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778 lines
26 KiB
ArmAsm
778 lines
26 KiB
ArmAsm
/*
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* ARM NEON optimised DSP functions
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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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 "config.h"
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#include "asm.S"
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preserve8
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.text
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function ff_clear_block_neon, export=1
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vmov.i16 q0, #0
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.rept 8
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vst1.16 {q0}, [r0,:128]!
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.endr
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bx lr
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endfunc
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function ff_clear_blocks_neon, export=1
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vmov.i16 q0, #0
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.rept 8*6
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vst1.16 {q0}, [r0,:128]!
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.endr
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bx lr
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endfunc
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.macro pixels16 avg=0
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.if \avg
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mov ip, r0
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.endif
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1: vld1.64 {d0, d1}, [r1], r2
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vld1.64 {d2, d3}, [r1], r2
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vld1.64 {d4, d5}, [r1], r2
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pld [r1, r2, lsl #2]
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vld1.64 {d6, d7}, [r1], r2
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pld [r1]
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pld [r1, r2]
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pld [r1, r2, lsl #1]
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.if \avg
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vld1.64 {d16,d17}, [ip,:128], r2
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vrhadd.u8 q0, q0, q8
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vld1.64 {d18,d19}, [ip,:128], r2
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vrhadd.u8 q1, q1, q9
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vld1.64 {d20,d21}, [ip,:128], r2
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vrhadd.u8 q2, q2, q10
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vld1.64 {d22,d23}, [ip,:128], r2
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vrhadd.u8 q3, q3, q11
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.endif
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subs r3, r3, #4
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vst1.64 {d0, d1}, [r0,:128], r2
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vst1.64 {d2, d3}, [r0,:128], r2
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vst1.64 {d4, d5}, [r0,:128], r2
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vst1.64 {d6, d7}, [r0,:128], r2
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bne 1b
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bx lr
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.endm
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.macro pixels16_x2 vhadd=vrhadd.u8
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1: vld1.64 {d0-d2}, [r1], r2
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vld1.64 {d4-d6}, [r1], r2
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pld [r1]
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pld [r1, r2]
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subs r3, r3, #2
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vext.8 q1, q0, q1, #1
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\vhadd q0, q0, q1
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vext.8 q3, q2, q3, #1
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\vhadd q2, q2, q3
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vst1.64 {d0, d1}, [r0,:128], r2
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vst1.64 {d4, d5}, [r0,:128], r2
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bne 1b
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bx lr
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.endm
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.macro pixels16_y2 vhadd=vrhadd.u8
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vld1.64 {d0, d1}, [r1], r2
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vld1.64 {d2, d3}, [r1], r2
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1: subs r3, r3, #2
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\vhadd q2, q0, q1
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vld1.64 {d0, d1}, [r1], r2
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\vhadd q3, q0, q1
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vld1.64 {d2, d3}, [r1], r2
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pld [r1]
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pld [r1, r2]
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vst1.64 {d4, d5}, [r0,:128], r2
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vst1.64 {d6, d7}, [r0,:128], r2
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bne 1b
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bx lr
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.endm
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.macro pixels16_xy2 vshrn=vrshrn.u16 no_rnd=0
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vld1.64 {d0-d2}, [r1], r2
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vld1.64 {d4-d6}, [r1], r2
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.if \no_rnd
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vmov.i16 q13, #1
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.endif
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pld [r1]
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pld [r1, r2]
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vext.8 q1, q0, q1, #1
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vext.8 q3, q2, q3, #1
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vaddl.u8 q8, d0, d2
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vaddl.u8 q10, d1, d3
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vaddl.u8 q9, d4, d6
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vaddl.u8 q11, d5, d7
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1: subs r3, r3, #2
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vld1.64 {d0-d2}, [r1], r2
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vadd.u16 q12, q8, q9
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pld [r1]
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.if \no_rnd
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vadd.u16 q12, q12, q13
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.endif
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vext.8 q15, q0, q1, #1
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vadd.u16 q1 , q10, q11
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\vshrn d28, q12, #2
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.if \no_rnd
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vadd.u16 q1, q1, q13
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.endif
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\vshrn d29, q1, #2
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vaddl.u8 q8, d0, d30
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vld1.64 {d2-d4}, [r1], r2
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vaddl.u8 q10, d1, d31
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vst1.64 {d28,d29}, [r0,:128], r2
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vadd.u16 q12, q8, q9
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pld [r1, r2]
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.if \no_rnd
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vadd.u16 q12, q12, q13
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.endif
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vext.8 q2, q1, q2, #1
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vadd.u16 q0, q10, q11
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\vshrn d30, q12, #2
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.if \no_rnd
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vadd.u16 q0, q0, q13
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.endif
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\vshrn d31, q0, #2
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vaddl.u8 q9, d2, d4
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vaddl.u8 q11, d3, d5
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vst1.64 {d30,d31}, [r0,:128], r2
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bgt 1b
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bx lr
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.endm
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.macro pixels8 avg=0
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1: vld1.64 {d0}, [r1], r2
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vld1.64 {d1}, [r1], r2
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vld1.64 {d2}, [r1], r2
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pld [r1, r2, lsl #2]
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vld1.64 {d3}, [r1], r2
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pld [r1]
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pld [r1, r2]
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pld [r1, r2, lsl #1]
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.if \avg
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vld1.64 {d4}, [r0,:64], r2
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vrhadd.u8 d0, d0, d4
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vld1.64 {d5}, [r0,:64], r2
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vrhadd.u8 d1, d1, d5
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vld1.64 {d6}, [r0,:64], r2
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vrhadd.u8 d2, d2, d6
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vld1.64 {d7}, [r0,:64], r2
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vrhadd.u8 d3, d3, d7
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sub r0, r0, r2, lsl #2
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.endif
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subs r3, r3, #4
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vst1.64 {d0}, [r0,:64], r2
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vst1.64 {d1}, [r0,:64], r2
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vst1.64 {d2}, [r0,:64], r2
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vst1.64 {d3}, [r0,:64], r2
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bne 1b
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bx lr
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.endm
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.macro pixels8_x2 vhadd=vrhadd.u8
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1: vld1.64 {d0, d1}, [r1], r2
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vext.8 d1, d0, d1, #1
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vld1.64 {d2, d3}, [r1], r2
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vext.8 d3, d2, d3, #1
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pld [r1]
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pld [r1, r2]
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subs r3, r3, #2
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vswp d1, d2
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\vhadd q0, q0, q1
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vst1.64 {d0}, [r0,:64], r2
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vst1.64 {d1}, [r0,:64], r2
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bne 1b
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bx lr
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.endm
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.macro pixels8_y2 vhadd=vrhadd.u8
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vld1.64 {d0}, [r1], r2
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vld1.64 {d1}, [r1], r2
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1: subs r3, r3, #2
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\vhadd d4, d0, d1
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vld1.64 {d0}, [r1], r2
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\vhadd d5, d0, d1
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vld1.64 {d1}, [r1], r2
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pld [r1]
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pld [r1, r2]
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vst1.64 {d4}, [r0,:64], r2
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vst1.64 {d5}, [r0,:64], r2
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bne 1b
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bx lr
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.endm
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.macro pixels8_xy2 vshrn=vrshrn.u16 no_rnd=0
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vld1.64 {d0, d1}, [r1], r2
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vld1.64 {d2, d3}, [r1], r2
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.if \no_rnd
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vmov.i16 q11, #1
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.endif
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pld [r1]
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pld [r1, r2]
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vext.8 d4, d0, d1, #1
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vext.8 d6, d2, d3, #1
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vaddl.u8 q8, d0, d4
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vaddl.u8 q9, d2, d6
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1: subs r3, r3, #2
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vld1.64 {d0, d1}, [r1], r2
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pld [r1]
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vadd.u16 q10, q8, q9
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vext.8 d4, d0, d1, #1
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.if \no_rnd
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vadd.u16 q10, q10, q11
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.endif
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vaddl.u8 q8, d0, d4
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\vshrn d5, q10, #2
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vld1.64 {d2, d3}, [r1], r2
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vadd.u16 q10, q8, q9
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pld [r1, r2]
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.if \no_rnd
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vadd.u16 q10, q10, q11
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.endif
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vst1.64 {d5}, [r0,:64], r2
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\vshrn d7, q10, #2
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vext.8 d6, d2, d3, #1
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vaddl.u8 q9, d2, d6
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vst1.64 {d7}, [r0,:64], r2
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bgt 1b
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bx lr
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.endm
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.macro pixfunc pfx name suf rnd_op args:vararg
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function ff_\pfx\name\suf\()_neon, export=1
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\name \rnd_op \args
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endfunc
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.endm
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.macro pixfunc2 pfx name args:vararg
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pixfunc \pfx \name
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pixfunc \pfx \name \args
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.endm
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function ff_put_h264_qpel16_mc00_neon, export=1
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mov r3, #16
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endfunc
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pixfunc put_ pixels16
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pixfunc2 put_ pixels16_x2, _no_rnd, vhadd.u8
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pixfunc2 put_ pixels16_y2, _no_rnd, vhadd.u8
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pixfunc2 put_ pixels16_xy2, _no_rnd, vshrn.u16, 1
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function ff_avg_h264_qpel16_mc00_neon, export=1
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mov r3, #16
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endfunc
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pixfunc avg_ pixels16,, 1
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function ff_put_h264_qpel8_mc00_neon, export=1
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mov r3, #8
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endfunc
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pixfunc put_ pixels8
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pixfunc2 put_ pixels8_x2, _no_rnd, vhadd.u8
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pixfunc2 put_ pixels8_y2, _no_rnd, vhadd.u8
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pixfunc2 put_ pixels8_xy2, _no_rnd, vshrn.u16, 1
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function ff_avg_h264_qpel8_mc00_neon, export=1
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mov r3, #8
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endfunc
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pixfunc avg_ pixels8,, 1
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function ff_put_pixels_clamped_neon, export=1
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vld1.64 {d16-d19}, [r0,:128]!
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vqmovun.s16 d0, q8
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vld1.64 {d20-d23}, [r0,:128]!
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vqmovun.s16 d1, q9
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vld1.64 {d24-d27}, [r0,:128]!
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vqmovun.s16 d2, q10
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vld1.64 {d28-d31}, [r0,:128]!
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vqmovun.s16 d3, q11
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vst1.64 {d0}, [r1,:64], r2
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vqmovun.s16 d4, q12
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vst1.64 {d1}, [r1,:64], r2
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vqmovun.s16 d5, q13
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vst1.64 {d2}, [r1,:64], r2
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vqmovun.s16 d6, q14
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vst1.64 {d3}, [r1,:64], r2
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vqmovun.s16 d7, q15
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vst1.64 {d4}, [r1,:64], r2
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vst1.64 {d5}, [r1,:64], r2
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vst1.64 {d6}, [r1,:64], r2
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vst1.64 {d7}, [r1,:64], r2
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bx lr
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endfunc
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function ff_put_signed_pixels_clamped_neon, export=1
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vmov.u8 d31, #128
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vld1.64 {d16-d17}, [r0,:128]!
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vqmovn.s16 d0, q8
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vld1.64 {d18-d19}, [r0,:128]!
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vqmovn.s16 d1, q9
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vld1.64 {d16-d17}, [r0,:128]!
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vqmovn.s16 d2, q8
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vld1.64 {d18-d19}, [r0,:128]!
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vadd.u8 d0, d0, d31
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vld1.64 {d20-d21}, [r0,:128]!
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vadd.u8 d1, d1, d31
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vld1.64 {d22-d23}, [r0,:128]!
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vadd.u8 d2, d2, d31
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vst1.64 {d0}, [r1,:64], r2
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vqmovn.s16 d3, q9
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vst1.64 {d1}, [r1,:64], r2
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vqmovn.s16 d4, q10
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vst1.64 {d2}, [r1,:64], r2
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vqmovn.s16 d5, q11
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vld1.64 {d24-d25}, [r0,:128]!
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vadd.u8 d3, d3, d31
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vld1.64 {d26-d27}, [r0,:128]!
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vadd.u8 d4, d4, d31
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vadd.u8 d5, d5, d31
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vst1.64 {d3}, [r1,:64], r2
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vqmovn.s16 d6, q12
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vst1.64 {d4}, [r1,:64], r2
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vqmovn.s16 d7, q13
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vst1.64 {d5}, [r1,:64], r2
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vadd.u8 d6, d6, d31
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vadd.u8 d7, d7, d31
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vst1.64 {d6}, [r1,:64], r2
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vst1.64 {d7}, [r1,:64], r2
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bx lr
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endfunc
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function ff_add_pixels_clamped_neon, export=1
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mov r3, r1
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vld1.64 {d16}, [r1,:64], r2
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vld1.64 {d0-d1}, [r0,:128]!
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vaddw.u8 q0, q0, d16
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vld1.64 {d17}, [r1,:64], r2
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vld1.64 {d2-d3}, [r0,:128]!
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vqmovun.s16 d0, q0
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vld1.64 {d18}, [r1,:64], r2
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vaddw.u8 q1, q1, d17
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vld1.64 {d4-d5}, [r0,:128]!
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vaddw.u8 q2, q2, d18
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vst1.64 {d0}, [r3,:64], r2
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vqmovun.s16 d2, q1
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vld1.64 {d19}, [r1,:64], r2
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vld1.64 {d6-d7}, [r0,:128]!
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vaddw.u8 q3, q3, d19
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vqmovun.s16 d4, q2
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vst1.64 {d2}, [r3,:64], r2
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vld1.64 {d16}, [r1,:64], r2
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vqmovun.s16 d6, q3
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vld1.64 {d0-d1}, [r0,:128]!
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vaddw.u8 q0, q0, d16
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vst1.64 {d4}, [r3,:64], r2
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vld1.64 {d17}, [r1,:64], r2
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vld1.64 {d2-d3}, [r0,:128]!
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vaddw.u8 q1, q1, d17
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vst1.64 {d6}, [r3,:64], r2
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vqmovun.s16 d0, q0
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vld1.64 {d18}, [r1,:64], r2
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vld1.64 {d4-d5}, [r0,:128]!
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vaddw.u8 q2, q2, d18
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vst1.64 {d0}, [r3,:64], r2
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vqmovun.s16 d2, q1
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vld1.64 {d19}, [r1,:64], r2
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vqmovun.s16 d4, q2
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vld1.64 {d6-d7}, [r0,:128]!
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vaddw.u8 q3, q3, d19
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vst1.64 {d2}, [r3,:64], r2
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vqmovun.s16 d6, q3
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vst1.64 {d4}, [r3,:64], r2
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vst1.64 {d6}, [r3,:64], r2
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bx lr
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endfunc
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function ff_vector_fmul_neon, export=1
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subs r3, r3, #8
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vld1.64 {d0-d3}, [r1,:128]!
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vld1.64 {d4-d7}, [r2,:128]!
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vmul.f32 q8, q0, q2
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vmul.f32 q9, q1, q3
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beq 3f
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bics ip, r3, #15
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beq 2f
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1: subs ip, ip, #16
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vld1.64 {d0-d1}, [r1,:128]!
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vld1.64 {d4-d5}, [r2,:128]!
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vmul.f32 q10, q0, q2
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vld1.64 {d2-d3}, [r1,:128]!
|
|
vld1.64 {d6-d7}, [r2,:128]!
|
|
vmul.f32 q11, q1, q3
|
|
vst1.64 {d16-d19},[r0,:128]!
|
|
vld1.64 {d0-d1}, [r1,:128]!
|
|
vld1.64 {d4-d5}, [r2,:128]!
|
|
vmul.f32 q8, q0, q2
|
|
vld1.64 {d2-d3}, [r1,:128]!
|
|
vld1.64 {d6-d7}, [r2,:128]!
|
|
vmul.f32 q9, q1, q3
|
|
vst1.64 {d20-d23},[r0,:128]!
|
|
bne 1b
|
|
ands r3, r3, #15
|
|
beq 3f
|
|
2: vld1.64 {d0-d1}, [r1,:128]!
|
|
vld1.64 {d4-d5}, [r2,:128]!
|
|
vst1.64 {d16-d17},[r0,:128]!
|
|
vmul.f32 q8, q0, q2
|
|
vld1.64 {d2-d3}, [r1,:128]!
|
|
vld1.64 {d6-d7}, [r2,:128]!
|
|
vst1.64 {d18-d19},[r0,:128]!
|
|
vmul.f32 q9, q1, q3
|
|
3: vst1.64 {d16-d19},[r0,:128]!
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_fmul_window_neon, export=1
|
|
push {r4,r5,lr}
|
|
ldr lr, [sp, #12]
|
|
sub r2, r2, #8
|
|
sub r5, lr, #2
|
|
add r2, r2, r5, lsl #2
|
|
add r4, r3, r5, lsl #3
|
|
add ip, r0, r5, lsl #3
|
|
mov r5, #-16
|
|
vld1.64 {d0,d1}, [r1,:128]!
|
|
vld1.64 {d2,d3}, [r2,:128], r5
|
|
vld1.64 {d4,d5}, [r3,:128]!
|
|
vld1.64 {d6,d7}, [r4,:128], r5
|
|
1: subs lr, lr, #4
|
|
vmul.f32 d22, d0, d4
|
|
vrev64.32 q3, q3
|
|
vmul.f32 d23, d1, d5
|
|
vrev64.32 q1, q1
|
|
vmul.f32 d20, d0, d7
|
|
vmul.f32 d21, d1, d6
|
|
beq 2f
|
|
vmla.f32 d22, d3, d7
|
|
vld1.64 {d0,d1}, [r1,:128]!
|
|
vmla.f32 d23, d2, d6
|
|
vld1.64 {d18,d19},[r2,:128], r5
|
|
vmls.f32 d20, d3, d4
|
|
vld1.64 {d24,d25},[r3,:128]!
|
|
vmls.f32 d21, d2, d5
|
|
vld1.64 {d6,d7}, [r4,:128], r5
|
|
vmov q1, q9
|
|
vrev64.32 q11, q11
|
|
vmov q2, q12
|
|
vswp d22, d23
|
|
vst1.64 {d20,d21},[r0,:128]!
|
|
vst1.64 {d22,d23},[ip,:128], r5
|
|
b 1b
|
|
2: vmla.f32 d22, d3, d7
|
|
vmla.f32 d23, d2, d6
|
|
vmls.f32 d20, d3, d4
|
|
vmls.f32 d21, d2, d5
|
|
vrev64.32 q11, q11
|
|
vswp d22, d23
|
|
vst1.64 {d20,d21},[r0,:128]!
|
|
vst1.64 {d22,d23},[ip,:128], r5
|
|
pop {r4,r5,pc}
|
|
endfunc
|
|
|
|
#if CONFIG_VORBIS_DECODER
|
|
function ff_vorbis_inverse_coupling_neon, export=1
|
|
vmov.i32 q10, #1<<31
|
|
subs r2, r2, #4
|
|
mov r3, r0
|
|
mov r12, r1
|
|
beq 3f
|
|
|
|
vld1.32 {d24-d25},[r1,:128]!
|
|
vld1.32 {d22-d23},[r0,:128]!
|
|
vcle.s32 q8, q12, #0
|
|
vand q9, q11, q10
|
|
veor q12, q12, q9
|
|
vand q2, q12, q8
|
|
vbic q3, q12, q8
|
|
vadd.f32 q12, q11, q2
|
|
vsub.f32 q11, q11, q3
|
|
1: vld1.32 {d2-d3}, [r1,:128]!
|
|
vld1.32 {d0-d1}, [r0,:128]!
|
|
vcle.s32 q8, q1, #0
|
|
vand q9, q0, q10
|
|
veor q1, q1, q9
|
|
vst1.32 {d24-d25},[r3, :128]!
|
|
vst1.32 {d22-d23},[r12,:128]!
|
|
vand q2, q1, q8
|
|
vbic q3, q1, q8
|
|
vadd.f32 q1, q0, q2
|
|
vsub.f32 q0, q0, q3
|
|
subs r2, r2, #8
|
|
ble 2f
|
|
vld1.32 {d24-d25},[r1,:128]!
|
|
vld1.32 {d22-d23},[r0,:128]!
|
|
vcle.s32 q8, q12, #0
|
|
vand q9, q11, q10
|
|
veor q12, q12, q9
|
|
vst1.32 {d2-d3}, [r3, :128]!
|
|
vst1.32 {d0-d1}, [r12,:128]!
|
|
vand q2, q12, q8
|
|
vbic q3, q12, q8
|
|
vadd.f32 q12, q11, q2
|
|
vsub.f32 q11, q11, q3
|
|
b 1b
|
|
|
|
2: vst1.32 {d2-d3}, [r3, :128]!
|
|
vst1.32 {d0-d1}, [r12,:128]!
|
|
it lt
|
|
bxlt lr
|
|
|
|
3: vld1.32 {d2-d3}, [r1,:128]
|
|
vld1.32 {d0-d1}, [r0,:128]
|
|
vcle.s32 q8, q1, #0
|
|
vand q9, q0, q10
|
|
veor q1, q1, q9
|
|
vand q2, q1, q8
|
|
vbic q3, q1, q8
|
|
vadd.f32 q1, q0, q2
|
|
vsub.f32 q0, q0, q3
|
|
vst1.32 {d2-d3}, [r0,:128]!
|
|
vst1.32 {d0-d1}, [r1,:128]!
|
|
bx lr
|
|
endfunc
|
|
#endif
|
|
|
|
function ff_vector_fmul_scalar_neon, export=1
|
|
VFP len .req r2
|
|
NOVFP len .req r3
|
|
VFP vdup.32 q8, d0[0]
|
|
NOVFP vdup.32 q8, r2
|
|
bics r12, len, #15
|
|
beq 3f
|
|
vld1.32 {q0},[r1,:128]!
|
|
vld1.32 {q1},[r1,:128]!
|
|
1: vmul.f32 q0, q0, q8
|
|
vld1.32 {q2},[r1,:128]!
|
|
vmul.f32 q1, q1, q8
|
|
vld1.32 {q3},[r1,:128]!
|
|
vmul.f32 q2, q2, q8
|
|
vst1.32 {q0},[r0,:128]!
|
|
vmul.f32 q3, q3, q8
|
|
vst1.32 {q1},[r0,:128]!
|
|
subs r12, r12, #16
|
|
beq 2f
|
|
vld1.32 {q0},[r1,:128]!
|
|
vst1.32 {q2},[r0,:128]!
|
|
vld1.32 {q1},[r1,:128]!
|
|
vst1.32 {q3},[r0,:128]!
|
|
b 1b
|
|
2: vst1.32 {q2},[r0,:128]!
|
|
vst1.32 {q3},[r0,:128]!
|
|
ands len, len, #15
|
|
it eq
|
|
bxeq lr
|
|
3: vld1.32 {q0},[r1,:128]!
|
|
vmul.f32 q0, q0, q8
|
|
vst1.32 {q0},[r0,:128]!
|
|
subs len, len, #4
|
|
bgt 3b
|
|
bx lr
|
|
.unreq len
|
|
endfunc
|
|
|
|
function ff_vector_fmac_scalar_neon, export=1
|
|
VFP len .req r2
|
|
VFP acc .req r3
|
|
NOVFP len .req r3
|
|
NOVFP acc .req r2
|
|
VFP vdup.32 q15, d0[0]
|
|
NOVFP vdup.32 q15, r2
|
|
bics r12, len, #15
|
|
mov acc, r0
|
|
beq 3f
|
|
vld1.32 {q0}, [r1,:128]!
|
|
vld1.32 {q8}, [acc,:128]!
|
|
vld1.32 {q1}, [r1,:128]!
|
|
vld1.32 {q9}, [acc,:128]!
|
|
1: vmla.f32 q8, q0, q15
|
|
vld1.32 {q2}, [r1,:128]!
|
|
vld1.32 {q10}, [acc,:128]!
|
|
vmla.f32 q9, q1, q15
|
|
vld1.32 {q3}, [r1,:128]!
|
|
vld1.32 {q11}, [acc,:128]!
|
|
vmla.f32 q10, q2, q15
|
|
vst1.32 {q8}, [r0,:128]!
|
|
vmla.f32 q11, q3, q15
|
|
vst1.32 {q9}, [r0,:128]!
|
|
subs r12, r12, #16
|
|
beq 2f
|
|
vld1.32 {q0}, [r1,:128]!
|
|
vld1.32 {q8}, [acc,:128]!
|
|
vst1.32 {q10}, [r0,:128]!
|
|
vld1.32 {q1}, [r1,:128]!
|
|
vld1.32 {q9}, [acc,:128]!
|
|
vst1.32 {q11}, [r0,:128]!
|
|
b 1b
|
|
2: vst1.32 {q10}, [r0,:128]!
|
|
vst1.32 {q11}, [r0,:128]!
|
|
ands len, len, #15
|
|
it eq
|
|
bxeq lr
|
|
3: vld1.32 {q0}, [r1,:128]!
|
|
vld1.32 {q8}, [acc,:128]!
|
|
vmla.f32 q8, q0, q15
|
|
vst1.32 {q8}, [r0,:128]!
|
|
subs len, len, #4
|
|
bgt 3b
|
|
bx lr
|
|
.unreq len
|
|
endfunc
|
|
|
|
function ff_butterflies_float_neon, export=1
|
|
1: vld1.32 {q0},[r0,:128]
|
|
vld1.32 {q1},[r1,:128]
|
|
vsub.f32 q2, q0, q1
|
|
vadd.f32 q1, q0, q1
|
|
vst1.32 {q2},[r1,:128]!
|
|
vst1.32 {q1},[r0,:128]!
|
|
subs r2, r2, #4
|
|
bgt 1b
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_scalarproduct_float_neon, export=1
|
|
vmov.f32 q2, #0.0
|
|
1: vld1.32 {q0},[r0,:128]!
|
|
vld1.32 {q1},[r1,:128]!
|
|
vmla.f32 q2, q0, q1
|
|
subs r2, r2, #4
|
|
bgt 1b
|
|
vadd.f32 d0, d4, d5
|
|
vpadd.f32 d0, d0, d0
|
|
NOVFP vmov.32 r0, d0[0]
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_fmul_reverse_neon, export=1
|
|
add r2, r2, r3, lsl #2
|
|
sub r2, r2, #32
|
|
mov r12, #-32
|
|
vld1.32 {q0-q1}, [r1,:128]!
|
|
vld1.32 {q2-q3}, [r2,:128], r12
|
|
1: pld [r1, #32]
|
|
vrev64.32 q3, q3
|
|
vmul.f32 d16, d0, d7
|
|
vmul.f32 d17, d1, d6
|
|
pld [r2, #-32]
|
|
vrev64.32 q2, q2
|
|
vmul.f32 d18, d2, d5
|
|
vmul.f32 d19, d3, d4
|
|
subs r3, r3, #8
|
|
beq 2f
|
|
vld1.32 {q0-q1}, [r1,:128]!
|
|
vld1.32 {q2-q3}, [r2,:128], r12
|
|
vst1.32 {q8-q9}, [r0,:128]!
|
|
b 1b
|
|
2: vst1.32 {q8-q9}, [r0,:128]!
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_fmul_add_neon, export=1
|
|
ldr r12, [sp]
|
|
vld1.32 {q0-q1}, [r1,:128]!
|
|
vld1.32 {q8-q9}, [r2,:128]!
|
|
vld1.32 {q2-q3}, [r3,:128]!
|
|
vmul.f32 q10, q0, q8
|
|
vmul.f32 q11, q1, q9
|
|
1: vadd.f32 q12, q2, q10
|
|
vadd.f32 q13, q3, q11
|
|
pld [r1, #16]
|
|
pld [r2, #16]
|
|
pld [r3, #16]
|
|
subs r12, r12, #8
|
|
beq 2f
|
|
vld1.32 {q0}, [r1,:128]!
|
|
vld1.32 {q8}, [r2,:128]!
|
|
vmul.f32 q10, q0, q8
|
|
vld1.32 {q1}, [r1,:128]!
|
|
vld1.32 {q9}, [r2,:128]!
|
|
vmul.f32 q11, q1, q9
|
|
vld1.32 {q2-q3}, [r3,:128]!
|
|
vst1.32 {q12-q13},[r0,:128]!
|
|
b 1b
|
|
2: vst1.32 {q12-q13},[r0,:128]!
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_vector_clipf_neon, export=1
|
|
VFP vdup.32 q1, d0[1]
|
|
VFP vdup.32 q0, d0[0]
|
|
NOVFP vdup.32 q0, r2
|
|
NOVFP vdup.32 q1, r3
|
|
NOVFP ldr r2, [sp]
|
|
vld1.f32 {q2},[r1,:128]!
|
|
vmin.f32 q10, q2, q1
|
|
vld1.f32 {q3},[r1,:128]!
|
|
vmin.f32 q11, q3, q1
|
|
1: vmax.f32 q8, q10, q0
|
|
vmax.f32 q9, q11, q0
|
|
subs r2, r2, #8
|
|
beq 2f
|
|
vld1.f32 {q2},[r1,:128]!
|
|
vmin.f32 q10, q2, q1
|
|
vld1.f32 {q3},[r1,:128]!
|
|
vmin.f32 q11, q3, q1
|
|
vst1.f32 {q8},[r0,:128]!
|
|
vst1.f32 {q9},[r0,:128]!
|
|
b 1b
|
|
2: vst1.f32 {q8},[r0,:128]!
|
|
vst1.f32 {q9},[r0,:128]!
|
|
bx lr
|
|
endfunc
|
|
|
|
function ff_apply_window_int16_neon, export=1
|
|
push {r4,lr}
|
|
add r4, r1, r3, lsl #1
|
|
add lr, r0, r3, lsl #1
|
|
sub r4, r4, #16
|
|
sub lr, lr, #16
|
|
mov r12, #-16
|
|
1:
|
|
vld1.16 {q0}, [r1,:128]!
|
|
vld1.16 {q2}, [r2,:128]!
|
|
vld1.16 {q1}, [r4,:128], r12
|
|
vrev64.16 q3, q2
|
|
vqrdmulh.s16 q0, q0, q2
|
|
vqrdmulh.s16 d2, d2, d7
|
|
vqrdmulh.s16 d3, d3, d6
|
|
vst1.16 {q0}, [r0,:128]!
|
|
vst1.16 {q1}, [lr,:128], r12
|
|
subs r3, r3, #16
|
|
bgt 1b
|
|
|
|
pop {r4,pc}
|
|
endfunc
|
|
|
|
function ff_vector_clip_int32_neon, export=1
|
|
vdup.32 q0, r2
|
|
vdup.32 q1, r3
|
|
ldr r2, [sp]
|
|
1:
|
|
vld1.32 {q2-q3}, [r1,:128]!
|
|
vmin.s32 q2, q2, q1
|
|
vmin.s32 q3, q3, q1
|
|
vmax.s32 q2, q2, q0
|
|
vmax.s32 q3, q3, q0
|
|
vst1.32 {q2-q3}, [r0,:128]!
|
|
subs r2, r2, #8
|
|
bgt 1b
|
|
bx lr
|
|
endfunc
|