Move more stuff to hb-dsalgs.hh
This commit is contained in:
Behdad Esfahbod
parent
be7f664f72
commit
f477765661
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@ -541,4 +541,87 @@ struct hb_bytes_t
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};
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};
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struct HbOpOr
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{
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static const bool passthru_left = true;
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static const bool passthru_right = true;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
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};
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struct HbOpAnd
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{
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static const bool passthru_left = false;
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static const bool passthru_right = false;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
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};
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struct HbOpMinus
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{
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static const bool passthru_left = true;
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static const bool passthru_right = false;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
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};
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struct HbOpXor
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{
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static const bool passthru_left = true;
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static const bool passthru_right = true;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
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};
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/* Compiler-assisted vectorization. */
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/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))),
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* using vectorized operations if HB_VECTOR_SIZE is set to **bit** numbers (eg 128).
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* Define that to 0 to disable. */
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template <typename elt_t, unsigned int byte_size>
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struct hb_vector_size_t
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{
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elt_t& operator [] (unsigned int i) { return u.v[i]; }
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const elt_t& operator [] (unsigned int i) const { return u.v[i]; }
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template <class Op>
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inline hb_vector_size_t process (const hb_vector_size_t &o) const
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{
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hb_vector_size_t r;
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#if HB_VECTOR_SIZE
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if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
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Op::process (r.u.vec[i], u.vec[i], o.u.vec[i]);
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else
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#endif
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
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Op::process (r.u.v[i], u.v[i], o.u.v[i]);
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return r;
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}
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inline hb_vector_size_t operator | (const hb_vector_size_t &o) const
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{ return process<HbOpOr> (o); }
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inline hb_vector_size_t operator & (const hb_vector_size_t &o) const
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{ return process<HbOpAnd> (o); }
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inline hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
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{ return process<HbOpXor> (o); }
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inline hb_vector_size_t operator ~ () const
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{
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hb_vector_size_t r;
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#if HB_VECTOR_SIZE && 0
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if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
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r.u.vec[i] = ~u.vec[i];
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else
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#endif
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
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r.u.v[i] = ~u.v[i];
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return r;
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}
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private:
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static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size, "");
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union {
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elt_t v[byte_size / sizeof (elt_t)];
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#if HB_VECTOR_SIZE
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typedef unsigned long vec_t __attribute__((vector_size (HB_VECTOR_SIZE / 8)));
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vec_t vec[byte_size / sizeof (vec_t)];
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#endif
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} u;
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};
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#endif /* HB_DSALGS_HH */
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#endif /* HB_DSALGS_HH */
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@ -746,34 +746,6 @@ hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3)
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/* Vectorization */
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struct HbOpOr
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{
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static const bool passthru_left = true;
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static const bool passthru_right = true;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
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};
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struct HbOpAnd
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{
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static const bool passthru_left = false;
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static const bool passthru_right = false;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
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};
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struct HbOpMinus
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{
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static const bool passthru_left = true;
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static const bool passthru_right = false;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
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};
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struct HbOpXor
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{
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static const bool passthru_left = true;
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static const bool passthru_right = true;
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template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
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};
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/* Compiler-assisted vectorization. */
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/* Compiler-assisted vectorization. */
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/*
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/*
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@ -787,7 +759,6 @@ struct HbOpXor
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# define HB_VECTOR_SIZE 0
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# define HB_VECTOR_SIZE 0
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#endif
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#endif
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/* The `vector_size' attribute was introduced in gcc 3.1. */
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/* The `vector_size' attribute was introduced in gcc 3.1. */
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#if !defined(HB_VECTOR_SIZE)
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#if !defined(HB_VECTOR_SIZE)
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# if defined( __GNUC__ ) && ( __GNUC__ >= 4 )
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# if defined( __GNUC__ ) && ( __GNUC__ >= 4 )
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@ -797,58 +768,6 @@ struct HbOpXor
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# endif
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# endif
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#endif
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#endif
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/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))). */
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template <typename elt_t, unsigned int byte_size>
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struct hb_vector_size_t
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{
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elt_t& operator [] (unsigned int i) { return u.v[i]; }
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const elt_t& operator [] (unsigned int i) const { return u.v[i]; }
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template <class Op>
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inline hb_vector_size_t process (const hb_vector_size_t &o) const
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{
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hb_vector_size_t r;
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#if HB_VECTOR_SIZE
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if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
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Op::process (r.u.vec[i], u.vec[i], o.u.vec[i]);
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else
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#endif
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
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Op::process (r.u.v[i], u.v[i], o.u.v[i]);
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return r;
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}
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inline hb_vector_size_t operator | (const hb_vector_size_t &o) const
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{ return process<HbOpOr> (o); }
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inline hb_vector_size_t operator & (const hb_vector_size_t &o) const
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{ return process<HbOpAnd> (o); }
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inline hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
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{ return process<HbOpXor> (o); }
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inline hb_vector_size_t operator ~ () const
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{
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hb_vector_size_t r;
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#if HB_VECTOR_SIZE && 0
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if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
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r.u.vec[i] = ~u.vec[i];
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else
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#endif
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for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
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r.u.v[i] = ~u.v[i];
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return r;
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}
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private:
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static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size, "");
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union {
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elt_t v[byte_size / sizeof (elt_t)];
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#if HB_VECTOR_SIZE
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typedef unsigned long vec_t __attribute__((vector_size (HB_VECTOR_SIZE / 8)));
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vec_t vec[byte_size / sizeof (vec_t)];
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#endif
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} u;
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};
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/* Global runtime options. */
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/* Global runtime options. */
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