Index: llvm/trunk/lib/Target/AMDGPU/SOPInstructions.td
===================================================================
--- llvm/trunk/lib/Target/AMDGPU/SOPInstructions.td
+++ llvm/trunk/lib/Target/AMDGPU/SOPInstructions.td
@@ -819,6 +819,13 @@
 }
 }
 
+let SubtargetPredicate = isGFX9 in {
+  let isBarrier = 1, isReturn = 1, simm16 = 0 in {
+    def S_ENDPGM_ORDERED_PS_DONE :
+      SOPP<0x01e, (ins), "s_endpgm_ordered_ps_done">;
+  } // End isBarrier = 1, isReturn = 1, simm16 = 0
+} // End SubtargetPredicate = isGFX9
+
 let isBranch = 1, SchedRW = [WriteBranch] in {
 def S_BRANCH : SOPP <
   0x00000002, (ins sopp_brtarget:$simm16), "s_branch $simm16",
Index: llvm/trunk/test/MC/AMDGPU/sopk.s
===================================================================
--- llvm/trunk/test/MC/AMDGPU/sopk.s
+++ llvm/trunk/test/MC/AMDGPU/sopk.s
@@ -1,8 +1,12 @@
-// RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=SICI %s
-// RUN: llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=SICI %s
-// RUN: llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=VI9 --check-prefix=VI %s
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=SICI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=SICI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=VI9 --check-prefix=VI %s
 // RUN: llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s | FileCheck --check-prefix=GCN --check-prefix=VI9 --check-prefix=GFX9 %s
 
+// RUN: not llvm-mc -arch=amdgcn %s 2>&1 | FileCheck -check-prefix=NOSICIVI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti %s 2>&1 | FileCheck -check-prefix=NOSICIVI -check-prefix=NOSI %s
+// RUN: not llvm-mc -arch=amdgcn -mcpu=fiji %s 2>&1 | FileCheck -check-prefix=NOSICIVI -check-prefix=NOVI %s
+
 //===----------------------------------------------------------------------===//
 // Instructions
 //===----------------------------------------------------------------------===//
@@ -167,3 +171,7 @@
 s_setreg_imm32_b32 hwreg(HW_REG_GPR_ALLOC, 1, 31), 0xff
 // SICI: s_setreg_imm32_b32 hwreg(HW_REG_GPR_ALLOC, 1, 31), 0xff ; encoding: [0x45,0xf0,0x80,0xba,0xff,0x00,0x00,0x00]
 // VI9:  s_setreg_imm32_b32 hwreg(HW_REG_GPR_ALLOC, 1, 31), 0xff ; encoding: [0x45,0xf0,0x00,0xba,0xff,0x00,0x00,0x00]
+
+s_endpgm_ordered_ps_done
+// GFX9:     s_endpgm_ordered_ps_done ; encoding: [0x00,0x00,0x9e,0xbf]
+// NOSICIVI: error: instruction not supported on this GPU
Index: llvm/trunk/test/MC/Disassembler/AMDGPU/sopk_gfx9.txt
===================================================================
--- llvm/trunk/test/MC/Disassembler/AMDGPU/sopk_gfx9.txt
+++ llvm/trunk/test/MC/Disassembler/AMDGPU/sopk_gfx9.txt
@@ -0,0 +1,4 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx900 -disassemble -show-encoding < %s | FileCheck %s -check-prefix=GFX9
+
+# GFX9: s_endpgm_ordered_ps_done ; encoding: [0x00,0x00,0x9e,0xbf]
+0x00,0x00,0x9e,0xbf