try to load the consts correctly

This commit is contained in:
Zack Rusin 2008-02-13 07:28:26 -05:00
parent 66640c4b58
commit c107d57210
2 changed files with 22 additions and 0 deletions

View file

@ -81,6 +81,15 @@ std::vector<llvm::Value*> StorageSoa::constElement(int idx, int swizzle,
llvm::Value *indIdx)
{
std::vector<llvm::Value*> res(4);
llvm::Value *xChannel = elementPointer(m_consts, idx, 0);
llvm::Value *yChannel = elementPointer(m_consts, idx, 1);
llvm::Value *zChannel = elementPointer(m_consts, idx, 2);
llvm::Value *wChannel = elementPointer(m_consts, idx, 3);
res[0] = alignedArrayLoad(xChannel);
res[1] = alignedArrayLoad(yChannel);
res[2] = alignedArrayLoad(zChannel);
res[3] = alignedArrayLoad(wChannel);
return res;
}
@ -206,3 +215,14 @@ llvm::ConstantInt * StorageSoa::constantInt(int idx) const
m_constInts[idx] = constInt;
return constInt;
}
llvm::Value *StorageSoa::alignedArrayLoad(llvm::Value *val)
{
VectorType *vectorType = VectorType::get(Type::FloatTy, 4);
PointerType *vectorPtr = PointerType::get(vectorType, 0);
CastInst *cast = new BitCastInst(val, vectorPtr, name("toVector"), m_block);
LoadInst *load = new LoadInst(cast, name("alignLoad"), false, m_block);
load->setAlignment(8);
return load;
}

View file

@ -74,6 +74,8 @@ private:
int channel) const;
const char *name(const char *prefix) const;
llvm::ConstantInt *constantInt(int) const;
llvm::Value *alignedArrayLoad(llvm::Value *val);
private:
llvm::BasicBlock *m_block;