Fix nanomips decoding of jalrc (#2672)

arch/Mips/MipsDisassembler.c

@@ -1498,7 +1498,9 @@ static DecodeStatus getInstruction(MCInst *Instr, uint64_t *Size, const uint8_t
 		Result = readInstruction16(Bytes, BytesLen, Address, Size,
 						&Insn, IsBigEndian);
 		if (Result != MCDisassembler_Fail) {
-			Result = decodeInstruction_2(DecoderTableNanoMips_Conflict_Space16,
+			// Calling the auto-generated decoder function for NanoMips
+			// 16-bit instructions.
+			Result = decodeInstruction_2(DecoderTableNanoMips16,
 						     Instr, Insn, Address,
 						     NULL);
 			if (Result != MCDisassembler_Fail) {
@@ -1506,9 +1508,7 @@ static DecodeStatus getInstruction(MCInst *Instr, uint64_t *Size, const uint8_t
 				return Result;
 			}
 
-			// Calling the auto-generated decoder function for NanoMips
-			// 16-bit instructions.
-			Result = decodeInstruction_2(DecoderTableNanoMips16,
+			Result = decodeInstruction_2(DecoderTableNanoMips_Conflict_Space16,
 						     Instr, Insn, Address,
 						     NULL);
 			if (Result != MCDisassembler_Fail) {

tests/issues/issues.yaml

@@ -6092,4 +6092,12 @@ test_cases:
       - asm_text: "bgezc  $v1, 4"
       - asm_text: "bltzc  $v1, 8"
 
-
+  - input:
+      name: "Test nanomips jalrc rd rt is not beqc rd rt 0"
+      bytes: [ 0xd9, 0x90 ]
+      arch: "CS_ARCH_MIPS"
+      options: [ CS_MODE_NANOMIPS, CS_MODE_BIG_ENDIAN ]
+      address: 0x0
+    expected:
+      insns:
+      - asm_text: "jalrc $ra, $t0"