mirror of
https://github.com/FFmpeg/FFmpeg.git
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86 lines
3.0 KiB
ArmAsm
86 lines
3.0 KiB
ArmAsm
/*
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* Copyright (c) 2011 Janne Grunau <janne-libav@jannau.net>
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "asm.S"
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.macro rv40_weight
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vmovl.u8 q8, d2
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vmovl.u8 q9, d3
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vmovl.u8 q10, d4
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vmovl.u8 q11, d5
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vmull.u16 q2, d16, d0[2]
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vmull.u16 q3, d17, d0[2]
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vmull.u16 q8, d18, d0[2]
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vmull.u16 q9, d19, d0[2]
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vmull.u16 q12, d20, d0[0]
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vmull.u16 q13, d21, d0[0]
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vmull.u16 q14, d22, d0[0]
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vmull.u16 q15, d23, d0[0]
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vshrn.i32 d4, q2, #9
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vshrn.i32 d5, q3, #9
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vshrn.i32 d6, q8, #9
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vshrn.i32 d7, q9, #9
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vshrn.i32 d16, q12, #9
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vshrn.i32 d17, q13, #9
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vshrn.i32 d18, q14, #9
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vshrn.i32 d19, q15, #9
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vadd.u16 q2, q2, q8
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vadd.u16 q3, q3, q9
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vrshrn.i16 d2, q2, #5
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vrshrn.i16 d3, q3, #5
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.endm
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/* void ff_rv40_weight_func_16_neon(uint8_t *dst, uint8_t *src1, uint8_t *src2,
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int w1, int w2, int stride) */
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function ff_rv40_weight_func_16_neon, export=1
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ldr r12, [sp]
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vmov d0, r3, r12
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ldr r12, [sp, #4]
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mov r3, #16
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1:
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vld1.8 {q1}, [r1,:128], r12
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vld1.8 {q2}, [r2,:128], r12
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rv40_weight
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vst1.8 {q1}, [r0,:128], r12
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subs r3, r3, #1
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bne 1b
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bx lr
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endfunc
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/* void ff_rv40_weight_func_8_neon(uint8_t *dst, uint8_t *src1, uint8_t *src2,
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int w1, int w2, int stride) */
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function ff_rv40_weight_func_8_neon, export=1
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ldr r12, [sp]
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vmov d0, r3, r12
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ldr r12, [sp, #4]
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mov r3, #8
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1:
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vld1.8 {d2}, [r1,:64], r12
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vld1.8 {d3}, [r1,:64], r12
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vld1.8 {d4}, [r2,:64], r12
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vld1.8 {d5}, [r2,:64], r12
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rv40_weight
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vst1.8 {d2}, [r0,:64], r12
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vst1.8 {d3}, [r0,:64], r12
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subs r3, r3, #2
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bne 1b
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bx lr
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endfunc
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