Index: lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
===================================================================
--- lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
+++ lib/Target/AMDGPU/AsmParser/AMDGPUAsmParser.cpp
@@ -1042,6 +1042,8 @@
   bool validateIntClampSupported(const MCInst &Inst);
   bool validateMIMGAtomicDMask(const MCInst &Inst);
   bool validateMIMGDataSize(const MCInst &Inst);
+  bool validateMIMGR128(const MCInst &Inst);
+  bool validateMIMGD16(const MCInst &Inst);
   bool usesConstantBus(const MCInst &Inst, unsigned OpIdx);
   bool isInlineConstant(const MCInst &Inst, unsigned OpIdx) const;
   unsigned findImplicitSGPRReadInVOP(const MCInst &Inst) const;
@@ -2326,6 +2328,35 @@
   return DMask == 0x1 || DMask == 0x3 || DMask == 0xf;
 }
 
+bool AMDGPUAsmParser::validateMIMGR128(const MCInst &Inst) {
+
+  const unsigned Opc = Inst.getOpcode();
+  const MCInstrDesc &Desc = MII.get(Opc);
+
+  if ((Desc.TSFlags & SIInstrFlags::MIMG) == 0)
+    return true;
+
+  int Idx = AMDGPU::getNamedOperandIdx(Opc, AMDGPU::OpName::r128);
+  assert(Idx != -1);
+
+  bool R128 = (Inst.getOperand(Idx).getImm() != 0);
+
+  return !R128 || isCI() || isSI() || isVI();
+}
+
+bool AMDGPUAsmParser::validateMIMGD16(const MCInst &Inst) {
+
+  const unsigned Opc = Inst.getOpcode();
+  const MCInstrDesc &Desc = MII.get(Opc);
+
+  if ((Desc.TSFlags & SIInstrFlags::MIMG) == 0)
+    return true;
+  if ((Desc.TSFlags & SIInstrFlags::D16) == 0)
+    return true;
+
+  return !isCI() && !isSI();
+}
+
 bool AMDGPUAsmParser::validateInstruction(const MCInst &Inst,
                                           const SMLoc &IDLoc) {
   if (!validateConstantBusLimitations(Inst)) {
@@ -2353,6 +2384,17 @@
       "invalid atomic image dmask");
     return false;
   }
+  if (!validateMIMGR128(Inst)) {
+    Error(IDLoc,
+      "r128 modifier is not supported on this GPU");
+    return false;
+  }
+  // For MUBUF/MTBUF d16 is a part of opcode, so there is nothing to validate.
+  if (!validateMIMGD16(Inst)) {
+    Error(IDLoc,
+      "d16 modifier is not supported on this GPU");
+    return false;
+  }
 
   return true;
 }
Index: test/MC/AMDGPU/mimg.s
===================================================================
--- test/MC/AMDGPU/mimg.s
+++ test/MC/AMDGPU/mimg.s
@@ -1,115 +1,138 @@
-// RUN: llvm-mc -arch=amdgcn -show-encoding %s | FileCheck %s --check-prefix=SICI
-// RUN: llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s | FileCheck %s --check-prefix=SICI
-// RUN: llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s | FileCheck %s --check-prefix=VI
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s | FileCheck %s --check-prefix=GCN --check-prefix=SICI --check-prefix=SICIVI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s | FileCheck %s --check-prefix=GCN --check-prefix=SICI --check-prefix=SICIVI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s | FileCheck %s --check-prefix=GCN --check-prefix=GFX9 --check-prefix=GFX89
+
+// RUN:     llvm-mc -arch=amdgcn -mcpu=fiji -show-encoding %s | FileCheck %s --check-prefix=GCN  --check-prefix=SICIVI --check-prefix=VI --check-prefix=GFX89
+
+// RUN: not llvm-mc -arch=amdgcn -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOSICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=tahiti -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOSICI
+// RUN: not llvm-mc -arch=amdgcn -mcpu=gfx900 -show-encoding %s 2>&1 | FileCheck %s --check-prefix=NOGFX9
 
 //===----------------------------------------------------------------------===//
 // Image Load/Store
 //===----------------------------------------------------------------------===//
 
 image_load    v[4:6], v[237:240], s[28:35] dmask:0x7 unorm
-// SICI: image_load v[4:6], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x00,0xf0,0xed,0x04,0x07,0x00]
-// VI:   image_load v[4:6], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x00,0xf0,0xed,0x04,0x07,0x00]
+// GCN:  image_load v[4:6], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x00,0xf0,0xed,0x04,0x07,0x00]
 
 image_load    v4, v[237:240], s[28:35]
-// SICI: image_load v4, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x00,0xf0,0xed,0x04,0x07,0x00]
-// VI:   image_load v4, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x00,0xf0,0xed,0x04,0x07,0x00]
+// GCN:  image_load v4, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x00,0xf0,0xed,0x04,0x07,0x00]
 
 image_load    v[4:7], v[237:240], s[28:35] dmask:0x7 tfe
-// SICI: image_load v[4:7], v[237:240], s[28:35] dmask:0x7 tfe ; encoding: [0x00,0x07,0x01,0xf0,0xed,0x04,0x07,0x00]
-// VI:   image_load v[4:7], v[237:240], s[28:35] dmask:0x7 tfe ; encoding: [0x00,0x07,0x01,0xf0,0xed,0x04,0x07,0x00]
+// GCN:  image_load v[4:7], v[237:240], s[28:35] dmask:0x7 tfe ; encoding: [0x00,0x07,0x01,0xf0,0xed,0x04,0x07,0x00]
 
 // Verify support of all possible modifiers.
 // FIXME: This test is incorrect because r128 assumes a 128-bit SRSRC.
-// FIXME: Check that d16 is not supported before VI
 image_load    v[5:6], v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 tfe lwe da d16
-// VI:   image_load v[5:6], v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 tfe lwe da d16 ; encoding: [0x00,0xf1,0x03,0xf2,0x01,0x05,0x02,0x80]
+// NOSICI: error: d16 modifier is not supported on this GPU
+// VI:     image_load v[5:6], v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 tfe lwe da d16 ; encoding: [0x00,0xf1,0x03,0xf2,0x01,0x05,0x02,0x80]
+// NOGFX9: error: r128 modifier is not supported on this GPU
 
-// FIXME: Check that d16 is not supported before VI
 image_load v5, v[1:4], s[8:15] d16
-// VI:   image_load v5, v[1:4], s[8:15] d16 ; encoding: [0x00,0x00,0x00,0xf0,0x01,0x05,0x02,0x80]
+// NOSICI: error: d16 modifier is not supported on this GPU
+// GFX89:  image_load v5, v[1:4], s[8:15] d16 ; encoding: [0x00,0x00,0x00,0xf0,0x01,0x05,0x02,0x80]
+
+image_load v5, v[1:4], s[8:15] r128
+// SICIVI: image_load v5, v[1:4], s[8:15] r128 ; encoding: [0x00,0x80,0x00,0xf0,0x01,0x05,0x02,0x00]
+// NOGFX9: error: r128 modifier is not supported on this GPU
 
 image_store   v[193:195], v[237:240], s[28:35] dmask:0x7 unorm
-// SICI: image_store v[193:195], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x20,0xf0,0xed,0xc1,0x07,0x00]
-// VI:   image_store v[193:195], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x20,0xf0,0xed,0xc1,0x07,0x00]
+// GCN: image_store v[193:195], v[237:240], s[28:35] dmask:0x7 unorm ; encoding: [0x00,0x17,0x20,0xf0,0xed,0xc1,0x07,0x00]
 
 image_store   v193, v[237:240], s[28:35]
-// SICI: image_store v193, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x20,0xf0,0xed,0xc1,0x07,0x00]
-// VI:   image_store v193, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x20,0xf0,0xed,0xc1,0x07,0x00]
+// GCN: image_store v193, v[237:240], s[28:35] ; encoding: [0x00,0x00,0x20,0xf0,0xed,0xc1,0x07,0x00]
 
 image_store   v[193:194], v[237:240], s[28:35] tfe
-// SICI: image_store v[193:194], v[237:240], s[28:35] tfe ; encoding: [0x00,0x00,0x21,0xf0,0xed,0xc1,0x07,0x00]
-// VI:   image_store v[193:194], v[237:240], s[28:35] tfe ; encoding: [0x00,0x00,0x21,0xf0,0xed,0xc1,0x07,0x00]
+// GCN: image_store v[193:194], v[237:240], s[28:35] tfe ; encoding: [0x00,0x00,0x21,0xf0,0xed,0xc1,0x07,0x00]
 
 // Verify support of all possible modifiers.
 // FIXME: This test is incorrect because r128 assumes a 128-bit SRSRC.
-// FIXME: Check that d16 is not supported before VI
 image_store   v5, v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 lwe da d16
-// VI:   image_store v5, v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 lwe da d16 ; encoding: [0x00,0xf1,0x22,0xf2,0x01,0x05,0x02,0x80]
+// NOSICI: error: d16 modifier is not supported on this GPU
+// VI:     image_store v5, v[1:4], s[8:15] dmask:0x1 unorm glc slc r128 lwe da d16 ; encoding: [0x00,0xf1,0x22,0xf2,0x01,0x05,0x02,0x80]
+// NOGFX9: error: r128 modifier is not supported on this GPU
 
-// FIXME: Check that d16 is not supported before VI
 image_store    v5, v[1:4], s[8:15] d16
-// VI:   image_store v5, v[1:4], s[8:15] d16 ; encoding: [0x00,0x00,0x20,0xf0,0x01,0x05,0x02,0x80]
+// NOSICI: error: d16 modifier is not supported on this GPU
+// GFX89:  image_store v5, v[1:4], s[8:15] d16 ; encoding: [0x00,0x00,0x20,0xf0,0x01,0x05,0x02,0x80]
+
+// FIXME: This test is incorrect because r128 assumes a 128-bit SRSRC.
+image_store    v5, v[1:4], s[8:15] r128
+// SICIVI: image_store v5, v[1:4], s[8:15] r128 ; encoding: [0x00,0x80,0x20,0xf0,0x01,0x05,0x02,0x00]
+// NOGFX9: error: r128 modifier is not supported on this GPU
 
 //===----------------------------------------------------------------------===//
 // Image Sample
 //===----------------------------------------------------------------------===//
 
 image_sample  v[193:195], v[237:240], s[28:35], s[4:7] dmask:0x7 unorm
-// SICI: image_sample v[193:195], v[237:240], s[28:35], s[4:7] dmask:0x7 unorm ; encoding: [0x00,0x17,0x80,0xf0,0xed,0xc1,0x27,0x00]
-// VI:   image_sample v[193:195], v[237:240], s[28:35], s[4:7] dmask:0x7 unorm ; encoding: [0x00,0x17,0x80,0xf0,0xed,0xc1,0x27,0x00]
+// GCN: image_sample v[193:195], v[237:240], s[28:35], s[4:7] dmask:0x7 unorm ; encoding: [0x00,0x17,0x80,0xf0,0xed,0xc1,0x27,0x00]
 
 image_sample  v193, v[237:240], s[28:35], s[4:7]
-// SICI: image_sample v193, v[237:240], s[28:35], s[4:7] ; encoding: [0x00,0x00,0x80,0xf0,0xed,0xc1,0x27,0x00]
-// VI:   image_sample v193, v[237:240], s[28:35], s[4:7] ; encoding: [0x00,0x00,0x80,0xf0,0xed,0xc1,0x27,0x00]
+// GCN: image_sample v193, v[237:240], s[28:35], s[4:7] ; encoding: [0x00,0x00,0x80,0xf0,0xed,0xc1,0x27,0x00]
 
 image_sample  v[193:194], v[237:240], s[28:35], s[4:7] tfe
-// SICI: image_sample v[193:194], v[237:240], s[28:35], s[4:7] tfe ; encoding: [0x00,0x00,0x81,0xf0,0xed,0xc1,0x27,0x00]
-// VI:   image_sample v[193:194], v[237:240], s[28:35], s[4:7] tfe ; encoding: [0x00,0x00,0x81,0xf0,0xed,0xc1,0x27,0x00]
+// GCN: image_sample v[193:194], v[237:240], s[28:35], s[4:7] tfe ; encoding: [0x00,0x00,0x81,0xf0,0xed,0xc1,0x27,0x00]
+
+// FIXME: This test is incorrect because r128 assumes a 128-bit SRSRC.
+image_sample  v193, v[237:240], s[28:35], s[4:7] r128
+// SICIVI: image_sample v193, v[237:240], s[28:35], s[4:7] r128 ; encoding: [0x00,0x80,0x80,0xf0,0xed,0xc1,0x27,0x00]
+// NOGFX9: error: r128 modifier is not supported on this GPU
+
+image_sample  v193, v[237:240], s[28:35], s[4:7] d16
+// NOSICI: error: d16 modifier is not supported on this GPU
+// GFX89:  image_sample v193, v[237:240], s[28:35], s[4:7] d16 ; encoding: [0x00,0x00,0x80,0xf0,0xed,0xc1,0x27,0x80]
 
 //===----------------------------------------------------------------------===//
 // Image Atomics
 //===----------------------------------------------------------------------===//
 
 image_atomic_add v4, v[192:195], s[28:35] dmask:0x1 unorm glc
-// SICI: image_atomic_add v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x44,0xf0,0xc0,0x04,0x07,0x00]
-// VI:   image_atomic_add v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x48,0xf0,0xc0,0x04,0x07,0x00]
+// SICI:  image_atomic_add v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x44,0xf0,0xc0,0x04,0x07,0x00]
+// GFX89: image_atomic_add v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x48,0xf0,0xc0,0x04,0x07,0x00]
 
 image_atomic_add v252, v2, s[8:15] dmask:0x1 unorm
-// SICI: image_atomic_add v252, v2, s[8:15] dmask:0x1 unorm ; encoding: [0x00,0x11,0x44,0xf0,0x02,0xfc,0x02,0x00]
-// VI:   image_atomic_add v252, v2, s[8:15] dmask:0x1 unorm ; encoding: [0x00,0x11,0x48,0xf0,0x02,0xfc,0x02,0x00]
+// SICI:  image_atomic_add v252, v2, s[8:15] dmask:0x1 unorm ; encoding: [0x00,0x11,0x44,0xf0,0x02,0xfc,0x02,0x00]
+// GFX89: image_atomic_add v252, v2, s[8:15] dmask:0x1 unorm ; encoding: [0x00,0x11,0x48,0xf0,0x02,0xfc,0x02,0x00]
 
 image_atomic_add v[6:7], v255, s[8:15] dmask:0x3
-// SICI: image_atomic_add v[6:7], v255, s[8:15] dmask:0x3 ; encoding: [0x00,0x03,0x44,0xf0,0xff,0x06,0x02,0x00]
-// VI:   image_atomic_add v[6:7], v255, s[8:15] dmask:0x3 ; encoding: [0x00,0x03,0x48,0xf0,0xff,0x06,0x02,0x00]
+// SICI:  image_atomic_add v[6:7], v255, s[8:15] dmask:0x3 ; encoding: [0x00,0x03,0x44,0xf0,0xff,0x06,0x02,0x00]
+// GFX89: image_atomic_add v[6:7], v255, s[8:15] dmask:0x3 ; encoding: [0x00,0x03,0x48,0xf0,0xff,0x06,0x02,0x00]
 
 image_atomic_add v7, v3, s[0:7] dmask:0x1 glc
-// SICI: image_atomic_add v7, v3, s[0:7] dmask:0x1 glc ; encoding: [0x00,0x21,0x44,0xf0,0x03,0x07,0x00,0x00]
-// VI:   image_atomic_add v7, v3, s[0:7] dmask:0x1 glc ; encoding: [0x00,0x21,0x48,0xf0,0x03,0x07,0x00,0x00]
+// SICI:  image_atomic_add v7, v3, s[0:7] dmask:0x1 glc ; encoding: [0x00,0x21,0x44,0xf0,0x03,0x07,0x00,0x00]
+// GFX89: image_atomic_add v7, v3, s[0:7] dmask:0x1 glc ; encoding: [0x00,0x21,0x48,0xf0,0x03,0x07,0x00,0x00]
 
 image_atomic_add v8, v4, s[8:15] dmask:0x1 slc
-// SICI: image_atomic_add v8, v4, s[8:15] dmask:0x1 slc ; encoding: [0x00,0x01,0x44,0xf2,0x04,0x08,0x02,0x00]
-// VI:   image_atomic_add v8, v4, s[8:15] dmask:0x1 slc ; encoding: [0x00,0x01,0x48,0xf2,0x04,0x08,0x02,0x00]
+// SICI:  image_atomic_add v8, v4, s[8:15] dmask:0x1 slc ; encoding: [0x00,0x01,0x44,0xf2,0x04,0x08,0x02,0x00]
+// GFX89: image_atomic_add v8, v4, s[8:15] dmask:0x1 slc ; encoding: [0x00,0x01,0x48,0xf2,0x04,0x08,0x02,0x00]
 
 image_atomic_add v9, v5, s[8:15] dmask:0x1 unorm glc slc lwe da
-// SICI: image_atomic_add v9, v5, s[8:15] dmask:0x1 unorm glc slc lwe da ; encoding: [0x00,0x71,0x46,0xf2,0x05,0x09,0x02,0x00]
-// VI:   image_atomic_add v9, v5, s[8:15] dmask:0x1 unorm glc slc lwe da ; encoding: [0x00,0x71,0x4a,0xf2,0x05,0x09,0x02,0x00]
+// SICI:  image_atomic_add v9, v5, s[8:15] dmask:0x1 unorm glc slc lwe da ; encoding: [0x00,0x71,0x46,0xf2,0x05,0x09,0x02,0x00]
+// GFX89: image_atomic_add v9, v5, s[8:15] dmask:0x1 unorm glc slc lwe da ; encoding: [0x00,0x71,0x4a,0xf2,0x05,0x09,0x02,0x00]
 
 image_atomic_add v10, v6, s[8:15] dmask:0x1 lwe
-// SICI: image_atomic_add v10, v6, s[8:15] dmask:0x1 lwe ; encoding: [0x00,0x01,0x46,0xf0,0x06,0x0a,0x02,0x00]
-// VI:   image_atomic_add v10, v6, s[8:15] dmask:0x1 lwe ; encoding: [0x00,0x01,0x4a,0xf0,0x06,0x0a,0x02,0x00]
+// SICI:  image_atomic_add v10, v6, s[8:15] dmask:0x1 lwe ; encoding: [0x00,0x01,0x46,0xf0,0x06,0x0a,0x02,0x00]
+// GFX89: image_atomic_add v10, v6, s[8:15] dmask:0x1 lwe ; encoding: [0x00,0x01,0x4a,0xf0,0x06,0x0a,0x02,0x00]
 
 image_atomic_add v11, v7, s[8:15] dmask:0x1 da
-// SICI: image_atomic_add v11, v7, s[8:15] dmask:0x1 da ; encoding: [0x00,0x41,0x44,0xf0,0x07,0x0b,0x02,0x00]
-// VI:   image_atomic_add v11, v7, s[8:15] dmask:0x1 da ; encoding: [0x00,0x41,0x48,0xf0,0x07,0x0b,0x02,0x00]
+// SICI:  image_atomic_add v11, v7, s[8:15] dmask:0x1 da ; encoding: [0x00,0x41,0x44,0xf0,0x07,0x0b,0x02,0x00]
+// GFX89: image_atomic_add v11, v7, s[8:15] dmask:0x1 da ; encoding: [0x00,0x41,0x48,0xf0,0x07,0x0b,0x02,0x00]
 
 image_atomic_swap v4, v[192:195], s[28:35] dmask:0x1 unorm glc
-// SICI: image_atomic_swap v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x3c,0xf0,0xc0,0x04,0x07,0x00]
-// VI:   image_atomic_swap v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x40,0xf0,0xc0,0x04,0x07,0x00]
+// SICI:  image_atomic_swap v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x3c,0xf0,0xc0,0x04,0x07,0x00]
+// GFX89: image_atomic_swap v4, v[192:195], s[28:35] dmask:0x1 unorm glc ; encoding: [0x00,0x31,0x40,0xf0,0xc0,0x04,0x07,0x00]
 
 image_atomic_cmpswap v[4:5], v[192:195], s[28:35] dmask:0x3 unorm glc
-// SICI: image_atomic_cmpswap v[4:5], v[192:195], s[28:35] dmask:0x3 unorm glc ; encoding: [0x00,0x33,0x40,0xf0,0xc0,0x04,0x07,0x00]
-// VI:   image_atomic_cmpswap v[4:5], v[192:195], s[28:35] dmask:0x3 unorm glc ; encoding: [0x00,0x33,0x44,0xf0,0xc0,0x04,0x07,0x00]
+// SICI:  image_atomic_cmpswap v[4:5], v[192:195], s[28:35] dmask:0x3 unorm glc ; encoding: [0x00,0x33,0x40,0xf0,0xc0,0x04,0x07,0x00]
+// GFX89: image_atomic_cmpswap v[4:5], v[192:195], s[28:35] dmask:0x3 unorm glc ; encoding: [0x00,0x33,0x44,0xf0,0xc0,0x04,0x07,0x00]
 
 image_atomic_cmpswap v[4:7], v[192:195], s[28:35] dmask:0xf unorm glc
-// SICI: image_atomic_cmpswap v[4:7], v[192:195], s[28:35] dmask:0xf unorm glc ; encoding: [0x00,0x3f,0x40,0xf0,0xc0,0x04,0x07,0x00]
-// VI:   image_atomic_cmpswap v[4:7], v[192:195], s[28:35] dmask:0xf unorm glc ; encoding: [0x00,0x3f,0x44,0xf0,0xc0,0x04,0x07,0x00]
+// SICI:  image_atomic_cmpswap v[4:7], v[192:195], s[28:35] dmask:0xf unorm glc ; encoding: [0x00,0x3f,0x40,0xf0,0xc0,0x04,0x07,0x00]
+// GFX89: image_atomic_cmpswap v[4:7], v[192:195], s[28:35] dmask:0xf unorm glc ; encoding: [0x00,0x3f,0x44,0xf0,0xc0,0x04,0x07,0x00]
+
+// FIXME: This test is incorrect because r128 assumes a 128-bit SRSRC.
+image_atomic_add v10, v6, s[8:15] dmask:0x1 r128
+// SICI: image_atomic_add v10, v6, s[8:15] dmask:0x1 r128 ; encoding: [0x00,0x81,0x44,0xf0,0x06,0x0a,0x02,0x00]
+// VI:   image_atomic_add v10, v6, s[8:15] dmask:0x1 r128 ; encoding: [0x00,0x81,0x48,0xf0,0x06,0x0a,0x02,0x00]
+// NOGFX9: error: r128 modifier is not supported on this GPU