2011-01-05  Ralf Corsepius  <ralf.corsepius@rtems.org>

        * libc/configure.in: Remove redundant posix_dir processing.
        * libc/configure: Regenerate.

* faq-setup.xml (faq.setup.cli): Correct description of -pubkey option

merge from gcc

* ChangeLog-2010: Create from ChangeLog.
* ChangeLog: Start fresh.

Sync toplevel configure from GCC.

/:
Sync from GCC:
2010-12-22  Hariharan Sandanagobalane  <hariharan@picochip.com>

* configure.ac: (picochip): Disable libiberty.
* configure: Regenerate.

run copyright.sh for 2011.

PR gas/11395
* config/tc-hppa.c (pa_ip): Revert last change.  Add variable need_cond
to determine whether a 64-bit condition is needed for 'A' and 'S'
conditions.  Default to 32-bit never condition for logical and unit
instructions.  Add error message for missing branch on bit condition.

* hppa.h (pa_opcodes): Revert last change.  Exchange 32 and 64-bit
"bb" entries.

* hppa-dis.c (compare_cond_64_names): Change never condition to ",*".
(add_cond_64_names): Likewise.
(logical_cond_64_names): Likewise.
(unit_cond_64_names): Likewise.

fix typo in Corinna Vinschen's e-mail address

Move ChangeLog entry.

* cygtls.cc: Include stdlib.h.
(_cygtls::init_thread): Seed random number generator on a per-thread basis.

2010-12-27  David Byron  <dbyron0@users.sourceforge.net>

        * include/winioctl.h (STORAGE_BUS_TYPE): Define.

2010-12-27  Ozkan Sezer  <sezero@users.sourceforge.net>

        * include/dirent.h (dd_handle): Define as intptr_t.

2010-12-27  Seth Jackson  <sethj@users.sourceforge.net>

        * include/winbase.h (GetComputerNameEx): Define.

2010-09-22  Ryan Lortie  <desrt@desrt.ca>

        * include/winbase.h (TzSpecificLocalTimeToSystemTime): Define.

2010-11-08 Rodrigo Rivas Costa <rodrigorivascosta@gmail.com>

        * tlssup.c (__dyn_tls_init): Use an integer variable to iterate between
        __xd_a and __xd_z.

2010-12-27  Markus Koenig  <basilo@users.sourceforge.net>

        * include/gdiplus/gdipluspixelformats.h (PixelFormatIndexed,
        PixelFormatGDI, PixelFormatAlpha, PixelFormatPAlpha,
        PixelFormatExtended, PixelFormatCanonical, PixelFormatUndefined,
        PixelFormatDontCare, PixelFormat1bppIndexed, PixelFormat4bppIndexed,
        PixelFormat8bppIndexed, PixelFormat16bppGrayScale,
        PixelFormat16bppRGB555, PixelFormat16bppRGB565, PixelFormat16bpp1555,
        PixelFormat24bppRGB, PixelFormat32bppRGB, PixelFormat32bppARGB,
        PixelFormat32bppPARGB, PixelFormat48bppRGB, PixelFormat64bppARGB,
        PixelFormat64bppPARGB, PixelFormatMax): Fix definition.

2010-10-20  Seth Jackson  <sethj@users.sourceforge.net>

        * include/commctrl.h (TC_ITEMHEADER[AW]): Rename to TCITEMHEADER[AW].
        Add defines for backward compatibility.

2010-12-27  Johann Hanne  <jonnyh33@users.sourceforge.net>

        * include/oaidl.h (GetTypeComp, GetTypeComp, IsMatchingType): Fix defintion.
        * include/objidl.h (AddConnection, ReleaseConnection): Ditto.
        * include/winbase.h (EnumResourceLanguagesA, EnumResourceLanguagesW,
        EnumResourceNamesA, EnumResourceNamesW, EnumResourceTypesA,
        EnumResourceTypesW): Ditto.
        * include/winnt.h (_SYSTEM_POWER_CAPABILITIES): Ditto.

2010-12-27  Seth Jackson  <sethj@users.sourceforge.net>

        * include/basetsd.h: (INT8, UINT8, INT16, UINT16): Define.

2010-12-27  Paul Sokolovsky  <pfalcon@users.sf.net>

        * include/bdatypes.h: Add missing semicolons.

* include/cygwin/version.h: Bump CYGWIN_VERSION_API_MINOR to 234.

PR gas/11395
* config/tc-hppa.c (pa_ip): Set doubleword carry/borrow bit when a
doubleword completer or doubleword condition is found in an add/sub
instruction.  Reject match for 'A'/'S' only if there is no condition
and d bit is not set.

* gas/hppa/basic/add2.s: Add test for a simple doubleword carry
instruction.
* gas/hppa/basic/sub2.s: Add tests for simple word and doubleword
borrow instructions.
* gas/hppa/basic/basic.exp: Update regexps for above.

* opcode/hppa.h: Clear "d" bit in "add" and "sub" patterns.

cygwin:
* cygwin.din: Export program_invocation_name and
program_invocation_short_name.
* dcrt0.cc: Set program_invocation*name to correct values, based on
argv[0].
* globals.cc (program_invocation_name): Define.
(program_invocation_short_name): Ditto
newlib:
* libc/include/sys/errno.h (program_invocation_name): Declare.
(program_invocation_short_name): Ditto.

include/opcode/
* mips.h: Update commentary after last commit.

include/opcode/
2010-12-14  Mingjie Xing  <mingjie.xing@gmail.com>

* mips.h (OP_*_OFFSET_A, OP_*_OFFSET_B, OP_*_OFFSET_C)
(OP_*_RZ, OP_*_FZ, INSN2_M_FP_D, INSN2_WRITE_GPR_Z, INSN2_WRITE_FPR_Z)
(INSN2_READ_GPR_Z, INSN2_READ_FPR_Z, INSN2_READ_GPR_D): Define.

opcodes/
2010-12-14  Mingjie Xing  <mingjie.xing@gmail.com>

* mips-opc.c (WR_z, WR_Z, RD_z, RD_Z, RD_d): Define.
(mips_builtin_opcodes): Add loongson3a specific instructions.
* mips-dis.c (print_insn_args): Handle the new arguments +a|b|c|z|Z.

gas/
2010-12-14  Mingjie Xing  <mingjie.xing@gmail.com>

* config/tc-mips.c (insn_uses_reg): Handle the new flags
INSN2_READ_FPR_Z, INSN2_READ_GPR_D and INSN2_READ_GPR_Z.
(append_insn): Handle delay-slot filling for the new flags.
(validate_mips_insn): Handle the new arguments +a|b|c|z|Z.
(mips_ip): Handle the new arguments +a|b|c|z|Z.

gas/testsuite/
2010-12-14  Mingjie Xing  <mingjie.xing@gmail.com>

* gas/mips/loongson-3a-2.s, gas/mips/loongson-3a-2.d,
gas/mips/loongson-3a-3.s, gas/mips/loongson-3a-3.d: New tests.
* gas/mips/mips.exp: Run them.

2010-12-18  Jeff Johnston  <jjohnstn@redhat.com>

        * COPYING.LIBGLOSS: Remove the GPL for fr30 target.

Remove GPL licencsing

2010-12-16  Jeff Johnston  <jjohnstn@redhat.com>

        * NEWS: Update with 1.19.0 info.
        * README: Ditto.
        * MAINTAINERS: Update.
        * acinclude.m4: Change version number to 1.19.0.
        * aclocal.m4: Regenerated.
        * configure: Ditto.
        * Makefile.am: Fix stmp-targ-include target.
        * Makefile.in: Regenerated.
        * doc/aclocal.m4: Ditto.
        * doc/configure: Ditto.
        * libc/*/aclocal.m4: Ditto.
        * libc/*/configure: Ditto.
        * libc/libc.texinfo: Ditto.
        * libm/*/aclocal.m4: Ditto.
        * libm/*/configure: Ditto.
        * libm/libm.texinfo: Ditto.
        * libc/sys/linux/shared.ld: Add VERS_1.19

* security.cc (alloc_sd): Really fix erroneous inheritence entry
duplication now.  Add more comments for clarity.

* sec_acl.cc (getacl): Ensure that the default acl contains at least
DEF_(USER|GROUP|OTHER)_OBJ entries.

* security.cc (alloc_sd): Fix erroneous inheritence entry duplication.

2010-12-14  Jeff Johnston  <jjohnstn@redhat.com>

        * Makefile.am: Add support to copy all sub-directories of the
        sys/SYS_DIR/include directory, if they contain header files.
        * Makefile.in: Regenerated.

Move gdb ChangeLog entry to gdb/ChangeLog.

gdb:
* valops.c (value_one): Use get_array_bounds to compute the number
of array elements instead of dividing the length of the array by the
length of the element types.
* valarith.c (value_complement, value_neg): Likewise.

* syscalls.cc (check_dir_not_empty): Never count more than 3 directory
entries.

* init.cc (search_for): Put this in shared section or suffer subtle problems
with the tls.
* pinfo.cc (status_exit): Add debug output to report on unexpected exit.
* tls_pbuf.cc (tmp_pathbuf::c_get): Add more details to internal error.

* setfacl.c (strchrnul): New function.
(getaclentry): Rewrite.

PR bootstrap/46819
* configure.ac: For --disable-libgcj clear libgcj_saved.
* configure: Rebuild.

2010-12-10  Tobias Burnus  <burnus@net-b.de>

PR fortran/46540
* configure.ac: Add --disable-libquadmath and
--disable-libquadmath-support.

* cyglsa-config: Unset GREP_OPTIONS when calling grep.

2010-12-10  Tristan Gingold  <gingold@adacore.com>

        * src-release (ETC_SUPPORT): add gnu-oids.texi

fix typo

* autoload.cc (RETRY_COUNT): New define.
(std_dll_init): Restructure loop to retry loading a DLL only if
specific errors occur.  If these errors persist, try to load DLL
with name only.

2010-12-08  Jeff Johnston  <jjohnstn@redhat.com>

        * libm/mathfp/sf_logarithm.c: Change isfinitef reference to isfinite.

* include/sys/types.h: Add #if defined(__rtems__) around
pthread_attr_t.guardsize.

* include/pthread.h: Add pthread_attr_setstack, pthread_attr_getstack,
pthread_attr_getguardsize, pthread_attr_setguardsize.
* include/sys/types.h (pthread_attr_t): Add guardsize.

* include/strings.h: Remove in favor of equivalent newlib file.

* libc/include/strings.h: Don't include locale.h.

* sec_acl.cc (getacl): Set DEF_CLASS_OBJ permissions to 07 instead
of 0777.

strings.h: avoid namespace pollution

* libc/include/strings.h: Don't declare removed functions when
requesting POSIX 2008 compliance.

Fix formatting.

2010-12-07  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/stdlib/strtod.c(_strtod_r): Fix code to handle case whereby
        _DOUBLE_IS_32BITS is set and DBL_DIGS is 6 instead of 15.

* configure.ac: Always set default for poststage1_ldflags to
-static-libstdc++ -static-libgcc.

2010-12-07  Ralf Corsépius  <ralf.corsepius@rtems.org>

        * libc/include/strings.h: New (split-out from string.h).

* cygpath.cc (get_device_name): Fix path length test.

* path.cc (path_conv::check): Don't generate ENOENT for non-existant
CYGDRIVE and NETDRIVE paths.  Add comment.

Check in for PR other/46020 was meant for PR other/46026.

PR libffi/46792
* configure.ac (cris-*-elf, crisv32-*-elf): Disable target-libffi.
* configure: Regenerate.

PR target/40125
PR lto/46695
* lthostflags.m4: New file.
(ACX_LT_HOST_FLAGS): Define.

* libc/include/math.h: Missing from previous checkin.

* mh-cygwin (LDFLAGS): Turn up stack allocation to 12MB.
(BOOT_LDFLAGS): Add matching stack size flag.
* mh-mingw (LDFLAGS): Likewise.
(BOOT_LDFLAGS): Likewise.

2010-12-02  Jeff Johnston  <jjohnstn@redhat.com>

        * COPYING.NEWLIB: Add National Semiconductor notice.

2010-12-02  Craig Howland <howland@LGSInnovations.com>

        * libm/common/s_log2.c:  Change from using M_LOG2_E to M_LN2 define
        (from math.h--the latter is POSIX, the former non-standard).
        * libm/common/sf_log2.c:  Ditto.  Change cast for M_LN2 from float to
        float_t (in case all math not done in float).
        * libc/include/math.h:  Ditto (same 2 things as sf_log2.c).

2010-12-02  Jayant Sonar  jayant.sonar@kpitcummins.com
            Kaushik Phatak  kaushik.phatak@kpitcummins.com

        * configure.in: Add CR16 support.
        * configure: Regenerated.
        * cr16/aclocal.m4: New.
        * cr16/close.c: New.
        * cr16/configure: New.
        * cr16/configure.in: New.
        * cr16/crt1.S: New.
        * cr16/crti.S: New.
        * cr16/crtn.S: New.
        * cr16/dvz_hndl.c: New.
        * cr16/_exit.c: New.
        * cr16/flg_hndl.c: New.
        * cr16/fstat.c: New.
        * cr16/_getenv.c: New.
        * cr16/getpid.c: New.
        * cr16/iad_hndl.c: New.
        * cr16/intable.c: New.
        * cr16/isatty.c: New.
        * cr16/kill.c: New.
        * cr16/lseek.c: New.
        * cr16/Makefile.in: New.
        * cr16/open.c: New.
        * cr16/putnum.c: New.
        * cr16/read.c: New.
        * cr16/_rename.c: New.
        * cr16/sbrk.c: New.
        * cr16/sim.ld: New.
        * cr16/stat.c: New.
        * cr16/svc_hndl.c: New.
        * cr16/time.c: New.
        * cr16/und_hndl.c: New.
        * cr16/unlink.c: New.
        * cr16/write.c: New.

2010-12-02  Jayant Sonar  jayant.sonar@kpitcummins.com
            Kaushik Phatak  kaushik.phatak@kpitcummins.com

        * configure.host: Add CR16 support.
        * libc/include/machine/ieeefp.h: Ditto.
        * libc/include/machine/setjmp.h: Ditto.
        * libc/include/sys/config.h: Ditto.
        * libc/machine/configure.in: Ditto
        * libc/machine/configure: Regenerated
        * libc/machine/cr16/aclocal.m4: New.
        * libc/machine/cr16/configure.in: New
        * libc/machine/cr16/configure: New
        * libc/machine/cr16/getenv.c: New
        * libc/machine/cr16/Makefile.am: New
        * libc/machine/cr16/Makefile.in: New
        * libc/machine/cr16/setjmp.S: New
        * libc/machine/cr16/sys/asm.h: New
        * libc/machine/cr16/sys/libh.h: New
        * libc/machine/cr16/sys/syscall.h: New

* net.cc (get_xp_ifs): Fix counting of idx to return stable interface
alias names for interfaces with multiple IPv4 addresses.

* fhandler_tty.cc (fhandler_tty_slave::dup): Free path_conv strings
to avoid memory leak.  Add comment.
(fhandler_pty_master::dup): Ditto.
* path.h (path_conv::free_strings): New method.

* libm/complex/catan.c, libm/complex/catanf.c,
libm/complex/ctan.c, libm/complex/ctanf.c:
Use HUGE_VAL instead of MAXNUM.

* configure.ac: Move comment to remove extra space in last argument
of GCC_TARGET_TOOL.

* bootstrap-lto.mk (BOOT_ADAFLAGS): Delete.

* libm/complex/cargf.c: Use crealf instead of creal.

PR other/46020
* configure.ac (CXX_FOR_TARGET): Add -funconfigured-libstdc++-v3.
* Makefile.def (CXX_FOR_TARGET): Removed from flags_to_pass.
* Makefile.tpl (CXX_FOR_TARGET_FLAG_TO_PASS): New.
(BASE_FLAGS_TO_PASS): Use it.
* configure: Rebuilt.
* Makefile.in: Rebuilt.

2010-11-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* config/tc-s390.c (current_cpu): Initialize with latest CPU.
(init_default_arch): Default to z/Architecture mode if CPU provides it.
Remove the check setting the CPU default.

2010-11-25  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

* opcode/s390.h (enum s390_opcode_cpu_val): Add S390_OPCODE_MAXCPU.

include/opcode/
* mips.h: Fix previous commit.

Properly check default linker.

2010-11-23  H.J. Lu  <hongjiu.lu@intel.com>

PR binutils/12258
* configure.ac: Correct comments for --enable-gold/--enable-ld.
Properly check default linker.
* configure: Regnerated.

* mips.h (INSN_CHIP_MASK): Update according to INSN_LOONGSON_3A.
(INSN_LOONGSON_3A): Clear bit 31.

* elfxx-mips.c (mips_set_isa_flags): Move bfd_mach_loongson_3a
after bfd_mach_mips_sb1.

* config/tc-mips.c (mips_cpu_info_table): Move loongson3a after sb1.

* autoload.cc (SendARP): Remove.
* net.cc (get_flags): Set IFF_NOARP flag for PPP and SLIP devices.
(get_xp_ifs): Unify IFF_BROADCAST setting.  Drop calling SendARP to
set IFF_NOARP flag.

* configure.ac: For --enable-gold, handle value `default' instead of
`both*'.   New configure option --{en,dis}able-ld.

ld, gold/
* configure.ac: For --enable-gold, handle value `default' instead of
`both*'. Always install ld as ld.gold, install as ld if gold is
the default.

* path.cc (symlink_info::check): Don't use FileNetworkOpenInformation
on Netapps.  Relax condition for workaround.  Always request size
information via FileStandardInformation info class in workaround.

Move ChangeLog entry to the correct ChangeLog file.

ravenscar/sparc: cannot fetch registers from non-active thread

gdb/ChangeLog:

        * ravenscar-sparc-thread.c (supply_register_at_address):
        Fix passing of buf in call to regcache_raw_supply.

* mount.cc (NETAPP_IGNORE): Add FILE_PERSISTENT_ACLS.
(FS_IS_NETAPP_DATAONTAP): Drop test for FILE_PERSISTENT_ACLS.
(fs_info::update): Set filetype to ntfs in remote case, too.  Fix a
couple of comments.  Add test for Netapps faking to be FAT.

* mount.h (IMPLEMENT_FS_FLAG): Simplify definition and usage.

* net.cc (get_ipv4fromreg_ipcnt): Fix debug output.  Only create debug
output if error is not ERROR_FILE_NOT_FOUND.
(get_ipv4fromreg): Ditto.

* configure.ac: Only disable a language library if no language needs
it.  Don't let --disable-libgcj uncondtionally disable libffi.
* configure: Rebuild.

Also moved ChangeLog entry to correct file.

sync toplevel with gcc

PR other/46202: implement install-strip.

/:
PR other/46202
* configure.ac: Fix just-built in-tree STRIP name to be
binutils/strip-new.
* configure: Regenerate.
* Makefile.def (install-strip-gcc, install-strip-binutils)
(install-strip-opcodes, install-strip-ld, install-strip-itcl)
(install-strip-sid): Mirror dependencies on non-strip variants
of these targets on the respective -strip prerequisites.
* Makefile.tpl (install-strip, install-strip-host)
(install-strip-target): New targets.
(install-strip-[+module+], install-strip-target-[+module+]):
New targets.
* Makefile.in: Regenerate.

etc/:
* Makefile.in (install-strip): New target.

libiberty/:
PR other/46202
* Makefile.in (install-strip): New phony target.
(install): Also mark as phony.

Merge from gcc top-level.

./:
* configure.ac: Add target-libgo to target_libraries.  Set
and substitute GOC_FOR_BUILD and GOC_FOR_TARGET.
* Makefile.tpl (BUILD_EXPORTS): Add GOC and GOCFLAGS.
(HOST_EXPORTS): Add GOC.
(BASE_TARGET_EXPORTS): Add GOC.
(GOC_FOR_BUILD, GOCFLAGS, GOC_FOR_TARGET): New variables.
(GOCFLAGS_FOR_TARGET): New variable.
(EXTRA_HOST_FLAGS): Add GOC.
(EXTRA_TARGET_FLAGS): Add GOC and GOCFLAGS.
* Makefile.def (target_modules): Add libgo.
(flags_to_pass): Add GOC_FOR_TARGET and GOCFLAGS_FOR_TARGET.
(dependencies): Add dependency from configure-target-libgo to
configure-target-libffi and all-target-libstdc++-v3.  Add
dependencies from all-target-libgo to all-target-libffi.
(languages): Add go.
* configure: Rebuild.
* Makefile.in: Rebuild.

* config-ml.in: Add Go support: treat GOC and GOCFLAGS like other
compiler/flag environment variables.

* configure.ac: Check for lang_requires_boot_languages in
config-lang.in files.
* configure: Rebuild.

PR fortran/32049
* Makefile.def: Add libquadmath; build it with language=fortran.
* configure.ac: Add libquadmath.
* Makefile.tpl: Handle multiple libs in check-[+language+].
* Makefile.in: Regenerate.
* configure: Regenerate.

* configure.ac: Fix spelling in option names.
* configure: Regenerated.

PR bootstrap/39622
* configure.ac (FLAGS_FOR_TARGET): Add include-fixed path.
* configure: Regenerated.

* config/cloog.m4: Add -enable-cloog-backend=(isl|ppl|ppl-legacy) to
define the cloog backend to use. Furthermore, only pass the ppllibs to
the configure checks, if necessary.
* configure: Regenerate.

* config/cloog.m4: Use CLooG predefined macro to check for CLooG PPL.
* configure: regenerate

* config/cloog.m4: Fix typo.  verison -> version.
* configure: Regenerate.

* config/cloog.m4: Pass ppl libraries to the CLooG version check.
* configure: Regenerate.

* configure.ac: Support official CLooG.org versions.
* configure: Regenerate.
* config/cloog.m4: New.

* configure.ac (*-*-darwin*): Use mh-darwin for all Darwin variants.
* configure: Regenerate.

config/:
* cloog.m4 (CLOOG_INIT_FLAGS): Fix spelling in option names.

* bootstrap-lto: Use -flto.

* mh-darwin: Renamed from mh-ppc-darwin.

* libc/locale/locale.c (loadlocale): Recognise the "cjknarrow"
modifier on "C.<charset>" locales too.

* fhandler_tty.cc (fhandler_tty_slave::fchown): Initialize mode to 0.

* setup2.sgml (setup-locale-ov): Document CJK ambiguous width change
for non-Unicode charsets.
* new-features.sgml (ov-new1.7.8): Mention CJK ambiguous width change.
Drop redundant NT4 pre-SP4 support entry.

* libc/locale/locale.c (loadlocale): Fix width of CJK ambigous
characters to 1 for singlebyte charsets and 2 for non-Unicode
multibyte charsets. Change documentation accordingly.

2010-11-17  Bernd Schmidt  <bernds@codesourcery.com>

        * tic6x/syscalls.c (cio_getclk_to_host, cio_getclk_from_host): New
        structs.
        (cio_to_host, cio_from_host): Use them.
        (clock): New function.

2010-11-17  Bernd Schmidt  <bernds@codesourcery.com>

        * configure.host (newlib_cflags): For tic6x, add -DCLOCK_PROVIDED.

start a gitignore

merge from gcc

* libc/machine/i386/setjmp.S (longjmp): Per POSIX, return 1 if second
argument is 0.

* libc/include/sys/types.h: Add _mode_t for __rtems__.
* libc/sys/rtems/machine/_types.h: Provide _mode_t, _fpos_t, _off_t.
Add _ssize_t for 64bit sparc.
Let arm, i386, m68k, mips, PPC, sparc use 64bit _off_t, _fpos_t.

* configure.host: Add -D_COMPILING_NEWLIB to newlib_cflags.

blackfin: add support for L1 code/data flags

Add new linker options for marking programs to load into L1 memory
at runtime.  This needs new EF flag bits, so declare them.

Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

* posix.sgml: Move llround and llroundf to implemented SUSv4 functions.
* include/cygwin/version.h: Add llround and llroundf to the comment for
the 233 CYGWIN_VERSION_API_MINOR bump.

PR gas/12198
* gas/config/tc-arm.c (arm_arch_v6m_only): New variable.
(aeabi_set_public_attributes): Ensure we only set the Operating System
Extension when we are on an M-profile core.
* gas/testsuite/gas/arm/pr12198-1.d: New test.
* gas/testsuite/gas/arm/pr12918-1.s: Likewise.
* gas/testsuite/gas/arm/pr12198-2.d: Likewise.
* gas/testsuite/gas/arm/pr12918-2.s: Likewise.
* include/opcode/arm.h (ARM_AEXT_V6M_ONLY): New define.
(ARM_AEXT_V6M): Rewrite in terms of ARM_AEXT_V6M_ONLY.
(ARM_ARCH_V6M_ONLY): New define.