308 lines
9.2 KiB
NASM
308 lines
9.2 KiB
NASM
;
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; Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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;
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; Use of this source code is governed by a BSD-style license
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; that can be found in the LICENSE file in the root of the source
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; tree. An additional intellectual property rights grant can be found
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; in the file PATENTS. All contributing project authors may
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; be found in the AUTHORS file in the root of the source tree.
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;
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%define program_name vpx
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%include "third_party/x86inc/x86inc.asm"
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SECTION .text
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%macro convolve_fn 1
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INIT_XMM sse2
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cglobal convolve_%1, 4, 7, 8, src, src_stride, dst, dst_stride, \
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fx, fxs, fy, fys, w, h
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mov r4d, dword wm
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cmp r4d, 4
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je .w4
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cmp r4d, 8
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je .w8
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cmp r4d, 16
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je .w16
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cmp r4d, 32
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je .w32
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; 64xh
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mov r4d, dword hm
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shr r4d, 1 ; ASSUMPTION: hm is at least EVEN
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sub r4d, 1
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movu m0, [srcq]
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movu m4, [srcq+src_strideq]
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movu m1, [srcq+16]
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movu m5, [srcq+src_strideq+16]
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movu m2, [srcq+32]
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movu m6, [srcq+src_strideq+32]
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movu m3, [srcq+48]
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movu m7, [srcq+src_strideq+48]
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.loop64:
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prefetcht0 [srcq+64 ]
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prefetcht0 [srcq+src_strideq+64]
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lea srcq, [srcq+src_strideq*2]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+16]
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mova [dstq ], m0
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movu m0, [srcq]
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mova [dstq+16], m1
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movu m1, [srcq+16]
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pavgb m2, [dstq+32]
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mova [dstq+32], m2
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movu m2, [srcq+32]
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pavgb m3, [dstq+48]
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mova [dstq+48], m3
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movu m3, [srcq+48]
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pavgb m4, [dstq+dst_strideq]
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mova [dstq+dst_strideq], m4
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movu m4, [srcq+src_strideq]
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pavgb m5, [dstq+dst_strideq+16]
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mova [dstq+dst_strideq+16], m5
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movu m5, [srcq+src_strideq+16]
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pavgb m6, [dstq+dst_strideq+32]
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mova [dstq+dst_strideq+32], m6
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movu m6, [srcq+src_strideq+32]
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pavgb m7, [dstq+dst_strideq+48]
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mova [dstq+dst_strideq+48], m7
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movu m7, [srcq+src_strideq+48]
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lea dstq, [dstq+dst_strideq*2]
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%else
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mova [dstq ], m0
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movu m0, [srcq]
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mova [dstq+16], m1
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movu m1, [srcq+16]
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mova [dstq+32], m2
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movu m2, [srcq+32]
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mova [dstq+48], m3
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movu m3, [srcq+48]
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mova [dstq+dst_strideq], m4
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movu m4, [srcq+src_strideq]
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mova [dstq+dst_strideq+16], m5
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movu m5, [srcq+src_strideq+16]
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mova [dstq+dst_strideq+32], m6
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movu m6, [srcq+src_strideq+32]
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mova [dstq+dst_strideq+48], m7
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movu m7, [srcq+src_strideq+48]
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lea dstq, [dstq+dst_strideq*2]
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%endif
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dec r4d
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jnz .loop64
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+16]
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pavgb m2, [dstq+32]
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pavgb m3, [dstq+48]
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pavgb m4, [dstq+dst_strideq]
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pavgb m5, [dstq+dst_strideq+16]
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pavgb m6, [dstq+dst_strideq+32]
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pavgb m7, [dstq+dst_strideq+48]
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%endif
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mova [dstq ], m0
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mova [dstq+16], m1
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mova [dstq+32], m2
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mova [dstq+48], m3
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mova [dstq+dst_strideq ], m4
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mova [dstq+dst_strideq+16], m5
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mova [dstq+dst_strideq+32], m6
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mova [dstq+dst_strideq+48], m7
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RET
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.w32:
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mov r4d, dword hm
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sub r4d, 2
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movu m0, [srcq]
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movu m1, [srcq+16]
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movu m2, [srcq+src_strideq]
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movu m3, [srcq+src_strideq+16]
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.loop32:
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prefetcht0 [srcq+64]
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prefetcht0 [srcq+src_strideq+64]
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lea srcq, [srcq+src_strideq*2]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+16]
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pavgb m2, [dstq+dst_strideq]
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pavgb m3, [dstq+dst_strideq+16]
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%endif
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mova [dstq], m0
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movu m0, [srcq]
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mova [dstq+16], m1
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movu m1, [srcq+16]
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mova [dstq+dst_strideq], m2
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movu m2, [srcq+src_strideq]
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mova [dstq+dst_strideq+16], m3
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movu m3, [srcq+src_strideq+16]
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lea dstq, [dstq+dst_strideq*2]
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sub r4d, 2
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jnz .loop32
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+16]
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pavgb m2, [dstq+dst_strideq]
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pavgb m3, [dstq+dst_strideq+16]
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%endif
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mova [dstq ], m0
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mova [dstq+16], m1
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mova [dstq+dst_strideq ], m2
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mova [dstq+dst_strideq+16], m3
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RET
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.w16:
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mov r4d, dword hm
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sub r4d, 4
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movu m0, [srcq]
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movu m1, [srcq+src_strideq]
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.loop16:
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lea srcq, [srcq+src_strideq]
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prefetcht0 [srcq+src_strideq*4]
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lea srcq, [srcq+src_strideq]
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prefetcht0 [srcq+src_strideq*2]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+dst_strideq]
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%endif
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mova [dstq ], m0
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mova [dstq+dst_strideq], m1
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lea dstq, [dstq+dst_strideq*2]
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movu m0, [srcq]
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movu m1, [srcq+src_strideq]
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sub r4d, 2
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jnz .loop16
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lea srcq, [srcq+src_strideq*2]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+dst_strideq]
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%endif
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mova [dstq ], m0
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mova [dstq+dst_strideq], m1
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lea dstq, [dstq+dst_strideq*2]
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movu m0, [srcq]
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movu m1, [srcq+src_strideq]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+dst_strideq]
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%endif
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mova [dstq ], m0
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mova [dstq+dst_strideq], m1
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RET
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INIT_MMX sse
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.w8:
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mov r4d, dword hm
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sub r4d, 2
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movu m0, [srcq]
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movu m1, [srcq+src_strideq]
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.loop8:
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lea srcq, [srcq+src_strideq]
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prefetcht0 [srcq+src_strideq*4]
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lea srcq, [srcq+src_strideq]
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prefetcht0 [srcq+src_strideq*2]
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+dst_strideq]
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%endif
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mova [dstq ], m0
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mova [dstq+dst_strideq], m1
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movu m0, [srcq]
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movu m1, [srcq+src_strideq]
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lea dstq, [dstq+dst_strideq*2]
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sub r4d, 2
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jnz .loop8
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%ifidn %1, avg
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pavgb m0, [dstq]
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pavgb m1, [dstq+dst_strideq]
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%endif
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mova [dstq ], m0
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mova [dstq+dst_strideq], m1
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RET
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.w4:
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mov r4d, dword hm
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lea r5q, [src_strideq*3]
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lea r6q, [dst_strideq*3]
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.loop4:
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movh m0, [srcq]
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movh m1, [srcq+src_strideq]
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movh m2, [srcq+src_strideq*2]
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movh m3, [srcq+r5q]
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lea srcq, [srcq+src_strideq*4]
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%ifidn %1, avg
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movh m4, [dstq]
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movh m5, [dstq+dst_strideq]
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movh m6, [dstq+dst_strideq*2]
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movh m7, [dstq+r6q]
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pavgb m0, m4
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pavgb m1, m5
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pavgb m2, m6
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pavgb m3, m7
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%endif
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movh [dstq ], m0
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movh [dstq+dst_strideq ], m1
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movh [dstq+dst_strideq*2], m2
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movh [dstq+r6q ], m3
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lea dstq, [dstq+dst_strideq*4]
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sub r4d, 4
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jnz .loop4
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RET
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%endmacro
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convolve_fn copy
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convolve_fn avg
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