raze-gles/source/common/scripting/jit/jit_load.cpp
Christoph Oelckers c9b2399cd0 - added a first bunch of ZScript code.
# Conflicts:
#	source/CMakeLists.txt
#	source/common/utility/basics.h
#	source/core/serializer.h
2020-05-23 22:43:01 +02:00

360 lines
8.4 KiB
C++

#include "jitintern.h"
/////////////////////////////////////////////////////////////////////////////
// Load constants.
void JitCompiler::EmitLI()
{
cc.mov(regD[A], BCs);
}
void JitCompiler::EmitLK()
{
cc.mov(regD[A], konstd[BC]);
}
void JitCompiler::EmitLKF()
{
auto base = newTempIntPtr();
cc.mov(base, asmjit::imm_ptr(konstf + BC));
cc.movsd(regF[A], asmjit::x86::qword_ptr(base));
}
void JitCompiler::EmitLKS()
{
auto call = CreateCall<void, FString*, FString*>(&JitCompiler::CallAssignString);
call->setArg(0, regS[A]);
call->setArg(1, asmjit::imm_ptr(konsts + BC));
}
void JitCompiler::EmitLKP()
{
cc.mov(regA[A], (int64_t)konsta[BC].v);
}
void JitCompiler::EmitLK_R()
{
auto base = newTempIntPtr();
cc.mov(base, asmjit::imm_ptr(konstd + C));
cc.mov(regD[A], asmjit::x86::ptr(base, regD[B], 2));
}
void JitCompiler::EmitLKF_R()
{
auto base = newTempIntPtr();
cc.mov(base, asmjit::imm_ptr(konstf + C));
cc.movsd(regF[A], asmjit::x86::qword_ptr(base, regD[B], 3));
}
void JitCompiler::EmitLKS_R()
{
auto base = newTempIntPtr();
cc.mov(base, asmjit::imm_ptr(konsts + C));
auto ptr = newTempIntPtr();
if (cc.is64Bit())
cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 3));
else
cc.lea(ptr, asmjit::x86::ptr(base, regD[B], 2));
auto call = CreateCall<void, FString*, FString*>(&JitCompiler::CallAssignString);
call->setArg(0, regS[A]);
call->setArg(1, ptr);
}
void JitCompiler::EmitLKP_R()
{
auto base = newTempIntPtr();
cc.mov(base, asmjit::imm_ptr(konsta + C));
if (cc.is64Bit())
cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 3));
else
cc.mov(regA[A], asmjit::x86::ptr(base, regD[B], 2));
}
void JitCompiler::EmitLFP()
{
CheckVMFrame();
cc.lea(regA[A], asmjit::x86::ptr(vmframe, offsetExtra));
}
void JitCompiler::EmitMETA()
{
auto label = EmitThrowExceptionLabel(X_READ_NIL);
cc.test(regA[B], regA[B]);
cc.je(label);
cc.mov(regA[A], asmjit::x86::qword_ptr(regA[B], myoffsetof(DObject, Class)));
cc.mov(regA[A], asmjit::x86::qword_ptr(regA[A], myoffsetof(PClass, Meta)));
}
void JitCompiler::EmitCLSS()
{
auto label = EmitThrowExceptionLabel(X_READ_NIL);
cc.test(regA[B], regA[B]);
cc.je(label);
cc.mov(regA[A], asmjit::x86::qword_ptr(regA[B], myoffsetof(DObject, Class)));
}
/////////////////////////////////////////////////////////////////////////////
// Load from memory. rA = *(rB + rkC)
void JitCompiler::EmitLB()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsx(regD[A], asmjit::x86::byte_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLB_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsx(regD[A], asmjit::x86::byte_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLH()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsx(regD[A], asmjit::x86::word_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLH_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsx(regD[A], asmjit::x86::word_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLW()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regD[A], asmjit::x86::dword_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLW_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regD[A], asmjit::x86::dword_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLBU()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movzx(regD[A], asmjit::x86::byte_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLBU_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movzx(regD[A].r8Lo(), asmjit::x86::byte_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLHU()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movzx(regD[A].r16(), asmjit::x86::word_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLHU_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movzx(regD[A].r16(), asmjit::x86::word_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLSP()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.xorpd(regF[A], regF[A]);
cc.cvtss2sd(regF[A], asmjit::x86::dword_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLSP_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.xorpd(regF[A], regF[A]);
cc.cvtss2sd(regF[A], asmjit::x86::dword_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLDP()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsd(regF[A], asmjit::x86::qword_ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLDP_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsd(regF[A], asmjit::x86::qword_ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLS()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.lea(ptr, asmjit::x86::ptr(regA[B], konstd[C]));
auto call = CreateCall<void, FString*, FString*>(&JitCompiler::CallAssignString);
call->setArg(0, regS[A]);
call->setArg(1, ptr);
}
void JitCompiler::EmitLS_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.lea(ptr, asmjit::x86::ptr(regA[B], regD[C]));
auto call = CreateCall<void, FString*, FString*>(&JitCompiler::CallAssignString);
call->setArg(0, regS[A]);
call->setArg(1, ptr);
}
#if 1 // Inline read barrier impl
void JitCompiler::EmitReadBarrier()
{
auto isnull = cc.newLabel();
cc.test(regA[A], regA[A]);
cc.je(isnull);
auto mask = newTempIntPtr();
cc.mov(mask.r32(), asmjit::x86::dword_ptr(regA[A], myoffsetof(DObject, ObjectFlags)));
cc.shl(mask, 63 - 5); // put OF_EuthanizeMe (1 << 5) in the highest bit
cc.sar(mask, 63); // sign extend so all bits are set if OF_EuthanizeMe was set
cc.not_(mask);
cc.and_(regA[A], mask);
cc.bind(isnull);
}
void JitCompiler::EmitLO()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regA[A], asmjit::x86::ptr(regA[B], konstd[C]));
EmitReadBarrier();
}
void JitCompiler::EmitLO_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regA[A], asmjit::x86::ptr(regA[B], regD[C]));
EmitReadBarrier();
}
#else
static DObject *ReadBarrier(DObject *p)
{
return GC::ReadBarrier(p);
}
void JitCompiler::EmitLO()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.mov(ptr, asmjit::x86::ptr(regA[B], konstd[C]));
auto result = newResultIntPtr();
auto call = CreateCall<DObject*, DObject*>(ReadBarrier);
call->setRet(0, result);
call->setArg(0, ptr);
cc.mov(regA[A], result);
}
void JitCompiler::EmitLO_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.mov(ptr, asmjit::x86::ptr(regA[B], regD[C]));
auto result = newResultIntPtr();
auto call = CreateCall<DObject*, DObject*>(ReadBarrier);
call->setRet(0, result);
call->setArg(0, ptr);
cc.mov(regA[A], result);
}
#endif
void JitCompiler::EmitLP()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regA[A], asmjit::x86::ptr(regA[B], konstd[C]));
}
void JitCompiler::EmitLP_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.mov(regA[A], asmjit::x86::ptr(regA[B], regD[C]));
}
void JitCompiler::EmitLV2()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto tmp = newTempIntPtr();
cc.lea(tmp, asmjit::x86::qword_ptr(regA[B], konstd[C]));
cc.movsd(regF[A], asmjit::x86::qword_ptr(tmp));
cc.movsd(regF[A + 1], asmjit::x86::qword_ptr(tmp, 8));
}
void JitCompiler::EmitLV2_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto tmp = newTempIntPtr();
cc.lea(tmp, asmjit::x86::qword_ptr(regA[B], regD[C]));
cc.movsd(regF[A], asmjit::x86::qword_ptr(tmp));
cc.movsd(regF[A + 1], asmjit::x86::qword_ptr(tmp, 8));
}
void JitCompiler::EmitLV3()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto tmp = newTempIntPtr();
cc.lea(tmp, asmjit::x86::qword_ptr(regA[B], konstd[C]));
cc.movsd(regF[A], asmjit::x86::qword_ptr(tmp));
cc.movsd(regF[A + 1], asmjit::x86::qword_ptr(tmp, 8));
cc.movsd(regF[A + 2], asmjit::x86::qword_ptr(tmp, 16));
}
void JitCompiler::EmitLV3_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto tmp = newTempIntPtr();
cc.lea(tmp, asmjit::x86::qword_ptr(regA[B], regD[C]));
cc.movsd(regF[A], asmjit::x86::qword_ptr(tmp));
cc.movsd(regF[A + 1], asmjit::x86::qword_ptr(tmp, 8));
cc.movsd(regF[A + 2], asmjit::x86::qword_ptr(tmp, 16));
}
static void SetString(FString *to, char **from)
{
*to = *from;
}
void JitCompiler::EmitLCS()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.lea(ptr, asmjit::x86::ptr(regA[B], konstd[C]));
auto call = CreateCall<void, FString*, char**>(SetString);
call->setArg(0, regS[A]);
call->setArg(1, ptr);
}
void JitCompiler::EmitLCS_R()
{
EmitNullPointerThrow(B, X_READ_NIL);
auto ptr = newTempIntPtr();
cc.lea(ptr, asmjit::x86::ptr(regA[B], regD[C]));
auto call = CreateCall<void, FString*, char**>(SetString);
call->setArg(0, regS[A]);
call->setArg(1, ptr);
}
void JitCompiler::EmitLBIT()
{
EmitNullPointerThrow(B, X_READ_NIL);
cc.movsx(regD[A], asmjit::x86::byte_ptr(regA[B]));
cc.and_(regD[A], C);
cc.cmp(regD[A], 0);
cc.setne(regD[A]);
}