SwitchEmu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2026-03-10 07:36:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

VFPv4: Implement VFMA, VFMS

Browse Source
This commit is contained in:
MerryMage
2020-05-10 14:18:06 +01:00
parent 8e97b10acb
commit 010fab9a0e
4 changed files with 53 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/frontend/A32/translate/impl/vfp.cpp
View File

@@ -304,6 +304,46 @@ bool ArmTranslatorVisitor::vfp_VFNMA(Cond cond, bool D, size_t Vn, size_t Vd, bo
});
}
// VFMA<c>.F64 <Dd>, <Dn>, <Dm>
// VFMA<c>.F32 <Sd>, <Sn>, <Sm>
bool ArmTranslatorVisitor::vfp_VFMA(Cond cond, bool D, size_t Vn, size_t Vd, bool sz, bool N, bool M, size_t Vm) {
if (!ConditionPassed(cond)) {
return true;
}
const auto d = ToExtReg(sz, Vd, D);
const auto n = ToExtReg(sz, Vn, N);
const auto m = ToExtReg(sz, Vm, M);
return EmitVfpVectorOperation(sz, d, n, m, [this](ExtReg d, ExtReg n, ExtReg m) {
const auto reg_n = ir.GetExtendedRegister(n);
const auto reg_m = ir.GetExtendedRegister(m);
const auto reg_d = ir.GetExtendedRegister(d);
const auto result = ir.FPMulAdd(reg_d, reg_n, reg_m, true);
ir.SetExtendedRegister(d, result);
});
}
// VFMS<c>.F64 <Dd>, <Dn>, <Dm>
// VFMS<c>.F32 <Sd>, <Sn>, <Sm>
bool ArmTranslatorVisitor::vfp_VFMS(Cond cond, bool D, size_t Vn, size_t Vd, bool sz, bool N, bool M, size_t Vm) {
if (!ConditionPassed(cond)) {
return true;
}
const auto d = ToExtReg(sz, Vd, D);
const auto n = ToExtReg(sz, Vn, N);
const auto m = ToExtReg(sz, Vm, M);
return EmitVfpVectorOperation(sz, d, n, m, [this](ExtReg d, ExtReg n, ExtReg m) {
const auto reg_n = ir.GetExtendedRegister(n);
const auto reg_m = ir.GetExtendedRegister(m);
const auto reg_d = ir.GetExtendedRegister(d);
const auto result = ir.FPMulAdd(reg_d, ir.FPNeg(reg_n), reg_m, true);
ir.SetExtendedRegister(d, result);
});
}
// VMOV<c>.32 <Dd[0]>, <Rt>
bool ArmTranslatorVisitor::vfp_VMOV_u32_f64(Cond cond, size_t Vd, Reg t, bool D) {
if (t == Reg::PC) {