diff mbox series

[FFmpeg-devel] (no subject)

Message ID 84c9bcf5-d740-41fa-89c2-18aa41ddba5f@myais.com.cn
State New
Headers show
Series [FFmpeg-devel] (no subject) | expand

Checks

Context Check Description
andriy/configure_x86 warning Failed to apply patch

Commit Message

Logan.Lyu Oct. 14, 2023, 8:40 a.m. UTC 
checkasm bench:
put_hevc_qpel_hv4_8_c: 422.1
put_hevc_qpel_hv4_8_i8mm: 101.6
put_hevc_qpel_hv6_8_c: 756.4
put_hevc_qpel_hv6_8_i8mm: 225.9
put_hevc_qpel_hv8_8_c: 1189.9
put_hevc_qpel_hv8_8_i8mm: 296.6
put_hevc_qpel_hv12_8_c: 2407.4
put_hevc_qpel_hv12_8_i8mm: 552.4
put_hevc_qpel_hv16_8_c: 4021.4
put_hevc_qpel_hv16_8_i8mm: 886.6
put_hevc_qpel_hv24_8_c: 8992.1
put_hevc_qpel_hv24_8_i8mm: 1968.9
put_hevc_qpel_hv32_8_c: 15197.9
put_hevc_qpel_hv32_8_i8mm: 3209.4
put_hevc_qpel_hv48_8_c: 32811.1
put_hevc_qpel_hv48_8_i8mm: 7442.1
put_hevc_qpel_hv64_8_c: 58106.1
put_hevc_qpel_hv64_8_i8mm: 12423.9

Co-Authored-By: J. Dekker <jdek@itanimul.li>
Signed-off-by: Logan Lyu <Logan.Lyu@myais.com.cn>
---
  libavcodec/aarch64/hevcdsp_init_aarch64.c |   5 +
  libavcodec/aarch64/hevcdsp_qpel_neon.S    | 397 ++++++++++++++++++++++
  2 files changed, 402 insertions(+)

+        add             sp, sp, x10         // tmp_array without first line
+        ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv48_8_neon_i8mm, export=1
+        stp             x4, x5, [sp, #-64]!
+        stp             x2, x3, [sp, #16]
+        stp             x0, x1, [sp, #32]
+        str             x30, [sp, #48]
+        bl              X(ff_hevc_put_hevc_qpel_hv24_8_neon_i8mm)
+        ldp             x4, x5, [sp]
+        ldp             x2, x3, [sp, #16]
+        ldp             x0, x1, [sp, #32]
+        add             sp, sp, #48
+        add             x1, x1, #24
+        add             x0, x0, #48
+        bl              X(ff_hevc_put_hevc_qpel_hv24_8_neon_i8mm)
+        ldr             x30, [sp], #16
+        ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv64_8_neon_i8mm, export=1
+        stp             x4, x5, [sp, #-64]!
+        stp             x2, x3, [sp, #16]
+        stp             x0, x1, [sp, #32]
+        str             x30, [sp, #48]
+        mov             x6, #32
+        bl              X(ff_hevc_put_hevc_qpel_hv32_8_neon_i8mm)
+        ldp             x4, x5, [sp]
+        ldp             x2, x3, [sp, #16]
+        ldp             x0, x1, [sp, #32]
+        add             sp, sp, #48
+        add             x1, x1, #32
+        add             x0, x0, #64
+        mov             x6, #32
+        bl              X(ff_hevc_put_hevc_qpel_hv32_8_neon_i8mm)
+        ldr             x30, [sp], #16
+        ret
+endfunc
+
  .macro QPEL_UNI_W_HV_HEADER width
          ldp             x14, x15, [sp]          // mx, my
          ldr             w13, [sp, #16]          // width
diff mbox series

Patch

diff --git a/libavcodec/aarch64/hevcdsp_init_aarch64.c 
b/libavcodec/aarch64/hevcdsp_init_aarch64.c
index f6b4c31d17..7d889efe68 100644
--- a/libavcodec/aarch64/hevcdsp_init_aarch64.c
+++ b/libavcodec/aarch64/hevcdsp_init_aarch64.c
@@ -208,6 +208,10 @@  NEON8_FNPROTO(qpel_v, (int16_t *dst,
          const uint8_t *src, ptrdiff_t srcstride,
          int height, intptr_t mx, intptr_t my, int width),);
  +NEON8_FNPROTO(qpel_hv, (int16_t *dst,
+        const uint8_t *src, ptrdiff_t srcstride,
+        int height, intptr_t mx, intptr_t my, int width), _i8mm);
+
  NEON8_FNPROTO(qpel_uni_v, (uint8_t *dst,  ptrdiff_t dststride,
          const uint8_t *src, ptrdiff_t srcstride,
          int height, intptr_t mx, intptr_t my, int width),);
@@ -335,6 +339,7 @@  av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext 
*c, const int bit_depth)
              NEON8_FNASSIGN(c->put_hevc_epel_uni, 1, 1, epel_uni_hv, 
_i8mm);
              NEON8_FNASSIGN(c->put_hevc_epel_uni_w, 0, 1, epel_uni_w_h 
,_i8mm);
              NEON8_FNASSIGN(c->put_hevc_qpel, 0, 1, qpel_h, _i8mm);
+            NEON8_FNASSIGN(c->put_hevc_qpel, 1, 1, qpel_hv, _i8mm);
              NEON8_FNASSIGN(c->put_hevc_qpel_uni, 1, 1, qpel_uni_hv, 
_i8mm);
              NEON8_FNASSIGN(c->put_hevc_qpel_uni_w, 0, 1, qpel_uni_w_h, 
_i8mm);
              NEON8_FNASSIGN(c->put_hevc_epel_uni_w, 1, 1, 
epel_uni_w_hv, _i8mm);
diff --git a/libavcodec/aarch64/hevcdsp_qpel_neon.S 
b/libavcodec/aarch64/hevcdsp_qpel_neon.S
index eff70d70a4..e4475ba920 100644
--- a/libavcodec/aarch64/hevcdsp_qpel_neon.S
+++ b/libavcodec/aarch64/hevcdsp_qpel_neon.S
@@ -3070,6 +3070,403 @@  function ff_hevc_put_hevc_qpel_h64_8_neon_i8mm, 
export=1
          ret
  endfunc
  +
+function ff_hevc_put_hevc_qpel_hv4_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        mov             x7, #128
+        lsl             x10, x10, #7
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x0, sp, #32
+        sub             x1, x1, x2, lsl #1
+        add             x3, x3, #7
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h4_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        ldr             d16, [sp]
+        ldr             d17, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             d18, [sp]
+        ldr             d19, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             d20, [sp]
+        ldr             d21, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             d22, [sp]
+        add             sp, sp, x7
+.macro calc tmp, src0, src1, src2, src3, src4, src5, src6, src7
+        ld1             {\tmp\().4h}, [sp], x7
+        calc_qpelh      v1, \src0, \src1, \src2, \src3, \src4, \src5, 
\src6, \src7, sqshrn
+        subs            w3, w3, #1
+        st1             {v1.4h}, [x0], x7
+.endm
+1:      calc_all
+.purgem calc
+2:      ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv6_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        mov             x7, #128
+        lsl             x10, x10, #7
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x0, sp, #32
+        sub             x1, x1, x2, lsl #1
+        add             x3, x3, #7
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h6_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x8, #120
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        ldr             q16, [sp]
+        ldr             q17, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q18, [sp]
+        ldr             q19, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q20, [sp]
+        ldr             q21, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q22, [sp]
+        add             sp, sp, x7
+.macro calc tmp, src0, src1, src2, src3, src4, src5, src6, src7
+        ld1             {\tmp\().8h}, [sp], x7
+        calc_qpelh      v1, \src0, \src1, \src2, \src3, \src4, \src5, 
\src6, \src7, sqshrn
+        calc_qpelh2     v1, v2, \src0, \src1, \src2, \src3, \src4, 
\src5, \src6, \src7, sqshrn2
+        st1             {v1.4h}, [x0], #8
+        subs            w3, w3, #1
+        st1             {v1.s}[2], [x0], x8
+.endm
+1:      calc_all
+.purgem calc
+2:      ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv8_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        lsl             x10, x10, #7
+        sub             x1, x1, x2, lsl #1
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x0, sp, #32
+        add             x3, x3, #7
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h8_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x7, #128
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        ldr             q16, [sp]
+        ldr             q17, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q18, [sp]
+        ldr             q19, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q20, [sp]
+        ldr             q21, [sp, x7]
+        add             sp, sp, x7, lsl #1
+        ldr             q22, [sp]
+        add             sp, sp, x7
+.macro calc tmp, src0, src1, src2, src3, src4, src5, src6, src7
+        ld1            {\tmp\().8h}, [sp], x7
+        calc_qpelh      v1, \src0, \src1, \src2, \src3, \src4, \src5, 
\src6, \src7, sqshrn
+        calc_qpelh2     v1, v2, \src0, \src1, \src2, \src3, \src4, 
\src5, \src6, \src7, sqshrn2
+        subs            w3, w3, #1
+        st1            {v1.8h}, [x0], x7
+.endm
+1:      calc_all
+.purgem calc
+2:      ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv12_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        lsl             x10, x10, #7
+        sub             x1, x1, x2, lsl #1
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x0, sp, #32
+        add             x3, x3, #7
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h12_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x7, #128
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        mov             x8, #112
+        ld1             {v16.8h, v17.8h}, [sp], x7
+        ld1             {v18.8h, v19.8h}, [sp], x7
+        ld1             {v20.8h, v21.8h}, [sp], x7
+        ld1             {v22.8h, v23.8h}, [sp], x7
+        ld1             {v24.8h, v25.8h}, [sp], x7
+        ld1             {v26.8h, v27.8h}, [sp], x7
+        ld1             {v28.8h, v29.8h}, [sp], x7
+.macro calc tmp0, tmp1, src0, src1, src2, src3, src4, src5, src6, src7, 
src8, src9, src10, src11, src12, src13, src14, src15
+        ld1             {\tmp0\().8h, \tmp1\().8h}, [sp], x7
+        calc_qpelh      v1,     \src0,  \src1, \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn
+        calc_qpelh2     v1, v2, \src0, \src1,  \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn2
+        calc_qpelh      v2,     \src8, \src9, \src10, \src11, \src12, 
\src13, \src14, \src15, sqshrn
+        st1             {v1.8h}, [x0], #16
+        subs            w3, w3, #1
+        st1             {v2.4h}, [x0], x8
+.endm
+1:      calc_all2
+.purgem calc
+2:      ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv16_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        lsl             x10, x10, #7
+        sub             x1, x1, x2, lsl #1
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x3, x3, #7
+        add             x0, sp, #32
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h16_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x7, #128
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        ld1             {v16.8h, v17.8h}, [sp], x7
+        ld1             {v18.8h, v19.8h}, [sp], x7
+        ld1             {v20.8h, v21.8h}, [sp], x7
+        ld1             {v22.8h, v23.8h}, [sp], x7
+        ld1             {v24.8h, v25.8h}, [sp], x7
+        ld1             {v26.8h, v27.8h}, [sp], x7
+        ld1             {v28.8h, v29.8h}, [sp], x7
+.macro calc tmp0, tmp1, src0, src1, src2, src3, src4, src5, src6, src7, 
src8, src9, src10, src11, src12, src13, src14, src15
+        ld1             {\tmp0\().8h, \tmp1\().8h}, [sp], x7
+        calc_qpelh      v1,     \src0,  \src1, \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn
+        calc_qpelh2     v1, v2, \src0, \src1,  \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn2
+        calc_qpelh      v2,     \src8, \src9, \src10, \src11, \src12, 
\src13, \src14, \src15, sqshrn
+        calc_qpelh2     v2, v3, \src8, \src9, \src10, \src11, \src12, 
\src13, \src14, \src15, sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h, v2.8h}, [x0], x7
+.endm
+1:      calc_all2
+.purgem calc
+2:      ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv24_8_neon_i8mm, export=1
+        sub             sp, sp, #32
+        st1             {v8.8b-v11.8b}, [sp]
+        sub             x1, x1, x2, lsl #1
+        sub             sp, sp, #32
+        add             w10, w3, #7
+        st1             {v12.8b-v15.8b}, [sp]
+        lsl             x10, x10, #7
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x0, sp, #32
+        add             x3, x3, #7
+        sub             x1, x1, x2
+        bl              X(ff_hevc_put_hevc_qpel_h24_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x7, #128
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+        ld1             {v8.8h-v10.8h}, [sp], x7
+        ld1             {v11.8h-v13.8h}, [sp], x7
+        ld1             {v14.8h-v16.8h}, [sp], x7
+        ld1             {v17.8h-v19.8h}, [sp], x7
+        ld1             {v20.8h-v22.8h}, [sp], x7
+        ld1             {v23.8h-v25.8h}, [sp], x7
+        ld1             {v26.8h-v28.8h}, [sp], x7
+1:      ld1             {v29.8h-v31.8h}, [sp], x7
+        calc_qpelh      v1, v8, v11, v14, v17, v20, v23, v26, v29, sqshrn
+        calc_qpelh2     v1, v2, v8, v11, v14, v17, v20, v23, v26, v29, 
sqshrn2
+        calc_qpelh      v2, v9, v12, v15, v18, v21, v24, v27, v30, sqshrn
+        calc_qpelh2     v2, v3, v9, v12, v15, v18, v21, v24, v27, v30, 
sqshrn2
+        calc_qpelh      v3, v10, v13, v16, v19, v22, v25, v28, v31, sqshrn
+        calc_qpelh2     v3, v4, v10, v13, v16, v19, v22, v25, v28, v31, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v8.8h-v10.8h}, [sp], x7
+        calc_qpelh      v1, v11, v14, v17, v20, v23, v26, v29, v8, sqshrn
+        calc_qpelh2     v1, v2, v11, v14, v17, v20, v23, v26, v29, v8, 
sqshrn2
+        calc_qpelh      v2, v12, v15, v18, v21, v24, v27, v30, v9, sqshrn
+        calc_qpelh2     v2, v3, v12, v15, v18, v21, v24, v27, v30, v9, 
sqshrn2
+        calc_qpelh      v3, v13, v16, v19, v22, v25, v28, v31, v10, sqshrn
+        calc_qpelh2     v3, v4, v13, v16, v19, v22, v25, v28, v31, v10, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v11.8h-v13.8h}, [sp], x7
+        calc_qpelh      v1, v14, v17, v20, v23, v26, v29, v8, v11, sqshrn
+        calc_qpelh2     v1, v2, v14, v17, v20, v23, v26, v29, v8, v11, 
sqshrn2
+        calc_qpelh      v2, v15, v18, v21, v24, v27, v30, v9, v12, sqshrn
+        calc_qpelh2     v2, v3, v15, v18, v21, v24, v27, v30, v9, v12, 
sqshrn2
+        calc_qpelh      v3, v16, v19, v22, v25, v28, v31, v10, v13, sqshrn
+        calc_qpelh2     v3, v4, v16, v19, v22, v25, v28, v31, v10, v13, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v14.8h-v16.8h}, [sp], x7
+        calc_qpelh      v1, v17, v20, v23, v26, v29, v8, v11, v14, sqshrn
+        calc_qpelh2     v1, v2, v17, v20, v23, v26, v29, v8, v11, v14, 
sqshrn2
+        calc_qpelh      v2, v18, v21, v24, v27, v30, v9, v12, v15, sqshrn
+        calc_qpelh2     v2, v3, v18, v21, v24, v27, v30, v9, v12, v15, 
sqshrn2
+        calc_qpelh      v3, v19, v22, v25, v28, v31, v10, v13, v16, sqshrn
+        calc_qpelh2     v3, v4, v19, v22, v25, v28, v31, v10, v13, v16, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v17.8h-v19.8h}, [sp], x7
+        calc_qpelh      v1, v20, v23, v26, v29, v8, v11, v14, v17, sqshrn
+        calc_qpelh2     v1, v2, v20, v23, v26, v29, v8, v11, v14, v17, 
sqshrn2
+        calc_qpelh      v2, v21, v24, v27, v30, v9, v12, v15, v18, sqshrn
+        calc_qpelh2     v2, v3, v21, v24, v27, v30, v9, v12, v15, v18, 
sqshrn2
+        calc_qpelh      v3, v22, v25, v28, v31, v10, v13, v16, v19, sqshrn
+        calc_qpelh2     v3, v4, v22, v25, v28, v31, v10, v13, v16, v19, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v20.8h-v22.8h}, [sp], x7
+        calc_qpelh      v1, v23, v26, v29, v8, v11, v14, v17, v20, sqshrn
+        calc_qpelh2     v1, v2, v23, v26, v29, v8, v11, v14, v17, v20, 
sqshrn2
+        calc_qpelh      v2, v24, v27, v30, v9, v12, v15, v18, v21, sqshrn
+        calc_qpelh2     v2, v3, v24, v27, v30, v9, v12, v15, v18, v21, 
sqshrn2
+        calc_qpelh      v3, v25, v28, v31, v10, v13, v16, v19, v22, sqshrn
+        calc_qpelh2     v3, v4, v25, v28, v31, v10, v13, v16, v19, v22, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v23.8h-v25.8h}, [sp], x7
+        calc_qpelh      v1, v26, v29, v8, v11, v14, v17, v20, v23, sqshrn
+        calc_qpelh2     v1, v2, v26, v29, v8, v11, v14, v17, v20, v23, 
sqshrn2
+        calc_qpelh      v2, v27, v30, v9, v12, v15, v18, v21, v24, sqshrn
+        calc_qpelh2     v2, v3, v27, v30, v9, v12, v15, v18, v21, v24, 
sqshrn2
+        calc_qpelh      v3, v28, v31, v10, v13, v16, v19, v22, v25, sqshrn
+        calc_qpelh2     v3, v4, v28, v31, v10, v13, v16, v19, v22, v25, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.eq            2f
+
+        ld1             {v26.8h-v28.8h}, [sp], x7
+        calc_qpelh      v1, v29, v8, v11, v14, v17, v20, v23, v26, sqshrn
+        calc_qpelh2     v1, v2, v29, v8, v11, v14, v17, v20, v23, v26, 
sqshrn2
+        calc_qpelh      v2, v30, v9, v12, v15, v18, v21, v24, v27, sqshrn
+        calc_qpelh2     v2, v3, v30, v9, v12, v15, v18, v21, v24, v27, 
sqshrn2
+        calc_qpelh      v3, v31, v10, v13, v16, v19, v22, v25, v28, sqshrn
+        calc_qpelh2     v3, v4, v31, v10, v13, v16, v19, v22, v25, v28, 
sqshrn2
+        subs            w3, w3, #1
+        st1             {v1.8h-v3.8h}, [x0], x7
+        b.hi            1b
+2:      ld1             {v12.8b-v15.8b}, [sp], #32
+        ld1             {v8.8b-v11.8b}, [sp], #32
+        ret
+endfunc
+
+function ff_hevc_put_hevc_qpel_hv32_8_neon_i8mm, export=1
+        add             w10, w3, #7
+        sub             x1, x1, x2, lsl #1
+        lsl             x10, x10, #7
+        sub             x1, x1, x2
+        sub             sp, sp, x10         // tmp_array
+        stp             x5, x30, [sp, #-32]!
+        stp             x0, x3, [sp, #16]
+        add             x3, x3, #7
+        add             x0, sp, #32
+        bl              X(ff_hevc_put_hevc_qpel_h32_8_neon_i8mm)
+        ldp             x5, x30, [sp]
+        mov             x7, #128
+        ldp             x0, x3, [sp, #16]
+        add             sp, sp, #32
+        load_qpel_filterh x5, x4
+0:      mov             x8, sp          // src
+        ld1             {v16.8h, v17.8h}, [x8], x7
+        mov             w9, w3          // height
+        ld1             {v18.8h, v19.8h}, [x8], x7
+        mov             x5, x0          // dst
+        ld1             {v20.8h, v21.8h}, [x8], x7
+        ld1             {v22.8h, v23.8h}, [x8], x7
+        ld1             {v24.8h, v25.8h}, [x8], x7
+        ld1             {v26.8h, v27.8h}, [x8], x7
+        ld1             {v28.8h, v29.8h}, [x8], x7
+.macro calc tmp0, tmp1, src0, src1, src2, src3, src4, src5, src6, src7, 
src8, src9, src10, src11, src12, src13, src14, src15
+        ld1             {\tmp0\().8h, \tmp1\().8h}, [x8], x7
+        calc_qpelh      v1,     \src0,  \src1, \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn
+        calc_qpelh2     v1, v2, \src0, \src1,  \src2,  \src3,  \src4, 
\src5,  \src6,  \src7, sqshrn2
+        calc_qpelh      v2,     \src8, \src9, \src10, \src11, \src12, 
\src13, \src14, \src15, sqshrn
+        calc_qpelh2     v2, v3, \src8, \src9, \src10, \src11, \src12, 
\src13, \src14, \src15, sqshrn2
+        subs            x9, x9, #1
+        st1             {v1.8h, v2.8h}, [x5], x7
+.endm
+1:      calc_all2
+.purgem calc
+2:      add             x0, x0, #32
+        add             sp, sp, #32
+        subs            w6, w6, #16
+        b.hi            0b
+        add             w10, w3, #6
+        add             sp, sp, #64          // discard rest of first line
+        lsl             x10, x10, #7