Suyu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2025-12-28 18:25:12 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

thumb32: Implement LSR (register)

Browse source
This commit is contained in:
Lioncash 2021-02-23 04:40:23 -05:00
parent fdd379a36c
commit e06d4bcbb2
3 changed files with 15 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp
View file

@ -24,6 +24,19 @@ bool ThumbTranslatorVisitor::thumb32_LSL_reg(Reg m, Reg d, Reg s) {
return true;
}
bool ThumbTranslatorVisitor::thumb32_LSR_reg(Reg m, Reg d, Reg s) {
if (d == Reg::PC || m == Reg::PC || s == Reg::PC) {
return UnpredictableInstruction();
}
const auto shift_s = ir.LeastSignificantByte(ir.GetRegister(s));
const auto apsr_c = ir.GetCFlag();
const auto result_carry = ir.LogicalShiftRight(ir.GetRegister(m), shift_s, apsr_c);
ir.SetRegister(d, result_carry.result);
return true;
}
bool ThumbTranslatorVisitor::thumb32_SXTB(Reg d, SignExtendRotation rotate, Reg m) {
if (d == Reg::PC || m == Reg::PC) {
return UnpredictableInstruction();