Suyu/dynarmic
1
0
Fork 0
mirror of https://git.suyu.dev/suyu/dynarmic.git synced 2025-12-30 19:24:42 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

reg_alloc: New register allocation interface

Browse source
This commit is contained in:
MerryMage 2017-02-24 21:09:12 +00:00
parent 13ac0c234e
commit f883bad2cc
2 changed files with 127 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

45
src/backend_x64/reg_alloc.cpp
View file

@ -22,6 +22,8 @@ static u64 ImmediateToU64(const IR::Value& imm) {
return u64(imm.GetU1());
case IR::Type::U8:
return u64(imm.GetU8());
case IR::Type::U16:
return u64(imm.GetU16());
case IR::Type::U32:
return u64(imm.GetU32());
case IR::Type::U64:
@ -80,6 +82,49 @@ static void EmitExchange(BlockOfCode* code, HostLoc a, HostLoc b) {
}
}
u8 Argument::GetImmediateU8() const {
u64 imm = ImmediateToU64(value);
ASSERT(imm < 0x100);
return u8(imm);
}
u16 Argument::GetImmediateU16() const {
u64 imm = ImmediateToU64(value);
ASSERT(imm < 0x10000);
return u16(imm);
}
u32 Argument::GetImmediateU32() const {
u64 imm = ImmediateToU64(value);
ASSERT(imm < 0x100000000);
return u32(imm);
}
u64 Argument::GetImmediateU64() const {
return ImmediateToU64(value);
}
bool Argument::IsInGpr() const {
return HostLocIsGPR(*reg_alloc.ValueLocation(value.GetInst()));
}
bool Argument::IsInXmm() const {
return HostLocIsXMM(*reg_alloc.ValueLocation(value.GetInst()));
}
bool Argument::IsInMemory() const {
return HostLocIsSpill(*reg_alloc.ValueLocation(value.GetInst()));
}
std::array<Argument, 3> RegAlloc::GetArgumentInfo(IR::Inst* inst) {
std::array<Argument, 3> ret = { Argument{*this}, Argument{*this}, Argument{*this}};
for (size_t i = 0; i < inst->NumArgs(); i++) {
IR::Value arg = inst->GetArg(i);
ret[i].value = arg;
}
return ret;
}
void RegAlloc::RegisterAddDef(IR::Inst* def_inst, const IR::Value& use_inst) {
DEBUG_ASSERT_MSG(!ValueLocation(def_inst), "def_inst has already been defined");