theora - Jun 2009 - Problem compiling libtheora-1.1alpha2 on OpenBSD/amd64

Good morning in the Lord

I could compile libtheora-1.1alpha2 on OpenBSD i386 however trying to
compile on OpenBSD amd64 with GCC 3.3.5 and with GCC 4.2:

cc -DHAVE_CONFIG_H -I. 
-I/usr/ports/multimedia/libtheora/w-libtheora-1.1alpha2/libtheora-1.1alpha2/lib
-I.. 
-I/usr/ports/multimedia/libtheora/w-libtheora-1.1alpha2/libtheora-1.1alpha2/include
-I/usr/local/include -Wall -Wno-parentheses -fforce-addr -fomit-frame-pointer
-finline-functions -funroll-loops -O2 -pipe -MT mmxencfrag.lo -MD -MP -MF
.deps/mmxencfrag.Tpo -c
/usr/ports/multimedia/libtheora/w-libtheora-1.1alpha2/libtheora-1.1alpha2/lib/enc/x86/mmxencfrag.c
-fPIC -DPIC -o .libs/mmxencfrag.o
{standard input}: Assembler messages:
{standard input}:526: Error: `-32(%eax,%eax)' is not a valid 64 bit
base/index expression
{standard input}:594: Error: `(%eax,%ecx,2)' is not a valid 64 bit
base/index expression
{standard input}:944: Error: `-64(%ecx,%eax,2)' is not a valid 64 bit
base/index expression
{standard input}:1675: Error: `-32(%eax,%eax)' is not a valid 64 bit
base/index expression
{standard input}:1743: Error: `(%eax,%ecx,2)' is not a valid 64 bit
base/index expression

Any clue?

Best regards. God bless us.
-- 
Dios, gracias por tu amor infinito.
http://www.primarilypublicdomain.org/letter/
--  
  Vladimir T?mara Pati?o.  
  http://www.geocities.com/v-tamara