libdis_test: 0f 0d 00 prefetch (%eax) libdis_test+0x3: 0f 18 0e prefetcht0 (%esi) libdis_test+0x6: 0f 18 13 prefetcht1 (%ebx) libdis_test+0x9: 0f 18 59 04 prefetcht2 0x4(%ecx) libdis_test+0xd: 0f 0d 49 08 prefetchw 0x8(%ecx) libdis_test+0x11: 0f 18 82 67 01 00 prefetchnta 0x167(%edx) 00