This creates proper position independent code when accessing data symbols if CONFIG_PIC is set. References to external symbols should now use the movrelx macro. Some additional code changes are required since this macro may need a register to hold the GOT pointer. Signed-off-by: Mans Rullgard <mans@mansr.com>
		
			
				
	
	
		
			412 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
			
		
		
	
	
			412 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
	
	
/*
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 * Copyright (c) 2012 Mans Rullgard
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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 "libavutil/arm/asm.S"
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function ff_sbr_sum64x5_neon, export=1
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        push            {lr}
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        add             r1,  r0,  # 64*4
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        add             r2,  r0,  #128*4
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        add             r3,  r0,  #192*4
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        add             lr,  r0,  #256*4
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        mov             r12, #64
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1:
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        vld1.32         {q0},     [r0,:128]
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        vld1.32         {q1},     [r1,:128]!
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        vadd.f32        q0,  q0,  q1
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        vld1.32         {q2},     [r2,:128]!
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        vadd.f32        q0,  q0,  q2
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        vld1.32         {q3},     [r3,:128]!
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        vadd.f32        q0,  q0,  q3
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        vld1.32         {q8},     [lr,:128]!
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        vadd.f32        q0,  q0,  q8
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        vst1.32         {q0},     [r0,:128]!
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        subs            r12, #4
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        bgt             1b
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        pop             {pc}
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endfunc
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function ff_sbr_sum_square_neon, export=1
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        vmov.f32        q0,  #0.0
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1:
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        vld1.32         {q1},     [r0,:128]!
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        vmla.f32        q0,  q1,  q1
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        subs            r1,  r1,  #2
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        bgt             1b
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        vadd.f32        d0,  d0,  d1
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        vpadd.f32       d0,  d0,  d0
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NOVFP   vmov.32         r0,  d0[0]
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        bx              lr
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endfunc
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function ff_sbr_neg_odd_64_neon, export=1
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        mov             r1,  r0
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        vmov.i32        q8,  #1<<31
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        vld2.32         {q0,q1},  [r0,:128]!
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        veor            q1,  q1,  q8
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        vld2.32         {q2,q3},  [r0,:128]!
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    .rept 3
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        vst2.32         {q0,q1},  [r1,:128]!
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        veor            q3,  q3,  q8
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        vld2.32         {q0,q1},  [r0,:128]!
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        vst2.32         {q2,q3},  [r1,:128]!
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        veor            q1,  q1,  q8
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        vld2.32         {q2,q3},  [r0,:128]!
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    .endr
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        veor            q3,  q3,  q8
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        vst2.32         {q0,q1},  [r1,:128]!
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        vst2.32         {q2,q3},  [r1,:128]!
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        bx              lr
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endfunc
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function ff_sbr_qmf_pre_shuffle_neon, export=1
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        add             r1,  r0,  #60*4
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        add             r2,  r0,  #64*4
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        vld1.32         {d0},     [r0,:64]!
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        vst1.32         {d0},     [r2,:64]!
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        mov             r3,  #-16
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        mov             r12, #24
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        vmov.i32        q8,  #1<<31
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        vld1.32         {q0},     [r1,:128], r3
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        vld1.32         {d2},     [r0,:64]!
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1:
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        vld1.32         {d3,d4},  [r0,:128]!
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        vrev64.32       q0,  q0
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        vld1.32         {q9},     [r1,:128], r3
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        veor            q0,  q0,  q8
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        vld1.32         {d5,d6},  [r0,:128]!
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        vswp            d0,  d1
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        vrev64.32       q9,  q9
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        vst2.32         {q0,q1},  [r2,:64]!
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        vmov            q10, q2
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        veor            q9,  q9,  q8
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        vmov            d2,  d6
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        vswp            d18, d19
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        vld1.32         {q0},     [r1,:128], r3
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        vst2.32         {q9,q10}, [r2,:64]!
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        subs            r12, r12, #8
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        bgt             1b
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        vld1.32         {d3,d4},  [r0,:128]!
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        vrev64.32       q0,  q0
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        vld1.32         {q9},     [r1,:128], r3
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        veor            q0,  q0,  q8
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        vld1.32         {d5},     [r0,:64]!
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        vswp            d0,  d1
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        vrev64.32       q9,  q9
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        vst2.32         {q0,q1},  [r2,:64]!
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        vswp            d4,  d5
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        veor            q1,  q9,  q8
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        vst2.32         {d3,d5},  [r2,:64]!
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        vst2.32         {d2[0],d4[0]}, [r2,:64]!
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        bx              lr
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endfunc
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function ff_sbr_qmf_post_shuffle_neon, export=1
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        add             r2,  r1,  #60*4
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        mov             r3,  #-16
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        mov             r12, #32
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        vmov.i32        q8,  #1<<31
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        vld1.32         {q0},     [r2,:128], r3
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        vld1.32         {q1},     [r1,:128]!
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1:
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        pld             [r2, #-32]
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        vrev64.32       q0,  q0
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        vswp            d2,  d3
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        veor            q0,  q0,  q8
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        vld1.32         {q2},     [r2,:128], r3
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        vld1.32         {q3},     [r1,:128]!
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        vst2.32         {d1,d3},  [r0,:128]!
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        vst2.32         {d0,d2},  [r0,:128]!
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        pld             [r2, #-32]
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        vrev64.32       q2,  q2
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        vswp            d6,  d7
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        veor            q2,  q2,  q8
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        vld1.32         {q0},     [r2,:128], r3
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        vld1.32         {q1},     [r1,:128]!
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        vst2.32         {d5,d7},  [r0,:128]!
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        vst2.32         {d4,d6},  [r0,:128]!
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        subs            r12, r12, #8
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        bgt             1b
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        bx              lr
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endfunc
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function ff_sbr_qmf_deint_neg_neon, export=1
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        add             r1,  r1,  #60*4
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        add             r2,  r0,  #62*4
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        mov             r3,  #-16
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        mov             r12, #32
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        vmov.i32        d2,  #1<<31
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1:
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        vld2.32         {d0,d1},  [r1,:128], r3
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        veor            d0,  d0,  d2
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        vrev64.32       d1,  d1
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        vst1.32         {d0},     [r2,:64]
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        vst1.32         {d1},     [r0,:64]!
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        sub             r2,  r2,  #8
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        subs            r12, r12, #2
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        bgt             1b
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        bx              lr
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endfunc
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function ff_sbr_qmf_deint_bfly_neon, export=1
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        push            {lr}
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        add             r2,  r2,  #60*4
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        add             r3,  r0,  #124*4
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        mov             r12, #64
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        mov             lr,  #-16
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1:
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        vld1.32         {q0},     [r1,:128]!
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        vld1.32         {q1},     [r2,:128], lr
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        vrev64.32       q2,  q0
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        vrev64.32       q3,  q1
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        vadd.f32        d3,  d4,  d3
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        vadd.f32        d2,  d5,  d2
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        vsub.f32        d0,  d0,  d7
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        vsub.f32        d1,  d1,  d6
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        vst1.32         {q1},     [r3,:128], lr
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        vst1.32         {q0},     [r0,:128]!
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        subs            r12, r12, #4
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        bgt             1b
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        pop             {pc}
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endfunc
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function ff_sbr_hf_g_filt_neon, export=1
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        ldr             r12, [sp]
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        add             r1,  r1,  r12, lsl #3
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        mov             r12, #40*2*4
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        sub             r3,  r3,  #1
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        vld2.32         {d2[],d3[]},[r2,:64]!
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        vld1.32         {d0},     [r1,:64], r12
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1:
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        vld1.32         {d1},     [r1,:64], r12
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        vmul.f32        q3,  q0,  q1
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        vld2.32         {d2[],d3[]},[r2,:64]!
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        vld1.32         {d0},     [r1,:64], r12
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        vst1.32         {q3},     [r0,:64]!
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        subs            r3,  r3,  #2
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        bgt             1b
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        it              lt
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        bxlt            lr
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        vmul.f32        d0,  d0,  d2
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        vst1.32         {d0},     [r0,:64]!
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        bx              lr
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endfunc
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function ff_sbr_hf_gen_neon, export=1
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NOVFP   vld1.32         {d1[]},   [sp,:32]
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VFP     vdup.32         d1,  d0[0]
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        vmul.f32        d0,  d1,  d1
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        vld1.32         {d3},     [r2,:64]
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        vld1.32         {d2},     [r3,:64]
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        vmul.f32        q0,  q0,  q1
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        ldrd            r2,  r3,  [sp, #4*!HAVE_VFP_ARGS]
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        vtrn.32         d0,  d1
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        vneg.f32        d18, d1
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        vtrn.32         d18, d1
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        add             r0,  r0,  r2,  lsl #3
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        add             r1,  r1,  r2,  lsl #3
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        sub             r1,  r1,  #2*8
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        sub             r3,  r3,  r2
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        vld1.32         {q1},     [r1,:128]!
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1:
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        vld1.32         {q3},     [r1,:128]!
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        vrev64.32       q2,  q1
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        vmov            q8,  q3
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        vrev64.32       d20, d3
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        vrev64.32       d21, d6
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        vmla.f32        q3,  q1,  d0[0]
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        vmla.f32        d6,  d4,  d18
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        vmla.f32        d7,  d20, d18
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        vmla.f32        d6,  d3,  d0[1]
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        vmla.f32        d7,  d16, d0[1]
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        vmla.f32        d6,  d5,  d1
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        vmla.f32        d7,  d21, d1
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        vmov            q1,  q8
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        vst1.32         {q3},     [r0,:128]!
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        subs            r3,  r3,  #2
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        bgt             1b
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        bx              lr
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endfunc
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function ff_sbr_autocorrelate_neon, export=1
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        vld1.32         {q0},     [r0,:128]!
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        vmov.f32        q1,  #0.0
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        vmov.f32        q3,  #0.0
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        vmov.f32        d20, #0.0
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        vmul.f32        d21, d1,  d1
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        vmov            q8,  q0
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        vmov            q11, q0
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        mov             r12, #36
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1:
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        vld1.32         {q2},     [r0,:128]!
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        vrev64.32       q12, q2
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        vmla.f32        q10, q2,  q2
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        vmla.f32        d2,  d1,  d4
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        vmla.f32        d3,  d1,  d24
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        vmla.f32        d6,  d0,  d4
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        vmla.f32        d7,  d0,  d24
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        vmla.f32        d2,  d4,  d5
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        vmla.f32        d3,  d4,  d25
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        vmla.f32        d6,  d1,  d5
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        vmla.f32        d7,  d1,  d25
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        vmov            q0,  q2
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        subs            r12, r12, #2
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        bgt             1b
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        vld1.32         {q2},     [r0,:128]!
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        vrev64.32       q12, q2
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        vmla.f32        d2,  d1,  d4
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        vmla.f32        d3,  d1,  d24
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        vmla.f32        d6,  d0,  d4
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        vmla.f32        d7,  d0,  d24
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        vadd.f32        d20, d20, d21
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        vrev64.32       d18, d17
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        vmla.f32        d6,  d1,  d5
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        vmla.f32        d7,  d1,  d25
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        vmov            q0,  q1
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        vmla.f32        d0,  d16, d17
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        vmla.f32        d1,  d16, d18
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        vmla.f32        d2,  d4,  d5
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        vmla.f32        d3,  d4,  d25
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        vneg.f32        s15, s15
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        vmov            d21, d20
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        vpadd.f32       d0,  d0,  d2
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        vpadd.f32       d7,  d6,  d7
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        vtrn.32         d1,  d3
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        vsub.f32        d6,  d1,  d3
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        vmla.f32        d20, d22, d22
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        vmla.f32        d21, d4,  d4
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        vtrn.32         d0,  d6
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        vpadd.f32       d20, d20, d21
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        vst1.32         {q3},     [r1,:128]!
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        vst1.32         {d20[1]}, [r1,:32]
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        add             r1,  r1,  #2*4
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        vst1.32         {d0},     [r1,:64]
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        add             r1,  r1,  #4*4
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        vst1.32         {d20[0]}, [r1,:32]
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        bx              lr
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endfunc
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function ff_sbr_hf_apply_noise_0_neon, export=1
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        vmov.i32        d3,  #0
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.Lhf_apply_noise_0:
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        push            {r4,lr}
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        movrelx         r4,  X(ff_sbr_noise_table)
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        ldr             r12, [sp, #12]
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        add             r3,  r3,  #1
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        bfc             r3,  #9,  #23
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        sub             r12, r12, #1
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1:
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        add             lr,  r4,  r3,  lsl #3
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        vld2.32         {q0},     [r0,:64]
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        vld2.32         {q3},     [lr,:64]
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        vld1.32         {d2},     [r1,:64]!
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        vld1.32         {d18},    [r2,:64]!
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        vceq.f32        d16, d2,  #0
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        veor            d2,  d2,  d3
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        vmov            q2,  q0
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        vmla.f32        d0,  d6,  d18
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        vmla.f32        d1,  d7,  d18
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        vadd.f32        d4,  d4,  d2
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        add             r3,  r3,  #2
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        bfc             r3,  #9,  #23
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        vbif            d0,  d4,  d16
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        vbif            d1,  d5,  d16
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        vst2.32         {q0},     [r0,:64]!
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        subs            r12, r12, #2
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        bgt             1b
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        blt             2f
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        add             lr,  r4,  r3,  lsl #3
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        vld1.32         {d0},     [r0,:64]
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        vld1.32         {d6},     [lr,:64]
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        vld1.32         {d2[]},   [r1,:32]!
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        vld1.32         {d3[]},   [r2,:32]!
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        vceq.f32        d4,  d2,  #0
 | 
						|
        veor            d2,  d2,  d3
 | 
						|
        vmov            d1,  d0
 | 
						|
        vmla.f32        d0,  d6,  d3
 | 
						|
        vadd.f32        s2,  s2,  s4
 | 
						|
        vbif            d0,  d1,  d4
 | 
						|
        vst1.32         {d0},     [r0,:64]!
 | 
						|
2:
 | 
						|
        pop             {r4,pc}
 | 
						|
endfunc
 | 
						|
 | 
						|
function ff_sbr_hf_apply_noise_1_neon, export=1
 | 
						|
        ldr             r12, [sp]
 | 
						|
        push            {r4,lr}
 | 
						|
        lsl             r12, r12, #31
 | 
						|
        eor             lr,  r12, #1<<31
 | 
						|
        vmov            d3,  r12, lr
 | 
						|
.Lhf_apply_noise_1:
 | 
						|
        movrelx         r4,  X(ff_sbr_noise_table)
 | 
						|
        ldr             r12, [sp, #12]
 | 
						|
        add             r3,  r3,  #1
 | 
						|
        bfc             r3,  #9,  #23
 | 
						|
        sub             r12, r12, #1
 | 
						|
1:
 | 
						|
        add             lr,  r4,  r3,  lsl #3
 | 
						|
        vld2.32         {q0},     [r0,:64]
 | 
						|
        vld2.32         {q3},     [lr,:64]
 | 
						|
        vld1.32         {d2},     [r1,:64]!
 | 
						|
        vld1.32         {d18},    [r2,:64]!
 | 
						|
        vceq.f32        d16, d2,  #0
 | 
						|
        veor            d2,  d2,  d3
 | 
						|
        vmov            q2,  q0
 | 
						|
        vmla.f32        d0,  d6,  d18
 | 
						|
        vmla.f32        d1,  d7,  d18
 | 
						|
        vadd.f32        d5,  d5,  d2
 | 
						|
        add             r3,  r3,  #2
 | 
						|
        bfc             r3,  #9,  #23
 | 
						|
        vbif            d0,  d4,  d16
 | 
						|
        vbif            d1,  d5,  d16
 | 
						|
        vst2.32         {q0},     [r0,:64]!
 | 
						|
        subs            r12, r12, #2
 | 
						|
        bgt             1b
 | 
						|
        blt             2f
 | 
						|
        add             lr,  r4,  r3,  lsl #3
 | 
						|
        vld1.32         {d0},     [r0,:64]
 | 
						|
        vld1.32         {d6},     [lr,:64]
 | 
						|
        vld1.32         {d2[]},   [r1,:32]!
 | 
						|
        vld1.32         {d18[]},  [r2,:32]!
 | 
						|
        vceq.f32        d4,  d2,  #0
 | 
						|
        veor            d2,  d2,  d3
 | 
						|
        vmov            d1,  d0
 | 
						|
        vmla.f32        d0,  d6,  d18
 | 
						|
        vadd.f32        s3,  s3,  s5
 | 
						|
        vbif            d0,  d1,  d4
 | 
						|
        vst1.32         {d0},     [r0,:64]!
 | 
						|
2:
 | 
						|
        pop             {r4,pc}
 | 
						|
endfunc
 | 
						|
 | 
						|
function ff_sbr_hf_apply_noise_2_neon, export=1
 | 
						|
        vmov.i32        d3,  #1<<31
 | 
						|
        b               .Lhf_apply_noise_0
 | 
						|
endfunc
 | 
						|
 | 
						|
function ff_sbr_hf_apply_noise_3_neon, export=1
 | 
						|
        ldr             r12, [sp]
 | 
						|
        push            {r4,lr}
 | 
						|
        lsl             r12, r12, #31
 | 
						|
        eor             lr,  r12, #1<<31
 | 
						|
        vmov            d3,  lr, r12
 | 
						|
        b               .Lhf_apply_noise_1
 | 
						|
endfunc
 |