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- inline VBTL opcode

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- remove old META and CLSS implementations
This commit is contained in:
Magnus Norddahl 2018-11-23 05:37:26 +01:00
parent 9ef7212f54
commit 6f397854d0
2 changed files with 3 additions and 55 deletions
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16
src/scripting/vm/jit_call.cpp
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@ -24,13 +24,6 @@ void JitCompiler::EmitVTBL()
// This instruction is handled in the CALL/CALL_K instruction following it
}
static VMFunction *GetVirtual(DObject *o, int c)
{
auto p = o->GetClass();
assert(c < (int)p->Virtuals.Size());
return p->Virtuals[c];
}
void JitCompiler::EmitVtbl(const VMOP *op)
{
int a = op->a;
@ -41,12 +34,9 @@ void JitCompiler::EmitVtbl(const VMOP *op)
cc.test(regA[b], regA[b]);
cc.jz(label);
auto result = newResultIntPtr();
auto call = CreateCall<VMFunction*, DObject*, int>(GetVirtual);
call->setRet(0, result);
call->setArg(0, regA[b]);
call->setArg(1, asmjit::Imm(c));
cc.mov(regA[a], result);
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, Virtuals) + myoffsetof(FArray, Array)));
cc.mov(regA[a], asmjit::x86::qword_ptr(regA[a], c * (int)sizeof(void*)));
}
void JitCompiler::EmitCALL()

42
src/scripting/vm/jit_load.cpp
View file

@ -77,8 +77,6 @@ void JitCompiler::EmitLFP()
cc.lea(regA[A], asmjit::x86::ptr(vmframe, offsetExtra));
}
#if 1 // Inline implementation
void JitCompiler::EmitMETA()
{
auto label = EmitThrowExceptionLabel(X_READ_NIL);
@ -97,46 +95,6 @@ void JitCompiler::EmitCLSS()
cc.mov(regA[A], asmjit::x86::qword_ptr(regA[B], myoffsetof(DObject, Class)));
}
#else
static uint8_t *GetClassMeta(DObject *o)
{
return o->GetClass()->Meta;
}
void JitCompiler::EmitMETA()
{
auto label = EmitThrowExceptionLabel(X_READ_NIL);
cc.test(regA[B], regA[B]);
cc.je(label);
auto result = newResultIntPtr();
auto call = CreateCall<uint8_t*, DObject*>(GetClassMeta);
call->setRet(0, result);
call->setArg(0, regA[B]);
cc.mov(regA[A], result);
}
static PClass *GetClass(DObject *o)
{
return o->GetClass();
}
void JitCompiler::EmitCLSS()
{
auto label = EmitThrowExceptionLabel(X_READ_NIL);
cc.test(regA[B], regA[B]);
cc.je(label);
auto result = newResultIntPtr();
auto call = CreateCall<PClass*, DObject*>(GetClass);
call->setRet(0, result);
call->setArg(0, regA[B]);
cc.mov(regA[A], result);
}
#endif
/////////////////////////////////////////////////////////////////////////////
// Load from memory. rA = *(rB + rkC)