unwind_SetSignalFrame.
28686
28687 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
28688
28689         PR middle-end/30353
28690         * gimplify.c (gimplify_modify_expr_complex_part): Move below
28691         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
28692         the value.
28693
28694 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
28695
28696         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
28697         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
28698         RET, AT_SP): Remove.
28699         * config/i386/i386.md (*sse_prologue_save_insn): Use return
28700         instead of RET.
28701
28702         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28703         * cfgbuild.c (find_basic_blocks): Likewise.
28704         * cfgrtl.c (rtl_create_basic_block): Likewise.
28705         * function.c (temp_slots_at_level): Likewise.
28706         * reg-stack.c (stack_regs_mentioned): Likewise.
28707         * regclass.c (allocate_reg_info): Likewise.
28708         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28709         set_bb_for_stmt, move_block_to_fn): Likewise.
28710         * tree-complex.c (tree_lower_complex): Likewise.
28711         * vec.h (VEC_safe_grow_cleared): New.
28712
28713         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
28714
28715 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
28716
28717         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
28718         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
28719         to loop_version.
28720         * cfgloopmanip.c (scale_loop_frequencies): Export.
28721         (loopify): Scale the frequencies by prescribed coefficients.
28722         (set_zero_probability): New function.
28723         (duplicate_loop_to_header_edge): Improve updating of frequencies.
28724         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
28725         and frequencies according to arguments.
28726         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
28727         correctly.
28728         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
28729         * modulo-sched.c (sms_schedule): Set probabilities for entering
28730         versioned loop correctly.
28731         * tree-vect-transform.c (vect_transform_loop): Ditto.
28732         * cfgloop.h (loopify, loop_version): Declaration changed.
28733         (scale_loop_frequencies): Declared.
28734
28735 2007-01-02  Jan Hubicka  <jh@suse.cz>
28736
28737         * cgraph.c: Include tree-flow.h
28738         (cgraph_add_new-function): Handle IPA_SSA mode; execute
28739         early_local_passes.
28740         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
28741         * tree-pass.h (pass_all_early_optimizations): Declare.
28742         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
28743         early_local_passes.
28744         (cgraph_analyze_function): Do early_local_passes.
28745         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28746         Do not add referenced vars.
28747         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
28748         SSA form.
28749         (gate_all_early_local_passes): New gate.
28750         (pass_early_local_passes): Use new gate.
28751         (execute_early_local_optimizations): New functions.
28752         (gate_all_early_optimizations): New gate.
28753         (pass_all_early_optimizations): New pass.
28754         (execute_free_datastructures): Free SSA only when initialized.
28755         (gate_init_datastructures): Init only when optimizing.
28756         (tree_lowering_passes): Do early local passes when called late.
28757         * tree-profile.c (do_tree_profiling): Don't profile functions added
28758         late.
28759         (do_early_tree_profiling, pass_early_tree_profile): Kill.
28760         * tree-cfg.c (update_modified_stmts): Do not update when operands are
28761         not active.
28762         * passes.c (init_optimizations_passes): Reorder so we go into SSA
28763         during early_local_passes.
28764         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
28765
28766
28767 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28768
28769         * Makefile.in: Update copyright year.
28770
28771 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
28772
28773         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
28774         in $(lang_checks) and check-consistency targets.
28775
28776 2007-01-02  Jan Hubicka  <jh@suse.cz>
28777
28778         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
28779         Do not add referenced vars.
28780         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
28781         are not active.
28782         * passes.c (init_optimization_passes): Put mudflap_2 after
28783         free_datastructures.
28784
28785 2007-01-02  Jan Hubicka  <jh@suse.cz>
28786
28787         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
28788         Set NOTHROW flag on call statements proved to be nothrow.
28789         Update statement of local calls so new pure/const functions are
28790         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
28791         goto receivers.
28792         (tree_rest_of_compilation): Register hooks and initialize bitmap
28793         early. Do not set after_inlining flag.
28794
28795 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
28796
28797         * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
28798         HOST_BITS_PER_LONGLONG
28799
28800 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
28801
28802         PR c/19977
28803         * c-typeck.c (store_init_value): Don't emit pedantic overflow
28804         warning for non-static initializers.
28805
28806 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
28807
28808         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
28809         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
28810         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
28811         Always use set_unique_reg_note to add REG_EQUAL notes.
28812
28813 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28814
28815         Revert:
28816         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28817
28818         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28819         * cfgbuild.c (find_basic_blocks): Likewise.
28820         * cfgrtl.c (rtl_create_basic_block): Likewise.
28821         * function.c (temp_slots_at_level): Likewise.
28822         * reg-stack.c (stack_regs_mentioned): Likewise.
28823         * regclass.c (allocate_reg_info): Likewise.
28824         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28825         set_bb_for_stmt, move_block_to_fn): Likewise.
28826         * tree-complex.c (tree_lower_complex): Likewise.
28827         * vec.h (VEC_safe_grow_cleared): New.
28828
28829 2007-01-02  Ian Lance Taylor  <iant@google.com>
28830
28831         * c-common.c (c_common_truthvalue_conversion): When warning about
28832         using an assignment as a truth value, set TREE_NO_WARNING.
28833
28834 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28835
28836         PR middle-end/7651
28837         * c.opt (Wold-style-declaration): New.
28838         * doc/invoke.texi (C-only Warning Options): New.
28839         (Wold-style-declaration): Document it.
28840         (Wextra): Enabled by -Wextra.
28841         * c-opts.c (c_common_post_options): Enabled by -Wextra.
28842         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
28843         -Wold-style-declaration.
28844
28845 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
28846
28847         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
28848         * cfgbuild.c (find_basic_blocks): Likewise.
28849         * cfgrtl.c (rtl_create_basic_block): Likewise.
28850         * function.c (temp_slots_at_level): Likewise.
28851         * reg-stack.c (stack_regs_mentioned): Likewise.
28852         * regclass.c (allocate_reg_info): Likewise.
28853         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
28854         set_bb_for_stmt, move_block_to_fn): Likewise.
28855         * tree-complex.c (tree_lower_complex): Likewise.
28856         * vec.h (VEC_safe_grow_cleared): New.
28857
28858 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
28859
28860         * c-common.c (c_common_nodes_and_builtins): Since variants of
28861         void_type_node get built before it is given a name, we need to
28862         give those variants the name, too.
28863         (complete_array_type): We need to work with the canonical main
28864         type of the array, from which we will build the qualified version.
28865         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
28866         * print-tree.c (print_node): Display canonical type information
28867         for each type.
28868         * stor-layout.c (layout_type): When we don't know the
28869         alignment of a type for which we're building an array, we end up
28870         guessing wrong, so make the type require structural equality.
28871         * tree.c (make_node_stat): When we build a new type, it is its
28872         own canonical type.
28873         (build_type_attribute_qual_variant): When building an attribute
28874         variant, its canonical type is the non-attribute variant. However,
28875         if the attributes are target-dependent and they differ, we need to
28876         use structural equality checks for this type.
28877         (build_qualified_type): A qualified type is not equivalent to its
28878         unqualified variant; set the canonical type appropriately.
28879         (build_distinct_type_copy): When building a distinct type from
28880         another type, the new type is its own canonical type.
28881         (build_variant_type_copy): When building a new type variant, we
28882         assume that it is equivalent to the original type.
28883         (build_pointer_type_for_mode): When building a pointer type, also
28884         build a canonical type pointer.
28885         (build_reference_type_for_mode): When building a reference type,
28886         also build a canonical type reference.
28887         (build_index_type): When we can't hash an index type (e.g.,
28888         because its maximum value is negative), the index type requires
28889         structural equality tests.
28890         (build_array_type): Build the canonical form of an array type.
28891         (build_function_type): Function types require structural equality,
28892         because they contain default arguments, attributes, etc.
28893         (build_method_type_directly): Ditto for method types.
28894         (build_offset_type): Build the canonical offset type.
28895         (build_complex_type): Build the canonical vector type.
28896         (make_vector_type): Build the canonical vector type.
28897         * tree.h (TYPE_CANONICAL): New.
28898         (TYPE_STRUCTURAL_EQUALITY_P): New.
28899         (SET_TYPE_STRUCTURAL_EQUALITY): New.
28900         (struct tree_type): Added "canonical" field.
28901         * params.h (VERIFY_CANONICAL_TYPES): New.
28902         * doc/c-tree.texi (TYPE_CANONICAL): Document.
28903         (TYPE_STRUCTURAL_EQUALITY_P): Document.
28904         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
28905         * doc/invoke.texi (verify-canonical-types): Document --param
28906         parameter for verifying canonical types.
28907
28908 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28909
28910         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
28911         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
28912         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
28913         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
28914         tm_file.
28915         * config/rs6000/e500.h: New.
28916         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
28917         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
28918         Remove.
28919         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
28920         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
28921         TARGET_E500_DOUBLE): Remove.
28922         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
28923         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
28924         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
28925         * config/rs6000/rs6000.c (rs6000_override_options): Use
28926         CHECK_E500_OPTIONS.
28927
28928 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28929
28930         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
28931         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
28932         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
28933         rs6000_emit_cmove): Don't check TARGET_E500.
28934         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
28935         sordered): Don't check TARGET_E500.
28936
28937 2007-01-01  Eric Christopher  <echristo@apple.com>
28938
28939         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
28940         HARD_REGISTER_NUM_P.
28941
28942 2007-01-01  Roger Sayle  <roger@eyesopen.com>
28943
28944         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
28945         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
28946         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
28947         eq/ne Y".
28948
28949 2007-01-01  Mike Stump  <mrs@apple.com>
28950
28951         * configure.ac: Remove support for building with Apple's gcc-3.1.
28952
28953 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
28954
28955         PR middle-end/30311
28956         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
28957         REG is a hard register.  Do not modify REG before calling
28958         subreg_nregs.
28959         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
28960         multiple of the size of YMODE for certain lowpart cases.
28961
28962 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28963
28964         PR middle-end/30253
28965         * gimplify (voidify_wrapper_expr): Update for
28966         GIMPLE_MODIFY_STMT.
28967
28968 2007-01-01  Andreas Schwab  <schwab@suse.de>
28969
28970         PR target/29166
28971         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
28972         save of BR0 in extra_spill_size instead of spill_size.
28973         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
28974         area.
28975         (ia64_expand_epilogue): Restore BR0 from its new location.
28976
28977 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28978
28979         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
28980         Use a temporary variable if the left hand side is not a gimple
28981         register.
28982
28983 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
28984
28985         * gimplify.c (gimplify_return_expr): Make the temporary variable
28986         for the return expression, a gimple register variable.
28987
28988 2007-01-01  Jan Hubicka  <jh@suse.cz>
28989
28990         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
28991         INSN_LIST.
28992
28993 2007-01-01  Mike Stump  <mrs@apple.com>
28994
28995         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
28996         .literal16.
28997         * config/darwin.c (machopic_select_rtx_section): Use
28998         HAVE_GAS_LITERAL16.
28999         (darwin_mergeable_constant_section): Likewise.
29000         * configure: Regenerate.
29001         * config.in: Regenerate.
29002
29003 2007-01-01  Jan Hubicka  <jh@suse.cz>
29004             Andrew Pinski  <pinskia@gmail.com>
29005
29006         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
29007         before starting IPA passes.