aom/aom_dsp/x86/intrapred_sse2.asm

772 строки
23 KiB
NASM

;
; Copyright (c) 2016, Alliance for Open Media. All rights reserved
;
; This source code is subject to the terms of the BSD 2 Clause License and
; the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
; was not distributed with this source code in the LICENSE file, you can
; obtain it at www.aomedia.org/license/software. If the Alliance for Open
; Media Patent License 1.0 was not distributed with this source code in the
; PATENTS file, you can obtain it at www.aomedia.org/license/patent.
;
;
%include "third_party/x86inc/x86inc.asm"
SECTION_RODATA
pb_1: times 16 db 1
pw_4: times 8 dw 4
pw_8: times 8 dw 8
pw_16: times 8 dw 16
pw_32: times 8 dw 32
dc_128: times 16 db 128
pw2_4: times 8 dw 2
pw2_8: times 8 dw 4
pw2_16: times 8 dw 8
pw2_32: times 8 dw 16
SECTION .text
; ------------------------------------------
; input: x, y, z, result
;
; trick from pascal
; (x+2y+z+2)>>2 can be calculated as:
; result = avg(x,z)
; result -= xor(x,z) & 1
; result = avg(result,y)
; ------------------------------------------
%macro X_PLUS_2Y_PLUS_Z_PLUS_2_RSH_2 4
pavgb %4, %1, %3
pxor %3, %1
pand %3, [GLOBAL(pb_1)]
psubb %4, %3
pavgb %4, %2
%endmacro
INIT_XMM sse2
cglobal dc_predictor_4x4, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
movd m2, [leftq]
movd m0, [aboveq]
pxor m1, m1
punpckldq m0, m2
psadbw m0, m1
paddw m0, [GLOBAL(pw_4)]
psraw m0, 3
pshuflw m0, m0, 0x0
packuswb m0, m0
movd [dstq ], m0
movd [dstq+strideq], m0
lea dstq, [dstq+strideq*2]
movd [dstq ], m0
movd [dstq+strideq], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_left_predictor_4x4, 2, 5, 2, dst, stride, above, left, goffset
movifnidn leftq, leftmp
GET_GOT goffsetq
pxor m1, m1
movd m0, [leftq]
psadbw m0, m1
paddw m0, [GLOBAL(pw2_4)]
psraw m0, 2
pshuflw m0, m0, 0x0
packuswb m0, m0
movd [dstq ], m0
movd [dstq+strideq], m0
lea dstq, [dstq+strideq*2]
movd [dstq ], m0
movd [dstq+strideq], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_top_predictor_4x4, 3, 5, 2, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
movd m0, [aboveq]
psadbw m0, m1
paddw m0, [GLOBAL(pw2_4)]
psraw m0, 2
pshuflw m0, m0, 0x0
packuswb m0, m0
movd [dstq ], m0
movd [dstq+strideq], m0
lea dstq, [dstq+strideq*2]
movd [dstq ], m0
movd [dstq+strideq], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_predictor_8x8, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
movq m0, [aboveq]
movq m2, [leftq]
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
psadbw m0, m1
psadbw m2, m1
paddw m0, m2
paddw m0, [GLOBAL(pw_8)]
psraw m0, 4
punpcklbw m0, m0
pshuflw m0, m0, 0x0
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_top_predictor_8x8, 3, 5, 2, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
movq m0, [aboveq]
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
psadbw m0, m1
paddw m0, [GLOBAL(pw2_8)]
psraw m0, 3
punpcklbw m0, m0
pshuflw m0, m0, 0x0
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_left_predictor_8x8, 2, 5, 2, dst, stride, above, left, goffset
movifnidn leftq, leftmp
GET_GOT goffsetq
pxor m1, m1
movq m0, [leftq]
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
psadbw m0, m1
paddw m0, [GLOBAL(pw2_8)]
psraw m0, 3
punpcklbw m0, m0
pshuflw m0, m0, 0x0
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_128_predictor_4x4, 2, 5, 1, dst, stride, above, left, goffset
GET_GOT goffsetq
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
movd m0, [GLOBAL(dc_128)]
movd [dstq ], m0
movd [dstq+strideq ], m0
movd [dstq+strideq*2], m0
movd [dstq+stride3q ], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_128_predictor_8x8, 2, 5, 1, dst, stride, above, left, goffset
GET_GOT goffsetq
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
movq m0, [GLOBAL(dc_128)]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [aboveq]
mova m2, [leftq]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 4
psadbw m0, m1
psadbw m2, m1
paddw m0, m2
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw_16)]
psraw m0, 5
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq+strideq ], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_top_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [aboveq]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 4
psadbw m0, m1
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw2_16)]
psraw m0, 4
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq+strideq ], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_left_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [leftq]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 4
psadbw m0, m1
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw2_16)]
psraw m0, 4
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq+strideq ], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_128_predictor_16x16, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 4
mova m0, [GLOBAL(dc_128)]
.loop:
mova [dstq ], m0
mova [dstq+strideq ], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
RET
INIT_XMM sse2
cglobal dc_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [aboveq]
mova m2, [aboveq+16]
mova m3, [leftq]
mova m4, [leftq+16]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 8
psadbw m0, m1
psadbw m2, m1
psadbw m3, m1
psadbw m4, m1
paddw m0, m2
paddw m0, m3
paddw m0, m4
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw_32)]
psraw m0, 6
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq +16], m0
mova [dstq+strideq ], m0
mova [dstq+strideq +16], m0
mova [dstq+strideq*2 ], m0
mova [dstq+strideq*2+16], m0
mova [dstq+stride3q ], m0
mova [dstq+stride3q +16], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_top_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [aboveq]
mova m2, [aboveq+16]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 8
psadbw m0, m1
psadbw m2, m1
paddw m0, m2
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw2_32)]
psraw m0, 5
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq +16], m0
mova [dstq+strideq ], m0
mova [dstq+strideq +16], m0
mova [dstq+strideq*2 ], m0
mova [dstq+strideq*2+16], m0
mova [dstq+stride3q ], m0
mova [dstq+stride3q +16], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_left_predictor_32x32, 4, 5, 5, dst, stride, above, left, goffset
GET_GOT goffsetq
pxor m1, m1
mova m0, [leftq]
mova m2, [leftq+16]
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 8
psadbw m0, m1
psadbw m2, m1
paddw m0, m2
movhlps m2, m0
paddw m0, m2
paddw m0, [GLOBAL(pw2_32)]
psraw m0, 5
pshuflw m0, m0, 0x0
punpcklqdq m0, m0
packuswb m0, m0
.loop:
mova [dstq ], m0
mova [dstq +16], m0
mova [dstq+strideq ], m0
mova [dstq+strideq +16], m0
mova [dstq+strideq*2 ], m0
mova [dstq+strideq*2+16], m0
mova [dstq+stride3q ], m0
mova [dstq+stride3q +16], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
REP_RET
INIT_XMM sse2
cglobal dc_128_predictor_32x32, 4, 5, 3, dst, stride, above, left, goffset
GET_GOT goffsetq
DEFINE_ARGS dst, stride, stride3, lines4
lea stride3q, [strideq*3]
mov lines4d, 8
mova m0, [GLOBAL(dc_128)]
.loop:
mova [dstq ], m0
mova [dstq +16], m0
mova [dstq+strideq ], m0
mova [dstq+strideq +16], m0
mova [dstq+strideq*2 ], m0
mova [dstq+strideq*2+16], m0
mova [dstq+stride3q ], m0
mova [dstq+stride3q +16], m0
lea dstq, [dstq+strideq*4]
dec lines4d
jnz .loop
RESTORE_GOT
RET
INIT_XMM sse2
cglobal v_predictor_4x4, 3, 3, 1, dst, stride, above
movd m0, [aboveq]
movd [dstq ], m0
movd [dstq+strideq], m0
lea dstq, [dstq+strideq*2]
movd [dstq ], m0
movd [dstq+strideq], m0
RET
INIT_XMM sse2
cglobal v_predictor_8x8, 3, 3, 1, dst, stride, above
movq m0, [aboveq]
DEFINE_ARGS dst, stride, stride3
lea stride3q, [strideq*3]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
movq [dstq ], m0
movq [dstq+strideq ], m0
movq [dstq+strideq*2], m0
movq [dstq+stride3q ], m0
RET
INIT_XMM sse2
cglobal v_predictor_16x16, 3, 4, 1, dst, stride, above
mova m0, [aboveq]
DEFINE_ARGS dst, stride, stride3, nlines4
lea stride3q, [strideq*3]
mov nlines4d, 4
.loop:
mova [dstq ], m0
mova [dstq+strideq ], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
dec nlines4d
jnz .loop
REP_RET
INIT_XMM sse2
cglobal v_predictor_32x32, 3, 4, 2, dst, stride, above
mova m0, [aboveq]
mova m1, [aboveq+16]
DEFINE_ARGS dst, stride, stride3, nlines4
lea stride3q, [strideq*3]
mov nlines4d, 8
.loop:
mova [dstq ], m0
mova [dstq +16], m1
mova [dstq+strideq ], m0
mova [dstq+strideq +16], m1
mova [dstq+strideq*2 ], m0
mova [dstq+strideq*2+16], m1
mova [dstq+stride3q ], m0
mova [dstq+stride3q +16], m1
lea dstq, [dstq+strideq*4]
dec nlines4d
jnz .loop
REP_RET
INIT_XMM sse2
cglobal h_predictor_4x4, 2, 4, 4, dst, stride, line, left
movifnidn leftq, leftmp
movd m0, [leftq]
punpcklbw m0, m0
punpcklbw m0, m0
pshufd m1, m0, 0x1
movd [dstq ], m0
movd [dstq+strideq], m1
pshufd m2, m0, 0x2
lea dstq, [dstq+strideq*2]
pshufd m3, m0, 0x3
movd [dstq ], m2
movd [dstq+strideq], m3
RET
INIT_XMM sse2
cglobal h_predictor_8x8, 2, 5, 3, dst, stride, line, left
movifnidn leftq, leftmp
mov lineq, -2
DEFINE_ARGS dst, stride, line, left, stride3
lea stride3q, [strideq*3]
movq m0, [leftq ]
punpcklbw m0, m0 ; l1 l1 l2 l2 ... l8 l8
.loop:
pshuflw m1, m0, 0x0 ; l1 l1 l1 l1 l1 l1 l1 l1
pshuflw m2, m0, 0x55 ; l2 l2 l2 l2 l2 l2 l2 l2
movq [dstq ], m1
movq [dstq+strideq], m2
pshuflw m1, m0, 0xaa
pshuflw m2, m0, 0xff
movq [dstq+strideq*2], m1
movq [dstq+stride3q ], m2
pshufd m0, m0, 0xe ; [63:0] l5 l5 l6 l6 l7 l7 l8 l8
inc lineq
lea dstq, [dstq+strideq*4]
jnz .loop
REP_RET
INIT_XMM sse2
cglobal h_predictor_16x16, 2, 5, 3, dst, stride, line, left
movifnidn leftq, leftmp
mov lineq, -4
DEFINE_ARGS dst, stride, line, left, stride3
lea stride3q, [strideq*3]
.loop:
movd m0, [leftq]
punpcklbw m0, m0
punpcklbw m0, m0 ; l1 to l4 each repeated 4 times
pshufd m1, m0, 0x0 ; l1 repeated 16 times
pshufd m2, m0, 0x55 ; l2 repeated 16 times
mova [dstq ], m1
mova [dstq+strideq ], m2
pshufd m1, m0, 0xaa
pshufd m2, m0, 0xff
mova [dstq+strideq*2], m1
mova [dstq+stride3q ], m2
inc lineq
lea leftq, [leftq+4 ]
lea dstq, [dstq+strideq*4]
jnz .loop
REP_RET
INIT_XMM sse2
cglobal h_predictor_32x32, 2, 5, 3, dst, stride, line, left
movifnidn leftq, leftmp
mov lineq, -8
DEFINE_ARGS dst, stride, line, left, stride3
lea stride3q, [strideq*3]
.loop:
movd m0, [leftq]
punpcklbw m0, m0
punpcklbw m0, m0 ; l1 to l4 each repeated 4 times
pshufd m1, m0, 0x0 ; l1 repeated 16 times
pshufd m2, m0, 0x55 ; l2 repeated 16 times
mova [dstq ], m1
mova [dstq+16 ], m1
mova [dstq+strideq ], m2
mova [dstq+strideq+16 ], m2
pshufd m1, m0, 0xaa
pshufd m2, m0, 0xff
mova [dstq+strideq*2 ], m1
mova [dstq+strideq*2+16], m1
mova [dstq+stride3q ], m2
mova [dstq+stride3q+16 ], m2
inc lineq
lea leftq, [leftq+4 ]
lea dstq, [dstq+strideq*4]
jnz .loop
REP_RET
INIT_XMM sse2
cglobal tm_predictor_4x4, 4, 4, 5, dst, stride, above, left
pxor m1, m1
movq m0, [aboveq-1]; [63:0] tl t1 t2 t3 t4 x x x
punpcklbw m0, m1
pshuflw m2, m0, 0x0 ; [63:0] tl tl tl tl [word]
psrldq m0, 2
psubw m0, m2 ; [63:0] t1-tl t2-tl t3-tl t4-tl [word]
movd m2, [leftq]
punpcklbw m2, m1
pshuflw m4, m2, 0x0 ; [63:0] l1 l1 l1 l1 [word]
pshuflw m3, m2, 0x55 ; [63:0] l2 l2 l2 l2 [word]
paddw m4, m0
paddw m3, m0
packuswb m4, m4
packuswb m3, m3
movd [dstq ], m4
movd [dstq+strideq], m3
lea dstq, [dstq+strideq*2]
pshuflw m4, m2, 0xaa
pshuflw m3, m2, 0xff
paddw m4, m0
paddw m3, m0
packuswb m4, m4
packuswb m3, m3
movd [dstq ], m4
movd [dstq+strideq], m3
RET
INIT_XMM sse2
cglobal tm_predictor_8x8, 4, 4, 5, dst, stride, above, left
pxor m1, m1
movd m2, [aboveq-1]
movq m0, [aboveq]
punpcklbw m2, m1
punpcklbw m0, m1 ; t1 t2 t3 t4 t5 t6 t7 t8 [word]
pshuflw m2, m2, 0x0 ; [63:0] tl tl tl tl [word]
DEFINE_ARGS dst, stride, line, left
mov lineq, -4
punpcklqdq m2, m2 ; tl tl tl tl tl tl tl tl [word]
psubw m0, m2 ; t1-tl t2-tl ... t8-tl [word]
movq m2, [leftq]
punpcklbw m2, m1 ; l1 l2 l3 l4 l5 l6 l7 l8 [word]
.loop:
pshuflw m4, m2, 0x0 ; [63:0] l1 l1 l1 l1 [word]
pshuflw m3, m2, 0x55 ; [63:0] l2 l2 l2 l2 [word]
punpcklqdq m4, m4 ; l1 l1 l1 l1 l1 l1 l1 l1 [word]
punpcklqdq m3, m3 ; l2 l2 l2 l2 l2 l2 l2 l2 [word]
paddw m4, m0
paddw m3, m0
packuswb m4, m3
movq [dstq ], m4
movhps [dstq+strideq], m4
lea dstq, [dstq+strideq*2]
psrldq m2, 4
inc lineq
jnz .loop
REP_RET
INIT_XMM sse2
cglobal tm_predictor_16x16, 4, 5, 8, dst, stride, above, left
pxor m1, m1
mova m2, [aboveq-16];
mova m0, [aboveq] ; t1 t2 ... t16 [byte]
punpckhbw m2, m1 ; [127:112] tl [word]
punpckhbw m4, m0, m1
punpcklbw m0, m1 ; m0:m4 t1 t2 ... t16 [word]
DEFINE_ARGS dst, stride, line, left, stride8
mov lineq, -8
pshufhw m2, m2, 0xff
mova m3, [leftq] ; l1 l2 ... l16 [byte]
punpckhqdq m2, m2 ; tl repeated 8 times [word]
psubw m0, m2
psubw m4, m2 ; m0:m4 t1-tl t2-tl ... t16-tl [word]
punpckhbw m5, m3, m1
punpcklbw m3, m1 ; m3:m5 l1 l2 ... l16 [word]
lea stride8q, [strideq*8]
.loop:
pshuflw m6, m3, 0x0
pshuflw m7, m5, 0x0
punpcklqdq m6, m6 ; l1 repeated 8 times [word]
punpcklqdq m7, m7 ; l8 repeated 8 times [word]
paddw m1, m6, m0
paddw m6, m4 ; m1:m6 ti-tl+l1 [i=1,15] [word]
psrldq m5, 2
packuswb m1, m6
mova [dstq ], m1
paddw m1, m7, m0
paddw m7, m4 ; m1:m7 ti-tl+l8 [i=1,15] [word]
psrldq m3, 2
packuswb m1, m7
mova [dstq+stride8q], m1
inc lineq
lea dstq, [dstq+strideq]
jnz .loop
REP_RET
INIT_XMM sse2
cglobal tm_predictor_32x32, 4, 4, 8, dst, stride, above, left
pxor m1, m1
movd m2, [aboveq-1]
mova m0, [aboveq]
mova m4, [aboveq+16]
punpcklbw m2, m1
punpckhbw m3, m0, m1
punpckhbw m5, m4, m1
punpcklbw m0, m1
punpcklbw m4, m1
pshuflw m2, m2, 0x0
DEFINE_ARGS dst, stride, line, left
mov lineq, -16
punpcklqdq m2, m2
add leftq, 32
psubw m0, m2
psubw m3, m2
psubw m4, m2
psubw m5, m2
.loop:
movd m2, [leftq+lineq*2]
pxor m1, m1
punpcklbw m2, m1
pshuflw m7, m2, 0x55
pshuflw m2, m2, 0x0
punpcklqdq m2, m2
punpcklqdq m7, m7
paddw m6, m2, m3
paddw m1, m2, m0
packuswb m1, m6
mova [dstq ], m1
paddw m6, m2, m5
paddw m1, m2, m4
packuswb m1, m6
mova [dstq+16 ], m1
paddw m6, m7, m3
paddw m1, m7, m0
packuswb m1, m6
mova [dstq+strideq ], m1
paddw m6, m7, m5
paddw m1, m7, m4
packuswb m1, m6
mova [dstq+strideq+16], m1
lea dstq, [dstq+strideq*2]
inc lineq
jnz .loop
REP_RET