[mpich-discuss] Assembler messages at build ?

[Junchao Zhang]

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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