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FFmpeg/libavcodec/x86/h264_deblock.asm
James Darnley 33de0fee2c avcodec/h264: enable sse2 chroma deblock/loop filter functions 
Between 1.00 and 1.16 times faster on Intel Yorkfield Core 2 Quad.
Between 1.11 and 1.39 times faster on Intel Kaby Lake Pentium.
2017-02-27 13:22:06 +01:00

1421 lines
36 KiB
NASM
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;*****************************************************************************
;* MMX/SSE2/AVX-optimized H.264 deblocking code
;*****************************************************************************
;* Copyright (C) 2005-2011 x264 project
;*
;* Authors: Loren Merritt <lorenm@u.washington.edu>
;* Fiona Glaser <fiona@x264.com>
;* Oskar Arvidsson <oskar@irock.se>
;*
;* 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/x86/x86util.asm"
SECTION_RODATA
pb_A1: times 16 db 0xA1
pb_3_1: times 4 db 3, 1
SECTION .text
cextern pb_0
cextern pb_1
cextern pb_3
%define PASS8ROWS(base, base3, stride, stride3, offset) \
PASS8ROWS(base+offset, base3+offset, stride, stride3)
; in: 8 rows of 4 bytes in %4..%11
; out: 4 rows of 8 bytes in m0..m3
%macro TRANSPOSE4x8_LOAD 11
movh m0, %4
movh m2, %5
movh m1, %6
movh m3, %7
punpckl%1 m0, m2
punpckl%1 m1, m3
mova m2, m0
punpckl%2 m0, m1
punpckh%2 m2, m1
movh m4, %8
movh m6, %9
movh m5, %10
movh m7, %11
punpckl%1 m4, m6
punpckl%1 m5, m7
mova m6, m4
punpckl%2 m4, m5
punpckh%2 m6, m5
punpckh%3 m1, m0, m4
punpckh%3 m3, m2, m6
punpckl%3 m0, m4
punpckl%3 m2, m6
%endmacro
; in: 4 rows of 8 bytes in m0..m3
; out: 8 rows of 4 bytes in %1..%8
%macro TRANSPOSE8x4B_STORE 8
punpckhdq m4, m0, m0
punpckhdq m5, m1, m1
punpckhdq m6, m2, m2
punpcklbw m0, m1
punpcklbw m2, m3
punpcklwd m1, m0, m2
punpckhwd m0, m2
movh %1, m1
punpckhdq m1, m1
movh %2, m1
movh %3, m0
punpckhdq m0, m0
movh %4, m0
punpckhdq m3, m3
punpcklbw m4, m5
punpcklbw m6, m3
punpcklwd m5, m4, m6
punpckhwd m4, m6
movh %5, m5
punpckhdq m5, m5
movh %6, m5
movh %7, m4
punpckhdq m4, m4
movh %8, m4
%endmacro
%macro TRANSPOSE4x8B_LOAD 8
TRANSPOSE4x8_LOAD bw, wd, dq, %1, %2, %3, %4, %5, %6, %7, %8
%endmacro
%macro SBUTTERFLY3 4
punpckh%1 %4, %2, %3
punpckl%1 %2, %3
%endmacro
; in: 8 rows of 8 (only the middle 6 pels are used) in %1..%8
; out: 6 rows of 8 in [%9+0*16] .. [%9+5*16]
%macro TRANSPOSE6x8_MEM 9
RESET_MM_PERMUTATION
movq m0, %1
movq m1, %2
movq m2, %3
movq m3, %4
movq m4, %5
movq m5, %6
movq m6, %7
SBUTTERFLY bw, 0, 1, 7
SBUTTERFLY bw, 2, 3, 7
SBUTTERFLY bw, 4, 5, 7
movq [%9+0x10], m3
SBUTTERFLY3 bw, m6, %8, m7
SBUTTERFLY wd, 0, 2, 3
SBUTTERFLY wd, 4, 6, 3
punpckhdq m0, m4
movq [%9+0x00], m0
SBUTTERFLY3 wd, m1, [%9+0x10], m3
SBUTTERFLY wd, 5, 7, 0
SBUTTERFLY dq, 1, 5, 0
SBUTTERFLY dq, 2, 6, 0
punpckldq m3, m7
movq [%9+0x10], m2
movq [%9+0x20], m6
movq [%9+0x30], m1
movq [%9+0x40], m5
movq [%9+0x50], m3
RESET_MM_PERMUTATION
%endmacro
; in: 8 rows of 8 in %1..%8
; out: 8 rows of 8 in %9..%16
%macro TRANSPOSE8x8_MEM 16
RESET_MM_PERMUTATION
movq m0, %1
movq m1, %2
movq m2, %3
movq m3, %4
movq m4, %5
movq m5, %6
movq m6, %7
SBUTTERFLY bw, 0, 1, 7
SBUTTERFLY bw, 2, 3, 7
SBUTTERFLY bw, 4, 5, 7
SBUTTERFLY3 bw, m6, %8, m7
movq %9, m5
SBUTTERFLY wd, 0, 2, 5
SBUTTERFLY wd, 4, 6, 5
SBUTTERFLY wd, 1, 3, 5
movq %11, m6
movq m6, %9
SBUTTERFLY wd, 6, 7, 5
SBUTTERFLY dq, 0, 4, 5
SBUTTERFLY dq, 1, 6, 5
movq %9, m0
movq %10, m4
movq %13, m1
movq %14, m6
SBUTTERFLY3 dq, m2, %11, m0
SBUTTERFLY dq, 3, 7, 4
movq %11, m2
movq %12, m0
movq %15, m3
movq %16, m7
RESET_MM_PERMUTATION
%endmacro
; out: %4 = |%1-%2|>%3
; clobbers: %5
%macro DIFF_GT 5
%if avx_enabled == 0
mova %5, %2
mova %4, %1
psubusb %5, %1
psubusb %4, %2
%else
psubusb %5, %2, %1
psubusb %4, %1, %2
%endif
por %4, %5
psubusb %4, %3
%endmacro
; out: %4 = |%1-%2|>%3
; clobbers: %5
%macro DIFF_GT2 5
%if ARCH_X86_64
psubusb %5, %2, %1
psubusb %4, %1, %2
%else
mova %5, %2
mova %4, %1
psubusb %5, %1
psubusb %4, %2
%endif
psubusb %5, %3
psubusb %4, %3
pcmpeqb %4, %5
%endmacro
; in: m0=p1 m1=p0 m2=q0 m3=q1 %1=alpha-1 %2=beta-1
; out: m5=beta-1, m7=mask, %3=alpha-1
; clobbers: m4,m6
%macro LOAD_MASK 2-3
movd m4, %1
movd m5, %2
SPLATW m4, m4
SPLATW m5, m5
packuswb m4, m4 ; 16x alpha-1
packuswb m5, m5 ; 16x beta-1
%if %0>2
mova %3, m4
%endif
DIFF_GT m1, m2, m4, m7, m6 ; |p0-q0| > alpha-1
DIFF_GT m0, m1, m5, m4, m6 ; |p1-p0| > beta-1
por m7, m4
DIFF_GT m3, m2, m5, m4, m6 ; |q1-q0| > beta-1
por m7, m4
pxor m6, m6
pcmpeqb m7, m6
%endmacro
; in: m0=p1 m1=p0 m2=q0 m3=q1 m7=(tc&mask)
; out: m1=p0' m2=q0'
; clobbers: m0,3-6
%macro DEBLOCK_P0_Q0 0
pcmpeqb m4, m4
pxor m5, m1, m2 ; p0^q0
pxor m3, m4
pand m5, [pb_1] ; (p0^q0)&1
pavgb m3, m0 ; (p1 - q1 + 256)>>1
pxor m4, m1
pavgb m3, [pb_3] ; (((p1 - q1 + 256)>>1)+4)>>1 = 64+2+(p1-q1)>>2
pavgb m4, m2 ; (q0 - p0 + 256)>>1
pavgb m3, m5
mova m6, [pb_A1]
paddusb m3, m4 ; d+128+33
psubusb m6, m3
psubusb m3, [pb_A1]
pminub m6, m7
pminub m3, m7
psubusb m1, m6
psubusb m2, m3
paddusb m1, m3
paddusb m2, m6
%endmacro
; in: m1=p0 m2=q0
; %1=p1 %2=q2 %3=[q2] %4=[q1] %5=tc0 %6=tmp
; out: [q1] = clip( (q2+((p0+q0+1)>>1))>>1, q1-tc0, q1+tc0 )
; clobbers: q2, tmp, tc0
%macro LUMA_Q1 6
pavgb %6, m1, m2
pavgb %2, %6 ; avg(p2,avg(p0,q0))
pxor %6, %3
pand %6, [pb_1] ; (p2^avg(p0,q0))&1
psubusb %2, %6 ; (p2+((p0+q0+1)>>1))>>1
psubusb %6, %1, %5
paddusb %5, %1
pmaxub %2, %6
pminub %2, %5
mova %4, %2
%endmacro
%if ARCH_X86_64
;-----------------------------------------------------------------------------
; void ff_deblock_v_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
%macro DEBLOCK_LUMA 0
cglobal deblock_v_luma_8, 5,5,10, pix_, stride_, alpha_, beta_, base3_
movd m8, [r4] ; tc0
lea r4, [stride_q*3]
dec alpha_d ; alpha-1
neg r4
dec beta_d ; beta-1
add base3_q, pix_q ; pix-3*stride
mova m0, [base3_q + stride_q] ; p1
mova m1, [base3_q + 2*stride_q] ; p0
mova m2, [pix_q] ; q0
mova m3, [pix_q + stride_q] ; q1
LOAD_MASK r2d, r3d
punpcklbw m8, m8
punpcklbw m8, m8 ; tc = 4x tc0[3], 4x tc0[2], 4x tc0[1], 4x tc0[0]
pcmpeqb m9, m9
pcmpeqb m9, m8
pandn m9, m7
pand m8, m9
movdqa m3, [base3_q] ; p2
DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1
pand m6, m9
psubb m7, m8, m6
pand m6, m8
LUMA_Q1 m0, m3, [base3_q], [base3_q + stride_q], m6, m4
movdqa m4, [pix_q + 2*stride_q] ; q2
DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1
pand m6, m9
pand m8, m6
psubb m7, m6
mova m3, [pix_q + stride_q]
LUMA_Q1 m3, m4, [pix_q + 2*stride_q], [pix_q + stride_q], m8, m6
DEBLOCK_P0_Q0
mova [base3_q + 2*stride_q], m1
mova [pix_q], m2
RET
;-----------------------------------------------------------------------------
; void ff_deblock_h_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
INIT_MMX cpuname
cglobal deblock_h_luma_8, 5,9,0,0x60+16*WIN64
movsxd r7, r1d
lea r8, [r7+r7*2]
lea r6, [r0-4]
lea r5, [r0-4+r8]
%if WIN64
%define pix_tmp rsp+0x30 ; shadow space + r4
%else
%define pix_tmp rsp
%endif
; transpose 6x16 -> tmp space
TRANSPOSE6x8_MEM PASS8ROWS(r6, r5, r7, r8), pix_tmp
lea r6, [r6+r7*8]
lea r5, [r5+r7*8]
TRANSPOSE6x8_MEM PASS8ROWS(r6, r5, r7, r8), pix_tmp+8
; vertical filter
; alpha, beta, tc0 are still in r2d, r3d, r4
; don't backup r6, r5, r7, r8 because deblock_v_luma_sse2 doesn't use them
lea r0, [pix_tmp+0x30]
mov r1d, 0x10
%if WIN64
mov [rsp+0x20], r4
%endif
call deblock_v_luma_8
; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
add r6, 2
add r5, 2
movq m0, [pix_tmp+0x18]
movq m1, [pix_tmp+0x28]
movq m2, [pix_tmp+0x38]
movq m3, [pix_tmp+0x48]
TRANSPOSE8x4B_STORE PASS8ROWS(r6, r5, r7, r8)
shl r7, 3
sub r6, r7
sub r5, r7
shr r7, 3
movq m0, [pix_tmp+0x10]
movq m1, [pix_tmp+0x20]
movq m2, [pix_tmp+0x30]
movq m3, [pix_tmp+0x40]
TRANSPOSE8x4B_STORE PASS8ROWS(r6, r5, r7, r8)
RET
%endmacro
%macro DEBLOCK_H_LUMA_MBAFF 0
cglobal deblock_h_luma_mbaff_8, 5, 9, 10, 8*16, pix_, stride_, alpha_, beta_, tc0_, base3_, stride3_
movsxd stride_q, stride_d
dec alpha_d
dec beta_d
mov base3_q, pix_q
lea stride3_q, [3*stride_q]
add base3_q, stride3_q
movq m0, [pix_q - 4]
movq m1, [pix_q + stride_q - 4]
movq m2, [pix_q + 2*stride_q - 4]
movq m3, [base3_q - 4]
movq m4, [base3_q + stride_q - 4]
movq m5, [base3_q + 2*stride_q - 4]
movq m6, [base3_q + stride3_q - 4]
movq m7, [base3_q + 4*stride_q - 4]
TRANSPOSE_8X8B 0,1,2,3,4,5,6,7
%assign i 0
%rep 8
movq [rsp + 16*i], m %+ i
%assign i i+1
%endrep
; p2 = m1 [rsp + 16]
; p1 = m2 [rsp + 32]
; p0 = m3 [rsp + 48]
; q0 = m4 [rsp + 64]
; q1 = m5 [rsp + 80]
; q2 = m6 [rsp + 96]
SWAP 0, 2
SWAP 1, 3
SWAP 2, 4
SWAP 3, 5
LOAD_MASK alpha_d, beta_d
movd m8, [tc0_q]
punpcklbw m8, m8
pcmpeqb m9, m9
pcmpeqb m9, m8
pandn m9, m7
pand m8, m9
movdqa m3, [rsp + 16] ; p2
DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1
pand m6, m9
psubb m7, m8, m6
pand m6, m8
LUMA_Q1 m0, m3, [rsp + 16], [rsp + 32], m6, m4
movdqa m4, [rsp + 96] ; q2
DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1
pand m6, m9
pand m8, m6
psubb m7, m6
mova m3, [rsp + 80]
LUMA_Q1 m3, m4, [rsp + 96], [rsp + 80], m8, m6
DEBLOCK_P0_Q0
SWAP 1, 3
SWAP 2, 4
movq m0, [rsp]
movq m1, [rsp + 16]
movq m2, [rsp + 32]
movq m5, [rsp + 80]
movq m6, [rsp + 96]
movq m7, [rsp + 112]
TRANSPOSE_8X8B 0,1,2,3,4,5,6,7
movq [pix_q - 4], m0
movq [pix_q + stride_q - 4], m1
movq [pix_q + 2*stride_q - 4], m2
movq [base3_q - 4], m3
movq [base3_q + stride_q - 4], m4
movq [base3_q + 2*stride_q - 4], m5
movq [base3_q + stride3_q - 4], m6
movq [base3_q + 4*stride_q - 4], m7
RET
%endmacro
INIT_XMM sse2
DEBLOCK_H_LUMA_MBAFF
DEBLOCK_LUMA
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
DEBLOCK_H_LUMA_MBAFF
DEBLOCK_LUMA
%endif
%else
%macro DEBLOCK_LUMA 2
;-----------------------------------------------------------------------------
; void ff_deblock_v8_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
cglobal deblock_%1_luma_8, 5,5,8,2*%2
lea r4, [r1*3]
dec r2 ; alpha-1
neg r4
dec r3 ; beta-1
add r4, r0 ; pix-3*stride
mova m0, [r4+r1] ; p1
mova m1, [r4+2*r1] ; p0
mova m2, [r0] ; q0
mova m3, [r0+r1] ; q1
LOAD_MASK r2, r3
mov r3, r4mp
pcmpeqb m3, m3
movd m4, [r3] ; tc0
punpcklbw m4, m4
punpcklbw m4, m4 ; tc = 4x tc0[3], 4x tc0[2], 4x tc0[1], 4x tc0[0]
mova [esp+%2], m4 ; tc
pcmpgtb m4, m3
mova m3, [r4] ; p2
pand m4, m7
mova [esp], m4 ; mask
DIFF_GT2 m1, m3, m5, m6, m7 ; |p2-p0| > beta-1
pand m6, m4
pand m4, [esp+%2] ; tc
psubb m7, m4, m6
pand m6, m4
LUMA_Q1 m0, m3, [r4], [r4+r1], m6, m4
mova m4, [r0+2*r1] ; q2
DIFF_GT2 m2, m4, m5, m6, m3 ; |q2-q0| > beta-1
pand m6, [esp] ; mask
mova m5, [esp+%2] ; tc
psubb m7, m6
pand m5, m6
mova m3, [r0+r1]
LUMA_Q1 m3, m4, [r0+2*r1], [r0+r1], m5, m6
DEBLOCK_P0_Q0
mova [r4+2*r1], m1
mova [r0], m2
RET
;-----------------------------------------------------------------------------
; void ff_deblock_h_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
INIT_MMX cpuname
cglobal deblock_h_luma_8, 0,5,8,0x60+12
mov r0, r0mp
mov r3, r1m
lea r4, [r3*3]
sub r0, 4
lea r1, [r0+r4]
%define pix_tmp esp+12
; transpose 6x16 -> tmp space
TRANSPOSE6x8_MEM PASS8ROWS(r0, r1, r3, r4), pix_tmp
lea r0, [r0+r3*8]
lea r1, [r1+r3*8]
TRANSPOSE6x8_MEM PASS8ROWS(r0, r1, r3, r4), pix_tmp+8
; vertical filter
lea r0, [pix_tmp+0x30]
PUSH dword r4m
PUSH dword r3m
PUSH dword r2m
PUSH dword 16
PUSH dword r0
call deblock_%1_luma_8
%ifidn %1, v8
add dword [esp ], 8 ; pix_tmp+0x38
add dword [esp+16], 2 ; tc0+2
call deblock_%1_luma_8
%endif
ADD esp, 20
; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
mov r0, r0mp
sub r0, 2
movq m0, [pix_tmp+0x10]
movq m1, [pix_tmp+0x20]
lea r1, [r0+r4]
movq m2, [pix_tmp+0x30]
movq m3, [pix_tmp+0x40]
TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4)
lea r0, [r0+r3*8]
lea r1, [r1+r3*8]
movq m0, [pix_tmp+0x18]
movq m1, [pix_tmp+0x28]
movq m2, [pix_tmp+0x38]
movq m3, [pix_tmp+0x48]
TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4)
RET
%endmacro ; DEBLOCK_LUMA
INIT_MMX mmxext
DEBLOCK_LUMA v8, 8
INIT_XMM sse2
DEBLOCK_LUMA v, 16
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
DEBLOCK_LUMA v, 16
%endif
%endif ; ARCH
%macro LUMA_INTRA_P012 4 ; p0..p3 in memory
%if ARCH_X86_64
pavgb t0, p2, p1
pavgb t1, p0, q0
%else
mova t0, p2
mova t1, p0
pavgb t0, p1
pavgb t1, q0
%endif
pavgb t0, t1 ; ((p2+p1+1)/2 + (p0+q0+1)/2 + 1)/2
mova t5, t1
%if ARCH_X86_64
paddb t2, p2, p1
paddb t3, p0, q0
%else
mova t2, p2
mova t3, p0
paddb t2, p1
paddb t3, q0
%endif
paddb t2, t3
mova t3, t2
mova t4, t2
psrlw t2, 1
pavgb t2, mpb_0
pxor t2, t0
pand t2, mpb_1
psubb t0, t2 ; p1' = (p2+p1+p0+q0+2)/4;
%if ARCH_X86_64
pavgb t1, p2, q1
psubb t2, p2, q1
%else
mova t1, p2
mova t2, p2
pavgb t1, q1
psubb t2, q1
%endif
paddb t3, t3
psubb t3, t2 ; p2+2*p1+2*p0+2*q0+q1
pand t2, mpb_1
psubb t1, t2
pavgb t1, p1
pavgb t1, t5 ; (((p2+q1)/2 + p1+1)/2 + (p0+q0+1)/2 + 1)/2
psrlw t3, 2
pavgb t3, mpb_0
pxor t3, t1
pand t3, mpb_1
psubb t1, t3 ; p0'a = (p2+2*p1+2*p0+2*q0+q1+4)/8
pxor t3, p0, q1
pavgb t2, p0, q1
pand t3, mpb_1
psubb t2, t3
pavgb t2, p1 ; p0'b = (2*p1+p0+q0+2)/4
pxor t1, t2
pxor t2, p0
pand t1, mask1p
pand t2, mask0
pxor t1, t2
pxor t1, p0
mova %1, t1 ; store p0
mova t1, %4 ; p3
paddb t2, t1, p2
pavgb t1, p2
pavgb t1, t0 ; (p3+p2+1)/2 + (p2+p1+p0+q0+2)/4
paddb t2, t2
paddb t2, t4 ; 2*p3+3*p2+p1+p0+q0
psrlw t2, 2
pavgb t2, mpb_0
pxor t2, t1
pand t2, mpb_1
psubb t1, t2 ; p2' = (2*p3+3*p2+p1+p0+q0+4)/8
pxor t0, p1
pxor t1, p2
pand t0, mask1p
pand t1, mask1p
pxor t0, p1
pxor t1, p2
mova %2, t0 ; store p1
mova %3, t1 ; store p2
%endmacro
%macro LUMA_INTRA_SWAP_PQ 0
%define q1 m0
%define q0 m1
%define p0 m2
%define p1 m3
%define p2 q2
%define mask1p mask1q
%endmacro
%macro DEBLOCK_LUMA_INTRA 1
%define p1 m0
%define p0 m1
%define q0 m2
%define q1 m3
%define t0 m4
%define t1 m5
%define t2 m6
%define t3 m7
%if ARCH_X86_64
%define p2 m8
%define q2 m9
%define t4 m10
%define t5 m11
%define mask0 m12
%define mask1p m13
%if WIN64
%define mask1q [rsp]
%else
%define mask1q [rsp-24]
%endif
%define mpb_0 m14
%define mpb_1 m15
%else
%define spill(x) [esp+16*x]
%define p2 [r4+r1]
%define q2 [r0+2*r1]
%define t4 spill(0)
%define t5 spill(1)
%define mask0 spill(2)
%define mask1p spill(3)
%define mask1q spill(4)
%define mpb_0 [pb_0]
%define mpb_1 [pb_1]
%endif
;-----------------------------------------------------------------------------
; void ff_deblock_v_luma_intra(uint8_t *pix, int stride, int alpha, int beta)
;-----------------------------------------------------------------------------
%if WIN64
cglobal deblock_%1_luma_intra_8, 4,6,16,0x10
%else
cglobal deblock_%1_luma_intra_8, 4,6,16,ARCH_X86_64*0x50-0x50
%endif
lea r4, [r1*4]
lea r5, [r1*3] ; 3*stride
dec r2d ; alpha-1
jl .end
neg r4
dec r3d ; beta-1
jl .end
add r4, r0 ; pix-4*stride
mova p1, [r4+2*r1]
mova p0, [r4+r5]
mova q0, [r0]
mova q1, [r0+r1]
%if ARCH_X86_64
pxor mpb_0, mpb_0
mova mpb_1, [pb_1]
LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
SWAP 7, 12 ; m12=mask0
pavgb t5, mpb_0
pavgb t5, mpb_1 ; alpha/4+1
movdqa p2, [r4+r1]
movdqa q2, [r0+2*r1]
DIFF_GT2 p0, q0, t5, t0, t3 ; t0 = |p0-q0| > alpha/4+1
DIFF_GT2 p0, p2, m5, t2, t5 ; mask1 = |p2-p0| > beta-1
DIFF_GT2 q0, q2, m5, t4, t5 ; t4 = |q2-q0| > beta-1
pand t0, mask0
pand t4, t0
pand t2, t0
mova mask1q, t4
mova mask1p, t2
%else
LOAD_MASK r2d, r3d, t5 ; m5=beta-1, t5=alpha-1, m7=mask0
mova m4, t5
mova mask0, m7
pavgb m4, [pb_0]
pavgb m4, [pb_1] ; alpha/4+1
DIFF_GT2 p0, q0, m4, m6, m7 ; m6 = |p0-q0| > alpha/4+1
pand m6, mask0
DIFF_GT2 p0, p2, m5, m4, m7 ; m4 = |p2-p0| > beta-1
pand m4, m6
mova mask1p, m4
DIFF_GT2 q0, q2, m5, m4, m7 ; m4 = |q2-q0| > beta-1
pand m4, m6
mova mask1q, m4
%endif
LUMA_INTRA_P012 [r4+r5], [r4+2*r1], [r4+r1], [r4]
LUMA_INTRA_SWAP_PQ
LUMA_INTRA_P012 [r0], [r0+r1], [r0+2*r1], [r0+r5]
.end:
RET
INIT_MMX cpuname
%if ARCH_X86_64
;-----------------------------------------------------------------------------
; void ff_deblock_h_luma_intra(uint8_t *pix, int stride, int alpha, int beta)
;-----------------------------------------------------------------------------
cglobal deblock_h_luma_intra_8, 4,9,0,0x80
movsxd r7, r1d
lea r8, [r7*3]
lea r6, [r0-4]
lea r5, [r0-4+r8]
%if WIN64
%define pix_tmp rsp+0x20 ; shadow space
%else
%define pix_tmp rsp
%endif
; transpose 8x16 -> tmp space
TRANSPOSE8x8_MEM PASS8ROWS(r6, r5, r7, r8), PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30)
lea r6, [r6+r7*8]
lea r5, [r5+r7*8]
TRANSPOSE8x8_MEM PASS8ROWS(r6, r5, r7, r8), PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30)
lea r0, [pix_tmp+0x40]
mov r1, 0x10
call deblock_v_luma_intra_8
; transpose 16x6 -> original space (but we can't write only 6 pixels, so really 16x8)
lea r5, [r6+r8]
TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30), PASS8ROWS(r6, r5, r7, r8)
shl r7, 3
sub r6, r7
sub r5, r7
shr r7, 3
TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30), PASS8ROWS(r6, r5, r7, r8)
RET
%else
cglobal deblock_h_luma_intra_8, 2,4,8,0x80
lea r3, [r1*3]
sub r0, 4
lea r2, [r0+r3]
%define pix_tmp rsp
; transpose 8x16 -> tmp space
TRANSPOSE8x8_MEM PASS8ROWS(r0, r2, r1, r3), PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30)
lea r0, [r0+r1*8]
lea r2, [r2+r1*8]
TRANSPOSE8x8_MEM PASS8ROWS(r0, r2, r1, r3), PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30)
lea r0, [pix_tmp+0x40]
PUSH dword r3m
PUSH dword r2m
PUSH dword 16
PUSH r0
call deblock_%1_luma_intra_8
%ifidn %1, v8
add dword [rsp], 8 ; pix_tmp+8
call deblock_%1_luma_intra_8
%endif
ADD esp, 16
mov r1, r1m
mov r0, r0mp
lea r3, [r1*3]
sub r0, 4
lea r2, [r0+r3]
; transpose 16x6 -> original space (but we can't write only 6 pixels, so really 16x8)
TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp, pix_tmp+0x30, 0x10, 0x30), PASS8ROWS(r0, r2, r1, r3)
lea r0, [r0+r1*8]
lea r2, [r2+r1*8]
TRANSPOSE8x8_MEM PASS8ROWS(pix_tmp+8, pix_tmp+0x38, 0x10, 0x30), PASS8ROWS(r0, r2, r1, r3)
RET
%endif ; ARCH_X86_64
%endmacro ; DEBLOCK_LUMA_INTRA
INIT_XMM sse2
DEBLOCK_LUMA_INTRA v
%if HAVE_AVX_EXTERNAL
INIT_XMM avx
DEBLOCK_LUMA_INTRA v
%endif
%if ARCH_X86_64 == 0
INIT_MMX mmxext
DEBLOCK_LUMA_INTRA v8
%endif
INIT_MMX mmxext
%macro CHROMA_V_START 0
dec r2d ; alpha-1
dec r3d ; beta-1
mov t5, r0
sub t5, r1
sub t5, r1
%endmacro
%macro CHROMA_H_START 0
dec r2d
dec r3d
sub r0, 2
lea t6, [r1*3]
mov t5, r0
add r0, t6
%endmacro
%define t5 r5
%define t6 r6
;-----------------------------------------------------------------------------
; void ff_deblock_v_chroma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
cglobal deblock_v_chroma_8, 5,6
CHROMA_V_START
movq m0, [t5]
movq m1, [t5+r1]
movq m2, [r0]
movq m3, [r0+r1]
call ff_chroma_inter_body_mmxext
movq [t5+r1], m1
movq [r0], m2
RET
;-----------------------------------------------------------------------------
; void ff_deblock_h_chroma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
cglobal deblock_h_chroma_8, 5,7
%if ARCH_X86_64
; This could use the red zone on 64 bit unix to avoid the stack pointer
; readjustment, but valgrind assumes the red zone is clobbered on
; function calls and returns.
sub rsp, 16
%define buf0 [rsp]
%define buf1 [rsp+8]
%else
%define buf0 r0m
%define buf1 r2m
%endif
CHROMA_H_START
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
movq buf0, m0
movq buf1, m3
LOAD_MASK r2d, r3d
movd m6, [r4] ; tc0
punpcklbw m6, m6
pand m7, m6
DEBLOCK_P0_Q0
movq m0, buf0
movq m3, buf1
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
%if ARCH_X86_64
add rsp, 16
%endif
RET
ALIGN 16
ff_chroma_inter_body_mmxext:
LOAD_MASK r2d, r3d
movd m6, [r4] ; tc0
punpcklbw m6, m6
pand m7, m6
DEBLOCK_P0_Q0
ret
%define t5 r4
%define t6 r5
cglobal deblock_h_chroma422_8, 5, 6
SUB rsp, (1+ARCH_X86_64*2)*mmsize
%if ARCH_X86_64
%define buf0 [rsp+16]
%define buf1 [rsp+8]
%else
%define buf0 r0m
%define buf1 r2m
%endif
movd m6, [r4]
punpcklbw m6, m6
movq [rsp], m6
CHROMA_H_START
TRANSPOSE4x8B_LOAD PASS8ROWS(t5, r0, r1, t6)
movq buf0, m0
movq buf1, m3
LOAD_MASK r2d, r3d
movd m6, [rsp]
punpcklwd m6, m6
pand m7, m6
DEBLOCK_P0_Q0
movq m0, buf0
movq m3, buf1
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
lea r0, [r0+r1*8]
lea t5, [t5+r1*8]
TRANSPOSE4x8B_LOAD PASS8ROWS(t5, r0, r1, t6)
movq buf0, m0
movq buf1, m3
LOAD_MASK r2d, r3d
movd m6, [rsp+4]
punpcklwd m6, m6
pand m7, m6
DEBLOCK_P0_Q0
movq m0, buf0
movq m3, buf1
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
ADD rsp, (1+ARCH_X86_64*2)*mmsize
RET
; in: %1=p0 %2=p1 %3=q1
; out: p0 = (p0 + q1 + 2*p1 + 2) >> 2
%macro CHROMA_INTRA_P0 3
movq m4, %1
pxor m4, %3
pand m4, [pb_1] ; m4 = (p0^q1)&1
pavgb %1, %3
psubusb %1, m4
pavgb %1, %2 ; dst = avg(p1, avg(p0,q1) - ((p0^q1)&1))
%endmacro
;------------------------------------------------------------------------------
; void ff_deblock_v_chroma_intra(uint8_t *pix, int stride, int alpha, int beta)
;------------------------------------------------------------------------------
cglobal deblock_v_chroma_intra_8, 4,5
CHROMA_V_START
movq m0, [t5]
movq m1, [t5+r1]
movq m2, [r0]
movq m3, [r0+r1]
call ff_chroma_intra_body_mmxext
movq [t5+r1], m1
movq [r0], m2
RET
;------------------------------------------------------------------------------
; void ff_deblock_h_chroma_intra(uint8_t *pix, int stride, int alpha, int beta)
;------------------------------------------------------------------------------
cglobal deblock_h_chroma_intra_8, 4,6
CHROMA_H_START
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
call ff_chroma_intra_body_mmxext
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
RET
cglobal deblock_h_chroma422_intra_8, 4, 6
CHROMA_H_START
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
call ff_chroma_intra_body_mmxext
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
lea r0, [r0+r1*8]
lea t5, [t5+r1*8]
TRANSPOSE4x8_LOAD bw, wd, dq, PASS8ROWS(t5, r0, r1, t6)
call ff_chroma_intra_body_mmxext
TRANSPOSE8x4B_STORE PASS8ROWS(t5, r0, r1, t6)
RET
ALIGN 16
ff_chroma_intra_body_mmxext:
LOAD_MASK r2d, r3d
movq m5, m1
movq m6, m2
CHROMA_INTRA_P0 m1, m0, m3
CHROMA_INTRA_P0 m2, m3, m0
psubb m1, m5
psubb m2, m6
pand m1, m7
pand m2, m7
paddb m1, m5
paddb m2, m6
ret
%macro LOAD_8_ROWS 8
movd m0, %1
movd m1, %2
movd m2, %3
movd m3, %4
movd m4, %5
movd m5, %6
movd m6, %7
movd m7, %8
%endmacro
%macro STORE_8_ROWS 8
movd %1, m0
movd %2, m1
movd %3, m2
movd %4, m3
movd %5, m4
movd %6, m5
movd %7, m6
movd %8, m7
%endmacro
%macro TRANSPOSE_8x4B_XMM 0
punpcklbw m0, m1
punpcklbw m2, m3
punpcklbw m4, m5
punpcklbw m6, m7
punpcklwd m0, m2
punpcklwd m4, m6
punpckhdq m2, m0, m4
punpckldq m0, m4
MOVHL m1, m0
MOVHL m3, m2
%endmacro
%macro TRANSPOSE_4x8B_XMM 0
punpcklbw m0, m1
punpcklbw m2, m3
punpckhwd m4, m0, m2
punpcklwd m0, m2
MOVHL m6, m4
MOVHL m2, m0
pshufd m1, m0, 1
pshufd m3, m2, 1
pshufd m5, m4, 1
pshufd m7, m6, 1
%endmacro
%macro CHROMA_INTER_BODY_XMM 1
LOAD_MASK alpha_d, beta_d
movd m6, [tc0_q]
%rep %1
punpcklbw m6, m6
%endrep
pand m7, m6
DEBLOCK_P0_Q0
%endmacro
%macro CHROMA_INTRA_BODY_XMM 0
LOAD_MASK alpha_d, beta_d
mova m5, m1
mova m6, m2
pxor m4, m1, m3
pand m4, [pb_1]
pavgb m1, m3
psubusb m1, m4
pavgb m1, m0
pxor m4, m2, m0
pand m4, [pb_1]
pavgb m2, m0
psubusb m2, m4
pavgb m2, m3
psubb m1, m5
psubb m2, m6
pand m1, m7
pand m2, m7
paddb m1, m5
paddb m2, m6
%endmacro
%macro CHROMA_V_START_XMM 1
movsxdifnidn stride_q, stride_d
dec alpha_d
dec beta_d
mov %1, pix_q
sub %1, stride_q
sub %1, stride_q
%endmacro
%macro CHROMA_H_START_XMM 2
movsxdifnidn stride_q, stride_d
dec alpha_d
dec beta_d
lea %2, [3*stride_q]
mov %1, pix_q
add %1, %2
%endmacro
%macro DEBLOCK_CHROMA_XMM 1
INIT_XMM %1
cglobal deblock_v_chroma_8, 5, 6, 8, pix_, stride_, alpha_, beta_, tc0_
CHROMA_V_START_XMM r5
movq m0, [r5]
movq m1, [r5 + stride_q]
movq m2, [pix_q]
movq m3, [pix_q + stride_q]
CHROMA_INTER_BODY_XMM 1
movq [r5 + stride_q], m1
movq [pix_q], m2
RET
cglobal deblock_h_chroma_8, 5, 7, 8, 0-16, pix_, stride_, alpha_, beta_, tc0_
CHROMA_H_START_XMM r5, r6
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
TRANSPOSE_8x4B_XMM
movq [rsp], m0
movq [rsp + 8], m3
CHROMA_INTER_BODY_XMM 1
movq m0, [rsp]
movq m3, [rsp + 8]
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
RET
cglobal deblock_h_chroma422_8, 5, 7, 8, 0-16, pix_, stride_, alpha_, beta_, tc0_,
CHROMA_H_START_XMM r5, r6
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
TRANSPOSE_8x4B_XMM
movq [rsp], m0
movq [rsp + 8], m3
CHROMA_INTER_BODY_XMM 2
movq m0, [rsp]
movq m3, [rsp + 8]
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
lea pix_q, [pix_q + 8*stride_q]
lea r5, [r5 + 8*stride_q]
add tc0_q, 2
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
TRANSPOSE_8x4B_XMM
movq [rsp], m0
movq [rsp + 8], m3
CHROMA_INTER_BODY_XMM 2
movq m0, [rsp]
movq m3, [rsp + 8]
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r5 - 2, stride_q, r6)
RET
cglobal deblock_v_chroma_intra_8, 4, 5, 8, pix_, stride_, alpha_, beta_
CHROMA_V_START_XMM r4
movq m0, [r4]
movq m1, [r4 + stride_q]
movq m2, [pix_q]
movq m3, [pix_q + stride_q]
CHROMA_INTRA_BODY_XMM
movq [r4 + stride_q], m1
movq [pix_q], m2
RET
cglobal deblock_h_chroma_intra_8, 4, 6, 8, pix_, stride_, alpha_, beta_
CHROMA_H_START_XMM r4, r5
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
TRANSPOSE_8x4B_XMM
CHROMA_INTRA_BODY_XMM
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
RET
cglobal deblock_h_chroma422_intra_8, 4, 6, 8, pix_, stride_, alpha_, beta_
CHROMA_H_START_XMM r4, r5
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
TRANSPOSE_8x4B_XMM
CHROMA_INTRA_BODY_XMM
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
lea pix_q, [pix_q + 8*stride_q]
lea r4, [r4 + 8*stride_q]
LOAD_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
TRANSPOSE_8x4B_XMM
CHROMA_INTRA_BODY_XMM
TRANSPOSE_4x8B_XMM
STORE_8_ROWS PASS8ROWS(pix_q - 2, r4 - 2, stride_q, r5)
RET
%endmacro ; DEBLOCK_CHROMA_XMM
DEBLOCK_CHROMA_XMM sse2
DEBLOCK_CHROMA_XMM avx
;-----------------------------------------------------------------------------
; void ff_h264_loop_filter_strength(int16_t bs[2][4][4], uint8_t nnz[40],
; int8_t ref[2][40], int16_t mv[2][40][2],
; int bidir, int edges, int step,
; int mask_mv0, int mask_mv1, int field);
;
; bidir is 0 or 1
; edges is 1 or 4
; step is 1 or 2
; mask_mv0 is 0 or 3
; mask_mv1 is 0 or 1
; field is 0 or 1
;-----------------------------------------------------------------------------
%macro loop_filter_strength_iteration 7 ; edges, step, mask_mv,
; dir, d_idx, mask_dir, bidir
%define edgesd %1
%define stepd %2
%define mask_mvd %3
%define dir %4
%define d_idx %5
%define mask_dir %6
%define bidir %7
xor b_idxd, b_idxd ; for (b_idx = 0; b_idx < edges; b_idx += step)
%%.b_idx_loop:
%if mask_dir == 0
pxor m0, m0
%endif
test b_idxd, dword mask_mvd
jnz %%.skip_loop_iter ; if (!(b_idx & mask_mv))
%if bidir == 1
movd m2, [refq+b_idxq+d_idx+12] ; { ref0[bn] }
punpckldq m2, [refq+b_idxq+d_idx+52] ; { ref0[bn], ref1[bn] }
pshufw m0, [refq+b_idxq+12], 0x44 ; { ref0[b], ref0[b] }
pshufw m1, [refq+b_idxq+52], 0x44 ; { ref1[b], ref1[b] }
pshufw m3, m2, 0x4E ; { ref1[bn], ref0[bn] }
psubb m0, m2 ; { ref0[b] != ref0[bn],
; ref0[b] != ref1[bn] }
psubb m1, m3 ; { ref1[b] != ref1[bn],
; ref1[b] != ref0[bn] }
por m0, m1
mova m1, [mvq+b_idxq*4+(d_idx+12)*4]
mova m2, [mvq+b_idxq*4+(d_idx+12)*4+mmsize]
mova m3, m1
mova m4, m2
psubw m1, [mvq+b_idxq*4+12*4]
psubw m2, [mvq+b_idxq*4+12*4+mmsize]
psubw m3, [mvq+b_idxq*4+52*4]
psubw m4, [mvq+b_idxq*4+52*4+mmsize]
packsswb m1, m2
packsswb m3, m4
paddb m1, m6
paddb m3, m6
psubusb m1, m5 ; abs(mv[b] - mv[bn]) >= limit
psubusb m3, m5
packsswb m1, m3
por m0, m1
mova m1, [mvq+b_idxq*4+(d_idx+52)*4]
mova m2, [mvq+b_idxq*4+(d_idx+52)*4+mmsize]
mova m3, m1
mova m4, m2
psubw m1, [mvq+b_idxq*4+12*4]
psubw m2, [mvq+b_idxq*4+12*4+mmsize]
psubw m3, [mvq+b_idxq*4+52*4]
psubw m4, [mvq+b_idxq*4+52*4+mmsize]
packsswb m1, m2
packsswb m3, m4
paddb m1, m6
paddb m3, m6
psubusb m1, m5 ; abs(mv[b] - mv[bn]) >= limit
psubusb m3, m5
packsswb m1, m3
pshufw m1, m1, 0x4E
por m0, m1
pshufw m1, m0, 0x4E
pminub m0, m1
%else ; bidir == 0
movd m0, [refq+b_idxq+12]
psubb m0, [refq+b_idxq+d_idx+12] ; ref[b] != ref[bn]
mova m1, [mvq+b_idxq*4+12*4]
mova m2, [mvq+b_idxq*4+12*4+mmsize]
psubw m1, [mvq+b_idxq*4+(d_idx+12)*4]
psubw m2, [mvq+b_idxq*4+(d_idx+12)*4+mmsize]
packsswb m1, m2
paddb m1, m6
psubusb m1, m5 ; abs(mv[b] - mv[bn]) >= limit
packsswb m1, m1
por m0, m1
%endif ; bidir == 1/0
%%.skip_loop_iter:
movd m1, [nnzq+b_idxq+12]
por m1, [nnzq+b_idxq+d_idx+12] ; nnz[b] || nnz[bn]
pminub m1, m7
pminub m0, m7
psllw m1, 1
pxor m2, m2
pmaxub m1, m0
punpcklbw m1, m2
movq [bsq+b_idxq+32*dir], m1
add b_idxd, dword stepd
cmp b_idxd, dword edgesd
jl %%.b_idx_loop
%endmacro
INIT_MMX mmxext
cglobal h264_loop_filter_strength, 9, 9, 0, bs, nnz, ref, mv, bidir, edges, \
step, mask_mv0, mask_mv1, field
%define b_idxq bidirq
%define b_idxd bidird
cmp dword fieldm, 0
mova m7, [pb_1]
mova m5, [pb_3]
je .nofield
mova m5, [pb_3_1]
.nofield:
mova m6, m5
paddb m5, m5
shl dword stepd, 3
shl dword edgesd, 3
%if ARCH_X86_32
%define mask_mv0d mask_mv0m
%define mask_mv1d mask_mv1m
%endif
shl dword mask_mv1d, 3
shl dword mask_mv0d, 3
cmp dword bidird, 0
jne .bidir
loop_filter_strength_iteration edgesd, stepd, mask_mv1d, 1, -8, 0, 0
loop_filter_strength_iteration 32, 8, mask_mv0d, 0, -1, -1, 0
mova m0, [bsq+mmsize*0]
mova m1, [bsq+mmsize*1]
mova m2, [bsq+mmsize*2]
mova m3, [bsq+mmsize*3]
TRANSPOSE4x4W 0, 1, 2, 3, 4
mova [bsq+mmsize*0], m0
mova [bsq+mmsize*1], m1
mova [bsq+mmsize*2], m2
mova [bsq+mmsize*3], m3
RET
.bidir:
loop_filter_strength_iteration edgesd, stepd, mask_mv1d, 1, -8, 0, 1
loop_filter_strength_iteration 32, 8, mask_mv0d, 0, -1, -1, 1
mova m0, [bsq+mmsize*0]
mova m1, [bsq+mmsize*1]
mova m2, [bsq+mmsize*2]
mova m3, [bsq+mmsize*3]
TRANSPOSE4x4W 0, 1, 2, 3, 4
mova [bsq+mmsize*0], m0
mova [bsq+mmsize*1], m1
mova [bsq+mmsize*2], m2
mova [bsq+mmsize*3], m3
RET
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