#include <vppinfra/error_bootstrap.h> /* for ASSERT */
#include <x86intrin.h>
+/* *INDENT-OFF* */
+#define foreach_sse42_vec128i \
+ _(i,8,16,epi8) _(i,16,8,epi16) _(i,32,4,epi32) _(i,64,2,epi64x)
+#define foreach_sse42_vec128u \
+ _(u,8,16,epi8) _(u,16,8,epi16) _(u,32,4,epi32) _(u,64,2,epi64x)
+#define foreach_sse42_vec128f \
+ _(f,32,4,ps) _(f,64,2,pd)
+
+/* splat, load_unaligned, store_unaligned, is_all_zero, is_equal,
+ is_all_equal */
+#define _(t, s, c, i) \
+static_always_inline t##s##x##c \
+t##s##x##c##_splat (t##s x) \
+{ return (t##s##x##c) _mm_set1_##i (x); } \
+\
+static_always_inline t##s##x##c \
+t##s##x##c##_load_unaligned (void *p) \
+{ return (t##s##x##c) _mm_loadu_si128 (p); } \
+\
+static_always_inline void \
+t##s##x##c##_store_unaligned (t##s##x##c v, void *p) \
+{ _mm_storeu_si128 ((__m128i *) p, (__m128i) v); } \
+\
+static_always_inline int \
+t##s##x##c##_is_all_zero (t##s##x##c x) \
+{ return _mm_testz_si128 ((__m128i) x, (__m128i) x); } \
+\
+static_always_inline int \
+t##s##x##c##_is_equal (t##s##x##c a, t##s##x##c b) \
+{ return t##s##x##c##_is_all_zero (a ^ b); } \
+\
+static_always_inline int \
+t##s##x##c##_is_all_equal (t##s##x##c v, t##s x) \
+{ return t##s##x##c##_is_equal (v, t##s##x##c##_splat (x)); }; \
+
+foreach_sse42_vec128i foreach_sse42_vec128u
+#undef _
+
+/* min, max */
+#define _(t, s, c, i) \
+static_always_inline t##s##x##c \
+t##s##x##c##_min (t##s##x##c a, t##s##x##c b) \
+{ return (t##s##x##c) _mm_min_##i ((__m128i) a, (__m128i) b); } \
+\
+static_always_inline t##s##x##c \
+t##s##x##c##_max (t##s##x##c a, t##s##x##c b) \
+{ return (t##s##x##c) _mm_max_##i ((__m128i) a, (__m128i) b); } \
+
+_(i,8,16,epi8) _(i,16,8,epi16) _(i,32,4,epi32) _(i,64,2,epi64)
+_(u,8,16,epu8) _(u,16,8,epu16) _(u,32,4,epu32) _(u,64,2,epu64)
+#undef _
+/* *INDENT-ON* */
+
+#define CLIB_VEC128_SPLAT_DEFINED
+#define CLIB_HAVE_VEC128_UNALIGNED_LOAD_STORE
+
/* 128 bit interleaves. */
always_inline u8x16
u8x16_interleave_hi (u8x16 a, u8x16 b)
}
#endif
-/* Unaligned loads/stores. */
-
-#define _(t) \
- always_inline void t##_store_unaligned (t x, void * a) \
- { _mm_storeu_si128 ((__m128i *) a, (__m128i) x); } \
- always_inline t t##_load_unaligned (void * a) \
- { return (t) _mm_loadu_si128 ((__m128i *) a); }
-
-_(u8x16) _(u16x8) _(u32x4) _(u64x2) _(i8x16) _(i16x8) _(i32x4) _(i64x2)
-#undef _
#define _signed_binop(n,m,f,g) \
/* Unsigned */ \
always_inline u##n##x##m \
i##n##x##m##_##f (i##n##x##m x, i##n##x##m y) \
{ return (i##n##x##m) _mm_##g##n ((__m128i) x, (__m128i) y); }
/* Addition/subtraction with saturation. */
- _signed_binop (8, 16, add_saturate, adds_epu)
+_signed_binop (8, 16, add_saturate, adds_epu)
_signed_binop (16, 8, add_saturate, adds_epu)
_signed_binop (8, 16, sub_saturate, subs_epu)
_signed_binop (16, 8, sub_saturate, subs_epu)
#undef _
#endif
-always_inline int
-u8x16_is_all_zero (u8x16 x)
-{
- return _mm_testz_si128 ((__m128i) x, (__m128i) x);
-}
-
-always_inline int
-u16x8_is_all_zero (u16x8 x)
-{
- return _mm_testz_si128 ((__m128i) x, (__m128i) x);
-}
-
-always_inline int
-u32x4_is_all_zero (u32x4 x)
-{
- return _mm_testz_si128 ((__m128i) x, (__m128i) x);
-}
-
-always_inline int
-u64x2_is_all_zero (u64x2 x)
-{
- return _mm_testz_si128 ((__m128i) x, (__m128i) x);
-}
-
#define u32x4_select(A,MASK) \
({ \
u32x4 _x, _y; \
u8x16_zero_byte_mask (u8x16 x)
{
u8x16 zero = { 0 };
- return u8x16_compare_byte_mask (u8x16_is_equal (x, zero));
+ return u8x16_compare_byte_mask (x == zero);
}
always_inline u32
u16x8_zero_byte_mask (u16x8 x)
{
u16x8 zero = { 0 };
- return u8x16_compare_byte_mask ((u8x16) u16x8_is_equal (x, zero));
+ return u8x16_compare_byte_mask ((u8x16) (x == zero));
}
always_inline u32
u32x4_zero_byte_mask (u32x4 x)
{
u32x4 zero = { 0 };
- return u8x16_compare_byte_mask ((u8x16) u32x4_is_equal (x, zero));
-}
-
-always_inline u8x16
-u8x16_max (u8x16 x, u8x16 y)
-{
- return (u8x16) _mm_max_epu8 ((__m128i) x, (__m128i) y);
+ return u8x16_compare_byte_mask ((u8x16) (x == zero));
}
always_inline u32
return _mm_extract_epi16 ((__m128i) x, 0) & 0xff;
}
-always_inline u8x16
-u8x16_min (u8x16 x, u8x16 y)
-{
- return (u8x16) _mm_min_epu8 ((__m128i) x, (__m128i) y);
-}
-
always_inline u8
u8x16_min_scalar (u8x16 x)
{
return _mm_extract_epi16 ((__m128i) x, 0) & 0xff;
}
-always_inline i16x8
-i16x8_max (i16x8 x, i16x8 y)
-{
- return (i16x8) _mm_max_epi16 ((__m128i) x, (__m128i) y);
-}
-
always_inline i16
i16x8_max_scalar (i16x8 x)
{
return _mm_extract_epi16 ((__m128i) x, 0);
}
-always_inline i16x8
-i16x8_min (i16x8 x, i16x8 y)
-{
- return (i16x8) _mm_min_epi16 ((__m128i) x, (__m128i) y);
-}
-
always_inline i16
i16x8_min_scalar (i16x8 x)
{
return _mm_extract_epi16 ((__m128i) x, 0);
}
+#define u8x16_align_right(a, b, imm) \
+ (u8x16) _mm_alignr_epi8 ((__m128i) a, (__m128i) b, imm)
+
+static_always_inline u32
+u32x4_min_scalar (u32x4 v)
+{
+ v = u32x4_min (v, (u32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 8));
+ v = u32x4_min (v, (u32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 4));
+ return v[0];
+}
+
+static_always_inline u32
+u32x4_max_scalar (u32x4 v)
+{
+ v = u32x4_max (v, (u32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 8));
+ v = u32x4_max (v, (u32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 4));
+ return v[0];
+}
+
+static_always_inline u32
+i32x4_min_scalar (i32x4 v)
+{
+ v = i32x4_min (v, (i32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 8));
+ v = i32x4_min (v, (i32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 4));
+ return v[0];
+}
+
+static_always_inline u32
+i32x4_max_scalar (i32x4 v)
+{
+ v = i32x4_max (v, (i32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 8));
+ v = i32x4_max (v, (i32x4) u8x16_align_right ((u8x16) v, (u8x16) v, 4));
+ return v[0];
+}
+
static_always_inline u16
u8x16_msb_mask (u8x16 v)
{
return _mm_movemask_epi8 ((__m128i) v);
}
+#define CLIB_HAVE_VEC128_MSB_MASK
+
#undef _signed_binop
+static_always_inline u32x4
+u32x4_byte_swap (u32x4 v)
+{
+ u8x16 swap = {
+ 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12
+ };
+ return (u32x4) _mm_shuffle_epi8 ((__m128i) v, (__m128i) swap);
+}
+
+static_always_inline u16x8
+u16x8_byte_swap (u16x8 v)
+{
+ u8x16 swap = {
+ 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14,
+ };
+ return (u16x8) _mm_shuffle_epi8 ((__m128i) v, (__m128i) swap);
+}
+
+static_always_inline u8x16
+u8x16_reflect (u8x16 v)
+{
+ u8x16 mask = {
+ 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
+ };
+ return (u8x16) _mm_shuffle_epi8 ((__m128i) v, (__m128i) mask);
+}
+
+static_always_inline u32x4
+u32x4_hadd (u32x4 v1, u32x4 v2)
+{
+ return (u32x4) _mm_hadd_epi32 ((__m128i) v1, (__m128i) v2);
+}
+
+static_always_inline u8x16
+u8x16_shuffle (u8x16 v, u8x16 m)
+{
+ return (u8x16) _mm_shuffle_epi8 ((__m128i) v, (__m128i) m);
+}
+
+static_always_inline u32x4
+u32x4_shuffle (u32x4 v, const int a, const int b, const int c, const int d)
+{
+#if defined(__clang__) || !__OPTIMIZE__
+ u32x4 r = { v[a], v[b], v[c], v[d] };
+ return r;
+#else
+ return (u32x4) _mm_shuffle_epi32 ((__m128i) v,
+ a | b << 2 | c << 4 | d << 6);
+#endif
+}
+
+/* _extend_to_ */
+/* *INDENT-OFF* */
+#define _(f,t,i) \
+static_always_inline t \
+f##_extend_to_##t (f x) \
+{ return (t) _mm_cvt##i ((__m128i) x); }
+
+_(u8x16, u16x8, epu8_epi16)
+_(u8x16, u32x4, epu8_epi32)
+_(u8x16, u64x2, epu8_epi64)
+_(u16x8, u32x4, epu16_epi32)
+_(u16x8, u64x2, epu16_epi64)
+_(u32x4, u64x2, epu32_epi64)
+
+_(i8x16, i16x8, epi8_epi16)
+_(i8x16, i32x4, epi8_epi32)
+_(i8x16, i64x2, epi8_epi64)
+_(i16x8, i32x4, epi16_epi32)
+_(i16x8, i64x2, epi16_epi64)
+_(i32x4, i64x2, epi32_epi64)
+#undef _
+/* *INDENT-ON* */
+
+static_always_inline u64x2
+u64x2_gather (void *p0, void *p1)
+{
+ u64x2 r = { *(u64 *) p0, *(u64 *) p1 };
+ return r;
+}
+
+static_always_inline u32x4
+u32x4_gather (void *p0, void *p1, void *p2, void *p3, void *p4)
+{
+ u32x4 r = { *(u32 *) p0, *(u32 *) p1, *(u32 *) p2, *(u32 *) p3 };
+ return r;
+}
+
+
+static_always_inline void
+u64x2_scatter (u64x2 r, void *p0, void *p1)
+{
+ *(u64 *) p0 = r[0];
+ *(u64 *) p1 = r[1];
+}
+
+static_always_inline void
+u32x4_scatter (u32x4 r, void *p0, void *p1, void *p2, void *p3)
+{
+ *(u32 *) p0 = r[0];
+ *(u32 *) p1 = r[1];
+ *(u32 *) p2 = r[2];
+ *(u32 *) p3 = r[3];
+}
+
+static_always_inline void
+u64x2_scatter_one (u64x2 r, int index, void *p)
+{
+ *(u64 *) p = r[index];
+}
+
+static_always_inline void
+u32x4_scatter_one (u32x4 r, int index, void *p)
+{
+ *(u32 *) p = r[index];
+}
+
+static_always_inline u8x16
+u8x16_is_greater (u8x16 v1, u8x16 v2)
+{
+ return (u8x16) _mm_cmpgt_epi8 ((__m128i) v1, (__m128i) v2);
+}
+
+static_always_inline u8x16
+u8x16_blend (u8x16 v1, u8x16 v2, u8x16 mask)
+{
+ return (u8x16) _mm_blendv_epi8 ((__m128i) v1, (__m128i) v2, (__m128i) mask);
+}
+
+
#endif /* included_vector_sse2_h */
/*
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