Vec &Vec::operator /=(const Vec &b) {
Assert(Elts() == b.Elts(), "(Vec::/=) Vec sizes don't match");
int i;
for (i = 0; i < Elts(); i++)
data[i] /= b[i];
return (*this);
}
Vec &Vec::operator +=(const Vec &b) {
Assert(Elts() == b.Elts(), "(Vec::+=) vector sizes don't match");
int i;
for (i = 0; i < Elts(); i++)
data[i] += b[i];
return (*this);
}
Vec::Vec(const Vec &v) {
Assert(v.data != 0, "(Vec) Can't construct from a null vector");
elts = v.Elts();
data = new double[elts];
#ifdef VL_USE_MEMCPY
memcpy(data, v.Ref(), sizeof (double) * Elts());
#else
for (int i = 0; i < Elts(); i++)
data[i] = v[i];
#endif
}
Vec &Vec::operator =(const Vec &v) {
if (!IsRef())
SetSize(v.Elts());
else
Assert(Elts() == v.Elts(), "(Vec::=) Vector sizes don't match");
#ifdef VL_USE_MEMCPY
memcpy(data, v.data, sizeof (double) * Elts());
#else
for (int i = 0; i < Elts(); i++)
data[i] = v[i];
#endif
return (*this);
}
Vec &Vec::operator /=(double s) {
int i;
for (i = 0; i < Elts(); i++)
data[i] /= s;
return (*this);
}
Vec &Vec::operator =(const Vec2 &v) {
if (!IsRef())
SetSize(v.Elts());
else
Assert(Elts() == v.Elts(), "(Vec::=) Vector sizes don't match");
data[0] = v[0];
data[1] = v[1];
return (*this);
}
/// PassInMixedRegisters - Given an aggregate value that should be passed in
/// mixed integer, floating point, and vector registers, convert it to a
/// structure containing the specified struct elements in.
void DefaultABI::PassInMixedRegisters(const Type *Ty,
std::vector<const Type*> &OrigElts,
std::vector<const Type*> &ScalarElts) {
// We use VoidTy in OrigElts to mean "this is a word in the aggregate
// that occupies storage but has no useful information, and is not passed
// anywhere". Happens on x86-64.
std::vector<const Type*> Elts(OrigElts);
const Type* wordType = getTargetData().getPointerSize() == 4 ?
Type::getInt32Ty(getGlobalContext()) : Type::getInt64Ty(getGlobalContext());
for (unsigned i=0, e=Elts.size(); i!=e; ++i)
if (OrigElts[i]->isVoidTy())
Elts[i] = wordType;
const StructType *STy = StructType::get(getGlobalContext(), Elts, false);
unsigned Size = getTargetData().getTypeAllocSize(STy);
const StructType *InSTy = dyn_cast<StructType>(Ty);
unsigned InSize = 0;
// If Ty and STy size does not match then last element is accessing
// extra bits.
unsigned LastEltSizeDiff = 0;
if (InSTy) {
InSize = getTargetData().getTypeAllocSize(InSTy);
if (InSize < Size) {
unsigned N = STy->getNumElements();
const llvm::Type *LastEltTy = STy->getElementType(N-1);
if (LastEltTy->isIntegerTy())
LastEltSizeDiff =
getTargetData().getTypeAllocSize(LastEltTy) - (Size - InSize);
}
}
for (unsigned i = 0, e = Elts.size(); i != e; ++i) {
if (!OrigElts[i]->isVoidTy()) {
C.EnterField(i, STy);
unsigned RealSize = 0;
if (LastEltSizeDiff && i == (e - 1))
RealSize = LastEltSizeDiff;
C.HandleScalarArgument(Elts[i], 0, RealSize);
ScalarElts.push_back(Elts[i]);
C.ExitField();
}
}
}
