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backend/arm64/reg_alloc: Handle immediates in PrepareForCall

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Merry 2022-07-24 20:11:02 +01:00 committed by merry
parent 187f89951d
commit 70d9137859
2 changed files with 9 additions and 4 deletions
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11
src/dynarmic/backend/arm64/reg_alloc.cpp
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@ -167,7 +167,7 @@ void RegAlloc::PrepareForCall(IR::Inst* result, std::optional<Argument::copyable
const std::array<std::optional<Argument::copyable_reference>, 4> args{arg0, arg1, arg2, arg3};
for (int i = 0; i < 4; i++) {
if (args[i]) {
LoadCopyInto(args[i]->get().value.GetInst(), oaknut::XReg{i});
LoadCopyInto(args[i]->get().value, oaknut::XReg{i});
}
}
@ -416,8 +416,13 @@ int RegAlloc::FindFreeSpill() const {
return static_cast<int>(iter - spills.begin());
}
void RegAlloc::LoadCopyInto(IR::Inst* inst, oaknut::XReg reg) {
const auto current_location = ValueLocation(inst);
void RegAlloc::LoadCopyInto(const IR::Value& value, oaknut::XReg reg) {
if (value.IsImmediate()) {
code.MOV(reg, value.GetImmediateAsU64());
return;
}
const auto current_location = ValueLocation(value.GetInst());
ASSERT(current_location);
ASSERT(gprs[reg.index()].IsCompletelyEmpty());
switch (current_location->kind) {

2
src/dynarmic/backend/arm64/reg_alloc.h
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@ -261,7 +261,7 @@ private:
void SpillFpr(int index);
int FindFreeSpill() const;
void LoadCopyInto(IR::Inst* inst, oaknut::XReg reg);
void LoadCopyInto(const IR::Value& value, oaknut::XReg reg);
std::optional<HostLoc> ValueLocation(const IR::Inst* value) const;
HostLocInfo& ValueInfo(HostLoc host_loc);