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+# RUN: llvm-mc -triple=hexagon -disassemble < %s | FileCheck %s
+# Hexagon Programmer's Reference Manual 11.9.1 SYSTEM/USER
+
+# Load locked
+0x11 0xc0 0x15 0x92
+# CHECK: r17 = memw_locked(r21)
+0x10 0xd0 0x15 0x92
+# CHECK: r17:16 = memd_locked(r21)
+
+# Store conditional
+0x03 0xd5 0xb1 0xa0
+# CHECK: memw_locked(r17, p3) = r21
+0x03 0xd4 0xf1 0xa0
+# CHECK: memd_locked(r17, p3) = r21:20
+
+# Memory barrier
+0x00 0xc0 0x00 0xa8
+# CHECK: barrier
+
+# Data cache prefetch
+0x15 0xc0 0x11 0x94
+# CHECK: dcfetch(r17 + #168)
+
+# Send value to ETM trace
+0x00 0xc0 0x51 0x62
+# CHECK: trace(r17)