@@ -7,10 +7,12 @@
 mips      $2      $2    ---   ---      ---    ---
 sparc     %o0     %o0   ---   ---      ---    ---
 alpha     $0      $0    $0    $0,$1    ---    ---
 hppa      %r28    %r28  ---   ---      ---    ---
 arm       r0      r0    ---   r0,r1    ---    ---
-rs6000    3       3     ---   3,4      ---    ---
+powerpc   3       3     ---   3,4      ---    ---
+powerpc64 ---     ---   ---   ---      ---    ---
 m88k      r2      ---   ---   ---      ---    ---
 convex    s0      s0    s0    s0.l     ---    ---
 ia64      r8      r8    f8    r8,r9    r8     ---
-x86_64    eax     eax   xmm0  rax,rdx  rax    
+x86_64    eax     eax   xmm0  rax,rdx  rax    ---
+s390      r2      r2    r2,r3 r2,r3    r2     ---