diff options
Diffstat (limited to 'libswscale')
| -rw-r--r-- | libswscale/aarch64/output.S | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/libswscale/aarch64/output.S b/libswscale/aarch64/output.S index af71de6050..991750cf31 100644 --- a/libswscale/aarch64/output.S +++ b/libswscale/aarch64/output.S @@ -34,16 +34,15 @@ function ff_yuv2planeX_8_neon, export=1 mov x9, x2 // srcp = src mov x10, x0 // filterp = filter 3: ldp x11, x12, [x9], #16 // get 2 pointers: src[j] and src[j+1] + ldr s7, [x10], #4 // read 2x16-bit coeff X and Y at filter[j] and filter[j+1] add x11, x11, x7, lsl #1 // &src[j ][i] add x12, x12, x7, lsl #1 // &src[j+1][i] ld1 {v5.8H}, [x11] // read 8x16-bit @ src[j ][i + {0..7}]: A,B,C,D,E,F,G,H ld1 {v6.8H}, [x12] // read 8x16-bit @ src[j+1][i + {0..7}]: I,J,K,L,M,N,O,P - ld1r {v7.8H}, [x10], #2 // read 1x16-bit coeff X at filter[j ] and duplicate across lanes - ld1r {v16.8H}, [x10], #2 // read 1x16-bit coeff Y at filter[j+1] and duplicate across lanes - smlal v3.4S, v5.4H, v7.4H // val0 += {A,B,C,D} * X - smlal2 v4.4S, v5.8H, v7.8H // val1 += {E,F,G,H} * X - smlal v3.4S, v6.4H, v16.4H // val0 += {I,J,K,L} * Y - smlal2 v4.4S, v6.8H, v16.8H // val1 += {M,N,O,P} * Y + smlal v3.4S, v5.4H, v7.H[0] // val0 += {A,B,C,D} * X + smlal2 v4.4S, v5.8H, v7.H[0] // val1 += {E,F,G,H} * X + smlal v3.4S, v6.4H, v7.H[1] // val0 += {I,J,K,L} * Y + smlal2 v4.4S, v6.8H, v7.H[1] // val1 += {M,N,O,P} * Y subs w8, w8, #2 // tmpfilterSize -= 2 b.gt 3b // loop until filterSize consumed |