Silence unhandled case warns (#823)

src/shader_recompiler/frontend/decode.cpp

@@ -162,6 +162,8 @@ uint32_t GcnDecodeContext::getEncodingLength(InstEncoding encoding) {
     case InstEncoding::EXP:
         instLength = sizeof(uint64_t);
         break;
+    default:
+        break;
     }
     return instLength;
 }
@@ -217,6 +219,8 @@ uint32_t GcnDecodeContext::getOpMapOffset(InstEncoding encoding) {
     case InstEncoding::VOP2:
         offset = (uint32_t)OpcodeMap::OP_MAP_VOP2;
         break;
+    default:
+        break;
     }
     return offset;
 }
@@ -311,6 +315,8 @@ void GcnDecodeContext::repairOperandType() {
     case Opcode::IMAGE_GATHER4_C:
         m_instruction.src[0].type = ScalarType::Any;
         break;
+    default:
+        break;
     }
 }
 
@@ -363,6 +369,8 @@ void GcnDecodeContext::decodeInstruction32(InstEncoding encoding, GcnCodeSlice&
     case InstEncoding::VINTRP:
         decodeInstructionVINTRP(hexInstruction);
         break;
+    default:
+        break;
     }
 }
 
@@ -387,6 +395,8 @@ void GcnDecodeContext::decodeInstruction64(InstEncoding encoding, GcnCodeSlice&
     case InstEncoding::EXP:
         decodeInstructionEXP(hexInstruction);
         break;
+    default:
+        break;
     }
 }
 
@@ -995,6 +1005,8 @@ u32 GcnDecodeContext::getMimgModifier(Opcode opcode) {
         flags.set(MimgModifier::Pcf, MimgModifier::CoarseDerivative, MimgModifier::LodClamp,
                   MimgModifier::Offset);
         break;
+    default:
+        break;
     }
 
     return flags.raw();

src/shader_recompiler/frontend/format.cpp

@@ -3718,6 +3718,8 @@ InstFormat InstructionFormat(InstEncoding encoding, uint32_t opcode) {
         return InstructionFormatSOP2[opcode];
     case InstEncoding::VOP2:
         return InstructionFormatVOP2[opcode];
+    default:
+        return {};
     }
     UNREACHABLE();
     return {};

src/shader_recompiler/ir/ir_emitter.cpp

@@ -1364,6 +1364,8 @@ U16U32U64 IREmitter::UConvert(size_t result_bitsize, const U16U32U64& value) {
         switch (value.Type()) {
         case Type::U16:
             return Inst<U32>(Opcode::ConvertU32U16, value);
+        default:
+            break;
         }
     default:
         break;

src/shader_recompiler/ir/value.cpp

@@ -81,6 +81,7 @@ bool Value::operator==(const Value& other) const {
     case Type::F64x2:
     case Type::F64x3:
     case Type::F64x4:
+    default:
         break;
     }
     UNREACHABLE_MSG("Invalid type {}", type);