dynarmic/src/backend_x64/hostloc.cpp
2016-08-25 16:18:17 +01:00

35 lines
1.1 KiB
C++

/* This file is part of the dynarmic project.
* Copyright (c) 2016 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include "backend_x64/hostloc.h"
namespace Dynarmic {
namespace BackendX64 {
Xbyak::Reg64 HostLocToReg64(HostLoc loc) {
DEBUG_ASSERT(HostLocIsGPR(loc));
DEBUG_ASSERT(loc != HostLoc::RSP);
DEBUG_ASSERT(loc != HostLoc::R15);
return Xbyak::Reg64(static_cast<int>(loc));
}
Xbyak::Xmm HostLocToXmm(HostLoc loc) {
DEBUG_ASSERT(HostLocIsXMM(loc));
return Xbyak::Xmm(static_cast<int>(loc) - static_cast<int>(HostLoc::XMM0));
}
Xbyak::Address SpillToOpArg(HostLoc loc) {
using namespace Xbyak::util;
static_assert(std::is_same<decltype(JitState{nullptr}.Spill[0]), u64&>::value, "Spill must be u64");
DEBUG_ASSERT(HostLocIsSpill(loc));
size_t i = static_cast<size_t>(loc) - static_cast<size_t>(HostLoc::FirstSpill);
return qword[r15 + offsetof(JitState, Spill) + i * sizeof(u64)];
}
} // namespace BackendX64
} // namespace Dynarmic