* commit '5bcbb516f2ff45290ef7995b081762e668693672': arm: Add X() around all references to extern symbols Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
			
				
	
	
		
			364 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			364 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
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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 FFmpeg
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 *
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 * FFmpeg 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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 * FFmpeg 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 FFmpeg; 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 "libavutil/arm/asm.S"
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function ff_conv_flt_to_s16_neon, export=1
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        subs            r2,  r2,  #8
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        vld1.32         {q0},     [r1,:128]!
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        vcvt.s32.f32    q8,  q0,  #31
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        vld1.32         {q1},     [r1,:128]!
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        vcvt.s32.f32    q9,  q1,  #31
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        beq             3f
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        bics            r12, r2,  #15
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        beq             2f
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1:      subs            r12, r12, #16
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        vqrshrn.s32     d4,  q8,  #16
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        vld1.32         {q0},     [r1,:128]!
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        vcvt.s32.f32    q0,  q0,  #31
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        vqrshrn.s32     d5,  q9,  #16
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        vld1.32         {q1},     [r1,:128]!
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        vcvt.s32.f32    q1,  q1,  #31
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        vqrshrn.s32     d6,  q0,  #16
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        vst1.16         {q2},     [r0,:128]!
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        vqrshrn.s32     d7,  q1,  #16
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        vld1.32         {q8},     [r1,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vld1.32         {q9},     [r1,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vst1.16         {q3},     [r0,:128]!
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        bne             1b
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        ands            r2,  r2,  #15
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        beq             3f
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2:      vld1.32         {q0},     [r1,:128]!
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        vqrshrn.s32     d4,  q8,  #16
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        vcvt.s32.f32    q0,  q0,  #31
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        vld1.32         {q1},     [r1,:128]!
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        vqrshrn.s32     d5,  q9,  #16
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        vcvt.s32.f32    q1,  q1,  #31
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        vqrshrn.s32     d6,  q0,  #16
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        vst1.16         {q2},     [r0,:128]!
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        vqrshrn.s32     d7,  q1,  #16
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        vst1.16         {q3},     [r0,:128]!
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        bx              lr
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3:      vqrshrn.s32     d4,  q8,  #16
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        vqrshrn.s32     d5,  q9,  #16
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        vst1.16         {q2},     [r0,:128]!
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        bx              lr
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endfunc
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function ff_conv_fltp_to_s16_2ch_neon, export=1
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        ldm             r1,  {r1, r3}
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        subs            r2,  r2,  #8
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        vld1.32         {q0},     [r1,:128]!
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        vcvt.s32.f32    q8,  q0,  #31
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        vld1.32         {q1},     [r1,:128]!
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        vcvt.s32.f32    q9,  q1,  #31
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        vld1.32         {q10},    [r3,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vld1.32         {q11},    [r3,:128]!
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        vcvt.s32.f32    q11, q11, #31
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        beq             3f
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        bics            r12, r2,  #15
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        beq             2f
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1:      subs            r12, r12, #16
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        vld1.32         {q0},     [r1,:128]!
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        vcvt.s32.f32    q0,  q0,  #31
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        vsri.32         q10, q8,  #16
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        vld1.32         {q1},     [r1,:128]!
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        vcvt.s32.f32    q1,  q1,  #31
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        vld1.32         {q12},    [r3,:128]!
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        vcvt.s32.f32    q12, q12, #31
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        vld1.32         {q13},    [r3,:128]!
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        vsri.32         q11, q9,  #16
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        vst1.16         {q10},    [r0,:128]!
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        vcvt.s32.f32    q13, q13, #31
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        vst1.16         {q11},    [r0,:128]!
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        vsri.32         q12, q0,  #16
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        vld1.32         {q8},     [r1,:128]!
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        vsri.32         q13, q1,  #16
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        vst1.16         {q12},    [r0,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vld1.32         {q9},     [r1,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vld1.32         {q10},    [r3,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vld1.32         {q11},    [r3,:128]!
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        vcvt.s32.f32    q11, q11, #31
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        vst1.16         {q13},    [r0,:128]!
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        bne             1b
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        ands            r2,  r2,  #15
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        beq             3f
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2:      vsri.32         q10, q8,  #16
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        vld1.32         {q0},     [r1,:128]!
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        vcvt.s32.f32    q0,  q0,  #31
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        vld1.32         {q1},     [r1,:128]!
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        vcvt.s32.f32    q1,  q1,  #31
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        vld1.32         {q12},    [r3,:128]!
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        vcvt.s32.f32    q12, q12, #31
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        vsri.32         q11, q9,  #16
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        vld1.32         {q13},    [r3,:128]!
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        vcvt.s32.f32    q13, q13, #31
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        vst1.16         {q10},    [r0,:128]!
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        vsri.32         q12, q0,  #16
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        vst1.16         {q11},    [r0,:128]!
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        vsri.32         q13, q1,  #16
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        vst1.16         {q12-q13},[r0,:128]!
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        bx              lr
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3:      vsri.32         q10, q8,  #16
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        vsri.32         q11, q9,  #16
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        vst1.16         {q10-q11},[r0,:128]!
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        bx              lr
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endfunc
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function ff_conv_fltp_to_s16_neon, export=1
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        cmp             r3,  #2
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        itt             lt
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        ldrlt           r1,  [r1]
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        blt             X(ff_conv_flt_to_s16_neon)
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        beq             X(ff_conv_fltp_to_s16_2ch_neon)
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        push            {r4-r8, lr}
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        cmp             r3,  #4
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        lsl             r12, r3,  #1
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        blt             4f
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        @ 4 channels
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5:      ldm             r1!, {r4-r7}
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        mov             lr,  r2
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        mov             r8,  r0
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        vld1.32         {q8},     [r4,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vld1.32         {q9},     [r5,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vld1.32         {q10},    [r6,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vld1.32         {q11},    [r7,:128]!
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        vcvt.s32.f32    q11, q11, #31
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6:      subs            lr,  lr,  #8
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        vld1.32         {q0},     [r4,:128]!
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        vcvt.s32.f32    q0,  q0,  #31
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        vsri.32         q9,  q8,  #16
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        vld1.32         {q1},     [r5,:128]!
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        vcvt.s32.f32    q1,  q1,  #31
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        vsri.32         q11, q10, #16
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        vld1.32         {q2},     [r6,:128]!
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        vcvt.s32.f32    q2,  q2,  #31
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        vzip.32         d18, d22
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        vld1.32         {q3},     [r7,:128]!
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        vcvt.s32.f32    q3,  q3,  #31
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        vzip.32         d19, d23
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        vst1.16         {d18},    [r8], r12
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        vsri.32         q1,  q0,  #16
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        vst1.16         {d22},    [r8], r12
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        vsri.32         q3,  q2,  #16
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        vst1.16         {d19},    [r8], r12
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        vzip.32         d2,  d6
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        vst1.16         {d23},    [r8], r12
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        vzip.32         d3,  d7
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        beq             7f
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        vld1.32         {q8},     [r4,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vst1.16         {d2},     [r8], r12
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        vld1.32         {q9},     [r5,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vst1.16         {d6},     [r8], r12
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        vld1.32         {q10},    [r6,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vst1.16         {d3},     [r8], r12
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        vld1.32         {q11},    [r7,:128]!
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        vcvt.s32.f32    q11, q11, #31
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        vst1.16         {d7},     [r8], r12
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        b               6b
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7:      vst1.16         {d2},     [r8], r12
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        vst1.16         {d6},     [r8], r12
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        vst1.16         {d3},     [r8], r12
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        vst1.16         {d7},     [r8], r12
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        subs            r3,  r3,  #4
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        it              eq
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        popeq           {r4-r8, pc}
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        cmp             r3,  #4
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        add             r0,  r0,  #8
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        bge             5b
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        @ 2 channels
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4:      cmp             r3,  #2
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        blt             4f
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        ldm             r1!, {r4-r5}
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        mov             lr,  r2
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        mov             r8,  r0
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        tst             lr,  #8
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        vld1.32         {q8},     [r4,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vld1.32         {q9},     [r5,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vld1.32         {q10},    [r4,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vld1.32         {q11},    [r5,:128]!
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        vcvt.s32.f32    q11, q11, #31
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        beq             6f
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        subs            lr,  lr,  #8
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        beq             7f
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        vsri.32         d18, d16, #16
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        vsri.32         d19, d17, #16
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        vld1.32         {q8},     [r4,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vst1.32         {d18[0]}, [r8], r12
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        vsri.32         d22, d20, #16
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        vst1.32         {d18[1]}, [r8], r12
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        vsri.32         d23, d21, #16
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        vst1.32         {d19[0]}, [r8], r12
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        vst1.32         {d19[1]}, [r8], r12
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        vld1.32         {q9},     [r5,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vst1.32         {d22[0]}, [r8], r12
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        vst1.32         {d22[1]}, [r8], r12
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        vld1.32         {q10},    [r4,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vst1.32         {d23[0]}, [r8], r12
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        vst1.32         {d23[1]}, [r8], r12
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        vld1.32         {q11},    [r5,:128]!
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        vcvt.s32.f32    q11, q11, #31
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6:      subs            lr,  lr,  #16
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        vld1.32         {q0},     [r4,:128]!
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        vcvt.s32.f32    q0,  q0,  #31
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        vsri.32         d18, d16, #16
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        vld1.32         {q1},     [r5,:128]!
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        vcvt.s32.f32    q1,  q1,  #31
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        vsri.32         d19, d17, #16
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        vld1.32         {q2},     [r4,:128]!
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        vcvt.s32.f32    q2,  q2,  #31
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        vld1.32         {q3},     [r5,:128]!
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        vcvt.s32.f32    q3,  q3,  #31
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        vst1.32         {d18[0]}, [r8], r12
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        vsri.32         d22, d20, #16
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        vst1.32         {d18[1]}, [r8], r12
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        vsri.32         d23, d21, #16
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        vst1.32         {d19[0]}, [r8], r12
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        vsri.32         d2,  d0,  #16
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        vst1.32         {d19[1]}, [r8], r12
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        vsri.32         d3,  d1,  #16
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        vst1.32         {d22[0]}, [r8], r12
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        vsri.32         d6,  d4,  #16
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        vst1.32         {d22[1]}, [r8], r12
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        vsri.32         d7,  d5,  #16
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        vst1.32         {d23[0]}, [r8], r12
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        vst1.32         {d23[1]}, [r8], r12
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        beq             6f
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        vld1.32         {q8},     [r4,:128]!
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        vcvt.s32.f32    q8,  q8,  #31
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        vst1.32         {d2[0]},  [r8], r12
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        vst1.32         {d2[1]},  [r8], r12
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        vld1.32         {q9},     [r5,:128]!
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        vcvt.s32.f32    q9,  q9,  #31
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        vst1.32         {d3[0]},  [r8], r12
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        vst1.32         {d3[1]},  [r8], r12
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        vld1.32         {q10},    [r4,:128]!
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        vcvt.s32.f32    q10, q10, #31
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        vst1.32         {d6[0]},  [r8], r12
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        vst1.32         {d6[1]},  [r8], r12
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        vld1.32         {q11},    [r5,:128]!
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        vcvt.s32.f32    q11, q11, #31
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        vst1.32         {d7[0]},  [r8], r12
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        vst1.32         {d7[1]},  [r8], r12
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        bgt             6b
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6:      vst1.32         {d2[0]},  [r8], r12
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        vst1.32         {d2[1]},  [r8], r12
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        vst1.32         {d3[0]},  [r8], r12
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        vst1.32         {d3[1]},  [r8], r12
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        vst1.32         {d6[0]},  [r8], r12
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        vst1.32         {d6[1]},  [r8], r12
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        vst1.32         {d7[0]},  [r8], r12
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        vst1.32         {d7[1]},  [r8], r12
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        b               8f
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7:      vsri.32         d18, d16, #16
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        vsri.32         d19, d17, #16
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        vst1.32         {d18[0]}, [r8], r12
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        vsri.32         d22, d20, #16
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        vst1.32         {d18[1]}, [r8], r12
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        vsri.32         d23, d21, #16
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        vst1.32         {d19[0]}, [r8], r12
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        vst1.32         {d19[1]}, [r8], r12
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        vst1.32         {d22[0]}, [r8], r12
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        vst1.32         {d22[1]}, [r8], r12
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        vst1.32         {d23[0]}, [r8], r12
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        vst1.32         {d23[1]}, [r8], r12
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8:      subs            r3,  r3,  #2
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        add             r0,  r0,  #4
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        it              eq
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        popeq           {r4-r8, pc}
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        @ 1 channel
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4:      ldr             r4,  [r1]
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        tst             r2,  #8
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        mov             lr,  r2
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        mov             r5,  r0
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						|
        vld1.32         {q0},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q0,  q0,  #31
 | 
						|
        vld1.32         {q1},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q1,  q1,  #31
 | 
						|
        bne             8f
 | 
						|
6:      subs            lr,  lr,  #16
 | 
						|
        vld1.32         {q2},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q2,  q2,  #31
 | 
						|
        vld1.32         {q3},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q3,  q3,  #31
 | 
						|
        vst1.16         {d0[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d0[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d1[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d1[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d2[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d2[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d3[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d3[3]},  [r5,:16], r12
 | 
						|
        beq             7f
 | 
						|
        vld1.32         {q0},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q0,  q0,  #31
 | 
						|
        vld1.32         {q1},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q1,  q1,  #31
 | 
						|
7:      vst1.16         {d4[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d4[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d5[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d5[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d6[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d6[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d7[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d7[3]},  [r5,:16], r12
 | 
						|
        bgt             6b
 | 
						|
        pop             {r4-r8, pc}
 | 
						|
8:      subs            lr,  lr,  #8
 | 
						|
        vst1.16         {d0[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d0[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d1[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d1[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d2[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d2[3]},  [r5,:16], r12
 | 
						|
        vst1.16         {d3[1]},  [r5,:16], r12
 | 
						|
        vst1.16         {d3[3]},  [r5,:16], r12
 | 
						|
        it              eq
 | 
						|
        popeq           {r4-r8, pc}
 | 
						|
        vld1.32         {q0},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q0,  q0,  #31
 | 
						|
        vld1.32         {q1},     [r4,:128]!
 | 
						|
        vcvt.s32.f32    q1,  q1,  #31
 | 
						|
        b               6b
 | 
						|
endfunc
 |