Debian 6, amd64
https://github.com/yacoin/yacoin/archive/stable_0.4.4.tar.gz$qmake
$make
gcc -c -pipe -O3 -msse2 -O2 -D_REENTRANT -Wall -W -DQT_GUI -DBOOST_THREAD_USE_LIB -DBOOST_SPIRIT_THREADSAFE -DSCRYPT_CHACHA -DSCRYPT_KECCAK512 -DUSE_UPNP=1 -DSTATICLIB -DUSE_IPV6=1 -DHAVE_BUILD_INFO -DLINUX -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED -I/usr/share/qt4/mkspecs/linux-g++ -I/usr/include/qt4/QtCore -I/usr/include/qt4/QtGui -I/usr/include/qt4 -Isrc -Isrc/json -Isrc/qt -Ibuild -Ibuild -o build/scrypt-jane.o src/scrypt-jane/scrypt-jane.c
{standard input}: Assembler messages:
{standard input}:50: Error: no such instruction: `vprotd xmm3,xmm3,16'
{standard input}:53: Error: no such instruction: `vprotd xmm1,xmm1,12'
{standard input}:56: Error: no such instruction: `vprotd xmm3,xmm3,8'
{standard input}:60: Error: no such instruction: `vprotd xmm1,xmm1,7'
{standard input}:65: Error: no such instruction: `vprotd xmm3,xmm3,16'
{standard input}:68: Error: no such instruction: `vprotd xmm1,xmm1,12'
{standard input}:71: Error: no such instruction: `vprotd xmm3,xmm3,8'
{standard input}:75: Error: no such instruction: `vprotd xmm1,xmm1,7'
---------------------------
it really overcome ?