From b8f3ded0af912a46caf19a0798df61ced4e51647 Mon Sep 17 00:00:00 2001
From: GDBWNV <93523315+GDBWNV@users.noreply.github.com>
Date: Wed, 12 Jun 2024 17:39:37 +0100
Subject: [PATCH] DPR multiplication

---
 src/parser.c | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/src/parser.c b/src/parser.c
index 2d71001..9f3cc21 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -174,6 +174,49 @@ void classifyOpcode(char* opcode, a64inst_instruction *instr, char *operandList[
     } else {
         if(classifyDPInst(operandList)){
             instr->type = a64inst_DPREGISTER;
+            a64inst_DPRegisterData data = instr->data.DPRegisterData;
+            char t = operandList[0][0];
+            if (t == 'w') {
+                data.regType=0;
+            }
+            else {
+                data.regType=1;
+            }
+            // multiply
+            // mul, mneg, madd, msub
+            if (opcode[0] == 'm') {
+                data.DPROpType = 1;
+                data.dest = getOperandNumber(operandList[0]);
+                data.src1 = getOperandNumber(operandList[1]);
+                data.src2 = getOperandNumber(operandList[2]);
+                switch (opcode[1]) {
+                    // madd
+                    case 'a':
+                        data.processOpData.multiplydata.summand = getOperandNumber(operandList[3]);
+                        data.processOpData.multiplydata.negProd = false;
+                        break;
+                    // mneg
+                    case 'n':
+                        data.processOpData.multiplydata.summand = ZERO_REGISTER;
+                        data.processOpData.multiplydata.negProd = true;
+                        break;
+                    // msub
+                    case 's':
+                        data.processOpData.multiplydata.summand = getOperandNumber(operandList[3]);
+                        data.processOpData.multiplydata.negProd = true;
+                        break;
+                    // mul
+                    default:
+                        data.processOpData.multiplydata.summand = ZERO_REGISTER;
+                        data.processOpData.multiplydata.negProd = false;
+                        break;
+                }
+            }
+            // arithmlogic
+            else {
+
+            }
+
         } else {
             instr->type = a64inst_DPIMMEDIATE;
             a64inst_DPImmediateData data = instr->data.DPImmediateData;