ref: 677dcb7c4093e512c52d6d164d3b3daabf00d595
dir: /src/x86/ipred.asm/
; Copyright © 2018, VideoLAN and dav1d authors
; Copyright © 2018, Two Orioles, LLC
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
;
; 1. Redistributions of source code must retain the above copyright notice, this
; list of conditions and the following disclaimer.
;
; 2. Redistributions in binary form must reproduce the above copyright notice,
; this list of conditions and the following disclaimer in the documentation
; and/or other materials provided with the distribution.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
; ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
; ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
%include "config.asm"
%include "ext/x86/x86inc.asm"
%if ARCH_X86_64
SECTION_RODATA 32
%macro SMOOTH_WEIGHT_TABLE 1-*
%rep %0
db %1-128, 127-%1
%rotate 1
%endrep
%endmacro
; sm_weights[], but modified to precalculate x and 256-x with offsets to
; enable efficient use of pmaddubsw (which requires signed values)
smooth_weights: SMOOTH_WEIGHT_TABLE \
0, 0, 255, 128, 255, 149, 85, 64, \
255, 197, 146, 105, 73, 50, 37, 32, \
255, 225, 196, 170, 145, 123, 102, 84, \
68, 54, 43, 33, 26, 20, 17, 16, \
255, 240, 225, 210, 196, 182, 169, 157, \
145, 133, 122, 111, 101, 92, 83, 74, \
66, 59, 52, 45, 39, 34, 29, 25, \
21, 17, 14, 12, 10, 9, 8, 8, \
255, 248, 240, 233, 225, 218, 210, 203, \
196, 189, 182, 176, 169, 163, 156, 150, \
144, 138, 133, 127, 121, 116, 111, 106, \
101, 96, 91, 86, 82, 77, 73, 69, \
65, 61, 57, 54, 50, 47, 44, 41, \
38, 35, 32, 29, 27, 25, 22, 20, \
18, 16, 15, 13, 12, 10, 9, 8, \
7, 6, 6, 5, 5, 4, 4, 4
ipred_v_shuf: db 0, 1, 0, 1, 4, 5, 4, 5, 8, 9, 8, 9, 12, 13, 12, 13
db 2, 3, 2, 3, 6, 7, 6, 7, 10, 11, 10, 11, 14, 15, 14, 15
ipred_h_shuf: db 7, 7, 7, 7, 3, 3, 3, 3, 5, 5, 5, 5, 1, 1, 1, 1
db 6, 6, 6, 6, 2, 2, 2, 2, 4, 4, 4, 4, 0, 0, 0, 0
pb_1: times 4 db 1
pb_128: times 4 db 128
pw_128: times 2 dw 128
pw_255: times 2 dw 255
pb_127_m127: times 2 db 127, -127
%macro JMP_TABLE 3-*
%xdefine %1_%2_table (%%table - 2*4)
%xdefine %%base mangle(private_prefix %+ _%1_%2)
%%table:
%rep %0 - 2
dd %%base %+ .%3 - (%%table - 2*4)
%rotate 1
%endrep
%endmacro
%define ipred_dc_splat_avx2_table (ipred_dc_avx2_table + 10*4)
JMP_TABLE ipred_smooth, avx2, w4, w8, w16, w32, w64
JMP_TABLE ipred_smooth_v, avx2, w4, w8, w16, w32, w64
JMP_TABLE ipred_smooth_h, avx2, w4, w8, w16, w32, w64
JMP_TABLE ipred_paeth, avx2, w4, w8, w16, w32, w64
JMP_TABLE ipred_dc, avx2, h4, h8, h16, h32, h64, w4, w8, w16, w32, w64, \
s4-10*4, s8-10*4, s16-10*4, s32-10*4, s64-10*4
JMP_TABLE ipred_dc_left, avx2, h4, h8, h16, h32, h64
JMP_TABLE ipred_h, avx2, w4, w8, w16, w32, w64
SECTION .text
INIT_YMM avx2
cglobal ipred_dc_top, 3, 7, 6, dst, stride, tl, w, h
lea r5, [ipred_dc_left_avx2_table]
tzcnt wd, wm
inc tlq
movu m0, [tlq]
movifnidn hd, hm
mov r6d, 0x8000
shrx r6d, r6d, wd
movd xm3, r6d
movsxd r6, [r5+wq*4]
pcmpeqd m2, m2
pmaddubsw m0, m2
add r6, r5
add r5, ipred_dc_splat_avx2_table-ipred_dc_left_avx2_table
movsxd wq, [r5+wq*4]
add wq, r5
jmp r6
cglobal ipred_dc_left, 3, 7, 6, dst, stride, tl, w, h, stride3
mov hd, hm ; zero upper half
tzcnt r6d, hd
sub tlq, hq
tzcnt wd, wm
movu m0, [tlq]
mov r5d, 0x8000
shrx r5d, r5d, r6d
movd xm3, r5d
lea r5, [ipred_dc_left_avx2_table]
movsxd r6, [r5+r6*4]
pcmpeqd m2, m2
pmaddubsw m0, m2
add r6, r5
add r5, ipred_dc_splat_avx2_table-ipred_dc_left_avx2_table
movsxd wq, [r5+wq*4]
add wq, r5
jmp r6
.h64:
movu m1, [tlq+32] ; unaligned when jumping here from dc_top
pmaddubsw m1, m2
paddw m0, m1
.h32:
vextracti128 xm1, m0, 1
paddw xm0, xm1
.h16:
punpckhqdq xm1, xm0, xm0
paddw xm0, xm1
.h8:
psrlq xm1, xm0, 32
paddw xm0, xm1
.h4:
pmaddwd xm0, xm2
pmulhrsw xm0, xm3
lea stride3q, [strideq*3]
vpbroadcastb m0, xm0
mova m1, m0
jmp wq
cglobal ipred_dc, 3, 7, 6, dst, stride, tl, w, h, stride3
movifnidn hd, hm
movifnidn wd, wm
tzcnt r6d, hd
lea r5d, [wq+hq]
movd xm4, r5d
tzcnt r5d, r5d
movd xm5, r5d
lea r5, [ipred_dc_avx2_table]
tzcnt wd, wd
movsxd r6, [r5+r6*4]
movsxd wq, [r5+wq*4+5*4]
pcmpeqd m3, m3
psrlw xm4, 1
add r6, r5
add wq, r5
lea stride3q, [strideq*3]
jmp r6
.h4:
movd xm0, [tlq-4]
pmaddubsw xm0, xm3
jmp wq
.w4:
movd xm1, [tlq+1]
pmaddubsw xm1, xm3
psubw xm0, xm4
paddw xm0, xm1
pmaddwd xm0, xm3
cmp hd, 4
jg .w4_mul
psrlw xm0, 3
jmp .w4_end
.w4_mul:
punpckhqdq xm1, xm0, xm0
lea r2d, [hq*2]
mov r6d, 0x55563334
paddw xm0, xm1
shrx r6d, r6d, r2d
psrlq xm1, xm0, 32
paddw xm0, xm1
movd xm1, r6d
psrlw xm0, 2
pmulhuw xm0, xm1
.w4_end:
vpbroadcastb xm0, xm0
.s4:
movd [dstq+strideq*0], xm0
movd [dstq+strideq*1], xm0
movd [dstq+strideq*2], xm0
movd [dstq+stride3q ], xm0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s4
RET
ALIGN function_align
.h8:
movq xm0, [tlq-8]
pmaddubsw xm0, xm3
jmp wq
.w8:
movq xm1, [tlq+1]
vextracti128 xm2, m0, 1
pmaddubsw xm1, xm3
psubw xm0, xm4
paddw xm0, xm2
punpckhqdq xm2, xm0, xm0
paddw xm0, xm2
paddw xm0, xm1
psrlq xm1, xm0, 32
paddw xm0, xm1
pmaddwd xm0, xm3
psrlw xm0, xm5
cmp hd, 8
je .w8_end
mov r6d, 0x5556
mov r2d, 0x3334
cmp hd, 32
cmovz r6d, r2d
movd xm1, r6d
pmulhuw xm0, xm1
.w8_end:
vpbroadcastb xm0, xm0
.s8:
movq [dstq+strideq*0], xm0
movq [dstq+strideq*1], xm0
movq [dstq+strideq*2], xm0
movq [dstq+stride3q ], xm0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s8
RET
ALIGN function_align
.h16:
mova xm0, [tlq-16]
pmaddubsw xm0, xm3
jmp wq
.w16:
movu xm1, [tlq+1]
vextracti128 xm2, m0, 1
pmaddubsw xm1, xm3
psubw xm0, xm4
paddw xm0, xm2
paddw xm0, xm1
punpckhqdq xm1, xm0, xm0
paddw xm0, xm1
psrlq xm1, xm0, 32
paddw xm0, xm1
pmaddwd xm0, xm3
psrlw xm0, xm5
cmp hd, 16
je .w16_end
mov r6d, 0x5556
mov r2d, 0x3334
test hb, 8|32
cmovz r6d, r2d
movd xm1, r6d
pmulhuw xm0, xm1
.w16_end:
vpbroadcastb xm0, xm0
.s16:
mova [dstq+strideq*0], xm0
mova [dstq+strideq*1], xm0
mova [dstq+strideq*2], xm0
mova [dstq+stride3q ], xm0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s16
RET
ALIGN function_align
.h32:
mova m0, [tlq-32]
pmaddubsw m0, m3
jmp wq
.w32:
movu m1, [tlq+1]
pmaddubsw m1, m3
paddw m0, m1
vextracti128 xm1, m0, 1
psubw xm0, xm4
paddw xm0, xm1
punpckhqdq xm1, xm0, xm0
paddw xm0, xm1
psrlq xm1, xm0, 32
paddw xm0, xm1
pmaddwd xm0, xm3
psrlw xm0, xm5
cmp hd, 32
je .w32_end
lea r2d, [hq*2]
mov r6d, 0x33345556
shrx r6d, r6d, r2d
movd xm1, r6d
pmulhuw xm0, xm1
.w32_end:
vpbroadcastb m0, xm0
.s32:
mova [dstq+strideq*0], m0
mova [dstq+strideq*1], m0
mova [dstq+strideq*2], m0
mova [dstq+stride3q ], m0
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s32
RET
ALIGN function_align
.h64:
mova m0, [tlq-64]
mova m1, [tlq-32]
pmaddubsw m0, m3
pmaddubsw m1, m3
paddw m0, m1
jmp wq
.w64:
movu m1, [tlq+ 1]
movu m2, [tlq+33]
pmaddubsw m1, m3
pmaddubsw m2, m3
paddw m0, m1
paddw m0, m2
vextracti128 xm1, m0, 1
psubw xm0, xm4
paddw xm0, xm1
punpckhqdq xm1, xm0, xm0
paddw xm0, xm1
psrlq xm1, xm0, 32
paddw xm0, xm1
pmaddwd xm0, xm3
psrlw xm0, xm5
cmp hd, 64
je .w64_end
mov r6d, 0x33345556
shrx r6d, r6d, hd
movd xm1, r6d
pmulhuw xm0, xm1
.w64_end:
vpbroadcastb m0, xm0
mova m1, m0
.s64:
mova [dstq+strideq*0+32*0], m0
mova [dstq+strideq*0+32*1], m1
mova [dstq+strideq*1+32*0], m0
mova [dstq+strideq*1+32*1], m1
mova [dstq+strideq*2+32*0], m0
mova [dstq+strideq*2+32*1], m1
mova [dstq+stride3q +32*0], m0
mova [dstq+stride3q +32*1], m1
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .s64
RET
cglobal ipred_dc_128, 2, 7, 6, dst, stride, tl, w, h, stride3
lea r5, [ipred_dc_splat_avx2_table]
tzcnt wd, wm
movifnidn hd, hm
movsxd wq, [r5+wq*4]
vpbroadcastd m0, [r5-ipred_dc_splat_avx2_table+pb_128]
mova m1, m0
add wq, r5
lea stride3q, [strideq*3]
jmp wq
cglobal ipred_v, 3, 7, 6, dst, stride, tl, w, h, stride3
lea r5, [ipred_dc_splat_avx2_table]
tzcnt wd, wm
movu m0, [tlq+ 1]
movu m1, [tlq+33]
movifnidn hd, hm
movsxd wq, [r5+wq*4]
add wq, r5
lea stride3q, [strideq*3]
jmp wq
%macro IPRED_H 2 ; w, store_type
vpbroadcastb m0, [tlq-1]
vpbroadcastb m1, [tlq-2]
vpbroadcastb m2, [tlq-3]
sub tlq, 4
vpbroadcastb m3, [tlq+0]
mov%2 [dstq+strideq*0], m0
mov%2 [dstq+strideq*1], m1
mov%2 [dstq+strideq*2], m2
mov%2 [dstq+stride3q ], m3
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w%1
RET
ALIGN function_align
%endmacro
INIT_XMM avx2
cglobal ipred_h, 3, 6, 4, dst, stride, tl, w, h, stride3
lea r5, [ipred_h_avx2_table]
tzcnt wd, wm
movifnidn hd, hm
movsxd wq, [r5+wq*4]
add wq, r5
lea stride3q, [strideq*3]
jmp wq
.w4:
IPRED_H 4, d
.w8:
IPRED_H 8, q
.w16:
IPRED_H 16, a
INIT_YMM avx2
.w32:
IPRED_H 32, a
.w64:
vpbroadcastb m0, [tlq-1]
vpbroadcastb m1, [tlq-2]
vpbroadcastb m2, [tlq-3]
sub tlq, 4
vpbroadcastb m3, [tlq+0]
mova [dstq+strideq*0+32*0], m0
mova [dstq+strideq*0+32*1], m0
mova [dstq+strideq*1+32*0], m1
mova [dstq+strideq*1+32*1], m1
mova [dstq+strideq*2+32*0], m2
mova [dstq+strideq*2+32*1], m2
mova [dstq+stride3q +32*0], m3
mova [dstq+stride3q +32*1], m3
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w64
RET
%macro PAETH 2 ; top, ldiff
pavgb m1, m%1, m3 ; Calculating tldiff normally requires
pxor m0, m%1, m3 ; 10-bit intermediates, but we can do it
pand m0, m4 ; in 8-bit with some tricks which avoids
psubusb m2, m5, m1 ; having to unpack everything to 16-bit.
psubb m1, m0
psubusb m1, m5
por m1, m2
paddusb m1, m1
por m1, m0 ; min(tldiff, 255)
psubusb m2, m5, m3
psubusb m0, m3, m5
por m2, m0 ; tdiff
pminub m2, m%2
pcmpeqb m0, m%2, m2 ; ldiff <= tdiff
vpblendvb m0, m%1, m3, m0
pminub m1, m2
pcmpeqb m1, m2 ; ldiff <= tldiff || tdiff <= tldiff
vpblendvb m0, m5, m0, m1
%endmacro
cglobal ipred_paeth, 3, 6, 9, dst, stride, tl, w, h
%define base r5-ipred_paeth_avx2_table
lea r5, [ipred_paeth_avx2_table]
tzcnt wd, wm
vpbroadcastb m5, [tlq] ; topleft
movifnidn hd, hm
movsxd wq, [r5+wq*4]
vpbroadcastd m4, [base+pb_1]
add wq, r5
jmp wq
.w4:
vpbroadcastd m6, [tlq+1] ; top
mova m8, [base+ipred_h_shuf]
lea r3, [strideq*3]
psubusb m7, m5, m6
psubusb m0, m6, m5
por m7, m0 ; ldiff
.w4_loop:
sub tlq, 8
vpbroadcastq m3, [tlq]
pshufb m3, m8 ; left
PAETH 6, 7
vextracti128 xm1, m0, 1
movd [dstq+strideq*0], xm0
movd [dstq+strideq*1], xm1
pextrd [dstq+strideq*2], xm0, 2
pextrd [dstq+r3 ], xm1, 2
cmp hd, 4
je .ret
lea dstq, [dstq+strideq*4]
pextrd [dstq+strideq*0], xm0, 1
pextrd [dstq+strideq*1], xm1, 1
pextrd [dstq+strideq*2], xm0, 3
pextrd [dstq+r3 ], xm1, 3
lea dstq, [dstq+strideq*4]
sub hd, 8
jg .w4_loop
.ret:
RET
ALIGN function_align
.w8:
vpbroadcastq m6, [tlq+1]
mova m8, [base+ipred_h_shuf]
lea r3, [strideq*3]
psubusb m7, m5, m6
psubusb m0, m6, m5
por m7, m0
.w8_loop:
sub tlq, 4
vpbroadcastd m3, [tlq]
pshufb m3, m8
PAETH 6, 7
vextracti128 xm1, m0, 1
movq [dstq+strideq*0], xm0
movq [dstq+strideq*1], xm1
movhps [dstq+strideq*2], xm0
movhps [dstq+r3 ], xm1
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w8_loop
RET
ALIGN function_align
.w16:
vbroadcasti128 m6, [tlq+1]
mova xm8, xm4 ; lower half = 1, upper half = 0
psubusb m7, m5, m6
psubusb m0, m6, m5
por m7, m0
.w16_loop:
sub tlq, 2
vpbroadcastd m3, [tlq]
pshufb m3, m8
PAETH 6, 7
mova [dstq+strideq*0], xm0
vextracti128 [dstq+strideq*1], m0, 1
lea dstq, [dstq+strideq*2]
sub hd, 2
jg .w16_loop
RET
ALIGN function_align
.w32:
movu m6, [tlq+1]
psubusb m7, m5, m6
psubusb m0, m6, m5
por m7, m0
.w32_loop:
dec tlq
vpbroadcastb m3, [tlq]
PAETH 6, 7
mova [dstq], m0
add dstq, strideq
dec hd
jg .w32_loop
RET
ALIGN function_align
.w64:
movu m6, [tlq+ 1]
movu m7, [tlq+33]
%if WIN64
movaps r4m, xmm9
%endif
psubusb m8, m5, m6
psubusb m0, m6, m5
psubusb m9, m5, m7
psubusb m1, m7, m5
por m8, m0
por m9, m1
.w64_loop:
dec tlq
vpbroadcastb m3, [tlq]
PAETH 6, 8
mova [dstq+32*0], m0
PAETH 7, 9
mova [dstq+32*1], m0
add dstq, strideq
dec hd
jg .w64_loop
%if WIN64
movaps xmm9, r4m
%endif
RET
%macro SMOOTH 6 ; src[1-2], mul[1-2], add[1-2]
; w * a = (w - 128) * a + 128 * a
; (256 - w) * b = (127 - w) * b + 129 * b
pmaddubsw m0, m%3, m%1
pmaddubsw m1, m%4, m%2
paddw m0, m%5
paddw m1, m%6
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
%endmacro
cglobal ipred_smooth_v, 3, 7, 0, dst, stride, tl, w, h, weights
%define base r6-ipred_smooth_v_avx2_table
lea r6, [ipred_smooth_v_avx2_table]
tzcnt wd, wm
mov hd, hm
movsxd wq, [r6+wq*4]
vpbroadcastd m0, [base+pb_127_m127]
vpbroadcastd m1, [base+pw_128]
lea weightsq, [base+smooth_weights+hq*4]
neg hq
vpbroadcastb m5, [tlq+hq] ; bottom
add wq, r6
jmp wq
.w4:
vpbroadcastd m2, [tlq+1]
punpcklbw m2, m5 ; top, bottom
mova m5, [base+ipred_v_shuf]
lea r3, [strideq*3]
punpckldq m4, m5, m5
punpckhdq m5, m5
pmaddubsw m3, m2, m0
paddw m1, m2 ; 1 * top + 256 * bottom + 128, overflow is ok
paddw m3, m1 ; 128 * top + 129 * bottom + 128
.w4_loop:
vbroadcasti128 m1, [weightsq+hq*2]
pshufb m0, m1, m4
pshufb m1, m5
SMOOTH 0, 1, 2, 2, 3, 3
vextracti128 xm1, m0, 1
movd [dstq+strideq*0], xm0
movd [dstq+strideq*1], xm1
pextrd [dstq+strideq*2], xm0, 1
pextrd [dstq+r3 ], xm1, 1
cmp hd, -4
je .ret
lea dstq, [dstq+strideq*4]
pextrd [dstq+strideq*0], xm0, 2
pextrd [dstq+strideq*1], xm1, 2
pextrd [dstq+strideq*2], xm0, 3
pextrd [dstq+r3 ], xm1, 3
lea dstq, [dstq+strideq*4]
add hq, 8
jl .w4_loop
.ret:
RET
ALIGN function_align
.w8:
vpbroadcastq m2, [tlq+1]
punpcklbw m2, m5
mova m5, [base+ipred_v_shuf]
lea r3, [strideq*3]
pshufd m4, m5, q0000
pshufd m5, m5, q1111
pmaddubsw m3, m2, m0
paddw m1, m2
paddw m3, m1
.w8_loop:
vpbroadcastq m1, [weightsq+hq*2]
pshufb m0, m1, m4
pshufb m1, m5
SMOOTH 0, 1, 2, 2, 3, 3
vextracti128 xm1, m0, 1
movq [dstq+strideq*0], xm0
movq [dstq+strideq*1], xm1
movhps [dstq+strideq*2], xm0
movhps [dstq+r3 ], xm1
lea dstq, [dstq+strideq*4]
add hq, 4
jl .w8_loop
RET
ALIGN function_align
.w16:
WIN64_SPILL_XMM 7
vbroadcasti128 m3, [tlq+1]
mova m6, [base+ipred_v_shuf]
punpcklbw m2, m3, m5
punpckhbw m3, m5
pmaddubsw m4, m2, m0
pmaddubsw m5, m3, m0
paddw m0, m1, m2
paddw m1, m3
paddw m4, m0
paddw m5, m1
.w16_loop:
vpbroadcastd m1, [weightsq+hq*2]
pshufb m1, m6
SMOOTH 1, 1, 2, 3, 4, 5
mova [dstq+strideq*0], xm0
vextracti128 [dstq+strideq*1], m0, 1
lea dstq, [dstq+strideq*2]
add hq, 2
jl .w16_loop
RET
ALIGN function_align
.w32:
%assign stack_offset stack_offset - stack_size_padded
WIN64_SPILL_XMM 6
movu m3, [tlq+1]
punpcklbw m2, m3, m5
punpckhbw m3, m5
pmaddubsw m4, m2, m0
pmaddubsw m5, m3, m0
paddw m0, m1, m2
paddw m1, m3
paddw m4, m0
paddw m5, m1
.w32_loop:
vpbroadcastw m1, [weightsq+hq*2]
SMOOTH 1, 1, 2, 3, 4, 5
mova [dstq], m0
add dstq, strideq
inc hq
jl .w32_loop
RET
ALIGN function_align
.w64:
WIN64_SPILL_XMM 11
movu m4, [tlq+ 1]
movu m8, [tlq+33]
punpcklbw m3, m4, m5
punpckhbw m4, m5
punpcklbw m7, m8, m5
punpckhbw m8, m5
pmaddubsw m5, m3, m0
pmaddubsw m6, m4, m0
pmaddubsw m9, m7, m0
pmaddubsw m10, m8, m0
paddw m2, m1, m3
paddw m5, m2
paddw m2, m1, m4
paddw m6, m2
paddw m0, m1, m7
paddw m9, m0
paddw m1, m8
paddw m10, m1
.w64_loop:
vpbroadcastw m2, [weightsq+hq*2]
SMOOTH 2, 2, 3, 4, 5, 6
mova [dstq+32*0], m0
SMOOTH 2, 2, 7, 8, 9, 10
mova [dstq+32*1], m0
add dstq, strideq
inc hq
jl .w64_loop
RET
%macro SETUP_STACK_FRAME 3 ; stack_size, regs_used, xmm_regs_used
%assign stack_offset 0
%assign stack_size_padded 0
%assign regs_used %2
%xdefine rstk rsp
SETUP_STACK_POINTER %1
%if regs_used != %2 && WIN64
PUSH r%2
%endif
ALLOC_STACK %1, %3
%endmacro
cglobal ipred_smooth_h, 3, 7, 0, dst, stride, tl, w, h
%define base r6-ipred_smooth_h_avx2_table
lea r6, [ipred_smooth_h_avx2_table]
mov wd, wm
vpbroadcastb m3, [tlq+wq] ; right
tzcnt wd, wd
mov hd, hm
movsxd wq, [r6+wq*4]
vpbroadcastd m4, [base+pb_127_m127]
vpbroadcastd m5, [base+pw_128]
add wq, r6
jmp wq
.w4:
WIN64_SPILL_XMM 8
vpbroadcastq m6, [base+smooth_weights+4*2]
mova m7, [base+ipred_h_shuf]
sub tlq, 8
sub tlq, hq
lea r3, [strideq*3]
.w4_loop:
vpbroadcastq m2, [tlq+hq]
pshufb m2, m7
punpcklbw m1, m2, m3 ; left, right
punpckhbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m6
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
pmaddubsw m2, m6
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
vextracti128 xm1, m0, 1
movd [dstq+strideq*0], xm0
movd [dstq+strideq*1], xm1
pextrd [dstq+strideq*2], xm0, 2
pextrd [dstq+r3 ], xm1, 2
cmp hd, 4
je .ret
lea dstq, [dstq+strideq*4]
pextrd [dstq+strideq*0], xm0, 1
pextrd [dstq+strideq*1], xm1, 1
pextrd [dstq+strideq*2], xm0, 3
pextrd [dstq+r3 ], xm1, 3
lea dstq, [dstq+strideq*4]
sub hd, 8
jg .w4_loop
.ret:
RET
ALIGN function_align
.w8:
%assign stack_offset stack_offset - stack_size_padded
WIN64_SPILL_XMM 8
vbroadcasti128 m6, [base+smooth_weights+8*2]
mova m7, [base+ipred_h_shuf]
sub tlq, 4
lea r3, [strideq*3]
sub tlq, hq
.w8_loop:
vpbroadcastd m2, [tlq+hq]
pshufb m2, m7
punpcklbw m1, m2, m3
punpckhbw m2, m3
pmaddubsw m0, m1, m4
paddw m0, m1
pmaddubsw m1, m6
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m1, m2
pmaddubsw m2, m6
paddw m2, m5
paddw m1, m2
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
vextracti128 xm1, m0, 1
movq [dstq+strideq*0], xm0
movq [dstq+strideq*1], xm1
movhps [dstq+strideq*2], xm0
movhps [dstq+r3 ], xm1
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w8_loop
RET
ALIGN function_align
.w16:
SETUP_STACK_FRAME 32*4, 7, 8
lea r3, [rsp+64*2-4]
call .prep ; only worthwhile for for w16 and above
sub tlq, 2
vpbroadcastd xm6, [base+pb_1]
mova xm7, [base+ipred_v_shuf+16]
vinserti128 m7, [base+ipred_v_shuf+ 0], 1
vbroadcasti128 m4, [base+smooth_weights+16*2]
vbroadcasti128 m5, [base+smooth_weights+16*3]
.w16_loop:
vpbroadcastd m1, [tlq+hq]
vpbroadcastd m2, [r3+hq*2]
pshufb m1, m6
punpcklbw m1, m3
pshufb m2, m7
SMOOTH 4, 5, 1, 1, 2, 2
mova [dstq+strideq*0], xm0
vextracti128 [dstq+strideq*1], m0, 1
lea dstq, [dstq+strideq*2]
sub hd, 2
jg .w16_loop
RET
ALIGN function_align
.w32:
SETUP_STACK_FRAME 32*4, 7, 6
lea r3, [rsp+64*2-2]
call .prep
dec tlq
mova xm4, [base+smooth_weights+16*4]
vinserti128 m4, [base+smooth_weights+16*6], 1
mova xm5, [base+smooth_weights+16*5]
vinserti128 m5, [base+smooth_weights+16*7], 1
.w32_loop:
vpbroadcastb m1, [tlq+hq]
punpcklbw m1, m3
vpbroadcastw m2, [r3+hq*2]
SMOOTH 4, 5, 1, 1, 2, 2
mova [dstq], m0
add dstq, strideq
dec hd
jg .w32_loop
RET
ALIGN function_align
.w64:
SETUP_STACK_FRAME 32*4, 7, 9
lea r3, [rsp+64*2-2]
call .prep
add r6, smooth_weights+16*15-ipred_smooth_h_avx2_table
dec tlq
mova xm5, [r6-16*7]
vinserti128 m5, [r6-16*5], 1
mova xm6, [r6-16*6]
vinserti128 m6, [r6-16*4], 1
mova xm7, [r6-16*3]
vinserti128 m7, [r6-16*1], 1
mova xm8, [r6-16*2]
vinserti128 m8, [r6-16*0], 1
.w64_loop:
vpbroadcastb m2, [tlq+hq]
punpcklbw m2, m3
vpbroadcastw m4, [r3+hq*2]
SMOOTH 5, 6, 2, 2, 4, 4
mova [dstq+32*0], m0
SMOOTH 7, 8, 2, 2, 4, 4
mova [dstq+32*1], m0
add dstq, strideq
dec hd
jg .w64_loop
RET
ALIGN function_align
.prep:
vpermq m2, [tlq-32*1], q3120
punpckhbw m1, m2, m3
punpcklbw m2, m3
pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
paddw m1, m5 ; 1 * left + 256 * right + 128
paddw m0, m1 ; 128 * left + 129 * right + 128
pmaddubsw m1, m2, m4
paddw m2, m5
paddw m1, m2
vpermq m2, [tlq-32*2], q3120
mova [rsp+gprsize+32*3], m0
mova [rsp+gprsize+32*2], m1
punpckhbw m1, m2, m3
punpcklbw m2, m3
pmaddubsw m0, m1, m4
paddw m1, m5
paddw m0, m1
pmaddubsw m1, m2, m4
paddw m2, m5
paddw m1, m2
mova [rsp+gprsize+32*1], m0
mova [rsp+gprsize+32*0], m1
sub r3, hq
sub tlq, hq
sub r3, hq
ret
%macro SMOOTH_2D_END 6 ; src[1-2], mul[1-2], add[1-2]
pmaddubsw m0, m%3, m%1
pmaddubsw m1, m%4, m%2
%ifnum %5
paddw m0, m%5
%else
paddw m0, %5
%endif
%ifnum %6
paddw m1, m%6
%else
paddw m1, %6
%endif
pavgw m0, m2
pavgw m1, m3
psrlw m0, 8
psrlw m1, 8
packuswb m0, m1
%endmacro
cglobal ipred_smooth, 3, 7, 0, dst, stride, tl, w, h, v_weights
%define base r6-ipred_smooth_avx2_table
lea r6, [ipred_smooth_avx2_table]
mov wd, wm
vpbroadcastb m4, [tlq+wq] ; right
tzcnt wd, wd
mov hd, hm
mov r5, tlq
sub r5, hq
movsxd wq, [r6+wq*4]
vpbroadcastd m5, [base+pb_127_m127]
vpbroadcastb m0, [r5] ; bottom
vpbroadcastd m3, [base+pw_255]
add wq, r6
lea v_weightsq, [base+smooth_weights+hq*2]
jmp wq
.w4:
WIN64_SPILL_XMM 12
mova m10, [base+ipred_h_shuf]
vpbroadcastq m11, [base+smooth_weights+4*2]
mova m7, [base+ipred_v_shuf]
vpbroadcastd m8, [tlq+1]
sub tlq, 8
lea r3, [strideq*3]
sub tlq, hq
punpcklbw m8, m0 ; top, bottom
pshufd m6, m7, q2200
pshufd m7, m7, q3311
pmaddubsw m9, m8, m5
paddw m3, m8 ; 1 * top + 255 * bottom + 255
paddw m9, m3 ; 128 * top + 129 * bottom + 255
.w4_loop:
vpbroadcastq m1, [tlq+hq]
pshufb m1, m10
punpcklbw m0, m1, m4 ; left, right
punpckhbw m1, m4
pmaddubsw m2, m0, m5 ; 127 * left - 127 * right
pmaddubsw m3, m1, m5
paddw m2, m0 ; 128 * left + 129 * right
paddw m3, m1
pmaddubsw m0, m11
pmaddubsw m1, m11
paddw m2, m0
paddw m3, m1
vbroadcasti128 m1, [v_weightsq]
add v_weightsq, 16
pshufb m0, m1, m6
pshufb m1, m7
SMOOTH_2D_END 0, 1, 8, 8, 9, 9
vextracti128 xm1, m0, 1
movd [dstq+strideq*0], xm0
movd [dstq+strideq*1], xm1
pextrd [dstq+strideq*2], xm0, 2
pextrd [dstq+r3 ], xm1, 2
cmp hd, 4
je .ret
lea dstq, [dstq+strideq*4]
pextrd [dstq+strideq*0], xm0, 1
pextrd [dstq+strideq*1], xm1, 1
pextrd [dstq+strideq*2], xm0, 3
pextrd [dstq+r3 ], xm1, 3
lea dstq, [dstq+strideq*4]
sub hd, 8
jg .w4_loop
.ret:
RET
ALIGN function_align
.w8:
%assign stack_offset stack_offset - stack_size_padded
WIN64_SPILL_XMM 12
mova m10, [base+ipred_h_shuf]
vbroadcasti128 m11, [base+smooth_weights+8*2]
mova m7, [base+ipred_v_shuf]
vpbroadcastq m8, [tlq+1]
sub tlq, 4
lea r3, [strideq*3]
sub tlq, hq
punpcklbw m8, m0
pshufd m6, m7, q0000
pshufd m7, m7, q1111
pmaddubsw m9, m8, m5
paddw m3, m8
paddw m9, m3
.w8_loop:
vpbroadcastd m1, [tlq+hq]
pshufb m1, m10
punpcklbw m0, m1, m4
punpckhbw m1, m4
pmaddubsw m2, m0, m5
pmaddubsw m3, m1, m5
paddw m2, m0
paddw m3, m1
pmaddubsw m0, m11
pmaddubsw m1, m11
paddw m2, m0
paddw m3, m1
vpbroadcastq m1, [v_weightsq]
add v_weightsq, 8
pshufb m0, m1, m6
pshufb m1, m7
SMOOTH_2D_END 0, 1, 8, 8, 9, 9
vextracti128 xm1, m0, 1
movq [dstq+strideq*0], xm0
movq [dstq+strideq*1], xm1
movhps [dstq+strideq*2], xm0
movhps [dstq+r3 ], xm1
lea dstq, [dstq+strideq*4]
sub hd, 4
jg .w8_loop
RET
ALIGN function_align
.w16:
SETUP_STACK_FRAME 32*4, 7, 14
vbroadcasti128 m11, [tlq+1]
lea r3, [rsp+64*2-4]
punpcklbw m10, m11, m0 ; top, bottom
punpckhbw m11, m0
call .prep_v
sub tlq, 2
pmaddubsw m12, m10, m5
pmaddubsw m13, m11, m5
vpbroadcastd xm5, [base+pb_1]
mova m9, [base+ipred_v_shuf]
vbroadcasti128 m6, [base+smooth_weights+16*2]
vbroadcasti128 m7, [base+smooth_weights+16*3]
vpermq m8, m9, q1032
paddw m0, m10, m3
paddw m3, m11
paddw m12, m0
paddw m13, m3
.w16_loop:
vpbroadcastd m3, [tlq+hq]
vpbroadcastd m0, [r3+hq*2]
vpbroadcastd m1, [v_weightsq]
add v_weightsq, 4
pshufb m3, m5
punpcklbw m3, m4 ; left, right
pmaddubsw m2, m3, m6
pmaddubsw m3, m7
pshufb m0, m8
pshufb m1, m9
paddw m2, m0
paddw m3, m0
SMOOTH_2D_END 1, 1, 10, 11, 12, 13
mova [dstq+strideq*0], xm0
vextracti128 [dstq+strideq*1], m0, 1
lea dstq, [dstq+strideq*2]
sub hd, 2
jg .w16_loop
RET
ALIGN function_align
.w32:
SETUP_STACK_FRAME 32*4, 7, 11
movu m8, [tlq+1]
lea r3, [rsp+64*2-2]
punpcklbw m7, m8, m0
punpckhbw m8, m0
call .prep_v
dec tlq
pmaddubsw m9, m7, m5
pmaddubsw m10, m8, m5
mova xm5, [base+smooth_weights+16*4]
vinserti128 m5, [base+smooth_weights+16*6], 1
mova xm6, [base+smooth_weights+16*5]
vinserti128 m6, [base+smooth_weights+16*7], 1
paddw m0, m7, m3
paddw m3, m8
paddw m9, m0
paddw m10, m3
.w32_loop:
vpbroadcastb m3, [tlq+hq]
punpcklbw m3, m4
vpbroadcastw m0, [r3+hq*2]
vpbroadcastw m1, [v_weightsq]
add v_weightsq, 2
pmaddubsw m2, m3, m5
pmaddubsw m3, m6
paddw m2, m0
paddw m3, m0
SMOOTH_2D_END 1, 1, 7, 8, 9, 10
mova [dstq], m0
add dstq, strideq
dec hd
jg .w32_loop
RET
ALIGN function_align
.w64:
SETUP_STACK_FRAME 32*8, 7, 16
movu m13, [tlq+1 ]
movu m15, [tlq+33]
add r6, smooth_weights+16*15-ipred_smooth_avx2_table
lea r3, [rsp+64*2-2]
punpcklbw m12, m13, m0
punpckhbw m13, m0
punpcklbw m14, m15, m0
punpckhbw m15, m0
call .prep_v
dec tlq
pmaddubsw m0, m12, m5
pmaddubsw m1, m13, m5
pmaddubsw m2, m14, m5
pmaddubsw m5, m15, m5
mova xm8, [r6-16*7]
vinserti128 m8, [r6-16*5], 1
mova xm9, [r6-16*6]
vinserti128 m9, [r6-16*4], 1
mova xm10, [r6-16*3]
vinserti128 m10, [r6-16*1], 1
mova xm11, [r6-16*2]
vinserti128 m11, [r6-16*0], 1
lea r6, [rsp+32*4]
paddw m0, m3
paddw m1, m3
paddw m2, m3
paddw m3, m5
paddw m0, m12
paddw m1, m13
paddw m2, m14
paddw m3, m15
mova [r6+32*0], m0
mova [r6+32*1], m1
mova [r6+32*2], m2
mova [r6+32*3], m3
.w64_loop:
vpbroadcastb m5, [tlq+hq]
punpcklbw m5, m4
vpbroadcastw m6, [r3+hq*2]
vpbroadcastw m7, [v_weightsq]
add v_weightsq, 2
pmaddubsw m2, m5, m8
pmaddubsw m3, m5, m9
paddw m2, m6
paddw m3, m6
SMOOTH_2D_END 7, 7, 12, 13, [r6+32*0], [r6+32*1]
mova [dstq+32*0], m0
pmaddubsw m2, m5, m10
pmaddubsw m3, m5, m11
paddw m2, m6
paddw m3, m6
SMOOTH_2D_END 7, 7, 14, 15, [r6+32*2], [r6+32*3]
mova [dstq+32*1], m0
add dstq, strideq
dec hd
jg .w64_loop
RET
ALIGN function_align
.prep_v:
vpermq m2, [tlq-32*1], q3120
punpckhbw m1, m2, m4
punpcklbw m2, m4
pmaddubsw m0, m1, m5 ; 127 * left - 127 * right
paddw m0, m1 ; 128 * left + 129 * right
pmaddubsw m1, m2, m5
paddw m1, m2
vpermq m2, [tlq-32*2], q3120
mova [rsp+gprsize+32*3], m0
mova [rsp+gprsize+32*2], m1
punpckhbw m1, m2, m4
punpcklbw m2, m4
pmaddubsw m0, m1, m5
paddw m0, m1
pmaddubsw m1, m2, m5
paddw m1, m2
mova [rsp+gprsize+32*1], m0
mova [rsp+gprsize+32*0], m1
sub r3, hq
sub tlq, hq
sub r3, hq
ret
%endif