port.c: In function 'x86_3dnow_add2f':
port.c:98: error: unknown register name 'mm0' in 'asm'
port.c:109: error: unknown register name 'mm1' in 'asm'
port.c:109: error: unknown register name 'mm0' in 'asm'
port.c: In function 'x86_3dnow_copyf':
port.c:135: error: unknown register name 'mm0' in 'asm'
port.c:137: error: unknown register name 'mm1' in 'asm'
port.c:139: error: unknown register name 'mm2' in 'asm'
port.c:141: error: unknown register name 'mm3' in 'asm'
port.c:143: error: unknown register name 'mm4' in 'asm'
port.c:145: error: unknown register name 'mm5' in 'asm'
port.c:147: error: unknown register name 'mm6' in 'asm'
port.c:149: error: unknown register name 'xmm7' in 'asm'
port.c:152: error: unknown register name 'mm0' in 'asm'
port.c:154: error: unknown register name 'mm1' in 'asm'
port.c:156: error: unknown register name 'mm2' in 'asm'
port.c:158: error: unknown register name 'mm3' in 'asm'
port.c:160: error: unknown register name 'mm4' in 'asm'
port.c:162: error: unknown register name 'mm5' in 'asm'
port.c:164: error: unknown register name 'mm6' in 'asm'
port.c:166: error: unknown register name 'mm7' in 'asm'
port.c:171: error: unknown register name 'mm0' in 'asm'
port.c:180: error: unknown register name 'mm0' in 'asm'
port.c: In function 'x86_sse_copyf':
port.c:204: error: unknown register name 'xmm0' in 'asm'
port.c:206: error: unknown register name 'xmm1' in 'asm'
port.c:208: error: unknown register name 'xmm2' in 'asm'
port.c:210: error: unknown register name 'xmm3' in 'asm'
port.c:212: error: unknown register name 'xmm4' in 'asm'
port.c:214: error: unknown register name 'xmm5' in 'asm'
port.c:216: error: unknown register name 'xmm6' in 'asm'
port.c:218: error: unknown register name 'xmm7' in 'asm'
port.c:221: error: unknown register name 'xmm0' in 'asm'
port.c:223: error: unknown register name 'xmm1' in 'asm'
port.c:225: error: unknown register name 'xmm2' in 'asm'
port.c:227: error: unknown register name 'xmm3' in 'asm'
port.c:229: error: unknown register name 'xmm4' in 'asm'
port.c:231: error: unknown register name 'xmm5' in 'asm'
port.c:233: error: unknown register name 'xmm6' in 'asm'
port.c:235: error: unknown register name 'xmm7' in 'asm'
port.c:240: error: unknown register name 'xmm0' in 'asm'
port.c:249: error: unknown register name 'xmm0' in 'asm'
port.c: In function 'x86_sse_add2f':
port.c:275: error: unknown register name 'xmm0' in 'asm'
port.c:287: error: unknown register name 'xmm0' in 'asm'
make[2]: *** [libjack_la-port.lo] Error 1
make[2]: *** Waiting for unfinished jobs....
 i686-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I. -I.. -I../config -I.. -I.. -D_REE                                                                             NTRANT -D_POSIX_PTHREAD_SEMANTICS -Wall -g -O2 -mtune=i686 -pipe -DJACK_LOCATION                                                                             =\"/usr/bin\" -I../config -I.. -I.. -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -Wal                                                                             l -g -O2 -mtune=i686 -pipe -MT libjack_la-ringbuffer.lo -MD -MP -MF .deps/libjac                                                                             k_la-ringbuffer.Tpo -c ringbuffer.c  -fPIC -DPIC -o .libs/libjack_la-ringbuffer.                                                                             o
make[2]: Leaving directory `/var/tmp/portage/jack-audio-connection-kit-0.101.1-r                                                                             1/work/jack-audio-connection-kit-0.101.1/libjack'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/var/tmp/portage/jack-audio-connection-kit-0.101.1-r                                                                             1/work/jack-audio-connection-kit-0.101.1'
make: *** [all] Error 2

!!! ERROR: media-sound/jack-audio-connection-kit-0.101.1-r1 failed.
Call stack:
  ebuild.sh, line 1543:   Called dyn_compile
  ebuild.sh, line 938:   Called src_compile
  jack-audio-connection-kit-0.101.1-r1.ebuild, line 105:   Called die

!!! compilation failed
!!! If you need support, post the topmost build error, and the call stack if rel                                                                             evant.