dynarmic/src/backend/x64/hostloc.cpp

34 lines
978 B
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* SPDX-License-Identifier: 0BSD
*/
#include <xbyak.h>
#include "backend/x64/abi.h"
#include "backend/x64/hostloc.h"
#include "backend/x64/stack_layout.h"
namespace Dynarmic::Backend::X64 {
Xbyak::Reg64 HostLocToReg64(HostLoc loc) {
ASSERT(HostLocIsGPR(loc));
return Xbyak::Reg64(static_cast<int>(loc));
}
Xbyak::Xmm HostLocToXmm(HostLoc loc) {
ASSERT(HostLocIsXMM(loc));
return Xbyak::Xmm(static_cast<int>(loc) - static_cast<int>(HostLoc::XMM0));
}
Xbyak::Address SpillToOpArg(HostLoc loc) {
ASSERT(HostLocIsSpill(loc));
size_t i = static_cast<size_t>(loc) - static_cast<size_t>(HostLoc::FirstSpill);
ASSERT_MSG(i < SpillCount, "Spill index greater than number of available spill locations");
using namespace Xbyak::util;
return xword[rsp + ABI_SHADOW_SPACE + offsetof(StackLayout, spill) + i * sizeof(u64) * 2];
}
} // namespace Dynarmic::Backend::X64