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@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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