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FFmpeg/libavcodec/x86/vp9mc.asm
Ronald S. Bultje 9790b44a89 vp9mc/x86: sse2 MC assembly. 
Also a slight change to the ssse3 code, which prevents a theoretical
overflow in the sharp filter.

Signed-off-by: Anton Khirnov <anton@khirnov.net>
2016-08-03 11:04:51 +02:00

623 lines
17 KiB
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;******************************************************************************
;* VP9 motion compensation SIMD optimizations
;*
;* Copyright (c) 2013 Ronald S. Bultje <rsbultje 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 "libavutil/x86/x86util.asm"
SECTION_RODATA 32
cextern pw_256
cextern pw_64
%macro F8_SSSE3_TAPS 8
times 16 db %1, %2
times 16 db %3, %4
times 16 db %5, %6
times 16 db %7, %8
%endmacro
%macro F8_SSE2_TAPS 8
times 8 dw %1
times 8 dw %2
times 8 dw %3
times 8 dw %4
times 8 dw %5
times 8 dw %6
times 8 dw %7
times 8 dw %8
%endmacro
%macro FILTER 1
const filters_%1 ; smooth
F8_TAPS -3, -1, 32, 64, 38, 1, -3, 0
F8_TAPS -2, -2, 29, 63, 41, 2, -3, 0
F8_TAPS -2, -2, 26, 63, 43, 4, -4, 0
F8_TAPS -2, -3, 24, 62, 46, 5, -4, 0
F8_TAPS -2, -3, 21, 60, 49, 7, -4, 0
F8_TAPS -1, -4, 18, 59, 51, 9, -4, 0
F8_TAPS -1, -4, 16, 57, 53, 12, -4, -1
F8_TAPS -1, -4, 14, 55, 55, 14, -4, -1
F8_TAPS -1, -4, 12, 53, 57, 16, -4, -1
F8_TAPS 0, -4, 9, 51, 59, 18, -4, -1
F8_TAPS 0, -4, 7, 49, 60, 21, -3, -2
F8_TAPS 0, -4, 5, 46, 62, 24, -3, -2
F8_TAPS 0, -4, 4, 43, 63, 26, -2, -2
F8_TAPS 0, -3, 2, 41, 63, 29, -2, -2
F8_TAPS 0, -3, 1, 38, 64, 32, -1, -3
; regular
F8_TAPS 0, 1, -5, 126, 8, -3, 1, 0
F8_TAPS -1, 3, -10, 122, 18, -6, 2, 0
F8_TAPS -1, 4, -13, 118, 27, -9, 3, -1
F8_TAPS -1, 4, -16, 112, 37, -11, 4, -1
F8_TAPS -1, 5, -18, 105, 48, -14, 4, -1
F8_TAPS -1, 5, -19, 97, 58, -16, 5, -1
F8_TAPS -1, 6, -19, 88, 68, -18, 5, -1
F8_TAPS -1, 6, -19, 78, 78, -19, 6, -1
F8_TAPS -1, 5, -18, 68, 88, -19, 6, -1
F8_TAPS -1, 5, -16, 58, 97, -19, 5, -1
F8_TAPS -1, 4, -14, 48, 105, -18, 5, -1
F8_TAPS -1, 4, -11, 37, 112, -16, 4, -1
F8_TAPS -1, 3, -9, 27, 118, -13, 4, -1
F8_TAPS 0, 2, -6, 18, 122, -10, 3, -1
F8_TAPS 0, 1, -3, 8, 126, -5, 1, 0
; sharp
F8_TAPS -1, 3, -7, 127, 8, -3, 1, 0
F8_TAPS -2, 5, -13, 125, 17, -6, 3, -1
F8_TAPS -3, 7, -17, 121, 27, -10, 5, -2
F8_TAPS -4, 9, -20, 115, 37, -13, 6, -2
F8_TAPS -4, 10, -23, 108, 48, -16, 8, -3
F8_TAPS -4, 10, -24, 100, 59, -19, 9, -3
F8_TAPS -4, 11, -24, 90, 70, -21, 10, -4
F8_TAPS -4, 11, -23, 80, 80, -23, 11, -4
F8_TAPS -4, 10, -21, 70, 90, -24, 11, -4
F8_TAPS -3, 9, -19, 59, 100, -24, 10, -4
F8_TAPS -3, 8, -16, 48, 108, -23, 10, -4
F8_TAPS -2, 6, -13, 37, 115, -20, 9, -4
F8_TAPS -2, 5, -10, 27, 121, -17, 7, -3
F8_TAPS -1, 3, -6, 17, 125, -13, 5, -2
F8_TAPS 0, 1, -3, 8, 127, -7, 3, -1
%endmacro
%define F8_TAPS F8_SSSE3_TAPS
; int8_t ff_filters_ssse3[3][15][4][32]
FILTER ssse3
%define F8_TAPS F8_SSE2_TAPS
; int16_t ff_filters_sse2[3][15][8][8]
FILTER sse2
SECTION .text
%macro filter_sse2_h_fn 1
%assign %%px mmsize/2
cglobal vp9_%1_8tap_1d_h_ %+ %%px, 6, 6, 15, dst, src, dstride, sstride, h, filtery
pxor m5, m5
mova m6, [pw_64]
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+ 16]
mova m9, [filteryq+ 32]
mova m10, [filteryq+ 48]
mova m11, [filteryq+ 64]
mova m12, [filteryq+ 80]
mova m13, [filteryq+ 96]
mova m14, [filteryq+112]
%endif
.loop:
movh m0, [srcq-3]
movh m1, [srcq-2]
movh m2, [srcq-1]
movh m3, [srcq+0]
movh m4, [srcq+1]
punpcklbw m0, m5
punpcklbw m1, m5
punpcklbw m2, m5
punpcklbw m3, m5
punpcklbw m4, m5
pmullw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmullw m1, m8
pmullw m2, m9
pmullw m3, m10
pmullw m4, m11
%else
pmullw m1, [filteryq+ 16]
pmullw m2, [filteryq+ 32]
pmullw m3, [filteryq+ 48]
pmullw m4, [filteryq+ 64]
%endif
paddw m0, m1
paddw m2, m3
paddw m0, m4
movh m1, [srcq+2]
movh m3, [srcq+3]
movh m4, [srcq+4]
add srcq, sstrideq
punpcklbw m1, m5
punpcklbw m3, m5
punpcklbw m4, m5
%if ARCH_X86_64 && mmsize > 8
pmullw m1, m12
pmullw m3, m13
pmullw m4, m14
%else
pmullw m1, [filteryq+ 80]
pmullw m3, [filteryq+ 96]
pmullw m4, [filteryq+112]
%endif
paddw m0, m1
paddw m3, m4
paddw m0, m6
paddw m2, m3
paddsw m0, m2
psraw m0, 7
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX mmxext
filter_sse2_h_fn put
filter_sse2_h_fn avg
INIT_XMM sse2
filter_sse2_h_fn put
filter_sse2_h_fn avg
%macro filter_h_fn 1
%assign %%px mmsize/2
cglobal vp9_%1_8tap_1d_h_ %+ %%px, 6, 6, 11, dst, src, dstride, sstride, h, filtery
mova m6, [pw_256]
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+32]
mova m9, [filteryq+64]
mova m10, [filteryq+96]
%endif
.loop:
movh m0, [srcq-3]
movh m1, [srcq-2]
movh m2, [srcq-1]
movh m3, [srcq+0]
movh m4, [srcq+1]
movh m5, [srcq+2]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [srcq+3]
movh m3, [srcq+4]
add srcq, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+32]
pmaddubsw m4, [filteryq+64]
pmaddubsw m1, [filteryq+96]
%endif
paddw m0, m4
paddw m2, m1
paddsw m0, m2
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX ssse3
filter_h_fn put
filter_h_fn avg
INIT_XMM ssse3
filter_h_fn put
filter_h_fn avg
%if ARCH_X86_64
%macro filter_hx2_fn 1
%assign %%px mmsize
cglobal vp9_%1_8tap_1d_h_ %+ %%px, 6, 6, 14, dst, src, dstride, sstride, h, filtery
mova m13, [pw_256]
mova m8, [filteryq+ 0]
mova m9, [filteryq+32]
mova m10, [filteryq+64]
mova m11, [filteryq+96]
.loop:
movu m0, [srcq-3]
movu m1, [srcq-2]
movu m2, [srcq-1]
movu m3, [srcq+0]
movu m4, [srcq+1]
movu m5, [srcq+2]
movu m6, [srcq+3]
movu m7, [srcq+4]
add srcq, sstrideq
SBUTTERFLY bw, 0, 1, 12
SBUTTERFLY bw, 2, 3, 12
SBUTTERFLY bw, 4, 5, 12
SBUTTERFLY bw, 6, 7, 12
pmaddubsw m0, m8
pmaddubsw m1, m8
pmaddubsw m2, m9
pmaddubsw m3, m9
pmaddubsw m4, m10
pmaddubsw m5, m10
pmaddubsw m6, m11
pmaddubsw m7, m11
paddw m0, m4
paddw m1, m5
paddw m2, m6
paddw m3, m7
paddsw m0, m2
paddsw m1, m3
pmulhrsw m0, m13
pmulhrsw m1, m13
packuswb m0, m1
%ifidn %1, avg
pavgb m0, [dstq]
%endif
mova [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_XMM ssse3
filter_hx2_fn put
filter_hx2_fn avg
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
filter_hx2_fn put
filter_hx2_fn avg
%endif
%endif ; ARCH_X86_64
%macro filter_sse2_v_fn 1
%assign %%px mmsize/2
%if ARCH_X86_64
cglobal vp9_%1_8tap_1d_v_ %+ %%px, 6, 8, 15, dst, src, dstride, sstride, h, filtery, src4, sstride3
%else
cglobal vp9_%1_8tap_1d_v_ %+ %%px, 4, 7, 15, dst, src, dstride, sstride, filtery, src4, sstride3
mov filteryq, r5mp
%define hd r4mp
%endif
pxor m5, m5
mova m6, [pw_64]
lea sstride3q, [sstrideq*3]
lea src4q, [srcq+sstrideq]
sub srcq, sstride3q
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+ 16]
mova m9, [filteryq+ 32]
mova m10, [filteryq+ 48]
mova m11, [filteryq+ 64]
mova m12, [filteryq+ 80]
mova m13, [filteryq+ 96]
mova m14, [filteryq+112]
%endif
.loop:
; FIXME maybe reuse loads from previous rows, or just
; more generally unroll this to prevent multiple loads of
; the same data?
movh m0, [srcq]
movh m1, [srcq+sstrideq]
movh m2, [srcq+sstrideq*2]
movh m3, [srcq+sstride3q]
add srcq, sstrideq
movh m4, [src4q]
punpcklbw m0, m5
punpcklbw m1, m5
punpcklbw m2, m5
punpcklbw m3, m5
punpcklbw m4, m5
pmullw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmullw m1, m8
pmullw m2, m9
pmullw m3, m10
pmullw m4, m11
%else
pmullw m1, [filteryq+ 16]
pmullw m2, [filteryq+ 32]
pmullw m3, [filteryq+ 48]
pmullw m4, [filteryq+ 64]
%endif
paddw m0, m1
paddw m2, m3
paddw m0, m4
movh m1, [src4q+sstrideq]
movh m3, [src4q+sstrideq*2]
movh m4, [src4q+sstride3q]
add src4q, sstrideq
punpcklbw m1, m5
punpcklbw m3, m5
punpcklbw m4, m5
%if ARCH_X86_64 && mmsize > 8
pmullw m1, m12
pmullw m3, m13
pmullw m4, m14
%else
pmullw m1, [filteryq+ 80]
pmullw m3, [filteryq+ 96]
pmullw m4, [filteryq+112]
%endif
paddw m0, m1
paddw m3, m4
paddw m0, m6
paddw m2, m3
paddsw m0, m2
psraw m0, 7
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX mmxext
filter_sse2_v_fn put
filter_sse2_v_fn avg
INIT_XMM sse2
filter_sse2_v_fn put
filter_sse2_v_fn avg
%macro filter_v_fn 1
%assign %%px mmsize/2
%if ARCH_X86_64
cglobal vp9_%1_8tap_1d_v_ %+ %%px, 6, 8, 11, dst, src, dstride, sstride, h, filtery, src4, sstride3
%else
cglobal vp9_%1_8tap_1d_v_ %+ %%px, 4, 7, 11, dst, src, dstride, sstride, filtery, src4, sstride3
mov filteryq, r5mp
%define hd r4mp
%endif
mova m6, [pw_256]
lea sstride3q, [sstrideq*3]
lea src4q, [srcq+sstrideq]
sub srcq, sstride3q
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+32]
mova m9, [filteryq+64]
mova m10, [filteryq+96]
%endif
.loop:
; FIXME maybe reuse loads from previous rows, or just more generally
; unroll this to prevent multiple loads of the same data?
movh m0, [srcq]
movh m1, [srcq+sstrideq]
movh m2, [srcq+sstrideq*2]
movh m3, [srcq+sstride3q]
movh m4, [src4q]
movh m5, [src4q+sstrideq]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [src4q+sstrideq*2]
movh m3, [src4q+sstride3q]
add srcq, sstrideq
add src4q, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+32]
pmaddubsw m4, [filteryq+64]
pmaddubsw m1, [filteryq+96]
%endif
paddw m0, m4
paddw m2, m1
paddsw m0, m2
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_MMX ssse3
filter_v_fn put
filter_v_fn avg
INIT_XMM ssse3
filter_v_fn put
filter_v_fn avg
%if ARCH_X86_64
%macro filter_vx2_fn 1
%assign %%px mmsize
cglobal vp9_%1_8tap_1d_v_ %+ %%px, 6, 8, 14, dst, src, dstride, sstride, h, filtery, src4, sstride3
mova m13, [pw_256]
lea sstride3q, [sstrideq*3]
lea src4q, [srcq+sstrideq]
sub srcq, sstride3q
mova m8, [filteryq+ 0]
mova m9, [filteryq+32]
mova m10, [filteryq+64]
mova m11, [filteryq+96]
.loop:
; FIXME maybe reuse loads from previous rows, or just
; more generally unroll this to prevent multiple loads of
; the same data?
movu m0, [srcq]
movu m1, [srcq+sstrideq]
movu m2, [srcq+sstrideq*2]
movu m3, [srcq+sstride3q]
movu m4, [src4q]
movu m5, [src4q+sstrideq]
movu m6, [src4q+sstrideq*2]
movu m7, [src4q+sstride3q]
add srcq, sstrideq
add src4q, sstrideq
SBUTTERFLY bw, 0, 1, 12
SBUTTERFLY bw, 2, 3, 12
SBUTTERFLY bw, 4, 5, 12
SBUTTERFLY bw, 6, 7, 12
pmaddubsw m0, m8
pmaddubsw m1, m8
pmaddubsw m2, m9
pmaddubsw m3, m9
pmaddubsw m4, m10
pmaddubsw m5, m10
pmaddubsw m6, m11
pmaddubsw m7, m11
paddw m0, m4
paddw m1, m5
paddw m2, m6
paddw m3, m7
paddsw m0, m2
paddsw m1, m3
pmulhrsw m0, m13
pmulhrsw m1, m13
packuswb m0, m1
%ifidn %1, avg
pavgb m0, [dstq]
%endif
mova [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro
INIT_XMM ssse3
filter_vx2_fn put
filter_vx2_fn avg
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
filter_vx2_fn put
filter_vx2_fn avg
%endif
%endif ; ARCH_X86_64
%macro fpel_fn 6
%if %2 == 4
%define %%srcfn movh
%define %%dstfn movh
%else
%define %%srcfn movu
%define %%dstfn mova
%endif
%if %2 <= mmsize
cglobal vp9_%1%2, 5, 7, 4, dst, src, dstride, sstride, h, dstride3, sstride3
lea sstride3q, [sstrideq*3]
lea dstride3q, [dstrideq*3]
%else
cglobal vp9_%1%2, 5, 5, 4, dst, src, dstride, sstride, h
%endif
.loop:
%%srcfn m0, [srcq]
%%srcfn m1, [srcq+s%3]
%%srcfn m2, [srcq+s%4]
%%srcfn m3, [srcq+s%5]
lea srcq, [srcq+sstrideq*%6]
%ifidn %1, avg
pavgb m0, [dstq]
pavgb m1, [dstq+d%3]
pavgb m2, [dstq+d%4]
pavgb m3, [dstq+d%5]
%endif
%%dstfn [dstq], m0
%%dstfn [dstq+d%3], m1
%%dstfn [dstq+d%4], m2
%%dstfn [dstq+d%5], m3
lea dstq, [dstq+dstrideq*%6]
sub hd, %6
jnz .loop
RET
%endmacro
%define d16 16
%define s16 16
%define d32 32
%define s32 32
INIT_MMX mmx
fpel_fn put, 4, strideq, strideq*2, stride3q, 4
fpel_fn put, 8, strideq, strideq*2, stride3q, 4
INIT_MMX mmxext
fpel_fn avg, 4, strideq, strideq*2, stride3q, 4
fpel_fn avg, 8, strideq, strideq*2, stride3q, 4
INIT_XMM sse
fpel_fn put, 16, strideq, strideq*2, stride3q, 4
fpel_fn put, 32, mmsize, strideq, strideq+mmsize, 2
fpel_fn put, 64, mmsize, mmsize*2, mmsize*3, 1
INIT_XMM sse2
fpel_fn avg, 16, strideq, strideq*2, stride3q, 4
fpel_fn avg, 32, mmsize, strideq, strideq+mmsize, 2
fpel_fn avg, 64, mmsize, mmsize*2, mmsize*3, 1
INIT_YMM avx
fpel_fn put, 32, strideq, strideq*2, stride3q, 4
fpel_fn put, 64, mmsize, strideq, strideq+mmsize, 2
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
fpel_fn avg, 32, strideq, strideq*2, stride3q, 4
fpel_fn avg, 64, mmsize, strideq, strideq+mmsize, 2
%endif
%undef s16
%undef d16
%undef s32
%undef d32
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