--- /dev/null
+#objdump: -dw
+#name: x86-64 long insns
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+0+ <foo>:
+[ ]*[a-f0-9]+: f2 f0 f0 f0 f2 f2 f2 f2 f2 f2 f0 f0 66 0f 28 repnz lock lock lock repnz repnz repnz repnz repnz repnz lock lock \(bad\)
+[ ]*[a-f0-9]+: 00 f2 add %dh,%dl
+[ ]*[a-f0-9]+: f0 f0 f0 f2 f2 f2 f2 f0 f0 f0 f0 66 0f 28 00 lock lock lock repnz repnz repnz repnz lock lock lock lock movapd \(%rax\),%xmm0
+#pass