re PR ada/41929 (64-bit null_pointer_deref1 gnat.dg test consumes all available memory)

[gcc.git] / gcc / ChangeLog

2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR ada/41929
        * config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
        (IS_SIGHANDLER): Define.
        (sparc64_is_sighandler): New function, split off from
        sparc64_fallback_frame_state.
        (sparc_is_sighandler): New function, split off from
        sparc_fallback_frame_state.
        (sparc64_fallback_frame_state): Merge with ...
        (sparc_fallback_frame_state): ... this into ...
        (MD_FALLBACK_FRAME_STATE_FOR): ... this.
        Change new_cfa to long.
        Remove regs_off, fpu_save_off, fpu_save.
        Define nframes, mctx.
        Use IS_SIGHANDLER, handler_args, mctx, walk stack instead of
        hardcoded offsets.

2011-02-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * go/gccgo.texi (Top, Import and Export): Fix a typo and a
        markup nit.

2011-02-14  Andriy Gapon <avg@freebsd.org>

        PR target/45808
        * config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * configure: Regenerate.

2011-02-12  Joseph Myers  <joseph@codesourcery.com>

        PR driver/45731
        * gcc.c (asm_options): Correct spec matching --target-help.

2011-02-12  Martin Jambor  <mjambor@suse.cz>

        * tree-cfg.c (verify_gimple_call): Return true upon invalid argument
        to gimple call error.

2011-02-12  Mike Stump  <mikestump@comcast.net>

        * config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
        comments in backslash regions.

2011-02-12  Mike Stump  <mikestump@comcast.net>
            Jakub Jelinek  <jakub@redhat.com>
            Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47324
        * dwarf2out.c (output_cfa_loc): When required, apply the
        DWARF2_FRAME_REG_OUT macro to adjust register numbers.
        (output_loc_sequence): Likewise.
        (output_loc_operands_raw): Likewise.
        (output_loc_sequence_raw): Likewise.
        (output_cfa_loc): Likewise.
        (output_loc_list): Suppress register number adjustment when
        calling output_loc_sequence()
        (output_die): Likewise.

2011-02-12  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
        Remove macros.
        * config/xtensa/xtensa.c (xtensa_register_move_cost,
        xtensa_memory_move_cost): New functions.
        (TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.

2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

        PR lto/47225
        * configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
        in the current directory.
        * configure: Rebuilt.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin.c (darwin_override_options): Add a hunk missed
        from the commit of r168571.  Trim comment line lengths and 
        correct indents of the preceding block.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

        * gcc.c (driver_handle_option): Concatenate the argument to -F with
        the switch.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        * common.opt (nostartfiles): New Driver option.

2011-02-11  Xinliang David Li  <davidxl@google.com>

        PR tree-optimization/47707
        * tree-chrec.c (convert_affine_scev): Keep type precision.

2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47420
        * ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.

2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>

        PR rtl-optimization/47614
        * rtl.h (check_for_inc_dec): Declare.
        * dse.c (check_for_inc_dec): Externalize...
        * postreload.c (reload_cse_simplify): ...use it before deleting stmt.
        (reload_cse_simplify_operands): Don't simplify opnds with side effects.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

        PR driver/47678
        * gcc.c (main): Do not compile inputs if there were errors in
        option handling.
        * opts-common.c (read_cmdline_option): Check for wrong language
        after other error checks.

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

        * cgraph.c: Fix comment typos.
        * cgraph.h: Likewise.
        * cgraphunit.c: Likewise.
        * ipa-cp.c: Likewise.
        * ipa-inline.c: Likewise.
        * ipa-prop.c: Likewise.
        * ipa-pure-const.c: Likewise.
        * ipa-ref.c: Likewise.
        * ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47684
        * tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR testsuite/47400
        * doc/sourcebuild.texi (Require Support): Document
        dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.c (m32c_option_override): Disable
        -fcombine-stack-adjustments until flag value tracking and compare
        optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

        * config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Revert
        change from 2011-02-03.
        * config/rx/rx.c (flags_from_code): Likewise.
        (rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
        is valid, n/pz otherwise.
        (rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47677
        * tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

        PR target/47665
        * combine.c (make_compound_operation): Only change shifts into
        multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

        PR testsuite/47622
        Revert
        2011-02-05  Jie Zhang  <jie@codesourcery.com>
        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47664
        * ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
        all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

        PR target/46481
        PR target/47032
        * config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
        PROCESSOR_POWER7.
        (PROCESSOR_DEFAULT64): Same.
        (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/45505
        * tree-sra.c (struct access): New flags grp_scalar_read and
        grp_scalar_write.  Changed description of assignment read and write
        flags.
        (dump_access): Dump new flags, reorder all of them.
        (sort_and_splice_var_accesses): Set the new flag accordingly, use them
        to detect multiple scalar reads.
        (analyze_access_subtree): Use the new scalar read write flags instead
        of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

        PR target/47548
        * config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
        patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/m68k/uclinux.opt: New.
        * config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/xtensa/elf.opt: New.
        * config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/vax/elf.opt: New.
        * config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config/gnu-user.opt: New.
        * config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
        *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
        *-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

        * config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
        * config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

        * common.opt (fcx-limited-range): Add SetByCombined flag.
        (ffinite-math-only, fmath-errno, frounding-math): Likewise.
        (fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
        (fassociative-math, freciprocal-math): Likewise.
        (funsafe-math-optimizations): Likewise.
        * opth-gen.awk: Handle SetByCombined.
        * optc-gen.awk: Likewise.
        * opts.c (set_fast_math_flags): Don't override flag if set by frontend.
        (set_unsafe_math_optimizations_flags): Likewise.
        * doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
        i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
        m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
        m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
        sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46834
        PR tree-optimization/46994
        PR tree-optimization/46995
        * graphite-sese-to-poly.c (used_outside_reduction): New.
        (detect_commutative_reduction): Call used_outside_reduction.
        (rewrite_commutative_reductions_out_of_ssa_close_phi): Call
        translate_scalar_reduction_to_array only when at least one
        loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47639
        * tree-vect-generic.c (expand_vector_operations_1): Update
        stmts here ...
        (expand_vector_operations): ... not here.  Cleanup EH info
        and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47641
        * tree-ssa.c (execute_update_addresses_taken): For asm outputs
        require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * gimple-low.c (lower_function_body): Don't remove the location of
        the return statement here.
        (lower_gimple_return): Do it here instead but only if the return
        statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47632
        * tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
        unused up_to_stmt parameter, return whether cfg-cleanup is
        necessary, remove EH info properly.
        (forward_propagate_into_gimple_cond): Adjust caller.
        (forward_propagate_into_cond): Likewise.
        (forward_propagate_comparison): Likewise.
        (tree_ssa_forward_propagate_single_use_vars): Make
        forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.opt (mliw): New command line option.
        * config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
        (liw_bundling): New automaton.
        (liw): New attribute.
        (liw_op): New attribute.
        (liw_op1, liw_op2, liw_both, liw_either): New reservations.
        (movsi_internal): Add LIW attributes.
        (andsi3): Likewise.
        (iorsi3): Likewise.
        (xorsi3): Likewise.
        (addsi3): Separate register and immediate alternatives.
        Add LIW attributes.
        (subsi3): Likewise.
        (cmpsi): Likewise.
        (aslsi3): Likewise.
        (lshrsi3): Likewise.
        (ashrsi3): Likewise.
        (liw): New pattern.
        * config/mn10300/mn10300.c (liw_op_names): New
        (mn10300_print_operand): Handle 'W' operand descriptor.
        (extract_bundle): New function.
        (check_liw_constraints): New function.
        (liw_candidate): New function.
        (mn10300_bundle_liw): New function.
        (mn10300_reorg): New function.
        (TARGET_MACHINE_DEPENDENT_REORG): Define.
        (TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
        * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
        __LIW__ or __NO_LIW__.
        * doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
        * config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
        pthread_mutex_unlock): Remove.
        * config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
        * config/pa/t-pa64: Likewise.
        * config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
        shared libc if not linking against libpthread.
        * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

        PR target/47558
        * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
        on 10.6 and later to ensure that we always use the unwinder from
        the system.  Only add -no_compact_unwind when tarteting darwin
        10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
        (vec_interleave_lowv2sf): Ditto.
        (vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
        (vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        PR target/42333
        Add __ieee_divdc3 entry point.
        * config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
        entry point.
        (SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
        * config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
        * config/darwin.c (darwin_rename_builtins): Add.
        * config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47636
        * config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
        for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

        * config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

        PR target/47534
        * config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47615
        * tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
        * tree-ssa-sccvn.c (default_vn_walk_kind): New global.
        (run_scc_vn): Initialize it.
        (visit_reference_op_load): Use it.
        * tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_init_libfuncs): Install SImode and
        DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47621
        * tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
        two duplicates ...
        (execute_update_addresses_taken): ... here.  Make it more
        conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/freebsd.h (ASM_SPEC): Define.
        * config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

        * doc/invoke.texi: Remove reference to compiler internals from
        user documentation.

        * reg-notes.def: Remove REG_VALUE_PROFILE.
        * combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/47610
        * varasm.c (default_section_type_flags): If decl is NULL,
        and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

        PR debug/42631
        * web.c (entry_register): Don't clobber the number of the
        first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/46194
        * tree-data-ref.c (analyze_miv_subscript): Remove comment.
        (build_classic_dist_vector_1): Do not represent classic distance
        vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/iris6.opt: New.
        * config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
            Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/predicates.md (mux1_brcst_element): New.
        * config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
        * config/ia64/ia64.c (ia64_unpack_assemble): New.
        (ia64_unpack_sign): New.
        (ia64_expand_unpack): Rewrite using new routines.
        (ia64_expand_widen_sum): Ditto.
        (ia64_expand_dot_prod_v8qi): Ditto.
        * config/ia64/vect.md (mulv8qi3): Rewrite to use new
        routines, add endian check.
        (pmpy2_even): Rename from pmpy2_r, add endian check.
        (pmpy2_odd): Rename from pmpy2_l, add endian check.
        (vec_widen_smult_lo_v4hi): Rewrite using new routines.
        (vec_widen_smult_hi_v4hi): Ditto.
        (vec_widen_umult_lo_v4hi): Ditto.
        (vec_widen_umult_hi_v4hi): Ditto.
        (mulv2si3): Change endian checks.
        (sdot_prodv4hi): Rewrite with new calls.
        (udot_prodv4hi): New.
        (vec_pack_ssat_v4hi): Add endian check.
        (vec_pack_usat_v4hi): Ditto.
        (vec_pack_ssat_v2si): Ditto.
        (max1_even): Rename from max1_r, add endian check.
        (max1_odd): Rename from max1_l, add endian check.
        (*mux1_rev): Format change.
        (*mux1_mix): Ditto.
        (*mux1_shuf): Ditto.
        (*mux1_alt): Ditto.
        (*mux1_brcst_v8qi): Use new predicate.
        (vec_extract_evenv8qi): Remove endian check.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Format change.
        (vec_interleave_highv4hi): Ditto.
        (mix2_even): Rename from mix2_r, add endian check.
        (mix2_odd): Rename from mux2_l, add endian check.
        (*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_helper): Format change.
        (vec_extract_evenv4hi): Remove endian check.
        (vec_extract_oddv4hi): Remove endian check.
        (vec_interleave_lowv2si): Format change.
        (vec_interleave_highv2si): Format change.
        (vec_initv2si): Remove endian check.
        (vecinit_v2si): Add endian check.
        (reduc_splus_v2sf): Add endian check.
        (reduc_smax_v2sf): Ditto.
        (reduc_smin_v2sf): Ditto.
        (vec_initv2sf): Remove endian check.
        (fpack): Add endian check.
        (fswap): Add endian check.
        (vec_interleave_highv2sf): Add endian check.
        (vec_interleave_lowv2sf): Add endian check.
        (fmix_lr): Add endian check.
        (vec_setv2sf): Format change.
        (*vec_extractv2sf_0_be): Use shift to extract operand.
        (*vec_extractv2sf_1_be): New.
        (vec_pack_trunc_v4hi): Add endian check.
        (vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR inline-asm/23200
        * tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
        do bb, locus and block comparison and disallow loads if it is not set.
        (stmt_is_replaceable_p): New function.
        (process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
        callers.
        * expr.c (expand_expr_real_1) <case SSA_NAME>: If
        get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
        SSA_NAME_DEF_STMT.
        * tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/xilinx.opt: New.
        * config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
        PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
        secondary_reload_info, xtensa_secondary_reload): Remove.
        * config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
        TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
        (xtensa_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
        Use CONST_DOUBLE_P predicate.
        (xtensa_preferred_output_reload_class): New function.
        (xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
        Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
        Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/31490
        * output.h (SECTION_RELRO): Define.
        (SECTION_MACH_DEP): Adjust.
        (get_variable_section): New prototype.
        * varpool.c (varpool_finalize_named_section_flags): New function.
        (varpool_assemble_pending_decls): Call it.
        * cgraph.h (varpool_finalize_named_section_flags): New prototype.
        * cgraphunit.c (cgraph_output_in_order): Call
        varpool_finalize_named_section_flags.
        * varasm.c (get_section): Allow section flags conflicts between
        relro and read-only sections if the section hasn't been declared yet.
        Set SECTION_OVERRIDE after diagnosing section type conflict.
        (get_variable_section): No longer static.
        (default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
        readonly sections that need relocations.
        (decl_readonly_section_1): New function.
        (decl_readonly_section): Use it.

        Revert:
        2010-11-17  Dinar Temirbulatov <dtemirbulatov@gmail.com>
                    Steve Ellcey  <sje@cup.hp.com>

        PR middle-end/31490
        * varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
        if section attribute used.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        * config/darwin.h (SECTION_NO_ANCHOR): Remove.
        * config/darwin.c (SECTION_NO_ANCHOR): Define.
        (darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

        * config/rx/predicates.md (rx_zs_comparison_operator): Remove
        lt and ge.
        * config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
        * config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
        instead of "n" and "pz".
        (flags_from_code): LT and GE tests need CC_FLAG_O as well as
        CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/47312
        * expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
        fma, expand FMA_EXPR as fma{,f,l} call.

        PR lto/47274
        * lto-streamer-out.c (write_symbol): When writing kind and visibility,
        copy them into a unsigned char variable and pass address of it to
        lto_output_data_stream.

        PR target/47564
        * toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
        around backend_init_target and lang_dependent_init_target calls.
        * cgraphunit.c (cgraph_debug_gimple_stmt): New function.
        (verify_cgraph_node): Don't call set_cfun here.  Use
        cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
        Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/43092
        PR rtl-optimization/43494
        * rtl.h (for_each_inc_dec_fn): New type.
        (for_each_inc_dec): Declare.
        * rtlanal.c (struct for_each_inc_dec_ops): New type.
        (for_each_inc_dec_find_inc_dec): New fn.
        (for_each_inc_dec_find_mem): New fn.
        (for_each_inc_dec): New fn.
        * dse.c (struct insn_size): Remove.
        (replace_inc_dec, replace_inc_dec_mem): Remove.
        (emit_inc_dec_insn_before): New fn.
        (check_for_inc_dec): Use it, along with for_each_inc_dec.
        (canon_address): Pass mem modes to cselib_lookup.
        * cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
        (cselib_lookup_from_insn): Likewise.
        (cselib_subst_to_values): Likewise.
        * cselib.c (find_slot_memmode): New var.
        (cselib_find_slot): New fn.  Use it instead of
        htab_find_slot_with_hash everywhere.
        (entry_and_rtx_equal_p): Use find_slot_memmode.
        (autoinc_split): New fn.
        (rtx_equal_for_cselib_p): Rename and implement in terms of...
        (rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
        Deal with autoinc.  Special-case recursion into MEMs.
        (cselib_hash_rtx): Likewise.
        (cselib_lookup_mem): Infer pmode from address mode.  Distinguish
        address and MEM modes.
        (cselib_subst_to_values): Add memmode, pass it on.
        Deal with autoinc.
        (cselib_lookup): Add memmode argument, pass it on.
        (cselib_lookup_from_insn): Add memmode.
        (cselib_invalidate_rtx): Discard obsolete push_operand handling.
        (struct cselib_record_autoinc_data): New.
        (cselib_record_autoinc_cb): New fn.
        (cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
        mode to cselib_lookup.  Reset autoinced REGs here instead of...
        (cselib_process_insn): ... here.
        * var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
        to cselib_lookup.
        (add_uses): Likewise, also to cselib_subst_to_values.
        (add_stores): Likewise.
        * sched-deps.c  (add_insn_mem_dependence): Pass mode to
        cselib_subst_to_values.
        (sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
        * gcse.c (do_local_cprop): Adjusted.
        * postreload.c (reload_cse_simplify_set): Adjusted.
        (reload_cse_simplify_operands): Adjusted.
        * sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

        PR tree-optimization/45122
        * tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
        unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47272
        * doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
        Document using vector double with the load/store builtins, and
        that the load/store builtins always use Altivec instructions.

        * config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
        to use altivec memory instructions, even on VSX.
        (vector_altivec_store_<mode>): Ditto.

        * config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
        function.

        * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
        V2DF, V2DI support to load/store overloaded builtins.

        * config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
        altivec load/store builtins for V2DF/V2DI types.

        * config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
        set avoid indexed addresses on power6 if -maltivec.
        (altivec_expand_ld_builtin): Add V2DF, V2DI support, use
        vector_altivec_load/vector_altivec_store builtins.
        (altivec_expand_st_builtin): Ditto.
        (altivec_expand_builtin): Add VSX memory builtins.
        (rs6000_init_builtins): Add V2DI types to internal types.
        (altivec_init_builtins): Add support for V2DF/V2DI altivec
        load/store builtins.
        (rs6000_address_for_altivec): Insure memory address is appropriate
        for Altivec.

        * config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
        vec_vsx_ld and vec_vsx_st.
        (vsx_store_<mode>): Ditto.

        * config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
        variables to hold long long types for VSX vector memory builtins.
        (RS6000_BTI_unsigned_long_long): Ditto.
        (long_long_integer_type_internal_node): Ditti.
        (long_long_unsigned_type_internal_node): Ditti.

        * config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
        (altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
        (altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

        * config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
        short cuts.
        (vec_vsx_st): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/pa/pa-hpux10.opt: New.
        * config/hpux11.opt (pthread): New Driver option.
        * config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
        * config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/ia64/vms.opt: New.
        * config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47580
        * config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
        gpc_reg_operand instead of vsx_register_operand to match rs6000.md
        generator functions.
        (vsx_floatuns<VSi><mode>2): Ditto.
        (vsx_fix_trunc<mode><VSi>2): Ditto.
        (vsx_fixuns_trunc<mode><VSi>2): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

        * config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
        Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

        PR rtl-optimization/47525
        * df-scan.c: Update copyright years.
        (df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
        and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * config/i386/sysv4.h (TARGET_VERSION): Remove.
        (SUBTARGET_RETURN_IN_MEMORY): Remove.
        (ASM_OUTPUT_ASCII): Remove.
        * config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

        PR middle-end/47543
        * reload.c (find_reloads_address): Handle reg+d address where both
        components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/40979
        PR bootstrap/47044
        * passes.c (init_optimization_passes): After LIM call copy_prop
        and DCE to clean up.
        * tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47576
        PR tree-optimization/47555
        * doc/invoke.texi (scev-max-expr-complexity): Documented.
        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
        (PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
        * tree-scalar-evolution.c (follow_ssa_edge): Use
        PARAM_SCEV_MAX_EXPR_COMPLEXITY.

2011-02-02  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47566
        * builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Remove unused caller
        variable.

        PR debug/47106
        PR debug/47402
        * tree-flow-inline.h (clear_is_used, is_used_p): New.
        * cfgexpand.c (account_used_vars_for_block): Use them.
        * tree-nrv.c (tree_nrv): Likewise.
        * tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
        (dump_scope_block): Likewise.
        (remove_unused_locals): Likewise.

        PR debug/47106
        PR debug/47402
        * tree-inline.c (declare_return_variable): Add result decl to
        local decls only once.
        * gimple-low.c (record_vars_into): Mark newly-created variables
        as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47498
        PR debug/47501
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nto.opt: New.
        * config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/netware.opt: New.
        * config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

        * config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

        * config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
        class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47561
        * toplev.c (process_options): Print the Graphite flags.  Add
        flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/vxworks.opt: New.
        * config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/elf.opt: New.
        * config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
        alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47559
        * tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
        store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

        * tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
        * tree-pass.h (TDF_CSELIB): New macro.
        * cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
        cselib_lookup): Check for it rather than for TDF_DETAILS.

2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47547
        * lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
        is HOST_BIT_BUCKET.

        * opts.c (finish_options): Don't add x_aux_base_name if it is
        HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47555
        Revert
        2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

        * params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

        PR gcc/46692
        * config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47541
        * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
        sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/alpha/osf5.opt: New.
        * config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

        * config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

        * common.opt (ftree-loop-linear): Use Alias to make it an alias of
        -floop-interchange.
        * invoke.texi (-ftree-loop-linear): Make it clear that this flag
        is an alias of -floop-interchange and that it requires the
        Graphite infrastructure.
        * tree-ssa-loop.c (gate_graphite_transforms): Do not set
        flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
            Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47538
        * tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
        type instead of r1type, except for comparisons.  For right
        shifts and comparisons punt if there are mismatches in
        sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * doc/sourcebuild.texi (Effective-Target Keywords): Document
        avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
        version number.
        * configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_option): Define.
        (gcc_cv_ld_dynamic_option): Define.
        (gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
        instead.
        (HAVE_LD_STATIC_DYNAMIC): Update message.
        (LD_STATIC_OPTION): Define.
        (LD_DYNAMIC_OPTION): Define.
        * configure: Regenerate.
        * config.in: Regenerate.
        * gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
        HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
        registers inside interrupt handlers if the handler is not a leaf
        function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

        * config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
        reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        PR libgcj/44341
        * doc/install.texi: Document host options discarded when cross
        configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

        Reverted:
        2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000.c (print_operand): Rearrange addends in
        toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

        * doc/extend.texi: Follow spelling conventions.
        * doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

        * config/hpux11.opt: New.
        * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
        ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong <jon_y@users.sourceforge.net>

        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
        to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (hppa-hp-hpux10): Remove references to HP
        support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/install.texi (Binaries): Remove outdated reference for
        Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/extend.texi (Thread-Local): Adjust reference to Ulrich
        Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

        PR bootstrap/47147
        * ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
        used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

        * value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

        * config/arm/arm.c (arm_legitimize_reload_address): New.
        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
        arm_legitimize_reload_address.
        * config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Ignore macros whose definitions include
        two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/42894
        * varasm.c (force_const_mem): Store copy of x in desc->constant
        instead of x itself.
        * expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
        itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

        * config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
        -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
        * config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
        * config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
        (s390_preferred_reload_class): Make static. Change return and
        'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

        PR middle-end/46949
        * cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
        (process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47228
        * tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
        build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson <mikpe@it.uu.se>

        PR rtl-optimization/46856
        * postreload.c (reload_combine_recognize_const_pattern): Do not
        separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR c/43082
        * c-typeck.c (c_objc_common_truthvalue_conversion): If we are
        passed a VOID_TYPE expression, immediately emit an error and
        return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

        PR rtl-optimization/47464
        * df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
        rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

        PR rtl-optimization/46878
        * combine.c (insn_a_feeds_b): Check for the implicit cc0
        setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

        PR rtl-optimization/44469
        * cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
        after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/i386/netware.h (LINK_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
        * config/frv/frv.h (LINK_SPEC): Likewise.
        * config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

        * config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
        * config/frv/frv.h (ASM_SPEC): Likewise.
        * config/i386/sol2-10.h (ASM_SPEC): Likewise.
        * config/m68k/linux.h (ASM_SPEC): Likewise.
        * config/pa/pa-linux.h (ASM_SPEC): Likewise.
        * config/rs6000/linux64.h (ASM_SPEC32): Likewise.
        * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
        * config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
        * config/sparc/linux.h (ASM_SPEC): Likewise.
        * config/sparc/linux64.h (ASM_SPEC): Likewise.
        * config/sparc/sp-elf.h (ASM_SPEC): Likewise.
        * config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
        (*mux2): Ditto.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si: Ditto.
        (vec_pack_trunc_v2si): Ditto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR target/47237
        * cgraph.h (cgraph_local_info): New field can_change_signature.
        * ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
        signature can change.
        (ipcp_estimate_growth): Call sequence simplify only if calle signature
        can change.
        (ipcp_insert_stage): Only compute args_to_skip if signature can change.
        (cgraph_function_versioning): We can not change signature of functions
        that don't allow that.
        * lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
        (lto_input_node): Likewise.
        * ipa-inline.c (compute_inline_parameters): Compute
        local.can_change_signature.
        * ipa-split.c (visit_bb): Never split away APPLY_ARGS.
        * tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
        functions that can not change signature.
        * i386.c (ix86_function_regparm, ix86_function_sseregparm,
        init_cumulative_args): Do not use local calling conventions
        for functions that can not change signature.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47190
        * cgraphunit.c (process_common_attributes): New function.
        (process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

        PR lto/47423
        * cgraphbuild.c (record_eh_tables): Record reference to personality
        function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45454
        * sel-sched.c (moveup_expr): Don't let debug insns prevent
        non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR target/40125
        * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
        t-dlldir{,-x} fragment for build and add it to tmake_file.
        (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
        * Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
        * config/i386/t-dlldir: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-dlldir-x: New file.
        (SHLIB_DLLDIR): Define.
        * config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
        (SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

        PR target/47246
        * config/arm/arm.c (thumb2_legitimate_index_p): Change the
        lower bound of the allowed Thumb-2 coprocessor load/store
        index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_define): Improve lexing of macro expansion to only
        accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/43601
        * tree.c (handle_dll_attribute): Handle it.
        * doc/extend.texi (@item dllexport): Mention it.
        * doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

        PR tree-optimization/26854
        * c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
        (decl_jump_unsafe): Move higher in file, with no other change.
        (bind): Set has_jump_unsafe_decl if appropriate.
        (update_label_decls): Test has_jump_unsafe_decl to avoid loop.
        (check_earlier_gotos): Likewise.
        (c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

        * doc/invoke.texi (Warning Options): Add missing hyphen.
        (-fprofile-dir): Minor grammatical fixes.
        (-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/45136
        PR debug/45130
        * haifa-sched.c (get_ebb_head_tail): Move notes across boundary
        debug insns.
        (no_real_insns_p, schedule_block, set_priorities): Drop special
        treatment of boundary debug insns.
        * sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
        * sched-ebb.c (schedule_ebbs): Don't skip debug insns.
        * sched-int.h (DEBUG_INSN_SCHED_P): Remove.
        (BOUNDARY_DEBUG_INSN_P): Likewise.
        (SCHEDULE_DEBUG_INSN_P): Likewise.
        * sched-rgn.c (init_ready_list): Drop special treatment of
        boundary debug insns.
        * final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * Makefile.in (LAMBDA_H): Removed.
        (TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
        (OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
        lambda-trans.o, and tree-loop-linear.o.
        (lto-symtab.o): Remove dependence on LAMBDA_H.
        (tree-loop-linear.o): Remove rule.
        (lambda-mat.o): Same.
        (lambda-trans.o): Same.
        (lambda-code.o): Same.
        (tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
        (tree-vect-slp.o): Same.
        * hwint.h (gcd): Moved here.
        (least_common_multiple): Same.
        * lambda-code.c: Removed.
        * lambda-mat.c: Removed.
        * lambda-trans.c: Removed.
        * lambda.h: Removed.
        * tree-loop-linear.c: Removed.
        * lto-symtab.c: Do not include lambda.h.
        * omega.c (gcd): Removed.
        * passes.c (init_optimization_passes): Remove pass_linear_transform.
        * tree-data-ref.c (print_lambda_vector): Moved here.
        (lambda_vector_copy): Same.
        (lambda_matrix_copy): Same.
        (lambda_matrix_id): Same.
        (lambda_vector_first_nz): Same.
        (lambda_matrix_row_add): Same.
        (lambda_matrix_row_exchange): Same.
        (lambda_vector_mult_const): Same.
        (lambda_vector_negate): Same.
        (lambda_matrix_row_negate): Same.
        (lambda_vector_equal): Same.
        (lambda_matrix_right_hermite): Same.
        * tree-data-ref.h: Do not include lambda.h.
        (lambda_vector): Moved here.
        (lambda_matrix): Same.
        (dependence_level): Same.
        (lambda_transform_legal_p): Removed declaration.
        (lambda_collect_parameters): Same.
        (lambda_compute_access_matrices): Same.
        (lambda_vector_gcd): Same.
        (lambda_vector_new): Same.
        (lambda_vector_clear): Same.
        (lambda_vector_lexico_pos): Same.
        (lambda_vector_zerop): Same.
        (lambda_matrix_new): Same.
        * tree-flow.h (least_common_multiple): Removed declaration.
        * tree-parloops.c (lambda_trans_matrix): Moved here.
        (LTM_MATRIX): Same.
        (LTM_ROWSIZE): Same.
        (LTM_COLSIZE): Same.
        (LTM_DENOMINATOR): Same.
        (lambda_trans_matrix_new): Same.
        (lambda_matrix_vector_mult): Same.
        (lambda_transform_legal_p): Same.
        * tree-pass.h (pass_linear_transform): Removed declaration.
        * tree-ssa-loop.c (tree_linear_transform): Removed.
        (gate_tree_linear_transform): Removed.
        (pass_linear_transform): Removed.
        (gate_graphite_transforms): Make flag_tree_loop_linear an alias of
        flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47265
        PR tree-optimization/47443
        * tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
        if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/47382
        * gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
        (gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill <joel.sherrill@oarcorp.com>

        * config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
        sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47426
        * tree-ssa-structalias.c (ipa_pta_execute): Make externally
        visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/45701
        * config/arm/arm.c (any_sibcall_uses_r3): New function.
        (arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47271
        * tree-if-conv.c (bb_postdominates_preds): New.
        (if_convertible_bb_p): Call bb_postdominates_preds.
        (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
        (predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
        * config/rx/rx.c (rx_function_value): Likewise.
        (rx_promote_function_mode): Likewise.
        (gen_safe_add): Place an outsized immediate value inside an UNSPEC
        in order to make it legitimate.
        * config/rx/rx.md (adddi3_internal): If the second operand is a MEM
        make sure that the first operand is the same as the result register.
        (addsi3_unspec): Delete.
        (subdi3): Do not accept immediate operands.
        (subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

        PR rtl-optimization/37273
        * ira-costs.c (scan_one_insn): Detect constants living in memory and
        handle them like argument loads from stack slots.  Do not double
        count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47427
        PR tree-optimization/47428
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
        coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47414
        * tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
        correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
        (close_phi_written_to_memory): Call for_each_index with
        dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
        when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
        call to graphite_find_data_references_in_stmt.
        * graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
        (try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
        call to graphite_find_data_references_in_stmt.
        (analyze_drs_in_stmts): Same.
        * tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
        in which the scalar analysis of indices is performed.
        (create_data_ref): Same.  Update call to dr_analyze_indices.
        (find_data_references_in_stmt): Update call to create_data_ref.
        (graphite_find_data_references_in_stmt): Same.
        * tree-data-ref.h (graphite_find_data_references_in_stmt): Update
        declaration.
        (create_data_ref): Same.
        * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
        call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (build_poly_scop): Move
        rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
        VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (reduction_dr_1): Allow several reductions
        in a reduction PBB.
        * graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
        that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-scop-detection.c (same_close_phi_node): New.
        (remove_duplicate_close_phi): New.
        (make_close_phi_nodes_unique): New.
        (canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
        * graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
        of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Remove
        the gdim parameter.
        (build_lexicographical_constraint): Adjust call to
        ppl_powerset_is_empty.
        (dependence_polyhedron): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
        parameter.
        * graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-sese-to-poly.c
        (translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
        (close_phi_written_to_memory): New.
        (translate_scalar_reduction_to_array): Call close_phi_written_to_memory
        and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * doc/install.texi: Update the expected version number of PPL to 0.11.
        * graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
        #if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c: Include graphite-cloog-util.h.
        (new_poly_ddr): Inlined into dependence_polyhedron.
        (free_poly_ddr): Moved close by new_poly_ddr.
        (dependence_polyhedron_1): Renamed dependence_polyhedron.
        Early return NULL when ppl_powerset_is_empty returns true.
        (dependence_polyhedron): Renamed new_poly_ddr.  Call only once
        poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
        (graphite_legal_transform_dr): Call new_poly_ddr.
        (graphite_carried_dependence_level_k): Same.
        (dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
        (dot_transformed_deps_stmt_1): Removed.
        (dot_deps_stmt_1): Call dot_deps_stmt_2.
        (dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
        (dot_deps_1): Call dot_deps_2.
        * Makefile.in (graphite-dependences.o): Add missing dependence on
        graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
        (build_lexicographical_constraint): Same.
        (dependence_polyhedron_1): Same.
        (graphite_legal_transform_dr): Same.
        (graphite_carried_dependence_level_k): Same.
        * graphite-ppl.c (ppl_powerset_is_empty): New.
        * graphite-ppl.h (ppl_powerset_is_empty): Declared.
        * tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_pairwise_scheduling): Correctly compute
        the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (build_lexicographical_constraint): Stop the
        iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
        nest and two loop depths as parameters.
        (lst_try_interchange_loops): Call lst_interchange_profitable_p after
        lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-dependences.c (print_pddr): Call
        ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

        * graphite-ppl.c (debug_gmp_value): New.
        * graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

        * doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

        * graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
        invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

        PR c/21659
        * doc/extend.texi (weak pragma): Drop claim that it must
        appear before definition.
        * varasm.c (merge_weak, declare_weak): Only sanity check
        that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

        * machmode.def: Fixed comments.

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

        * emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

        * builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
        WORDS_BIG_ENDIAN.

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/46519
        * config/i386/i386.c: Include sbitmap.h and fibheap.h.
        (block_info): Add scanned and prev.
        (move_or_delete_vzeroupper_2): Return if the basic block
        has been scanned and the upper 128bit state is unchanged
        from the last scan.
        (move_or_delete_vzeroupper_1): Return true if the exit
        state is changed.
        (move_or_delete_vzeroupper): Visit basic blocks using the
        work-list based algorithm based on vt_find_locations in
        var-tracking.c.

        * config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

        * config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
        * config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
        -mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
        then define __v850e1__.
        * doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
        compound unordered comparisons.
        * config/rx/rx.c (rx_split_fp_compare): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (gcc_conds, rx_conds): Remove.
        (cbranchsf4): Don't call rx_split_fp_compare.
        (*cbranchsf4): Use rx_split_cbranch.
        (*cmpsf): Don't accept "i" constraint.
        (*conditional_branch): Only valid after reload.
        (cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47385
        * config/rs6000/altivec.md (vector constant splitters): Add
        support for creating vector single precision constants if -mvsx is
        used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
            Richard Sandiford  <rdsandiford@googlemail.com>

        PR rtl-optimization/47166
        * reload1.c (emit_reload_insns): Disable the spill_reg_store
        mechanism for PRE_MODIFY and POST_MODIFY.
        (inc_for_reload): For PRE_MODIFY, return the insn that sets the
        reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

        * compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR lto/47333
        * lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/43884
        PR lto/44334
        * predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
        * doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
        * config/s390/s390.c (s390_register_move_cost,
        s390_memory_move_cost): New.
        (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR middle-end/47401
        * except.c (sjlj_assign_call_site_values): Move setting the
        crtl->uses_eh_lsda flag to ...
        (sjlj_mark_call_sites): ... here.
        (sjlj_emit_function_enter): Support NULL dispatch label.
        (sjlj_build_landing_pads): In a function with no landing pads
        that still has must-not-throw regions, generate code to register
        a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

        * config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

        * config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

        * compare-elim.c: New file.
        * Makefile.in (OBJS-common): Add it.
        (compare-elim.o): New.
        * common.opt (fcompare-elim): New.
        * opts.c (default_options_table): Add OPT_fcompare_elim.
        * tree-pass.h (pass_compare_elim_after_reload): New.
        * passes.c (init_optimization_passes): Add it.
        * recog.h: Protect against re-inclusion.
        * target.def (TARGET_FLAGS_REGNUM): New POD hook.
        * doc/invoke.texi (-fcompare-elim): Document it.
        * doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
        * doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (cstoresf4): Pass comparison operator to
        rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

        * config/rx/rx.md (UNSPEC_CONST): New.
        (deallocate_and_return): Wrap the amount popped off the stack in
        an UNSPEC_CONST in order to stop it being rejected by
        -mmax-constant-size.
        (pop_and_return): Add a "(return)" rtx.
        (call): Drop the immediate operand.
        (call_internal): Likewise.
        (call_value): Likewise.
        (call_value_internal): Likewise.
        (sibcall_internal): Likewise.
        (sibcall_value_internal): Likewise.
        (sibcall): Likewise.  Generate an explicit call using
        sibcall_internal.
        (sibcall_value): Likewise.
        (mov<>): FAIL if a constant operand is not legitimate.
        (addsi3_unpsec): New pattern.

        * config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
        (ok_for_max_constant): New function.
        (gen_safe_add): New function.
        (rx_expand_prologue): Use gen_safe_add.
        (rx_expand_epilogue): Likewise.
        (rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
        UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

        PR tree-optimization/47053
        * tree-ssa-dse.c (need_eh_cleanup): New bitmap.
        (dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
        statements are deleted.
        (tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
        is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47402
        Temporarily revert:
        2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
        PR debug/47106
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/45566
        * except.c (convert_to_eh_region_ranges): Emit queued no-region
        notes from other section in hot/cold partitioning even if
        last_action is -3.  Increment call_site_base.

        PR rtl-optimization/47366
        * fwprop.c (forward_propagate_into): Return bool.  If
        any changes are made, -fnon-call-exceptions is used and
        REG_EH_REGION note is present, call purge_dead_edges
        and return true if it purged anything.
        (fwprop_addr): Adjust callers, call cleanup_cfg (0) if
        any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

        PR rtl-optimization/41619
        * caller-save.c (setup_save_areas): Break out code to determine
        which hard regs are live across calls by examining the reload chains
        so that it is always used.
        Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47355
        * tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
        NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47106
        * cfgexpand.c (account_used_vars_for_block): Only account vars
        that are annotated as used.
        (estimated_stack_frame_size): Don't set TREE_USED.
        * tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47395
        * tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47365
        * tree-ssa-sccvn.h (vn_lookup_kind): Declare.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        * tree-ssa-sccvn.c (vn_walk_kind): New static global.
        (vn_reference_lookup_3): Only look through kills if in
        VN_WALKREWRITE mode.
        (vn_reference_lookup_pieces): Adjust.
        (vn_reference_lookup): Likewise.
        (visit_reference_op_load): Likewise.
        (visit_reference_op_store): Likewise.
        * tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
        (compute_avail): Likewise.
        (eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

        * tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
        DECL_IGNORED_P non-reg vars if they are used.

        PR tree-optimization/47391
        * varpool.c (const_value_known_p): Return false if
        decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47215
        * config/i386/i386.c (ix86_local_alignment): Handle
        case for va_list_type_node is nil.
        (ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

        * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
        builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/arm.md (define_attr type): Rename f_load
        and f_store to f_fpa_load and f_fpa_store. Update.
        (write_conflict): Deal with rename fallout.
        (*push_fp_multi): Likewise.
        * config/arm/fpa.md (f_load): Use f_fpa_load.
        (f_store): Use f_fpa_store.
        (*movsf_fpa): Likewise.
        (*movdf_fpa): Likewise.
        (*movxf_fpa): Likewise.
        (*thumb2_movsf_fpa): Likewise.
        (*thumb2_movdf_fpa): Likewise.
        (*thumb2_movxf_fpa): Likewise.
        * config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
        f_loadd and f_stored.
        (*thumb2_movdi_vfp): Likewise.
        (*thumb2_movsf_vfp): Fix attribute to f_loads.
        (*thumb2_movsi_vfp): Likewise.
        * config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
        Use f_loads instead of f_load.
        * config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
        * config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
        * config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
        (xtensa_mode_dependent_address_p): New function.
        (constantpool_address_p): Make static. Change return type to bool.
        Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46583
        * tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/47283
        * cfgexpand.c (expand_debug_expr): Instead of generating
        (mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
        etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47370
        * tree-inline.c (remap_gimple_op_r): Recurse manually for
        the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/46130
        * ipa-split.c (consider_split): If return_bb contains non-virtual
        PHIs other than for retval or if split_function would not adjust it,
        refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47167
        * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
        Revert previous change, only avoid enumeral type changes.

2011-01-19  Mike Stump  <mikestump@comcast.net>

        * doc/tm.texi.in (BRANCH_COST): Englishify.
        * doc/tm.texi (BRANCH_COST): Likewise.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

        PR c++/47291
        * dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
        (gen_scheduled_generic_parms_dies): New functions.
        (gen_struct_or_union_type_die): Schedule template parameters DIEs
        generation for the end of CU compilation.
        (dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/46240
        * tree-into-ssa.c (maybe_register_def): Do not attempt to add
        debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        PR debug/47079
        PR debug/46724
        * function.c (instantiate_expr): Instantiate incoming rtl of
        implicit arguments, and recurse on VALUE_EXPRs.
        (instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
        * var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * c-parser.c (c_parser_for_statement): Initialize
        collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
        (LINK_SHLIB_SPEC): Don't use %(link_path).
        (SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
        (NO_SHARED_LIB_SUPPORT): Remove.
        (LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.
        * config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
        * config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared} and conditionals on these options not being passed.
        * config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
        %{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        * ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
        simplify.

        * ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
        (*mulsi3): Likewise.

        * longlong.h [__mn10300__] (count_leading_zeros): New.
        [__mn10300__] (umul_ppmm, smul_ppmm): New.
        [__mn10300__] (add_ssaaaa, subddmmss): New.
        [__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
        [__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.md (addsi3_flags): New.
        (addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
        (subsi3_flags, subc_internal, subdi3): New.
        (subdi3_internal, *subdi3_degenerate): New.
        * config/mn10300/predicates.md (reg_or_am33_const_operand): New.

        * config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
        (mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
        (mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
        (return_ret): Likewise.  Rename from return_internal_regs.
        (return_internal): Remove.

        * config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
        (mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
        (mn10300_legitimate_constant_p): Likewise.
        (mn10300_can_use_return_insn): Use mn10300_initial_offset.
        (mn10300_frame_size): New.
        (mn10300_expand_prologue): Use it.
        (mn10300_expand_epilogue): Likewise.
        (mn10300_initial_offset): Likewise.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
        * config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
        (prologue, epilogue, return_internal): Tidy output code.
        (mn10300_store_multiple_operation, return): Likewise.
        (int_label, pop_pic_reg, GOTaddr2picreg): Remove.
        (am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
        (add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
        (load_pic, am33_load_pic): New.
        (mn10300_load_pic0, mn10300_load_pic1): New.

        * config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
        * config/mn10300/mn10300.c (CC_FLAG_Z): New.
        (CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
        (cc_flags_for_mode, cc_flags_for_code): New.
        (mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
        overflow flag is not valid.  Validate that the flags we need
        for the comparison are valid.
        (mn10300_output_cmp): Remove.
        (mn10300_output_add): New.
        (mn10300_select_cc_mode): Use cc_flags_for_code.
        (mn10300_split_cbranch): New.
        (mn10300_match_ccmode): New.
        (mn10300_split_and_operand_count): New.
        * config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
        to the function.
        * config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
        (addsi3): ... here.  Use mn10300_output_add.
        (*addsi3_flags): New.
        (*am33_subsi3, *mn10300_subsi3): Merge...
        (subsi3): ... here.  Use attribute isa.
        (*subsi3_flags): New.
        (negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
        when possible.
        (*am33_andsi3, *mn10300_andsi3): Merge...
        (andsi3): ... here.
        (*andsi3_flags): New.
        (andsi3 splitters): New.
        (*am33_iorsi3, *mn10300_iorsi3): Merge...
        (iorsi3): ... here.
        (*iorsi3_flags): New.
        (*am33_xorsi3, *mn10300_xorsi3): Merge...
        (xorsi3): ... here.
        (*xorsi3_flags): New.
        (*am33_cmpsi2, *mn10300_cmplsi2): Merge...
        (one_cmplsi2): ... here.
        (*one_cmplsi2_flags): New.
        (*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
        instead of "dax" in constraints.  Use mn10300_split_cbranch.
        (*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
        use matching constraints to eliminate a self-comparison.
        (*integer_conditional_branch): Rename from integer_conditional_branch.
        Use int_mode_flags to match CC_REG.
        (*cbranchsi4_btst, *btstsi): New.
        (*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
        mn10300_split_cbranch.
        (*am33_cmpsf): Rename from am33_cmpsf.
        (*float_conditional_branch): Rename from float_conditional_branch.
        (*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
        (zero_extendqisi2): ... here.
        (*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
        (zero_extendhisi2): ... here.
        (*extendqisi2_am33, *extendqisi2_mn10300): Merge...
        (extendqisi2): ... here.
        (*extendhisi2_am33, *extendhisi2_mn10300): Merge...
        (extendhisi2): ... here.
        (*am33_ashlsi3, *mn10300_ashlsi3): Merge...
        (ashlsi3): ... here.
        (*am33_lshrsi3, *mn10300_lshrsi3): Merge...
        (lshrsi3): ... here.
        (*am33_ashrisi3, *mn10300_ashrsi3): Merge...
        (ashrsi3): ... here.
        (consecutive add peephole): Remove.
        * config/mn10300/predicates.md (label_ref_operand): New.
        (int_mode_flags): New.
        (CCZN_comparison_operator): New.

        * config/mn10300/mn10300.md (UNSPEC_EXT): New.
        (throughput_42_latency_43): New reservation.
        (mulsidi3, umulsidi3): New expanders.
        (mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
        the MDR register to allocation; separately allocate the low and
        high parts of the DImode result.
        (umulsidi3_internal): Similarly.
        (*am33_mulsi3, *mn10300_mulsi3): Merge into ...
        (*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
        (udivsi3, umodsi3): Remove.
        (udivmodsi4, divmodsi4): New expanders.
        (*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
        (*divmodsi4): Simiarly.
        (ext_internal): New.

        * config/mn10300/constraints.md ("z"): New constraint.
        * config/mn10300/mn10300.h (MDR_REGNUM): Remove.
        (FIXED_REGISTERS): Don't fix MDR.
        (CALL_USED_REGSITERS): Reformat nicely.
        (REG_ALLOC_ORDER): Add MDR.
        (enum regclass): Add MDR_REGS.
        (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
        (IRA_COVER_CLASSES): Add MDR_REGS.
        (REGNO_REG_CLASS): Handle MDR_REG.
        * config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
        (mn10300_register_move_cost): Likewise.
        * config/mn10300/mn10300.md (MDR_REG): New.
        (*movsi_internal): Handle moves to/from MDR_REGS.

        * config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
        POST_MODIFY.
        (mn10300_secondary_reload): Tidy combination reload classes.
        (mn10300_legitimate_address_p): Allow post-modify and reg+reg
        addresses for AM33.  Allow symbolic offsets for reg+imm.
        (mn10300_regno_in_class_p): New.
        (mn10300_legitimize_reload_address): New.
        * config/mn10300/mn10300.h (enum reg_class): Remove
        DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
        SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
        SP_OR_GENERAL_REGS.
        (REG_CLASS_NAMES): Update to match.
        (REG_CLASS_CONTENTS): Likewise.
        (INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
        (BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
        (REGNO_IN_RANGE_P): Remove.
        (REGNO_DATA_P): Use mn10300_regno_in_class_p.
        (REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
        (REGNO_STRICT_OK_FOR_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
        (REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
        (REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
        (REGNO_GENERAL_P): New.
        (HAVE_POST_MODIFY_DISP): New.
        (USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
        (LEGITIMIZE_RELOAD_ADDRESS): New.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
        DATA_REGS for AM33 stack-pointer destination.
        (mn10300_preferred_output_reload_class): Likewise.
        (mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
        into a form appropriate for ...
        (TARGET_SECONDARY_RELOAD): New.
        * config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
        reload_insi; use the "A" constraint for the scratch; handle AM33
        moves of sp to non-address registers.

        * config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
        (*movqi_internal): ... here.
        (*am33_movhi, *mn10300_movhi): Merge into...
        (*movhi_internal): ... here.
        (*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
        as the source/destination of moves from/to SP.
        (movsf): Only allow for AM33-2.
        (*movsf_internal): Use "r" instead of "dax"; use "F" instead of
        any integer constant constraint.  Only allow for AM33-2.  Tidy
        all of the alternative outputs.
        (movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
        (udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
        for MN103.
        (udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

        * doc/tm.texi.in: Spell out that a lack of register class unions
        can lead to ICEs.
        * doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47337
        * dce.c (check_argument_store): New function.
        (find_call_stack_args): Ignore debug insns.  Use check_argument_store.

        PR tree-optimization/47290
        * tree-eh.c (infinite_empty_loop_p): New function.
        (cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

        PR target/46997
        * ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
        (a64_expand_widen_sum): Ditto.
        * vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
        (vec_extract_evenodd_help): Ditto.
        (vec_extract_evenv4hi): Ditto.
        (vec_extract_oddv4hi): Ditto.
        (vec_extract_evenv2si): Ditto.
        (vec_extract_oddv2si): Ditto.
        (vec_extract_evenv2sf): Ditto.
        (vec_extract_oddv2sf): Ditto.
        (vec_pack_trunc_v4hi: Ditto.
        (vec_pack_trunc_v2si): Ditto.
        (vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
        (vec_interleave_highv8qi): Ditto.
        (mix1_r): Ditto.
        (vec_extract_oddv8qi): Ditto.
        (vec_interleave_lowv4hi): Ditto.
        (vec_interleave_highv4hi): Ditto.
        (vec_interleave_lowv2si): Ditto.
        (vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

        * doc/extend.texi: Mention __float128 support on hppa HP-UX.
        * config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
        * config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
        (pa_c_mode_for_suffix): New.
        (TARGET_EXPAND_BUILTIN): Define.
        (TARGET_C_MODE_FOR_SUFFIX): Define.
        (pa_builtins): Define.
        (pa_init_builtins): Register __float128 type and init new support
        builtins.
        * config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
        * config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/46894
        * explow.c (allocate_dynamic_stack_space): Do not assume more than
        BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
        are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        PR tree-optimization/47179
        * config/spu/spu.c (spu_ref_may_alias_errno): New function.
        (TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

        PR rtl-optimization/47216
        * emit-rtl.c: Include tree-flow.h.
        (set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
        of replicating it with different semantics.
        * Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

        * config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
        (cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

        PR rtl-optimization/47299
        * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
        subtarget.  Use normal multiplication if both operands are constants.
        * expmed.c (expand_widening_mult): Don't try to optimize constant
        multiplication if op0 has VOIDmode.  Convert op1 constant to mode
        before using it.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/lto.texi (LTO): Ensure two spaces after period.  Fix
        spacing after 'e.g.', typos, comma, hyphenation.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * config/rx/predicates.md (rx_constshift_operand): Use match_test.
        (rx_restricted_mem_operand): New.
        (rx_shift_operand): Use register_operand.
        (rx_source_operand, rx_compare_operand): Likewise.
        * config/rx/rx.md (addsi3_flags): New expander.
        (adddi3): Rewrite as expander.
        (adc_internal, *adc_flags, adddi3_internal): New patterns.
        (subsi3_flags): New expander.
        (subdi3): Rewrite as expander.
        (sbb_internal, *sbb_flags, subdi3_internal): New patterns.

        * config/rx/rx.c (RX_BUILTIN_SAT): Remove.
        (rx_init_builtins): Remove sat builtin.
        (rx_expand_builtin): Likewise.
        * config/rx/rx.md (ssaddsi3): New.
        (*sat): Rename from sat.  Represent the CC_REG input.

        * config/rx/predicates.md (rshift_operator): New.
        * config/rx/rx.c (rx_expand_insv): Remove.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
        operand to the canonical position.
        (*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
        (*bitclr, *bitclr_in_memory): Similarly.
        (*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
        (insv): Retain the zero_extract in the expansion.

        * config/rx/rx.md (bswapsi2): Use = not + for output reload.
        (bswaphi2, bitinvert, revw): Likewise.

        * config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
        (gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
        * config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
        (stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
        (bitset, bitset_in_memory): Likewise.
        (bitinvert, bitinvert_in_memory): Likewise.
        (bitclr, bitclr_in_memory): Likewise.
        (insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
        (rx_strend, rx_cmpstrn): Likewise.
        (rx_setmem): Likewise.  Make the source BLKmode to match the dest.
        (bitop peep2 patterns): Remove.

        * config/rx/rx.c (rx_match_ccmode): New.
        * config/rx/rx-protos.h: Update.
        * config/rx/rx.md (abssi2): Clobber, don't set flags.
        (addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
        (rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
        (subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
        (fix_truncsfsi2, floatsisf2): Likewise.
        (*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
        (*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
        (*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
        (*subsi3_flags, *xorsi3_flags): New.

        * config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

        * config/rx/rx.c (rx_print_operand): Remove workaround for
        unsplit comparison operations.

        * config/rx/rx.md (movsicc): Split after reload.
        (*movsicc): Merge *movsieq and *movsine via match_operator.
        (*stcc): New pattern.

        * config/rx/rx.c (rx_float_compare_mode): Remove.
        * config/rx/rx.h (rx_float_compare_mode): Remove.
        * config/rx/rx.md (cstoresi4): Split after reload.
        (*sccc): New pattern.

        * config/rx/predicates.md (label_ref_operand): New.
        (rx_z_comparison_operator): New.
        (rx_zs_comparison_operator): New.
        (rx_fp_comparison_operator): New.
        * config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
        Validate that the flags are set properly for the comparison.
        (rx_gen_cond_branch_template): Remove.
        (rx_cc_modes_compatible): Remove.
        (mode_from_flags): New.
        (flags_from_code): Rename from flags_needed_for_conditional.
        (rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
        (rx_select_cc_mode): Likewise.
        (rx_split_fp_compare): New.
        (rx_split_cbranch): New.
        * config/rx/rx.md (most_cond, zs_cond): Remove iterators.
        (*cbranchsi4): Use match_operator and rx_split_cbranch.
        (*cbranchsf4): Similarly.
        (*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
        match_operator and rx_split_cbranch.
        (*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
        tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
        (*cmpsi): Rename from cmpsi.
        (*tstsi): Rename from tstsi.
        (*cmpsf): Rename from cmpsf; use CC_Fmode.
        (*conditional_branch): Rename from conditional_branch.
        (*reveresed_conditional_branch): Remove.
        (b<code>): Remove expander.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx.c (rx_compare_redundant): Remove.
        * config/rx/rx.md (cmpsi): Don't use it.
        * config/rx/rx-protos.h: Update.

        * config/rx/rx-modes.def (CC_F): New mode.
        * config/rx/rx.c (rx_select_cc_mode): New.
        * config/rx/rx.h (SELECT_CC_MODE): Use it.
        * config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

        * except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47313
        * tree-inline.c (tree_function_versioning): Move DECL_RESULT
        handling before copying the body.  Properly deal with
        by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

        PR target/47219
        * config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
        (struct_value_alias_set): Don't define.
        (sparc_option_override): Don't set sparc_sr_alias_set and
        struct_value_alias_set.
        (save_or_restore_regs): Use gen_frame_mem rather than calling
        set_mem_alias_set.
        (sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

        PR target/47318
        * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
        __m128i.
        (_mm_maskstore_pd): Likewise.
        (_mm_maskload_ps): Likewise.
        (_mm_maskstore_ps): Likewise.
        (_mm256_maskload_pd): Change mask to __m256i.
        (_mm256_maskstore_pd): Likewise.
        (_mm256_maskload_ps): Likewise.
        (_mm256_maskstore_ps): Likewise.

        * config/i386/i386-builtin-types.def: Updated.
        (ix86_expand_special_args_builtin): Likewise.

        * config/i386/i386.c (bdesc_special_args): Update
        __builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
        __builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
        __builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
        __builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

        * config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
        Use <avxpermvecmode> on mask register.
        (avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
            Michael Haubenwallner  <michael.haubenwallner@salomon.at>
            Eric Botcazou  <ebotcazou@adacore.com>

        PR target/46655
        * xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
        if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/install.texi (Configuration, Specific): Wrap long
        lines in examples.  Allow line wrapping in long options
        and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

        * config/mips/mips.c (mips_classify_symbol): Don't return
        SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

        * config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47276
        * ipa.c (function_and_variable_visibility): Do not try to mark alias
        declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

        * common.opt (fdevirtualize): New flag.
        * doc/invoke.texi (Option Summary): Document it.
        * opts.c (default_options_table): Add devirtualize flag.
        * ipa-prop.c (detect_type_change): Return immediately if
        devirtualize flag is not set.
        (detect_type_change_ssa): Likewise.
        (compute_known_type_jump_func): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/45934
        PR tree-optimization/46302
        * ipa-prop.c (type_change_info): New type.
        (stmt_may_be_vtbl_ptr_store): New function.
        (check_stmt_for_type_change): Likewise.
        (detect_type_change): Likewise.
        (detect_type_change_ssa): Likewise.
        (compute_complex_assign_jump_func): Check for dynamic type change.
        (compute_complex_ancestor_jump_func): Likewise.
        (compute_known_type_jump_func): Likewise.
        (compute_scalar_jump_functions): Likewise.
        (ipa_analyze_virtual_call_uses): Likewise.
        (ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
        * config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
        -mcpu options.
        * config/sparc/linux64.h (CC1_SPEC): Likewise.
        * config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
        * config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
        * config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
        Likewise.
        * config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

        * config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
        * config/fr30/fr30.md: Likweise
        (movsi_push): Likewise.
        (movsi_pop): Likewise.
        (enter_func): Likewise.
        * config/moxie/moxie.md (movsi_push): Likewise.
        (movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
        %{no_archive} %{exact_version}.
        * config/mips/openbsd.h (LINK_SPEC): Likewise.
        * config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
        * config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
        ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
        -nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
        for mcpu not cpu.
        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
        CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
        not cpu.
        (CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
        Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/avr/avr.h (CPP_SPEC): Don't handle -posix.
        (CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
        * config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
        * config/m32r/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux.h (LINK_SPEC): Likewise.
        * config/mips/linux64.h (LINK_SPEC): Likewise.
        * config/sparc/linux.h (LINK_SPEC): Likewise.
        * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
        LINK_SPEC): Likewise.
        * config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
        %{version:-v}.
        * config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
        * config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

        * config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        * configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
        supports -Bstatic/-Bdynamic.
        * configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
        Jack Howarth <howarth@bromo.med.uc.edu>

        PR target/46037
        * config/darwin.c (darwin_override_options): Honor flag_gtoggle
        when checking debug_info_level. Test write_symbols instead of
        debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47179
        * target.def (ref_may_alias_errno): New target hook.
        * targhooks.h (default_ref_may_alias_errno): Declare.
        * targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
        (default_ref_may_alias_errno): New function.
        * target.h (struct ao_ref_s): Declare.
        * tree-ssa-alias.c: Include target.h.
        (call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
        * Makefile.in (tree-ssa-alias.o): Adjust dependencies.
        (targhooks.o): Likewise.
        * doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
        * doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        * tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47280
        * tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
        return CFG changes.
        (tree_ssa_forward_propagate_single_use_vars): Deal with
        CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR middle-end/47281
        Revert
        2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47286
        * tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

        PR middle-end/46823
        * tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
        LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
        * config/xtensa/xtensa.c (xtensa_libcall_value,
        xtensa_function_value_regno_p): New functions.
        (TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

        PR c++/47213
        * config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
        PE specific hook.
        * config/i386/i386-protos.h (i386_pe_assemble_visibility):
        New function prototype.
        * config/i386/winnt.c (i386_pe_assemble_visibility):
        Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

        PR target/47251
        * config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
        floating point.
        (floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

        * config/s390/s390.c (print_operand_address): Replace 'error' with
        'output_operand_lossage'.
        (print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

        PR rtl-optimization/39077
        * doc/invoke.texi (max-gcse-insertion-ratio): Document.
        * params.h (MAX_GCSE_INSERTION_RATIO): Define.
        * params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
        * lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
        * gcse.c (prune_insertions_deletions): New function.
        (compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

        PR debug/PR46973
        * dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
        static function.
        (prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

        PR rtl-optimization/45352
        * sel-sched.c: Update copyright years.
        (reset_sched_cycles_in_current_ebb): Also recheck the DFA state
        in the advancing loop when we have issued issue_rate insns.

2011-01-12  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
        (TARGET_MD_ASM_CLOBBERS): New.

        * config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
        (TARGET_DELEGITIMIZE_ADDRESS): New.

        * config/mn10300/mn10300.md (UNSPEC_BSCH): New.
        (clzsi2, *bsch): New patterns.

        * config/mn10300/mn10300.md (INT): New mode iterator.
        (*mov<INT>_clr): New pattern, and peep2 to generate it.

        * config/mn10300/mn10300.c (mn10300_option_override): Force enable
        flag_split_wide_types.

        * config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
        (mn10300_trampoline_init): Rewrite without a template, an immediate
        load and a direct branch.
        * config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

        * config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
        * config/s390/s390.c (s390_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

        PR debug/47209
        * dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
        of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR driver/47244
        * gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
        (PLUGIN_COND_CLOSE): New macro.
        (LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR lto/47259
        * lto-streamer-out.c (output_gimple_stmt): Do not wrap
        register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

        * config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
        crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
        hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
        i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
        i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
        x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
        ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
        m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
        mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
        s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
        sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
        am33_2.0-*-linux*): Use gnu-user.h before linux.h.
        * config/gnu-user.h: New.  Copied from linux.h.
        (LINUX_TARGET_STARTFILE_SPEC): Rename to
        GNU_USER_TARGET_STARTFILE_SPEC.
        (LINUX_TARGET_ENDFILE_SPEC): Rename to
        GNU_USER_TARGET_ENDFILE_SPEC.
        (LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
        (LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
        (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
        LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
        CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
        UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
        BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
        BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
        LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
        TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
        * config/arm/linux-eabi.h (CC1_SPEC): Use
        GNU_USER_TARGET_CC1_SPEC.
        (LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
        (STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
        (ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
        * config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
        LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
        LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
        CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
        LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

        PR other/46946
        * doc/invoke.texi (ffast-math): Document it is turned on
        with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47233
        * opts.c (common_handle_option): Disable ipa-reference with profile
        feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_at_property_declaration): Improved
        error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_lex_one_token): Updated and reindented some
        comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_output_var): Don't output the variable if there is
        already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

        * godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

        * config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
        declaration.  Rewrite for both speed and size.
        (mn10300_address_cost_1): Remove.
        (mn10300_register_move_cost): New.
        (mn10300_memory_move_cost): New.
        (mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
        ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
        extensions, shifts, BSWAP, CLZ.
        (mn10300_wide_const_load_uses_clr): Remove.
        (TARGET_REGISTER_MOVE_COST): New.
        (TARGET_MEMORY_MOVE_COST): New.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

        * config/mn10300/constraints.md ("R", "T"): Remove constraints.
        * config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
        * config/mn10300/mn10300-protos.h: Update.
        * config/mn10300/mn10300.md (movsi_internal): Don't use "R".
        (*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
        (iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
        (*test_int_bitfield, *test_byte_bitfield): Remove.
        (*bit_test, *subreg_bit_test): Remove.
        * config/mn10300/predicates.md (const_8bit_operand): Remove.

        * config/mn10300/constraints.md ("c"): Rename from "A".
        ("A", "D"): New constraint letters.
        * config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
        (fmssf4, fnmasf4, fnmssf4): Likewise.

        * config/mn10300/mn10300.md (isa): New attribute.
        (enabled): New attribute.

        * config/mn10300/mn10300.md (absdf2, negdf2): Remove.
        (abssf2, negsf2): Define only for hardware fp.
        (sqrtsf2): Reformat.
        (addsf3, subsf3, mulsf3): Merge expander and insn.

        * config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
        (DEBUGGER_AUTO_OFFSET): Remove.
        (DEBUGGER_ARG_OFFSET): Remove.

        * config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
        Emit register stores with the same offsets as the hardware.
        (mn10300_store_multiple_operation): Don't check that the register
        save offsets are monotonic.
        * config/mn10300/mn10300-protos.h: Update.

        * config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

        * config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
        in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

        PR lto/45721
        PR lto/45375
        * tree.h (symbol_alias_set_t): Move typedef here from varasm.c
        (symbol_alias_set_destroy, symbol_alias_set_contains,
        propagate_aliases_backward): Declare.
        * lto-streamer-out.c (struct sets): New sturcture.
        (trivally_defined_alias): New function.
        (output_alias_pair_p): Rewrite.
        (output_unreferenced_globals): Fix output of alias pairs.
        (produce_symtab): Likewise.
        * ipa.c (function_and_variable_visibility): Set weak alias destination
        as needed in lto.
        * varasm.c (symbol_alias_set_t): Remove.
        (symbol_alias_set_destroy): Export.
        (propagate_aliases_forward, propagate_aliases_backward): New functions
        based on ...
        (compute_visible_aliases): ... this one; remove.
        (trivially_visible_alias): New
        (trivially_defined_alias): New.
        (remove_unreachable_alias_pairs): Rewrite.
        (finish_aliases_1): Reorganize code checking if alias is defined.
        * passes.c (rest_of_decl_compilation): Do not call assemble_alias when
        in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/46076
        * tree-ssa.c (useless_type_conversion_p): Conversions from
        unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR middle-end/45235
        * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
        volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/47239
        * tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

        PR tree-optimization/47086
        * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
        IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * profile.c (read_profile_edge_counts): Ignore profile inconistency
        when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR lto/46083
        * lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
        DECL_FINI_PRIORITY.
        * lto-streamer-in.c (unpack_ts_function_decl_value_fields):
        Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi: Fix quoting of multi-word return values in
        @deftypefn statements.  Ensure presence of return value.  Wrap
        overlong @deftypefn lines.
        (is_gimple_operand, is_gimple_min_invariant_address): Remove
        descriptions of removed functions.
        * doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
        of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
        (Conditional Expressions, Logical Operators)
        (Statement and operand traversals): Do not indent smallexample
        code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

        PR tree-optimization/47141
        * ipa-split.c (split_function): Handle case where we are
        returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/47234
        * tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
        (pass_feedback_split_functions): Declare.
        * passes.c (init_optimization_passes): Add ipa-split as subpass of
        tree-profile.
        * ipa-split.c (gate_split_functions): Update comments; disable
        split-functions for profile_arc_flag and branch_probabilities.
        (gate_feedback_split_functions): New function.
        (execute_feedback_split_functions): New function.
        (pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

        PR lto/46760
        * tree-inline.c (tree_can_inline_p): Check e->call_stmt before
        calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

        * config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

        PR c++/47218
        * cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47232
        * c-parser.c (c_parser_declaration_or_fndef): Improved
        error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

        * config/i386/winnt.c (i386_pe_start_function): Make sure
        to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

        PR gcc/46902
        PR testsuite/46912
        * plugin.c: Move include of dlfcn.h from here...
        * system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

        * doc/cpp.texi (C++ Named Operators): Fix markup for header
        file name.
        * doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
        two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

        PR objc/47078
        * c-parser.c (c_parser_objc_type_name): If the type is unknown,
        for error recovery purposes behave as if it was not specified so
        that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optmization/46469
        * ipa.c (function_and_variable_visibility): Clear needed flags on
        nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

        * opts.c (finish_options): Set opts->x_flag_opts_finished to true,
        not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        * doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
        and no longer claim that gold is required for linker plugin.
        * configure: Regenerate.
        * gcc.c (PLUGIN_COND): New macro.
        (LINK_COMMAND_SPEC): Use it.
        (main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
        * config.in (HAVE_LTO_PLUGIN): New.
        * configure.ac (--with-lto-plugin): New parameter; autodetect
        HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR tree-optimization/46367
        * ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
        when we can update original.
        (cgraph_mark_inline_edge): Sanity check.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/42445
        * gcc.c (%>S): New.
        (SWITCH_KEEP_FOR_GCC): Likewise.
        (set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
        (do_spec_1): Handle "%>".

        * config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

        PR target/47201
        * config/i386/i386.c (ix86_delegitimize_address): If
        simplify_gen_subreg fails, return orig_x.

        PR bootstrap/47187
        * value-prof.c (gimple_stringop_fixed_value): Handle
        lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

        PR lto/45375
        * lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * target.def (function_switched_text_sections): New hook.
        * doc/tm.texi: Regenerated.
        * doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
        * final.c (default_function_switched_text_sections): New.
        (final_scan_insn): Call function_switched_text_sections when a
        mid-function section change occurs.
        * output.h (default_function_switched_text_sections): Declare.
        * config/darwin-protos.h (darwin_function_switched_text_sections):
        Likewise.
        * config/darwin.c (darwin_function_switched_text_sections): New.
        * config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

        * dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
        DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
        the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

        * config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
        * config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
        Remove.
        * config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
        (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

        PR debug/46704
        * dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
        when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

        Bobcat Enablement
        * config.gcc (i[34567]86-*-linux* | ...): Add btver1.
        (case ${target}): Add btver1.
        * config/i386/driver-i386.c (host_detect_local_cpu): Let
        -march=native recognize btver1 processors.
        * config/i386/i386-c.c (ix86_target_macros_internal): Add
        btver1 def_and_undef
        * config/i386/i386.c (struct processor_costs btver1_cost): New
        btver1 cost table.
        (m_BTVER1): New definition.
        (m_AMD_MULTIPLE): Includes m_BTVER1.
        (initial_ix86_tune_features): Add btver1 tune.
        (processor_target_table): Add btver1 entry.
        (static const char *const cpu_names): Add btver1 entry.
        (software_prefetching_beneficial_p): Add btver1.
        (ix86_option_override_internal): Add btver1 instruction sets.
        (ix86_issue_rate): Add btver1.
        (ix86_adjust_cost): Add btver1.
        * config/i386/i386.h (TARGET_BTVER1): New definition.
        (enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
        (enum processor_type): Add PROCESSOR_BTVER1.
        * config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/43309
        * config/i386/i386.c (legitimize_tls_address)
        <TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
        * config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
        (tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

        * doc/invoke.texi (Overall Options): Improve wording and markup
        of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
        rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR target/38118
        * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
        if coming from .tdata.
        * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

        PR lto/47188
        * collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

        PR other/45915
        * configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
        --version output if supported.
        * configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

        * config/linux-android.opt (tno-android-cc, tno-android-ld): New
        Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/47150
        * c-convert.c (convert): When converting a complex expression
        other than COMPLEX_EXPR to a different complex type, ensure
        c_save_expr is called instead of save_expr, unless in_late_binary_op.
        * c-typeck.c (convert_for_assignment): Set in_late_binary_op also
        when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

        PR tree-optimization/47139
        * tree-vect-loop.c (vect_is_simple_reduction_1): Check that
        only the last reduction value is used outside the loop.  Update
        documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

        * config/rtems.opt: New.
        * config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

        * config/i386/i386.c (ix86_option_override_internal): Bulldozer
        processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Set parameter
        PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

2011-01-05  Jan Hubicka  <jh@suse.cz>

        * lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
        at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

        PR lto/47162
        * lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
        deltas on streamed outgoing edges.
        (output_node_opt_summary): Output info for outgoing edges only when
        the node is in new parameter set.
        (output_cgraph_opt_summary): New parameter set, passed to the two
        aforementioned functions.  Update its forward declaration and its
        callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

        * c-parser.c (c_parser_omp_atomic): Pass location of assignment
        operator to c_finish_omp_atomic.
        * c-typeck.c (lvalue_or_else): Add 'loc' argument.
        (build_unary_op): Update.
        (build_modify_expr): Update.
        (build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
        newly inserted insns.
        (pad_bb): Likewise.
        (spu_emit_branch_hint): Likewise.
        (insert_hbrp_for_ilb_runout): Likewise.
        (spu_machine_dependent_reorg): Call df_finish_pass after
        schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47005
        * tree-sra.c (struct access): Add 'non_addressable' bit.
        (create_access): Set it for a DECL_NONADDRESSABLE_P field.
        (decide_one_param_reduction): Return 0 if the parameter is passed by
        reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        PR tree-optimization/47056
        * cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
        (mark_load): Likewise.  Handle FUNCTION_DECL specially.
        (mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

        * dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
        initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

        PR bootstrap/47055
        * libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas <pth@suse.de>

        * config/microblaze/microbalse.opt (mxl-float-convert): Fix
        obvious typo.

2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * function.c (thread_prologue_and_epilogue_insns): Do not crash
        on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

        * config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
        non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

        PR driver/47137
        * gcc.c (default_compilers[]): Set combinable field to 0
        for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

        * config/mips/loongson3a.md: New file.
        * config/mips/mips.md: Include loongson3a.md.
        * config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
        TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

        PR middle-end/47017
        * expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
        instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (spu_option_override): Update error text
        for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
        if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47148
        * ipa-split.c (split_function): Convert arguments to
        DECL_ARG_TYPE if possible.

        PR tree-optimization/47155
        * tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
        when computing uns.

        PR rtl-optimization/47157
        * combine.c (try_combine): If undobuf.other_insn becomes
        (set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
        and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

        PR tree-optimization/47021
        * graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

        * gcc.c (process_command): Update copyright notice dates.
        * gcov.c (print_version): Likewise.
        * gcov-dump.c (print_version): Likewise.
        * mips-tfile.c (main): Likewise.
        * mips-tdump.c (main): Likewise.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46801
        * tree-sra.c (type_internals_preclude_sra_p): Check whether
        aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

        * tree-vect-generic.c (expand_vector_operations_1): When using vector/
        vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        * cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
        a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

        PR tree-optimization/46984
        * cgraph.h (cgraph_indirect_call_info): make field thunk_delta
        HOST_WIDE_INT.
        (cgraph_create_indirect_edge): Fixed line length.
        (cgraph_indirect_call_info): Declare.
        (cgraph_make_edge_direct) Update declaration.
        * cgraph.c (cgraph_allocate_init_indirect_info): New function.
        (cgraph_create_indirect_edge): Use it.
        (cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
        callees.
        * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
        the new thunk_delta representation.
        * ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
        HOST_WIDE_INT.
        (ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
        (ipa_read_indirect_edge_info): Likewise.
        * lto-cgraph.c (output_edge_opt_summary): New function.
        (output_node_opt_summary): Call it on all outgoing edges.
        (input_edge_opt_summary): New function.
        (input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

        PR driver/47137
        * gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

        * regrename.c: Add general comment describing the pass.
        (struct du_head): Remove 'length' field.
        (get_element, merge_sort_comparison, merge, sort_du_head): Remove.
        (regrename_optimize): Do not sort chains.  Rework comments, add others.
        Force renaming to the preferred class (if any) in the first pass and do
        not consider registers that belong to it in the second pass.
        (create_new_chain): Do not set 'length' field.
        (scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

        PR tree-optimization/47140
        * tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
        TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
        to bit_value_binop.

        PR rtl-optimization/47028
        * cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
        parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

        * doc/generic.texi: Remove duplicated "@subsubsection Statements".
        Remove the word "see" before "@pxref".
        * doc/rtl.texi: Remove the word "see" before "@pxref".

2011-01-01  Jan Hubicka  <jh@suse.cz>

        * tree-loop-distribution.c (tree_loop_distribution): Do not use freed
        memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

        PR target/38662
        * tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.

\f
Copyright (C) 2011 Free Software Foundation, Inc.

Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
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