#objdump: -dw #name: i386 prefetch .*: +file format .* Disassembly of section .text: 0+ : \s*[a-f0-9]+: 0f 0d 00 prefetch \(%eax\) \s*[a-f0-9]+: 0f 0d 08 prefetchw \(%eax\) \s*[a-f0-9]+: 0f 0d 10 prefetchwt1 \(%eax\) \s*[a-f0-9]+: 0f 0d 18 prefetch \(%eax\) \s*[a-f0-9]+: 0f 0d 20 prefetch \(%eax\) \s*[a-f0-9]+: 0f 0d 28 prefetch \(%eax\) \s*[a-f0-9]+: 0f 0d 30 prefetch \(%eax\) \s*[a-f0-9]+: 0f 0d 38 prefetch \(%eax\) 0+[0-9a-f]+ : \s*[a-f0-9]+: 0f 18 00 prefetchnta \(%eax\) \s*[a-f0-9]+: 0f 18 08 prefetcht0 \(%eax\) \s*[a-f0-9]+: 0f 18 10 prefetcht1 \(%eax\) \s*[a-f0-9]+: 0f 18 18 prefetcht2 \(%eax\) \s*[a-f0-9]+: 0f 18 20 nop/reserved \(%eax\) \s*[a-f0-9]+: 0f 18 28 nop/reserved \(%eax\) \s*[a-f0-9]+: 0f 18 30 nop/reserved \(%eax\) \s*[a-f0-9]+: 0f 18 38 nop/reserved \(%eax\)