+ if (instr->Bit(31) == 0) {
+ if ((instr->Bit(24) == 0) && (instr->Bit(21) == 1)) {
+ VisitUnallocated(instr);
+ return;
+ }
+
+ if (instr->Bit(23) == 0) {
+ if (instr->Bits(20, 16) == 0) {
+ if (instr->Bit(24) == 0) {
+ VisitNEONLoadStoreMultiStruct(instr);
+ } else {
+ VisitNEONLoadStoreSingleStruct(instr);
+ }
+ } else {
+ VisitUnallocated(instr);
+ }
+ } else {
+ if (instr->Bit(24) == 0) {
+ VisitNEONLoadStoreMultiStructPostIndex(instr);
+ } else {
+ VisitNEONLoadStoreSingleStructPostIndex(instr);
+ }
+ }
+ } else {
+ VisitUnallocated(instr);
+ }
+}
+
+
+void Decoder::DecodeNEONVectorDataProcessing(const Instruction* instr) {
+ VIXL_ASSERT(instr->Bits(28, 25) == 0x7);
+ if (instr->Bit(31) == 0) {
+ if (instr->Bit(24) == 0) {
+ if (instr->Bit(21) == 0) {
+ if (instr->Bit(15) == 0) {
+ if (instr->Bit(10) == 0) {
+ if (instr->Bit(29) == 0) {
+ if (instr->Bit(11) == 0) {
+ VisitNEONTable(instr);
+ } else {
+ VisitNEONPerm(instr);
+ }
+ } else {
+ VisitNEONExtract(instr);
+ }
+ } else {
+ if (instr->Bits(23, 22) == 0) {
+ VisitNEONCopy(instr);
+ } else {
+ VisitUnallocated(instr);
+ }
+ }
+ } else {
+ VisitUnallocated(instr);
+ }
+ } else {
+ if (instr->Bit(10) == 0) {
+ if (instr->Bit(11) == 0) {
+ VisitNEON3Different(instr);
+ } else {
+ if (instr->Bits(18, 17) == 0) {
+ if (instr->Bit(20) == 0) {
+ if (instr->Bit(19) == 0) {
+ VisitNEON2RegMisc(instr);
+ } else {
+ if (instr->Bits(30, 29) == 0x2) {
+ VisitCryptoAES(instr);
+ } else {
+ VisitUnallocated(instr);
+ }
+ }
+ } else {
+ if (instr->Bit(19) == 0) {
+ VisitNEONAcrossLanes(instr);
+ } else {
+ VisitUnallocated(instr);
+ }
+ }
+ } else {
+ VisitUnallocated(instr);
+ }
+ }
+ } else {
+ VisitNEON3Same(instr);
+ }
+ }
+ } else {
+ if (instr->Bit(10) == 0) {
+ VisitNEONByIndexedElement(instr);
+ } else {
+ if (instr->Bit(23) == 0) {
+ if (instr->Bits(22, 19) == 0) {
+ VisitNEONModifiedImmediate(instr);
+ } else {
+ VisitNEONShiftImmediate(instr);
+ }
+ } else {
+ VisitUnallocated(instr);
+ }
+ }
+ }
+ } else {
+ VisitUnallocated(instr);
+ }