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+/*
+ * Copyright (c) 2016 Google Inc.
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "libavutil/aarch64/asm.S"
+
+// All public functions in this file have the following signature:
+// typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
+// const uint8_t *ref, ptrdiff_t ref_stride,
+// int h, int mx, int my);
+
+function ff_vp9_avg64_neon, export=1
+ mov x5, x0
+1:
+ ld1 {v4.16b, v5.16b, v6.16b, v7.16b}, [x2], x3
+ ld1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x0], x1
+ ld1 {v20.16b, v21.16b, v22.16b, v23.16b}, [x2], x3
+ urhadd v0.16b, v0.16b, v4.16b
+ urhadd v1.16b, v1.16b, v5.16b
+ ld1 {v16.16b, v17.16b, v18.16b, v19.16b}, [x0], x1
+ urhadd v2.16b, v2.16b, v6.16b
+ urhadd v3.16b, v3.16b, v7.16b
+ subs w4, w4, #2
+ urhadd v16.16b, v16.16b, v20.16b
+ urhadd v17.16b, v17.16b, v21.16b
+ st1 {v0.16b, v1.16b, v2.16b, v3.16b}, [x5], x1
+ urhadd v18.16b, v18.16b, v22.16b
+ urhadd v19.16b, v19.16b, v23.16b
+ st1 {v16.16b, v17.16b, v18.16b, v19.16b}, [x5], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_avg32_neon, export=1
+1:
+ ld1 {v2.16b, v3.16b}, [x2], x3
+ ld1 {v0.16b, v1.16b}, [x0]
+ urhadd v0.16b, v0.16b, v2.16b
+ urhadd v1.16b, v1.16b, v3.16b
+ subs w4, w4, #1
+ st1 {v0.16b, v1.16b}, [x0], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_copy16_neon, export=1
+ add x5, x0, x1
+ lsl x1, x1, #1
+ add x6, x2, x3
+ lsl x3, x3, #1
+1:
+ ld1 {v0.16b}, [x2], x3
+ ld1 {v1.16b}, [x6], x3
+ ld1 {v2.16b}, [x2], x3
+ ld1 {v3.16b}, [x6], x3
+ subs w4, w4, #4
+ st1 {v0.16b}, [x0], x1
+ st1 {v1.16b}, [x5], x1
+ st1 {v2.16b}, [x0], x1
+ st1 {v3.16b}, [x5], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_avg16_neon, export=1
+ mov x5, x0
+1:
+ ld1 {v2.16b}, [x2], x3
+ ld1 {v0.16b}, [x0], x1
+ ld1 {v3.16b}, [x2], x3
+ urhadd v0.16b, v0.16b, v2.16b
+ ld1 {v1.16b}, [x0], x1
+ urhadd v1.16b, v1.16b, v3.16b
+ subs w4, w4, #2
+ st1 {v0.16b}, [x5], x1
+ st1 {v1.16b}, [x5], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_copy8_neon, export=1
+1:
+ ld1 {v0.8b}, [x2], x3
+ ld1 {v1.8b}, [x2], x3
+ subs w4, w4, #2
+ st1 {v0.8b}, [x0], x1
+ st1 {v1.8b}, [x0], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_avg8_neon, export=1
+ mov x5, x0
+1:
+ ld1 {v2.8b}, [x2], x3
+ ld1 {v0.8b}, [x0], x1
+ ld1 {v3.8b}, [x2], x3
+ urhadd v0.8b, v0.8b, v2.8b
+ ld1 {v1.8b}, [x0], x1
+ urhadd v1.8b, v1.8b, v3.8b
+ subs w4, w4, #2
+ st1 {v0.8b}, [x5], x1
+ st1 {v1.8b}, [x5], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_copy4_neon, export=1
+1:
+ ld1 {v0.s}[0], [x2], x3
+ ld1 {v1.s}[0], [x2], x3
+ st1 {v0.s}[0], [x0], x1
+ ld1 {v2.s}[0], [x2], x3
+ st1 {v1.s}[0], [x0], x1
+ ld1 {v3.s}[0], [x2], x3
+ subs w4, w4, #4
+ st1 {v2.s}[0], [x0], x1
+ st1 {v3.s}[0], [x0], x1
+ b.ne 1b
+ ret
+endfunc
+
+function ff_vp9_avg4_neon, export=1
+ mov x5, x0
+1:
+ ld1 {v2.s}[0], [x2], x3
+ ld1 {v0.s}[0], [x0], x1
+ ld1 {v2.s}[1], [x2], x3
+ ld1 {v0.s}[1], [x0], x1
+ ld1 {v3.s}[0], [x2], x3
+ ld1 {v1.s}[0], [x0], x1
+ ld1 {v3.s}[1], [x2], x3
+ ld1 {v1.s}[1], [x0], x1
+ subs w4, w4, #4
+ urhadd v0.8b, v0.8b, v2.8b
+ urhadd v1.8b, v1.8b, v3.8b
+ st1 {v0.s}[0], [x5], x1
+ st1 {v0.s}[1], [x5], x1
+ st1 {v1.s}[0], [x5], x1
+ st1 {v1.s}[1], [x5], x1
+ b.ne 1b
+ ret
+endfunc
+
+
+// Extract a vector from src1-src2 and src4-src5 (src1-src3 and src4-src6
+// for size >= 16), and multiply-accumulate into dst1 and dst3 (or
+// dst1-dst2 and dst3-dst4 for size >= 16)
+.macro extmla dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, offset, size
+ ext v20.16b, \src1\().16b, \src2\().16b, #(2*\offset)
+ ext v22.16b, \src4\().16b, \src5\().16b, #(2*\offset)
+.if \size >= 16
+ mla \dst1\().8h, v20.8h, v0.h[\offset]
+ ext v21.16b, \src2\().16b, \src3\().16b, #(2*\offset)
+ mla \dst3\().8h, v22.8h, v0.h[\offset]
+ ext v23.16b, \src5\().16b, \src6\().16b, #(2*\offset)
+ mla \dst2\().8h, v21.8h, v0.h[\offset]
+ mla \dst4\().8h, v23.8h, v0.h[\offset]
+.elseif \size == 8
+ mla \dst1\().8h, v20.8h, v0.h[\offset]
+ mla \dst3\().8h, v22.8h, v0.h[\offset]
+.else
+ mla \dst1\().4h, v20.4h, v0.h[\offset]
+ mla \dst3\().4h, v22.4h, v0.h[\offset]
+.endif
+.endm
+// The same as above, but don't accumulate straight into the
+// destination, but use a temp register and accumulate with saturation.
+.macro extmulqadd dst1, dst2, dst3, dst4, src1, src2, src3, src4, src5, src6, offset, size
+ ext v20.16b, \src1\().16b, \src2\().16b, #(2*\offset)
+ ext v22.16b, \src4\().16b, \src5\().16b, #(2*\offset)
+.if \size >= 16
+ mul v20.8h, v20.8h, v0.h[\offset]
+ ext v21.16b, \src2\().16b, \src3\().16b, #(2*\offset)
+ mul v22.8h, v22.8h, v0.h[\offset]
+ ext v23.16b, \src5\().16b, \src6\().16b, #(2*\offset)
+ mul v21.8h, v21.8h, v0.h[\offset]
+ mul v23.8h, v23.8h, v0.h[\offset]
+.elseif \size == 8
+ mul v20.8h, v20.8h, v0.h[\offset]
+ mul v22.8h, v22.8h, v0.h[\offset]
+.else
+ mul v20.4h, v20.4h, v0.h[\offset]
+ mul v22.4h, v22.4h, v0.h[\offset]
+.endif
+.if \size == 4
+ sqadd \dst1\().4h, \dst1\().4h, v20.4h
+ sqadd \dst3\().4h, \dst3\().4h, v22.4h
+.else
+ sqadd \dst1\().8h, \dst1\().8h, v20.8h
+ sqadd \dst3\().8h, \dst3\().8h, v22.8h
+.if \size >= 16
+ sqadd \dst2\().8h, \dst2\().8h, v21.8h
+ sqadd \dst4\().8h, \dst4\().8h, v23.8h
+.endif
+.endif
+.endm
+
+
+// Instantiate a horizontal filter function for the given size.
+// This can work on 4, 8 or 16 pixels in parallel; for larger
+// widths it will do 16 pixels at a time and loop horizontally.
+// The actual width is passed in x5, the height in w4 and the
+// filter coefficients in x9. idx2 is the index of the largest
+// filter coefficient (3 or 4) and idx1 is the other one of them.
+.macro do_8tap_h type, size, idx1, idx2
+function \type\()_8tap_\size\()h_\idx1\idx2
+ sub x2, x2, #3
+ add x6, x0, x1
+ add x7, x2, x3
+ add x1, x1, x1
+ add x3, x3, x3
+ // Only size >= 16 loops horizontally and needs
+ // reduced dst stride
+.if \size >= 16
+ sub x1, x1, x5
+.endif
+ // size >= 16 loads two qwords and increments x2,
+ // for size 4/8 it's enough with one qword and no
+ // postincrement
+.if \size >= 16
+ sub x3, x3, x5
+ sub x3, x3, #8
+.endif
+ // Load the filter vector
+ ld1 {v0.8h}, [x9]
+1:
+.if \size >= 16
+ mov x9, x5
+.endif
+ // Load src
+.if \size >= 16
+ ld1 {v4.8b, v5.8b, v6.8b}, [x2], #24
+ ld1 {v16.8b, v17.8b, v18.8b}, [x7], #24
+.else
+ ld1 {v4.8b, v5.8b}, [x2]
+ ld1 {v16.8b, v17.8b}, [x7]
+.endif
+ uxtl v4.8h, v4.8b
+ uxtl v5.8h, v5.8b
+ uxtl v16.8h, v16.8b
+ uxtl v17.8h, v17.8b
+.if \size >= 16
+ uxtl v6.8h, v6.8b
+ uxtl v18.8h, v18.8b
+.endif
+2:
+
+ // Accumulate, adding idx2 last with a separate
+ // saturating add. The positive filter coefficients
+ // for all indices except idx2 must add up to less
+ // than 127 for this not to overflow.
+ mul v1.8h, v4.8h, v0.h[0]
+ mul v24.8h, v16.8h, v0.h[0]
+.if \size >= 16
+ mul v2.8h, v5.8h, v0.h[0]
+ mul v25.8h, v17.8h, v0.h[0]
+.endif
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 1, \size
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 2, \size
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, \idx1, \size
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 5, \size
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 6, \size
+ extmla v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, 7, \size
+ extmulqadd v1, v2, v24, v25, v4, v5, v6, v16, v17, v18, \idx2, \size
+
+ // Round, shift and saturate
+ sqrshrun v1.8b, v1.8h, #7
+ sqrshrun v24.8b, v24.8h, #7
+.if \size >= 16
+ sqrshrun2 v1.16b, v2.8h, #7
+ sqrshrun2 v24.16b, v25.8h, #7
+.endif
+ // Average
+.ifc \type,avg
+.if \size >= 16
+ ld1 {v2.16b}, [x0]
+ ld1 {v3.16b}, [x6]
+ urhadd v1.16b, v1.16b, v2.16b
+ urhadd v24.16b, v24.16b, v3.16b
+.elseif \size == 8
+ ld1 {v2.8b}, [x0]
+ ld1 {v3.8b}, [x6]
+ urhadd v1.8b, v1.8b, v2.8b
+ urhadd v24.8b, v24.8b, v3.8b
+.else
+ ld1 {v2.s}[0], [x0]
+ ld1 {v3.s}[0], [x6]
+ urhadd v1.8b, v1.8b, v2.8b
+ urhadd v24.8b, v24.8b, v3.8b
+.endif
+.endif
+ // Store and loop horizontally (for size >= 16)
+.if \size >= 16
+ subs x9, x9, #16
+ st1 {v1.16b}, [x0], #16
+ st1 {v24.16b}, [x6], #16
+ b.eq 3f
+ mov v4.16b, v6.16b
+ mov v16.16b, v18.16b
+ ld1 {v6.16b}, [x2], #16
+ ld1 {v18.16b}, [x7], #16
+ uxtl v5.8h, v6.8b
+ uxtl2 v6.8h, v6.16b
+ uxtl v17.8h, v18.8b
+ uxtl2 v18.8h, v18.16b
+ b 2b
+.elseif \size == 8
+ st1 {v1.8b}, [x0]
+ st1 {v24.8b}, [x6]
+.else // \size == 4
+ st1 {v1.s}[0], [x0]
+ st1 {v24.s}[0], [x6]
+.endif
+3:
+ // Loop vertically
+ add x0, x0, x1
+ add x6, x6, x1
+ add x2, x2, x3
+ add x7, x7, x3
+ subs w4, w4, #2
+ b.ne 1b
+ ret
+endfunc
+.endm
+
+.macro do_8tap_h_size size
+do_8tap_h put, \size, 3, 4
+do_8tap_h avg, \size, 3, 4
+do_8tap_h put, \size, 4, 3
+do_8tap_h avg, \size, 4, 3
+.endm
+
+do_8tap_h_size 4
+do_8tap_h_size 8
+do_8tap_h_size 16
+
+.macro do_8tap_h_func type, filter, offset, size
+function ff_vp9_\type\()_\filter\()\size\()_h_neon, export=1
+ movrel x6, X(ff_vp9_subpel_filters), 256*\offset
+ cmp w5, #8
+ add x9, x6, w5, uxtw #4
+ mov x5, #\size
+.if \size >= 16
+ b.ge \type\()_8tap_16h_34
+ b \type\()_8tap_16h_43
+.else
+ b.ge \type\()_8tap_\size\()h_34
+ b \type\()_8tap_\size\()h_43
+.endif
+endfunc
+.endm
+
+.macro do_8tap_h_filters size
+do_8tap_h_func put, regular, 1, \size
+do_8tap_h_func avg, regular, 1, \size
+do_8tap_h_func put, sharp, 2, \size
+do_8tap_h_func avg, sharp, 2, \size
+do_8tap_h_func put, smooth, 0, \size
+do_8tap_h_func avg, smooth, 0, \size
+.endm
+
+do_8tap_h_filters 64
+do_8tap_h_filters 32
+do_8tap_h_filters 16
+do_8tap_h_filters 8
+do_8tap_h_filters 4
+
+
+// Vertical filters
+
+// Round, shift and saturate and store reg1-reg2 over 4 lines
+.macro do_store4 reg1, reg2, tmp1, tmp2, type
+ sqrshrun \reg1\().8b, \reg1\().8h, #7
+ sqrshrun \reg2\().8b, \reg2\().8h, #7
+.ifc \type,avg
+ ld1 {\tmp1\().s}[0], [x7], x1
+ ld1 {\tmp2\().s}[0], [x7], x1
+ ld1 {\tmp1\().s}[1], [x7], x1
+ ld1 {\tmp2\().s}[1], [x7], x1
+ urhadd \reg1\().8b, \reg1\().8b, \tmp1\().8b
+ urhadd \reg2\().8b, \reg2\().8b, \tmp2\().8b
+.endif
+ st1 {\reg1\().s}[0], [x0], x1
+ st1 {\reg2\().s}[0], [x0], x1
+ st1 {\reg1\().s}[1], [x0], x1
+ st1 {\reg2\().s}[1], [x0], x1
+.endm
+
+// Round, shift and saturate and store reg1-4
+.macro do_store reg1, reg2, reg3, reg4, tmp1, tmp2, tmp3, tmp4, type
+ sqrshrun \reg1\().8b, \reg1\().8h, #7
+ sqrshrun \reg2\().8b, \reg2\().8h, #7
+ sqrshrun \reg3\().8b, \reg3\().8h, #7
+ sqrshrun \reg4\().8b, \reg4\().8h, #7
+.ifc \type,avg
+ ld1 {\tmp1\().8b}, [x7], x1
+ ld1 {\tmp2\().8b}, [x7], x1
+ ld1 {\tmp3\().8b}, [x7], x1
+ ld1 {\tmp4\().8b}, [x7], x1
+ urhadd \reg1\().8b, \reg1\().8b, \tmp1\().8b
+ urhadd \reg2\().8b, \reg2\().8b, \tmp2\().8b
+ urhadd \reg3\().8b, \reg3\().8b, \tmp3\().8b
+ urhadd \reg4\().8b, \reg4\().8b, \tmp4\().8b
+.endif
+ st1 {\reg1\().8b}, [x0], x1
+ st1 {\reg2\().8b}, [x0], x1
+ st1 {\reg3\().8b}, [x0], x1
+ st1 {\reg4\().8b}, [x0], x1
+.endm
+
+// Evaluate the filter twice in parallel, from the inputs src1-src9 into dst1-dst2
+// (src1-src8 into dst1, src2-src9 into dst2), adding idx2 separately
+// at the end with saturation. Indices 0 and 7 always have negative or zero
+// coefficients, so they can be accumulated into tmp1-tmp2 together with the
+// largest coefficient.
+.macro convolve dst1, dst2, src1, src2, src3, src4, src5, src6, src7, src8, src9, idx1, idx2, tmp1, tmp2
+ mul \dst1\().8h, \src2\().8h, v0.h[1]
+ mul \dst2\().8h, \src3\().8h, v0.h[1]
+ mul \tmp1\().8h, \src1\().8h, v0.h[0]
+ mul \tmp2\().8h, \src2\().8h, v0.h[0]
+ mla \dst1\().8h, \src3\().8h, v0.h[2]
+ mla \dst2\().8h, \src4\().8h, v0.h[2]
+.if \idx1 == 3
+ mla \dst1\().8h, \src4\().8h, v0.h[3]
+ mla \dst2\().8h, \src5\().8h, v0.h[3]
+.else
+ mla \dst1\().8h, \src5\().8h, v0.h[4]
+ mla \dst2\().8h, \src6\().8h, v0.h[4]
+.endif
+ mla \dst1\().8h, \src6\().8h, v0.h[5]
+ mla \dst2\().8h, \src7\().8h, v0.h[5]
+ mla \tmp1\().8h, \src8\().8h, v0.h[7]
+ mla \tmp2\().8h, \src9\().8h, v0.h[7]
+ mla \dst1\().8h, \src7\().8h, v0.h[6]
+ mla \dst2\().8h, \src8\().8h, v0.h[6]
+.if \idx2 == 3
+ mla \tmp1\().8h, \src4\().8h, v0.h[3]
+ mla \tmp2\().8h, \src5\().8h, v0.h[3]
+.else
+ mla \tmp1\().8h, \src5\().8h, v0.h[4]
+ mla \tmp2\().8h, \src6\().8h, v0.h[4]
+.endif
+ sqadd \dst1\().8h, \dst1\().8h, \tmp1\().8h
+ sqadd \dst2\().8h, \dst2\().8h, \tmp2\().8h
+.endm
+
+// Load pixels and extend them to 16 bit
+.macro loadl dst1, dst2, dst3, dst4
+ ld1 {v1.8b}, [x2], x3
+ ld1 {v2.8b}, [x2], x3
+ ld1 {v3.8b}, [x2], x3
+.ifnb \dst4
+ ld1 {v4.8b}, [x2], x3
+.endif
+ uxtl \dst1\().8h, v1.8b
+ uxtl \dst2\().8h, v2.8b
+ uxtl \dst3\().8h, v3.8b
+.ifnb \dst4
+ uxtl \dst4\().8h, v4.8b
+.endif
+.endm
+
+// Instantiate a vertical filter function for filtering 8 pixels at a time.
+// The height is passed in x4, the width in x5 and the filter coefficients
+// in x6. idx2 is the index of the largest filter coefficient (3 or 4)
+// and idx1 is the other one of them.
+.macro do_8tap_8v type, idx1, idx2
+function \type\()_8tap_8v_\idx1\idx2
+ sub x2, x2, x3, lsl #1
+ sub x2, x2, x3
+ ld1 {v0.8h}, [x6]
+1:
+.ifc \type,avg
+ mov x7, x0
+.endif
+ mov x6, x4
+
+ loadl v17, v18, v19
+
+ loadl v20, v21, v22, v23
+2:
+ loadl v24, v25, v26, v27
+ convolve v1, v2, v17, v18, v19, v20, v21, v22, v23, v24, v25, \idx1, \idx2, v5, v6
+ convolve v3, v4, v19, v20, v21, v22, v23, v24, v25, v26, v27, \idx1, \idx2, v5, v6
+ do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
+
+ subs x6, x6, #4
+ b.eq 8f
+
+ loadl v16, v17, v18, v19
+ convolve v1, v2, v21, v22, v23, v24, v25, v26, v27, v16, v17, \idx1, \idx2, v5, v6
+ convolve v3, v4, v23, v24, v25, v26, v27, v16, v17, v18, v19, \idx1, \idx2, v5, v6
+ do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
+
+ subs x6, x6, #4
+ b.eq 8f
+
+ loadl v20, v21, v22, v23
+ convolve v1, v2, v25, v26, v27, v16, v17, v18, v19, v20, v21, \idx1, \idx2, v5, v6
+ convolve v3, v4, v27, v16, v17, v18, v19, v20, v21, v22, v23, \idx1, \idx2, v5, v6
+ do_store v1, v2, v3, v4, v5, v6, v7, v28, \type
+
+ subs x6, x6, #4
+ b.ne 2b
+
+8:
+ subs x5, x5, #8
+ b.eq 9f
+ // x0 -= h * dst_stride
+ msub x0, x1, x4, x0
+ // x2 -= h * src_stride
+ msub x2, x3, x4, x2
+ // x2 -= 8 * src_stride
+ sub x2, x2, x3, lsl #3
+ // x2 += 1 * src_stride
+ add x2, x2, x3
+ add x2, x2, #8
+ add x0, x0, #8
+ b 1b
+9:
+ ret
+endfunc
+.endm
+
+do_8tap_8v put, 3, 4
+do_8tap_8v put, 4, 3
+do_8tap_8v avg, 3, 4
+do_8tap_8v avg, 4, 3
+
+
+// Instantiate a vertical filter function for filtering a 4 pixels wide
+// slice. The first half of the registers contain one row, while the second
+// half of a register contains the second-next row (also stored in the first
+// half of the register two steps ahead). The convolution does two outputs
+// at a time; the output of v17-v24 into one, and v18-v25 into another one.
+// The first half of first output is the first output row, the first half
+// of the other output is the second output row. The second halves of the
+// registers are rows 3 and 4.
+// This only is designed to work for 4 or 8 output lines.
+.macro do_8tap_4v type, idx1, idx2
+function \type\()_8tap_4v_\idx1\idx2
+ sub x2, x2, x3, lsl #1
+ sub x2, x2, x3
+ ld1 {v0.8h}, [x6]
+.ifc \type,avg
+ mov x7, x0
+.endif
+
+ ld1 {v1.s}[0], [x2], x3
+ ld1 {v2.s}[0], [x2], x3
+ ld1 {v3.s}[0], [x2], x3
+ ld1 {v4.s}[0], [x2], x3
+ ld1 {v5.s}[0], [x2], x3
+ ld1 {v6.s}[0], [x2], x3
+ trn1 v1.2s, v1.2s, v3.2s
+ ld1 {v7.s}[0], [x2], x3
+ trn1 v2.2s, v2.2s, v4.2s
+ ld1 {v26.s}[0], [x2], x3
+ uxtl v17.8h, v1.8b
+ trn1 v3.2s, v3.2s, v5.2s
+ ld1 {v27.s}[0], [x2], x3
+ uxtl v18.8h, v2.8b
+ trn1 v4.2s, v4.2s, v6.2s
+ ld1 {v28.s}[0], [x2], x3
+ uxtl v19.8h, v3.8b
+ trn1 v5.2s, v5.2s, v7.2s
+ ld1 {v29.s}[0], [x2], x3
+ uxtl v20.8h, v4.8b
+ trn1 v6.2s, v6.2s, v26.2s
+ uxtl v21.8h, v5.8b
+ trn1 v7.2s, v7.2s, v27.2s
+ uxtl v22.8h, v6.8b
+ trn1 v26.2s, v26.2s, v28.2s
+ uxtl v23.8h, v7.8b
+ trn1 v27.2s, v27.2s, v29.2s
+ uxtl v24.8h, v26.8b
+ uxtl v25.8h, v27.8b
+
+ convolve v1, v2, v17, v18, v19, v20, v21, v22, v23, v24, v25, \idx1, \idx2, v3, v4
+ do_store4 v1, v2, v5, v6, \type
+
+ subs x4, x4, #4
+ b.eq 9f
+
+ ld1 {v1.s}[0], [x2], x3
+ ld1 {v2.s}[0], [x2], x3
+ trn1 v28.2s, v28.2s, v1.2s
+ trn1 v29.2s, v29.2s, v2.2s
+ ld1 {v1.s}[1], [x2], x3
+ uxtl v26.8h, v28.8b
+ ld1 {v2.s}[1], [x2], x3
+ uxtl v27.8h, v29.8b
+ uxtl v28.8h, v1.8b
+ uxtl v29.8h, v2.8b
+
+ convolve v1, v2, v21, v22, v23, v24, v25, v26, v27, v28, v29, \idx1, \idx2, v3, v4
+ do_store4 v1, v2, v5, v6, \type
+
+9:
+ ret
+endfunc
+.endm
+
+do_8tap_4v put, 3, 4
+do_8tap_4v put, 4, 3
+do_8tap_4v avg, 3, 4
+do_8tap_4v avg, 4, 3
+
+
+.macro do_8tap_v_func type, filter, offset, size
+function ff_vp9_\type\()_\filter\()\size\()_v_neon, export=1
+ uxtw x4, w4
+ movrel x5, X(ff_vp9_subpel_filters), 256*\offset
+ cmp w6, #8
+ add x6, x5, w6, uxtw #4
+ mov x5, #\size
+.if \size >= 8
+ b.ge \type\()_8tap_8v_34
+ b \type\()_8tap_8v_43
+.else
+ b.ge \type\()_8tap_4v_34
+ b \type\()_8tap_4v_43
+.endif
+endfunc
+.endm
+
+.macro do_8tap_v_filters size
+do_8tap_v_func put, regular, 1, \size
+do_8tap_v_func avg, regular, 1, \size
+do_8tap_v_func put, sharp, 2, \size
+do_8tap_v_func avg, sharp, 2, \size
+do_8tap_v_func put, smooth, 0, \size
+do_8tap_v_func avg, smooth, 0, \size
+.endm
+
+do_8tap_v_filters 64
+do_8tap_v_filters 32
+do_8tap_v_filters 16
+do_8tap_v_filters 8
+do_8tap_v_filters 4
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 06:32:39 +0000