mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-26 19:01:44 +02:00
9d5e81d3b1
This reverts commit 24bb7db403.
noise has to after all be sign extended, not zero extended, on tests
other than checkasm.
Fixes most aac tests broken by the now reverted commit.
549 lines
16 KiB
NASM
549 lines
16 KiB
NASM
;******************************************************************************
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;* AAC Spectral Band Replication decoding functions
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;* Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.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 "libavutil/x86/x86util.asm"
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SECTION_RODATA
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; mask equivalent for multiply by -1.0 1.0
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ps_mask times 2 dd 1<<31, 0
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ps_mask2 times 2 dd 0, 1<<31
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ps_mask3 dd 0, 0, 0, 1<<31
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ps_noise0 times 2 dd 1.0, 0.0,
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ps_noise2 times 2 dd -1.0, 0.0
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ps_noise13 dd 0.0, 1.0, 0.0, -1.0
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dd 0.0, -1.0, 0.0, 1.0
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dd 0.0, 1.0, 0.0, -1.0
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cextern sbr_noise_table
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cextern ps_neg
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SECTION .text
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INIT_XMM sse
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cglobal sbr_sum_square, 2, 3, 6
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mov r2d, r1d
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xorps m0, m0
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xorps m1, m1
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sar r2, 3
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jz .prepare
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.loop:
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movu m2, [r0 + 0]
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movu m3, [r0 + 16]
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movu m4, [r0 + 32]
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movu m5, [r0 + 48]
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mulps m2, m2
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mulps m3, m3
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mulps m4, m4
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mulps m5, m5
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addps m0, m2
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addps m1, m3
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addps m0, m4
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addps m1, m5
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add r0, 64
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dec r2
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jnz .loop
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.prepare:
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and r1, 7
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sar r1, 1
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jz .end
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; len is a multiple of 2, thus there are at least 4 elements to process
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.endloop:
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movu m2, [r0]
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add r0, 16
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mulps m2, m2
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dec r1
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addps m0, m2
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jnz .endloop
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.end:
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addps m0, m1
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movhlps m2, m0
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addps m0, m2
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movss m1, m0
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shufps m0, m0, 1
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addss m0, m1
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%if ARCH_X86_64 == 0
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movss r0m, m0
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fld dword r0m
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%endif
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RET
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%define STEP 40*4*2
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cglobal sbr_hf_g_filt, 5, 6, 5
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lea r1, [r1 + 8*r4] ; offset by ixh elements into X_high
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mov r5, r3
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and r3, 0xFC
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lea r2, [r2 + r3*4]
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lea r0, [r0 + r3*8]
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neg r3
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jz .loop1
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.loop4:
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movlps m0, [r2 + 4*r3 + 0]
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movlps m1, [r2 + 4*r3 + 8]
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movlps m2, [r1 + 0*STEP]
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movlps m3, [r1 + 2*STEP]
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movhps m2, [r1 + 1*STEP]
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movhps m3, [r1 + 3*STEP]
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unpcklps m0, m0
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unpcklps m1, m1
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mulps m0, m2
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mulps m1, m3
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movu [r0 + 8*r3 + 0], m0
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movu [r0 + 8*r3 + 16], m1
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add r1, 4*STEP
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add r3, 4
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jnz .loop4
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and r5, 3 ; number of single element loops
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jz .end
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.loop1: ; element 0 and 1 can be computed at the same time
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movss m0, [r2]
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movlps m2, [r1]
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unpcklps m0, m0
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mulps m2, m0
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movlps [r0], m2
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add r0, 8
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add r2, 4
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add r1, STEP
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dec r5
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jnz .loop1
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.end:
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RET
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; void ff_sbr_hf_gen_sse(float (*X_high)[2], const float (*X_low)[2],
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; const float alpha0[2], const float alpha1[2],
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; float bw, int start, int end)
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;
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cglobal sbr_hf_gen, 4,4,8, X_high, X_low, alpha0, alpha1, BW, S, E
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; load alpha factors
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%define bw m0
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%if ARCH_X86_64 == 0 || WIN64
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movss bw, BWm
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%endif
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movlps m2, [alpha1q]
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movlps m1, [alpha0q]
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shufps bw, bw, 0
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mulps m2, bw ; (a1[0] a1[1])*bw
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mulps m1, bw ; (a0[0] a0[1])*bw = (a2 a3)
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mulps m2, bw ; (a1[0] a1[1])*bw*bw = (a0 a1)
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mova m3, m1
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mova m4, m2
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; Set pointers
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%if ARCH_X86_64 == 0 || WIN64
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; start and end 6th and 7th args on stack
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mov r2d, Sm
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mov r3d, Em
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DEFINE_ARGS X_high, X_low, start, end
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%else
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; BW does not actually occupy a register, so shift by 1
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DEFINE_ARGS X_high, X_low, alpha0, alpha1, start, end
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movsxd startq, startd
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movsxd endq, endd
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%endif
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sub startq, endq ; neg num of loops
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lea X_highq, [X_highq + endq*2*4]
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lea X_lowq, [X_lowq + endq*2*4 - 2*2*4]
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shl startq, 3 ; offset from num loops
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mova m0, [X_lowq + startq]
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shufps m3, m3, q1111
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shufps m4, m4, q1111
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xorps m3, [ps_mask]
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shufps m1, m1, q0000
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shufps m2, m2, q0000
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xorps m4, [ps_mask]
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.loop2:
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movu m7, [X_lowq + startq + 8] ; BbCc
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mova m6, m0
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mova m5, m7
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shufps m0, m0, q2301 ; aAbB
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shufps m7, m7, q2301 ; bBcC
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mulps m0, m4
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mulps m7, m3
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mulps m6, m2
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mulps m5, m1
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addps m7, m0
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mova m0, [X_lowq + startq + 16] ; CcDd
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addps m7, m0
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addps m6, m5
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addps m7, m6
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mova [X_highq + startq], m7
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add startq, 16
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jnz .loop2
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RET
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cglobal sbr_sum64x5, 1,2,4,z
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lea r1q, [zq+ 256]
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.loop:
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mova m0, [zq+ 0]
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mova m2, [zq+ 16]
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mova m1, [zq+ 256]
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mova m3, [zq+ 272]
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addps m0, [zq+ 512]
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addps m2, [zq+ 528]
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addps m1, [zq+ 768]
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addps m3, [zq+ 784]
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addps m0, [zq+1024]
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addps m2, [zq+1040]
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addps m0, m1
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addps m2, m3
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mova [zq], m0
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mova [zq+16], m2
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add zq, 32
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cmp zq, r1q
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jne .loop
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REP_RET
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INIT_XMM sse
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cglobal sbr_qmf_post_shuffle, 2,3,4,W,z
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lea r2q, [zq + (64-4)*4]
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mova m3, [ps_neg]
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.loop:
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mova m1, [zq]
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xorps m0, m3, [r2q]
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shufps m0, m0, m0, q0123
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unpcklps m2, m0, m1
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unpckhps m0, m0, m1
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mova [Wq + 0], m2
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mova [Wq + 16], m0
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add Wq, 32
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sub r2q, 16
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add zq, 16
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cmp zq, r2q
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jl .loop
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REP_RET
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INIT_XMM sse
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cglobal sbr_neg_odd_64, 1,2,4,z
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lea r1q, [zq+256]
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.loop:
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mova m0, [zq+ 0]
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mova m1, [zq+16]
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mova m2, [zq+32]
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mova m3, [zq+48]
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xorps m0, [ps_mask2]
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xorps m1, [ps_mask2]
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xorps m2, [ps_mask2]
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xorps m3, [ps_mask2]
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mova [zq+ 0], m0
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mova [zq+16], m1
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mova [zq+32], m2
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mova [zq+48], m3
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add zq, 64
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cmp zq, r1q
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jne .loop
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REP_RET
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; void ff_sbr_qmf_deint_bfly_sse2(float *v, const float *src0, const float *src1)
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%macro SBR_QMF_DEINT_BFLY 0
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cglobal sbr_qmf_deint_bfly, 3,5,8, v,src0,src1,vrev,c
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mov cq, 64*4-2*mmsize
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lea vrevq, [vq + 64*4]
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.loop:
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mova m0, [src0q+cq]
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mova m1, [src1q]
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mova m4, [src0q+cq+mmsize]
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mova m5, [src1q+mmsize]
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%if cpuflag(sse2)
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pshufd m2, m0, q0123
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pshufd m3, m1, q0123
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pshufd m6, m4, q0123
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pshufd m7, m5, q0123
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%else
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shufps m2, m0, m0, q0123
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shufps m3, m1, m1, q0123
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shufps m6, m4, m4, q0123
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shufps m7, m5, m5, q0123
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%endif
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addps m5, m2
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subps m0, m7
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addps m1, m6
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subps m4, m3
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mova [vrevq], m1
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mova [vrevq+mmsize], m5
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mova [vq+cq], m0
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mova [vq+cq+mmsize], m4
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add src1q, 2*mmsize
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add vrevq, 2*mmsize
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sub cq, 2*mmsize
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jge .loop
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REP_RET
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%endmacro
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INIT_XMM sse
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SBR_QMF_DEINT_BFLY
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INIT_XMM sse2
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SBR_QMF_DEINT_BFLY
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INIT_XMM sse2
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cglobal sbr_qmf_pre_shuffle, 1,4,6,z
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%define OFFSET (32*4-2*mmsize)
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mov r3q, OFFSET
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lea r1q, [zq + (32+1)*4]
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lea r2q, [zq + 64*4]
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mova m5, [ps_neg]
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.loop:
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movu m0, [r1q]
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movu m2, [r1q + mmsize]
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movu m1, [zq + r3q + 4 + mmsize]
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movu m3, [zq + r3q + 4]
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pxor m2, m5
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pxor m0, m5
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pshufd m2, m2, q0123
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pshufd m0, m0, q0123
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SBUTTERFLY dq, 2, 3, 4
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SBUTTERFLY dq, 0, 1, 4
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mova [r2q + 2*r3q + 0*mmsize], m2
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mova [r2q + 2*r3q + 1*mmsize], m3
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mova [r2q + 2*r3q + 2*mmsize], m0
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mova [r2q + 2*r3q + 3*mmsize], m1
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add r1q, 2*mmsize
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sub r3q, 2*mmsize
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jge .loop
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movq m2, [zq]
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movq [r2q], m2
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REP_RET
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%ifdef PIC
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%define NREGS 1
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%if UNIX64
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%define NOISE_TABLE r6q ; r5q is m_max
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%else
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%define NOISE_TABLE r5q
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%endif
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%else
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%define NREGS 0
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%define NOISE_TABLE sbr_noise_table
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%endif
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%macro LOAD_NST 1
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%ifdef PIC
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lea NOISE_TABLE, [%1]
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mova m0, [kxq + NOISE_TABLE]
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%else
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mova m0, [kxq + %1]
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%endif
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%endmacro
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INIT_XMM sse2
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; sbr_hf_apply_noise_0(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_0, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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mova m0, [ps_noise0]
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jmp apply_noise_main
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; sbr_hf_apply_noise_1(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_1, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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and kxq, 1
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shl kxq, 4
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LOAD_NST ps_noise13
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jmp apply_noise_main
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; sbr_hf_apply_noise_2(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_2, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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mova m0, [ps_noise2]
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jmp apply_noise_main
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; sbr_hf_apply_noise_3(float (*Y)[2], const float *s_m,
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; const float *q_filt, int noise,
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; int kx, int m_max)
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cglobal sbr_hf_apply_noise_3, 5,5+NREGS+UNIX64,8, Y,s_m,q_filt,noise,kx,m_max
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and kxq, 1
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shl kxq, 4
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LOAD_NST ps_noise13+16
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apply_noise_main:
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%if ARCH_X86_64 == 0 || WIN64
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mov kxd, m_maxm
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DEFINE_ARGS Y, s_m, q_filt, noise, count
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%else
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DEFINE_ARGS Y, s_m, q_filt, noise, kx, count
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%endif
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movsxdifnidn noiseq, noised
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dec noiseq
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shl countd, 2
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%ifdef PIC
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lea NOISE_TABLE, [sbr_noise_table]
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%endif
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lea Yq, [Yq + 2*countq]
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add s_mq, countq
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add q_filtq, countq
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shl noiseq, 3
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pxor m5, m5
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neg countq
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.loop:
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mova m1, [q_filtq + countq]
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movu m3, [noiseq + NOISE_TABLE + 1*mmsize]
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movu m4, [noiseq + NOISE_TABLE + 2*mmsize]
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add noiseq, 2*mmsize
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and noiseq, 0x1ff<<3
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punpckhdq m2, m1, m1
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punpckldq m1, m1
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mulps m1, m3 ; m2 = q_filt[m] * ff_sbr_noise_table[noise]
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mulps m2, m4 ; m2 = q_filt[m] * ff_sbr_noise_table[noise]
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mova m3, [s_mq + countq]
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; TODO: replace by a vpermd in AVX2
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punpckhdq m4, m3, m3
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punpckldq m3, m3
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pcmpeqd m6, m3, m5 ; m6 == 0
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pcmpeqd m7, m4, m5 ; m7 == 0
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mulps m3, m0 ; s_m[m] * phi_sign
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mulps m4, m0 ; s_m[m] * phi_sign
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pand m1, m6
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pand m2, m7
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movu m6, [Yq + 2*countq]
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movu m7, [Yq + 2*countq + mmsize]
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addps m3, m1
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addps m4, m2
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addps m6, m3
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addps m7, m4
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movu [Yq + 2*countq], m6
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movu [Yq + 2*countq + mmsize], m7
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add countq, mmsize
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jl .loop
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RET
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INIT_XMM sse
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cglobal sbr_qmf_deint_neg, 2,4,4,v,src,vrev,c
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%define COUNT 32*4
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%define OFFSET 32*4
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mov cq, -COUNT
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lea vrevq, [vq + OFFSET + COUNT]
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add vq, OFFSET-mmsize
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add srcq, 2*COUNT
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mova m3, [ps_neg]
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.loop:
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mova m0, [srcq + 2*cq + 0*mmsize]
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mova m1, [srcq + 2*cq + 1*mmsize]
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shufps m2, m0, m1, q2020
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shufps m1, m0, q1313
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xorps m2, m3
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mova [vq], m1
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mova [vrevq + cq], m2
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sub vq, mmsize
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add cq, mmsize
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jl .loop
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REP_RET
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%macro SBR_AUTOCORRELATE 0
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cglobal sbr_autocorrelate, 2,3,8,32, x, phi, cnt
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mov cntq, 37*8
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add xq, cntq
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neg cntq
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%if cpuflag(sse3)
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%define MOVH movsd
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movddup m5, [xq+cntq]
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%else
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%define MOVH movlps
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movlps m5, [xq+cntq]
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movlhps m5, m5
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%endif
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MOVH m7, [xq+cntq+8 ]
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MOVH m1, [xq+cntq+16]
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shufps m7, m7, q0110
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shufps m1, m1, q0110
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mulps m3, m5, m7 ; x[0][0] * x[1][0], x[0][1] * x[1][1], x[0][0] * x[1][1], x[0][1] * x[1][0]
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mulps m4, m5, m5 ; x[0][0] * x[0][0], x[0][1] * x[0][1];
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mulps m5, m1 ; real_sum2 = x[0][0] * x[2][0], x[0][1] * x[2][1]; imag_sum2 = x[0][0] * x[2][1], x[0][1] * x[2][0]
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movaps [rsp ], m3
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movaps [rsp+16], m4
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add cntq, 8
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MOVH m2, [xq+cntq+16]
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movlhps m7, m7
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shufps m2, m2, q0110
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mulps m6, m7, m1 ; real_sum1 = x[1][0] * x[2][0], x[1][1] * x[2][1]; imag_sum1 += x[1][0] * x[2][1], x[1][1] * x[2][0]
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mulps m4, m7, m2
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mulps m7, m7 ; real_sum0 = x[1][0] * x[1][0], x[1][1] * x[1][1];
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addps m5, m4 ; real_sum2 += x[1][0] * x[3][0], x[1][1] * x[3][1]; imag_sum2 += x[1][0] * x[3][1], x[1][1] * x[3][0]
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align 16
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.loop:
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add cntq, 8
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MOVH m0, [xq+cntq+16]
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movlhps m1, m1
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shufps m0, m0, q0110
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mulps m3, m1, m2
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mulps m4, m1, m0
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mulps m1, m1
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addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0];
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addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0];
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addps m7, m1 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1];
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add cntq, 8
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MOVH m1, [xq+cntq+16]
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movlhps m2, m2
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shufps m1, m1, q0110
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mulps m3, m2, m0
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mulps m4, m2, m1
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mulps m2, m2
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addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0];
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addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0];
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addps m7, m2 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1];
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add cntq, 8
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MOVH m2, [xq+cntq+16]
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movlhps m0, m0
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shufps m2, m2, q0110
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mulps m3, m0, m1
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mulps m4, m0, m2
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mulps m0, m0
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addps m6, m3 ; real_sum1 += x[i][0] * x[i + 1][0], x[i][1] * x[i + 1][1]; imag_sum1 += x[i][0] * x[i + 1][1], x[i][1] * x[i + 1][0];
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addps m5, m4 ; real_sum2 += x[i][0] * x[i + 2][0], x[i][1] * x[i + 2][1]; imag_sum2 += x[i][0] * x[i + 2][1], x[i][1] * x[i + 2][0];
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addps m7, m0 ; real_sum0 += x[i][0] * x[i][0], x[i][1] * x[i][1];
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jl .loop
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movlhps m1, m1
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mulps m2, m1
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mulps m1, m1
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addps m2, m6 ; real_sum1 + x[38][0] * x[39][0], x[38][1] * x[39][1]; imag_sum1 + x[38][0] * x[39][1], x[38][1] * x[39][0];
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addps m1, m7 ; real_sum0 + x[38][0] * x[38][0], x[38][1] * x[38][1];
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addps m6, [rsp ] ; real_sum1 + x[ 0][0] * x[ 1][0], x[ 0][1] * x[ 1][1]; imag_sum1 + x[ 0][0] * x[ 1][1], x[ 0][1] * x[ 1][0];
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addps m7, [rsp+16] ; real_sum0 + x[ 0][0] * x[ 0][0], x[ 0][1] * x[ 0][1];
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xorps m2, [ps_mask3]
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xorps m5, [ps_mask3]
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xorps m6, [ps_mask3]
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HADDPS m2, m5, m3
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HADDPS m7, m6, m4
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%if cpuflag(sse3)
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movshdup m0, m1
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%else
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movss m0, m1
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shufps m1, m1, q0001
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%endif
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addss m1, m0
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movaps [phiq ], m2
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movhps [phiq+0x18], m7
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movss [phiq+0x28], m7
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movss [phiq+0x10], m1
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RET
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%endmacro
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INIT_XMM sse
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SBR_AUTOCORRELATE
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INIT_XMM sse3
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SBR_AUTOCORRELATE
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