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Apply https://gcc.gnu.org/bugzilla/attachment.cgi?id=28797 for lm32-elf.

Apply https://gcc.gnu.org/ml/gcc-patches/2012-09/msg00777/aarch64-int-iterators-backport.patch.

Add NIOS2 support. Code from SourceyG++.

Add NIOS2 support. Code from SourceyG++.

Add NIOS2 support. Code from SourceyG++.

merge from gnu/gcc-4_7-branch.

Pizza-lize :-)

Merge remote-tracking branch 'gnu/gcc-4_7-branch' into rework

Conflicts:
ChangeLog
Makefile.def
Makefile.in
boehm-gc/ChangeLog
boehm-gc/Makefile.am
boehm-gc/Makefile.in
config/ChangeLog
configure
configure.ac
contrib/ChangeLog
contrib/reghunt/ChangeLog
contrib/regression/ChangeLog
fixincludes/ChangeLog
gcc/BASE-VER
gcc/ChangeLog
gcc/DATESTAMP
gcc/DEV-PHASE
gcc/Makefile.in
gcc/ada/ChangeLog
gcc/ada/g-socthi-mingw.adb
gcc/ada/gcc-interface/Make-lang.in
gcc/ada/gcc-interface/Makefile.in
gcc/ada/gcc-interface/decl.c
gcc/ada/gcc-interface/trans.c
gcc/ada/gnatvsn.ads
gcc/ada/mlib-tgt-specific-darwin.adb
gcc/ada/system-darwin-ppc64.ads
gcc/ada/tracebak.c
gcc/c-decl.c
gcc/c-family/ChangeLog
gcc/c-family/c-common.c
gcc/c-family/c-ppoutput.c
gcc/c-family/c.opt
gcc/cfgrtl.c
gcc/cgraph.c
gcc/cgraph.h
gcc/cgraphunit.c
gcc/combine.c
gcc/config.gcc
gcc/config/alpha/alpha.c
gcc/config/alpha/linux-unwind.h
gcc/config/alpha/t-linux
gcc/config/arm/arm.c
gcc/config/arm/arm.h
gcc/config/arm/arm.md
gcc/config/arm/neon.md
gcc/config/arm/predicates.md
gcc/config/arm/t-arm-elf
gcc/config/arm/t-linux-eabi
gcc/config/arm/t-rtems-eabi
gcc/config/avr/avr-devices.c
gcc/config/avr/avr-protos.h
gcc/config/avr/avr.c
gcc/config/avr/avr.md
gcc/config/avr/libgcc.S
gcc/config/bfin/bfin.c
gcc/config/bfin/linux-unwind.h
gcc/config/darwin.c
gcc/config/host-linux.c
gcc/config/i386/constraints.md
gcc/config/i386/driver-i386.c
gcc/config/i386/i386.c
gcc/config/i386/i386.h
gcc/config/i386/i386.md
gcc/config/i386/linux-unwind.h
gcc/config/i386/linux.h
gcc/config/i386/linux64.h
gcc/config/i386/mingw32.h
gcc/config/i386/mmx.md
gcc/config/i386/predicates.md
gcc/config/i386/sse.md
gcc/config/i386/sync.md
gcc/config/i386/t-kfreebsd
gcc/config/i386/t-linux
gcc/config/i386/t-linux64
gcc/config/ia64/ia64.c
gcc/config/ia64/linux-unwind.h
gcc/config/mips/linux-unwind.h
gcc/config/mips/linux.h
gcc/config/mips/t-linux64
gcc/config/pa/linux-unwind.h
gcc/config/pa/pa-protos.h
gcc/config/pa/pa.c
gcc/config/pa/pa.h
gcc/config/pa/pa.md
gcc/config/pa/predicates.md
gcc/config/pa/t-linux
gcc/config/pa/t-linux64
gcc/config/rs6000/altivec.md
gcc/config/rs6000/rs6000.c
gcc/config/rs6000/rs6000.h
gcc/config/rs6000/rs6000.md
gcc/config/rs6000/t-fprules
gcc/config/rs6000/t-freebsd
gcc/config/rx/rx-protos.h
gcc/config/rx/rx.c
gcc/config/rx/rx.h
gcc/config/rx/rx.md
gcc/config/s390/s390.c
gcc/config/sh/linux-unwind.h
gcc/config/sh/sh.c
gcc/config/sol2.h
gcc/config/sparc/linux.h
gcc/config/sparc/linux64.h
gcc/config/sparc/sol2-64.h
gcc/config/sparc/sol2-bi.h
gcc/config/sparc/sol2-unwind.h
gcc/config/sparc/sol2.h
gcc/config/sparc/sparc.c
gcc/config/sparc/sparc.md
gcc/config/sparc/sparc.opt
gcc/config/sparc/t-linux
gcc/config/sparc/t-linux64
gcc/config/sparc/t-sol2
gcc/config/sparc/t-sol2-64
gcc/config/spu/spu.c
gcc/config/spu/t-spu-elf
gcc/config/xtensa/linux-unwind.h
gcc/configure
gcc/configure.ac
gcc/cp/ChangeLog
gcc/cp/call.c
gcc/cp/class.c
gcc/cp/cp-gimplify.c
gcc/cp/cp-tree.h
gcc/cp/decl.c
gcc/cp/error.c
gcc/cp/except.c
gcc/cp/init.c
gcc/cp/mangle.c
gcc/cp/method.c
gcc/cp/parser.c
gcc/cp/pt.c
gcc/cp/semantics.c
gcc/cp/tree.c
gcc/cp/typeck.c
gcc/cp/typeck2.c
gcc/cppdefault.c
gcc/doc/extend.texi
gcc/doc/fragments.texi
gcc/doc/install.texi
gcc/doc/invoke.texi
gcc/doc/standards.texi
gcc/doc/tm.texi
gcc/doc/tm.texi.in
gcc/dse.c
gcc/dwarf2out.c
gcc/emutls.c
gcc/expmed.c
gcc/expr.c
gcc/expr.h
gcc/fold-const.c
gcc/fortran/ChangeLog
gcc/fortran/check.c
gcc/fortran/class.c
gcc/fortran/expr.c
gcc/fortran/gfortran.h
gcc/fortran/gfortran.texi
gcc/fortran/interface.c
gcc/fortran/invoke.texi
gcc/fortran/module.c
gcc/fortran/parse.c
gcc/fortran/primary.c
gcc/fortran/resolve.c
gcc/fortran/simplify.c
gcc/fortran/trans-array.c
gcc/fortran/trans-decl.c
gcc/fortran/trans-expr.c
gcc/fortran/trans-io.c
gcc/function.c
gcc/ggc.h
gcc/gimple-fold.c
gcc/gimple.c
gcc/gimple.h
gcc/go/ChangeLog
gcc/godump.c
gcc/gthr-posix.h
gcc/gthr.h
gcc/ipa-cp.c
gcc/ipa-inline.c
gcc/ipa-prop.c
gcc/ipa-split.c
gcc/ipa.c
gcc/java/ChangeLog
gcc/longlong.h
gcc/lto-opts.c
gcc/lto-streamer-in.c
gcc/lto-streamer-out.c
gcc/lto/ChangeLog
gcc/lto/lto.c
gcc/lto/lto.h
gcc/objc/ChangeLog
gcc/objc/config-lang.in
gcc/objcp/ChangeLog
gcc/omp-low.c
gcc/po/ChangeLog
gcc/po/be.po
gcc/po/da.po
gcc/po/de.po
gcc/po/el.po
gcc/po/es.po
gcc/po/fi.po
gcc/po/fr.po
gcc/po/gcc.pot
gcc/po/id.po
gcc/po/ja.po
gcc/po/nl.po
gcc/po/ru.po
gcc/po/sr.po
gcc/po/sv.po
gcc/po/tr.po
gcc/po/vi.po
gcc/po/zh_CN.po
gcc/po/zh_TW.po
gcc/reload1.c
gcc/reorg.c
gcc/sel-sched-ir.c
gcc/simplify-rtx.c
gcc/stor-layout.c
gcc/target.def
gcc/target.h
gcc/testsuite/ChangeLog
gcc/testsuite/g++.dg/abi/mangle60.C
gcc/testsuite/g++.dg/cpp0x/auto31.C
gcc/testsuite/g++.dg/cpp0x/constexpr-48089.C
gcc/testsuite/g++.dg/cpp0x/constexpr-diag1.C
gcc/testsuite/g++.dg/cpp0x/constexpr-friend.C
gcc/testsuite/g++.dg/cpp0x/constexpr-incomplete1.C
gcc/testsuite/g++.dg/cpp0x/constexpr-incomplete2.C
gcc/testsuite/g++.dg/cpp0x/constexpr-static7.C
gcc/testsuite/g++.dg/cpp0x/enum18.C
gcc/testsuite/g++.dg/cpp0x/error4.C
gcc/testsuite/g++.dg/cpp0x/initlist50.C
gcc/testsuite/g++.dg/cpp0x/noexcept11.C
gcc/testsuite/g++.dg/cpp0x/nullptr28.C
gcc/testsuite/g++.dg/cpp0x/pr45908.C
gcc/testsuite/g++.dg/cpp0x/regress/error-recovery1.C
gcc/testsuite/g++.dg/cpp0x/rv-cast3.C
gcc/testsuite/g++.dg/cpp0x/rv-cast4.C
gcc/testsuite/g++.dg/cpp0x/sfinae10.C
gcc/testsuite/g++.dg/cpp0x/sfinae11.C
gcc/testsuite/g++.dg/cpp0x/sfinae22.C
gcc/testsuite/g++.dg/cpp0x/sfinae26.C
gcc/testsuite/g++.dg/cpp0x/variadic-value1.C
gcc/testsuite/g++.dg/cpp0x/variadic111.C
gcc/testsuite/g++.dg/cpp0x/variadic134.C
gcc/testsuite/g++.dg/debug/dwarf2/icf.C
gcc/testsuite/g++.dg/diagnostic/bitfld2.C
gcc/testsuite/g++.dg/ext/complex7.C
gcc/testsuite/g++.dg/gomp/pr51360.C
gcc/testsuite/g++.dg/gomp/pr51669.C
gcc/testsuite/g++.dg/ipa/pr51759.C
gcc/testsuite/g++.dg/opt/pr48549.C
gcc/testsuite/g++.dg/torture/pr49309.C
gcc/testsuite/g++.dg/torture/pr49720.C
gcc/testsuite/g++.dg/vect/vect.exp
gcc/testsuite/g++.old-deja/g++.pt/crash60.C
gcc/testsuite/gcc.c-torture/compile/pr41679.c
gcc/testsuite/gcc.c-torture/compile/pr46883.c
gcc/testsuite/gcc.c-torture/compile/pr49029.c
gcc/testsuite/gcc.c-torture/execute/20111208-1.c
gcc/testsuite/gcc.c-torture/execute/20120111-1.c
gcc/testsuite/gcc.dg/debug/dwarf2/pr49871.c
gcc/testsuite/gcc.dg/debug/pr49032.c
gcc/testsuite/gcc.dg/noncompile/pr52290.c
gcc/testsuite/gcc.dg/pr48616.c
gcc/testsuite/gcc.dg/pr48774.c
gcc/testsuite/gcc.dg/pr51821.c
gcc/testsuite/gcc.dg/pr52139.c
gcc/testsuite/gcc.dg/pr56275.c
gcc/testsuite/gcc.dg/stack-usage-1.c
gcc/testsuite/gcc.dg/torture/pr50472.c
gcc/testsuite/gcc.dg/vect/pr48172.c
gcc/testsuite/gcc.dg/vect/pr48377.c
gcc/testsuite/gcc.dg/vect/pr49038.c
gcc/testsuite/gcc.dg/vect/slp-multitypes-2.c
gcc/testsuite/gcc.dg/vect/vect-peel-3.c
gcc/testsuite/gcc.dg/vect/vect-strided-u8-i8-gap4-unknown.c
gcc/testsuite/gcc.target/arm/neon-vset_lanes8.c
gcc/testsuite/gcc.target/arm/pr51835.c
gcc/testsuite/gcc.target/arm/pr52006.c
gcc/testsuite/gcc.target/arm/wmul-1.c
gcc/testsuite/gcc.target/arm/wmul-2.c
gcc/testsuite/gcc.target/arm/wmul-3.c
gcc/testsuite/gcc.target/arm/wmul-4.c
gcc/testsuite/gcc.target/i386/avx-vinsertps-3.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-load-1.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-load-2.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-load-3.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-load-4.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-store-1.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-store-2.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-store-3.c
gcc/testsuite/gcc.target/i386/avx256-unaligned-store-4.c
gcc/testsuite/gcc.target/i386/movdi-rex64.c
gcc/testsuite/gcc.target/i386/pr49920.c
gcc/testsuite/gcc.target/i386/pr50712.c
gcc/testsuite/gcc.target/i386/pr51393.c
gcc/testsuite/gcc.target/i386/sse4_1-insertps-3.c
gcc/testsuite/gcc.target/powerpc/altivec-34.c
gcc/testsuite/gfortran.dg/class_42.f03
gcc/testsuite/gfortran.dg/interface_35.f90
gcc/testsuite/gfortran.dg/pr56015.f90
gcc/testsuite/gfortran.dg/string_5.f90
gcc/testsuite/gfortran.dg/typebound_assignment_3.f03
gcc/testsuite/lib/gcc-dg.exp
gcc/testsuite/lib/scanasm.exp
gcc/testsuite/lib/target-supports.exp
gcc/toplev.c
gcc/tree-data-ref.c
gcc/tree-dfa.c
gcc/tree-inline.c
gcc/tree-mudflap.c
gcc/tree-sra.c
gcc/tree-ssa-alias.c
gcc/tree-ssa-ccp.c
gcc/tree-ssa-phiopt.c
gcc/tree-ssa-sccvn.c
gcc/tree-ssa.c
gcc/tree-vect-data-refs.c
gcc/tree-vect-loop-manip.c
gcc/tree-vect-loop.c
gcc/tree-vect-stmts.c
gcc/tree-vrp.c
gcc/tree.c
gcc/value-prof.c
gnattools/ChangeLog
include/ChangeLog
intl/ChangeLog
libada/ChangeLog
libcpp/ChangeLog
libcpp/po/ChangeLog
libcpp/po/be.po
libcpp/po/ca.po
libcpp/po/cpplib.pot
libcpp/po/da.po
libcpp/po/de.po
libcpp/po/el.po
libcpp/po/es.po
libcpp/po/fi.po
libcpp/po/fr.po
libcpp/po/id.po
libcpp/po/ja.po
libcpp/po/nl.po
libcpp/po/ru.po
libcpp/po/sv.po
libcpp/po/tr.po
libcpp/po/uk.po
libcpp/po/vi.po
libcpp/po/zh_CN.po
libcpp/po/zh_TW.po
libdecnumber/ChangeLog
libffi/ChangeLog
libffi/src/arm/ffi.c
libgcc/ChangeLog
libgcc/Makefile.in
libgcc/config.host
libgcc/config/i386/64/sfp-machine.h
libgcc/config/libbid/ChangeLog
libgcc/generic-morestack.c
libgfortran/ChangeLog
libgfortran/configure
libgfortran/configure.ac
libgfortran/intrinsics/eoshift2.c
libgfortran/intrinsics/system_clock.c
libgfortran/io/format.c
libgfortran/io/inquire.c
libgfortran/io/list_read.c
libgo/Makefile.in
libgo/configure.ac
libgomp/ChangeLog
libiberty/ChangeLog
libiberty/cp-demangle.c
libiberty/testsuite/demangle-expected
libjava/ChangeLog
libjava/classpath/ChangeLog
libjava/classpath/ChangeLog.gcj
libjava/configure
libjava/configure.ac
libjava/java/lang/natClass.cc
libjava/libltdl/ChangeLog
libmudflap/ChangeLog
libobjc/ChangeLog
libquadmath/ChangeLog
libquadmath/configure
libquadmath/configure.ac
libssp/ChangeLog
libssp/configure
libssp/configure.ac
libstdc++-v3/ChangeLog
libstdc++-v3/acinclude.m4
libstdc++-v3/config/abi/post/alpha-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/i386-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/i486-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/powerpc-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt
libstdc++-v3/config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/s390-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/s390x-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/solaris2.10/amd64/baseline_symbols.txt
libstdc++-v3/config/abi/post/solaris2.10/baseline_symbols.txt
libstdc++-v3/config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt
libstdc++-v3/config/abi/post/sparc-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt
libstdc++-v3/config/abi/post/x86_64-linux-gnu/baseline_symbols.txt
libstdc++-v3/config/abi/pre/gnu-versioned-namespace.ver
libstdc++-v3/config/abi/pre/gnu.ver
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libstdc++-v3/configure.ac
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libstdc++-v3/doc/html/bk02.html
libstdc++-v3/doc/html/bk03.html
libstdc++-v3/doc/html/faq.html
libstdc++-v3/doc/html/manual/abi.html
libstdc++-v3/doc/html/manual/algorithms.html
libstdc++-v3/doc/html/manual/api.html
libstdc++-v3/doc/html/manual/appendix_contributing.html
libstdc++-v3/doc/html/manual/appendix_free.html
libstdc++-v3/doc/html/manual/appendix_gfdl.html
libstdc++-v3/doc/html/manual/appendix_gpl.html
libstdc++-v3/doc/html/manual/appendix_porting.html
libstdc++-v3/doc/html/manual/associative.html
libstdc++-v3/doc/html/manual/atomics.html
libstdc++-v3/doc/html/manual/backwards.html
libstdc++-v3/doc/html/manual/bitmap_allocator.html
libstdc++-v3/doc/html/manual/bk01pt02.html
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libstdc++-v3/doc/html/manual/concurrency.html
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libstdc++-v3/doc/html/manual/containers.html
libstdc++-v3/doc/html/manual/containers_and_c.html
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libstdc++-v3/doc/html/manual/diagnostics.html
libstdc++-v3/doc/html/manual/documentation_hacking.html
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libstdc++-v3/doc/html/manual/ext_allocators.html
libstdc++-v3/doc/html/manual/ext_compile_checks.html
libstdc++-v3/doc/html/manual/ext_concurrency.html
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libstdc++-v3/doc/html/manual/ext_io.html
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libstdc++-v3/doc/html/manual/source_design_notes.html
libstdc++-v3/doc/html/manual/source_organization.html
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libstdc++-v3/doc/html/manual/strings.html
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libstdc++-v3/doc/html/manual/support.html
libstdc++-v3/doc/html/manual/termination.html
libstdc++-v3/doc/html/manual/test.html
libstdc++-v3/doc/html/manual/traits.html
libstdc++-v3/doc/html/manual/using.html
libstdc++-v3/doc/html/manual/using_concurrency.html
libstdc++-v3/doc/html/manual/using_dynamic_or_shared.html
libstdc++-v3/doc/html/manual/using_exceptions.html
libstdc++-v3/doc/html/manual/using_headers.html
libstdc++-v3/doc/html/manual/using_macros.html
libstdc++-v3/doc/html/manual/using_namespaces.html
libstdc++-v3/doc/html/manual/utilities.html
libstdc++-v3/doc/html/spine.html
libstdc++-v3/doc/xml/manual/abi.xml
libstdc++-v3/doc/xml/manual/status_cxx200x.xml
libstdc++-v3/include/Makefile.am
libstdc++-v3/include/Makefile.in
libstdc++-v3/include/bits/c++config
libstdc++-v3/include/bits/hashtable.h
libstdc++-v3/include/bits/random.h
libstdc++-v3/include/bits/random.tcc
libstdc++-v3/include/bits/shared_ptr.h
libstdc++-v3/include/bits/shared_ptr_base.h
libstdc++-v3/include/bits/stl_numeric.h
libstdc++-v3/include/bits/stl_uninitialized.h
libstdc++-v3/include/bits/unique_ptr.h
libstdc++-v3/include/c_global/cmath
libstdc++-v3/include/debug/safe_iterator.h
libstdc++-v3/include/ext/concurrence.h
libstdc++-v3/include/ext/rope
libstdc++-v3/include/std/bitset
libstdc++-v3/include/std/complex
libstdc++-v3/include/std/functional
libstdc++-v3/include/std/future
libstdc++-v3/include/std/mutex
libstdc++-v3/include/std/stdexcept
libstdc++-v3/include/std/streambuf
libstdc++-v3/include/std/system_error
libstdc++-v3/include/std/tuple
libstdc++-v3/libsupc++/Makefile.in
libstdc++-v3/libsupc++/exception_ptr.h
libstdc++-v3/libsupc++/nested_exception.cc
libstdc++-v3/libsupc++/nested_exception.h
libstdc++-v3/src/Makefile.am
libstdc++-v3/src/Makefile.in
libstdc++-v3/src/condition_variable.cc
libstdc++-v3/src/future.cc
libstdc++-v3/src/stdexcept.cc
libstdc++-v3/src/system_error.cc
libstdc++-v3/src/thread.cc
libstdc++-v3/testsuite/20_util/reference_wrapper/invoke-2.cc
libstdc++-v3/testsuite/20_util/reference_wrapper/invoke.cc
libstdc++-v3/testsuite/20_util/reference_wrapper/ref_neg.cc
libstdc++-v3/testsuite/20_util/reference_wrapper/typedefs-3.cc
libstdc++-v3/testsuite/20_util/shared_ptr/cons/43820_neg.cc
libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc
libstdc++-v3/testsuite/20_util/weak_ptr/comparison/cmp_neg.cc
libstdc++-v3/testsuite/21_strings/basic_string/cons/char/moveable2.cc
libstdc++-v3/testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc
libstdc++-v3/testsuite/21_strings/basic_string/range_access.cc
libstdc++-v3/testsuite/22_locale/num_put/put/char/14220.cc
libstdc++-v3/testsuite/22_locale/num_put/put/char/9780-2.cc
libstdc++-v3/testsuite/23_containers/unordered_map/erase/51142.cc
libstdc++-v3/testsuite/23_containers/unordered_multimap/erase/51142.cc
libstdc++-v3/testsuite/23_containers/unordered_multiset/erase/51142.cc
libstdc++-v3/testsuite/23_containers/unordered_set/erase/51142.cc
libstdc++-v3/testsuite/25_algorithms/stable_partition/moveable.cc
libstdc++-v3/testsuite/29_atomics/atomic/cons/assign_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic/cons/copy_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic_integral/cons/assign_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic_integral/cons/copy_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic_integral/operators/bitwise_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic_integral/operators/decrement_neg.cc
libstdc++-v3/testsuite/29_atomics/atomic_integral/operators/increment_neg.cc
libstdc++-v3/testsuite/30_threads/condition_variable_any/50862.cc
libstdc++-v3/testsuite/Makefile.am
libstdc++-v3/testsuite/Makefile.in
libstdc++-v3/testsuite/ext/profile/mutex_extensions_neg.cc
libstdc++-v3/testsuite/ext/type_traits/add_unsigned_floating_neg.cc
libstdc++-v3/testsuite/ext/type_traits/remove_unsigned_floating_neg.cc
libstdc++-v3/testsuite/util/testsuite_abi.cc
lto-plugin/ChangeLog
lto-plugin/configure
maintainer-scripts/ChangeLog
zlib/ChangeLog

Update to gcc-4.6.4 release.

Merge remote-tracking branch 'gnu/gcc-4_6-branch' into rework

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210407 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-13 Richard Biener <rguenther@suse.de>

Backport from mainline
2014-03-04 Richard Biener <rguenther@suse.de>

PR tree-optimization/60382
* tree-vect-loop.c (vect_is_simple_reduction_1): Do not consider
dead PHIs a reduction.

* gcc.dg/vect/pr60382.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210371 138bc75d-0d04-0410-961f-82ee72b054a4

Remove duplicate ".endfunc".

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210346 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210316 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210302 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210295 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
Backport from 2014-05-09 trunk r210267
PR target/61055
* config/avr/avr.md (cc): Add new attribute set_vzn.
(addqi3, negqi2) [cc]:
Set cc insn attribute to set_vzn instead of set_zn for alternatives
with INC, DEC or NEG.
* config/avr/avr.c (avr_notice_update_cc): Handle SET_VZN.
(avr_out_plus_1): ADIW sets cc0 to CC_SET_CZN.
INC, DEC set cc0 to CC_CLOBBER.

gcc/testsuite/
Backport from 2014-05-09 trunk r210267
PR target/61055
* gcc.target/avr/torture/pr61055.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210270 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210250 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-08 Joshua Gay <jgay@gnu.org>

PR libstdc++/61117
* doc/xml/faq.xml (faq.license.what_restrictions): Replace "open
source" with "free software".
* doc/html/faq.html: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210242 138bc75d-0d04-0410-961f-82ee72b054a4

2014-05-08 Charles Baylis <charles.baylis@linaro.org>

Backport from mainline
2014-04-07 Charles Baylis <charles.baylis@linaro.org>

PR target/60609
* config/arm/arm.h (ASM_OUTPUT_CASE_END): Remove.
(LABEL_ALIGN_AFTER_BARRIER): Align barriers which occur after
ADDR_DIFF_VEC.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210227 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210194 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-10-21 Marek Polacek <polacek@redhat.com>

PR middle-end/58809
* fold-const.c (fold_range_test): Return 0 if the type is not
an integral type.

* gcc.dg/gomp/pr58809.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210180 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-12-03 Jakub Jelinek <jakub@redhat.com>

PR middle-end/59011
* gimplify.c (nonlocal_vla_vars): New variable.
(gimplify_var_or_parm_decl): Put VAR_DECLs for VLAs into
nonlocal_vla_vars chain.
(gimplify_body): Call declare_vars on nonlocal_vla_vars chain
if outer_bind has DECL_INITIAL (current_function_decl) block.

* gcc.dg/pr59011.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210179 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-28 Jakub Jelinek <jakub@redhat.com>

PR c++/59297
* semantics.c (finish_omp_atomic): Call finish_expr_stmt
rather than add_stmt.

* g++.dg/gomp/pr59297.C: New test.

2013-05-31 Jason Merrill <jason@redhat.com>

PR c++/56930
* semantics.c (potential_constant_expression_1): Handle OMP_ATOMIC*.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210178 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-27 Jakub Jelinek <jakub@redhat.com>

PR tree-optimization/59014
* gcc.c-torture/execute/pr59014-2.c: New test.

2013-11-26 Jakub Jelinek <jakub@redhat.com>

PR tree-optimization/59014
* tree-vrp.c (register_edge_assert_for_1): Don't look
through conversions from non-integral types or through
narrowing conversions.

* gcc.c-torture/execute/pr59014.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210177 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-11-14 Jakub Jelinek <jakub@redhat.com>
Uros Bizjak <ubizjak@gmail.com>

PR target/59101
* config/i386/i386.md (*anddi_2): Only allow CCZmode if
operands[2] satisfies_constraint_Z that might have bit 31 set.

* gcc.c-torture/execute/pr59101.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210176 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-30 Jakub Jelinek <jakub@redhat.com>

PR middle-end/58564
* fold-const.c (fold_ternary_loc): For A < 0 : <sign bit of A> : 0
optimization, punt if sign_bit_p looked through any zero extension.

* gcc.c-torture/execute/pr58564.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210174 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-10 Jakub Jelinek <jakub@redhat.com>

PR rtl-optimization/58365
* cfgcleanup.c (merge_memattrs): Also clear MEM_READONLY_P
resp. MEM_NOTRAP_P if they differ, or set MEM_VOLATILE_P if
it differs.

* gcc.c-torture/execute/pr58365.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210173 138bc75d-0d04-0410-961f-82ee72b054a4

Backported from mainline
2013-09-09 Jakub Jelinek <jakub@redhat.com>

PR c++/58325
* init.c (build_vec_delete): Call mark_rvalue_use on base.

* g++.dg/warn/Wunused-var-21.C: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@210172 138bc75d-0d04-0410-961f-82ee72b054a4