#objdump: -dw #name: x86-64 prefetch #source: prefetch.s .*: +file format .* Disassembly of section .text: 0+ : \s*[a-f0-9]+: 0f 0d 00 prefetch \(%rax\) \s*[a-f0-9]+: 0f 0d 08 prefetchw \(%rax\) \s*[a-f0-9]+: 0f 0d 10 prefetchwt1 \(%rax\) \s*[a-f0-9]+: 0f 0d 18 prefetch \(%rax\) \s*[a-f0-9]+: 0f 0d 20 prefetch \(%rax\) \s*[a-f0-9]+: 0f 0d 28 prefetch \(%rax\) \s*[a-f0-9]+: 0f 0d 30 prefetch \(%rax\) \s*[a-f0-9]+: 0f 0d 38 prefetch \(%rax\) 0+[0-9a-f]+ : \s*[a-f0-9]+: 0f 18 00 prefetchnta \(%rax\) \s*[a-f0-9]+: 0f 18 08 prefetcht0 \(%rax\) \s*[a-f0-9]+: 0f 18 10 prefetcht1 \(%rax\) \s*[a-f0-9]+: 0f 18 18 prefetcht2 \(%rax\) \s*[a-f0-9]+: 0f 18 20 nop/reserved \(%rax\) \s*[a-f0-9]+: 0f 18 28 nop/reserved \(%rax\) \s*[a-f0-9]+: 0f 18 30 nop/reserved \(%rax\) \s*[a-f0-9]+: 0f 18 38 nop/reserved \(%rax\)