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oaknut: Implement arranged accessors from DReg and QReg

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Merry 2022-07-25 20:58:29 +01:00 committed by merry
parent 3d420e34ae
commit 9b09acee47
1 changed files with 80 additions and 59 deletions
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139
externals/oaknut/include/oaknut/impl/reg.hpp vendored
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@ -200,51 +200,6 @@ private:
int m_esize : 8; int m_esize : 8;
}; };
struct BReg : public VReg {
constexpr explicit BReg(int index_)
: VReg(8, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct HReg : public VReg {
constexpr explicit HReg(int index_)
: VReg(16, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct SReg : public VReg {
constexpr explicit SReg(int index_)
: VReg(32, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct DReg : public VReg {
constexpr explicit DReg(int index_)
: VReg(64, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct QReg : public VReg {
constexpr explicit QReg(int index_)
: VReg(128, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct VReg_8B : public VRegArranged { struct VReg_8B : public VRegArranged {
constexpr explicit VReg_8B(int reg_index_) constexpr explicit VReg_8B(int reg_index_)
: VRegArranged(64, reg_index_, 64 / 8) : VRegArranged(64, reg_index_, 64 / 8)
@ -344,20 +299,6 @@ private:
unsigned m_elem_index; unsigned m_elem_index;
}; };
template<typename E>
struct ElemSelector {
constexpr explicit ElemSelector(int reg_index_)
: m_reg_index(reg_index_)
{}
constexpr int reg_index() const { return m_reg_index; }
constexpr E operator[](unsigned elem_index) const { return E{m_reg_index, elem_index}; }
private:
int m_reg_index;
};
struct BElem : public Elem { struct BElem : public Elem {
constexpr explicit BElem(int reg_, unsigned elem_index_) constexpr explicit BElem(int reg_, unsigned elem_index_)
: Elem(2, reg_, elem_index_) : Elem(2, reg_, elem_index_)
@ -391,6 +332,86 @@ struct DElem_1 : public DElem {
} }
}; };
template<typename E>
struct ElemSelector {
constexpr explicit ElemSelector(int reg_index_)
: m_reg_index(reg_index_)
{}
constexpr int reg_index() const { return m_reg_index; }
constexpr E operator[](unsigned elem_index) const { return E{m_reg_index, elem_index}; }
private:
int m_reg_index;
};
struct BReg : public VReg {
constexpr explicit BReg(int index_)
: VReg(8, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct HReg : public VReg {
constexpr explicit HReg(int index_)
: VReg(16, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct SReg : public VReg {
constexpr explicit SReg(int index_)
: VReg(32, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
};
struct DReg : public VReg {
constexpr explicit DReg(int index_)
: VReg(64, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
constexpr ElemSelector<BElem> Belem() const { return ElemSelector<BElem>(index()); }
constexpr ElemSelector<HElem> Helem() const { return ElemSelector<HElem>(index()); }
constexpr ElemSelector<SElem> Selem() const { return ElemSelector<SElem>(index()); }
constexpr ElemSelector<DElem> Delem() const { return ElemSelector<DElem>(index()); }
constexpr VReg_8B B8() const { return VReg_8B{index()}; }
constexpr VReg_4H H4() const { return VReg_4H{index()}; }
constexpr VReg_2S S2() const { return VReg_2S{index()}; }
constexpr VReg_1D D1() const { return VReg_1D{index()}; }
};
struct QReg : public VReg {
constexpr explicit QReg(int index_)
: VReg(128, index_)
{}
template<typename Policy>
friend class BasicCodeGenerator;
constexpr ElemSelector<BElem> Belem() const { return ElemSelector<BElem>(index()); }
constexpr ElemSelector<HElem> Helem() const { return ElemSelector<HElem>(index()); }
constexpr ElemSelector<SElem> Selem() const { return ElemSelector<SElem>(index()); }
constexpr ElemSelector<DElem> Delem() const { return ElemSelector<DElem>(index()); }
constexpr VReg_16B B16() const { return VReg_16B{index()}; }
constexpr VReg_8H H8() const { return VReg_8H{index()}; }
constexpr VReg_4S S4() const { return VReg_4S{index()}; }
constexpr VReg_2D D2() const { return VReg_2D{index()}; }
constexpr VReg_1Q Q1() const { return VReg_1Q{index()}; }
};
constexpr BReg VReg::toB() const constexpr BReg VReg::toB() const
{ {
return BReg{index()}; return BReg{index()};