Implement GL_NV_cooperative_matrix
diff --git a/SPIRV/GLSL.ext.NV.h b/SPIRV/GLSL.ext.NV.h
index 102d645..ede2c57 100644
--- a/SPIRV/GLSL.ext.NV.h
+++ b/SPIRV/GLSL.ext.NV.h
@@ -72,4 +72,7 @@
 //SPV_NV_shading_rate
 const char* const E_SPV_NV_shading_rate = "SPV_NV_shading_rate";
 
+//SPV_NV_cooperative_matrix
+const char* const E_SPV_NV_cooperative_matrix = "SPV_NV_cooperative_matrix";
+
 #endif  // #ifndef GLSLextNV_H
diff --git a/SPIRV/GlslangToSpv.cpp b/SPIRV/GlslangToSpv.cpp
old mode 100755
new mode 100644
index 9bf3704..2ddece1
--- a/SPIRV/GlslangToSpv.cpp
+++ b/SPIRV/GlslangToSpv.cpp
@@ -1330,6 +1330,10 @@
     }
     builder.setMemoryModel(addressingModel, memoryModel);
 
+    if (glslangIntermediate->usingVariablePointers()) {
+        builder.addCapability(spv::CapabilityVariablePointers);
+    }
+
     shaderEntry = builder.makeEntryPoint(glslangIntermediate->getEntryPointName().c_str());
     entryPoint = builder.addEntryPoint(executionModel, shaderEntry, glslangIntermediate->getEntryPointName().c_str());
 
@@ -1870,16 +1874,31 @@
         // So, this has to be block.lastMember.length().
         // SPV wants "block" and member number as the operands, go get them.
 
-        glslang::TIntermTyped* block = node->getOperand()->getAsBinaryNode()->getLeft();
-        block->traverse(this);
-        unsigned int member = node->getOperand()->getAsBinaryNode()->getRight()->getAsConstantUnion()->getConstArray()[0].getUConst();
-        spv::Id length = builder.createArrayLength(builder.accessChainGetLValue(), member);
+        spv::Id length;
+        if (node->getOperand()->getType().isCoopMat()) {
+            spec_constant_op_mode_setter.turnOnSpecConstantOpMode();
+
+            spv::Id typeId = convertGlslangToSpvType(node->getOperand()->getType());
+            assert(builder.isCooperativeMatrixType(typeId));
+
+            length = builder.createCooperativeMatrixLength(typeId);
+        } else {
+            glslang::TIntermTyped* block = node->getOperand()->getAsBinaryNode()->getLeft();
+            block->traverse(this);
+            unsigned int member = node->getOperand()->getAsBinaryNode()->getRight()->getAsConstantUnion()->getConstArray()[0].getUConst();
+            length = builder.createArrayLength(builder.accessChainGetLValue(), member);
+        }
 
         // GLSL semantics say the result of .length() is an int, while SPIR-V says
         // signedness must be 0. So, convert from SPIR-V unsigned back to GLSL's
         // AST expectation of a signed result.
-        if (glslangIntermediate->getSource() == glslang::EShSourceGlsl)
-            length = builder.createUnaryOp(spv::OpBitcast, builder.makeIntType(32), length);
+        if (glslangIntermediate->getSource() == glslang::EShSourceGlsl) {
+            if (builder.isInSpecConstCodeGenMode()) {
+                length = builder.createBinOp(spv::OpIAdd, builder.makeIntType(32), length, builder.makeIntConstant(0));
+            } else {
+                length = builder.createUnaryOp(spv::OpBitcast, builder.makeIntType(32), length);
+            }
+        }
 
         builder.clearAccessChain();
         builder.setAccessChainRValue(length);
@@ -2222,6 +2241,7 @@
     case glslang::EOpConstructStruct:
     case glslang::EOpConstructTextureSampler:
     case glslang::EOpConstructReference:
+    case glslang::EOpConstructCooperativeMatrix:
     {
         builder.setLine(node->getLoc().line, node->getLoc().getFilename());
         std::vector<spv::Id> arguments;
@@ -2229,7 +2249,9 @@
         spv::Id constructed;
         if (node->getOp() == glslang::EOpConstructTextureSampler)
             constructed = builder.createOp(spv::OpSampledImage, resultType(), arguments);
-        else if (node->getOp() == glslang::EOpConstructStruct || node->getType().isArray()) {
+        else if (node->getOp() == glslang::EOpConstructStruct ||
+                 node->getOp() == glslang::EOpConstructCooperativeMatrix ||
+                 node->getType().isArray()) {
             std::vector<spv::Id> constituents;
             for (int c = 0; c < (int)arguments.size(); ++c)
                 constituents.push_back(arguments[c]);
@@ -2347,6 +2369,10 @@
         noReturnValue = true;
         break;
 #endif
+    case glslang::EOpCooperativeMatrixLoad:
+    case glslang::EOpCooperativeMatrixStore:
+        noReturnValue = true;
+        break;
 
     default:
         break;
@@ -2389,6 +2415,7 @@
     //
     glslang::TIntermSequence& glslangOperands = node->getSequence();
     std::vector<spv::Id> operands;
+    std::vector<spv::IdImmediate> memoryAccessOperands;
     for (int arg = 0; arg < (int)glslangOperands.size(); ++arg) {
         // special case l-value operands; there are just a few
         bool lvalue = false;
@@ -2445,6 +2472,14 @@
             if (arg >= 2)
                 lvalue = true;
             break;
+        case glslang::EOpCooperativeMatrixLoad:
+            if (arg == 0 || arg == 1)
+                lvalue = true;
+            break;
+        case glslang::EOpCooperativeMatrixStore:
+            if (arg == 1)
+                lvalue = true;
+            break;
         default:
             break;
         }
@@ -2453,6 +2488,50 @@
             glslangOperands[0]->getAsBinaryNode()->getLeft()->traverse(this);
         else
             glslangOperands[arg]->traverse(this);
+
+        if (node->getOp() == glslang::EOpCooperativeMatrixLoad ||
+            node->getOp() == glslang::EOpCooperativeMatrixStore) {
+
+            if (arg == 1) {
+                // fold "element" parameter into the access chain
+                spv::Builder::AccessChain save = builder.getAccessChain();
+                builder.clearAccessChain();
+                glslangOperands[2]->traverse(this);
+
+                spv::Id elementId = accessChainLoad(glslangOperands[2]->getAsTyped()->getType());
+
+                builder.setAccessChain(save);
+
+                // Point to the first element of the array.
+                builder.accessChainPush(elementId, TranslateCoherent(glslangOperands[arg]->getAsTyped()->getType()),
+                                                   getBufferReferenceAlignment(glslangOperands[arg]->getAsTyped()->getType()));
+
+                spv::Builder::AccessChain::CoherentFlags coherentFlags = builder.getAccessChain().coherentFlags;
+                unsigned int alignment = builder.getAccessChain().alignment;
+
+                int memoryAccess = TranslateMemoryAccess(coherentFlags);
+                if (node->getOp() == glslang::EOpCooperativeMatrixLoad)
+                    memoryAccess &= ~spv::MemoryAccessMakePointerAvailableKHRMask;
+                if (node->getOp() == glslang::EOpCooperativeMatrixStore)
+                    memoryAccess &= ~spv::MemoryAccessMakePointerVisibleKHRMask;
+                if (builder.getStorageClass(builder.getAccessChain().base) == spv::StorageClassPhysicalStorageBufferEXT) {
+                    memoryAccess = (spv::MemoryAccessMask)(memoryAccess | spv::MemoryAccessAlignedMask);
+                }
+
+                memoryAccessOperands.push_back(spv::IdImmediate(false, memoryAccess));
+
+                if (memoryAccess & spv::MemoryAccessAlignedMask) {
+                    memoryAccessOperands.push_back(spv::IdImmediate(false, alignment));
+                }
+
+                if (memoryAccess & (spv::MemoryAccessMakePointerAvailableKHRMask | spv::MemoryAccessMakePointerVisibleKHRMask)) {
+                    memoryAccessOperands.push_back(spv::IdImmediate(true, builder.makeUintConstant(TranslateMemoryScope(coherentFlags))));
+                }
+            } else if (arg == 2) {
+                continue;
+            }
+        }
+
         if (lvalue)
             operands.push_back(builder.accessChainGetLValue());
         else {
@@ -2462,7 +2541,33 @@
     }
 
     builder.setLine(node->getLoc().line, node->getLoc().getFilename());
-    if (atomic) {
+    if (node->getOp() == glslang::EOpCooperativeMatrixLoad) {
+        std::vector<spv::IdImmediate> idImmOps;
+
+        idImmOps.push_back(spv::IdImmediate(true, operands[1])); // buf
+        idImmOps.push_back(spv::IdImmediate(true, operands[2])); // stride
+        idImmOps.push_back(spv::IdImmediate(true, operands[3])); // colMajor
+        idImmOps.insert(idImmOps.end(), memoryAccessOperands.begin(), memoryAccessOperands.end());
+        // get the pointee type
+        spv::Id typeId = builder.getContainedTypeId(builder.getTypeId(operands[0]));
+        assert(builder.isCooperativeMatrixType(typeId));
+        // do the op
+        spv::Id result = builder.createOp(spv::OpCooperativeMatrixLoadNV, typeId, idImmOps);
+        // store the result to the pointer (out param 'm')
+        builder.createStore(result, operands[0]);
+        result = 0;
+    } else if (node->getOp() == glslang::EOpCooperativeMatrixStore) {
+        std::vector<spv::IdImmediate> idImmOps;
+
+        idImmOps.push_back(spv::IdImmediate(true, operands[1])); // buf
+        idImmOps.push_back(spv::IdImmediate(true, operands[0])); // object
+        idImmOps.push_back(spv::IdImmediate(true, operands[2])); // stride
+        idImmOps.push_back(spv::IdImmediate(true, operands[3])); // colMajor
+        idImmOps.insert(idImmOps.end(), memoryAccessOperands.begin(), memoryAccessOperands.end());
+
+        builder.createNoResultOp(spv::OpCooperativeMatrixStoreNV, idImmOps);
+        result = 0;
+    } else if (atomic) {
         // Handle all atomics
         result = createAtomicOperation(node->getOp(), precision, resultType(), operands, node->getBasicType());
     } else {
@@ -3090,6 +3195,19 @@
             spvType = builder.makeVectorType(spvType, type.getVectorSize());
     }
 
+    if (type.isCoopMat()) {
+        builder.addCapability(spv::CapabilityCooperativeMatrixNV);
+        builder.addExtension(spv::E_SPV_NV_cooperative_matrix);
+        if (type.getBasicType() == glslang::EbtFloat16)
+            builder.addCapability(spv::CapabilityFloat16);
+
+        spv::Id scope = makeArraySizeId(*type.getTypeParameters(), 1);
+        spv::Id rows = makeArraySizeId(*type.getTypeParameters(), 2);
+        spv::Id cols = makeArraySizeId(*type.getTypeParameters(), 3);
+
+        spvType = builder.makeCooperativeMatrixType(spvType, scope, rows, cols);
+    }
+
     if (type.isArray()) {
         int stride = 0;  // keep this 0 unless doing an explicit layout; 0 will mean no decoration, no stride
 
@@ -4847,7 +4965,8 @@
     // handle mapped binary operations (should be non-comparison)
     if (binOp != spv::OpNop) {
         assert(comparison == false);
-        if (builder.isMatrix(left) || builder.isMatrix(right))
+        if (builder.isMatrix(left) || builder.isMatrix(right) ||
+            builder.isCooperativeMatrix(left) || builder.isCooperativeMatrix(right))
             return createBinaryMatrixOperation(binOp, decorations, typeId, left, right);
 
         // No matrix involved; make both operands be the same number of components, if needed
@@ -4968,7 +5087,7 @@
             firstClass = false;
         break;
     case spv::OpMatrixTimesScalar:
-        if (builder.isMatrix(right))
+        if (builder.isMatrix(right) || builder.isCooperativeMatrix(right))
             std::swap(left, right);
         assert(builder.isScalar(right));
         break;
@@ -4989,6 +5108,9 @@
         break;
     }
 
+    if (builder.isCooperativeMatrix(left) || builder.isCooperativeMatrix(right))
+        firstClass = true;
+
     if (firstClass) {
         spv::Id result = builder.createBinOp(op, typeId, left, right);
         builder.addDecoration(result, decorations.noContraction);
@@ -7030,6 +7152,10 @@
         builder.createNoResultOp(spv::OpWritePackedPrimitiveIndices4x8NV, operands);
         return 0;
 #endif
+    case glslang::EOpCooperativeMatrixMulAdd:
+        opCode = spv::OpCooperativeMatrixMulAddNV;
+        break;
+
     default:
         return 0;
     }
@@ -7486,6 +7612,9 @@
         glslang::TType vectorType(glslangType, 0);
         for (int col = 0; col < glslangType.getMatrixCols(); ++col)
             spvConsts.push_back(createSpvConstantFromConstUnionArray(vectorType, consts, nextConst, false));
+    } else if (glslangType.isCoopMat()) {
+        glslang::TType componentType(glslangType.getBasicType());
+        spvConsts.push_back(createSpvConstantFromConstUnionArray(componentType, consts, nextConst, false));
     } else if (glslangType.isStruct()) {
         glslang::TVector<glslang::TTypeLoc>::const_iterator iter;
         for (iter = glslangType.getStruct()->begin(); iter != glslangType.getStruct()->end(); ++iter)
diff --git a/SPIRV/SpvBuilder.cpp b/SPIRV/SpvBuilder.cpp
old mode 100755
new mode 100644
index 8355d83..138c41c
--- a/SPIRV/SpvBuilder.cpp
+++ b/SPIRV/SpvBuilder.cpp
@@ -388,6 +388,33 @@
     return type->getResultId();
 }
 
+Id Builder::makeCooperativeMatrixType(Id component, Id scope, Id rows, Id cols)
+{
+    // try to find it
+    Instruction* type;
+    for (int t = 0; t < (int)groupedTypes[OpTypeCooperativeMatrixNV].size(); ++t) {
+        type = groupedTypes[OpTypeCooperativeMatrixNV][t];
+        if (type->getIdOperand(0) == component &&
+            type->getIdOperand(1) == scope &&
+            type->getIdOperand(2) == rows &&
+            type->getIdOperand(3) == cols)
+            return type->getResultId();
+    }
+
+    // not found, make it
+    type = new Instruction(getUniqueId(), NoType, OpTypeCooperativeMatrixNV);
+    type->addIdOperand(component);
+    type->addIdOperand(scope);
+    type->addIdOperand(rows);
+    type->addIdOperand(cols);
+    groupedTypes[OpTypeCooperativeMatrixNV].push_back(type);
+    constantsTypesGlobals.push_back(std::unique_ptr<Instruction>(type));
+    module.mapInstruction(type);
+
+    return type->getResultId();
+}
+
+
 // TODO: performance: track arrays per stride
 // If a stride is supplied (non-zero) make an array.
 // If no stride (0), reuse previous array types.
@@ -623,6 +650,9 @@
     }
     case OpTypeStruct:
         return instr->getNumOperands();
+    case OpTypeCooperativeMatrixNV:
+        // has only one constituent when used with OpCompositeConstruct.
+        return 1;
     default:
         assert(0);
         return 1;
@@ -669,6 +699,7 @@
     case OpTypeMatrix:
     case OpTypeArray:
     case OpTypeRuntimeArray:
+    case OpTypeCooperativeMatrixNV:
         return instr->getIdOperand(0);
     case OpTypePointer:
         return instr->getIdOperand(1);
@@ -981,15 +1012,14 @@
         return NoResult;
 }
 
-Id Builder::findCompositeConstant(Op typeClass, const std::vector<Id>& comps)
+Id Builder::findCompositeConstant(Op typeClass, Id typeId, const std::vector<Id>& comps)
 {
     Instruction* constant = 0;
     bool found = false;
     for (int i = 0; i < (int)groupedConstants[typeClass].size(); ++i) {
         constant = groupedConstants[typeClass][i];
 
-        // same shape?
-        if (constant->getNumOperands() != (int)comps.size())
+        if (constant->getTypeId() != typeId)
             continue;
 
         // same contents?
@@ -1044,8 +1074,9 @@
     case OpTypeVector:
     case OpTypeArray:
     case OpTypeMatrix:
+    case OpTypeCooperativeMatrixNV:
         if (! specConstant) {
-            Id existing = findCompositeConstant(typeClass, members);
+            Id existing = findCompositeConstant(typeClass, typeId, members);
             if (existing)
                 return existing;
         }
@@ -1408,6 +1439,23 @@
     return length->getResultId();
 }
 
+Id Builder::createCooperativeMatrixLength(Id type)
+{
+    spv::Id intType = makeUintType(32);
+
+    // Generate code for spec constants if in spec constant operation
+    // generation mode.
+    if (generatingOpCodeForSpecConst) {
+        return createSpecConstantOp(OpCooperativeMatrixLengthNV, intType, std::vector<Id>(1, type), std::vector<Id>());
+    }
+
+    Instruction* length = new Instruction(getUniqueId(), intType, OpCooperativeMatrixLengthNV);
+    length->addIdOperand(type);
+    buildPoint->addInstruction(std::unique_ptr<Instruction>(length));
+
+    return length->getResultId();
+}
+
 Id Builder::createCompositeExtract(Id composite, Id typeId, unsigned index)
 {
     // Generate code for spec constants if in spec constant operation
@@ -2598,9 +2646,9 @@
                 }
             }
 
-            if (constant)
+            if (constant) {
                 id = createCompositeExtract(accessChain.base, swizzleBase, indexes);
-            else {
+            } else {
                 // make a new function variable for this r-value
                 Id lValue = createVariable(StorageClassFunction, getTypeId(accessChain.base), "indexable");
 
diff --git a/SPIRV/SpvBuilder.h b/SPIRV/SpvBuilder.h
old mode 100755
new mode 100644
index edeac1b..52f7fba
--- a/SPIRV/SpvBuilder.h
+++ b/SPIRV/SpvBuilder.h
@@ -155,6 +155,7 @@
     Id makeImageType(Id sampledType, Dim, bool depth, bool arrayed, bool ms, unsigned sampled, ImageFormat format);
     Id makeSamplerType();
     Id makeSampledImageType(Id imageType);
+    Id makeCooperativeMatrixType(Id component, Id scope, Id rows, Id cols);
 
     // accelerationStructureNV type
     Id makeAccelerationStructureNVType();
@@ -178,6 +179,7 @@
     bool isScalar(Id resultId)       const { return isScalarType(getTypeId(resultId)); }
     bool isVector(Id resultId)       const { return isVectorType(getTypeId(resultId)); }
     bool isMatrix(Id resultId)       const { return isMatrixType(getTypeId(resultId)); }
+    bool isCooperativeMatrix(Id resultId)const { return isCooperativeMatrixType(getTypeId(resultId)); }
     bool isAggregate(Id resultId)    const { return isAggregateType(getTypeId(resultId)); }
     bool isSampledImage(Id resultId) const { return isSampledImageType(getTypeId(resultId)); }
 
@@ -191,7 +193,8 @@
     bool isMatrixType(Id typeId)       const { return getTypeClass(typeId) == OpTypeMatrix; }
     bool isStructType(Id typeId)       const { return getTypeClass(typeId) == OpTypeStruct; }
     bool isArrayType(Id typeId)        const { return getTypeClass(typeId) == OpTypeArray; }
-    bool isAggregateType(Id typeId)    const { return isArrayType(typeId) || isStructType(typeId); }
+    bool isCooperativeMatrixType(Id typeId)const { return getTypeClass(typeId) == OpTypeCooperativeMatrixNV; }
+    bool isAggregateType(Id typeId)    const { return isArrayType(typeId) || isStructType(typeId) || isCooperativeMatrixType(typeId); }
     bool isImageType(Id typeId)        const { return getTypeClass(typeId) == OpTypeImage; }
     bool isSamplerType(Id typeId)      const { return getTypeClass(typeId) == OpTypeSampler; }
     bool isSampledImageType(Id typeId) const { return getTypeClass(typeId) == OpTypeSampledImage; }
@@ -314,6 +317,9 @@
     // Create an OpArrayLength instruction
     Id createArrayLength(Id base, unsigned int member);
 
+    // Create an OpCooperativeMatrixLengthNV instruction
+    Id createCooperativeMatrixLength(Id type);
+
     // Create an OpCompositeExtract instruction
     Id createCompositeExtract(Id composite, Id typeId, unsigned index);
     Id createCompositeExtract(Id composite, Id typeId, const std::vector<unsigned>& indexes);
@@ -670,7 +676,7 @@
     Id makeInt64Constant(Id typeId, unsigned long long value, bool specConstant);
     Id findScalarConstant(Op typeClass, Op opcode, Id typeId, unsigned value);
     Id findScalarConstant(Op typeClass, Op opcode, Id typeId, unsigned v1, unsigned v2);
-    Id findCompositeConstant(Op typeClass, const std::vector<Id>& comps);
+    Id findCompositeConstant(Op typeClass, Id typeId, const std::vector<Id>& comps);
     Id findStructConstant(Id typeId, const std::vector<Id>& comps);
     Id collapseAccessChain();
     void remapDynamicSwizzle();
diff --git a/SPIRV/doc.cpp b/SPIRV/doc.cpp
index bd6df10..76e1df8 100644
--- a/SPIRV/doc.cpp
+++ b/SPIRV/doc.cpp
@@ -930,6 +930,10 @@
 
     case CapabilityPhysicalStorageBufferAddressesEXT:   return "CapabilityPhysicalStorageBufferAddressesEXT";
 
+    case CapabilityVariablePointers:                    return "CapabilityVariablePointers";
+
+    case CapabilityCooperativeMatrixNV:     return "CapabilityCooperativeMatrixNV";
+
     default: return "Bad";
     }
 }
@@ -1333,6 +1337,12 @@
     case OpWritePackedPrimitiveIndices4x8NV: return "OpWritePackedPrimitiveIndices4x8NV";
 #endif
 
+    case OpTypeCooperativeMatrixNV:         return "OpTypeCooperativeMatrixNV";
+    case OpCooperativeMatrixLoadNV:         return "OpCooperativeMatrixLoadNV";
+    case OpCooperativeMatrixStoreNV:        return "OpCooperativeMatrixStoreNV";
+    case OpCooperativeMatrixMulAddNV:       return "OpCooperativeMatrixMulAddNV";
+    case OpCooperativeMatrixLengthNV:       return "OpCooperativeMatrixLengthNV";
+
     default:
         return "Bad";
     }
@@ -1444,6 +1454,8 @@
     InstructionDesc[OpGroupWaitEvents].setResultAndType(false, false);
     InstructionDesc[OpAtomicFlagClear].setResultAndType(false, false);
     InstructionDesc[OpModuleProcessed].setResultAndType(false, false);
+    InstructionDesc[OpTypeCooperativeMatrixNV].setResultAndType(true, false);
+    InstructionDesc[OpCooperativeMatrixStoreNV].setResultAndType(false, false);
 
     // Specific additional context-dependent operands
 
@@ -2714,6 +2726,32 @@
     InstructionDesc[OpWritePackedPrimitiveIndices4x8NV].operands.push(OperandId, "'Index Offset'");
     InstructionDesc[OpWritePackedPrimitiveIndices4x8NV].operands.push(OperandId, "'Packed Indices'");
 #endif
+
+    InstructionDesc[OpTypeCooperativeMatrixNV].operands.push(OperandId, "'Component Type'");
+    InstructionDesc[OpTypeCooperativeMatrixNV].operands.push(OperandId, "'Scope'");
+    InstructionDesc[OpTypeCooperativeMatrixNV].operands.push(OperandId, "'Rows'");
+    InstructionDesc[OpTypeCooperativeMatrixNV].operands.push(OperandId, "'Columns'");
+
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandId, "'Pointer'");
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandId, "'Stride'");
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandId, "'Column Major'");
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandMemoryAccess, "'Memory Access'");
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandLiteralNumber, "", true);
+    InstructionDesc[OpCooperativeMatrixLoadNV].operands.push(OperandId, "", true);
+
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandId, "'Pointer'");
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandId, "'Object'");
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandId, "'Stride'");
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandId, "'Column Major'");
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandMemoryAccess, "'Memory Access'");
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandLiteralNumber, "", true);
+    InstructionDesc[OpCooperativeMatrixStoreNV].operands.push(OperandId, "", true);
+
+    InstructionDesc[OpCooperativeMatrixMulAddNV].operands.push(OperandId, "'A'");
+    InstructionDesc[OpCooperativeMatrixMulAddNV].operands.push(OperandId, "'B'");
+    InstructionDesc[OpCooperativeMatrixMulAddNV].operands.push(OperandId, "'C'");
+
+    InstructionDesc[OpCooperativeMatrixLengthNV].operands.push(OperandId, "'Type'");
 }
 
 }; // end spv namespace
diff --git a/SPIRV/spirv.hpp b/SPIRV/spirv.hpp
index 44d0616..523f7bb 100644
--- a/SPIRV/spirv.hpp
+++ b/SPIRV/spirv.hpp
@@ -811,6 +811,7 @@
     CapabilityVulkanMemoryModelDeviceScopeKHR = 5346,
     CapabilityPhysicalStorageBufferAddressesEXT = 5347,
     CapabilityComputeDerivativeGroupLinearNV = 5350,
+    CapabilityCooperativeMatrixNV = 5357,

     CapabilitySubgroupShuffleINTEL = 5568,
     CapabilitySubgroupBufferBlockIOINTEL = 5569,
     CapabilitySubgroupImageBlockIOINTEL = 5570,
@@ -1183,6 +1184,11 @@
     OpTraceNV = 5337,
     OpTypeAccelerationStructureNV = 5341,
     OpExecuteCallableNV = 5344,
+    OpTypeCooperativeMatrixNV = 5358,

+    OpCooperativeMatrixLoadNV = 5359,

+    OpCooperativeMatrixStoreNV = 5360,

+    OpCooperativeMatrixMulAddNV = 5361,

+    OpCooperativeMatrixLengthNV = 5362,

     OpSubgroupShuffleINTEL = 5571,
     OpSubgroupShuffleDownINTEL = 5572,
     OpSubgroupShuffleUpINTEL = 5573,
diff --git a/SPIRV/spvIR.h b/SPIRV/spvIR.h
index 8c2d0b6..b3cd0b0 100755
--- a/SPIRV/spvIR.h
+++ b/SPIRV/spvIR.h
@@ -83,6 +83,7 @@
 struct IdImmediate {
     bool isId;      // true if word is an Id, false if word is an immediate
     unsigned word;
+    IdImmediate(bool i, unsigned w) : isId(i), word(w) {}
 };
 
 //