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- backported Vector*::Sum() from Raze.

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This commit is contained in:
Christoph Oelckers 2022-11-14 19:49:37 +01:00
commit 4994e114c8
3 changed files with 20 additions and 0 deletions
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18
src/common/scripting/backend/codegen.cpp
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@ -9365,6 +9365,7 @@ FxExpression *FxVectorBuiltin::Resolve(FCompileContext &ctx)
assert(Self->IsVector());
case NAME_Length:
case NAME_LengthSquared:
case NAME_Sum:
ValueType = TypeFloat64;
break;
@ -9396,6 +9397,23 @@ ExpEmit FxVectorBuiltin::Emit(VMFunctionBuilder *build)
{
build->Emit(vecSize == 2 ? OP_DOTV2_RR : vecSize == 3 ? OP_DOTV3_RR : OP_DOTV4_RR, to.RegNum, op.RegNum, op.RegNum);
}
else if (Function == NAME_Sum)
{
ExpEmit temp(build, ValueType->GetRegType(), 1);
build->Emit(OP_FLOP, to.RegNum, op.RegNum, FLOP_ABS);
build->Emit(OP_FLOP, temp.RegNum, op.RegNum + 1, FLOP_ABS);
build->Emit(OP_ADDF_RR, to.RegNum, to.RegNum, temp.RegNum);
if (vecSize > 2)
{
build->Emit(OP_FLOP, temp.RegNum, op.RegNum + 2, FLOP_ABS);
build->Emit(OP_ADDF_RR, to.RegNum, to.RegNum, temp.RegNum);
}
if (vecSize > 3)
{
build->Emit(OP_FLOP, temp.RegNum, op.RegNum + 3, FLOP_ABS);
build->Emit(OP_ADDF_RR, to.RegNum, to.RegNum, temp.RegNum);
}
}
else if (Function == NAME_Unit)
{
ExpEmit len(build, REGT_FLOAT);