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; Copyright © 2023, VideoLAN and dav1d authors
; Copyright © 2023, 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"
SECTION_RODATA 64
const pb_0to63, db 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
%if ARCH_X86_64
db 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
db 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47
db 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
%endif
pal_idx_w8_padh: db 0, 1, 2, 3, 3, 3, 3, 3, 8, 9, 10, 11, 11, 11, 11, 11
pb_1_16: times 4 db 1, 16
%if ARCH_X86_64
pb_32: times 4 db 32
%endif
%macro JMP_TABLE 2-*
%xdefine %1_table (%%table - 2*4)
%xdefine %%base mangle(private_prefix %+ _%1)
%%table:
%rep %0 - 1
dd %%base %+ .w%2 - (%%table - 2*4)
%rotate 1
%endrep
%endmacro
JMP_TABLE pal_idx_finish_ssse3, 4, 8, 16, 32, 64
%if ARCH_X86_64
JMP_TABLE pal_idx_finish_avx2, 4, 8, 16, 32, 64
JMP_TABLE pal_idx_finish_avx512icl, 4, 8, 16, 32, 64
%endif
SECTION .text
INIT_XMM ssse3
cglobal pal_idx_finish, 2, 7, 6, dst, src, bw, bh, w, h
%define base r6-pal_idx_finish_ssse3_table
LEA r6, pal_idx_finish_ssse3_table
tzcnt bwd, bwm
movifnidn bhd, bhm
movifnidn wd, wm
movifnidn hd, hm
movsxd bwq, [r6+bwq*4]
movddup m3, [base+pb_1_16]
add bwq, r6
sub bhd, hd
jmp bwq
.w4:
mova m0, [srcq]
add srcq, 16
pmaddubsw m0, m3
packuswb m0, m0
movq [dstq], m0
add dstq, 8
sub hd, 4
jg .w4
test bhd, bhd
jz .w4_end
pshuflw m0, m0, q3333
.w4_padv:
movq [dstq], m0
add dstq, 8
sub bhd, 4
jg .w4_padv
.w4_end:
RET
.w8_padh:
pshufb m0, m2
pshufb m1, m2
jmp .w8_main
.w8:
mova m2, [base+pal_idx_w8_padh]
.w8_loop:
mova m0, [srcq+16*0]
mova m1, [srcq+16*1]
cmp wd, 8
jl .w8_padh
.w8_main:
pmaddubsw m0, m3
pmaddubsw m1, m3
add srcq, 16*2
packuswb m0, m1
movu [dstq], m0
add dstq, 16
sub hd, 4
jg .w8_loop
test bhd, bhd
jz .w8_end
pshufd m0, m0, q3333
.w8_padv:
movu [dstq], m0
add dstq, 16
sub bhd, 4
jg .w8_padv
.w8_end:
RET
.w16_padh:
pshufb m0, m4
pshufb m1, m4
jmp .w16_main
.w16:
cmp wd, 16
je .w16_loop
call .setup_padh
.w16_loop:
mova m0, [srcq+16*0]
mova m1, [srcq+16*1]
cmp wd, 16
jl .w16_padh
.w16_main:
pmaddubsw m0, m3
pmaddubsw m1, m3
add srcq, 16*2
packuswb m0, m1
movu [dstq], m0
add dstq, 16
sub hd, 2
jg .w16_loop
test bhd, bhd
jz .w16_end
punpckhqdq m0, m0
.w16_padv:
movu [dstq+16*0], m0
movu [dstq+16*1], m0
add dstq, 16*2
sub bhd, 4
jg .w16_padv
.w16_end:
RET
.w32_padh:
cmp wd, 16
jg .w32_padh2
pshufb m1, m0, m5
pshufb m0, m4
jmp .w32_main
.w32_padh2:
pshufb m1, m4
jmp .w32_main
.w32:
cmp wd, 32
je .w32_loop
call .setup_padh
.w32_loop:
mova m0, [srcq+16*0]
mova m1, [srcq+16*1]
cmp wd, 32
jl .w32_padh
.w32_main:
pmaddubsw m0, m3
pmaddubsw m1, m3
add srcq, 16*2
packuswb m0, m1
movu [dstq], m0
add dstq, 16
dec hd
jg .w32_loop
test bhd, bhd
jz .w32_end
.w32_padv:
movu [dstq+16*0], m0
movu [dstq+16*1], m0
movu [dstq+16*2], m0
movu [dstq+16*3], m0
add dstq, 16*4
sub bhd, 4
jg .w32_padv
.w32_end:
RET
.w64_padh:
cmp wd, 16
jg .w64_padh2
pshufb m1, m0, m5
pshufb m0, m4
pmaddubsw m0, m3
pmaddubsw m1, m3
packuswb m0, m1
packuswb m1, m1
jmp .w64_main
.w64_padh2:
pshufb m1, m4
pmaddubsw m0, m3
pmaddubsw m2, m1, m3
pshufb m1, m5
pmaddubsw m1, m3
packuswb m0, m2
packuswb m1, m1
jmp .w64_main
.w64_padh3:
cmp wd, 48
jg .w64_padh4
pshufb m2, m1, m5
pshufb m1, m4
jmp .w64_main2
.w64_padh4:
pshufb m2, m4
jmp .w64_main2
.w64:
cmp wd, 64
je .w64_loop
call .setup_padh
.w64_loop:
mova m0, [srcq+16*0]
mova m1, [srcq+16*1]
cmp wd, 32
jle .w64_padh
pmaddubsw m0, m3
pmaddubsw m1, m3
packuswb m0, m1
mova m1, [srcq+16*2]
mova m2, [srcq+16*3]
cmp wd, 64
jl .w64_padh3
.w64_main2:
pmaddubsw m1, m3
pmaddubsw m2, m3
packuswb m1, m2
.w64_main:
add srcq, 16*4
movu [dstq+16*0], m0
movu [dstq+16*1], m1
add dstq, 16*2
dec hd
jg .w64_loop
test bhd, bhd
jz .w64_end
.w64_padv:
movu [dstq+16*0], m0
movu [dstq+16*1], m1
movu [dstq+16*2], m0
movu [dstq+16*3], m1
add dstq, 16*4
sub bhd, 2
jg .w64_padv
.w64_end:
RET
.setup_padh:
mova m4, [base+pb_0to63]
lea r6d, [wq-1]
and r6d, 15
movd m5, r6d
pxor m0, m0
pshufb m5, m0
pminub m4, m5
ret
%if ARCH_X86_64
INIT_YMM avx2
cglobal pal_idx_finish, 4, 7, 5, dst, src, bw, bh, w, h
%define base r6-pal_idx_finish_avx2_table
lea r6, [pal_idx_finish_avx2_table]
tzcnt bwd, bwd
movifnidn wd, wm
movifnidn hd, hm
movsxd bwq, [r6+bwq*4]
vpbroadcastd m2, [base+pb_1_16]
dec wd
add bwq, r6
sub bhd, hd
jmp bwq
.w4:
mova xm0, [srcq]
add srcq, 16
pmaddubsw xm0, xm2
packuswb xm0, xm0
movq [dstq], xm0
add dstq, 8
sub hd, 4
jg .w4
test bhd, bhd
jz .w4_end
pshuflw xm0, xm0, q3333
.w4_padv:
movq [dstq], xm0
add dstq, 8
sub bhd, 4
jg .w4_padv
.w4_end:
RET
.w8_padh:
pshufb xm0, xm3
pshufb xm1, xm3
jmp .w8_main
.w8:
mova xm3, [base+pal_idx_w8_padh]
.w8_loop:
mova xm0, [srcq+16*0]
mova xm1, [srcq+16*1]
cmp wd, 7
jl .w8_padh
.w8_main:
pmaddubsw xm0, xm2
pmaddubsw xm1, xm2
add srcq, 16*2
packuswb xm0, xm1
movu [dstq], xm0
add dstq, 16
sub hd, 4
jg .w8_loop
test bhd, bhd
jz .w8_end
pshufd xm0, xm0, q3333
.w8_padv:
movu [dstq], xm0
add dstq, 16
sub bhd, 4
jg .w8_padv
.w8_end:
RET
.w16_padh:
pshufb m0, m3
pshufb m1, m3
jmp .w16_main
.w16:
cmp wd, 15
je .w16_loop
vbroadcasti128 m0, [base+pb_0to63]
movd xm3, wd
vpbroadcastb m3, xm3
pminub m3, m0
.w16_loop:
mova m0, [srcq+32*0]
mova m1, [srcq+32*1]
cmp wd, 15
jl .w16_padh
.w16_main:
pmaddubsw m0, m2
pmaddubsw m1, m2
add srcq, 32*2
packuswb m0, m1
vpermq m1, m0, q3120
movu [dstq], m1
add dstq, 32
sub hd, 4
jg .w16_loop
test bhd, bhd
jz .w16_end
vpermq m0, m0, q3333
.w16_padv:
movu [dstq], m0
add dstq, 32
sub bhd, 4
jg .w16_padv
.w16_end:
RET
.w32_padh:
cmp wd, 15
jg .w32_padh2
vinserti128 m0, xm0, 1
vinserti128 m1, xm1, 1
.w32_padh2:
pshufb m0, m3
pshufb m1, m3
jmp .w32_main
.w32:
cmp wd, 31
je .w32_loop
movd xm3, wd
vpbroadcastb m3, xm3
pminub m3, [base+pb_0to63]
.w32_loop:
mova m0, [srcq+32*0]
mova m1, [srcq+32*1]
cmp wd, 31
jl .w32_padh
.w32_main:
pmaddubsw m0, m2
pmaddubsw m1, m2
add srcq, 32*2
packuswb m0, m1
vpermq m1, m0, q3120
movu [dstq], m1
add dstq, 32
sub hd, 2
jg .w32_loop
test bhd, bhd
jz .w32_end
vpermq m0, m0, q3131
.w32_padv:
movu [dstq+32*0], m0
movu [dstq+32*1], m0
add dstq, 32*2
sub bhd, 4
jg .w32_padv
.w32_end:
RET
.w64_padh:
cmp wd, 15
jg .w64_padh2
vinserti128 m1, m0, xm0, 1
pshufb m0, m1, m3
pshufb m1, m4
jmp .w64_main
.w64_padh2:
cmp wd, 31
jg .w64_padh3
vperm2i128 m1, m0, m0, 0x11
pshufb m0, m3
pshufb m1, m4
jmp .w64_main
.w64_padh3:
cmp wd, 47
jg .w64_padh4
vinserti128 m1, xm1, 1
.w64_padh4:
pshufb m1, m3
jmp .w64_main
.w64:
cmp wd, 63
je .w64_loop
mov r6d, wd
and r6d, 31
movd xm4, r6d
vpbroadcastb m4, xm4
pminub m3, m4, [pb_0to63]
.w64_loop:
mova m0, [srcq+32*0]
mova m1, [srcq+32*1]
cmp wd, 63
jl .w64_padh
.w64_main:
pmaddubsw m0, m2
pmaddubsw m1, m2
add srcq, 32*2
packuswb m0, m1
vpermq m0, m0, q3120
movu [dstq], m0
add dstq, 32
dec hd
jg .w64_loop
test bhd, bhd
jz .w64_end
.w64_padv:
movu [dstq+32*0], m0
movu [dstq+32*1], m0
movu [dstq+32*2], m0
movu [dstq+32*3], m0
add dstq, 32*4
sub bhd, 4
jg .w64_padv
.w64_end:
RET
INIT_ZMM avx512icl
cglobal pal_idx_finish, 4, 7, 7, dst, src, bw, bh, w, h
%define base r6-pal_idx_finish_avx512icl_table
lea r6, [pal_idx_finish_avx512icl_table]
tzcnt bwd, bwd
movifnidn wd, wm
movifnidn hd, hm
movsxd bwq, [r6+bwq*4]
vpbroadcastd m4, [base+pb_1_16]
dec wd
add bwq, r6
sub bhd, hd
jmp bwq
.w4:
mova xmm0, [srcq]
add srcq, 16
pmaddubsw xmm0, xm4
packuswb xmm0, xmm0
movq [dstq], xmm0
add dstq, 8
sub hd, 4
jg .w4
test bhd, bhd
jz .w4_end
pshuflw xmm0, xmm0, q3333
.w4_padv:
movq [dstq], xmm0
add dstq, 8
sub bhd, 4
jg .w4_padv
.w4_end:
RET
.w8_padh:
pshufb xmm0, xmm2
pshufb xmm1, xmm2
jmp .w8_main
.w8:
mova xmm2, [base+pal_idx_w8_padh]
.w8_loop:
mova xmm0, [srcq+16*0]
mova xmm1, [srcq+16*1]
cmp wd, 7
jl .w8_padh
.w8_main:
pmaddubsw xmm0, xm4
pmaddubsw xmm1, xm4
add srcq, 16*2
packuswb xmm0, xmm1
movu [dstq], xmm0
add dstq, 16
sub hd, 4
jg .w8_loop
test bhd, bhd
jz .w8_end
pshufd xmm0, xmm0, q3333
.w8_padv:
movu [dstq], xmm0
add dstq, 16
sub bhd, 4
jg .w8_padv
.w8_end:
RET
.w16_padh:
pshufb m0, m2
jmp .w16_main
.w16:
cmp wd, 15
je .w16_loop
vbroadcasti32x4 m2, [base+pb_0to63]
vpbroadcastb m0, wd
pminub m2, m0
.w16_loop:
mova m0, [srcq]
cmp wd, 15
jl .w16_padh
.w16_main:
pmaddubsw m0, m4
add srcq, 64
vpmovwb ym0, m0
movu [dstq], ym0
add dstq, 32
sub hd, 4
jg .w16_loop
test bhd, bhd
jz .w16_end
vpermq ym0, ym0, q3333
.w16_padv:
movu [dstq], ym0
add dstq, 32
sub bhd, 4
jg .w16_padv
.w16_end:
RET
.w32_padh:
vpermb m0, m2, m0
vpermb m1, m2, m1
jmp .w32_main
.w32:
mova m2, [base+pb_0to63]
paddb m3, m2, m2
cmp wd, 31
je .w32_loop
vpbroadcastb m0, wd
mov r6d, 0xff00
kmovw k1, r6d
vpaddd m0{k1}, [pb_32] {1to16}
pminub m2, m0
.w32_loop:
mova m0, [srcq+64*0]
mova m1, [srcq+64*1]
cmp wd, 31
jl .w32_padh
.w32_main:
pmaddubsw m0, m4
pmaddubsw m1, m4
add srcq, 64*2
vpermt2b m0, m3, m1
movu [dstq], m0
add dstq, 64
sub hd, 4
jg .w32_loop
test bhd, bhd
jz .w32_end
vshufi32x4 m0, m0, q3333
.w32_padv:
movu [dstq], m0
add dstq, 64
sub bhd, 4
jg .w32_padv
.w32_end:
RET
.w64_padh:
REPX {vpermb x, m5, x}, m0, m1, m2, m3
jmp .w64_main
.w64:
mova m5, [base+pb_0to63]
paddb m6, m5, m5
cmp wd, 63
je .w64_loop
vpbroadcastb m0, wd
pminub m5, m0
.w64_loop:
mova m0, [srcq+64*0]
mova m1, [srcq+64*1]
mova m2, [srcq+64*2]
mova m3, [srcq+64*3]
cmp wd, 63
jl .w64_padh
.w64_main:
REPX {pmaddubsw x, m4}, m0, m1, m2, m3
add srcq, 64*4
vpermt2b m0, m6, m1
vpermt2b m2, m6, m3
movu [dstq+64*0], m0
movu [dstq+64*1], m2
add dstq, 64*2
sub hd, 4
jg .w64_loop
test bhd, bhd
jz .w64_end
vshufi32x4 m2, m2, q3232
.w64_padv:
movu [dstq+64*0], m2
movu [dstq+64*1], m2
add dstq, 64*2
sub bhd, 4
jg .w64_padv
.w64_end:
RET
%endif ; ARCH_X86_64