mirror of
https://github.com/ZDoom/Raze.git
synced 2024-12-11 13:21:49 +00:00
319 lines
6.7 KiB
C++
319 lines
6.7 KiB
C++
|
|
#include "jitintern.h"
|
|
|
|
void JitCompiler::EmitTEST()
|
|
{
|
|
int i = (int)(ptrdiff_t)(pc - sfunc->Code);
|
|
cc.cmp(regD[A], BC);
|
|
cc.jne(GetLabel(i + 2));
|
|
}
|
|
|
|
void JitCompiler::EmitTESTN()
|
|
{
|
|
int bc = BC;
|
|
int i = (int)(ptrdiff_t)(pc - sfunc->Code);
|
|
cc.cmp(regD[A], -bc);
|
|
cc.jne(GetLabel(i + 2));
|
|
}
|
|
|
|
void JitCompiler::EmitJMP()
|
|
{
|
|
auto dest = pc + JMPOFS(pc) + 1;
|
|
int i = (int)(ptrdiff_t)(dest - sfunc->Code);
|
|
cc.jmp(GetLabel(i));
|
|
}
|
|
|
|
void JitCompiler::EmitIJMP()
|
|
{
|
|
int base = (int)(ptrdiff_t)(pc - sfunc->Code) + 1;
|
|
auto val = newTempInt32();
|
|
cc.mov(val, regD[A]);
|
|
|
|
for (int i = 0; i < (int)BCs; i++)
|
|
{
|
|
if (sfunc->Code[base +i].op == OP_JMP)
|
|
{
|
|
int target = base + i + JMPOFS(&sfunc->Code[base + i]) + 1;
|
|
|
|
cc.cmp(val, i);
|
|
cc.je(GetLabel(target));
|
|
}
|
|
}
|
|
pc += BCs;
|
|
|
|
// This should never happen. It means we are jumping to something that is not a JMP instruction!
|
|
EmitThrowException(X_OTHER);
|
|
}
|
|
|
|
static void ValidateCall(DObject *o, VMFunction *f, int b)
|
|
{
|
|
FScopeBarrier::ValidateCall(o->GetClass(), f, b - 1);
|
|
}
|
|
|
|
void JitCompiler::EmitSCOPE()
|
|
{
|
|
auto label = EmitThrowExceptionLabel(X_READ_NIL);
|
|
cc.test(regA[A], regA[A]);
|
|
cc.jz(label);
|
|
|
|
auto f = newTempIntPtr();
|
|
cc.mov(f, asmjit::imm_ptr(konsta[C].v));
|
|
|
|
typedef int(*FuncPtr)(DObject*, VMFunction*, int);
|
|
auto call = CreateCall<void, DObject*, VMFunction*, int>(ValidateCall);
|
|
call->setArg(0, regA[A]);
|
|
call->setArg(1, f);
|
|
call->setArg(2, asmjit::Imm(B));
|
|
}
|
|
|
|
static void SetString(VMReturn* ret, FString* str)
|
|
{
|
|
ret->SetString(*str);
|
|
}
|
|
|
|
void JitCompiler::EmitRET()
|
|
{
|
|
using namespace asmjit;
|
|
if (B == REGT_NIL)
|
|
{
|
|
EmitPopFrame();
|
|
X86Gp vReg = newTempInt32();
|
|
cc.mov(vReg, 0);
|
|
cc.ret(vReg);
|
|
}
|
|
else
|
|
{
|
|
int a = A;
|
|
int retnum = a & ~RET_FINAL;
|
|
|
|
X86Gp reg_retnum = newTempInt32();
|
|
X86Gp location = newTempIntPtr();
|
|
Label L_endif = cc.newLabel();
|
|
|
|
cc.mov(reg_retnum, retnum);
|
|
cc.cmp(reg_retnum, numret);
|
|
cc.jge(L_endif);
|
|
|
|
cc.mov(location, x86::ptr(ret, retnum * sizeof(VMReturn)));
|
|
|
|
int regtype = B;
|
|
int regnum = C;
|
|
switch (regtype & REGT_TYPE)
|
|
{
|
|
case REGT_INT:
|
|
if (regtype & REGT_KONST)
|
|
cc.mov(x86::dword_ptr(location), konstd[regnum]);
|
|
else
|
|
cc.mov(x86::dword_ptr(location), regD[regnum]);
|
|
break;
|
|
case REGT_FLOAT:
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
auto tmp = newTempInt64();
|
|
if (regtype & REGT_MULTIREG3)
|
|
{
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum]));
|
|
cc.mov(x86::qword_ptr(location), tmp);
|
|
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum + 1]));
|
|
cc.mov(x86::qword_ptr(location, 8), tmp);
|
|
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum + 2]));
|
|
cc.mov(x86::qword_ptr(location, 16), tmp);
|
|
}
|
|
else if (regtype & REGT_MULTIREG2)
|
|
{
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum]));
|
|
cc.mov(x86::qword_ptr(location), tmp);
|
|
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum + 1]));
|
|
cc.mov(x86::qword_ptr(location, 8), tmp);
|
|
}
|
|
else
|
|
{
|
|
cc.mov(tmp, (((int64_t *)konstf)[regnum]));
|
|
cc.mov(x86::qword_ptr(location), tmp);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (regtype & REGT_MULTIREG3)
|
|
{
|
|
cc.movsd(x86::qword_ptr(location), regF[regnum]);
|
|
cc.movsd(x86::qword_ptr(location, 8), regF[regnum + 1]);
|
|
cc.movsd(x86::qword_ptr(location, 16), regF[regnum + 2]);
|
|
}
|
|
else if (regtype & REGT_MULTIREG2)
|
|
{
|
|
cc.movsd(x86::qword_ptr(location), regF[regnum]);
|
|
cc.movsd(x86::qword_ptr(location, 8), regF[regnum + 1]);
|
|
}
|
|
else
|
|
{
|
|
cc.movsd(x86::qword_ptr(location), regF[regnum]);
|
|
}
|
|
}
|
|
break;
|
|
case REGT_STRING:
|
|
{
|
|
auto ptr = newTempIntPtr();
|
|
cc.mov(ptr, ret);
|
|
cc.add(ptr, (int)(retnum * sizeof(VMReturn)));
|
|
auto call = CreateCall<void, VMReturn*, FString*>(SetString);
|
|
call->setArg(0, ptr);
|
|
if (regtype & REGT_KONST) call->setArg(1, asmjit::imm_ptr(&konsts[regnum]));
|
|
else call->setArg(1, regS[regnum]);
|
|
break;
|
|
}
|
|
case REGT_POINTER:
|
|
if (cc.is64Bit())
|
|
{
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
auto ptr = newTempIntPtr();
|
|
cc.mov(ptr, asmjit::imm_ptr(konsta[regnum].v));
|
|
cc.mov(x86::qword_ptr(location), ptr);
|
|
}
|
|
else
|
|
{
|
|
cc.mov(x86::qword_ptr(location), regA[regnum]);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (regtype & REGT_KONST)
|
|
{
|
|
auto ptr = newTempIntPtr();
|
|
cc.mov(ptr, asmjit::imm_ptr(konsta[regnum].v));
|
|
cc.mov(x86::dword_ptr(location), ptr);
|
|
}
|
|
else
|
|
{
|
|
cc.mov(x86::dword_ptr(location), regA[regnum]);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (a & RET_FINAL)
|
|
{
|
|
cc.add(reg_retnum, 1);
|
|
EmitPopFrame();
|
|
cc.ret(reg_retnum);
|
|
}
|
|
|
|
cc.bind(L_endif);
|
|
if (a & RET_FINAL)
|
|
{
|
|
EmitPopFrame();
|
|
cc.ret(numret);
|
|
}
|
|
}
|
|
}
|
|
|
|
void JitCompiler::EmitRETI()
|
|
{
|
|
using namespace asmjit;
|
|
|
|
int a = A;
|
|
int retnum = a & ~RET_FINAL;
|
|
|
|
X86Gp reg_retnum = newTempInt32();
|
|
X86Gp location = newTempIntPtr();
|
|
Label L_endif = cc.newLabel();
|
|
|
|
cc.mov(reg_retnum, retnum);
|
|
cc.cmp(reg_retnum, numret);
|
|
cc.jge(L_endif);
|
|
|
|
cc.mov(location, x86::ptr(ret, retnum * sizeof(VMReturn)));
|
|
cc.mov(x86::dword_ptr(location), BCs);
|
|
|
|
if (a & RET_FINAL)
|
|
{
|
|
cc.add(reg_retnum, 1);
|
|
EmitPopFrame();
|
|
cc.ret(reg_retnum);
|
|
}
|
|
|
|
cc.bind(L_endif);
|
|
if (a & RET_FINAL)
|
|
{
|
|
EmitPopFrame();
|
|
cc.ret(numret);
|
|
}
|
|
}
|
|
|
|
void JitCompiler::EmitTHROW()
|
|
{
|
|
EmitThrowException(EVMAbortException(BC));
|
|
}
|
|
|
|
void JitCompiler::EmitBOUND()
|
|
{
|
|
auto cursor = cc.getCursor();
|
|
auto label = cc.newLabel();
|
|
cc.bind(label);
|
|
auto call = CreateCall<void, int, int>(&JitCompiler::ThrowArrayOutOfBounds);
|
|
call->setArg(0, regD[A]);
|
|
call->setArg(1, asmjit::imm(BC));
|
|
cc.setCursor(cursor);
|
|
|
|
cc.cmp(regD[A], (int)BC);
|
|
cc.jae(label);
|
|
|
|
JitLineInfo info;
|
|
info.Label = label;
|
|
info.LineNumber = sfunc->PCToLine(pc);
|
|
LineInfo.Push(info);
|
|
}
|
|
|
|
void JitCompiler::EmitBOUND_K()
|
|
{
|
|
auto cursor = cc.getCursor();
|
|
auto label = cc.newLabel();
|
|
cc.bind(label);
|
|
auto call = CreateCall<void, int, int>(&JitCompiler::ThrowArrayOutOfBounds);
|
|
call->setArg(0, regD[A]);
|
|
call->setArg(1, asmjit::imm(konstd[BC]));
|
|
cc.setCursor(cursor);
|
|
|
|
cc.cmp(regD[A], (int)konstd[BC]);
|
|
cc.jae(label);
|
|
|
|
JitLineInfo info;
|
|
info.Label = label;
|
|
info.LineNumber = sfunc->PCToLine(pc);
|
|
LineInfo.Push(info);
|
|
}
|
|
|
|
void JitCompiler::EmitBOUND_R()
|
|
{
|
|
auto cursor = cc.getCursor();
|
|
auto label = cc.newLabel();
|
|
cc.bind(label);
|
|
auto call = CreateCall<void, int, int>(&JitCompiler::ThrowArrayOutOfBounds);
|
|
call->setArg(0, regD[A]);
|
|
call->setArg(1, regD[B]);
|
|
cc.setCursor(cursor);
|
|
|
|
cc.cmp(regD[A], regD[B]);
|
|
cc.jae(label);
|
|
|
|
JitLineInfo info;
|
|
info.Label = label;
|
|
info.LineNumber = sfunc->PCToLine(pc);
|
|
LineInfo.Push(info);
|
|
}
|
|
|
|
void JitCompiler::ThrowArrayOutOfBounds(int index, int size)
|
|
{
|
|
if (index >= size)
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Size = %u, current index = %u\n", size, index);
|
|
}
|
|
else
|
|
{
|
|
ThrowAbortException(X_ARRAY_OUT_OF_BOUNDS, "Negative current index = %i\n", index);
|
|
}
|
|
}
|