llvm dev - Sep 2012 - [LLVMdev] Fail to compile LLVM on Gentoo Linux

On Sep 12, 2012, at 8:50 PM, Sean Silva <silvas at purdue.edu> wrote:
>>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:197:1:
internal compiler error: in extract_insn, at recog.c:2103
> 
> I think that this is a GCC ICE.

Yes, very definitely. 

Jim
> 
> --Sean Silva
> 
> On Wed, Sep 12, 2012 at 10:53 PM, 陳韋任 (Wei-Ren Chen)
> <chenwj at iis.sinica.edu.tw> wrote:
>> Hi all,
>> 
>>  I think it's Gentoo's bug, but I want to know if anyone has
the same
>> issue here. I am compiling LLVM trunk on Gentoo (gcc 4.5.2), and I get
>> error message below,
>> 
>> ---
>> make[4]: Entering directory
`/nfs_home/chenwj/llvm-3.1/svn/build/tools/clang/lib/Frontend'
>> llvm[4]: Compiling InitHeaderSearch.cpp for Release+Asserts build
>>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:
In member function
'void<unnamed>::InitHeaderSearch::AddMinGWCPlusPlusIncludePaths(llvm::StringRef,
llvm::StringRef, llvm::StringRef)':
>>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:197:1:
error: unrecognizable insn:
>> (insn 318 317 46 2
/nfs_home/chenwj/llvm-3.1/svn/llvm/include/llvm/ADT/Twine.h:181 (set (reg:DI 23
xmm2)
>>        (plus:DI (reg:DI 23 xmm2)
>>            (mem/u/c/i:DI (symbol_ref/u:DI ("*.LC22") [flags
0x2]) [0 S8 A64]))) -1 (expr_list:REG_EQUIV (plus:DI (reg/f:DI 7 sp)
>>            (mem/u/c/i:DI (symbol_ref/u:DI ("*.LC22") [flags
0x2]) [0 S8 A64]))
>>        (nil)))
>>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:197:1:
internal compiler error: in extract_insn, at recog.c:2103
>> Please submit a full bug report,
>> with preprocessed source if appropriate.
>> See <http://bugs.gentoo.org/> for instructions.
>> ---
>> 
>>  Thanks.
>> 
>> Regards,
>> chenwj
>> 
>> --
>> Wei-Ren Chen (陳韋任)
>> Computer Systems Lab, Institute of Information Science,
>> Academia Sinica, Taiwan (R.O.C.)
>> Tel:886-2-2788-3799 #1667
>> Homepage: http://people.cs.nctu.edu.tw/~chenwj
>> 
>> _______________________________________________
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> 
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> >>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:197:1:
internal compiler error: in extract_insn, at recog.c:2103
> > 
> > I think that this is a GCC ICE.
> 
> 
> Yes, very definitely. 
> 
> Jim
  O.K., I already file a Gentoo bug report for this.

Regards,
chenwj

[1] https://bugs.gentoo.org/show_bug.cgi?id=434852

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj

On Wed, Sep 12, 2012 at 08:52:08PM -0700, Jim Grosbach
wrote:
> 
> 
> On Sep 12, 2012, at 8:50 PM, Sean Silva <silvas at purdue.edu> wrote:
> 
> >>
/nfs_home/chenwj/llvm-3.1/svn/llvm/tools/clang/lib/Frontend/InitHeaderSearch.cpp:197:1:
internal compiler error: in extract_insn, at recog.c:2103
> > 
> > I think that this is a GCC ICE.
> 
> 
> Yes, very definitely. 
> 
> Jim
  Do you guys think putting Gentoo GCC 4.5 & 4.6 on the list is a good
idea [1]?

Regards,
chenwj

[1] http://llvm.org/docs/GettingStarted.html#brokengcc

-- 
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj

Hi 陳韋任,

 >    Do you guys think putting Gentoo GCC 4.5 & 4.6 on the list is a
good
> idea [1]?
if these are the standard gentoo compilers, and you aren't building with
some
weird optimization flags, then yes.

Ciao, Duncan.