};
+struct HbOpOr
+{
+ static const bool passthru_left = true;
+ static const bool passthru_right = true;
+ template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
+};
+struct HbOpAnd
+{
+ static const bool passthru_left = false;
+ static const bool passthru_right = false;
+ template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
+};
+struct HbOpMinus
+{
+ static const bool passthru_left = true;
+ static const bool passthru_right = false;
+ template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
+};
+struct HbOpXor
+{
+ static const bool passthru_left = true;
+ static const bool passthru_right = true;
+ template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
+};
+
+
+/* Compiler-assisted vectorization. */
+
+/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))),
+ * using vectorized operations if HB_VECTOR_SIZE is set to **bit** numbers (eg 128).
+ * Define that to 0 to disable. */
+template <typename elt_t, unsigned int byte_size>
+struct hb_vector_size_t
+{
+ elt_t& operator [] (unsigned int i) { return u.v[i]; }
+ const elt_t& operator [] (unsigned int i) const { return u.v[i]; }
+
+ template <class Op>
+ inline hb_vector_size_t process (const hb_vector_size_t &o) const
+ {
+ hb_vector_size_t r;
+#if HB_VECTOR_SIZE
+ if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
+ for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
+ Op::process (r.u.vec[i], u.vec[i], o.u.vec[i]);
+ else
+#endif
+ for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
+ Op::process (r.u.v[i], u.v[i], o.u.v[i]);
+ return r;
+ }
+ inline hb_vector_size_t operator | (const hb_vector_size_t &o) const
+ { return process<HbOpOr> (o); }
+ inline hb_vector_size_t operator & (const hb_vector_size_t &o) const
+ { return process<HbOpAnd> (o); }
+ inline hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
+ { return process<HbOpXor> (o); }
+ inline hb_vector_size_t operator ~ () const
+ {
+ hb_vector_size_t r;
+#if HB_VECTOR_SIZE && 0
+ if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
+ for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
+ r.u.vec[i] = ~u.vec[i];
+ else
+#endif
+ for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
+ r.u.v[i] = ~u.v[i];
+ return r;
+ }
+
+ private:
+ static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size, "");
+ union {
+ elt_t v[byte_size / sizeof (elt_t)];
+#if HB_VECTOR_SIZE
+ typedef unsigned long vec_t __attribute__((vector_size (HB_VECTOR_SIZE / 8)));
+ vec_t vec[byte_size / sizeof (vec_t)];
+#endif
+ } u;
+};
+
+
#endif /* HB_DSALGS_HH */
-/* Vectorization */
-
-struct HbOpOr
-{
- static const bool passthru_left = true;
- static const bool passthru_right = true;
- template <typename T> static void process (T &o, const T &a, const T &b) { o = a | b; }
-};
-struct HbOpAnd
-{
- static const bool passthru_left = false;
- static const bool passthru_right = false;
- template <typename T> static void process (T &o, const T &a, const T &b) { o = a & b; }
-};
-struct HbOpMinus
-{
- static const bool passthru_left = true;
- static const bool passthru_right = false;
- template <typename T> static void process (T &o, const T &a, const T &b) { o = a & ~b; }
-};
-struct HbOpXor
-{
- static const bool passthru_left = true;
- static const bool passthru_right = true;
- template <typename T> static void process (T &o, const T &a, const T &b) { o = a ^ b; }
-};
-
-
/* Compiler-assisted vectorization. */
/*
# define HB_VECTOR_SIZE 0
#endif
-
/* The `vector_size' attribute was introduced in gcc 3.1. */
#if !defined(HB_VECTOR_SIZE)
# if defined( __GNUC__ ) && ( __GNUC__ >= 4 )
# endif
#endif
-/* Type behaving similar to vectorized vars defined using __attribute__((vector_size(...))). */
-template <typename elt_t, unsigned int byte_size>
-struct hb_vector_size_t
-{
- elt_t& operator [] (unsigned int i) { return u.v[i]; }
- const elt_t& operator [] (unsigned int i) const { return u.v[i]; }
-
- template <class Op>
- inline hb_vector_size_t process (const hb_vector_size_t &o) const
- {
- hb_vector_size_t r;
-#if HB_VECTOR_SIZE
- if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
- for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
- Op::process (r.u.vec[i], u.vec[i], o.u.vec[i]);
- else
-#endif
- for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
- Op::process (r.u.v[i], u.v[i], o.u.v[i]);
- return r;
- }
- inline hb_vector_size_t operator | (const hb_vector_size_t &o) const
- { return process<HbOpOr> (o); }
- inline hb_vector_size_t operator & (const hb_vector_size_t &o) const
- { return process<HbOpAnd> (o); }
- inline hb_vector_size_t operator ^ (const hb_vector_size_t &o) const
- { return process<HbOpXor> (o); }
- inline hb_vector_size_t operator ~ () const
- {
- hb_vector_size_t r;
-#if HB_VECTOR_SIZE && 0
- if (HB_VECTOR_SIZE && 0 == (byte_size * 8) % HB_VECTOR_SIZE)
- for (unsigned int i = 0; i < ARRAY_LENGTH (u.vec); i++)
- r.u.vec[i] = ~u.vec[i];
- else
-#endif
- for (unsigned int i = 0; i < ARRAY_LENGTH (u.v); i++)
- r.u.v[i] = ~u.v[i];
- return r;
- }
-
- private:
- static_assert (byte_size / sizeof (elt_t) * sizeof (elt_t) == byte_size, "");
- union {
- elt_t v[byte_size / sizeof (elt_t)];
-#if HB_VECTOR_SIZE
- typedef unsigned long vec_t __attribute__((vector_size (HB_VECTOR_SIZE / 8)));
- vec_t vec[byte_size / sizeof (vec_t)];
-#endif
- } u;
-};
-
/* Global runtime options. */