[mpich-discuss] Assembler messages at build ?

[Huiwei Lu]

Because I am not familiar with solaris, I will have some wild guesses here.

1. Does it has to be ‘-m32’? I searched a little bit and find SunOS 5.11 actually support 64 bit if the processor is 64 bit. Have you tried to configure and compile without ‘-m32’? What’s the output?
2. Can you give us the output of ‘isainfo -v’?
3. Have you tried the newest version of gcc? Because SunOS 5.11 is quite old now, maybe it is a bug in an old version of gcc which has been fixed.

— Huiwei Lu
http://www.mcs.anl.gov/~huiweilu/

On Nov 23, 2013, at 9:02 PM, Junchao Zhang <jczhang at mcs.anl.gov> wrote:

> Hi, Lou,
>   It seems you met a compiler bug which shows up at the assemble stage.
>   Let's look at what it is. Try make V=1 src/mpi/coll/helper_fns.lo
>   Copy the command which gcc used to compile helper_fns.c , Then add extra flags " -v -save-temps" to the command. You should find the error happens at which line of the helper_fns.s file. Let's see what you will find.
>   Thanks.
> 
> --Junchao Zhang
> 
> 
> On Sat, Nov 23, 2013 at 11:13 AM, Lou Picciano <loupicciano at comcast.net> wrote:
> mpich Wizards,
> 
> Trying our first build of mpich-3.0.4, and seeing Assembler messages at build time:
> (there are clearly a lot of config options to become familiar with; but, as a first pass):
> 
> Configure is:
> ./configure --prefix=/usr/local/mpi32 \
> CFLAGFS="-m32" FFLAGS="-m32" \
> | tee c.txt
> 
> $ make
> ...
>   CC       src/mpi/attr/attrutil.lo
>   CC       src/mpi/attr/dup_fn.lo
>   CC       src/mpi/coll/allred_group.lo
>   CC       src/mpi/coll/barrier_group.lo
>   CC       src/mpi/coll/helper_fns.lo
> /var/tmp//ccf4aaqC.s: Assembler messages:
> /var/tmp//ccf4aaqC.s:851: Error: number of operands mismatch for `mov'
> /var/tmp//ccf4aaqC.s:859: Error: number of operands mismatch for `mov'
> make[2]: *** [src/mpi/coll/helper_fns.lo] Error 1
> make[2]: Leaving directory `<build_path>/mpich-3.0.4'
> make[1]: *** [all-recursive] Error 1
> 
> gcc 4.7.3
> Platform is i86 OpenIndiana (Illumos, Solaris-ish)
> 
> Can anyone point me in the right direction?
> 
> Lou
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