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Implement VMRS and VMSR

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This commit is contained in:
MerryMage
2016-08-26 22:47:54 +01:00
parent 814348371e
commit dca3b2f079
9 changed files with 122 additions and 2 deletions
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44
src/backend_x64/emit_x64.cpp
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@@ -327,6 +327,50 @@ void EmitX64::EmitCallSupervisor(IR::Block&, IR::Inst* inst) {
code->SwitchMxcsrOnEntry();
}
static u32 GetFpscrImpl(JitState* jit_state) {
return jit_state->Fpscr();
}
void EmitX64::EmitGetFpscr(IR::Block&, IR::Inst* inst) {
reg_alloc.HostCall(inst);
code->mov(code->ABI_PARAM1, code->r15);
code->SwitchMxcsrOnExit();
code->CallFunction(reinterpret_cast<void*>(&GetFpscrImpl));
code->SwitchMxcsrOnEntry();
}
static void SetFpscrImpl(u32 value, JitState* jit_state) {
jit_state->SetFpscr(value);
}
void EmitX64::EmitSetFpscr(IR::Block&, IR::Inst* inst) {
auto a = inst->GetArg(0);
reg_alloc.HostCall(nullptr, a);
code->mov(code->ABI_PARAM2, code->r15);
code->SwitchMxcsrOnExit();
code->CallFunction(reinterpret_cast<void*>(&SetFpscrImpl));
code->SwitchMxcsrOnEntry();
}
void EmitX64::EmitGetFpscrNZCV(IR::Block&, IR::Inst* inst) {
using namespace Xbyak::util;
Xbyak::Reg32 result = reg_alloc.DefGpr(inst).cvt32();
code->mov(result, dword[r15 + offsetof(JitState, guest_FPSCR_nzcv)]);
}
void EmitX64::EmitSetFpscrNZCV(IR::Block&, IR::Inst* inst) {
using namespace Xbyak::util;
Xbyak::Reg32 value = reg_alloc.UseGpr(inst->GetArg(0)).cvt32();
code->mov(dword[r15 + offsetof(JitState, guest_FPSCR_nzcv)], value);
}
void EmitX64::EmitPushRSB(IR::Block&, IR::Inst* inst) {
using namespace Xbyak::util;