[ ]*[a-f0-9]+: 0f 1d 04 59 nopl \(%ecx,%ebx,2\)
[ ]*[a-f0-9]+: 0f 1e 04 59 nopl \(%ecx,%ebx,2\)
[ ]*[a-f0-9]+: 0f 1f 04 59 nopl \(%ecx,%ebx,2\)
-[ ]*[a-f0-9]+: 0f 1f 00 nopl \(%eax\)
[ ]*[a-f0-9]+: 0f 1f c0 nop %eax
[ ]*[a-f0-9]+: 66 0f 1f c0 nop %ax
[ ]*[a-f0-9]+: 0f 1f 00 nopl \(%eax\)