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ffmpeg/libavcodec/x86/h264_qpel_10bit.asm
Ronald S. Bultje 291c9b6285 h264: change underread for 10bit QPEL to overread. 
This prevents us from reading before the start of the buffer, and thus
prevents crashes resulting from this behaviour. Fixes bug 237.
2012-03-02 10:33:05 -08:00

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;*****************************************************************************
;* MMX/SSE2/AVX-optimized 10-bit H.264 qpel code
;*****************************************************************************
;* Copyright (C) 2011 x264 project
;*
;* Authors: Daniel Kang <daniel.d.kang@gmail.com>
;*
;* This file is part of Libav.
;*
;* Libav 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.
;*
;* Libav 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 Libav; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************
%include "x86inc.asm"
%include "x86util.asm"
SECTION_RODATA 32
cextern pw_16
cextern pw_1
cextern pb_0
pw_pixel_max: times 8 dw ((1 << 10)-1)
pad10: times 8 dw 10*1023
pad20: times 8 dw 20*1023
pad30: times 8 dw 30*1023
depad: times 4 dd 32*20*1023 + 512
depad2: times 8 dw 20*1023 + 16*1022 + 16
unpad: times 8 dw 16*1022/32 ; needs to be mod 16
tap1: times 4 dw 1, -5
tap2: times 4 dw 20, 20
tap3: times 4 dw -5, 1
pd_0f: times 4 dd 0xffff
SECTION .text
%macro AVG_MOV 2
pavgw %2, %1
mova %1, %2
%endmacro
%macro ADDW 3
%if mmsize == 8
paddw %1, %2
%else
movu %3, %2
paddw %1, %3
%endif
%endmacro
%macro FILT_H 4
paddw %1, %4
psubw %1, %2 ; a-b
psraw %1, 2 ; (a-b)/4
psubw %1, %2 ; (a-b)/4-b
paddw %1, %3 ; (a-b)/4-b+c
psraw %1, 2 ; ((a-b)/4-b+c)/4
paddw %1, %3 ; ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
%endmacro
%macro PRELOAD_V 0
lea r3, [r2*3]
sub r1, r3
movu m0, [r1+r2]
movu m1, [r1+r2*2]
add r1, r3
movu m2, [r1]
movu m3, [r1+r2]
movu m4, [r1+r2*2]
add r1, r3
%endmacro
%macro FILT_V 8
movu %6, [r1]
paddw %1, %6
mova %7, %2
paddw %7, %5
mova %8, %3
paddw %8, %4
FILT_H %1, %7, %8, [pw_16]
psraw %1, 1
CLIPW %1, [pb_0], [pw_pixel_max]
%endmacro
%macro MC 1
%define OP_MOV mova
INIT_MMX
%1 mmxext, put, 4
INIT_XMM
%1 sse2 , put, 8
%define OP_MOV AVG_MOV
INIT_MMX
%1 mmxext, avg, 4
INIT_XMM
%1 sse2 , avg, 8
%endmacro
%macro MCAxA 8
%if ARCH_X86_64
%ifnidn %1,mmxext
MCAxA_OP %1,%2,%3,%4,%5,%6,%7,%8
%endif
%else
MCAxA_OP %1,%2,%3,%4,%5,%6,%7,%8
%endif
%endmacro
%macro MCAxA_OP 8
cglobal %2_h264_qpel%5_%3_10_%1, %6,%7,%8
%if ARCH_X86_32
call stub_%2_h264_qpel%4_%3_10_%1
mov r0, r0m
mov r1, r1m
add r0, %4*2
add r1, %4*2
call stub_%2_h264_qpel%4_%3_10_%1
mov r0, r0m
mov r1, r1m
lea r0, [r0+r2*%4]
lea r1, [r1+r2*%4]
call stub_%2_h264_qpel%4_%3_10_%1
mov r0, r0m
mov r1, r1m
lea r0, [r0+r2*%4+%4*2]
lea r1, [r1+r2*%4+%4*2]
call stub_%2_h264_qpel%4_%3_10_%1
RET
%else ; ARCH_X86_64
mov r10, r0
mov r11, r1
call stub_%2_h264_qpel%4_%3_10_%1
lea r0, [r10+%4*2]
lea r1, [r11+%4*2]
call stub_%2_h264_qpel%4_%3_10_%1
lea r0, [r10+r2*%4]
lea r1, [r11+r2*%4]
call stub_%2_h264_qpel%4_%3_10_%1
lea r0, [r10+r2*%4+%4*2]
lea r1, [r11+r2*%4+%4*2]
%if UNIX64 == 0 ; fall through to function
call stub_%2_h264_qpel%4_%3_10_%1
RET
%endif
%endif
%endmacro
;cpu, put/avg, mc, 4/8, ...
%macro cglobal_mc 7
%assign i %4*2
MCAxA %1, %2, %3, %4, i, %5,%6,%7
cglobal %2_h264_qpel%4_%3_10_%1, %5,%6,%7
%if UNIX64 == 0 ; no prologue or epilogue for UNIX64
call stub_%2_h264_qpel%4_%3_10_%1
RET
%endif
stub_%2_h264_qpel%4_%3_10_%1:
%endmacro
;-----------------------------------------------------------------------------
; void h264_qpel_mc00(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro COPY4 0
movu m0, [r1 ]
OP_MOV [r0 ], m0
movu m0, [r1+r2 ]
OP_MOV [r0+r2 ], m0
movu m0, [r1+r2*2]
OP_MOV [r0+r2*2], m0
movu m0, [r1+r3 ]
OP_MOV [r0+r3 ], m0
%endmacro
%macro MC00 1
INIT_MMX
cglobal_mc mmxext, %1, mc00, 4, 3,4,0
lea r3, [r2*3]
COPY4
ret
INIT_XMM
cglobal %1_h264_qpel8_mc00_10_sse2, 3,4
lea r3, [r2*3]
COPY4
lea r0, [r0+r2*4]
lea r1, [r1+r2*4]
COPY4
RET
cglobal %1_h264_qpel16_mc00_10_sse2, 3,4
mov r3d, 8
.loop:
movu m0, [r1 ]
movu m1, [r1 +16]
OP_MOV [r0 ], m0
OP_MOV [r0 +16], m1
movu m0, [r1+r2 ]
movu m1, [r1+r2+16]
OP_MOV [r0+r2 ], m0
OP_MOV [r0+r2+16], m1
lea r0, [r0+r2*2]
lea r1, [r1+r2*2]
dec r3d
jg .loop
REP_RET
%endmacro
%define OP_MOV mova
MC00 put
%define OP_MOV AVG_MOV
MC00 avg
;-----------------------------------------------------------------------------
; void h264_qpel_mc20(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC_CACHE 1
%define OP_MOV mova
%define PALIGNR PALIGNR_MMX
INIT_MMX
%1 mmxext , put, 4
INIT_XMM
%1 sse2_cache64 , put, 8
%define PALIGNR PALIGNR_SSSE3
%1 ssse3_cache64, put, 8
%1 sse2 , put, 8, 0
%define OP_MOV AVG_MOV
%define PALIGNR PALIGNR_MMX
INIT_MMX
%1 mmxext , avg, 4
INIT_XMM
%1 sse2_cache64 , avg, 8
%define PALIGNR PALIGNR_SSSE3
%1 ssse3_cache64, avg, 8
%1 sse2 , avg, 8, 0
%endmacro
%macro MC20 3-4
cglobal_mc %1, %2, mc20, %3, 3,4,9
mov r3d, %3
mova m1, [pw_pixel_max]
%if num_mmregs > 8
mova m8, [pw_16]
%define p16 m8
%else
%define p16 [pw_16]
%endif
.nextrow
%if %0 == 4
movu m2, [r1-4]
movu m3, [r1-2]
movu m4, [r1+0]
ADDW m2, [r1+6], m5
ADDW m3, [r1+4], m5
ADDW m4, [r1+2], m5
%else ; movu is slow on these processors
%if mmsize==16
movu m2, [r1-4]
movu m0, [r1+6]
mova m6, m0
psrldq m0, 6
paddw m6, m2
PALIGNR m3, m0, m2, 2, m5
PALIGNR m7, m0, m2, 8, m5
paddw m3, m7
PALIGNR m4, m0, m2, 4, m5
PALIGNR m7, m0, m2, 6, m5
paddw m4, m7
SWAP 2, 6
%else
movu m2, [r1-4]
movu m6, [r1+4]
PALIGNR m3, m6, m2, 2, m5
paddw m3, m6
PALIGNR m4, m6, m2, 4, m5
PALIGNR m7, m6, m2, 6, m5
paddw m4, m7
paddw m2, [r1+6]
%endif
%endif
FILT_H m2, m3, m4, p16
psraw m2, 1
pxor m0, m0
CLIPW m2, m0, m1
OP_MOV [r0], m2
add r0, r2
add r1, r2
dec r3d
jg .nextrow
rep ret
%endmacro
MC_CACHE MC20
;-----------------------------------------------------------------------------
; void h264_qpel_mc30(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC30 3-4
cglobal_mc %1, %2, mc30, %3, 3,5,9
lea r4, [r1+2]
jmp stub_%2_h264_qpel%3_mc10_10_%1.body
%endmacro
MC_CACHE MC30
;-----------------------------------------------------------------------------
; void h264_qpel_mc10(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC10 3-4
cglobal_mc %1, %2, mc10, %3, 3,5,9
mov r4, r1
.body
mov r3d, %3
mova m1, [pw_pixel_max]
%if num_mmregs > 8
mova m8, [pw_16]
%define p16 m8
%else
%define p16 [pw_16]
%endif
.nextrow
%if %0 == 4
movu m2, [r1-4]
movu m3, [r1-2]
movu m4, [r1+0]
ADDW m2, [r1+6], m5
ADDW m3, [r1+4], m5
ADDW m4, [r1+2], m5
%else ; movu is slow on these processors
%if mmsize==16
movu m2, [r1-4]
movu m0, [r1+6]
mova m6, m0
psrldq m0, 6
paddw m6, m2
PALIGNR m3, m0, m2, 2, m5
PALIGNR m7, m0, m2, 8, m5
paddw m3, m7
PALIGNR m4, m0, m2, 4, m5
PALIGNR m7, m0, m2, 6, m5
paddw m4, m7
SWAP 2, 6
%else
movu m2, [r1-4]
movu m6, [r1+4]
PALIGNR m3, m6, m2, 2, m5
paddw m3, m6
PALIGNR m4, m6, m2, 4, m5
PALIGNR m7, m6, m2, 6, m5
paddw m4, m7
paddw m2, [r1+6]
%endif
%endif
FILT_H m2, m3, m4, p16
psraw m2, 1
pxor m0, m0
CLIPW m2, m0, m1
movu m3, [r4]
pavgw m2, m3
OP_MOV [r0], m2
add r0, r2
add r1, r2
add r4, r2
dec r3d
jg .nextrow
rep ret
%endmacro
MC_CACHE MC10
;-----------------------------------------------------------------------------
; void h264_qpel_mc02(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro V_FILT 11
v_filt%9_%10_10_%11:
add r4, r2
.no_addr4:
FILT_V m0, m1, m2, m3, m4, m5, m6, m7
add r1, r2
add r0, r2
ret
%endmacro
INIT_MMX
RESET_MM_PERMUTATION
%assign i 0
%rep 4
V_FILT m0, m1, m2, m3, m4, m5, m6, m7, 4, i, mmxext
SWAP 0,1,2,3,4,5
%assign i i+1
%endrep
INIT_XMM
RESET_MM_PERMUTATION
%assign i 0
%rep 6
V_FILT m0, m1, m2, m3, m4, m5, m6, m7, 8, i, sse2
SWAP 0,1,2,3,4,5
%assign i i+1
%endrep
%macro MC02 3
cglobal_mc %1, %2, mc02, %3, 3,4,8
PRELOAD_V
sub r0, r2
%assign j 0
%rep %3
%assign i (j % 6)
call v_filt%3_ %+ i %+ _10_%1.no_addr4
OP_MOV [r0], m0
SWAP 0,1,2,3,4,5
%assign j j+1
%endrep
ret
%endmacro
MC MC02
;-----------------------------------------------------------------------------
; void h264_qpel_mc01(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC01 3
cglobal_mc %1, %2, mc01, %3, 3,5,8
mov r4, r1
.body
PRELOAD_V
sub r4, r2
sub r0, r2
%assign j 0
%rep %3
%assign i (j % 6)
call v_filt%3_ %+ i %+ _10_%1
movu m7, [r4]
pavgw m0, m7
OP_MOV [r0], m0
SWAP 0,1,2,3,4,5
%assign j j+1
%endrep
ret
%endmacro
MC MC01
;-----------------------------------------------------------------------------
; void h264_qpel_mc03(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC03 3
cglobal_mc %1, %2, mc03, %3, 3,5,8
lea r4, [r1+r2]
jmp stub_%2_h264_qpel%3_mc01_10_%1.body
%endmacro
MC MC03
;-----------------------------------------------------------------------------
; void h264_qpel_mc11(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro H_FILT_AVG 3-4
h_filt%2_%3_10_%1:
;FILT_H with fewer registers and averaged with the FILT_V result
;m6,m7 are tmp registers, m0 is the FILT_V result, the rest are to be used next in the next iteration
;unfortunately I need three registers, so m5 will have to be re-read from memory
movu m5, [r4-4]
ADDW m5, [r4+6], m7
movu m6, [r4-2]
ADDW m6, [r4+4], m7
paddw m5, [pw_16]
psubw m5, m6 ; a-b
psraw m5, 2 ; (a-b)/4
psubw m5, m6 ; (a-b)/4-b
movu m6, [r4+0]
ADDW m6, [r4+2], m7
paddw m5, m6 ; (a-b)/4-b+c
psraw m5, 2 ; ((a-b)/4-b+c)/4
paddw m5, m6 ; ((a-b)/4-b+c)/4+c = (a-5*b+20*c)/16
psraw m5, 1
CLIPW m5, [pb_0], [pw_pixel_max]
;avg FILT_V, FILT_H
pavgw m0, m5
%if %0!=4
movu m5, [r1+r5]
%endif
ret
%endmacro
INIT_MMX
RESET_MM_PERMUTATION
%assign i 0
%rep 3
H_FILT_AVG mmxext, 4, i
SWAP 0,1,2,3,4,5
%assign i i+1
%endrep
H_FILT_AVG mmxext, 4, i, 0
INIT_XMM
RESET_MM_PERMUTATION
%assign i 0
%rep 6
%if i==1
H_FILT_AVG sse2, 8, i, 0
%else
H_FILT_AVG sse2, 8, i
%endif
SWAP 0,1,2,3,4,5
%assign i i+1
%endrep
%macro MC11 3
; this REALLY needs x86_64
cglobal_mc %1, %2, mc11, %3, 3,6,8
mov r4, r1
.body
PRELOAD_V
sub r0, r2
sub r4, r2
mov r5, r2
neg r5
%assign j 0
%rep %3
%assign i (j % 6)
call v_filt%3_ %+ i %+ _10_%1
call h_filt%3_ %+ i %+ _10_%1
%if %3==8 && i==1
movu m5, [r1+r5]
%endif
OP_MOV [r0], m0
SWAP 0,1,2,3,4,5
%assign j j+1
%endrep
ret
%endmacro
MC MC11
;-----------------------------------------------------------------------------
; void h264_qpel_mc31(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC31 3
cglobal_mc %1, %2, mc31, %3, 3,6,8
mov r4, r1
add r1, 2
jmp stub_%2_h264_qpel%3_mc11_10_%1.body
%endmacro
MC MC31
;-----------------------------------------------------------------------------
; void h264_qpel_mc13(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC13 3
cglobal_mc %1, %2, mc13, %3, 3,7,12
lea r4, [r1+r2]
jmp stub_%2_h264_qpel%3_mc11_10_%1.body
%endmacro
MC MC13
;-----------------------------------------------------------------------------
; void h264_qpel_mc33(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC33 3
cglobal_mc %1, %2, mc33, %3, 3,6,8
lea r4, [r1+r2]
add r1, 2
jmp stub_%2_h264_qpel%3_mc11_10_%1.body
%endmacro
MC MC33
;-----------------------------------------------------------------------------
; void h264_qpel_mc22(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro FILT_H2 3
psubw %1, %2 ; a-b
psubw %2, %3 ; b-c
psllw %2, 2
psubw %1, %2 ; a-5*b+4*c
psllw %3, 4
paddw %1, %3 ; a-5*b+20*c
%endmacro
%macro FILT_VNRD 8
movu %6, [r1]
paddw %1, %6
mova %7, %2
paddw %7, %5
mova %8, %3
paddw %8, %4
FILT_H2 %1, %7, %8
%endmacro
%macro HV 2
%ifidn %1,sse2
%define PAD 12
%define COUNT 2
%else
%define PAD 4
%define COUNT 3
%endif
put_hv%2_10_%1:
neg r2 ; This actually saves instructions
lea r1, [r1+r2*2-mmsize+PAD]
lea r4, [rsp+PAD+gprsize]
mov r3d, COUNT
.v_loop:
movu m0, [r1]
sub r1, r2
movu m1, [r1]
sub r1, r2
movu m2, [r1]
sub r1, r2
movu m3, [r1]
sub r1, r2
movu m4, [r1]
sub r1, r2
%assign i 0
%rep %2-1
FILT_VNRD m0, m1, m2, m3, m4, m5, m6, m7
psubw m0, [pad20]
movu [r4+i*mmsize*3], m0
sub r1, r2
SWAP 0,1,2,3,4,5
%assign i i+1
%endrep
FILT_VNRD m0, m1, m2, m3, m4, m5, m6, m7
psubw m0, [pad20]
movu [r4+i*mmsize*3], m0
add r4, mmsize
lea r1, [r1+r2*8+mmsize]
%if %2==8
lea r1, [r1+r2*4]
%endif
dec r3d
jg .v_loop
neg r2
ret
%endmacro
INIT_MMX
HV mmxext, 4
INIT_XMM
HV sse2 , 8
%macro H_LOOP 2
%if num_mmregs > 8
%define s1 m8
%define s2 m9
%define s3 m10
%define d1 m11
%else
%define s1 [tap1]
%define s2 [tap2]
%define s3 [tap3]
%define d1 [depad]
%endif
h%2_loop_op_%1:
movu m1, [r1+mmsize-4]
movu m2, [r1+mmsize-2]
mova m3, [r1+mmsize+0]
movu m4, [r1+mmsize+2]
movu m5, [r1+mmsize+4]
movu m6, [r1+mmsize+6]
%if num_mmregs > 8
pmaddwd m1, s1
pmaddwd m2, s1
pmaddwd m3, s2
pmaddwd m4, s2
pmaddwd m5, s3
pmaddwd m6, s3
paddd m1, d1
paddd m2, d1
%else
mova m0, s1
pmaddwd m1, m0
pmaddwd m2, m0
mova m0, s2
pmaddwd m3, m0
pmaddwd m4, m0
mova m0, s3
pmaddwd m5, m0
pmaddwd m6, m0
mova m0, d1
paddd m1, m0
paddd m2, m0
%endif
paddd m3, m5
paddd m4, m6
paddd m1, m3
paddd m2, m4
psrad m1, 10
psrad m2, 10
pslld m2, 16
pand m1, [pd_0f]
por m1, m2
%if num_mmregs <= 8
pxor m0, m0
%endif
CLIPW m1, m0, m7
add r1, mmsize*3
ret
%endmacro
INIT_MMX
H_LOOP mmxext, 4
INIT_XMM
H_LOOP sse2 , 8
%macro MC22 3
cglobal_mc %1, %2, mc22, %3, 3,7,12
%define PAD mmsize*8*4*2 ; SIZE*16*4*sizeof(pixel)
mov r6, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
sub rsp, PAD
call put_hv%3_10_%1
mov r3d, %3
mova m7, [pw_pixel_max]
%if num_mmregs > 8
pxor m0, m0
mova m8, [tap1]
mova m9, [tap2]
mova m10, [tap3]
mova m11, [depad]
%endif
mov r1, rsp
.h_loop:
call h%3_loop_op_%1
OP_MOV [r0], m1
add r0, r2
dec r3d
jg .h_loop
mov rsp, r6 ; restore stack pointer
ret
%endmacro
MC MC22
;-----------------------------------------------------------------------------
; void h264_qpel_mc12(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC12 3
cglobal_mc %1, %2, mc12, %3, 3,7,12
%define PAD mmsize*8*4*2 ; SIZE*16*4*sizeof(pixel)
mov r6, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
sub rsp, PAD
call put_hv%3_10_%1
xor r4d, r4d
.body
mov r3d, %3
pxor m0, m0
mova m7, [pw_pixel_max]
%if num_mmregs > 8
mova m8, [tap1]
mova m9, [tap2]
mova m10, [tap3]
mova m11, [depad]
%endif
mov r1, rsp
.h_loop:
call h%3_loop_op_%1
movu m3, [r1+r4-2*mmsize] ; movu needed for mc32, etc
paddw m3, [depad2]
psrlw m3, 5
psubw m3, [unpad]
CLIPW m3, m0, m7
pavgw m1, m3
OP_MOV [r0], m1
add r0, r2
dec r3d
jg .h_loop
mov rsp, r6 ; restore stack pointer
ret
%endmacro
MC MC12
;-----------------------------------------------------------------------------
; void h264_qpel_mc32(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC32 3
cglobal_mc %1, %2, mc32, %3, 3,7,12
%define PAD mmsize*8*3*2 ; SIZE*16*4*sizeof(pixel)
mov r6, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
sub rsp, PAD
call put_hv%3_10_%1
mov r4d, 2 ; sizeof(pixel)
jmp stub_%2_h264_qpel%3_mc12_10_%1.body
%endmacro
MC MC32
;-----------------------------------------------------------------------------
; void h264_qpel_mc21(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro H_NRD 2
put_h%2_10_%1:
add rsp, gprsize
mov r3d, %2
xor r4d, r4d
mova m6, [pad20]
.nextrow
movu m2, [r5-4]
movu m3, [r5-2]
movu m4, [r5+0]
ADDW m2, [r5+6], m5
ADDW m3, [r5+4], m5
ADDW m4, [r5+2], m5
FILT_H2 m2, m3, m4
psubw m2, m6
mova [rsp+r4], m2
add r4d, mmsize*3
add r5, r2
dec r3d
jg .nextrow
sub rsp, gprsize
ret
%endmacro
INIT_MMX
H_NRD mmxext, 4
INIT_XMM
H_NRD sse2 , 8
%macro MC21 3
cglobal_mc %1, %2, mc21, %3, 3,7,12
mov r5, r1
.body
%define PAD mmsize*8*3*2 ; SIZE*16*4*sizeof(pixel)
mov r6, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
sub rsp, PAD
call put_h%3_10_%1
sub rsp, PAD
call put_hv%3_10_%1
mov r4d, PAD-mmsize ; H buffer
jmp stub_%2_h264_qpel%3_mc12_10_%1.body
%endmacro
MC MC21
;-----------------------------------------------------------------------------
; void h264_qpel_mc23(uint8_t *dst, uint8_t *src, int stride)
;-----------------------------------------------------------------------------
%macro MC23 3
cglobal_mc %1, %2, mc23, %3, 3,7,12
lea r5, [r1+r2]
jmp stub_%2_h264_qpel%3_mc21_10_%1.body
%endmacro
MC MC23
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