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Squashed 'externals/oaknut/' changes from c0c715505..72f7ccd94

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72f7ccd94 oaknut: 1.1.3
0b5745e4e oaknut: Add Windows on Arm support (#1)
5de40335d oaknut: 1.1.2
2952b759f oaknut: Correct MOV (UMOV alias)
c90eb31ca oaknut: 1.1.1
7c777a28f oaknut: Fix ADR and ADRP
7470c7611 oaknut: Add ARMv8.2 instructions
9eb7cca88 oaknut: Update README
3fe32849a oaknut: 1.1.0
542128b51 oaknut: Add ARMv8.1 instructions
9acafdcdd oaknut: fpsimd MOV and UMOV corrections
636f91bac oaknut: MOV: Fix MOVN case
9cb332621 oaknut: Implement arranged accessors from DReg and QReg
ba2dc2afe oaknut: dx
94bf56b08 oaknut: align
aa7a3519f oaknut: Add dw
898f666ec oaknut: Add common system registers

git-subtree-dir: externals/oaknut
git-subtree-split: 72f7ccd9409dadf6a4ab98bad1fb11fbf0ca4d74
This commit is contained in:
Merry
2022-11-15 15:36:04 +00:00
parent 4e89756169
commit cb8abc3ae5
16 changed files with 2331 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

140
include/oaknut/impl/reg.hpp
View File

@@ -28,6 +28,7 @@ struct HReg;
struct SReg;
struct DReg;
struct QReg;
struct VReg_2H;
struct VReg_8B;
struct VReg_4H;
struct VReg_2S;
@@ -185,10 +186,10 @@ struct VReg : public Reg {
};
struct VRegArranged : public Reg {
protected:
constexpr explicit VRegArranged(unsigned bitsize_, int index_, unsigned esize_)
: Reg(true, bitsize_, index_), m_esize(esize_)
{
assert(bitsize_ == 64 || bitsize_ == 128);
assert(esize_ != 0 && (esize_ & (esize_ - 1)) == 0 && "esize must be a power of two");
assert(esize_ <= bitsize_);
}
@@ -200,45 +201,9 @@ private:
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_)
struct VReg_2H : public VRegArranged {
constexpr explicit VReg_2H(int reg_index_)
: VRegArranged(32, reg_index_, 32 / 2)
{}
template<typename Policy>
@@ -344,20 +309,6 @@ private:
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 {
constexpr explicit BElem(int reg_, unsigned elem_index_)
: Elem(2, reg_, elem_index_)
@@ -391,6 +342,86 @@ 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
{
return BReg{index()};
@@ -424,6 +455,7 @@ struct VRegSelector {
constexpr ElemSelector<SElem> S() const { return ElemSelector<SElem>(index()); }
constexpr ElemSelector<DElem> D() const { return ElemSelector<DElem>(index()); }
constexpr VReg_2H H2() const { return VReg_2H{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()}; }