Re: [arm cross-compiling, clang] Error: selected processor does not support `ldrexd r2,r3,[r1]'

18.05.2014 20:38, Ian Lepore пишет:
> On Sun, 2014-05-18 at 20:09 +0400, Boris Samorodov wrote:
>> 18.05.2014 19:48, Boris Samorodov пишет:
>>> Hi All,
>>>
>>> The system:
>>> -----
>>> % uname -a
>>> FreeBSD bb052.bsnet 11.0-CURRENT FreeBSD 11.0-CURRENT #92 r266163: Thu
>>> May 15 23:22:26 SAMT 2014
>>> bsam_at_bb052.bsnet:/usr/obj/usr/src/sys/BB64X  amd64
>>>
>>> % clang --version
>>> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
>>> Target: x86_64-unknown-freebsd11.0
>>> Thread model: posix
>>> -----
>>>
>>> While cross-compiling (sources r266396) I get:
>>> -----
>>> % make -C /usr/src ARCH=arm TARGET_ARCH=armv6 buildworld
>>
>> Hm, at https://wiki.freebsd.org/EmbeddedHandbook one more option
>> is listed: "TARGET_CPUTYPE=armv6". Trying this.
>>
>>> [...]
>>> ===> lib/clang/liblldbAPI (all)
>>> c++   -O -pipe
>>> -I/usr/src/lib/clang/liblldbAPI/../../../contrib/llvm/tools/lldb/include
>>> -I/usr/src/lib/clang/liblldbAPI/../../
>>> ../contrib/llvm/tools/lldb/source
>>> -I/usr/src/lib/clang/liblldbAPI/../../../contrib/llvm/include
>>> -I/usr/src/lib/clang/liblldbAP
>>> I/../../../contrib/llvm/tools/clang/include
>>> -I/usr/src/lib/clang/liblldbAPI/../../../contrib/llvm/tools/lldb/source/API
>>> -I. -I
>>> /usr/src/lib/clang/liblldbAPI/../../../contrib/llvm/../../lib/clang/include
>>> -DLLVM_ON_UNIX -DLLVM_ON_FREEBSD -D__STDC_LIMIT_MA
>>> CROS -D__STDC_CONSTANT_MACROS -fno-strict-aliasing
>>> -DLLVM_DEFAULT_TARGET_TRIPLE=\"armv6-gnueabi-freebsd11.0\" -DLLVM_HOST_TRIP
>>> LE=\"armv6-unknown-freebsd11.0\" -DDEFAULT_SYSROOT=\"\"
>>> -Qunused-arguments -std=c++11 -DLLDB_DISABLE_PYTHON -fno-exceptions -f
>>> no-rtti -Wno-c++11-extensions -c
>>> /usr/src/lib/clang/liblldbAPI/../../../contrib/llvm/tools/lldb/source/API/SBAddress.cpp
>>> -o SB
>>> Address.o
>>> /tmp/SBAddress-9939f3.s: Assembler messages:
>>> /tmp/SBAddress-9939f3.s:92: Error: selected processor does not support
>>> `ldrexd r2,r3,[r1]'
>>> /tmp/SBAddress-9939f3.s:141: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:311: Error: selected processor does not support
>>> `ldrexd r8,r9,[r0]'
>>> /tmp/SBAddress-9939f3.s:312: Error: selected processor does not support
>>> `strexd r1,r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:320: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:325: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:329: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:330: Error: selected processor does not support
>>> `strexd r2,r4,r5,[r0]'
>>> /tmp/SBAddress-9939f3.s:379: Error: selected processor does not support
>>> `ldrexd r0,r1,[r0]'
>>> /tmp/SBAddress-9939f3.s:507: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:511: Error: selected processor does not support
>>> `ldrexd r2,r3,[r0]'
>>> /tmp/SBAddress-9939f3.s:512: Error: selected processor does not support
>>> `strexd r2,r8,r9,[r0]'
>>> /tmp/SBAddress-9939f3.s:665: Error: selected processor does not support
>>> `ldrexd r4,r5,[r1]'
>>> /tmp/SBAddress-9939f3.s:671: Error: selected processor does not support
>>> `ldrexd r6,r7,[r1]'
>>> /tmp/SBAddress-9939f3.s:678: Error: selected processor does not support
>>> `ldrexd r2,r3,[r1]'
>>> /tmp/SBAddress-9939f3.s:679: Error: selected processor does not support
>>> `strexd r2,r6,r7,[r1]'
>>> /tmp/SBAddress-9939f3.s:739: Error: selected processor does not support
>>> `ldrexdne r0,r1,[r0]'
>>> c++: error: assembler command failed with exit code 1 (use -v to see
>>> invocation)
>>> *** Error code 1
>>>
>>> Stop.
>>> make[6]: stopped in /usr/src/lib/clang/liblldbAPI
>>> *** Error code 1
>>> -----
> 
> While I don't think it should affect this problem, "ARCH=arm" isn't
> needed.  If anything it would be TARGET=arm, but that's implied by the
> TARGET_ARCH=armv6.

You are right, that didn't help. The build has faild with the same
error.

> I suspect the problems you're seeing are more fallout from all the
> recent WITH/WITHOUT build system changes.  I've been so focused on doing
> arm MFCs for the past week I haven't tried to build -current for a few
> days.
> 
> Since 10-stable is now in sync [1] with -current for arm stuff, but
> doesn't have all the recent build system changes, that might be a
> workable alternative for you for now... just build 10-stable instead of
> -current.

Well, the thing is I don't have any 10-stable...

> [1] mostly -- I'm still finding a few misc changesets that I missed on
> the first pass, and build/run testing of 10-stable on arm is just
> beginning.

It's definitely not my day -- crochet build failed with:
-----
--- all_subdir_libllvmarmcodegen ---
/usr/src/lib/clang/libllvmarmcodegen/../../../contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp:3687:15:
error: no member named
 'VLD1d64TPseudoWB_fixed' in namespace 'llvm::ARM'; did you mean
'VST1d64TPseudoWB_fixed'?
    case ARM::VLD1d64TPseudoWB_fixed:
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
              VST1d64TPseudoWB_fixed
./ARMGenInstrInfo.inc.h:1969:5: note: 'VST1d64TPseudoWB_fixed' declared here
    VST1d64TPseudoWB_fixed      = 1953,
    ^
/usr/src/lib/clang/libllvmarmcodegen/../../../contrib/llvm/lib/Target/ARM/ARMBaseInstrInfo.cpp:3704:15:
error: no member named
 'VLD1d64QPseudoWB_fixed' in namespace 'llvm::ARM'; did you mean
'VST1d64QPseudoWB_fixed'?
    case ARM::VLD1d64QPseudoWB_fixed:
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~
              VST1d64QPseudoWB_fixed
./ARMGenInstrInfo.inc.h:1963:5: note: 'VST1d64QPseudoWB_fixed' declared here
    VST1d64QPseudoWB_fixed      = 1947,
-----

-- 
WBR, Boris Samorodov (bsam)
FreeBSD Committer, http://www.FreeBSD.org The Power To Serve