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Fix redeclaration of variable in execute w/ S

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This commit is contained in:
Themis Demetriades 2024-06-03 20:40:05 +01:00
parent 20557a14eb
commit 5afcb8ef63
1 changed files with 12 additions and 12 deletions
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24
src/execute.c
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@ -92,30 +92,30 @@ static void executeDPImmediate(Machine *state, a64inst_instruction *inst) {
case a64inst_DPI_ARITHM:;
// If shift flag is enabled, logical left shift by the number of bits specified by the architecture
dword immediate = inst->data.DPImmediateData.processOpData.arithmData.immediate;
dword arithmImm = inst->data.DPImmediateData.processOpData.arithmData.immediate;
dword srcVal = state->registers[inst->data.DPImmediateData.processOpData.arithmData.src];
if (inst->data.DPImmediateData.processOpData.arithmData.shiftImmediate) {
immediate = truncateValue(immediate << DPI_ARITHM_SHIFT, regType);
arithmImm = truncateValue(arithmImm << DPI_ARITHM_SHIFT, regType);
}
switch(inst->data.DPImmediateData.processOp) {
dword result;
case(a64inst_ADDS):
result = srcVal + immediate;
result = srcVal + arithmImm;
writeRegister(state, dest, regType, result);
updateCondNZ(state, result, regType);
state->conditionCodes.Overflow = max(srcVal, immediate) > result;
state->conditionCodes.Overflow = max(srcVal, arithmImm) > result;
state->conditionCodes.Carry = state->conditionCodes.Overflow;
break;
case(a64inst_ADD):
writeRegister(state, dest, regType, srcVal + immediate);
writeRegister(state, dest, regType, srcVal + arithmImm);
break;
case(a64inst_SUBS):
result = srcVal - immediate;
result = srcVal - arithmImm;
writeRegister(state, dest, regType, result);
updateCondNZ(state, result, regType);
@ -124,7 +124,7 @@ static void executeDPImmediate(Machine *state, a64inst_instruction *inst) {
break;
case(a64inst_SUB):
writeRegister(state, dest, regType, srcVal - immediate);
writeRegister(state, dest, regType, srcVal - arithmImm);
break;
// Unknown opcode detected!
@ -137,23 +137,23 @@ static void executeDPImmediate(Machine *state, a64inst_instruction *inst) {
// Execute a wide move data processing instruction
case a64inst_DPI_WIDEMOV:;
uint8_t shiftScalar = inst->data.DPImmediateData.processOpData.wideMovData.shiftScalar;
uint16_t immediate = inst->data.DPImmediateData.processOpData.wideMovData.immediate;
uint16_t wideMovImm = inst->data.DPImmediateData.processOpData.wideMovData.immediate;
// NOTE: Not checking that shiftScalar has valid value for 32bit registers. Possibly add explicit error.
immediate = truncateValue(shiftScalar * DPI_WIDEMOV_SHIFT, regType);
wideMovImm = truncateValue(shiftScalar * DPI_WIDEMOV_SHIFT, regType);
switch(inst->data.DPImmediateData.processOp) {
case(a64inst_MOVN):
writeRegister(state, dest, regType, ~immediate);
writeRegister(state, dest, regType, ~wideMovImm);
break;
case(a64inst_MOVZ):
writeRegister(state, dest, regType, immediate);
writeRegister(state, dest, regType, wideMovImm);
break;
case(a64inst_MOVK):;
dword result = readRegister(state, dest, regType);
result = (result & ~(((1 << DPI_WIDEMOV_SHIFT) - 1) << shiftScalar)) | immediate;
result = (result & ~(((1 << DPI_WIDEMOV_SHIFT) - 1) << shiftScalar)) | wideMovImm;
writeRegister(state, dest, regType, result);
break;