diff options
| author |   Damjan Marion <damarion@cisco.com> | 2019-04-02 19:06:50 +0200 |
|---|---|---|
| committer | Damjan Marion <damarion@cisco.com> | 2019-04-02 19:07:02 +0200 |
| commit | f6adf1f8dbbdfb2822c391d7d1b132d2846bf004 (patch) | |
| tree | c697e421db9762550b9d940119878d8cdc8514f6 /src/vppinfra/vector_sse42.h | |
| parent | f65074e4df47d05238e051615dbaf5d2bcbaddf2 (diff) | |
vppinfra: add u32x4 min / max sse4.2 inlines
Change-Id: I38e0be777199654ece286fdd1a42931ed99bbe8a
Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vppinfra/vector_sse42.h')
| -rw-r--r-- | src/vppinfra/vector_sse42.h | 73 |
1 files changed, 49 insertions, 24 deletions
diff --git a/src/vppinfra/vector_sse42.h b/src/vppinfra/vector_sse42.h index ee5b4dcc7df..a2d737a4892 100644 --- a/src/vppinfra/vector_sse42.h +++ b/src/vppinfra/vector_sse42.h @@ -78,6 +78,20 @@ t##s##x##c##_is_all_equal (t##s##x##c v, t##s 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 @@ -520,12 +534,6 @@ u32x4_zero_byte_mask (u32x4 x) return u8x16_compare_byte_mask ((u8x16) (x == zero)); } -always_inline u8x16 -u8x16_max (u8x16 x, u8x16 y) -{ - return (u8x16) _mm_max_epu8 ((__m128i) x, (__m128i) y); -} - always_inline u32 u8x16_max_scalar (u8x16 x) { @@ -536,12 +544,6 @@ u8x16_max_scalar (u8x16 x) 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) { @@ -552,12 +554,6 @@ 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) { @@ -567,12 +563,6 @@ 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) { @@ -582,6 +572,41 @@ 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) { |