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.