Suyu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2026-01-01 20:24:36 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

thumb32: Implement ASR (register)

Browse source
This commit is contained in:
Lioncash 2021-02-23 04:43:11 -05:00
parent e06d4bcbb2
commit abf3548b2a
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

@ -11,6 +11,19 @@ static IR::U32 Rotate(A32::IREmitter& ir, Reg m, SignExtendRotation rotate) {
return ir.RotateRight(ir.GetRegister(m), ir.Imm8(rotate_by), ir.Imm1(0)).result;
}
bool ThumbTranslatorVisitor::thumb32_ASR_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.ArithmeticShiftRight(ir.GetRegister(m), shift_s, apsr_c);
ir.SetRegister(d, result_carry.result);
return true;
}
bool ThumbTranslatorVisitor::thumb32_LSL_reg(Reg m, Reg d, Reg s) {
if (d == Reg::PC || m == Reg::PC || s == Reg::PC) {
return UnpredictableInstruction();