zdoom
/
gzdoom
mirror of https://github.com/ZDoom/gzdoom.git
0
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

- implement MODF_RR, MODF_RK and MODF_KR

This commit is contained in:
Magnus Norddahl 2018-08-29 01:27:37 +02:00
parent a5719e73eb
commit 4b22fa7bc8
1 changed files with 66 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
src/scripting/vm/jit.cpp
View File

@ -299,9 +299,9 @@ private:
EMIT_OP(DIVF_RR);
EMIT_OP(DIVF_RK);
EMIT_OP(DIVF_KR);
// EMIT_OP(MODF_RR);
// EMIT_OP(MODF_RK);
// EMIT_OP(MODF_KR);
EMIT_OP(MODF_RR);
EMIT_OP(MODF_RK);
EMIT_OP(MODF_KR);
EMIT_OP(POWF_RR);
EMIT_OP(POWF_RK);
EMIT_OP(POWF_KR);
@ -1738,9 +1738,69 @@ private:
cc.divsd(regF[a], regF[C]);
}
// void EmitMODF_RR() { } // fA = fkB % fkC
// void EmitMODF_RK() { }
// void EmitMODF_KR() { }
void EmitMODF_RR()
{
using namespace asmjit;
typedef double(*FuncPtr)(double, double);
auto label = cc.newLabel();
cc.ptest(regF[C], regF[C]);
cc.jne(label);
EmitThrowException(X_DIVISION_BY_ZERO);
cc.bind(label);
auto call = cc.call(ToMemAddress(reinterpret_cast<const void*>(static_cast<FuncPtr>([](double a, double b) -> double
{
return a - floor(a / b) * b;
}))), FuncSignature2<double, double, double>());
call->setRet(0, regF[a]);
call->setArg(0, regF[B]);
call->setArg(1, regF[C]);
}
void EmitMODF_RK()
{
using namespace asmjit;
typedef double(*FuncPtr)(double, double);
auto label = cc.newLabel();
cc.ptest(regF[C], regF[C]);
cc.jne(label);
EmitThrowException(X_DIVISION_BY_ZERO);
cc.bind(label);
auto tmp = cc.newXmm();
cc.movsd(tmp, x86::ptr(ToMemAddress(&konstf[C])));
auto call = cc.call(ToMemAddress(reinterpret_cast<const void*>(static_cast<FuncPtr>([](double a, double b) -> double {
return a - floor(a / b) * b;
}))), FuncSignature2<double, double, double>());
call->setRet(0, regF[a]);
call->setArg(0, regF[B]);
call->setArg(1, tmp);
}
void EmitMODF_KR()
{
using namespace asmjit;
typedef double(*FuncPtr)(double, double);
auto label = cc.newLabel();
cc.ptest(regF[C], regF[C]);
cc.jne(label);
EmitThrowException(X_DIVISION_BY_ZERO);
cc.bind(label);
auto tmp = cc.newXmm();
cc.movsd(tmp, x86::ptr(ToMemAddress(&konstf[B])));
auto call = cc.call(ToMemAddress(reinterpret_cast<const void*>(static_cast<FuncPtr>([](double a, double b) -> double {
return a - floor(a / b) * b;
}))), FuncSignature2<double, double, double>());
call->setRet(0, regF[a]);
call->setArg(0, tmp);
call->setArg(1, regF[C]);
}
void EmitPOWF_RR()
{