On Sat, 18 Nov 2023, Logan.Lyu wrote:
diff --git a/libavcodec/aarch64/hevcdsp_epel_neon.S
b/libavcodec/aarch64/hevcdsp_epel_neon.S
index 54e55cd508..b60091bf23 100644
--- a/libavcodec/aarch64/hevcdsp_epel_neon.S
+++ b/libavcodec/aarch64/hevcdsp_epel_neon.S
+function ff_hevc_put_hevc_epel_bi_hv24_8_neon_i8mm, export=1
+ add w10, w5, #3
+ lsl x10, x10, #7
+ sub sp, sp, x10 // tmp_array
+ stp x7, x30, [sp, #-48]!
+ stp x4, x5, [sp, #16]
+ stp x0, x1, [sp, #32]
+ add x0, sp, #48
+ sub x1, x2, x3
+ mov x2, x3
+ add w3, w5, #3
+ mov x4, x6
+ mov x5, x7
+ bl X(ff_hevc_put_hevc_epel_h24_8_neon_i8mm)
+ ldp x4, x5, [sp, #16]
+ ldp x0, x1, [sp, #32]
+ ldp x7, x30, [sp], #48
+ load_epel_filterh x7, x6
+ mov x10, #(MAX_PB_SIZE * 2)
+ ld1 {v16.8h, v17.8h, v18.8h}, [sp], x10
+ ld1 {v19.8h, v20.8h, v21.8h}, [sp], x10
+ ld1 {v22.8h, v23.8h, v24.8h}, [sp], x10
+.macro calc src0, src1, src2, src3, src4, src5, src6, src7, src8, src9,
src10, src11
+ ld1 {\src9\().8h, \src10\().8h, \src11\().8h}, [sp], x10
+ calc_epelh v1, \src0, \src3, \src6, \src9
+ calc_epelh2 v1, v2, \src0, \src3, \src6, \src9
The ld1 instructions have misindented the {} parts
+ calc_epelh v2, \src1, \src4, \src7, \src10
+ calc_epelh2 v2, v3, \src1, \src4, \src7, \src10
+ calc_epelh v3, \src2, \src5, \src8, \src11
+ calc_epelh2 v3, v4, \src2, \src5, \src8, \src11
+ ld1 {v4.8h, v5.8h, v6.8h}, [x4], x10
+ sqadd v1.8h, v1.8h, v4.8h
+ sqadd v2.8h, v2.8h, v5.8h
+ sqadd v3.8h, v3.8h, v6.8h
+ sqrshrun v1.8b, v1.8h, #7
+ sqrshrun v2.8b, v2.8h, #7
+ sqrshrun v3.8b, v3.8h, #7
+ subs w5, w5, #1
+ st1 {v1.8b, v2.8b, v3.8b}, [x0], x1
+.endm
+1: calc_all12
+.purgem calc
+2: ret
+endfunc
+
+function ff_hevc_put_hevc_epel_bi_hv32_8_neon_i8mm, export=1
+ sub sp, sp, #16
+ str d8, [sp]
This could be "str d8, [sp, #-16]!"
// Martin
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