gcc/ChangeLog

   1 2008-03-26  Nick Clifton  <nickc@redhat.com>
   2
   3         PR target/31232
   4         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
   5         not allow INT+INT as a legitimate addressing mode.
   6
   7 2008-03-26  Richard Guenther  <rguenther@suse.de>
   8
   9         * tree-flow.h (widen_bitfield): Remove declaration.
  10         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
  11         (widen_bitfield): Remove function.
  12         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
  13         code.
  14
  15 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
  16
  17         PR target/31558
  18         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
  19         error_mark_node's.
  20
  21 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
  22
  23         PR rtl-optimization/35232
  24         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
  25         (forget_old_reloads_1, forget_marked_reloads): Don't clear
  26         reg_reloaded_call_part_clobbered here.
  27         (reload_regs_reach_end_p): New function.
  28         (reload_reg_rtx_for_input): New variable.
  29         (reload_reg_rtx_for_output): Likewise.
  30         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
  31         when reassigning a pseudo register.  Load reloadreg from
  32         reload_reg_rtx_for_input, moving the mode and register
  33         calculation to...
  34         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
  35         instead of the original when deciding whether an input reload
  36         would be a no-op or whether an output reload can be deleted.
  37         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
  38         when setting up new_spill_reg_store.  Load it from
  39         reload_reg_rtx_for_output, moving the mode and register
  40         calculation to...
  41         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
  42         instead of the original when deciding whether an output reload
  43         would be a no-op.  Do the same when modifying insn notes.
  44         Use rtx_equal_p instead of == to compare the registers.
  45         (inherit_piecemeal_p): Take a mode and two register numbers
  46         as argument.
  47         (emit_reload_insns): Clear new_spill_reg_store for every hard
  48         register in the reload register.  Remove spill registers
  49         from reg_reloaded_valid before considering whether to record
  50         inheritance information for them.  Use reload_reg_rtx_for_output
  51         instead of reg_rtx when recording output reloads.  Use
  52         reload_reg_rtx_for_input instead of reg_rtx when recording
  53         input reloads.  Set or clear reg_reloaded_call_part_clobbered
  54         at the same time as setting reg_reloaded_valid.
  55         (delete_output_reload): Add a new_reload_reg parameter and use it
  56         instead of rld[j].reg_rtx.
  57         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
  58         calls accordingly.
  59
  60 2008-03-25  Tom Tromey  <tromey@redhat.com>
  61
  62         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
  63         (build/genattr.o): Likewise.
  64         (build/genattrtab.o): Likewise.
  65         (build/gencodes.o): Likewise.
  66         (build/genconfig.o): Likewise.
  67         (build/genconstants.o): Likewise.
  68         (build/genemit.o): Likewise.
  69         (build/genextract.o): Likewise.
  70         (build/genflags.o): Likewise.
  71
  72 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
  73
  74         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
  75         instead of size_int for integer types.
  76         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
  77         to match type of MINUS_EXPR.
  78
  79 2008-03-25  Tom Tromey  <tromey@redhat.com>
  80
  81         * configure: Rebuilt.
  82         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
  83         Makefile.
  84
  85 2008-03-25  Tom Tromey  <tromey@redhat.com>
  86
  87         * config/x-solaris (host-solaris.o): Update.
  88         * config/x-linux (host-linux.o): Update.
  89         * config/x-hpux (host-hpux.o): Update.
  90         * config/x-darwin (host-darwin.o): Update.
  91         * config/v850/t-v850e (v850-c.o): Update.
  92         * config/v850/t-v850 (v850-c.o): Update.
  93         * config/t-vxworks (vxworks.o): Update.
  94         * config/t-sol2 (sol2-c.o, sol2.o): Update.
  95         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o):
  96         Update.
  97         * config/spu/t-spu-elf (spu-c.o): Update.
  98         (spu.o): Remove.
  99         * config/sh/t-symbian (sh-c.o): Update.
 100         (symbian.o): Update.
 101         * config/sh/t-sh (sh-c.o): Update.
 102         * config/score/t-score-elf (score7.o, score3.o): Update.
 103         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
 104         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
 105         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
 106         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
 107         (rs6000.o): Remove.
 108         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
 109         * config/m32c/t-m32c (m32c-pragma.o): Update.
 110         * config/ia64/t-ia64 (ia64-c.o): Update.
 111         * config/i386/x-mingw32 (host-mingw32.o): Update.
 112         * config/i386/x-i386 (driver-i386.o): Update.
 113         * config/i386/x-darwin (host-i386-darwin.o): Update.
 114         * config/i386/x-cygwin (host-cygwin.o): Update.
 115         * config/i386/t-nwld (nwld.o): Update.
 116         * config/i386/t-netware (netware.o): Update.
 117         * config/i386/t-interix (winnt.o): Update.
 118         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
 119         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
 120         msformat-c.o): Update.
 121         * config/bfin/t-bfin-linux (generated_files): Add
 122         linux-sysroot-suffix.h.
 123         * config/arm/t-wince-pe (pe.o): Update.
 124         * config/arm/t-strongarm-pe (pe.o): Update.
 125         * config/arm/t-pe (pe.o): Update.
 126         * config/arm/t-arm (arm-c.o): Update.
 127         * doc/install.texi (Prerequisites): Require make 3.80.
 128         * Makefile.in: Remove .o targets.
 129         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
 130         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
 131         (simple_generated_h, simple_generated_c): Move earlier.
 132         (generated_files): New variable.
 133         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
 134         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
 135         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
 136         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
 137         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
 138         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
 139         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
 140         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
 141         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
 142         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
 143         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
 144         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
 145         (.c.o): Remove.
 146         (COMPILE.base, COMPILE): New variables.
 147         (%.o): New pattern rule.
 148         (ALL_HOST_OBJS): New variable.
 149         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
 150         (dummy-checksum.o, cc1-checksum.o): Remove.
 151         (DRIVER_SHLIB): New variable.
 152         (DRIVER_DEFINES): Use it.
 153         (gencondmd.c): Move out of build/.
 154         (s-conditions): Update.
 155         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
 156         (ALL_BUILD_OBJS): Likewise.
 157         (build/%.o): Use BUILDCOMPILE.
 158         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
 159         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
 160         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
 161         build/gencheck.o, build/gencodes.o, build/genconditions.o,
 162         build/genconfig.o, build/genconstants.o, build/genemit.o,
 163         build/genextract.o, build/genflags.o, build/genmddeps.o,
 164         build/genopinit.o, build/genoutput.o, build/genpeep.o,
 165         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
 166         build/gen-protos.o, build/scan.o, build/fix-header.o,
 167         build/scan-decls.o): Simplify.
 168         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
 169         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
 170         prefix.o, toplev.o): Reduce to variable setting.
 171         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move
 172         later.
 173         ($(out_object_file), gcc-options.o): New targets.
 174         ($(ALL_HOST_OBJS)): New target.
 175         Include dependency files.
 176         * configure: Rebuilt.
 177         * configure.ac: Call ZW_CREATE_DEPDIR,
 178         ZW_PROG_COMPILER_DEPENDENCIES.
 179         * doc/sourcebuild.texi (Front End Directory): Document new
 180         variable.
 181
 182 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
 183
 184        * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
 185        complain when we hit an error, return ERROR_MARK_NODE.
 186
 187 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 188
 189         * config/sh/constraints.md (Pso, Psz): New constraints.
 190         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
 191         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
 192
 193 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 194
 195         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if
 196         possible.
 197         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
 198
 199 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
 200
 201         * config/sh/sh.md (prefetch): Add condition for SH2A target.
 202         (prefetch_sh2a): New.
 203
 204 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 205             Naveen.H.S  <naveen.hs@kpitcummins.com>
 206
 207         * config/sh/constraints.md (I28): New constraint.
 208         * config/sh/sh.c (broken_move): Add support for movi20s.
 209         * config/sh/sh.md (movsi_ie): Add the alternative for
 210         movi20s.
 211
 212 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
 213             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
 214             Naveen.H.S  <naveen.hs@kpitcummins.com>
 215
 216         * config/sh/sh.c (SH_ATTRIBUTES): Define.
 217         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
 218         (print_operand): Handle resbank in %@ operand code.
 219         (sh_encode_section_info): New.
 220         (push_regs): Add conditions for resbank.
 221         (sh_expand_epilogue): Likewise.
 222         (sh_insert_attributes): Likewise.
 223         (sh_attribute_table): Likewise.
 224         (sh_handle_resbank_handler_attribute): New.
 225         (sh2a_handle_function_vector_handler_attribute): New.
 226         (sh2a_is_function_vector_call): New.
 227         (sh2a_get_function_vector_number): New.
 228         (sh2a_function_vector_p): New.
 229         (sh_cfun_resbank_handler_p): New.
 230         * config/sh/sh.md (calli): Emit jsr/n if possible.
 231         (calli_tbr_rel): New.
 232         (calli_pcrel): Emit jsr/n if possible.
 233         (return_i): Emit rts/n if possible.
 234         (call_valuei_tbr_rel): New.
 235         (call_valuei_pcrel): Add condition for SH2A target.
 236         (call_value): Likewise.
 237         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
 238         (sh2a_get_function_vector_number): Likewise.
 239         (sh2a_is_function_vector_call): Likewise.
 240         * doc/extend.texi: Document TBR relative addressing of SH2A.
 241         (resbank): Add description for SH2A.
 242
 243 2008-03-24  Richard Guenther  <rguenther@suse.de>
 244
 245         PR c/22371
 246         * gimplify.c (gimplify_modify_expr): For frontend type-correct
 247         pointer assignments change conversions according to middle-end rules.
 248         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
 249         * configure.ac: Include type checking in yes.
 250         * configure: Regenerate.
 251
 252 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
 253
 254         * diagnostic.c (diagnostic_count_diagnostic): Delete.
 255         (diagnostic_report_diagnostic): Update. Handle ICEs here.
 256
 257 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
 258
 259         * gthr-vxworks.h (UNUSED): Define.
 260
 261 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
 262
 263         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and
 264         CX_REG.
 265
 266 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
 267
 268         * doc/extend.texi (Function Attributes): Add missing comma in the
 269         example of the "alloc_size" attribute.
 270
 271 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
 272
 273         Revert:
 274         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
 275
 276         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
 277         32bit host.
 278
 279         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 280
 281         PR target/35496
 282         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 283         of the underlying type of a MS bitfield layout to the natural
 284         alignment of the type.
 285
 286         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 287
 288         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 289         to their natural alignment to avoid store forwarding stalls.
 290
 291 2008-03-22  Richard Guenther  <rguenther@suse.de>
 292
 293         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
 294         For PHI nodes verify the address is invariant.
 295         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
 296         (get_symbol_constant_value): Use is_gimple_min_invariant.
 297         (maybe_fold_stmt_indirect): Likewise.
 298
 299 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
 300
 301         PR rtl-optimization/33927
 302         * Makefile.in (dse.o): Depend on $(TM_P_H).
 303         * expr.h (extract_low_bits): Declare.
 304         * expmed.c (extract_low_bits): New function.
 305         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
 306         * dse.c: Include tm_p.h.
 307         (find_shift_sequence): Remove the read_reg argument and return the
 308         read value.  Emit the instructions instead of returning them.
 309         Iterate on new_mode rather than calculating it each time.
 310         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
 311         source to NEW_MODE and extract_low_bits to convert the shifted
 312         value to READ_MODE.
 313         (replace_read): Allow the load and store to have different mode
 314         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
 315         or extraction instructions before trying the replacement.  Update
 316         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
 317
 318 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
 319
 320         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
 321         to their natural alignment to avoid store forwarding stalls.
 322
 323 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 324
 325         PR target/27946
 326         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
 327         encouraging but not allowing gprs for input;
 328         change the input constraint to !f#r.
 329         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
 330         gprs for output;
 331         change the output constraint to !f#r.
 332
 333 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
 334
 335         PR target/13958
 336         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
 337         corresponding post-reload splitters.
 338         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
 339         when x87 FP math is selected.
 340         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
 341         New function prototype.
 342         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
 343         unreachable function to ease macroization of insn patterns.
 344
 345 2008-03-21  Martin Jambor  <mjambor@suse.cz>
 346
 347         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
 348         reference dumps if ddr is NULL or dependence is unknown.
 349
 350 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 351
 352         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
 353         unsigned extension into account.
 354         (ATOMIC_COMPARE_AND_SWAP): Likewise.
 355         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
 356         Do computations on a scratch register.
 357
 358 2008-03-21  Richard Guenther  <rguenther@suse.de>
 359
 360         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
 361         Use is_gimple_min_invariant instead of TREE_INVARIANT.
 362         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
 363         * tree-ssa-dom.c (record_equality): Likewise.
 364         * tree-inline.c (copy_body_r): Likewise.
 365         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
 366         TREE_INVARIANT.
 367
 368 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
 369
 370         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
 371         as 'delete_unused' argument.
 372
 373 2008-03-20  Richard Guenther  <rguenther@suse.de>
 374
 375         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
 376         special casing of constant qualifiers.
 377         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
 378         care about them in general.
 379         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
 380         regardless of their type.
 381         (fold_stmt_r): Forcefully fold *& if we end up with that.
 382
 383 2008-03-20  Paul Brook  <paul@codesourcery.com>
 384
 385         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
 386         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
 387         linker flags.
 388         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
 389         definition.
 390         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
 391         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
 392
 393 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
 394
 395         * common.opt (Wmudflap): New option.
 396         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
 397         (mx_register_decls): Likewise.
 398         (mudflap_finish_file): Likewise.
 399         * doc/invoke.texi: Document -Wno-mudflap.
 400
 401 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
 402
 403         * c-format.c (replace_format_name_to_system_name): New.
 404         (cmp_attribs): New.
 405         (convert_format_name_to_system_name): New.
 406         (decode_format_attr): Add use of convert_format_name_to_system_name.
 407         (format_types_orig): Add gnu_ prefix to names.
 408         (check_format_info_main): Special treating of \0 escaped names for
 409         supporting multi-character format specifiers as I32, I64.
 410         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
 411         (gnu_target_overrides_format_attributes): New.
 412         * c-format.h: Add structure target_ovr_attr to hold
 413         system specific formatter names.
 414         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
 415         msformat-c.o file to c_target_objs and cxx_target_objs.
 416         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 417         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
 418         (TARGET_N_FORMAT_TYPES): New.
 419         * config/i386/msformat-c.c: New.
 420         * config/i386/t-cygming: Add build rule for msformat-c.o.
 421         * doc/extend.texi: Add new format names gnu_* and ms_* and
 422         further details.
 423         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
 424
 425 2008-03-20  Ira Rosen  <irar@il.ibm.com>
 426
 427         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
 428         optimizations turned on under -O3.
 429         (ftree-vectorize): Add that the flag is turned on with -O3.
 430
 431 2008-03-20  Ben Elliston  <bje@au.ibm.com>
 432
 433         * regmove.c (try_auto_increment): Fix spelling error in comment.
 434         * final.c (final_scan_insn): Likewise.
 435
 436 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
 437
 438         PR target/14552
 439         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
 440         allocator preferences for "y" and "r" class registers.
 441         ("*mov<mode>_internal"): Ditto.
 442         ("*movv2sf_internal_rex64"): Ditto.
 443         ("*movv2sf_internal"): Ditto.
 444
 445 2008-03-19  Michael Matz  <matz@suse.de>
 446
 447         PR middle-end/35616
 448         * calls.c (expand_call): Check overlap of arguments with call
 449         address for sibcalls.
 450
 451 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
 452
 453         PR target/35496
 454         * stor-layout.c (update_alignment_for_field): Set minimum alignment
 455         of the underlying type of a MS bitfield layout to the natural
 456         alignment of the type.
 457
 458 2008-03-19  Jan Hubicka  <jh@suse.cz>
 459
 460         PR other/35094
 461         * toplev.c (decode_d_option): Handle all CPP flags.
 462         * tree-vrp.c: Update tree_pass descriptors.
 463         * regrename.c: Update tree_pass descriptors.
 464         * fwprop.c: Update tree_pass descriptors.
 465         * doc/invoke.texi: Remove documentation of dropped -d? flags.
 466         * tree-into-ssa.c: Update tree_pass descriptors.
 467         * tree-dump.c: Update tree_pass descriptors.
 468         * tree-complex.c: Update tree_pass descriptors.
 469         * tree-dump.h: Update tree_pass descriptors.
 470         * see.c: Update tree_pass descriptors.
 471         * cgraphbuild.c: Update tree_pass descriptors.
 472         * tracer.c: Update tree_pass descriptors.
 473         * tree-loop-distribution.c: Update tree_pass descriptors.
 474         * cgraph.c: Update tree_pass descriptors.
 475         * postreload-gcse.c: Update tree_pass descriptors.
 476         * postreload.c: Update tree_pass descriptors.
 477         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
 478         * tree-tailcall.c: Update tree_pass descriptors.
 479         * tree-pass.h (tree_opt_pass): Rename to ...
 480         (opt_pass) ... this one; add "type" field and remove letter field.
 481         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
 482         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
 483         all_lowering_passes): Update declaration.
 484         * ipa-cp.c: Update tree_pass descriptors.
 485         * final.c: Update tree_pass descriptors.
 486         * omp-low.c: Update tree_pass descriptors.
 487         * tree-ssa-dse.c: Update tree_pass descriptors.
 488         * ipa-reference.c: Update tree_pass descriptors.
 489         * tree-ssa-uncprop.c: Update tree_pass descriptors.
 490         * auto-inc-dec.c: Update tree_pass descriptors.
 491         * reorg.c: Update tree_pass descriptors.
 492         * cgraphunit.c: Update tree_pass descriptors.
 493         * tree-ssa-copyrename.c: Update tree_pass descriptors.
 494         * tree-ssa-ccp.c: Update tree_pass descriptors.
 495         * df-core.c: Update tree_pass descriptors.
 496         * mode-switching.c: Update tree_pass descriptors.
 497         * tree-nomudflap.c: Update tree_pass descriptors.
 498         * modulo-sched.c: Update tree_pass descriptors.
 499         * ipa-pure-const.c: Update tree_pass descriptors.
 500         * cse.c: Update tree_pass descriptors.
 501         * web.c: Update tree_pass descriptors.
 502         * tree-stdarg.c: Update tree_pass descriptors.
 503         * tree-ssa-math-opts.c: Update tree_pass descriptors.
 504         * tree-ssa-dom.c: Update tree_pass descriptors.
 505         * tree-nrv.c: Update tree_pass descriptors.
 506         * tree-ssa-alias.c: Update tree_pass descriptors.
 507         * loop-init.c: Update tree_pass descriptors.
 508         * gimple-low.c: Update tree_pass descriptors.
 509         * ipa-inline.c: Update tree_pass descriptors.
 510         * tree-ssa-sink.c: Update tree_pass descriptors.
 511         * global.c: Update tree_pass descriptors.
 512         * ifcvt.c: Update tree_pass descriptors.
 513         * jump.c: Update tree_pass descriptors.
 514         * predict.c: Update tree_pass descriptors.
 515         * tree-ssa-loop.c: Update tree_pass descriptors.
 516         * recog.c: Update tree_pass descriptors.
 517         * dse.c: Update tree_pass descriptors.
 518         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
 519         * tree-eh.c: Update tree_pass descriptors.
 520         * regmove.c: Update tree_pass descriptors.
 521         * local-alloc.c
 522         * function.c: Update tree_pass descriptors.
 523         * tree-vectorizer.c: Update tree_pass descriptors.
 524         * gcse.c: Update tree_pass descriptors.
 525         * ipa-type-escape.c: Update tree_pass descriptors.
 526         * tree-if-conv.c: Update tree_pass descriptors.
 527         * init-regs.c: Update tree_pass descriptors.
 528         * ipa.c: Update tree_pass descriptors.
 529         * tree-ssa-phiopt.c: Update tree_pass descriptors.
 530         * rtl-factoring.c: Update tree_pass descriptors.
 531         * lower-subreg.c: Update tree_pass descriptors.
 532         * bt-load.c: Update tree_pass descriptors.
 533         * tree-dfa.c: Update tree_pass descriptors.
 534         * except.c: Update tree_pass descriptors.
 535         * emit-rtl.c: Update tree_pass descriptors.
 536         * cfgexpand.c: Update tree_pass descriptors.
 537         * tree-cfgcleanup.c: Update tree_pass descriptors.
 538         * cfgcleanup.c: Update tree_pass descriptors.
 539         * tree-ssa-pre.c: Update tree_pass descriptors.
 540         * tree-sra.c: Update tree_pass descriptors.
 541         * tree-mudflap.c: Update tree_pass descriptors.
 542         * tree-ssa-copy.c: Update tree_pass descriptors.
 543         * cfglayout.c: Update tree_pass descriptors.
 544         * tree-ssa-forwprop.c: Update tree_pass descriptors.
 545         * tree-ssa-dce.c: Update tree_pass descriptors.
 546         * tree-ssa.c: Update tree_pass descriptors.
 547         * regclass.c: Update tree_pass descriptors.
 548         * integrate.c: Update tree_pass descriptors.
 549         * tree-optimize.c: Update tree_pass descriptors.
 550         * tree-ssa-phiprop.c: Update tree_pass descriptors.
 551         * tree-object-size.c: Update tree_pass descriptors.
 552         * combine.c: Update tree_pass descriptors.
 553         * tree-outof-ssa.c: Update tree_pass descriptors.
 554         * bb-reorder.c: Update tree_pass descriptors.
 555         * stack-ptr-mod.c: Update tree_pass descriptors.
 556         * var-tracking.c: Update tree_pass descriptors.
 557         * tree-profile.c: Update tree_pass descriptors.
 558         * tree-vect-generic.c: Update tree_pass descriptors.
 559         * reg-stack.c: Update tree_pass descriptors.
 560         * sched-rgn.c: Update tree_pass descriptors.
 561         * tree-ssa-structalias.c: Update tree_pass descriptors.
 562         * tree-cfg.c: Update tree_pass descriptors.
 563         * passes.c (current_pass): Update declaration.
 564         (finish_optimization_passes): Update.
 565         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
 566         (register_one_dump_file, register_dump_files_1, next_pass_1):
 567         Update arguments.
 568         (init_optimization_passes): Update handling of new types.
 569         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
 570         * ipa-struct-reorg.c: Update tree_pass descriptors.
 571         * tree-ssa-reassoc.c: Update tree_pass descriptors.
 572         * combine-stack-adj.c: Update tree_pass descriptors.
 573         * cfgrtl.c: Update tree_pass descriptors.
 574         * dce.c: Update tree_pass descriptors.
 575         * tree-ssanames.c: Update tree_pass descriptors.
 576
 577 2008-03-19  Richard Guenther  <rguenther@suse.de>
 578
 579         PR middle-end/35609
 580         * tree-ssa.c (always_executed): New global flag.
 581         (warn_uninitialized_var): If !always_executed warn with "maybe"
 582         instead of "is".
 583         (execute_early_warn_uninitialized): Compute post-dominators.
 584         Initialize always_executed before processing each basic block.
 585
 586 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
 587
 588         PR target/35504
 589         * config/i386/i386.c (x86_this_parameter): Calculate correct location
 590         of "this" pointer when "regparm = N" or "fastcall" is in effect.
 591
 592 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 593
 594         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
 595
 596 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
 597
 598         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
 599         is true.
 600         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
 601         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
 602         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
 603         target after ignore has been set, and move there also the commputation
 604         of subtarget and original_target.
 605         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
 606         (LANG_HOOKS_INITIALIZER): Remove it.
 607         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
 608
 609 2008-03-18  Richard Guenther  <rguenther@suse.de>
 610
 611         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
 612         found an expression with constants, note that in the VN for the lhs.
 613         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
 614         fold them to constants if possible.  Run cleanup_cfg if done so.
 615         (execute_pre): Return todo.
 616         (do_pre): Likewise.
 617         (execute_fre): Likewise.
 618         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
 619         of constants.
 620         (get_prop_source_stmt): Look through pointer conversions.
 621
 622 2008-03-18  Jan Hubicka  <jh@suse.cz>
 623
 624         * tree-pretty-print.c: Include predict.h.
 625         (dump_generic_node): Dump predictor.
 626         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
 627         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
 628         * gimple-low.c (lower_stmt): Likewise.
 629         * expr.c (expand_expr_real): Likewise.
 630         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
 631         them.
 632         (build_predict_expr, build_predict_expr): New.
 633         * predict.h (predictor_name, build_predict_expr): Update.
 634         * c-typeck.c (c_finish_bc_stmt): Add prediction.
 635         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
 636         * predict.def (PRED_CONTINUE): Update hitrate.
 637         * tree.def (PREDICT_EXPR): Define.
 638         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
 639         do not handle BIND_EXPR.
 640         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
 641         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
 642         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
 643         operands.
 644
 645 2008-03-18  Michael Matz  <matz@suse.de>
 646
 647         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
 648
 649 2008-03-18  Richard Guenther  <rguenther@suse.de>
 650
 651         * tree-gimple.h (is_gimple_invariant_address): Declare.
 652         (is_gimple_constant): Likewise.
 653         * tree-gimple.c (is_gimple_constant): New function.
 654         (is_gimple_invariant_address): Likewise.
 655         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
 656         and is_gimple_invariant_address.
 657         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
 658         previous change.
 659         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
 660         an addressable base.
 661
 662 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
 663
 664         PR middle-end/35611
 665         * gimplify.c (gimplify_expr): Gimplify second operand of
 666         OMP_ATOMIC_LOAD.
 667
 668 2008-03-17  Richard Guenther  <rguenther@suse.de>
 669
 670         PR tree-optimization/19637
 671         * fold-const.c (fold_unary): Remove restrictions of removing
 672         intermediate pointer-conversions (P2)(P1)P0.
 673         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
 674         conversion to void pointer.
 675         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
 676
 677 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
 678
 679         PR debug/31510
 680         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
 681         emulated thread local variables.
 682
 683 2008-03-16  Richard Guenther  <rguenther@suse.de>
 684
 685         PR middle-end/35607
 686         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
 687         expand TREE_INVARIANT operations that are not gimple invariant.
 688
 689 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
 690
 691         * doc/extend.texi (Alignment): Say that the ABI controls
 692         the __alignof__ for non-strict-alignment targets rather
 693         than being a recommendation.
 694
 695 2008-03-15  Paul Brook  <paul@codesourcery.com>
 696
 697         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
 698         annotations.
 699         (arm_output_fn_unwind): Mark functions that can not be unwound.
 700
 701 2008-03-15  Paul Brook  <paul@codesourcery.com>
 702
 703         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
 704         extension instructions.
 705
 706 2008-03-15  Richard Guenther  <rguenther@suse.de>
 707
 708         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
 709         and fold constant aggregate refs.
 710         (fold_const_aggregate_ref): Handle string constants
 711         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
 712         (evaluate_stmt): Simplify now that ccp_fold folds constant
 713         aggregate refs.
 714
 715 2008-03-15  Paul Brook  <paul@codesourcery.com>
 716
 717         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
 718         (extzv): Use gen_extzv_t2.
 719         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
 720
 721 2008-03-15  Richard Guenther  <rguenther@suse.de>
 722
 723         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
 724         (fold_const_aggregate_ref): Likewise.
 725         (get_value): Return NULL if we don't have any values.
 726         (ccp_finalize): Set const_val to NULL after freeing it.
 727         * tree-flow.h (get_symbol_constant_value): Declare.
 728         (fold_const_aggregate_ref): Likewise.
 729         * tree-ssa-sccvn.c (try_to_simplify): Use them.
 730
 731 2008-03-15  Richard Guenther  <rguenther@suse.de>
 732
 733         PR middle-end/35593
 734         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
 735         to not produce negative array indices if not allowed.  Add
 736         parameter to indicate that.
 737         (maybe_fold_offset_to_component_ref): Allow negative array
 738         indices only for the first member of a structure.
 739         (maybe_fold_offset_to_reference): Allow negative array indices.
 740         (maybe_fold_stmt_addition): Likewise.
 741
 742 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
 743             Anatoly Sokolov <aesok@post.ru>
 744
 745         * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
 746         (avr_arch): Add ARCH_AVR6.
 747         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
 748         (initial_elimination_offset): Initialize and use 'avr_pc_size'
 749         instead of fixed value 2.
 750         (print_operand_address): Use gs() asm specifier instead of pm().
 751         (avr_assemble_integer): (Ditto.).
 752         (avr_output_addr_vec_elt): (Ditto.).
 753         (print_operand): Handle "!" code.
 754         * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
 755         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
 756         (AVR_HAVE_EIJMP_EICALL): Define.
 757         (AVR_3_BYTE_PC): Redefine.
 758         (AVR_2_BYTE_PC): (Ditto.).
 759         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
 760         (LINK_SPEC): Add atmega2560 and atmega2561.
 761         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
 762         (crtm2561.o).
 763         * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
 764         for 3 byte PC devices.
 765         (call_value_insn): (Ditto.).
 766         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
 767         (indirect_jump): Use only for for 2 byte PC devices.
 768         (*tablejump): (Ditto.).
 769         (*indirect_jump_avr6): Add insn.
 770         (*tablejump_rjmp): Don't use for 3 byte PC devices.
 771         * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
 772         instead of ijmp for 3 byte PC devices.
 773         (__tablejump2__): (Ditto.).
 774         * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
 775         (MULITLIB_DIRNAMES): (Ditto.).
 776         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
 777
 778 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
 779
 780         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
 781         "sse2_umulsidi3".  Use V1DI mode for operand 0.
 782         ("mmx_psadbw"): Use V1DI mode for operand 0.
 783         * config/i386/i386-modes.def (V1SI): New vector mode.
 784         * config/i386/i386.c (struct builtin_description)
 785         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
 786         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
 787         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
 788         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
 789         v1di_ftype_v8qi_v8qi type.
 790         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
 791
 792         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
 793         __builtin_ia32_pmuludq]: Fix the mode of return value.
 794
 795 2008-03-15  Richard Guenther  <rguenther@suse.de>
 796
 797         PR middle-end/35595
 798         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
 799         being a PHI_NODE.
 800
 801 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
 802
 803         * doc/invoke.texi (Option Summary, Xtensa Options): Document
 804         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
 805         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
 806         unless TARGET_SERIALIZE_VOLATILE is enabled.
 807         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
 808         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
 809         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
 810
 811 2008-03-14  Richard Guenther  <rguenther@suse.de>
 812
 813         PR tree-optimization/34172
 814         * tree-flow.h (refs_may_alias_p): Declare.
 815         (get_single_def_stmt): Likewise.
 816         (get_single_def_stmt_from_phi): Likewise.
 817         (get_single_def_stmt_with_phi): Likewise.
 818         * tree-dfa.c (refs_may_alias_p): New function.
 819         (get_single_def_stmt): Likewise.
 820         (get_single_def_stmt_from_phi): Likewise.
 821         (get_single_def_stmt_with_phi): Likewise.
 822         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
 823         (vn_reference_lookup_1): New helper function.
 824         (vn_reference_lookup): Walk the virtual use-def chain to
 825         continue searching for a match if the def does not alias the
 826         reference we are looking for.
 827
 828 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
 829
 830         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
 831         archive and Perzl.  Update The Written Word listing.
 832
 833 2008-03-14  Richard Guenther  <rguenther@suse.de>
 834
 835         PR tree-optimization/34043
 836         PR tree-optimization/33989
 837         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
 838         when doing FRE.
 839         (bitmap_find_leader): Use extra argument to verify dominance
 840         relationship inside a basic-block.
 841         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
 842         (find_leader_in_sets): Adjust.
 843         (create_component_ref_by_pieces): Take extra argument for
 844         dominance check, handle lookup failures.
 845         (find_or_generate_expression): Likewise.
 846         (create_expression_by_pieces): Likewise.
 847         (insert_into_preds_of_block): Adjust.
 848         (create_value_expr_from): If asked for, verify all operands
 849         are in the blocks AVAIL_OUT set.
 850         (make_values_for_stmt): Check for SSA_NAMEs that are life
 851         over an abnormal edge.
 852         (compute_avail): Remove such check.
 853         (do_SCCVN_insertion): New function.
 854         (eliminate): If we do not find a leader suitable for replacement
 855         insert a replacement expression from SCCVN if available.
 856         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
 857         (struct vn_ssa_aux): Add needs_insertion flag.
 858         * tree-ssa-sccvn.c (may_insert): New global flag.
 859         (copy_reference_ops_from_ref): Value-number union member access
 860         based on its size, not type and member if insertion is allowed.
 861         (visit_reference_op_load): For a weak match from union type
 862         punning lookup a view-converted value and insert a SSA_NAME
 863         for that value if that is not found.
 864         (visit_use): Make dumps shorter.  Do not disallow value numbering
 865         SSA_NAMEs that are life over an abnormal edge to constants.
 866         (free_scc_vn): Release inserted SSA_NAMEs.
 867         (run_scc_vn): New flag to specify whether insertion is allowed.
 868         Process SSA_NAMEs in forward order.
 869         * tree-ssa-loop-im.c (for_each_index): Handle invariant
 870         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
 871         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
 872         pointer type to/from integral types that do not change the
 873         precision to regular conversions.
 874
 875 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 876
 877         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
 878         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
 879         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
 880         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
 881         input arguments and the mode of return value.  Built-in functions
 882         that operate on whole 64-bit MMX register now use V1DI mode.
 883
 884 2008-03-13  Alon Dayan  <alond@il.ibm.com>
 885             Olga Golovanevsky  <olga@il.ibm.com>
 886
 887         PR tree-optimization/35041
 888         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
 889         to locate the right position in a statement.
 890
 891 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
 892
 893         PR target/34000
 894         PR target/35553
 895         * config/i386/xmmintrin.h:  Change all static inline functions to
 896         extern inline and add __gnu_inline__ attribute.
 897         * config/i386/bmintrin.h: Ditto.
 898         * config/i386/smmintrin.h: Ditto.
 899         * config/i386/tmmintrin.h: Ditto.
 900         * config/i386/mmintrin-common.h: Ditto.
 901         * config/i386/ammintrin.h: Ditto.
 902         * config/i386/emmintrin.h: Ditto.
 903         * config/i386/pmmintrin.h: Ditto.
 904         * config/i386/mmintrin.h: Ditto.
 905         * config/i386/mm3dnow.h: Ditto.
 906
 907 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
 908
 909         PR middle-end/35185
 910         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
 911         (lower_omp_2): New function.
 912         (lower_omp_1, lower_omp): Rewritten.
 913
 914 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
 915
 916         PR 35054
 917         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
 918         with the phrase "Microsoft Windows compilers".
 919         (Push/Pop Macro Pragmas): New subsection. Document
 920         #pragma push_macro and pragma pop_macro.
 921
 922 2008-03-12  Paul Brook  <paul@codesourcery.com>
 923
 924         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
 925
 926 2008-03-12  Paul Brook  <paul@codesourcery.com>
 927
 928         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
 929         (thumb2_alusi3_short): Exclude PLUS and MINUS.
 930         (thumb2_addsi_shortim): Rename ...
 931         (thumb2_addsi_short): ... to this.  Allow register operands.
 932         (thumb2_subsi_short): New pattern.
 933         (thumb2_one_cmplsi2_short,
 934         thumb2_negsi2_short): New patterns and peepholes.
 935
 936 2008-03-12  Paul Brook  <paul@codesourcery.com>
 937
 938         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
 939
 940 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
 941
 942         * config/i386/i386.md (int_cond): New code iterator.
 943         (fp_cond): Ditto.
 944         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
 945         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
 946         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
 947         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
 948         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
 949         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
 950         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
 951         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
 952
 953 2008-03-12  Paul Brook  <paul@codesourcery.com>
 954
 955         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
 956         instead of {arm,thumb}_compute_save_reg_mask.
 957         (output_return_instruction): Ditto.
 958         (thumb_unexpanded_epilogue): Ditto.
 959         (thumb1_expand_prologue): Ditto.
 960         (thumb1_output_function_prologue): Ditto.
 961         (arm_set_return_address): Ditto.
 962         (thumb_set_return_address): Ditto.
 963         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
 964         regs to achieve stack alignment.
 965         (thumb1_compute_save_reg_mask): Fix compiler warning.
 966         (arm_output_epilogue): Use offsets->saved_regs_mask.
 967         Adjust stack pointer by poping call clobered registers.
 968         (arm_expand_prologue): Use offsets->saved_regs_mask.
 969         Adjust stack pointer by pushing extra registers.
 970         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
 971
 972 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
 973
 974         PR tree-opt/35422
 975         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
 976         conversion to the operands of a multiplication.
 977
 978 2008-03-12  Richard Guenther  <rguenther@suse.de>
 979
 980         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
 981         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
 982         * timevar.def (TV_TREE_PHIPROP): Add.
 983         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
 984         pass description.  Use TV_TREE_PHIPROP.
 985         * tree-ssa-forwprop.c: Remove phiprop code.
 986
 987 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
 988
 989         PR middle-end/35549
 990         * omp-low.c (maybe_lookup_decl): Constify first argument.
 991         (use_pointer_for_field): Change last argument from bool to
 992         omp_context *.  Disallow shared copy-in/out in nested
 993         parallel if decl is shared in outer parallel too.
 994         (build_outer_var_ref, scan_sharing_clauses,
 995         lower_rec_input_clauses, lower_copyprivate_clauses,
 996         lower_send_clauses, lower_send_shared_vars): Adjust callers.
 997
 998 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
 999             Ira Rosen  <irar@il.ibm.com>
1000
1001         * tree-vectorizer.c (free_stmt_vec_info): New function.
1002         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
1003         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
1004         * tree-vectorizer.h (free_stmt_vec_info): Declare.
1005         * tree-vect-transform.c (vectorizable_conversion): Free
1006         vec_oprnds0 if it was allocated.
1007         (vect_permute_store_chain): Remove unused VECs.
1008         (vectorizable_store): Free VECs that are allocated in the..
1009         function.
1010         (vect_transform_strided_load, vectorizable_load): Likewise.
1011         (vect_remove_stores): Simplify the code.
1012         (vect_transform_loop): Move code to vect_remove_stores().
1013         Call vect_remove_stores() and free_stmt_vec_info().
1014
1015 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1016
1017         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
1018         TARGET_HPUX.  Revise comment.
1019         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
1020         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
1021         Use sr4 variant of `be' instruction when not generating PIC code.
1022         (attr_length_call): Adjust for above change.
1023
1024 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1025
1026         * ipa-reference.c (static_execute): Remove module_statics_const and
1027         associated setting code.
1028
1029 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1030
1031         PR target/35540
1032         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
1033         predicate for operand 1.
1034         (paritysi2_cmp): Use register_operand predicate for operand 2.
1035         Use earlyclobber modifier for operand 1.  Remove support for
1036         memory operands.
1037         (paritydi2_cmp): Use register_operand predicate for operand 3.
1038         Use earlyclobber modifier for operand 1.  Remove support for
1039         memory operands.
1040
1041 2008-03-11  Paul Brook  <paul@codesourcery.com>
1042             Vladimir Prus  <vladimir@codesourcery.com>
1043
1044         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
1045         (arm_compute_save_reg0_reg12_mask): Always
1046         check if register 11 must be saved.  Always safe hard frame pointer
1047         when frame_pointer_needeed.
1048         (arm_compute_save_reg_mask): Save IP and PC
1049         only with apcs frames.
1050         (arm_output_epilogue): Adjust Thumb2 codepath to
1051         be also invoked and work for ARM non-apcs frames.
1052         (arm_expand_prologue): Don't bother saving IP
1053         for non-apcs frame, since it's not clobbered by
1054         prologue code.  Implement non-apcs frame
1055         layout.
1056
1057 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1058
1059         PR rtl-optimization/35281
1060         * expr.c (convert_move): Use a new pseudo for the intermediate
1061         from_mode->word_mode result.
1062
1063 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
1064
1065         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
1066         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
1067         * toplev.c (compile_file): Don't call it.
1068
1069 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
1070
1071         PR middle-end/35526
1072         * expr.c (store_expr): Call emit_block_move if the mode
1073         of "temp" RTX is BLKmode.
1074
1075 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1076             Richard Guenther  <rguenther@suse.de>
1077
1078         PR tree-optimization/31358
1079         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
1080         the step with a NULL_TREE.
1081         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
1082         to sizetype if type is a pointer type.
1083         (add_candidate_1): Don't convert the base and step to
1084         the generic type if the orginal type is a pointer type.
1085         (add_iv_value_candidates): Use sizetype for the step
1086         if type is a pointer type.
1087         (cand_value_at): Likewise.
1088         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
1089         for pointer types.
1090         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
1091         Don't convert the tem affine to the type.
1092         (add_elt_to_tree): Use sizetype for the step if a pointer.
1093         Use POINTER_PLUS_EXPR for pointers.
1094         (aff_combination_to_tree): Use sizetype for the step if a
1095         pointer.
1096
1097 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
1098
1099         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
1100         Remove commutativity hint.
1101
1102 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
1103
1104         PR c/35438
1105         PR c/35439
1106         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
1107         errorneous type.  Check that v is a VAR_DECL.
1108
1109         PR middle-end/35099
1110         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
1111
1112 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
1113
1114         PR tree-optimization/35494
1115         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
1116         may be overriden at link and run time.
1117
1118 2008-03-10  Richard Guenther  <rguenther@suse.de>
1119
1120         PR tree-optimization/34677
1121         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
1122         (poolify_tree): Likewise.
1123         (modify_expr_template): Likewise.
1124         (poolify_modify_stmt): Likewise.
1125         (insert_fake_stores): Handle all component-ref style stores
1126         in addition to INDIRECT_REF.  Also handle complex types.
1127         Do not poolify the inserted load.
1128         (realify_fake_stores): Do not rebuild the tree but only
1129         make it a SSA_NAME copy.
1130         (init_pre): Remove initialzation of modify_expr_template.
1131         Do not allocate modify_expr_node_pool.
1132         (fini_pre): Do not free modify_expr_node_pool.
1133
1134 2008-03-10  Paul Brook  <paul@codesourcery.com>
1135
1136         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
1137         to avoid conflicts.
1138
1139 2008-03-10  Paul Brook  <paul@codesourcery.com>
1140             Mark Shinwell  <shinwell@codesourcery.com>
1141
1142         * config/arm/cortex-r4.md: New.
1143         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
1144         insn attributes.
1145         * config/arm/arm.md: Include cortex-r4.md.
1146         (insn): Add smmls, sdiv and udiv values.
1147         (generic_sched): Don't use generic scheduling for Cortex-R4.
1148         (arm_issue_rate): New function.
1149         (TARGET_SCHED_ISSUE_RATE): Define.
1150
1151 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
1152
1153         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
1154
1155 2008-03-10  Richard Guenther  <rguenther@suse.de>
1156
1157         * tree-ssa-pre.c (get_sccvn_value): Simplify.
1158         (compute_avail): Do not add stmt uses to AVAIL_OUT.
1159
1160 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
1161
1162         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
1163         Set default to true.
1164
1165 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1166
1167         * c.opt (Wsynth): Deprecate.
1168         * doc/invoke.texi (Option Summary, Warning Options): Document
1169         -Wno-format-contains-nul.
1170
1171 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
1172
1173         PR target/35496
1174         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
1175         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
1176
1177 2008-03-09  Ira Rosen  <irar@il.ibm.com>
1178
1179         * config/rs6000/rs6000.c (builtin_description): Rename vector
1180         left shift operations.
1181         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
1182         (altivec_vsl<VI_char>): Rename to ...
1183         (ashl<mode>3): ... new name.
1184         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
1185         gen_ashlv4si3.
1186         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
1187
1188 2008-03-08  Richard Guenther  <rguenther@suse.de>
1189
1190         * coverage.h (tree_coverage_counter_addr): Declare.
1191         * coverage.c (tree_coverage_counter_addr): New function.
1192         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
1193         before using again.
1194         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
1195         (tree_gen_one_value_profiler): Likewise.
1196         (tree_gen_ic_profiler): Likewise.
1197         (tree_gen_average_profiler): Likewise.
1198         (tree_gen_ior_profiler): Likewise.
1199
1200 2008-03-08  Richard Guenther  <rguenther@suse.de>
1201
1202         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
1203         (vn_binary_op_insert): Likewise.
1204         (vn_unary_op_lookup): Likewise.
1205         (vn_unary_op_insert): Likewise.
1206         (vn_nary_op_lookup): Declare.
1207         (vn_nary_op_insert): Likewise.
1208         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
1209         and binary hashes, use a single obstack for unary_op_pool
1210         and binary_op_pool.
1211         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
1212         a single struct vn_nary_op_s.  Store tree code length and
1213         a variable number of operands.
1214         (struct vn_reference_op_struct): Remove unused op2.
1215         (vn_reference_op_eq): Do not compare op2.
1216         (vn_reference_op_compute_hash): Do not compute hash of op2.
1217         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
1218         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
1219         with vn_nary_op_compute_hash.
1220         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
1221         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
1222         vn_nary_op_lookup.
1223         (vn_unary_op_insert, vn_binary_op_insert): Replace with
1224         vn_nary_op_insert.
1225         (visit_unary_op): Call nary functions.
1226         (visit_binary_op): Likewise.
1227         (process_scc): Adjust for struct vn_tables_s changes.
1228         (allocate_vn_table): Likewise.
1229         (free_vn_table): Likewise.
1230         * tree-vn.c (vn_add): Call nary functions.
1231         (vn_lookup): Likewise.
1232
1233 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
1234
1235         PR target/35498
1236         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
1237         wdst back after sync_compare_and_swapqhi_internal.
1238
1239 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
1240
1241         PR target/22152
1242         * config/i386/i386-modes.def (V1DI): New vector mode.
1243         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
1244         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
1245         (MMXMODE248): Ditto.
1246         (MMXMODE): Add V1DI mode.
1247         (mmxvecsize): Change DI mode to V1DI mode.
1248         ("mov<mode>): Use MMXMODEI8 mode iterator.
1249         ("*mov<mode>_internal_rex64"): Ditto.
1250         ("*mov<mode>_internal"): Ditto.
1251         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
1252         ("mmx_sub<mode>3"): Ditto.
1253         ("mmx_adddi3"): Remove insn pattern.
1254         ("mmx_subdi3"): Ditto.
1255         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
1256         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
1257         ("mmx_ashl<mode>3"): Ditto.
1258         ("mmx_lshrdi3"): Remove insn pattern.
1259         ("mmx_ashldi3"): Ditto.
1260         * config/i386/i386.c (classify_argument): Handle V1DImode.
1261         (function_arg_advance_32): Ditto.
1262         (function_arg_32): Ditto.
1263         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
1264         mmx_addv1di3 insn pattern.
1265         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
1266         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
1267         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
1268         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
1269         Remove definitions of built-in functions.
1270         (V1DI_type_node): New node.
1271         (v1di_ftype_v1di_int): Ditto.
1272         (v1di_ftype_v1di_v1di): Ditto.
1273         (v2si_ftype_v2si_si): Ditto.
1274         (v4hi_ftype_v4hi_di): Remove node.
1275         (v2si_ftype_v2si_di): Ditto.
1276         (ix86_init_mmx_sse_builtins): Handle V1DImode.
1277         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
1278         Redefine builtins using def_builtin_const with *_ftype_*_int node.
1279         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
1280         Add new builtins using def_builtin_const.
1281         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
1282         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
1283         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
1284         * config/i386/mmintrin.h (__v1di): New typedef.
1285         (_mm_add_si64): Cast arguments to __v1di type.
1286         (_mm_sub_si64): Ditto.
1287         (_mm_sll_pi16): Cast __count to __v4hi type.
1288         (_mm_sll_pi32): Cast __count to __v2si type.
1289         (_mm_sll_si64): Cast arguments to __v1di type.
1290         (_mm_srl_pi16): Cast __count to __v4hi type.
1291         (_mm_srl_pi32): Cast __count to __v2si type.
1292         (_mm_srl_si64): Cast arguments to __v1di type.
1293         (_mm_sra_pi16): Cast __count to __v4hi type.
1294         (_mm_sra_pi32): Cast __count to __v2si type.
1295         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
1296         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
1297         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
1298         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
1299         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
1300         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
1301         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
1302         (_mm_srai_pi32): Use __builtin_ia32_psradi.
1303         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
1304         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
1305         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
1306         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
1307
1308 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
1309
1310         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
1311
1312 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
1313
1314         PR target/35373
1315         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
1316         reg+const addressing for Altivec modes.  Don't generate reg+reg
1317         addressing for TFmode or TDmode quantities.
1318
1319 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
1320
1321         * c-common.c (vector_types_convertible_p): Call langhook
1322         instead of comptypes.
1323
1324 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1325
1326         PR tree-opt/35402
1327         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
1328         integral and scalar float variables which have a
1329         NULL DECL_INITIAL.
1330
1331 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
1332
1333         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
1334         dwarf_register_span hook when emitting unwind information for
1335         register-to-memory saves.
1336         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
1337         (rs6000_frame_related): Remove call to spe_synthesize_frame.
1338
1339 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
1340
1341         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
1342         for the same VAR_DECL.
1343
1344 2008-03-06  Tom Tromey  <tromey@redhat.com>
1345
1346         * treelang: Delete.
1347         * doc/standards.texi (Standards): Don't mention treelang.
1348         * doc/invoke.texi (Overall Options): Don't mention treelang.
1349         * doc/install.texi (Prerequisites): Don't mention bison or
1350         treelang.
1351         (Configuration): Don't mention treelang.
1352         (Building): Likewise.
1353         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
1354
1355 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
1356
1357         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
1358         word-extractions out of a multi-word object.
1359
1360 2008-03-06  Richard Guenther  <rguenther@suse.de>
1361
1362         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
1363         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
1364         result type and precision.
1365         * expr.c (get_inner_reference): Set unsignedp based on the result
1366         type of BIT_FIELD_REF.
1367         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
1368         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
1369         (try_instantiate_multiple_fields): Likewise.  Use the correct type
1370         for BIT_FIELD_REF.
1371         (sra_build_assignment): Likewise.
1372         (sra_build_elt_assignment): Likewise.
1373         (sra_explode_bitfield_assignment): Likewise.
1374         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
1375         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
1376         set BIT_FIELD_REF_UNSIGNED.
1377         (vectorizable_load): Likewise.
1378
1379 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1380
1381         * cse.c (cse_extended_basic_block): Invalidate artificial defs
1382         at bb start.
1383
1384 2008-03-06  Richard Guenther  <rguenther@suse.de>
1385
1386         * alias.c (struct alias_set_entry): Move has_zero_child field
1387         to pack with alias_set.
1388
1389 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
1390
1391         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
1392         32bit host.
1393
1394 2008-03-05  Ian Lance Taylor  <iant@google.com>
1395
1396         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
1397
1398 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1399
1400         * fwprop.c (update_df): Support width and offset parameters of
1401         df_ref_create.
1402         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
1403         global_conflicts): Change DF_REF_EXTRACT to either
1404         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1405         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1406         * df-scan.c (df_ref_record, df_defs_record,
1407         df_ref_create_structure, df_def_record_1, df_uses_record,
1408         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
1409         df_bb_refs_collect, df_entry_block_defs_collect,
1410         df_exit_block_uses_collect): Support new width and offset fields.
1411         (ref_extract_pool): New storage pool.
1412         (df_free_ref): New function.
1413         (df_reg_chain_unlink, df_free_collection_rec,
1414         df_sort_and_compress_refs): Call df_free_ref.
1415         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
1416         of df_ref_extract.
1417         (df_ref_create_structure): Allocate df_ref_extract if offset and
1418         width fields are used.
1419         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
1420         (df_uses_record): Get offset and width from ZERO_EXTRACT
1421         and SIGN_EXTRACT.
1422         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
1423         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1424         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1425         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
1426         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
1427         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
1428         (df_ref_extract): New structure.
1429         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
1430         (df_ref_create): Add width and offset parameters.
1431
1432 2008-03-05  Richard Guenther  <rguenther@suse.de>
1433
1434         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1435         Use ranges_overlap_p.
1436         (offset_overlaps_with_access): Rename
1437         to ranges_overlap_p and move ...
1438         * tree-flow-inline.h (ranges_overlap_p): ... here.
1439
1440         * tree.h (get_inner_reference, handled_component_p): Update
1441         comments.
1442
1443         * tree.h (record_component_aliases, get_alias_set,
1444         alias_sets_conflict_p, alias_sets_must_conflict_p,
1445         objects_must_conflict_p): Move declarations ...
1446         * alias.h (record_component_aliases, get_alias_set,
1447         alias_sets_conflict_p, alias_sets_must_conflict_p,
1448         objects_must_conflict_p): ... here.
1449         Include coretypes.h.
1450         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
1451
1452 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
1453
1454         * cfg.c: Include tree-flow.h.
1455         (remove_edge_raw): Call redirect_edge_var_map_clear.
1456         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
1457         * tree-flow-inline.h (redirect_edge_var_map_def): New.
1458         (redirect_edge_var_map_result): New.
1459         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
1460         PENDING_STMT use with redirect_edge_var_map_*.
1461         * tree-ssa.c (edge_var_maps): New definition.
1462         (redirect_edge_var_map_add): New.
1463         (redirect_edge_var_map_clear): New.
1464         (redirect_edge_var_map_dup): New.
1465         (redirect_edge_var_map_vector): New.
1466         (redirect_edge_var_map_destroy): New.
1467         (ssa_redirect_edge): Replace PENDING_STMT use with
1468         redirect_edge_var_map_*.
1469         (flush_pending_stmts): Same.
1470         (delete_tree_ssa): Destroy edge var map.
1471         * tree-flow.h (struct _edge_var_map): New.
1472         Define edge_var_map vector type.
1473         Declare redirect_edge_var_map_* prototypes.
1474         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
1475         * tree-cfg.c (reinstall_phi_args): Replace
1476         PENDING_STMT use with redirect_edge_var_map_*.
1477
1478 2008-03-05  Richard Guenther  <rguenther@suse.de>
1479
1480         PR tree-optimization/35472
1481         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
1482         whose single use_stmt has a overlapping set of loaded and
1483         stored symbols as that use_stmt might be a noop assignment then.
1484
1485 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
1486
1487         * gthr-rtems.h: Implement __gthread_mutex_destroy.
1488
1489 2008-03-05  Richard Guenther  <rguenther@suse.de>
1490
1491         PR c++/35336
1492         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
1493         should be constants.
1494         * tree-cfg.c (verify_expr): Verify it.
1495         * fold-const.c (fold_truthop): Remove code generating
1496         BIT_FIELD_REFs of structure bases.
1497         (fold_binary): Likewise.
1498         (fold_ternary): Position and size of BIT_FIELD_REFs are
1499         always host integers.
1500         (make_bit_field_ref): Remove.
1501         (optimize_bit_field_compare): Remove.
1502         (all_ones_mask_p): Remove.
1503
1504 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
1505
1506         PR gcc/33009
1507         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
1508         (split_block_and_df_analyze): New. Split basic block and rebuild
1509         dataflow.
1510         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
1511         SPLIT_BLOCK.
1512         (split_pattern_seq): Likewise.
1513         (erase_matching_seqs): Likewise.
1514         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
1515
1516 2008-03-04  Geoff Keating  <geoffk@apple.com>
1517
1518         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
1519         declaration and code.
1520         (tree_invalid_nonnegative_warnv_p): Likewise.
1521
1522 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
1523
1524         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
1525         examples.  Truncate option-names then causing overfull hbox.
1526
1527 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1528
1529         PR target/35222
1530         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
1531         on hpux10.
1532         * configure: Rebuilt.
1533
1534 2008-03-04  Rafael Espindola  <espindola@google.com>
1535
1536         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
1537         (tree_unary_nonnegative_warnv_p): New.
1538         (tree_binary_nonnegative_warnv_p): New.
1539         (tree_single_nonnegative_warnv_p): New.
1540         (tree_invalid_nonnegative_warnv_p): New.
1541         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
1542
1543 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1544
1545         PR 28322
1546         * opts.c (handle_option): Postpone 'unknown option' errors only for
1547         warning options.
1548
1549 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
1550
1551         PR target/35453
1552         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
1553         (_SIDD_XXX): This.
1554
1555 2008-03-04  Rafael Espindola  <espindola@google.com>
1556
1557         * fold-const.c (tree_unary_nonzero_warnv_p): New.
1558         (tree_binary_nonzero_warnv_p): New.
1559         (tree_single_nonzero_warnv_p): New.
1560         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
1561
1562 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
1563
1564         PR middle-end/35456
1565         * fold-const.c (fold_cond_expr_with_comparison): Prevent
1566         transformations for modes that have signed zeros.
1567         * ifcvt.c (noce_try_abs): Ditto.
1568
1569 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
1570
1571         * config/i386/i386.c (override_options): Force
1572         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
1573
1574 2008-03-04  Jan Hubicka  <jh@suse.cz>
1575
1576         PR c++/35262
1577         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
1578         in last commit.
1579
1580 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1581
1582         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
1583         label to probe the stack.
1584
1585 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
1586
1587         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
1588         (__gthr_win32_mutex_destroy): Declare.
1589         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
1590         __gthr_win32_mutex_destroy.
1591         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
1592
1593 2008-03-03  Jan Hubicka  <jh@suse.cz>
1594
1595         PR c++/35262
1596         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
1597         aggressive on inlining cold calls.
1598
1599 2008-03-03  Richard Guenther  <rguenther@suse.de>
1600
1601         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
1602         struct copies into the expression table.
1603         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
1604         (try_to_simplify): Likewise.
1605         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
1606         integral and pointer arguments which do not change the
1607         precision to NOP_EXPRs.
1608         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
1609         VIEW_CONVERT_EXPR case.
1610
1611 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
1612
1613         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
1614         defined in a loop at depth 0 is invariant.
1615         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
1616         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
1617         be called at loop depth 0.
1618
1619 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
1620
1621         PR driver/35420
1622         * gcc.c (process_command): Update copyright notice dates.
1623         * gcov.c (print_version): Likewise.
1624         * gcov-dump.c (print_version): Likewise.
1625         * mips-tfile.c (main): Likewise.
1626         * mips-tdump.c (main): Likewise.
1627
1628 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1629
1630         PR 24924
1631         * c-common.c (flag_permissive): Delete.
1632         (constant_expression_warnings): Check flags first.
1633         (constant_expression_error): New.
1634         * c-common.h (flag_permissive): Delete.
1635         (constant_expression_error): Declare.
1636         * flags.h (flag_permissive): Declare. Update description.
1637         * diagnostic.c (pedwarn): Update.
1638         (permerror): New.
1639         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
1640         (permissive_error_kind): New.
1641         * toplev.c (flag_permissive): Define. Update description.
1642         * toplev.h (permissive_error_kind): Declare.
1643         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
1644         (pedwarn_c90): Use pedantic_warning_kind.
1645         * c-opts.c (c_common_post_options): flag_permissive does not affect
1646         flag_pedantic_errors.
1647
1648 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
1649
1650         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
1651         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
1652         __absvsi2, __absvDI2): Use unsigned arithmetic.
1653
1654 2008-03-02  Andi Kleen  <ak@suse.de>
1655             Richard Guenther  <rguenther@suse.de>
1656
1657         * struct-equiv.c: Remove file.
1658         * cfg_cleanup.c (condjump_equiv_p): Remove.
1659         * Makefile.in (OBJS-common): Remove struct-equiv.o.
1660         (struct-equiv.o): Remove rule.
1661         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
1662         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
1663         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
1664
1665 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1666
1667         * ifcvt.c (noce_process_if_block): Try to handle only the then
1668         block if the else block exists but isn't suitable.
1669
1670 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1671
1672         PR gcc/35063
1673         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
1674         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
1675         regression from previous patch.
1676
1677 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
1678
1679         PR gcc/35063
1680         * gthr.h: Add __gthread_mutex_destroy as a function that must be
1681         implemented.
1682         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
1683         * gthr-single.h (__gthread_mutex_destroy): Likewise.
1684         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
1685         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
1686         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
1687         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
1688         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
1689         (__gthread_mutex_destroy_function): Rename to
1690         __gthread_mutex_destroy.
1691         * gthr-dce.h (__gthread_mutex_destroy): Call
1692         pthread_mutex_destroy.
1693         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
1694         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
1695         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
1696
1697 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1698
1699         * df-scan.c (df_ref_chain_change_bb): Simplify.
1700         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
1701         set_block_for_insn if there's any change.
1702         * df.h ((df_insn_change_bb): Fix prototype.
1703         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
1704         df_insn_change_bb, don't call set_block_for_insn.
1705         * emit-rtl.c (reorder_insns): Likewise.
1706         * haifa-sched.c (move_insn): Likewise.
1707
1708 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1709
1710         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
1711
1712 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
1713
1714         * tree-flow-inline.h (next_readonly_imm_use): Return
1715         NULL_USE_OPERAND_P after the end.
1716
1717 2008-03-01  Richard Guenther  <rguenther@suse.de>
1718
1719         PR tree-optimization/35411
1720         * tree-sra.c (sra_build_assignment): Split conversion to
1721         final type to a separate statement if we are not assigning
1722         to a register.
1723
1724 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
1725
1726         * fold-const.c (fold_convertible_p): Correct the logic to follow
1727         that in fold_convert().
1728
1729 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
1730
1731         PR c++/35315
1732         * tree-inline.c (build_duplicate_type): When we make a
1733         duplicate type, make it unique in the canonical types system.
1734
1735 2008-02-29  Tom Tromey  <tromey@redhat.com>
1736
1737         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
1738         input_file_stack_history, input_file_stack_restored): Remove.
1739         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1740         * input.h (struct file_stack): Remove.
1741         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
1742         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
1743         Likewise.
1744         * diagnostic.h (struct diagnostic_context) <last_module>: Change
1745         type.
1746         (diagnostic_last_module_changed): Add 'map' argument.
1747         (diagnostic_set_last_function): Likewise.
1748         * diagnostic.c (undiagnostic_report_current_module): Iterate using
1749         line map, not input_file_stack.
1750         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
1751
1752 2008-02-29  Paul Brook  <paul@codesourcery.com>
1753
1754         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
1755
1756 2008-02-29  Paul Brook  <paul@codesourcery.com>
1757
1758         * config/arm/ieee754-df.S (muldf3): Use RET macros.
1759
1760 2008-02-29  Richard Guenther  <rguenther@suse.de>
1761
1762         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
1763         vn_lookup_or_add.
1764         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
1765         value for comparing for a store match.
1766         (simplify_unary_expression): Do nothing for SSA_NAMEs.
1767         (try_to_simplify): Do not do a full-blown reference lookup.
1768
1769 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1770
1771         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
1772         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1773
1774         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
1775
1776 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
1777
1778         * tree-loop-linear.c (try_interchange_loops): Compare memory access
1779         strides against cache sizes.
1780
1781 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
1782
1783         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
1784         constant to fpul.
1785
1786 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
1787
1788         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
1789         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
1790         is smaller than the original promoted value.
1791         (simplify_subreg): If OP is a SUBREG, try to preserve its
1792         SUBREG_PROMOTED_VAR_P information.
1793
1794 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
1795
1796         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
1797         (VN_INFO_GET): Allocate new objects on the obstack.
1798         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
1799         for rpo_numbers_temp, for consistency.
1800         (free_scc_vn): Free the obstack.
1801
1802 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
1803
1804         * doc/invoke.texi: Document -ftree-loop-distribution.
1805         * tree-loop-distribution.c: New.
1806         * tree-pass.h (pass_loop_distribution): New.
1807         * graphds.h (struct graph): Add htab_t indices.
1808         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
1809         * tree-vectorizer.c (rename_variables_in_loop): Extern.
1810         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
1811         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
1812         * tree-data-ref.c (debug_data_dependence_relations): New.
1813         (dump_data_dependence_relation): Also print data references.
1814         (free_data_ref): Extern.
1815         (same_access_functions): Moved...
1816         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
1817         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1818         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
1819         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
1820         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
1821         (stmts_from_loop): Skip LABEL_EXPR.
1822         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
1823         New.
1824         (build_rdg): Initialize rdg->indices htab.
1825         (free_rdg, stores_from_loop, ref_base_address,
1826         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
1827         have_similar_memory_accesses_1, ref_base_address_1,
1828         remove_similar_memory_refs): New.
1829         * tree-data-ref.h: Depend on tree-chrec.h.
1830         (debug_data_dependence_relations, free_data_ref): Declared.
1831         (same_access_functions): ... here.
1832         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
1833         New.
1834         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
1835         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
1836         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
1837         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
1838         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
1839         rdg_vertex_for_stmt): Declared.
1840         (struct rdg_edge): Add level.
1841         (RDGE_LEVEL): New.
1842         (free_rdg, stores_from_loop, remove_similar_memory_refs,
1843         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
1844         Declared.
1845         (rdg_has_similar_memory_accesses): New.
1846         * tree-vect-analyze.c: Remove unused static decls.
1847         * lambda.h (dependence_level): New.
1848         * common.opt (ftree-loop-distribution): New.
1849         * tree-flow.h (mark_virtual_ops_in_bb,
1850         slpeel_tree_duplicate_loop_to_edge_cfg,
1851         rename_variables_in_loop): Declared.
1852         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
1853         (OBJS-common): Add tree-loop-distribution.o.
1854         (tree-loop-distribution.o): New rule.
1855         * tree-cfg.c (mark_virtual_ops_in_bb): New.
1856         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
1857         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
1858
1859 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
1860
1861         PR target/33963
1862         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
1863         other than structures and unions.
1864
1865 2008-02-28  Richard Guenther  <rguenther@suse.de>
1866
1867         Revert:
1868         2008-02-26  Richard Guenther  <rguenther@suse.de>
1869
1870         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
1871         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
1872         (lookup_decl_from_uid): Declare.
1873         (remove_decl_from_map): Likewise.
1874         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
1875         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
1876         (decl_for_uid_map): New global hashtable mapping DECL_UID
1877         to the decl tree.
1878         (init_ttree): Allocate it.
1879         (insert_decl_to_uid_decl_map): New helper function.
1880         (make_node_stat): Insert new decls into the map.
1881         (copy_node_stat): Likewise.
1882         (lookup_decl_from_uid): New function.
1883         (remove_decl_from_map): Likewise.
1884         (print_decl_for_uid_map_statistics): New helper.
1885         (dump_tree_statistics): Call it.
1886
1887         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
1888         (referenced_var_iterator): Adjust.
1889         (FOR_EACH_REFERENCED_VAR): Adjust.
1890         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
1891         (num_referenced_vars): Adjust.
1892         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
1893         (first_referenced_var): Remove.
1894         (end_referenced_vars_p): Likewise.
1895         (next_referenced_var): Likewise.
1896         (referenced_var_iterator_set): New helper function.
1897         * tree-dfa.c (referenced_var_lookup): Adjust.
1898         (referenced_var_check_and_insert): Likewise.
1899         (remove_referenced_var): Likewise.
1900         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
1901         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1902         (verify_call_clobbering): Likewise.
1903         (verify_memory_partitions): Likewise.
1904         (init_tree_ssa): Allocate bitmap instead of hashtable for
1905         referenced_vars.
1906         (delete_tree_ssa): Adjust.
1907         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
1908         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
1909         (compute_tag_properties): Likewise.
1910         (set_initial_properties): Likewise.
1911         (find_partition_for): Likewise.
1912         (update_reference_counts): Likewise.
1913         (dump_may_aliases_for): Likewise.
1914         * tree-ssa-operands.c (add_virtual_operand): Likewise.
1915         (add_call_clobber_ops): Likewise.
1916         (add_call_read_ops): Likewise.
1917         (get_asm_expr_operands): Likewise.
1918         * tree-into-ssa.c (dump_decl_set): Likewise.
1919         (update_ssa): Likewise.
1920         * tree-sra.c (scan_function): Likewise.
1921         (decide_instantiations): Likewise.
1922         (scalarize_parms): Likewise.
1923         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
1924         (dsa_named_for): Likewise.
1925         * tree-ssa-structalias.c (update_alias_info): Likewise.
1926         (merge_smts_into): Likewise.
1927
1928 2008-02-27  David Daney  <ddaney@avtrex.com>
1929
1930         PR target/34409
1931         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
1932         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
1933         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
1934         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
1935         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
1936
1937 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
1938
1939         PR target/25477
1940         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
1941         (BUILT_IN_NEXTTOWARD): Remove.
1942         (BUILT_IN_NEXTTOWARDF): Ditto.
1943         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
1944         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
1945
1946 2008-02-27  Tom Tromey  <tromey@redhat.com>
1947
1948         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
1949         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
1950
1951 2008-02-27  Jan Beulich  <jbeulich@novell.com>
1952
1953         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
1954         update the respective field on newdecl.
1955
1956 2008-02-27  Revital Eres  <eres@il.ibm.com>
1957
1958         PR rtl-optimization/34999
1959         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
1960         crossing edges that ends with a call insn.
1961         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
1962         call insn and clear the EDGE_CROSSING flag of the crossing edge
1963         when fixing fallthru edges.
1964
1965 2008-02-27  Richard Guenther  <rguenther@suse.de>
1966
1967         PR middle-end/35390
1968         * fold-const.c (fold_unary): Return the correct argument,
1969         converted to the result type.
1970
1971 2008-02-27  Richard Guenther  <rguenther@suse.de>
1972
1973         PR middle-end/34971
1974         * expr.c (expand_expr_real_1): Assert on rotates that operate
1975         on partial modes.
1976         * fold-const.c (fold_binary): Use the types precision, not the
1977         bitsize of the mode if folding rotate expressions.  Build rotates
1978         only for full modes.
1979
1980 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
1981
1982         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
1983         and CPP_PRAGMA_EOL.
1984         * c-pragma.c (pragma_ns_name): New typedef.
1985         (registered_pp_pragmas): New variable.
1986         (c_pp_lookup_pragma): New function.
1987         (c_register_pragma_1): If flag_preprocess_only, do nothing
1988         for non-expanded pragmas, for expanded ones push pragma's
1989         namespace and name into registered_pp_pragmas vector.
1990         (c_invoke_pragma_handler): Register OpenMP pragmas even when
1991         flag_preprocess_only, don't register GCC pch_preprocess
1992         pragma if flag_preprocess_only.
1993         * c-opts.c (c_common_init): Call init_pragma even if
1994         flag_preprocess_only.
1995         * c-pragma.c (c_pp_lookup_pragma): New prototype.
1996         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
1997         cpp_register_pragma if flag_preprocess_only.
1998
1999 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2000
2001         PR c/28800
2002         * c-parser.c (c_parser_translation_unit): Warn for empty
2003         translation unit, not empty source file.
2004
2005 2008-02-26  Paul Brook  <paul@codesourcery.com>
2006
2007         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
2008         operand for Thumb-2.
2009         * config/arm/arm.h (reg_class): Add CORE_REGS.
2010         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
2011         (BASE_REG_CLASS): Use CORE_REGS.
2012         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
2013         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
2014         (REGNO_OK_FOR_INDEX_P): Exclude SP.
2015         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
2016         ARM_REGNO_OK_FOR_INDEX_P.
2017         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
2018         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
2019         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
2020         (ldm/stm peepholes): Ditto.
2021         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
2022         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
2023         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
2024         * config/arm/constraints.md: Enable "k" constraint on ARM.
2025
2026 2008-02-27  Ben Elliston  <bje@au.ibm.com>
2027
2028         * config/rs6000/rs6000.c: Annotate cache line size field in all
2029         instances of struct processor_costs.
2030
2031 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
2032
2033         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
2034         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
2035         jump_bypass): New counters.
2036         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
2037         * dce.c (gate_ud_dce): Same.
2038         (gate_fast_dce): Same.
2039         * dse.c (gate_dse1): New function.
2040         (gate_dse2): New function.
2041         (gate_dse): Merge results of new gate functions.
2042         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
2043         (gate_handle_jump_bypass): Add dbg_cnt.
2044         (gate_handle_gcse): Add dbg_cnt.
2045         * ifcvt.c (gate_handle_if_conversion): Same.
2046         (gate_handle_if_after_combine): Same.
2047         (gate_handle_if_after_reload): Same.
2048         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
2049
2050 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
2051
2052         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
2053         line sizes.
2054         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
2055
2056 2008-02-26  Jason Merrill  <jason@redhat.com>
2057
2058         PR c++/35315
2059         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
2060         alone if it's the naming decl for the type's main variant.
2061
2062 2008-02-26  Tom Tromey  <tromey@redhat.com>
2063
2064         * system.h (USE_MAPPED_LOCATION): Poison.
2065         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
2066         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
2067         (make_goto_expr_edges): Likewise.
2068         (remove_bb): Likewise.
2069         (execute_warn_function_return): Likewise.
2070         * basic-block.h (struct edge_def) <goto_locus>: Change type to
2071         location_t.
2072         * c-common.c (fname_decl): Remove old location code.
2073         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
2074         location code.
2075         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
2076         variant.
2077         (ASM_INPUT_SOURCE_LOCATION): Likewise.
2078         (gen_rtx_ASM_INPUT): Likewise.
2079         (gen_rtx_ASM_INPUT_loc): Likewise.
2080         (get_rtx_asm_OPERANDS): Remove.
2081         * cfglayout.c (insn_locators_alloc): Remove old location code.
2082         (set_curr_insn_source_location): Likewise.
2083         (curr_insn_locator): Likewise.
2084         * print-tree.c (print_node): Remove old location code.
2085         * tree-mudflap.c (mf_varname_tree): Remove old location code.
2086         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
2087         * cfgexpand.c (expand_gimple_cond_expr): Don't use
2088         location_from_locus.
2089         (construct_exit_block): Remove old location code.
2090         * emit-rtl.c (force_next_line_note): Remove old location code.
2091         * profile.c (branch_prob): Remove old location code.
2092         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
2093         LOC_LINE): Remove old-location variants.
2094         * langhooks.c (lhd_print_error_function): Remove old location
2095         code.
2096         * configure, config.in: Rebuilt.
2097         * configure.ac (--enable-mapped-location): Remove.
2098         * c-decl.c (c_init_decl_processing): Remove old location code.
2099         (finish_function): Likewise.
2100         * recog.c (decode_asm_operands): Remove old location code.
2101         * c-pch.c (c_common_read_pch): Remove old location code.
2102         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
2103         variants.
2104         * gimple-low.c (lower_function_body): Remove old location code.
2105         * toplev.c (unknown_location): Remove.
2106         (push_srcloc): Remove old-location variant.
2107         (process_options): Remove old location code.
2108         (lang_dependent_init): Likewise.
2109         * input.h (UNKNOWN_LOCATION): Move definition.
2110         (location_t): Undeprecate.
2111         (source_locus): Remove.
2112         (location_from_locus): Remove.
2113         (struct location_s): Remove.
2114         Remove all old-location code.
2115         (input_line, input_filename): Remove.
2116         * final.c (final_scan_insn): Remove old location code.
2117         * diagnostic.c (diagnostic_build_prefix): Remove
2118         USE_MAPPED_LOCATION test.
2119         * tree.h (gimple_stmt) <locus>: Now a location_t.
2120         (tree_exp) <locus>: Likewise.
2121         (DECL_IS_BUILTIN): Remove old-location variant.
2122         (annotate_with_file_line, annotate_with_locus): Likewise.
2123         (expr_locus, set_expr_locus): Update.
2124         * tree.c (build1_stat): Remove old location code.
2125         (last_annotated_node): Remove.
2126         (annotate_with_file_line): Remove old-location variant.
2127         (annotate_with_locus): Likewise.
2128         (expr_location): Remove old location code.
2129         (set_expr_location): Likewise.
2130         (expr_has_location): Likewise.
2131         (expr_locus): Likewise.
2132         (set_expr_locus): Likewise.
2133         (expr_filename): Don't use location_from_locus.
2134         (expr_lineno): Likewise.
2135         * rtl-error.c (location_for_asm): Remove old location code.
2136         * c-lex.c (cb_line_change): Remove old location code.
2137         (fe_file_change): Likewise.
2138         (cb_def_pragma): Likewise.
2139         (c_lex_with_flags): Likewise.
2140         * gengtype.c (do_typedef): Don't special-case location types.
2141         (define_location_structures): Remove.
2142         (main): Don't call define_location_structures.
2143         * tree-pretty-print.c (dump_implicit_edges): Remove old location
2144         code.
2145
2146 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2147
2148         PR 26264
2149         * builtins.def (BUILT_IN_STDARG_START): Remove.
2150         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
2151         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2152         * tree-inline.c (inline_forbidden_p_1): Likewise.
2153
2154 2008-02-26  Richard Guenther  <rguenther@suse.de>
2155
2156         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2157         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2158         (lookup_decl_from_uid): Declare.
2159         (remove_decl_from_map): Likewise.
2160         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2161         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2162         (decl_for_uid_map): New global hashtable mapping DECL_UID
2163         to the decl tree.
2164         (init_ttree): Allocate it.
2165         (insert_decl_to_uid_decl_map): New helper function.
2166         (make_node_stat): Insert new decls into the map.
2167         (copy_node_stat): Likewise.
2168         (lookup_decl_from_uid): New function.
2169         (remove_decl_from_map): Likewise.
2170         (print_decl_for_uid_map_statistics): New helper.
2171         (dump_tree_statistics): Call it.
2172
2173         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2174         (referenced_var_iterator): Adjust.
2175         (FOR_EACH_REFERENCED_VAR): Adjust.
2176         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2177         (num_referenced_vars): Adjust.
2178         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2179         (first_referenced_var): Remove.
2180         (end_referenced_vars_p): Likewise.
2181         (next_referenced_var): Likewise.
2182         (referenced_var_iterator_set): New helper function.
2183         * tree-dfa.c (referenced_var_lookup): Adjust.
2184         (referenced_var_check_and_insert): Likewise.
2185         (remove_referenced_var): Likewise.
2186         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2187         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2188         (verify_call_clobbering): Likewise.
2189         (verify_memory_partitions): Likewise.
2190         (init_tree_ssa): Allocate bitmap instead of hashtable for
2191         referenced_vars.
2192         (delete_tree_ssa): Adjust.
2193         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2194         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2195         (compute_tag_properties): Likewise.
2196         (set_initial_properties): Likewise.
2197         (find_partition_for): Likewise.
2198         (update_reference_counts): Likewise.
2199         (dump_may_aliases_for): Likewise.
2200         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2201         (add_call_clobber_ops): Likewise.
2202         (add_call_read_ops): Likewise.
2203         (get_asm_expr_operands): Likewise.
2204         * tree-into-ssa.c (dump_decl_set): Likewise.
2205         (update_ssa): Likewise.
2206         * tree-sra.c (scan_function): Likewise.
2207         (decide_instantiations): Likewise.
2208         (scalarize_parms): Likewise.
2209         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2210         (dsa_named_for): Likewise.
2211         * tree-ssa-structalias.c (update_alias_info): Likewise.
2212         (merge_smts_into): Likewise.
2213
2214 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2215
2216         PR 34351
2217         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
2218         * c-opts.c (c_common_handle_option): Wall enables
2219         Wvolatile-register-var.
2220         * common.opt: Move Wvolatile-register-var to...
2221         * c.opt: ...here.
2222
2223 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2224
2225         * common.opt (Wlarger-than=): New.
2226         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
2227         -Wlarger-than=.
2228         * opts.c (common_handle_option): Handle -Wlarger-than=.
2229         * optc-gen.awk: Likewise.
2230         * opth-gen.awk: Likewise.
2231         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
2232         * tree-optimize.c (tree_rest_of_compilation): Likewise.
2233
2234 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2235
2236         * c-common.c (match_case_to_enum_1): Add appropriate
2237         OPT_W* parameter to warning.
2238         (c_do_switch_warnings): Likewise.
2239         * c-typeck.c (warning_init): Add one more parameter following
2240         'warning' function.
2241         (push_init_level): Update call to warning_init.
2242         (pop_init_level): Likewise.
2243         (add_pending_init): Likewise.
2244         (output_init_element: Likewise.
2245
2246 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2247
2248         PR 28322
2249         * toplev.c (toplev_main): If there are warnings or error, print
2250         errors for ignored options.
2251         * opts.c (ignored_options): New static variable.
2252         (postpone_unknown_option_error): New.
2253         (print_ignored_options): New.
2254         (handle_option): Postpone errors for unknown -Wno-* options.
2255         * opts.h (print_ignored_options): Declare.
2256
2257 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
2258
2259         * config/mips/mips.md (loadgp_blockage, blockage): Change type
2260         to "ghost".
2261
2262 2008-02-25  Richard Guenther  <rguenther@suse.de>
2263
2264         Revert:
2265         2008-02-25  Richard Guenther  <rguenther@suse.de>
2266
2267         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2268         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2269         (lookup_decl_from_uid): Declare.
2270         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2271         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2272         (decl_for_uid_map): New global hashtable mapping DECL_UID
2273         to the decl tree.
2274         (init_ttree): Allocate it.
2275         (insert_decl_to_uid_decl_map): New helper function.
2276         (make_node_stat): Insert new decls into the map.
2277         (copy_node_stat): Likewise.
2278         (lookup_decl_from_uid): New function.
2279         (print_decl_for_uid_map_statistics): New helper.
2280         (dump_tree_statistics): Call it.
2281
2282         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2283         (referenced_var_iterator): Adjust.
2284         (FOR_EACH_REFERENCED_VAR): Adjust.
2285         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2286         (num_referenced_vars): Adjust.
2287         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2288         (first_referenced_var): Remove.
2289         (end_referenced_vars_p): Likewise.
2290         (next_referenced_var): Likewise.
2291         (referenced_var_iterator_set): New helper function.
2292         * tree-dfa.c (referenced_var_lookup): Adjust.
2293         (referenced_var_check_and_insert): Likewise.
2294         (remove_referenced_var): Likewise.
2295         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2296         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2297         (verify_call_clobbering): Likewise.
2298         (verify_memory_partitions): Likewise.
2299         (init_tree_ssa): Allocate bitmap instead of hashtable for
2300         referenced_vars.
2301         (delete_tree_ssa): Adjust.
2302         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2303         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2304         (compute_tag_properties): Likewise.
2305         (set_initial_properties): Likewise.
2306         (find_partition_for): Likewise.
2307         (update_reference_counts): Likewise.
2308         (dump_may_aliases_for): Likewise.
2309         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2310         (add_call_clobber_ops): Likewise.
2311         (add_call_read_ops): Likewise.
2312         (get_asm_expr_operands): Likewise.
2313         * tree-into-ssa.c (dump_decl_set): Likewise.
2314         (update_ssa): Likewise.
2315         * tree-sra.c (scan_function): Likewise.
2316         (decide_instantiations): Likewise.
2317         (scalarize_parms): Likewise.
2318         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2319         (dsa_named_for): Likewise.
2320         * tree-ssa-structalias.c (update_alias_info): Likewise.
2321         (merge_smts_into): Likewise.
2322
2323 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2324
2325         PR fortran/29549
2326         * doc/invoke.texi (-fcx-limited-range): Document new option.
2327         * toplev.c (process_options): Handle -fcx-fortran-rules.
2328         * common.opt: Add documentation for -fcx-fortran-rules.
2329
2330 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
2331
2332         PR c/35162
2333         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
2334         actual behaviour and C99.
2335
2336 2008-02-26  Ben Elliston  <bje@au.ibm.com>
2337
2338         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
2339         (ASM_CPU_POWER6_SPEC): Likewise.
2340         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
2341         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
2342         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
2343
2344 2008-02-25  Richard Guenther  <rguenther@suse.de>
2345
2346         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
2347         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
2348         (lookup_decl_from_uid): Declare.
2349         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
2350         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
2351         (decl_for_uid_map): New global hashtable mapping DECL_UID
2352         to the decl tree.
2353         (init_ttree): Allocate it.
2354         (insert_decl_to_uid_decl_map): New helper function.
2355         (make_node_stat): Insert new decls into the map.
2356         (copy_node_stat): Likewise.
2357         (lookup_decl_from_uid): New function.
2358         (print_decl_for_uid_map_statistics): New helper.
2359         (dump_tree_statistics): Call it.
2360
2361         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
2362         (referenced_var_iterator): Adjust.
2363         (FOR_EACH_REFERENCED_VAR): Adjust.
2364         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
2365         (num_referenced_vars): Adjust.
2366         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
2367         (first_referenced_var): Remove.
2368         (end_referenced_vars_p): Likewise.
2369         (next_referenced_var): Likewise.
2370         (referenced_var_iterator_set): New helper function.
2371         * tree-dfa.c (referenced_var_lookup): Adjust.
2372         (referenced_var_check_and_insert): Likewise.
2373         (remove_referenced_var): Likewise.
2374         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
2375         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2376         (verify_call_clobbering): Likewise.
2377         (verify_memory_partitions): Likewise.
2378         (init_tree_ssa): Allocate bitmap instead of hashtable for
2379         referenced_vars.
2380         (delete_tree_ssa): Adjust.
2381         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
2382         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
2383         (compute_tag_properties): Likewise.
2384         (set_initial_properties): Likewise.
2385         (find_partition_for): Likewise.
2386         (update_reference_counts): Likewise.
2387         (dump_may_aliases_for): Likewise.
2388         * tree-ssa-operands.c (add_virtual_operand): Likewise.
2389         (add_call_clobber_ops): Likewise.
2390         (add_call_read_ops): Likewise.
2391         (get_asm_expr_operands): Likewise.
2392         * tree-into-ssa.c (dump_decl_set): Likewise.
2393         (update_ssa): Likewise.
2394         * tree-sra.c (scan_function): Likewise.
2395         (decide_instantiations): Likewise.
2396         (scalarize_parms): Likewise.
2397         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
2398         (dsa_named_for): Likewise.
2399         * tree-ssa-structalias.c (update_alias_info): Likewise.
2400         (merge_smts_into): Likewise.
2401
2402 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
2403
2404         PR target/35258
2405         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
2406         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
2407         * alias.h (nonoverlapping_memrefs_p): Likewise.
2408
2409 2008-02-25  Jan Beulich  <jbeulich@novell.com>
2410
2411         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
2412         * config/i386/netware-libgcc.exp: Add __bswap?i2,
2413         __emultls_get_address, __emultls_register_common,
2414         __floatundi?f, and _Unwind_GetIPInfo.
2415         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
2416         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
2417         (gen_regparm_prefix): Likewise.
2418         (i386_nlm_encode_section_info): Sync with
2419         config/i386/winnt.c:i386_pe_encode_section_info().
2420         (i386_nlm_maybe_mangle_decl_assembler_name): New.
2421         i386_nlm_mangle_decl_assembler_name): New.
2422         (netware_override_options): New.
2423         * config/i386/netware.h (netware_override_options): Declare.
2424         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
2425         (i386_nlm_mangle_decl_assembler_name): Declare.
2426         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
2427
2428 2008-02-25  Ben Elliston  <bje@au.ibm.com>
2429
2430         PR other/32948
2431         * c-decl.c (grokdeclarator): Remove unused local variables
2432         `typedef_type' and `type_as_written'.
2433         * bb-reorder.c
2434         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
2435         unused local variable `has_hot_blocks'.
2436         (fix_crossing_conditional_branches): Remove unused local variable
2437         `prev_bb'.
2438
2439 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
2440
2441         PR middle-end/19984
2442         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
2443         using DEF_C99_BUILTIN.
2444         (BUILT_IN_NANF): Ditto.
2445         (BUILT_IN_NANL): Ditto.
2446
2447 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
2448             Revital Eres  <eres@il.ibm.com>
2449
2450         * modulo-sched.c (calculate_must_precede_follow): Address TODO
2451         regarding the order of two dependent insns in the same row.
2452
2453 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
2454
2455         * stor-layout.c (layout_decl): Do not bump the alignment of a
2456         bit-field to more than byte alignment if it is packed.
2457
2458 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
2459
2460         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
2461         e300c2 and e300c3.
2462
2463 2008-02-24  Diego Novillo  <dnovillo@google.com>
2464
2465         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
2466
2467         PR 33738
2468         * tree-vrp.c (vrp_evaluate_conditional): With
2469         -Wtype-limits, emit a warning when comparing against a
2470         constant outside the natural range of OP0's type.
2471         * c.opt (Wtype-limits): Move ...
2472         * common.opt (Wtype-limits): ... here.
2473
2474 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
2475
2476         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
2477         * config/rs6000/e300c2c3.md: New file.
2478         * config/rs6000/rs6000.c (processor_costs): Add new costs for
2479         e300c2 and e300c3.
2480         (rs6000_override_options): Add e300c2 and e300c3 cases to
2481         processor_target_table. Do not allow usage of Altivec or Spe
2482         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
2483         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
2484         * config/rs6000/rs6000.h (processor_type): Add
2485         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
2486         (ASM_CPU_SPEC): Add e300c2 and e300c3.
2487         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
2488         and ppce300c3. Include e300c2c3.md.
2489
2490 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
2491
2492         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
2493         instead of TARGET_STRICT_ALIGN.
2494
2495 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
2496
2497         * explow.c (memory_address): Assert that the generated address is
2498         valid.
2499
2500 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2501
2502         PR target/25477
2503         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
2504         * config/darwin-ppc-ldouble-patch.def: New file.
2505         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
2506         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
2507         SUBTARGET_INIT_BUILTINS if defined.
2508         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
2509         New functions.
2510
2511 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2512
2513         PR rtl-opt/33512
2514         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
2515         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
2516
2517 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2518
2519         PR pch/35027
2520         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
2521         file" warning condtional on -Winvalid-PCH.
2522
2523 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2524
2525         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
2526
2527 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
2528
2529         PR target/22076
2530         PR target/34256
2531         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
2532         prevent reload from using MMX registers.
2533         (*mov<mode>_internal): Ditto.
2534         (*movv2sf_internal_rex64): Ditto.
2535         (*movv2sf_internal): Ditto.
2536
2537 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2538
2539         PR documentation/31569
2540         * doc/install.texi2html: Use makeinfo --no-number-sections.
2541
2542 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2543
2544         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
2545         ensure that we can address an entire entity > 8 bytes.  Don't
2546         generate reg+reg addressing for such data.
2547
2548 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2549
2550         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
2551         strings when optimizing for size, unless the target cares about
2552         alignment.
2553
2554 2008-02-22  Tom Tromey  <tromey@redhat.com>
2555
2556         * regclass.c (current_pass): Remove declaration.
2557
2558 2008-02-22  Anatoly Sokolov <aesok@post.ru>
2559
2560         * config/avr/libgcc.S (__RAMPZ__): Define.
2561         (__do_copy_data): Add for devices with 128KB code memory.
2562
2563 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
2564
2565         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
2566         Use spe_abi.
2567         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
2568
2569 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
2570
2571         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
2572         GENNONACR_REGS.
2573
2574 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2575
2576         PR c/19999
2577         * c-typeck.c (build_binary_op): Warn about floating point
2578         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
2579
2580 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
2581
2582         PR target/34526
2583         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
2584         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
2585         add vrsave.
2586         (rs6000_override_options): Set altivec_abi as default, not override,
2587         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
2588         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
2589         is used; use new member spe_abi.
2590         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
2591         spe_abi and altivec_abi.
2592
2593 2008-02-22  Tomas Bily  <tbily@suse.cz>
2594
2595         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
2596
2597 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2598
2599         PR bootstrap/35273
2600         * config.build (build_file_translate): Set to `CMD //c' only if
2601         it works.
2602         * Makefile.in (build_file_translate): Improve comment.
2603
2604 2008-02-21  Jan Hubicka  <jh@suse.cz>
2605
2606         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
2607         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
2608         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
2609
2610 2008-02-21  Michael Matz  <matz@suse.de>
2611
2612         PR target/35264
2613         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
2614
2615 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
2616
2617         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
2618         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
2619         as insn constraint.
2620         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
2621         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
2622         SSE_VEC_FLOAT_MODE_P as insn constraint.
2623         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
2624         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
2625         sse4a_movntdf using MODEF mode iterator.
2626         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
2627         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
2628         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
2629         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
2630         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
2631         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
2632         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
2633
2634 2008-02-21  Richard Guenther  <rguenther@suse.de>
2635
2636         * tree.def (PAREN_EXPR): New tree code.
2637         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
2638         and PAREN_EXPR.
2639         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
2640         * expr.c (expand_expr_real_1): Likewise.
2641         * tree-inline.c (estimate_num_insns_1): Likewise.
2642         * tree-complex.c (expand_complex_move): Likewise.
2643         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
2644         as plain x.
2645
2646 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2647
2648         PR target/35225
2649         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
2650
2651 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
2652
2653         PR target/35190
2654         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
2655
2656         * config/sh/sh.c (find_barrier): Don't go past
2657         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
2658
2659 2008-02-20  DJ Delorie  <dj@redhat.com>
2660
2661         * config/h8300/h8300.md (insv): Force source operand to be a register.
2662
2663         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
2664         as a jump, not as a plain insn.
2665
2666 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
2667
2668         * doc/invoke.texi (Warning Options): Add new option
2669         -Wframe-larger-than=.
2670         (-Wframe-larger-than): Document.
2671
2672         * flags.h (warn_frame_larger_than, frame_larger_than_size):
2673         Add declarations for new option variables.
2674
2675         * final.c (final_start_function): Check the frame size
2676         before emission and issue a Wframe-larger-than warning.
2677
2678         * opts.c (warn_frame_larger_than, frame_larger_than_size):
2679         Add definitions for new option variables.
2680         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
2681
2682         * common.opt (Wframe-larger-than=): New option.
2683
2684 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2685
2686         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
2687         (<sse>_div<mode>3): Ditto.
2688         (<sse>_vmdiv<mode>3): Ditto.
2689         (<sse>_vmsqrt<mode>2): Ditto.
2690         (*smax<mode>3): Ditto.
2691         (sse5_frcz<mode>2): Ditto.
2692         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
2693         as insn constraint.
2694
2695 2008-02-20  Richard Guenther  <rguenther@suse.de>
2696
2697         PR middle-end/35265
2698         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
2699         be happy with INTEGRAL_TYPE_P.
2700
2701 2008-02-20  Richard Guenther  <rguenther@suse.de>
2702
2703         * fold-const.c (split_tree): Associate floatig-point expressions
2704         if flag_associative_math is set.
2705
2706 2008-02-20  Richard Guenther  <rguenther@suse.de>
2707
2708         * tree.h (fold_real_zero_addition_p): Declare.
2709         * fold-const.c (fold_real_zero_addition_p): Export.
2710         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
2711         floating-point operations with zero and one.
2712
2713 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
2714
2715         * doc/install.texi: Correct references to CFLAGS, replacing them
2716         with BOOT_CFLAGS.  Document flags used during bootstrap for
2717         target libraries.
2718
2719 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
2720
2721         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
2722         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
2723         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
2724         insn constraint.
2725         (smin<mode>3): Ditto from similar patterns.
2726         (smax<mode>3): Ditto.
2727         (*ieee_smin<mode>3): Ditto.
2728         (*ieee_smax<mode>3): Ditto.
2729         * config/i386/sse.md (sse): New mode attribute.
2730         (mov<mode>): Macroize expander from movv4sf and movv2df using
2731         SSEMODEF2P mode iterator.
2732         (<sse>_movnt<mode>): Ditto from similar patterns. Use
2733         SSE_VEC_FLOAT_MODE_P as insn constraint.
2734         (storent<mode>): Ditto.
2735         (storent<mode>): Macroize expander from storentsf and storentdf using
2736         MODEF mode iterator.
2737         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
2738         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
2739         (abs<mode>2): Ditto from similar patterns.
2740         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
2741         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
2742         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
2743         (<sse>_vmsqrt<mode>2): Ditto.
2744         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
2745         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
2746         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
2747         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
2748         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
2749         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
2750         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
2751         insn constraint.
2752         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
2753         iterator and SSE_FLOAT_MODE_P as insn constraint.
2754         (<sse>_ucomi): Ditto from similar patterns.
2755         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
2756         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
2757         SSE_VEC_FLOAT_MODE_P as insn constraint.
2758         (vcond<mode>): Ditto from similar patterns.
2759         (and<mode>3, *and<mode>3): Ditto.
2760         (<sse>_nand<mode>3): Ditto.
2761         (ior<mode>3, *ior<mode>3): Ditto.
2762         (xor<mode>3, *xor<mode>3): Ditto.
2763         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
2764         iterator and SSE_FLOAT_MODE_P as insn constraint.
2765         (*nand<mode>3): Ditto from similar patterns.
2766         (*ior<mode>3): Ditto.
2767         (*xor<mode>3): Ditto.
2768
2769 2008-02-20  Ira Rosen  <irar@il.ibm.com>
2770
2771         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
2772         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
2773         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
2774
2775 2008-02-19  Jan Hubicka  <jh@suse.cz>
2776
2777         * predict.c (tree_bb_level_predictions): Remove variable next
2778         mistakely introduced by previous commit.
2779
2780 2008-02-19  Jan Hubicka  <jh@suse.cz>
2781
2782         * predict.c (predict_paths_leading_to): Rewrite.
2783         (predict_paths_for_bb): New.
2784         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
2785
2786 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2787
2788         PR bootstrap/35218
2789         * Makefile.in (build_file_translate): New.
2790         (gcc-vers.texi): Use it for translating $(abs_srcdir).
2791         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
2792         * configure.ac (build_file_translate): Substitute it.
2793         * configure: Regenerate.
2794
2795 2008-02-19  Jan Hubicka  <jh@suse.cz>
2796
2797         PR rtl-optimization/34408
2798         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
2799         invalid sharing.
2800
2801 2008-02-19  Jan Hubicka  <jh@suse.cz>
2802
2803         PR middle-end/28779
2804         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
2805         call_expr.
2806
2807 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
2808
2809         PR Ada/35186
2810         * config/i386/i386-modes.def: Revert the last DI alignment
2811         change until Ada people can look into it.
2812
2813 2008-02-19  Nick Clifton  <nickc@redhat.com>
2814
2815         * opts.c (print_specific_help): Fix typo in --help text.
2816
2817 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
2818
2819         PR target/35239
2820         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
2821         32-bit inline asm without asm alternatives for host GCC < 3.0.
2822
2823 2008-02-19  Richard Guenther  <rguenther@suse.de>
2824
2825         PR tree-optimization/34989
2826         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
2827         Allow propagation to INDIRECT_REF if we can simplify only.
2828
2829 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2830
2831         * c-common.c (warn_for_collisions_1): Use appropriate option when
2832         warning.
2833
2834 2008-02-19  Nick Clifton  <nickc@redhat.com>
2835
2836         PR other/31349
2837         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
2838         (handle_options): Fix indentation.
2839         (print_filtered_help): If no language-specific options were
2840         displayed tell the user how to list all the options supported by
2841         the language's front-end.
2842         (print_specific_help): Fix indentation and remove duplicate line.
2843         (common_handle_option): Handle the -v option.
2844         For --help enable the display of undocumented options if the -v
2845         switch has been included on the command line.
2846         For --help= check for overlaps in the arguments between the option
2847         classes and the language names and issue a warning when they
2848         cannot be disambiguated.
2849         * c.opt (v): Pass on to the common option handler.
2850
2851 2008-02-19  Revital Eres  <eres@il.ibm.com>
2852
2853         * modulo-sched.c (sms_schedule): Change dump message when
2854         create_ddg function fails.
2855         (try_scheduling_node_in_cycle): Rename row to cycle.
2856         (print_partial_schedule): Rename CYCLE to ROW.
2857
2858 2008-02-19  Christian Bruel  <christian.bruel@st.com>
2859             Zdenek Dvorak  <ook@ucw.cz>
2860
2861         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
2862
2863 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2864
2865         PR target/33555
2866         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
2867         (*x86_movdicc_0_m1_se): Ditto.
2868
2869 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
2870
2871         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
2872         (CMPtype): Define as __gcc_CMPtype.
2873         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
2874         (CMPtype): Define as __gcc_CMPtype.
2875
2876 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
2877
2878         Support valgrind 3.3 for --enable-checking=valgrind.
2879         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
2880         here.
2881         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
2882         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
2883         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
2884         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
2885         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
2886         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
2887         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
2888         respectively.
2889         * ggc-zone.c: Similar.
2890         * ggc-page.c: Similar.
2891
2892 2008-02-19  Paul Brook  <paul@codesourcery.com>
2893
2894         PR target/35071
2895         * config/arm/ieee754-df.S: Fix do_it typo.
2896         * config/arm/ieee754-sf.S: Fix do_it typo.
2897
2898 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2899
2900         PR target/35189
2901         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
2902         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
2903         (OPTION_MASK_ISA_SSE_SET): Likewise.
2904         (OPTION_MASK_ISA_SSE2_SET): Likewise.
2905         (OPTION_MASK_ISA_SSE3_SET): Likewise.
2906         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
2907         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
2908         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
2909         (OPTION_MASK_ISA_SSE4_SET): Likewise.
2910         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
2911         (OPTION_MASK_ISA_SSE5_SET): Likewise.
2912         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
2913         (OPTION_MASK_ISA_MMX_UNSET): Updated.
2914         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
2915         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
2916         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
2917         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
2918         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
2919         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
2920         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
2921         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
2922         (OPTION_MASK_ISA_SSE4): Removed.
2923         (ix86_handle_option): Turn on bits in ix86_isa_flags and
2924         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
2925         (override_options): Don't turn on implied SSE/MMX bits in
2926         ix86_isa_flags.
2927
2928 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2929
2930         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2931         32bit host.
2932
2933 2008-02-18  Joey Ye  <joey.ye@intel.com>
2934
2935         PR middle-end/34921
2936         * tree-nested.c (insert_field_into_struct): Set type alignment
2937         to field alignment if the former is less than the latter.
2938
2939 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
2940
2941         * BASE-VER: Set to 4.4.0.
2942
2943 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2944
2945         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
2946         * doc/cfg.texi: Likewise.
2947         * doc/extend.texi: Likewise.
2948         * doc/gty.texi: Likewise.
2949         * doc/invoke.texi: Likewise.
2950         * doc/loop.texi: Likewise.
2951         * doc/md.texi: Likewise.
2952         * doc/passes.texi: Likewise.
2953         * doc/rtl.texi: Likewise.
2954         * doc/sourcebuild.texi: Likewise.
2955         * doc/tm.texi: Likewise.
2956         * doc/tree-ssa.texi: Likewise.
2957
2958 2008-02-17  Richard Guenther  <rguenther@suse.de>
2959
2960         PR middle-end/35227
2961         * tree-complex.c (init_parameter_lattice_values): Handle parameters
2962         without default definition.
2963
2964 2008-02-17  Richard Guenther  <rguenther@suse.de>
2965
2966         PR tree-optimization/35231
2967         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
2968         if A | B != 1.
2969
2970 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
2971
2972         Revert:
2973         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
2974         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
2975         libgcc_cmp_return mode.
2976
2977 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2978
2979         PR c/28368
2980         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
2981
2982 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
2983
2984         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
2985         multilibs.
2986
2987 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2988
2989         * doc/c-tree.texi: Use `@.' where appropriate.
2990         * doc/extend.texi: Likewise.
2991         * doc/install.texi: Likewise.
2992         * doc/invoke.texi: Likewise.
2993         * doc/loop.texi: Likewise.
2994         * doc/makefile.texi: Likewise.
2995         * doc/md.texi: Likewise.
2996         * doc/passes.texi: Likewise.
2997         * doc/standards.texi: Likewise.
2998         * doc/tm.texi: Likewise.
2999
3000 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3001
3002         PR middle-end/35196
3003         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
3004         in entry_bb.
3005         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
3006         rather than in entry_bb.
3007
3008 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3009
3010         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
3011         libgcc_cmp_return mode.
3012
3013 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
3014
3015         PR middle-end/35130
3016         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
3017         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
3018
3019 2008-02-15  Richard Guenther  <rguenther@suse.de>
3020             Zdenek Dvorak  <ook@ucw.cz>
3021
3022         PR tree-optimization/35164
3023         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
3024         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
3025         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
3026         Only propagate addresses which do not have abnormal SSA_NAMEs
3027         in their operands.
3028
3029 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
3030
3031         PR target/35088
3032         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
3033
3034 2008-02-15  Jan Hubicka  <jh@suse.cz>
3035
3036         PR middle-end/35149
3037         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
3038
3039 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3040
3041         PR middle-end/34621
3042         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
3043         when calculating alignment_pad.
3044
3045 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
3046
3047         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
3048         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
3049         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
3050         and STACK_BOUNDARY define.
3051
3052 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
3053
3054         PR preprocessor/35061
3055         * c-pragma.c (handle_pragma_pop_macro): Check that
3056         pushed_macro_table has been allocated.
3057
3058 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
3059
3060         PR middle-end/35136
3061         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
3062         (force_gimple_operand): Likewise.
3063         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
3064         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
3065         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
3066         (find_interesting_uses_address): Check addressability and alignment
3067         of the base expression only after substituting bases of IVs into it.
3068
3069 2008-02-14  Michael Matz  <matz@suse.de>
3070
3071         PR target/34930
3072         * function.c (instantiate_virtual_regs_in_insn): Reload address
3073         before falling back to reloading the whole operand.
3074
3075 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3076
3077         * config/s390/s390.c (s390_mainpool_start): Emit the pool
3078         before the first section switch note.
3079
3080 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3081
3082         * doc/bugreport.texi: Update copyright years.
3083         * doc/c-tree.texi: Likewise.
3084         * doc/cfg.texi: Likewise.
3085         * doc/cpp.texi: Likewise.
3086         * doc/cppinternals.texi: Likewise.
3087         * doc/fragments.texi: Likewise.
3088         * doc/frontends.texi: Likewise.
3089         * doc/gcc.texi: Likewise.
3090         * doc/gty.texi: Likewise.
3091         * doc/hostconfig.texi: Likewise.
3092         * doc/implement-c.texi: Likewise.
3093         * doc/libgcc.texi: Likewise.
3094         * doc/loop.texi: Likewise.
3095         * doc/makefile.texi: Likewise.
3096         * doc/options.texi: Likewise.
3097         * doc/passes.texi: Likewise.
3098         * doc/rtl.texi: Likewise.
3099         * doc/sourcebuild.texi: Likewise.
3100         * doc/standards.texi: Likewise.
3101         * doc/tree-ssa.texi: Likewise.
3102         * doc/trouble.texi: Likewise.
3103
3104         * doc/extend.texi: Use @: or add comma where appropriate.
3105         * doc/invoke.texi: Likewise.
3106         * doc/tm.texi: Likewise.
3107
3108 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
3109
3110         PR target/34393
3111         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
3112         to a reg.
3113
3114 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
3115
3116         * doc/md.texi (clz, ctz): Add reference.
3117         * doc/rtl.texi (clz, ctz): Likewise.
3118
3119 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3120
3121         PR other/35148
3122         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
3123         srcdir.
3124
3125 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
3126
3127         * config/s390/s390.c (struct constant_pool): New field
3128         emit_pool_after added.
3129         (s390_mainpool_start): Set the emit_pool_after flag according
3130         to the section switch notes.
3131         (s390_mainpool_finish): Consider emit_pool_after when emitting
3132         the literal pool at the end of the function.
3133         (s390_chunkify_start): Force literal pool splits at section
3134         switch notes.
3135
3136 2008-02-13  Michael Matz  <matz@suse.de>
3137
3138         PR debug/35065
3139         * var-tracking.c (clobber_variable_part): Correctly traverse the
3140         list.
3141
3142 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3143
3144         PR 29673
3145         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
3146         Add -fdump-ipa-inline.
3147         * tree-dump.c (dump_files): Remove tree-inlined dump.
3148         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
3149
3150 2008-02-12  Richard Guenther  <rguenther@suse.de>
3151
3152         PR tree-optimization/35171
3153         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
3154         default defs.
3155
3156 2008-02-12  Richard Guenther  <rguenther@suse.de>
3157
3158         PR middle-end/35163
3159         * fold-const.c (fold_widened_comparison): Use get_unwidened in
3160         value-preserving mode.  Disallow final truncation.
3161
3162 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
3163
3164         PR middle-end/35136
3165         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
3166         code from here to...
3167         (force_gimple_operand): ...here.
3168
3169 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
3170
3171         PR c++/35144
3172         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
3173         non-compatible pointers.
3174         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
3175         different FIELD_DECLs, try harder by comparing field offsets, sizes
3176         and types.
3177
3178         PR inline-asm/35160
3179         * function.c (match_asm_constraints_1): Don't replace the same input
3180         multiple times.
3181
3182 2008-02-12  Anatoly Sokolov <aesok@post.ru>
3183
3184         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
3185         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
3186         (expand_epilogue): Restore RAMPZ register.
3187         * config/avr/avr.md (RAMPZ_ADDR): New constant.
3188
3189 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
3190
3191         * config/i386/cygwin.asm: (__alloca): Correct calling
3192         convention and alignment.
3193         (__chkstk): Force 8 byte stack alignment.
3194
3195 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
3196             Richard Guenther  <rguenther@suse.de>
3197
3198         PR tree-optimization/33992
3199         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
3200         the zero we compare against.
3201
3202 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
3203
3204         PR libfortran/35063
3205         * gthr-win32.h (__gthread_mutex_destroy_function): New function
3206         to CloseHandle after unlocking to prevent accumulation of handle
3207         count.
3208
3209 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3210
3211         PR middle_end/34150
3212         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
3213         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
3214         and update LABEL_NUSES during and after reload.
3215
3216 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
3217
3218         PR middle-end/34627
3219         * combine.c (simplify_if_then_else): Make sure the comparison is
3220         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
3221
3222 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
3223
3224         PR bootstrap/35051
3225         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
3226         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
3227         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
3228         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
3229         * tree.h (get_type_static_bounds): Likewise.
3230
3231 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3232
3233         * doc/invoke.texi (Option Summary, C++ Dialect Options)
3234         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3235         Make -Wfoo language annotations match what the compiler outputs.
3236
3237 2008-02-08  Sa Liu  <saliu@de.ibm.com>
3238
3239         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
3240         intrinsics spu_convts, spu_convtu, spu_convtf.
3241         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
3242
3243 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
3244
3245         * doc/extend.texi (Function Attributes) <noinline>: Mention
3246         asm ("") as method to keep calls.
3247
3248 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3249
3250         PR other/32754
3251         * doc/options.texi (Options): Replace references to opts.sh with
3252         optc-gen.awk.
3253         * opts-common.c: Likewise.
3254         * optc-gen.awk: Likewise.
3255
3256 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
3257
3258         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
3259
3260 2008-02-07  Richard Henderson  <rth@redhat.com>
3261
3262         PR rtl-opt/33410
3263         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
3264         EXPR_LIST for the REG_EQUAL instead of a comparison with a
3265         funny mode.
3266
3267 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
3268
3269         PR tree-optimization/35085
3270         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
3271         for operand entry oe2 in addition to operand entry oe3 in order to
3272         expose more opportunities for vectorizer sum reduction.
3273
3274 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3275
3276         PR other/35107
3277         * Makefile.in (LIBS): Remove $(GMPLIBS).
3278         (cc1-dummy, cc1): Add $(GMPLIBS).
3279
3280 2008-02-06  Jan Hubicka  <jh@suse.cz>
3281
3282         PR target/23322
3283         * i386.md (moddf_integer): Do not produce partial memory stalls for
3284         targets where it hurts.
3285
3286 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
3287
3288         PR target/35083
3289         * optabs.c (expand_float): Do not check for decimal modes when
3290         expanding unsigned integer through signed conversion.
3291
3292 2008-02-06  Nick Clifton  <nickc@redhat.com>
3293
3294         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
3295         inside the clobber with a match_operand and duplicated operand
3296         number in the constraint.
3297         (ineqbranchsi): Delete redundant comment.
3298
3299 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
3300
3301         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
3302         builtin_define ("__USE_INIT_FINI__").
3303         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
3304         -msx multilibs.
3305         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
3306
3307 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3308
3309         PR documentation/30330
3310         * doc/invoke.texi (C++ Dialect Options)
3311         (Objective-C and Objective-C++ Dialect Options, Warning Options):
3312         For each warning option -Wfoo that allows -Wno-foo, ensure both
3313         -Wfoo and -Wno-foo are listed in the option index.  Fix index
3314         entry of -Wswitch-default, index -Wnormalized= including the
3315         `=', and -Wlarger-than-@var{len} including @var{len}.
3316
3317 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3318
3319         * config/i386/i386.md (floatunssisf2): Use
3320         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
3321         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
3322         Macroize expander using MODEF mode iterator.
3323
3324 2008-02-05  Diego Novillo  <dnovillo@google.com>
3325
3326         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
3327
3328         PR 33738
3329         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
3330
3331 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3332
3333         PR other/35070
3334         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
3335
3336 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
3337
3338         PR target/35084
3339         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
3340         to indicate if a message should be generated.
3341         (init_cumulative_args): Updated.
3342         (function_value_32): Likewise.
3343
3344 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
3345
3346         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
3347
3348 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
3349
3350         PR target/35083
3351         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
3352         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
3353
3354 2008-02-04  Diego Novillo  <dnovillo@google.com>
3355
3356         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
3357
3358         PR 33738
3359         * tree-vrp.c (vrp_evaluate_conditional): With
3360         -Wtype-limits, emit a warning when comparing against a
3361         constant outside the natural range of OP0's type.
3362
3363 2008-02-04  Richard Guenther  <rguenther@suse.de>
3364
3365         PR middle-end/33631
3366         * expr.c (count_type_elements): Give for unions instead of
3367         guessing.
3368
3369 2008-02-04  Richard Guenther  <rguenther@suse.de>
3370
3371         PR middle-end/35043
3372         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
3373         to TYPE_DOMAINs base type instead of using bitsizetype here.
3374
3375 2008-02-03  Jason Merrill  <jason@redhat.com>
3376
3377         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
3378
3379 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3380
3381         PR other/29972
3382         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
3383         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
3384         (RS/6000 and PowerPC Options): Fix typos and markup.
3385         * doc/passes.texi (Tree-SSA passes): Likewise.
3386
3387 2008-02-02  Michael Matz  <matz@suse.de>
3388
3389         PR target/35045
3390         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
3391         from record_last_reg_set_info.
3392         (record_last_reg_set_info): Take an RTX argument, iterate over all
3393         constituent hardregs.
3394         (record_last_set_info, record_opr_changes): Change calls to
3395         new signature or to record_last_reg_set_info_regno.
3396
3397 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
3398
3399         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
3400
3401 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
3402
3403         PR rtl-optimization/34773
3404         * reg-notes.def (EQUAL): Mention significance of combination of
3405         REG_EQUAL and REG_RETVAL.
3406         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
3407         insn that has a REG_RETVAL.
3408
3409 2008-02-01  Roger Sayle  <roger@eyesopen.com>
3410
3411         PR bootstrap/33781
3412         * configure.ac (--enable-fixed-point): Disable unless explicitly
3413         requested on IRIX.
3414         * configure: Regenerate.
3415
3416 2008-02-01  Richard Guenther  <rguenther@suse.de>
3417
3418         PR other/35042
3419         * invoke.texi (-finline-limit): Remove no longer true parts
3420         of the documentation.  Note that there is no default value.
3421
3422 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
3423             Mark Mitchell  <mark@codesourcery.com>
3424             Ben Elliston  <bje@au.ibm.com>
3425
3426         PR c/29326
3427         * doc/extend.texi (Other Builtins): Document.
3428
3429 2008-01-31  Tom Browder <tom.browder@gmail.com>
3430
3431         * doc/c-tree.texi (Types): Fix grammar.
3432         (Expression trees): Ditto.
3433         * doc/passes.texi (Tree-SSA passes): Ditto.
3434
3435         * doc/configterms.texi (Configure Terms): Fix typo.
3436         * doc/cpp.texi (Common Predefined Macros): Ditto.
3437         * doc/md.texi (Machine Constraints): Ditto.
3438
3439         * doc/makefile.texi (Makefile): Add comma.
3440
3441 2008-01-31  Tom Browder  <tom.browder@gmail.com>
3442             Gerald Pfeifer  <gerald@pfeifer.com>
3443
3444         * doc/sourcebuild.texi (Front End): Remove references to CVS
3445         and CVSROOT/modules.
3446         (Texinfo Manuals): Replace reference to CVS by one to SVN.
3447         (Back End): Remove reference to CVS.
3448
3449 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3450
3451         PR target/34900
3452         * config/mips/mips.c (gen_load_const_gp): New function, taking a
3453         comment from...
3454         (mips16_gp_pseudo_reg): ...here.
3455         * config/mips/mips.md (load_const_gp): Replace with...
3456         (load_const_gp_<mode>): ...this :P-based insn.
3457
3458 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3459
3460         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
3461         options. Minor fixes.
3462         (-std): Move reference to standards closer to where language
3463         standards are first mentioned.
3464
3465 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
3466
3467         PR rtl-optimization/34995
3468         * reload.c (alternative_allows_const_pool_ref): Take an rtx
3469         parameter and return a bool.  If the rtx parameter is nonnull,
3470         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
3471         (find_reloads): Update call accordingly.  Pass the new operand
3472         if it needed no address reloads, otherwise pass null.
3473
3474 2008-01-30  Richard Henderson  <rth@redhat.com>
3475
3476         PR c/34993
3477         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
3478         for unbounded arrays.
3479
3480 2008-01-30  Silvius Rus  <rus@google.com>
3481
3482         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
3483
3484 2008-01-30  Jan Hubicka  <jh@suse.cz>
3485
3486         PR target/34982
3487         * i386.c (init_cumulative_args): Use real function declaration when
3488         calling locally.
3489
3490 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
3491
3492         PR rtl-optimization/34998
3493         * global.c (build_insn_chain): Treat non-subreg_lowpart
3494         SUBREGs of pseudos as clobbering all the words covered by the
3495         SUBREG, not just all the bytes.
3496         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
3497         original df_ref rather than an extract parameter.
3498         (global_conflicts): Update call accordingly.
3499
3500 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
3501
3502         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
3503         the overflow check to make it easier to read.
3504         (__fixtfdi): Change the type of the ll member in union
3505         long_double to UDItype_x.
3506
3507 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
3508
3509         PR middle-end/34969
3510         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
3511         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
3512         * tree-inline.c (fold_marked_statements): Call
3513         cgraph_update_edges_for_call_stmt if folding a call statement.
3514         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
3515         debug_generic_stmt calls, reset it back afterwards.
3516
3517         PR c/35017
3518         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
3519         static decls.
3520         * c-typeck.c (build_external_ref): Don't pedwarn about
3521         static vars in current function's scope.
3522
3523 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
3524
3525         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
3526
3527 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
3528
3529         PR c/35002
3530         * ipa-struct-reorg.c: Fix spelling.
3531         * params.def: Ditto.
3532
3533 2008-01-29  Richard Guenther  <rguenther@suse.de>
3534
3535         PR middle-end/35006
3536         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
3537         field.
3538         * tree-inline.c (remap_type): Increment remapping_type_depth
3539         around remapping types.
3540         (copy_body_r): Only add referenced variables if they are referenced
3541         from code, not types.
3542
3543 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
3544
3545         PR c++/34055
3546         PR c++/34103
3547         PR c++/34219
3548         PR c++/34606
3549         PR c++/34753
3550         PR c++/34754
3551         PR c++/34755
3552         PR c++/34919
3553         PR c++/34961
3554         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
3555         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
3556
3557 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
3558
3559         PR target/34412
3560         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
3561         pointer for tiny stack.
3562
3563 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3564
3565         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
3566
3567 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
3568
3569         * config/vx-common.h: Fix typo in comment.
3570
3571 2008-01-28  Ian Lance Taylor  <iant@google.com>
3572
3573         PR c++/34862
3574         PR c++/33407
3575         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
3576         coalesce pointers if they have different DECL_NO_TBAA_P values.
3577         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
3578         between variables with different DECL_NO_TBAA_P values.
3579
3580 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
3581
3582         PR 31535
3583         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
3584         are not legitimate small data references on SPE targets.
3585
3586 2008-01-28  David Daney  <ddaney@avtrex.com>
3587
3588         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
3589
3590 2008-01-28  David Daney  <ddaney@avtrex.com>
3591
3592         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
3593
3594 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
3595
3596         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
3597         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
3598         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
3599         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
3600         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
3601         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
3602         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
3603         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
3604
3605 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3606
3607         * basic-block.h (condjump_equiv_p): Fix comment.
3608
3609 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3610
3611         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
3612         print_generic_stmt_indented): Fix comment.
3613
3614 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
3615
3616         * configure.ac (__stack_chk_fail): Add detecion for availability
3617         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
3618         * configure: Regenerate.
3619
3620 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
3621
3622         PR middle-end/34688
3623         * final.c (output_addr_const): Handle TRUNCATE.
3624
3625 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
3626
3627         PR target/34711
3628         * tree-ssa-loop-ivopts.c (comp_cost): New type.
3629         (zero_cost, infinite_cost): New constants.
3630         (struct cost_pair): Change type of cost to comp_cost.
3631         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
3632         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
3633         New functions.
3634         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
3635         split_address_cost, ptr_difference_cost, difference_cost,
3636         get_computation_cost_at, get_computation_cost,
3637         determine_use_iv_cost_generic, determine_use_iv_cost_address,
3638         determine_use_iv_cost_condition, determine_use_iv_costs,
3639         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
3640         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
3641         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
3642         Change type of cost to comp_cost.
3643         (determine_iv_cost): Increase cost of non-original ivs, instead
3644         of decreasing the cost of original ones.
3645         (get_address_cost): Indicate the complexity of the addressing mode
3646         in comp_cost.
3647         (try_add_cand_for): Prefer using ivs not specific to some object.
3648         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
3649
3650 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
3651             Janis Johnson  <janis187@us.ibm.com>
3652
3653         PR target/34814
3654         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
3655         (TARGET_INSTANTIATE_DECLS): Likewise.
3656         * target.h (expand_to_rtl_hook): New target hook.
3657         (instantiate_decls): Likewise.
3658         * function.c (instantiate_decl): Make non-static.  Rename to...
3659         (instantiate_decl_rtl): ... this.
3660         (instantiate_expr): Use instantiate_decl_rtl.
3661         (instantiate_decls_1): Likewise.
3662         (instantiate_decls): Likewise.
3663         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
3664         * function.h (instantiate_decl_rtl): Add prototype.
3665         * cfgexpand.c (target.h): New include.
3666         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
3667         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
3668         (TARGET_INSTANTIATE_DECLS): Likewise.
3669         (TARGET_INITIALIZER): New target hooks added.
3670         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
3671         New prototype.
3672         * config/rs6000/rs6000.c (tree-flow.h): New include.
3673         (machine_function): Add sdmode_stack_slot field.
3674         (rs6000_alloc_sdmode_stack_slot): New function.
3675         (rs6000_instantiate_decls): Likewise.
3676         (rs6000_secondary_memory_needed_rtx): Likewise.
3677         (rs6000_check_sdmode): Likewise.
3678         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
3679         (TARGET_INSTANTIATE_DECLS): Likewise.
3680         (rs6000_hard_regno_mode_ok): Allow SDmode.
3681         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
3682         (rs6000_emit_move): Handle SDmode.
3683         (function_arg_advance): Likewise.
3684         (function_arg): Likewise.
3685         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
3686         SDmode var args for 32-bit compiles.
3687         (rs6000_secondary_reload_class): Handle SDmode.
3688         (rs6000_output_function_epilogue): Likewise.
3689         (rs6000_function_value): Simplify if statement.
3690         (rs6000_libcall_value): Likewise.
3691         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
3692         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
3693         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
3694         (movsd_hardfloat): New define_insn.
3695         (movsd_softfloat): Likewise.
3696         (movsd_store): Likewise.
3697         (movsd_load): Likewise.
3698         (extendsddd2): Likewise.
3699         (extendsdtd2): Likewise.
3700         (truncddsd2): Likewise.
3701         (movdd_hardfloat64): Fixup comment.
3702         (UNSPEC_MOVSD_LOAD): New constant.
3703         (UNSPEC_MOVSD_STORE): Likewise.
3704
3705 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
3706
3707         PR c++/34965
3708         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
3709         TRUTH_XOR_EXPR.
3710         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
3711         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
3712         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
3713         and TRUTH_XOR_EXPR.
3714
3715 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
3716
3717         PR target/34794
3718         * config.gcc: Separate AIX 5.3 from AIX 6.1.
3719         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3720         __LONGDOUBLE128 too.
3721         * config/rs6000/aix61.h: New file.
3722
3723 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3724
3725         PR rtl-optimization/34959
3726         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
3727         popcount and parity rtxes the same mode as their operand.
3728         Truncate or extend the result to the return value's mode
3729         if necessary.
3730
3731 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
3732
3733         PR target/34981
3734         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
3735         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
3736         to GOT_VERSION_REGNUM.
3737         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
3738         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
3739         * config/mips/mips.c (mips_emit_call_insn): New function.
3740         (mips_call_tls_get_addr): Call mips_expand_call directly.
3741         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
3742         emit_call_insn.
3743         (mips16_build_call_stub): Likewise.  Return the call insn or null.
3744         (mips_expand_call): Update the call to mips16_build_call_stub
3745         accordingly and a remove redundant condition.  Assert that MIPS16
3746         stubs do not use lazy binding.  Use mips_emit_call_insn and return
3747         the call insn.
3748         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
3749         TARGET_USE_GOT.
3750         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
3751         (mips_avoid_hazard): Remove hazard_set handling.
3752         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
3753         (UNSPEC_RESTORE_GP): ...this.
3754         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
3755         (FAKE_CALL_REGNO): Rename to...
3756         (GOT_VERSION_REGNUM): ...this.
3757         (type): Add "ghost" value.  Add an associated insn reservation.
3758         (hazard_set): Remove.
3759         (exception_receiver): Rename to...
3760         (restore_gp): ...this and update the unspec identifier accordingly.
3761         (exception_receiver, nonlocal_got_receiver): New expanders.
3762         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
3763         FAKE_CALL_REGNO.  Remove hazard_set attribute.
3764         (set_got_version, update_got_version): New patterns.
3765
3766 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
3767
3768         PR target/34970
3769         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
3770
3771 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3772
3773         PR other/31955
3774         * doc/install.texi2html: Generate gcc-vers.texi.
3775
3776 2008-01-25  DJ Delorie  <dj@redhat.com>
3777
3778         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3779
3780 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
3781
3782         * config/c4x: Remove directory.
3783         * config.gcc (crx-*, mt-*): Mark obsolete.
3784         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
3785         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
3786         sh-*-rtemscoff*): Remove cases.
3787         * defaults.h (C4X_FLOAT_FORMAT): Remove.
3788         * real.c (encode_c4x_single, decode_c4x_single,
3789         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
3790         c4x_extended_format): Remove.
3791         * real.h (c4x_single_format, c4x_extended_format): Remove.
3792         * doc/extend.texi (interrupt, naked): Remove mention of attributes
3793         on C4x.
3794         (Pragmas): Remove comment about c4x pragmas.
3795         * doc/install.texi (c4x): Remove target-specific instructions.
3796         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
3797         * doc/md.texi (Machine Constraints): Remove C4x documentation.
3798         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
3799         refer to C4x source files as examples.
3800         (C4X_FLOAT_FORMAT): Remove documentation.
3801
3802 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
3803
3804         * config/bfin/bfin.c (override_options): Reorder tests so that
3805         flag_pic gets enabled for -msep-data.
3806
3807 2008-01-25  Richard Guenther  <rguenther@suse.de>
3808
3809         PR middle-end/32244
3810         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
3811         to its bitfield precision if required.
3812
3813 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3814
3815         PR middle-end/33880
3816         * tree-nested.c (walk_omp_for): New function.
3817         (convert_nonlocal_reference, convert_local_reference): Call
3818         walk_omp_for on OMP_FOR.
3819         (convert_call_expr): Call walk_body on OMP_FOR's
3820         OMP_FOR_PRE_INIT_BODY.
3821
3822 2008-01-25  Richard Guenther  <rguenther@suse.de>
3823
3824         PR tree-optimization/34966
3825         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
3826         default defs and PHI_NODEs we have to insert after the
3827         defining statement.
3828
3829 2008-01-24  Nick Clifton  <nickc@redhat.com>
3830
3831         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
3832         Provide a default definition.
3833         (LIBGCC2_UNITS_PER_WORD): Likewise.
3834
3835         * config/stormy16/stormy16.c: Include df.h for the prototype
3836         for df_regs_ever_live_p.
3837         (xstormy16_expand_builtin_va_start): Convert the stack offset
3838         into a component_ref and then use POINTER_PLUS_EXPR to add it
3839         to the incoming_virtual_args_rtx.
3840         (xstormy16_gimplify_va_arg_expr): Rename to
3841         xstormy16_gimplify_va_arg_expr.
3842         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
3843         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
3844         xstormy16_gimplify_va_arg_expr.
3845         Fix up some formatting issues.
3846
3847         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
3848         Move to predicates.md.
3849         (xs_hi_general_operand): Likewise.
3850         (xs_hi_nonmemory_operand): Likewise.
3851         * config/stormy16/predicates.md:
3852         (xstormy16_carry_plus_operand): New predicate.
3853         (xs_hi_general_operand): New predicate.
3854         (xs_hi_nonmemory_operand): New predicate.
3855         * config/stormy16/stormy16-protos.h:
3856         (xstormy16_carry_plus_operand): Delete prototype.
3857         (xs_hi_general_operand): Likewise.
3858         (xs_hi_nonmemory_operand): Likewise.
3859
3860         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
3861         modifiers as they are no longer needed and they can trigger
3862         reload spill failures.
3863
3864         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
3865         with a match_operand in order to help reload.
3866
3867         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
3868         constraint with 'e' for the 8th alternative as this version of
3869         the mov.w instruction only accepts the lower 8 registers.
3870
3871 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
3872
3873         PR target/34856
3874         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
3875         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
3876         vector elements.
3877
3878 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
3879
3880         PR middle-end/33333
3881         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
3882
3883 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3884
3885         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
3886         New functions.
3887         (remove_structure): Update allocations list before removing structure.
3888
3889 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
3890
3891         * ipa-struct-reorg.c (is_safe_cond_expr,
3892         create_new_stmts_for_cond_expr): Use integer_zerop function,
3893         that recognize not only zero-pointer, but zero-integer too.
3894
3895 2008-01-25  Ben Elliston  <bje@au.ibm.com>
3896
3897         PR other/22232
3898         * fixproto: Escape "." in sed expression that strips leading "./".
3899
3900 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
3901
3902         PR driver/34904
3903         * gcc.c (SWITCH_OK): Removed.
3904         (SWITCH_LIVE): Changed to bit.
3905         (SWITCH_FALSE): Likewise.
3906         (SWITCH_IGNORE): Likewise.
3907         (switchstr): Change live_cond to unsigned int.
3908         (process_command): Replace SWITCH_OK with 0.
3909         (do_self_spec): Likewise.
3910         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
3911         (give_switch): Likewise.
3912         (used_arg): Likewise.
3913         (do_spec_1): Set the SWITCH_IGNORE bit.
3914         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
3915         bits.  Set the SWITCH_LIVE bit.
3916
3917 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3918
3919         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
3920
3921 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
3922
3923         PR tree-optimization/34472
3924         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
3925         parameter to a "bool *" and set *DATA to false if there is
3926         an unsafe access.  Do not delete the structure here.
3927         (check_cond_exprs): Delete it here instead.
3928         (check_cond_exprs, exclude_cold_structs): Do not increase
3929         I when removing a structure.
3930
3931 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
3932
3933         PR target/34856
3934         * config/i386/i386.c (ix86_expand_vector_init): Consider only
3935         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
3936
3937 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
3938
3939         PR middle-end/34934
3940         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
3941         a fixed vector for stack.
3942
3943 2008-01-24  Ben Elliston  <bje@au.ibm.com>
3944
3945         PR c++/25701
3946         * doc/gcc.texi (Software development): Add a direntry for g++.
3947
3948 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
3949
3950         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
3951         stale and straggling -fforce-addr comments above.
3952
3953         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
3954         define.
3955         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
3956         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
3957
3958 2008-01-23  Michael Matz  <matz@suse.de>
3959
3960         PR debug/34895
3961         * dwarf2out.c (force_type_die): Use modified_type_die instead of
3962         gen_type_die.
3963
3964 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
3965
3966         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
3967         malloc result type.
3968
3969 2008-01-23 Anatoly Sokolov <aesok@post.ru>
3970
3971         * config/avr/avr.c (avr_current_arch): New variable.
3972         (avr_arch_types): Add 'avr31' and 'avr51' entries.
3973         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
3974         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
3975         (avr_override_options): Init 'avr_current_arch'.
3976         (base_arch_s): Move from here...
3977         * config/avr/avr.h (base_arch_s): ... here. Add new members
3978         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
3979         'mega' to 'have_jmp_call'.
3980         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
3981         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
3982         macros.
3983         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
3984         architectures.
3985         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
3986         MULTILIB_MATCHES): (Ditto.).
3987
3988 2008-01-23  Richard Guenther  <rguenther@suse.de>
3989
3990         PR middle-end/31529
3991         * cgraphunit.c (cgraph_reset_node): Always mark the node
3992         not reachable if it is not queued already.
3993
3994 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
3995
3996         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
3997         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
3998         (cputype_selected): New static variable.
3999         (bfin_handle_option): Set it if -mcpu is used.
4000         (override_option): Select default set of workarounds if no cpu type
4001         selected on the command line.
4002         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
4003
4004         From  Michael Frysinger  <michael.frysinger@analog.com>
4005         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
4006         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
4007
4008         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
4009         for bf547, bf523, bf524, and bf526.
4010         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
4011         bf526.
4012         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4013         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
4014         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
4015         __ADSPBF547__ and __ADSPBF54x__ for bf547.
4016         * doc/invoke.texi (Blackfin Options): Document that
4017         -mcpu now accept bf547, bf523, bf524, and bf526.
4018
4019 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
4020
4021         PR rtl-optimization/34628
4022         * combine.c (try_combine): Stop and undo after the first combination
4023         if an autoincrement side-effect on the first insn has effectively
4024         been lost.
4025
4026 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
4027
4028         PR target/34529
4029         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
4030         Offset addresses are not valid for Altivec or paired float modes.
4031
4032 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
4033
4034         PR c++/34607
4035         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
4036         if DECL_INITIAL (decl) is error_mark_node.
4037
4038         PR c++/34914
4039         * c-common.c (handle_vector_size_attribute): Only allow
4040         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
4041         the same way as pointer, array etc. types.
4042         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
4043
4044         PR c++/34917
4045         * tree.c (build_type_attribute_qual_variant): Call
4046         build_qualified_type if attributes are equal, but quals are not.
4047
4048 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4049
4050         PR 32102
4051         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
4052         * flags.h (warn_strict_aliasing): Remove.
4053         (warn_strict_overflow): Remove.
4054         * opts.c (warn_strict_aliasing): Remove.
4055         (warn_strict_overflow): Remove.
4056         * c-opts.c (c_common_handle_option): -Wall only sets
4057         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
4058         (c_common_post_options): Give default values to -Wstrict-aliasing
4059         and -Wstrict-overflow if they are uninitialized.
4060         * common.opt (Wstrict-aliasing): Specify Var and Init.
4061         (Wstrict-overflow): Likewise.
4062
4063 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
4064
4065         PR rtl-optimization/26854
4066         PR rtl-optimization/34400
4067         PR rtl-optimization/34884
4068         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
4069         DF_RD->gen.
4070         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
4071         (df_rd_bb_info.expanded_lr_out): Deleted
4072         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
4073         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
4074         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4075         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4076         Removed code to allocate, initialize or free expanded_lr_out.
4077         (df_rd_bb_local_compute_process_def): Restructured to make more
4078         understandable.
4079         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
4080         sets if the sets are being trimmed.
4081
4082 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
4083
4084         PR bootstrap/32287
4085         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
4086         (as_vers): Likewise.
4087         * configure: Regenerated.
4088
4089 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4090
4091         PR middle-end/33092
4092         * tree-pass.h (pass_build_alias): New pass.
4093         * tree-ssa-alias.c (gate_build_alias): New.
4094         (pass_build_alias): New.
4095         * passes.c (init_optimization_passes): Add pass_build_alias after
4096         pass_create_structure_vars.
4097
4098 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
4099
4100         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
4101         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
4102         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
4103         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
4104         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
4105         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
4106         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
4107         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
4108         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
4109         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
4110         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
4111         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
4112         * config/s390/s390.md (FP_ALL): New mode iterator.
4113         (_d): New mode attribute.
4114         ("*signbit<mode>2>"): Changed mode of first operand.
4115         ("isinf<mode>2"): Changed mode of first operand.
4116         ("*TDC_insn"): Adaptation for DFP modes.
4117
4118 2008-01-22  Ben Elliston  <bje@au.ibm.com>
4119
4120         * tree.c (check_qualified_type): Improve function description.
4121
4122 2008-01-21  Jason Merrill  <jason@redhat.com>
4123
4124         PR c++/34196
4125         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
4126         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
4127         if it is set.
4128
4129 2008-01-21  DJ Delorie  <dj@redhat.com>
4130
4131         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
4132         return zero.
4133
4134 2008-01-21  Richard Guenther  <rguenther@suse.de>
4135
4136         PR middle-end/34856
4137         * tree-cfg.c (verify_expr): Allow all invariant expressions
4138         instead of just constant class ones as reference argument.
4139         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
4140         like any other constant.
4141         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
4142
4143 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
4144
4145         * regmove.c (fixup_match_1): Update call crossed frequencies.
4146
4147 2008-01-21  Richard Guenther  <rguenther@suse.de>
4148
4149         PR c/34885
4150         * tree-inline.c (setup_one_parameter): Deal with mismatched
4151         types using a VIEW_CONVERT_EXPR.
4152
4153 2008-01-21  Alon Dayan  <alond@il.ibm.com>
4154             Olga Golovanevsky  <olga@il.ibm.com>
4155
4156         PR tree-optimization/34701
4157         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
4158         when the structure size is not a power of 2.
4159
4160 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
4161
4162         * doc/install.texi: Add doc for --enable-checking=df.
4163
4164 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4165
4166         PR rtl-optimization/34808
4167         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
4168
4169 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4170
4171         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
4172         input.
4173
4174 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
4175
4176         PR rtl-optimization/26854
4177         PR rtl-optimization/34400
4178         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
4179         DF_RD->gen.
4180         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
4181         (df_rd_bb_info.expanded_lr_out): New.
4182         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
4183         * loop_iv.c (iv_analysis_loop_init): Ditto.
4184         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
4185         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
4186         Added code to allocate, initialize or free expanded_lr_out.
4187         (df_rd_bb_local_compute_process_def): Restructured to make
4188         more understandable.
4189         (df_rd_confluence_n): Add code to do nothing with fake edges and
4190         code to no apply invalidate_by_call sets if the sets are being trimmed.
4191         (df_lr_local_finalize): Renamed to df_lr_finalize.
4192         (df_live_local_finalize): Renamed to df_live_finalize.
4193
4194 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
4195
4196         PR target/34831
4197         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
4198         deciding whether to use reciprocal instructions.
4199
4200 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
4201
4202         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
4203         dwarf2out_note_section_used if cold_text_section is NULL.
4204
4205 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
4206
4207         PR gcov-profile/34610
4208         * tree-cfg.c (make_edges): Mark both outgoing edges from
4209         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
4210         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
4211         from OMP_FOR and OMP_CONTINUE outgoing edges.
4212
4213         * tree-profile.c (tree_profiling): Return early if
4214         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
4215         at the end.
4216         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
4217         from cfun to child_cfun.
4218         * function.h (struct function): Add after_tree_profile bit.
4219
4220 2008-01-19 Anatoly Sokolov <aesok@post.ru>
4221
4222         * config/avr/avr.S (_exit): Disable interrupt.
4223
4224 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
4225             Steven Bosscher  <stevenb.gcc@gmail.com>
4226
4227         PR rtl-optimization/26854
4228         PR rtl-optimization/34400
4229         * df-problems.c (df_live_scratch): New scratch bitmap.
4230         (df_live_alloc): Allocate df_live_scratch when doing df_live.
4231         (df_live_reset): Clear the proper bitmaps.
4232         (df_live_bb_local_compute): Only process the artificial defs once
4233         since the order is not important.
4234         (df_live_init): Init the df_live sets only with the variables
4235         found live by df_lr.
4236         (df_live_transfer_function): Use the df_lr sets to prune the
4237         df_live sets as they are being computed.
4238         (df_live_free): Free df_live_scratch.
4239
4240 2008-01-18  Ian Lance Taylor  <iant@google.com>
4241
4242         * common.opt: Add fmerge-debug-strings.
4243         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
4244         flag_merge_debug_strings rather than flag_merge_constants.
4245         * doc/invoke.texi (Option Summary): Mention
4246         -fmerge-debug-strings.
4247         (Debugging Options): Document -fmerge-debug-strings.
4248
4249 2008-01-18  Ian Lance Taylor  <iant@google.com>
4250
4251         PR c++/33407
4252         * tree.h (DECL_IS_OPERATOR_NEW): Define.
4253         (struct tree_function_decl): Add new field operator_new_flag.
4254         * tree-inline.c (expand_call_inline): When inlining a call to
4255         operator new, force the return value to go into a variable, and
4256         set DECL_NO_TBAA_P on that variable.
4257         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
4258
4259 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
4260
4261         PR debug/34484
4262         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
4263         DWARF2_DEBUGGING_INFO.
4264         (dwarf2out_note_section_used): Ditto.  Add prototype.
4265         (have_multiple_function_sections, text_section_used,
4266         cold_text_section_used, *cold_text_sections): Move declarations
4267         before their uses.
4268
4269 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
4270
4271         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
4272         field and add signal_ra.
4273         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
4274         assignments to frame state pc.  Move end of stack check after
4275         MD_FALLBACK_FRAME_STATE_FOR.
4276         (uw_update_context_1): Use frame state signal_regs if set, instead
4277         of checking signal_frame flag.
4278         (uw_update_context): Use frame state signal_ra if set.
4279         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
4280         * config/xtensa/linux-unwind.h: New file.
4281
4282 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
4283
4284         * modulo-sched.c (get_sched_window): Fix comment typo.
4285
4286 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
4287
4288         PR tree-optimization/34648
4289         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
4290
4291 2008-01-17  Anatoly Sokolov <aesok@post.ru>
4292
4293         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
4294         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
4295
4296 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
4297
4298         PR rtl-optimization/34400
4299         * df-core.c (df_worklist_dataflow_overeager,
4300         df_worklist_dataflow_doublequeue): New functions.
4301         (df_worklist_dataflow): Two different worklist solvers.
4302         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
4303         New param.
4304
4305 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4306
4307         PR testsuite/34821
4308         * doc/invoke.texi: Document the dependence on pthread for fopenmp
4309         and ftree-parallelize-loops.
4310
4311 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
4312
4313         PR rtl-optimization/34826
4314         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
4315
4316 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
4317
4318         * global.c (find_reg): Mark the eh regs as used if necessary.
4319         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
4320         * ra.h (struct allocno): no_eh_reg field added.  Changed
4321         no_stack_reg type to bitfield.
4322
4323 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
4324
4325         * tree.c (substitute_in_expr): Add missing 'break'.
4326
4327 2008-01-17  Richard Guenther  <rguenther@suse.de>
4328
4329         PR tree-optimization/34825
4330         * tree-ssa-math-opts.c (is_division_by): Do not recognize
4331         x / x as division to handle.
4332
4333 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4334
4335         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
4336         "-pthread" is specified.
4337         * pa-hpux11.h (LIB_SPEC): Likewise.
4338
4339 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
4340             Peter Bergner  <bergner@vnet.ibm.com>
4341
4342         PR rtl-optimization/33796
4343         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
4344
4345 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4346
4347         PR libgfortran/34699
4348         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
4349         static links.
4350         * pa-hpux10.h (LINK_SPEC): Likewise.
4351         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
4352
4353 2008-01-16  Richard Guenther  <rguenther@suse.de>
4354
4355         PR middle-end/32628
4356         * fold-const.c (fold_convert_const_int_from_int): Do not
4357         set overflow if that occured only because of a sign extension
4358         change when converting from/to a sizetype with the same
4359         precision and signedness.
4360
4361 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4362
4363         PR debug/34249
4364         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
4365         location address to the correct place.  Update copyright year.
4366
4367 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4368
4369         * lambda-code.c (lambda_transform_legal_p): Handle the case of
4370         no dependences in the dependence_relations vector.
4371
4372 2008-01-16  Jan Hubicka  <jh@suse.cz>
4373
4374         PR rtl-optimization/31396
4375         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
4376         * cfg.c (dump_reg_info): Print it.
4377         * regs.h (struct reg_info_t): add freq_calls_crossed.
4378         (REG_FREQ_CALLS_CROSSED): New macro.
4379         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
4380         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
4381         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
4382         regmove_optimize): Update call crossed frequencies.
4383         * local-alloc.c (struct qty): Add freq_calls_crossed.
4384         (alloc_qty): Copute freq_calls_crossed.
4385         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
4386         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
4387         * ra.h (struct allocno): Add freq_calls_crossed.
4388
4389 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4390
4391         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4392         libgomp when compiling with ftree-parallelize-loops.
4393         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
4394
4395 2008-01-16  Richard Guenther  <rguenther@suse.de>
4396
4397         PR tree-optimization/34769
4398         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
4399         * tree.c (int_cst_value): Instead make this function more
4400         permissive in what it accepts as valid input.  Document this
4401         function always sign-extends the value.
4402
4403 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
4404             Richard Guenther  <rguenther@suse.de>
4405
4406         PR c/34668
4407         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
4408         (gimple_fold_indirect_ref_rhs): ... this.
4409         (gimple_fold_indirect_ref): New function with foldings
4410         that preserve lvalueness.
4411         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
4412         * tree-flow.h (gimple_fold_indirect_ref): Declare.
4413         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
4414         to fold an INDIRECT_REF, fall back to the old use of
4415         fold_indirect_ref_1.
4416
4417 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
4418
4419         * tree-data-ref.c (subscript_dependence_tester_1): Call
4420         free_conflict_function.
4421         (compute_self_dependence): Same.
4422
4423 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
4424
4425         PR debug/34249
4426         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
4427         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
4428         function global.
4429         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
4430         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
4431         for DWARF2_UNWIND_INFO targets.
4432
4433 2008-01-16  Richard Guenther  <rguenther@suse.de>
4434
4435         PR c/34768
4436         * c-typeck.c (common_pointer_type): Do not merge inconsistent
4437         type qualifiers for function types.
4438
4439 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
4440
4441         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
4442         loop_iterator li from previous commit.
4443
4444 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
4445
4446         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
4447
4448 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4449
4450         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
4451         (parallelize_loops): Don't parallelize irreducible components.
4452
4453 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4454
4455         PR c++/24924
4456         * c-opts (c_common_post_options): Do not enable CPP
4457         flag_pedantic_errors by default.
4458
4459 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
4460
4461         PR rtl-optimization/31944
4462         * cse.c (remove_pseudo_from_table): New function.
4463         (merge_equiv_classes): Use above function to remove pseudo-registers.
4464         (invalidate): Likewise.
4465
4466 2008-01-13  Richard Guenther  <rguenther@suse.de>
4467
4468         PR middle-end/34601
4469         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
4470         instead of TYPE_MODE to deal with calls from expand_one_error_var.
4471
4472 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
4473
4474         * gcse.c (cprop_jump): Call validate_unshare_change instead of
4475         validate_change to unshare the source of the PC set.
4476
4477 2008-01-12  Jan Hubicka  <jh@suse.cz>
4478
4479         PR middle-end/32135
4480         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
4481         references above array bounds.  This might trigger bounds checks for
4482         pointers to arrays.
4483
4484 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
4485
4486         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
4487         new_replaceable_dependencies.
4488
4489 2008-01-12  Doug Kwan  <dougkwan@google.com>
4490
4491         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
4492         instead of OPT_Wreturn_type in warning due to ignored return type
4493         qualifiers.
4494         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
4495         options included in -Wextra.
4496         * c.opt: New option -Wignored_qualifiers.
4497         * doc/invoke.texi (Warning Options, -Wextra): Add new option
4498         -Wignore_qualifiers.
4499         (-Wignored-qualifiers): Document.
4500         (-Wreturn-type): Remove description of functionality now handled
4501         by -Wignored-qualifiers.
4502
4503 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
4504
4505         PR ada/33788
4506         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
4507         NOP_EXPR if it is between integral types with the same precision.
4508
4509 2008-01-12  Jan Hubicka  <jh@suse.cz>
4510
4511         PR other/28023
4512         * invoke.texi (max-inline-recursive-depth): Fix default value.
4513
4514 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
4515
4516         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
4517         correct type.
4518
4519 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
4520
4521         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
4522
4523 2008-01-11  James E. Wilson  <wilson@specifix.com>
4524
4525         PR target/26015
4526         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
4527
4528 2008-01-11  Anatoly Sokolov <aesok@post.ru>
4529
4530         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
4531         save/restore frame pointer register and don't use 'call-prologues'
4532         optimization in function with "OS_task" attribute.
4533
4534 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
4535
4536         PR middle-end/31309
4537         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
4538         when copying to memory.
4539
4540 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
4541
4542         PR rtl-optimization/30905
4543         * cfgcleanup.c: Include dce.h
4544         (crossjumps_occured): New global variable.
4545         (try_crossjump_bb): Exit loop after finding a fallthru edge.
4546         If something changed, set crossjumps_occured to true.
4547         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
4548         Don't add/remove fake edges to exit here...
4549         (cleanup_cfg): ...but do it here, when crossjumping.
4550         Run a fast DCE when successful crossjumps occured in the latest
4551         iteration of try_optimize_cfg.
4552
4553 2008-01-11  Richard Guenther  <rguenther@suse.de>
4554
4555         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
4556         (struct vn_unary_op_s): Likewise.
4557         (vn_reference_insert): Free old reference on hash collision.
4558
4559 2008-01-10  Raksit Ashok  <raksit@google.com>
4560
4561         PR rtl-optimization/27971
4562         * combine.c (find_split_point): Split PLUS expressions which are
4563         inside a MEM rtx, and whose first operand is complex.
4564
4565 2008-01-10  DJ Delorie  <dj@redhat.com>
4566
4567         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
4568         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
4569         (m32c_hard_regno_ok): Call the underlying function.
4570
4571 2008-01-10  Richard Guenther  <rguenther@suse.de>
4572
4573         PR middle-end/34683
4574         * tree-cfg.c (tree_merge_blocks): Do not go through the
4575         full-blown folding and stmt updating path if we just deal
4576         with virtual operands.
4577         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
4578         test for abnormal SSA_NAMEs.
4579
4580 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
4581
4582         PR middle-end/34641
4583         * reload.c (push_reload): Add assertions.  All constants from
4584         reg_equiv_constant should have been used for replacing the respective
4585         pseudo earlier.
4586         (find_reloads_address): Invoke find_reloads_address_part for
4587         constant taken from the reg_equiv_constant array.
4588
4589 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
4590
4591         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
4592         field (valnum) the first in the struct.  Replace bools with
4593         unit bit fields.
4594
4595 2008-01-10  Richard Guenther  <rguenther@suse.de>
4596
4597         PR tree-optimization/34651
4598         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
4599         types and ordering for masking and converting.
4600
4601 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
4602
4603         PR tree-optimization/34017
4604         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
4605         also for PHI_NODE expressions.
4606
4607 2008-01-09  Jan Hubicka  <jh@suse.cz>
4608
4609         PR tree-optimization/34708
4610         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
4611         based on number of case labels.
4612         (init_inline_once): Remove switch_cost.
4613         * tree-inline.h (eni_weights_d): Remove switch_cost.
4614
4615 2008-01-09  Richard Guenther  <rguenther@suse.de>
4616         Andrew Pinski  <andrew_pinski@playstation.sony.com>
4617
4618         PR middle-end/30132
4619         * gimplify.c (gimplify_cond_expr): Do not create an addressable
4620         temporary if an rvalue is ok or an lvalue is not required.
4621
4622 2008-01-09  Richard Guenther  <rguenther@suse.de>
4623
4624         PR middle-end/34458
4625         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
4626         adjust return type.
4627
4628 2008-01-09  Richard Guenther  <rguenther@suse.de>
4629
4630         PR middle-end/34679
4631         * tree.c (host_integerp): Check for sizetype only if the
4632         type is an integer type.
4633
4634 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
4635
4636         PR debug/26364
4637         * opts.c (decode_options): Disable inlining of functions called
4638         once if not in unit-at-a-time mode.
4639
4640 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
4641
4642         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
4643
4644 2008-01-08  Richard Guenther  <rguenther@suse.de>
4645
4646         PR middle-end/31863
4647         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
4648         out early if the result will be unused.
4649
4650 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4651
4652         PR target/34709
4653         Revert:
4654
4655         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4656         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4657         for TARGET_RECIP.
4658
4659 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
4660
4661         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
4662         for vectorization tuned.
4663
4664 2008-01-08  Richard Guenther  <rguenther@suse.de>
4665
4666         PR tree-optimization/34683
4667         * tree-ssa-operands.c (operand_build_cmp): Export.
4668         * tree-ssa-operands.h (operand_build_cmp): Declare.
4669         * tree-vn.c (vuses_compare): Remove.
4670         (sort_vuses): Use operand_build_cmp.
4671         (sort_vuses_heap): Likewise.
4672         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
4673         to re-use old VEC if available.  Do not sort already sorted VUSEs.
4674         (vdefs_to_vec): Do not sort already sorted VDEFs.
4675
4676 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
4677
4678         PR middle-end/34694
4679         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
4680
4681 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
4682
4683         PR target/34702
4684         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
4685         limitations of reciprocal sequences on x86 targets.
4686
4687 2008-01-08  Richard Guenther  <rguenther@suse.de>
4688
4689         PR tree-optimization/34683
4690         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
4691
4692 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
4693
4694         PR target/34622
4695         * config/darwin.c (darwin_mergeable_string_section): Don't use
4696         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
4697
4698 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
4699
4700         PR target/34682
4701         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
4702         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
4703         predicates of op0 and op1 to register_operand.
4704         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
4705         expander using X87MODEF mode iterator.  Change predicates of
4706         op0 and op1 to register_operand.
4707         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
4708         corresponding patterns and macroize using MODEF macro.  Change
4709         predicates of op0 and op1 to register_operand and remove
4710         "m" constraint. Disparage "r" alternative with "!".
4711         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
4712         macroize using X87MODEF macro.  Change predicates of op0 and op1
4713         to register_operand and remove "m" constraint.  Disparage "r"
4714         alternative with "!".
4715         (absneg splitter with memory operands): Remove.
4716         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
4717         patterns and macroize using X87MODEF mode iterator.
4718         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
4719         Change predicate of op1 to register_operand.
4720         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
4721         for memory operands.
4722
4723 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
4724
4725         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
4726
4727 2008-01-07  Richard Guenther  <rguenther@suse.de>
4728
4729         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
4730         fields.
4731
4732 2008-01-07  Richard Guenther  <rguenther@suse.de>
4733
4734         PR tree-optimization/34683
4735         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
4736         VOPs of the needed size to save memory.  Use VEC_quick_push
4737         to save compile-time.
4738         (vdefs_to_vec): Likewise.
4739
4740 2008-01-07  Sa Liu  <saliu@de.ibm.com>
4741
4742         * config/spu/spu.md (divdf3): Genetate inline code for double
4743         division.  The implementation doesn't handle INF or NAN, therefore it
4744         only applies when -ffinite-math-only is given.
4745
4746 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
4747
4748         PR libstdc++/34680
4749         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
4750         * doc/cpp.texi ([Common Predefined Macros]): Document.
4751
4752 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
4753
4754         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
4755         order to use commutative addition instead of subtraction.
4756
4757 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4758             Mircea Namolaru  <namolaru@il.ibm.com>
4759             Vladimir Yanovsky  <yanov@il.ibm.com>
4760             Revital Eres  <eres@il.ibm.com>
4761
4762         PR tree-optimization/34263
4763         * tree-outof-ssa.c (process_single_block_loop_latch,
4764         contains_tree_r): New functions.
4765         (analyze_edges_for_bb): Call process_single_block_loop_latch
4766         function to empty single-basic-block latch block if possible.
4767
4768 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4769
4770         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
4771         for TARGET_RECIP.
4772         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
4773
4774 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4775
4776         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
4777
4778 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
4779
4780         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
4781
4782 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
4783
4784         PR tree-optimization/34618
4785         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
4786         flag from T.
4787
4788 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
4789
4790         PR target/34673
4791         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
4792         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
4793         Update copyright year.
4794
4795         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
4796         Update copyright year.
4797         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
4798         using NR fixup.
4799
4800 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
4801
4802         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
4803         edge does not point to current bb before changing need_assert.
4804
4805 2008-01-04  Richard Guenther  <rguenther@suse.de>
4806
4807         PR middle-end/34029
4808         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
4809         for verifying purposes if they are is_gimple_min_invariant.
4810
4811 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
4812
4813         PR tree-optimization/34448
4814         PR tree-optimization/34465
4815         * gimplify.c (gimplify_init_constructor): Add new parameter
4816         notify_temp_creation.  Use it.
4817         (gimplify_modify_expr_rhs): Take volatiles into account when
4818         optimizing constructors.
4819         Do not optimize constructors if gimplify_init_constructor will dump to
4820         memory.
4821         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
4822         * gcc.c-torture/compile/pr34448.c: New.
4823
4824 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
4825
4826         PR gcov-profile/34609
4827         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
4828         return_slot if result is TREE_ADDRESSABLE.
4829
4830 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
4831
4832         * config/mips/mips.md (sqrt_condition): Tweak comment.
4833         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
4834
4835 2008-01-03  Tom Tromey  <tromey@redhat.com>
4836
4837         PR c/34457
4838         * c-common.c (c_type_hash): Handle VLAs.
4839
4840 2008-01-03  Jan Hubicka  <jh@suse.cz>
4841
4842         PR tree-optimization/31081
4843         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
4844         0 when inlining and not inlining to first basic block.
4845         (remap_decl): When var is initialized to 0, don't set default_def.
4846         (expand_call_inline): Set entry_bb.
4847         * tree-inline.h (copy_body_data): Add entry_bb.
4848
4849 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4850
4851         PR c++/34619
4852         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
4853         before returning.
4854
4855         PR tree-optimization/29484
4856         * tree-inline.c (inline_forbidden_p_2): New function.
4857         (inline_forbidden_p): Disallow inlining if some static var
4858         has an address of a local LABEL_DECL in its initializer.
4859         * doc/extend.texi (Labels as Values): Document &&foo behaviour
4860         vs. inlining.
4861
4862 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
4863
4864         PR tree-optimization/34635
4865         * tree-data-ref.c (add_other_self_distances): Make sure that the
4866         evolution step is constant.
4867
4868 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
4869
4870         PR middle-end/34608
4871         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
4872
4873 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
4874
4875         * tree-sra.c (scalarize_init): Insert the generate_element_init
4876         statements after the generate_element_zero statements.
4877
4878 2008-01-02  Richard Guenther  <rguenther@suse.de>
4879
4880         PR middle-end/34093
4881         PR middle-end/31976
4882         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
4883         for very large number of operands instead of ICEing.
4884
4885 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
4886
4887         PR target/34013
4888         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
4889         while stack probing.
4890
4891 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
4892
4893         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
4894         in C++0x mode.
4895
4896 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
4897
4898         PR libmudflap/26442
4899         * tree-mudflap.c (mx_register_decls): Guard warning by
4900         !DECL_ARTIFICIAL check.
4901
4902 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
4903
4904         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
4905         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
4906         sse5_perm<mode>): Fix constraints.