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|
; *****************************************************************************
; * Provide SIMD optimizations for add_residual functions for HEVC decoding
; * Copyright (c) 2014 Pierre-Edouard LEPERE
; *
; * 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
max_pixels_10: times 16 dw ((1 << 10)-1)
SECTION .text
; the add_res macros and functions were largely inspired by h264_idct.asm from the x264 project
%macro ADD_RES_MMX_4_8 0
mova m0, [r1]
mova m2, [r1+8]
pxor m1, m1
pxor m3, m3
psubw m1, m0
psubw m3, m2
packuswb m0, m2
packuswb m1, m3
movd m2, [r0]
movd m3, [r0+r2]
punpckldq m2, m3
paddusb m0, m2
psubusb m0, m1
movd [r0], m0
psrlq m0, 32
movd [r0+r2], m0
%endmacro
INIT_MMX mmxext
; void ff_hevc_add_residual_4_8_mmxext(uint8_t *dst, int16_t *res, ptrdiff_t stride)
cglobal hevc_add_residual_4_8, 3, 3, 6
ADD_RES_MMX_4_8
add r1, 16
lea r0, [r0+r2*2]
ADD_RES_MMX_4_8
RET
%macro ADD_RES_SSE_8_8 0
pxor m3, m3
mova m4, [r1]
mova m6, [r1+16]
mova m0, [r1+32]
mova m2, [r1+48]
psubw m5, m3, m4
psubw m7, m3, m6
psubw m1, m3, m0
packuswb m4, m0
packuswb m5, m1
psubw m3, m2
packuswb m6, m2
packuswb m7, m3
movq m0, [r0]
movq m1, [r0+r2]
movhps m0, [r0+r2*2]
movhps m1, [r0+r3]
paddusb m0, m4
paddusb m1, m6
psubusb m0, m5
psubusb m1, m7
movq [r0], m0
movq [r0+r2], m1
movhps [r0+2*r2], m0
movhps [r0+r3], m1
%endmacro
%macro ADD_RES_SSE_16_32_8 3
mova xm2, [r1+%1]
mova xm6, [r1+%1+16]
%if cpuflag(avx2)
vinserti128 m2, m2, [r1+%1+32], 1
vinserti128 m6, m6, [r1+%1+48], 1
%endif
psubw m1, m0, m2
psubw m5, m0, m6
packuswb m2, m6
packuswb m1, m5
mova xm4, [r1+%1+mmsize*2]
mova xm6, [r1+%1+mmsize*2+16]
%if cpuflag(avx2)
vinserti128 m4, m4, [r1+%1+96 ], 1
vinserti128 m6, m6, [r1+%1+112], 1
%endif
psubw m3, m0, m4
psubw m5, m0, m6
packuswb m4, m6
packuswb m3, m5
paddusb m2, [%2]
paddusb m4, [%3]
psubusb m2, m1
psubusb m4, m3
mova [%2], m2
mova [%3], m4
%endmacro
%macro TRANSFORM_ADD_8 0
; void ff_hevc_add_residual_8_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
cglobal hevc_add_residual_8_8, 3, 4, 8
lea r3, [r2*3]
ADD_RES_SSE_8_8
add r1, 64
lea r0, [r0+r2*4]
ADD_RES_SSE_8_8
RET
; void ff_hevc_add_residual_16_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
cglobal hevc_add_residual_16_8, 3, 5, 7
pxor m0, m0
lea r3, [r2*3]
mov r4d, 4
.loop:
ADD_RES_SSE_16_32_8 0, r0, r0+r2
ADD_RES_SSE_16_32_8 64, r0+r2*2, r0+r3
add r1, 128
lea r0, [r0+r2*4]
dec r4d
jg .loop
RET
; void ff_hevc_add_residual_32_8_<opt>(uint8_t *dst, int16_t *res, ptrdiff_t stride)
cglobal hevc_add_residual_32_8, 3, 5, 7
pxor m0, m0
mov r4d, 16
.loop:
ADD_RES_SSE_16_32_8 0, r0, r0+16
ADD_RES_SSE_16_32_8 64, r0+r2, r0+r2+16
add r1, 128
lea r0, [r0+r2*2]
dec r4d
jg .loop
RET
%endmacro
INIT_XMM sse2
TRANSFORM_ADD_8
INIT_XMM avx
TRANSFORM_ADD_8
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
; void ff_hevc_add_residual_32_8_avx2(uint8_t *dst, int16_t *res, ptrdiff_t stride)
cglobal hevc_add_residual_32_8, 3, 5, 7
pxor m0, m0
lea r3, [r2*3]
mov r4d, 8
.loop:
ADD_RES_SSE_16_32_8 0, r0, r0+r2
ADD_RES_SSE_16_32_8 128, r0+r2*2, r0+r3
add r1, 256
lea r0, [r0+r2*4]
dec r4d
jg .loop
RET
%endif ;HAVE_AVX2_EXTERNAL
%macro ADD_RES_SSE_8_10 4
mova m0, [%4]
mova m1, [%4+16]
mova m2, [%4+32]
mova m3, [%4+48]
paddw m0, [%1+0]
paddw m1, [%1+%2]
paddw m2, [%1+%2*2]
paddw m3, [%1+%3]
CLIPW m0, m4, m5
CLIPW m1, m4, m5
CLIPW m2, m4, m5
CLIPW m3, m4, m5
mova [%1+0], m0
mova [%1+%2], m1
mova [%1+%2*2], m2
mova [%1+%3], m3
%endmacro
%macro ADD_RES_MMX_4_10 3
mova m0, [%1+0]
mova m1, [%1+%2]
paddw m0, [%3]
paddw m1, [%3+8]
CLIPW m0, m2, m3
CLIPW m1, m2, m3
mova [%1+0], m0
mova [%1+%2], m1
%endmacro
%macro ADD_RES_SSE_16_10 3
mova m0, [%3]
mova m1, [%3+16]
mova m2, [%3+32]
mova m3, [%3+48]
paddw m0, [%1]
paddw m1, [%1+16]
paddw m2, [%1+%2]
paddw m3, [%1+%2+16]
CLIPW m0, m4, m5
CLIPW m1, m4, m5
CLIPW m2, m4, m5
CLIPW m3, m4, m5
mova [%1], m0
mova [%1+16], m1
mova [%1+%2], m2
mova [%1+%2+16], m3
%endmacro
%macro ADD_RES_SSE_32_10 2
mova m0, [%2]
mova m1, [%2+16]
mova m2, [%2+32]
mova m3, [%2+48]
paddw m0, [%1]
paddw m1, [%1+16]
paddw m2, [%1+32]
paddw m3, [%1+48]
CLIPW m0, m4, m5
CLIPW m1, m4, m5
CLIPW m2, m4, m5
CLIPW m3, m4, m5
mova [%1], m0
mova [%1+16], m1
mova [%1+32], m2
mova [%1+48], m3
%endmacro
%macro ADD_RES_AVX2_16_10 4
mova m0, [%4]
mova m1, [%4+32]
mova m2, [%4+64]
mova m3, [%4+96]
paddw m0, [%1+0]
paddw m1, [%1+%2]
paddw m2, [%1+%2*2]
paddw m3, [%1+%3]
CLIPW m0, m4, m5
CLIPW m1, m4, m5
CLIPW m2, m4, m5
CLIPW m3, m4, m5
mova [%1+0], m0
mova [%1+%2], m1
mova [%1+%2*2], m2
mova [%1+%3], m3
%endmacro
%macro ADD_RES_AVX2_32_10 3
mova m0, [%3]
mova m1, [%3+32]
mova m2, [%3+64]
mova m3, [%3+96]
paddw m0, [%1]
paddw m1, [%1+32]
paddw m2, [%1+%2]
paddw m3, [%1+%2+32]
CLIPW m0, m4, m5
CLIPW m1, m4, m5
CLIPW m2, m4, m5
CLIPW m3, m4, m5
mova [%1], m0
mova [%1+32], m1
mova [%1+%2], m2
mova [%1+%2+32], m3
%endmacro
; void ff_hevc_add_residual_<4|8|16|32>_10(pixel *dst, int16_t *block, ptrdiff_t stride)
INIT_MMX mmxext
cglobal hevc_add_residual_4_10, 3, 3, 6
pxor m2, m2
mova m3, [max_pixels_10]
ADD_RES_MMX_4_10 r0, r2, r1
add r1, 16
lea r0, [r0+2*r2]
ADD_RES_MMX_4_10 r0, r2, r1
RET
INIT_XMM sse2
cglobal hevc_add_residual_8_10, 3, 4, 6
pxor m4, m4
mova m5, [max_pixels_10]
lea r3, [r2*3]
ADD_RES_SSE_8_10 r0, r2, r3, r1
lea r0, [r0+r2*4]
add r1, 64
ADD_RES_SSE_8_10 r0, r2, r3, r1
RET
cglobal hevc_add_residual_16_10, 3, 5, 6
pxor m4, m4
mova m5, [max_pixels_10]
mov r4d, 8
.loop:
ADD_RES_SSE_16_10 r0, r2, r1
lea r0, [r0+r2*2]
add r1, 64
dec r4d
jg .loop
RET
cglobal hevc_add_residual_32_10, 3, 5, 6
pxor m4, m4
mova m5, [max_pixels_10]
mov r4d, 32
.loop:
ADD_RES_SSE_32_10 r0, r1
lea r0, [r0+r2]
add r1, 64
dec r4d
jg .loop
RET
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
cglobal hevc_add_residual_16_10, 3, 5, 6
pxor m4, m4
mova m5, [max_pixels_10]
lea r3, [r2*3]
mov r4d, 4
.loop:
ADD_RES_AVX2_16_10 r0, r2, r3, r1
lea r0, [r0+r2*4]
add r1, 128
dec r4d
jg .loop
RET
cglobal hevc_add_residual_32_10, 3, 5, 6
pxor m4, m4
mova m5, [max_pixels_10]
mov r4d, 16
.loop:
ADD_RES_AVX2_32_10 r0, r2, r1
lea r0, [r0+r2*2]
add r1, 128
dec r4d
jg .loop
RET
%endif ;HAVE_AVX2_EXTERNAL
|
