forked from KolibriOS/kolibrios
494 lines
16 KiB
ArmAsm
494 lines
16 KiB
ArmAsm
|
/*
|
||
|
|
* Copyright (c) 2013 RISC OS Open Ltd
|
||
|
|
* Author: Ben Avison <bavison@riscosopen.org>
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with FFmpeg; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "libavutil/arm/asm.S"
|
||
|
|
|
||
|
|
POUT .req a1
|
||
|
|
PIN .req a2
|
||
|
|
PCOEF .req a3
|
||
|
|
DECIFACTOR .req a4
|
||
|
|
OLDFPSCR .req a4
|
||
|
|
COUNTER .req ip
|
||
|
|
|
||
|
|
SCALE32 .req s28 @ use vector of 4 in place of 9th scalar when decifactor=32 / JMAX=8
|
||
|
|
SCALE64 .req s0 @ spare register in scalar bank when decifactor=64 / JMAX=4
|
||
|
|
IN0 .req s4
|
||
|
|
IN1 .req s5
|
||
|
|
IN2 .req s6
|
||
|
|
IN3 .req s7
|
||
|
|
IN4 .req s0
|
||
|
|
IN5 .req s1
|
||
|
|
IN6 .req s2
|
||
|
|
IN7 .req s3
|
||
|
|
COEF0 .req s8 @ coefficient elements
|
||
|
|
COEF1 .req s9
|
||
|
|
COEF2 .req s10
|
||
|
|
COEF3 .req s11
|
||
|
|
COEF4 .req s12
|
||
|
|
COEF5 .req s13
|
||
|
|
COEF6 .req s14
|
||
|
|
COEF7 .req s15
|
||
|
|
ACCUM0 .req s16 @ double-buffered multiply-accumulate results
|
||
|
|
ACCUM4 .req s20
|
||
|
|
POST0 .req s24 @ do long-latency post-multiply in this vector in parallel
|
||
|
|
POST1 .req s25
|
||
|
|
POST2 .req s26
|
||
|
|
POST3 .req s27
|
||
|
|
|
||
|
|
|
||
|
|
.macro inner_loop decifactor, dir, tail, head
|
||
|
|
.ifc "\dir","up"
|
||
|
|
.set X, 0
|
||
|
|
.set Y, 4
|
||
|
|
.else
|
||
|
|
.set X, 4*JMAX*4 - 4
|
||
|
|
.set Y, -4
|
||
|
|
.endif
|
||
|
|
.ifnc "\head",""
|
||
|
|
vldr COEF0, [PCOEF, #X + (0*JMAX + 0) * Y]
|
||
|
|
vldr COEF1, [PCOEF, #X + (1*JMAX + 0) * Y]
|
||
|
|
vldr COEF2, [PCOEF, #X + (2*JMAX + 0) * Y]
|
||
|
|
vldr COEF3, [PCOEF, #X + (3*JMAX + 0) * Y]
|
||
|
|
.endif
|
||
|
|
.ifnc "\tail",""
|
||
|
|
vadd.f POST0, ACCUM0, ACCUM4 @ vector operation
|
||
|
|
.endif
|
||
|
|
.ifnc "\head",""
|
||
|
|
vmul.f ACCUM0, COEF0, IN0 @ vector = vector * scalar
|
||
|
|
vldr COEF4, [PCOEF, #X + (0*JMAX + 1) * Y]
|
||
|
|
vldr COEF5, [PCOEF, #X + (1*JMAX + 1) * Y]
|
||
|
|
vldr COEF6, [PCOEF, #X + (2*JMAX + 1) * Y]
|
||
|
|
.endif
|
||
|
|
.ifnc "\tail",""
|
||
|
|
vmul.f POST0, POST0, SCALE\decifactor @ vector operation (SCALE may be scalar)
|
||
|
|
.endif
|
||
|
|
.ifnc "\head",""
|
||
|
|
vldr COEF7, [PCOEF, #X + (3*JMAX + 1) * Y]
|
||
|
|
.ifc "\tail",""
|
||
|
|
vmul.f ACCUM4, COEF4, IN1 @ vector operation
|
||
|
|
.endif
|
||
|
|
vldr COEF0, [PCOEF, #X + (0*JMAX + 2) * Y]
|
||
|
|
vldr COEF1, [PCOEF, #X + (1*JMAX + 2) * Y]
|
||
|
|
.ifnc "\tail",""
|
||
|
|
vmul.f ACCUM4, COEF4, IN1 @ vector operation
|
||
|
|
.endif
|
||
|
|
vldr COEF2, [PCOEF, #X + (2*JMAX + 2) * Y]
|
||
|
|
vldr COEF3, [PCOEF, #X + (3*JMAX + 2) * Y]
|
||
|
|
.endif
|
||
|
|
.ifnc "\tail",""
|
||
|
|
vstmia POUT!, {POST0-POST3}
|
||
|
|
.endif
|
||
|
|
.ifnc "\head",""
|
||
|
|
vmla.f ACCUM0, COEF0, IN2 @ vector = vector * scalar
|
||
|
|
vldr COEF4, [PCOEF, #X + (0*JMAX + 3) * Y]
|
||
|
|
vldr COEF5, [PCOEF, #X + (1*JMAX + 3) * Y]
|
||
|
|
vldr COEF6, [PCOEF, #X + (2*JMAX + 3) * Y]
|
||
|
|
vldr COEF7, [PCOEF, #X + (3*JMAX + 3) * Y]
|
||
|
|
vmla.f ACCUM4, COEF4, IN3 @ vector = vector * scalar
|
||
|
|
.if \decifactor == 32
|
||
|
|
vldr COEF0, [PCOEF, #X + (0*JMAX + 4) * Y]
|
||
|
|
vldr COEF1, [PCOEF, #X + (1*JMAX + 4) * Y]
|
||
|
|
vldr COEF2, [PCOEF, #X + (2*JMAX + 4) * Y]
|
||
|
|
vldr COEF3, [PCOEF, #X + (3*JMAX + 4) * Y]
|
||
|
|
vmla.f ACCUM0, COEF0, IN4 @ vector = vector * scalar
|
||
|
|
vldr COEF4, [PCOEF, #X + (0*JMAX + 5) * Y]
|
||
|
|
vldr COEF5, [PCOEF, #X + (1*JMAX + 5) * Y]
|
||
|
|
vldr COEF6, [PCOEF, #X + (2*JMAX + 5) * Y]
|
||
|
|
vldr COEF7, [PCOEF, #X + (3*JMAX + 5) * Y]
|
||
|
|
vmla.f ACCUM4, COEF4, IN5 @ vector = vector * scalar
|
||
|
|
vldr COEF0, [PCOEF, #X + (0*JMAX + 6) * Y]
|
||
|
|
vldr COEF1, [PCOEF, #X + (1*JMAX + 6) * Y]
|
||
|
|
vldr COEF2, [PCOEF, #X + (2*JMAX + 6) * Y]
|
||
|
|
vldr COEF3, [PCOEF, #X + (3*JMAX + 6) * Y]
|
||
|
|
vmla.f ACCUM0, COEF0, IN6 @ vector = vector * scalar
|
||
|
|
vldr COEF4, [PCOEF, #X + (0*JMAX + 7) * Y]
|
||
|
|
vldr COEF5, [PCOEF, #X + (1*JMAX + 7) * Y]
|
||
|
|
vldr COEF6, [PCOEF, #X + (2*JMAX + 7) * Y]
|
||
|
|
vldr COEF7, [PCOEF, #X + (3*JMAX + 7) * Y]
|
||
|
|
vmla.f ACCUM4, COEF4, IN7 @ vector = vector * scalar
|
||
|
|
.endif
|
||
|
|
.endif
|
||
|
|
.endm
|
||
|
|
|
||
|
|
.macro dca_lfe_fir decifactor
|
||
|
|
.if \decifactor == 32
|
||
|
|
.set JMAX, 8
|
||
|
|
vpush {s16-s31}
|
||
|
|
vmov SCALE32, s0 @ duplicate scalar across vector
|
||
|
|
vldr IN4, [PIN, #-4*4]
|
||
|
|
vldr IN5, [PIN, #-5*4]
|
||
|
|
vldr IN6, [PIN, #-6*4]
|
||
|
|
vldr IN7, [PIN, #-7*4]
|
||
|
|
.else
|
||
|
|
.set JMAX, 4
|
||
|
|
vpush {s16-s27}
|
||
|
|
.endif
|
||
|
|
|
||
|
|
mov COUNTER, #\decifactor/4 - 1
|
||
|
|
inner_loop \decifactor, up,, head
|
||
|
|
1: add PCOEF, PCOEF, #4*JMAX*4
|
||
|
|
subs COUNTER, COUNTER, #1
|
||
|
|
inner_loop \decifactor, up, tail, head
|
||
|
|
bne 1b
|
||
|
|
inner_loop \decifactor, up, tail
|
||
|
|
|
||
|
|
mov COUNTER, #\decifactor/4 - 1
|
||
|
|
inner_loop \decifactor, down,, head
|
||
|
|
1: sub PCOEF, PCOEF, #4*JMAX*4
|
||
|
|
subs COUNTER, COUNTER, #1
|
||
|
|
inner_loop \decifactor, down, tail, head
|
||
|
|
bne 1b
|
||
|
|
inner_loop \decifactor, down, tail
|
||
|
|
|
||
|
|
.if \decifactor == 32
|
||
|
|
vpop {s16-s31}
|
||
|
|
.else
|
||
|
|
vpop {s16-s27}
|
||
|
|
.endif
|
||
|
|
fmxr FPSCR, OLDFPSCR
|
||
|
|
bx lr
|
||
|
|
.endm
|
||
|
|
|
||
|
|
|
||
|
|
/* void ff_dca_lfe_fir_vfp(float *out, const float *in, const float *coefs,
|
||
|
|
* int decifactor, float scale)
|
||
|
|
*/
|
||
|
|
function ff_dca_lfe_fir_vfp, export=1
|
||
|
|
teq DECIFACTOR, #32
|
||
|
|
fmrx OLDFPSCR, FPSCR
|
||
|
|
ldr ip, =0x03030000 @ RunFast mode, short vectors of length 4, stride 1
|
||
|
|
fmxr FPSCR, ip
|
||
|
|
NOVFP vldr s0, [sp]
|
||
|
|
vldr IN0, [PIN, #-0*4]
|
||
|
|
vldr IN1, [PIN, #-1*4]
|
||
|
|
vldr IN2, [PIN, #-2*4]
|
||
|
|
vldr IN3, [PIN, #-3*4]
|
||
|
|
beq 32f
|
||
|
|
64: dca_lfe_fir 64
|
||
|
|
.ltorg
|
||
|
|
32: dca_lfe_fir 32
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
.unreq POUT
|
||
|
|
.unreq PIN
|
||
|
|
.unreq PCOEF
|
||
|
|
.unreq DECIFACTOR
|
||
|
|
.unreq OLDFPSCR
|
||
|
|
.unreq COUNTER
|
||
|
|
|
||
|
|
.unreq SCALE32
|
||
|
|
.unreq SCALE64
|
||
|
|
.unreq IN0
|
||
|
|
.unreq IN1
|
||
|
|
.unreq IN2
|
||
|
|
.unreq IN3
|
||
|
|
.unreq IN4
|
||
|
|
.unreq IN5
|
||
|
|
.unreq IN6
|
||
|
|
.unreq IN7
|
||
|
|
.unreq COEF0
|
||
|
|
.unreq COEF1
|
||
|
|
.unreq COEF2
|
||
|
|
.unreq COEF3
|
||
|
|
.unreq COEF4
|
||
|
|
.unreq COEF5
|
||
|
|
.unreq COEF6
|
||
|
|
.unreq COEF7
|
||
|
|
.unreq ACCUM0
|
||
|
|
.unreq ACCUM4
|
||
|
|
.unreq POST0
|
||
|
|
.unreq POST1
|
||
|
|
.unreq POST2
|
||
|
|
.unreq POST3
|
||
|
|
|
||
|
|
|
||
|
|
IN .req a1
|
||
|
|
SBACT .req a2
|
||
|
|
OLDFPSCR .req a3
|
||
|
|
IMDCT .req a4
|
||
|
|
WINDOW .req v1
|
||
|
|
OUT .req v2
|
||
|
|
BUF .req v3
|
||
|
|
SCALEINT .req v4 @ only used in softfp case
|
||
|
|
COUNT .req v5
|
||
|
|
|
||
|
|
SCALE .req s0
|
||
|
|
|
||
|
|
/* Stack layout differs in softfp and hardfp cases:
|
||
|
|
*
|
||
|
|
* hardfp
|
||
|
|
* fp -> 6 arg words saved by caller
|
||
|
|
* a3,a4,v1-v3,v5,fp,lr on entry (a3 just to pad to 8 bytes)
|
||
|
|
* s16-s23 on entry
|
||
|
|
* align 16
|
||
|
|
* buf -> 8*32*4 bytes buffer
|
||
|
|
* s0 on entry
|
||
|
|
* sp -> 3 arg words for callee
|
||
|
|
*
|
||
|
|
* softfp
|
||
|
|
* fp -> 7 arg words saved by caller
|
||
|
|
* a4,v1-v5,fp,lr on entry
|
||
|
|
* s16-s23 on entry
|
||
|
|
* align 16
|
||
|
|
* buf -> 8*32*4 bytes buffer
|
||
|
|
* sp -> 4 arg words for callee
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* void ff_dca_qmf_32_subbands_vfp(float samples_in[32][8], int sb_act,
|
||
|
|
* SynthFilterContext *synth, FFTContext *imdct,
|
||
|
|
* float (*synth_buf_ptr)[512],
|
||
|
|
* int *synth_buf_offset, float (*synth_buf2)[32],
|
||
|
|
* const float (*window)[512], float *samples_out,
|
||
|
|
* float (*raXin)[32], float scale);
|
||
|
|
*/
|
||
|
|
function ff_dca_qmf_32_subbands_vfp, export=1
|
||
|
|
VFP push {a3-a4,v1-v3,v5,fp,lr}
|
||
|
|
NOVFP push {a4,v1-v5,fp,lr}
|
||
|
|
add fp, sp, #8*4
|
||
|
|
vpush {s16-s23}
|
||
|
|
@ The buffer pointed at by raXin isn't big enough for us to do a
|
||
|
|
@ complete matrix transposition as we want to, so allocate an
|
||
|
|
@ alternative buffer from the stack. Align to 4 words for speed.
|
||
|
|
sub BUF, sp, #8*32*4
|
||
|
|
bic BUF, BUF, #15
|
||
|
|
mov sp, BUF
|
||
|
|
ldr lr, =0x03330000 @ RunFast mode, short vectors of length 4, stride 2
|
||
|
|
fmrx OLDFPSCR, FPSCR
|
||
|
|
fmxr FPSCR, lr
|
||
|
|
@ COUNT is used to count down 2 things at once:
|
||
|
|
@ bits 0-4 are the number of word pairs remaining in the output row
|
||
|
|
@ bits 5-31 are the number of words to copy (with possible negation)
|
||
|
|
@ from the source matrix before we start zeroing the remainder
|
||
|
|
mov COUNT, #(-4 << 5) + 16
|
||
|
|
adds COUNT, COUNT, SBACT, lsl #5
|
||
|
|
bmi 2f
|
||
|
|
1:
|
||
|
|
vldr s8, [IN, #(0*8+0)*4]
|
||
|
|
vldr s10, [IN, #(0*8+1)*4]
|
||
|
|
vldr s12, [IN, #(0*8+2)*4]
|
||
|
|
vldr s14, [IN, #(0*8+3)*4]
|
||
|
|
vldr s16, [IN, #(0*8+4)*4]
|
||
|
|
vldr s18, [IN, #(0*8+5)*4]
|
||
|
|
vldr s20, [IN, #(0*8+6)*4]
|
||
|
|
vldr s22, [IN, #(0*8+7)*4]
|
||
|
|
vneg.f s8, s8
|
||
|
|
vldr s9, [IN, #(1*8+0)*4]
|
||
|
|
vldr s11, [IN, #(1*8+1)*4]
|
||
|
|
vldr s13, [IN, #(1*8+2)*4]
|
||
|
|
vldr s15, [IN, #(1*8+3)*4]
|
||
|
|
vneg.f s16, s16
|
||
|
|
vldr s17, [IN, #(1*8+4)*4]
|
||
|
|
vldr s19, [IN, #(1*8+5)*4]
|
||
|
|
vldr s21, [IN, #(1*8+6)*4]
|
||
|
|
vldr s23, [IN, #(1*8+7)*4]
|
||
|
|
vstr d4, [BUF, #(0*32+0)*4]
|
||
|
|
vstr d5, [BUF, #(1*32+0)*4]
|
||
|
|
vstr d6, [BUF, #(2*32+0)*4]
|
||
|
|
vstr d7, [BUF, #(3*32+0)*4]
|
||
|
|
vstr d8, [BUF, #(4*32+0)*4]
|
||
|
|
vstr d9, [BUF, #(5*32+0)*4]
|
||
|
|
vstr d10, [BUF, #(6*32+0)*4]
|
||
|
|
vstr d11, [BUF, #(7*32+0)*4]
|
||
|
|
vldr s9, [IN, #(3*8+0)*4]
|
||
|
|
vldr s11, [IN, #(3*8+1)*4]
|
||
|
|
vldr s13, [IN, #(3*8+2)*4]
|
||
|
|
vldr s15, [IN, #(3*8+3)*4]
|
||
|
|
vldr s17, [IN, #(3*8+4)*4]
|
||
|
|
vldr s19, [IN, #(3*8+5)*4]
|
||
|
|
vldr s21, [IN, #(3*8+6)*4]
|
||
|
|
vldr s23, [IN, #(3*8+7)*4]
|
||
|
|
vneg.f s9, s9
|
||
|
|
vldr s8, [IN, #(2*8+0)*4]
|
||
|
|
vldr s10, [IN, #(2*8+1)*4]
|
||
|
|
vldr s12, [IN, #(2*8+2)*4]
|
||
|
|
vldr s14, [IN, #(2*8+3)*4]
|
||
|
|
vneg.f s17, s17
|
||
|
|
vldr s16, [IN, #(2*8+4)*4]
|
||
|
|
vldr s18, [IN, #(2*8+5)*4]
|
||
|
|
vldr s20, [IN, #(2*8+6)*4]
|
||
|
|
vldr s22, [IN, #(2*8+7)*4]
|
||
|
|
vstr d4, [BUF, #(0*32+2)*4]
|
||
|
|
vstr d5, [BUF, #(1*32+2)*4]
|
||
|
|
vstr d6, [BUF, #(2*32+2)*4]
|
||
|
|
vstr d7, [BUF, #(3*32+2)*4]
|
||
|
|
vstr d8, [BUF, #(4*32+2)*4]
|
||
|
|
vstr d9, [BUF, #(5*32+2)*4]
|
||
|
|
vstr d10, [BUF, #(6*32+2)*4]
|
||
|
|
vstr d11, [BUF, #(7*32+2)*4]
|
||
|
|
add IN, IN, #4*8*4
|
||
|
|
add BUF, BUF, #4*4
|
||
|
|
subs COUNT, COUNT, #(4 << 5) + 2
|
||
|
|
bpl 1b
|
||
|
|
2: @ Now deal with trailing < 4 samples
|
||
|
|
adds COUNT, COUNT, #3 << 5
|
||
|
|
bmi 4f @ sb_act was a multiple of 4
|
||
|
|
bics lr, COUNT, #0x1F
|
||
|
|
bne 3f
|
||
|
|
@ sb_act was n*4+1
|
||
|
|
vldr s8, [IN, #(0*8+0)*4]
|
||
|
|
vldr s10, [IN, #(0*8+1)*4]
|
||
|
|
vldr s12, [IN, #(0*8+2)*4]
|
||
|
|
vldr s14, [IN, #(0*8+3)*4]
|
||
|
|
vldr s16, [IN, #(0*8+4)*4]
|
||
|
|
vldr s18, [IN, #(0*8+5)*4]
|
||
|
|
vldr s20, [IN, #(0*8+6)*4]
|
||
|
|
vldr s22, [IN, #(0*8+7)*4]
|
||
|
|
vneg.f s8, s8
|
||
|
|
vldr s9, zero
|
||
|
|
vldr s11, zero
|
||
|
|
vldr s13, zero
|
||
|
|
vldr s15, zero
|
||
|
|
vneg.f s16, s16
|
||
|
|
vldr s17, zero
|
||
|
|
vldr s19, zero
|
||
|
|
vldr s21, zero
|
||
|
|
vldr s23, zero
|
||
|
|
vstr d4, [BUF, #(0*32+0)*4]
|
||
|
|
vstr d5, [BUF, #(1*32+0)*4]
|
||
|
|
vstr d6, [BUF, #(2*32+0)*4]
|
||
|
|
vstr d7, [BUF, #(3*32+0)*4]
|
||
|
|
vstr d8, [BUF, #(4*32+0)*4]
|
||
|
|
vstr d9, [BUF, #(5*32+0)*4]
|
||
|
|
vstr d10, [BUF, #(6*32+0)*4]
|
||
|
|
vstr d11, [BUF, #(7*32+0)*4]
|
||
|
|
add BUF, BUF, #2*4
|
||
|
|
sub COUNT, COUNT, #1
|
||
|
|
b 4f
|
||
|
|
3: @ sb_act was n*4+2 or n*4+3, so do the first 2
|
||
|
|
vldr s8, [IN, #(0*8+0)*4]
|
||
|
|
vldr s10, [IN, #(0*8+1)*4]
|
||
|
|
vldr s12, [IN, #(0*8+2)*4]
|
||
|
|
vldr s14, [IN, #(0*8+3)*4]
|
||
|
|
vldr s16, [IN, #(0*8+4)*4]
|
||
|
|
vldr s18, [IN, #(0*8+5)*4]
|
||
|
|
vldr s20, [IN, #(0*8+6)*4]
|
||
|
|
vldr s22, [IN, #(0*8+7)*4]
|
||
|
|
vneg.f s8, s8
|
||
|
|
vldr s9, [IN, #(1*8+0)*4]
|
||
|
|
vldr s11, [IN, #(1*8+1)*4]
|
||
|
|
vldr s13, [IN, #(1*8+2)*4]
|
||
|
|
vldr s15, [IN, #(1*8+3)*4]
|
||
|
|
vneg.f s16, s16
|
||
|
|
vldr s17, [IN, #(1*8+4)*4]
|
||
|
|
vldr s19, [IN, #(1*8+5)*4]
|
||
|
|
vldr s21, [IN, #(1*8+6)*4]
|
||
|
|
vldr s23, [IN, #(1*8+7)*4]
|
||
|
|
vstr d4, [BUF, #(0*32+0)*4]
|
||
|
|
vstr d5, [BUF, #(1*32+0)*4]
|
||
|
|
vstr d6, [BUF, #(2*32+0)*4]
|
||
|
|
vstr d7, [BUF, #(3*32+0)*4]
|
||
|
|
vstr d8, [BUF, #(4*32+0)*4]
|
||
|
|
vstr d9, [BUF, #(5*32+0)*4]
|
||
|
|
vstr d10, [BUF, #(6*32+0)*4]
|
||
|
|
vstr d11, [BUF, #(7*32+0)*4]
|
||
|
|
add BUF, BUF, #2*4
|
||
|
|
sub COUNT, COUNT, #(2 << 5) + 1
|
||
|
|
bics lr, COUNT, #0x1F
|
||
|
|
bne 4f
|
||
|
|
@ sb_act was n*4+3
|
||
|
|
vldr s8, [IN, #(2*8+0)*4]
|
||
|
|
vldr s10, [IN, #(2*8+1)*4]
|
||
|
|
vldr s12, [IN, #(2*8+2)*4]
|
||
|
|
vldr s14, [IN, #(2*8+3)*4]
|
||
|
|
vldr s16, [IN, #(2*8+4)*4]
|
||
|
|
vldr s18, [IN, #(2*8+5)*4]
|
||
|
|
vldr s20, [IN, #(2*8+6)*4]
|
||
|
|
vldr s22, [IN, #(2*8+7)*4]
|
||
|
|
vldr s9, zero
|
||
|
|
vldr s11, zero
|
||
|
|
vldr s13, zero
|
||
|
|
vldr s15, zero
|
||
|
|
vldr s17, zero
|
||
|
|
vldr s19, zero
|
||
|
|
vldr s21, zero
|
||
|
|
vldr s23, zero
|
||
|
|
vstr d4, [BUF, #(0*32+0)*4]
|
||
|
|
vstr d5, [BUF, #(1*32+0)*4]
|
||
|
|
vstr d6, [BUF, #(2*32+0)*4]
|
||
|
|
vstr d7, [BUF, #(3*32+0)*4]
|
||
|
|
vstr d8, [BUF, #(4*32+0)*4]
|
||
|
|
vstr d9, [BUF, #(5*32+0)*4]
|
||
|
|
vstr d10, [BUF, #(6*32+0)*4]
|
||
|
|
vstr d11, [BUF, #(7*32+0)*4]
|
||
|
|
add BUF, BUF, #2*4
|
||
|
|
sub COUNT, COUNT, #1
|
||
|
|
4: @ Now fill the remainder with 0
|
||
|
|
vldr s8, zero
|
||
|
|
vldr s9, zero
|
||
|
|
ands COUNT, COUNT, #0x1F
|
||
|
|
beq 6f
|
||
|
|
5: vstr d4, [BUF, #(0*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(1*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(2*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(3*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(4*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(5*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(6*32+0)*4]
|
||
|
|
vstr d4, [BUF, #(7*32+0)*4]
|
||
|
|
add BUF, BUF, #2*4
|
||
|
|
subs COUNT, COUNT, #1
|
||
|
|
bne 5b
|
||
|
|
6:
|
||
|
|
fmxr FPSCR, OLDFPSCR
|
||
|
|
ldr WINDOW, [fp, #3*4]
|
||
|
|
ldr OUT, [fp, #4*4]
|
||
|
|
sub BUF, BUF, #32*4
|
||
|
|
NOVFP ldr SCALEINT, [fp, #6*4]
|
||
|
|
mov COUNT, #8
|
||
|
|
VFP vpush {SCALE}
|
||
|
|
VFP sub sp, sp, #3*4
|
||
|
|
NOVFP sub sp, sp, #4*4
|
||
|
|
7:
|
||
|
|
VFP ldr a1, [fp, #-7*4] @ imdct
|
||
|
|
NOVFP ldr a1, [fp, #-8*4]
|
||
|
|
ldmia fp, {a2-a4}
|
||
|
|
VFP stmia sp, {WINDOW, OUT, BUF}
|
||
|
|
NOVFP stmia sp, {WINDOW, OUT, BUF, SCALEINT}
|
||
|
|
VFP vldr SCALE, [sp, #3*4]
|
||
|
|
bl X(ff_synth_filter_float_vfp)
|
||
|
|
add OUT, OUT, #32*4
|
||
|
|
add BUF, BUF, #32*4
|
||
|
|
subs COUNT, COUNT, #1
|
||
|
|
bne 7b
|
||
|
|
|
||
|
|
A sub sp, fp, #(8+8)*4
|
||
|
|
T sub fp, fp, #(8+8)*4
|
||
|
|
T mov sp, fp
|
||
|
|
vpop {s16-s23}
|
||
|
|
VFP pop {a3-a4,v1-v3,v5,fp,pc}
|
||
|
|
NOVFP pop {a4,v1-v5,fp,pc}
|
||
|
|
endfunc
|
||
|
|
|
||
|
|
.unreq IN
|
||
|
|
.unreq SBACT
|
||
|
|
.unreq OLDFPSCR
|
||
|
|
.unreq IMDCT
|
||
|
|
.unreq WINDOW
|
||
|
|
.unreq OUT
|
||
|
|
.unreq BUF
|
||
|
|
.unreq SCALEINT
|
||
|
|
.unreq COUNT
|
||
|
|
|
||
|
|
.unreq SCALE
|
||
|
|
|
||
|
|
.align 2
|
||
|
|
zero: .word 0
|