Index: llvm/trunk/lib/Target/AMDGPU/BUFInstructions.td
===================================================================
--- llvm/trunk/lib/Target/AMDGPU/BUFInstructions.td
+++ llvm/trunk/lib/Target/AMDGPU/BUFInstructions.td
@@ -949,6 +949,13 @@
   "buffer_store_short_d16_hi", VGPR_32, i32
 >;
 
+defm BUFFER_LOAD_FORMAT_D16_HI_X : MUBUF_Pseudo_Loads <
+  "buffer_load_format_d16_hi_x", VGPR_32
+>;
+defm BUFFER_STORE_FORMAT_D16_HI_X : MUBUF_Pseudo_Stores <
+  "buffer_store_format_d16_hi_x", VGPR_32
+>;
+
 } // End HasD16LoadStore
 
 def BUFFER_WBINVL1 : MUBUF_Invalidate <"buffer_wbinvl1",
@@ -1946,6 +1953,9 @@
 defm BUFFER_LOAD_SHORT_D16      : MUBUF_Real_AllAddr_vi <0x24>;
 defm BUFFER_LOAD_SHORT_D16_HI   : MUBUF_Real_AllAddr_vi <0x25>;
 
+defm BUFFER_LOAD_FORMAT_D16_HI_X  : MUBUF_Real_AllAddr_vi <0x26>;
+defm BUFFER_STORE_FORMAT_D16_HI_X : MUBUF_Real_AllAddr_vi <0x27>;
+
 defm BUFFER_ATOMIC_SWAP         : MUBUF_Real_Atomic_vi <0x40>;
 defm BUFFER_ATOMIC_CMPSWAP      : MUBUF_Real_Atomic_vi <0x41>;
 defm BUFFER_ATOMIC_ADD          : MUBUF_Real_Atomic_vi <0x42>;
Index: llvm/trunk/test/MC/AMDGPU/mubuf-gfx9.s
===================================================================
--- llvm/trunk/test/MC/AMDGPU/mubuf-gfx9.s
+++ llvm/trunk/test/MC/AMDGPU/mubuf-gfx9.s
@@ -32,3 +32,51 @@
 buffer_store_short_d16_hi v1, off, s[4:7], s1
 // GFX9: buffer_store_short_d16_hi v1, off, s[4:7], s1 ; encoding: [0x00,0x00,0x6c,0xe0,0x00,0x01,0x01,0x01]
 // VI-ERR: error: instruction not supported on this GPU
+
+buffer_load_format_d16_hi_x v5, off, s[8:11], s3
+// GFX9: buffer_load_format_d16_hi_x v5, off, s[8:11], s3 ; encoding: [0x00,0x00,0x98,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error: instruction not supported on this GPU
+
+buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095
+// GFX9: buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 ; encoding: [0xff,0x0f,0x98,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error
+
+buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 idxen offset:4095
+// GFX9: buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 idxen offset:4095 ; encoding: [0xff,0x2f,0x98,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error
+
+buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 offen offset:4095
+// GFX9: buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 offen offset:4095 ; encoding: [0xff,0x1f,0x98,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error
+
+buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 glc
+// GFX9: buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 glc ; encoding: [0xff,0x4f,0x98,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error
+
+buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 slc
+// GFX9: buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 slc ; encoding: [0xff,0x0f,0x9a,0xe0,0x00,0x05,0x02,0x03]
+// VI-ERR: error
+
+buffer_store_format_d16_hi_x v255, off, s[12:15], s4
+// GFX9: buffer_store_format_d16_hi_x v255, off, s[12:15], s4 ; encoding: [0x00,0x00,0x9c,0xe0,0x00,0xff,0x03,0x04]
+// VI-ERR: error: instruction not supported on this GPU
+
+buffer_store_format_d16_hi_x v255, off, s[12:15], s4 offset:4095
+// GFX9: buffer_store_format_d16_hi_x v255, off, s[12:15], s4 offset:4095 ; encoding: [0xff,0x0f,0x9c,0xe0,0x00,0xff,0x03,0x04]
+// VI-ERR: error
+
+buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 idxen offset:4095
+// GFX9: buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 idxen offset:4095 ; encoding: [0xff,0x2f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+// VI-ERR: error
+
+buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 offen offset:4095
+// GFX9: buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 offen offset:4095 ; encoding: [0xff,0x1f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+// VI-ERR: error
+
+buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 glc
+// GFX9: buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 glc ; encoding: [0xff,0x4f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+// VI-ERR: error
+
+buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 slc
+// GFX9: buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 slc ; encoding: [0xff,0x0f,0x9e,0xe0,0x00,0x01,0x03,0x04]
+// VI-ERR: error
Index: llvm/trunk/test/MC/Disassembler/AMDGPU/mubuf_gfx9.txt
===================================================================
--- llvm/trunk/test/MC/Disassembler/AMDGPU/mubuf_gfx9.txt
+++ llvm/trunk/test/MC/Disassembler/AMDGPU/mubuf_gfx9.txt
@@ -0,0 +1,22 @@
+# RUN: llvm-mc -arch=amdgcn -mcpu=gfx900 -disassemble -show-encoding < %s | FileCheck %s -check-prefix=GFX9
+
+# GFX9:  buffer_load_format_d16_hi_x v5, off, s[8:11], s3 offset:4095 glc slc ; encoding: [0xff,0x4f,0x9a,0xe0,0x00,0x05,0x02,0x03]
+0xff,0x4f,0x9a,0xe0,0x00,0x05,0x02,0x03
+
+# GFX9:  buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 idxen offset:4095 ; encoding: [0xff,0x2f,0x98,0xe0,0x00,0x05,0x02,0x03]
+0xff,0x2f,0x98,0xe0,0x00,0x05,0x02,0x03
+
+# GFX9: buffer_load_format_d16_hi_x v5, v0, s[8:11], s3 offen offset:4095 ; encoding: [0xff,0x1f,0x98,0xe0,0x00,0x05,0x02,0x03]
+0xff,0x1f,0x98,0xe0,0x00,0x05,0x02,0x03
+
+# GFX9: buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 idxen offset:4095 ; encoding: [0xff,0x2f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+0xff,0x2f,0x9c,0xe0,0x00,0x01,0x03,0x04
+
+# GFX9: buffer_store_format_d16_hi_x v1, v0, s[12:15], s4 offen offset:4095 ; encoding: [0xff,0x1f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+0xff,0x1f,0x9c,0xe0,0x00,0x01,0x03,0x04
+
+# GFX9: buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 glc ; encoding: [0xff,0x4f,0x9c,0xe0,0x00,0x01,0x03,0x04]
+0xff,0x4f,0x9c,0xe0,0x00,0x01,0x03,0x04
+
+# GFX9: buffer_store_format_d16_hi_x v1, off, s[12:15], s4 offset:4095 slc ; encoding: [0xff,0x0f,0x9e,0xe0,0x00,0x01,0x03,0x04]
+0xff,0x0f,0x9e,0xe0,0x00,0x01,0x03,0x04