summaryrefslogtreecommitdiff
path: root/drivers/opus/celt/arm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/opus/celt/arm')
-rwxr-xr-xdrivers/opus/celt/arm/arm2gnu.pl353
-rw-r--r--drivers/opus/celt/arm/arm_celt_map.c118
-rw-r--r--drivers/opus/celt/arm/armcpu.c171
-rw-r--r--drivers/opus/celt/arm/armcpu.h71
-rw-r--r--drivers/opus/celt/arm/armopts.s.in37
-rw-r--r--drivers/opus/celt/arm/celt_ne10_fft.c172
-rw-r--r--drivers/opus/celt/arm/celt_ne10_mdct.c256
-rw-r--r--drivers/opus/celt/arm/celt_neon_intr.c249
-rw-r--r--drivers/opus/celt/arm/celt_pitch_xcorr_arm-gnu.S551
-rw-r--r--drivers/opus/celt/arm/celt_pitch_xcorr_arm.s547
-rw-r--r--drivers/opus/celt/arm/fft_arm.h72
-rw-r--r--drivers/opus/celt/arm/fixed_armv4.h80
-rw-r--r--drivers/opus/celt/arm/fixed_armv5e.h151
-rw-r--r--drivers/opus/celt/arm/kiss_fft_armv4.h121
-rw-r--r--drivers/opus/celt/arm/kiss_fft_armv5e.h118
-rw-r--r--drivers/opus/celt/arm/mdct_arm.h60
-rw-r--r--drivers/opus/celt/arm/pitch_arm.h68
17 files changed, 0 insertions, 3195 deletions
diff --git a/drivers/opus/celt/arm/arm2gnu.pl b/drivers/opus/celt/arm/arm2gnu.pl
deleted file mode 100755
index 6c922ac819..0000000000
--- a/drivers/opus/celt/arm/arm2gnu.pl
+++ /dev/null
@@ -1,353 +0,0 @@
-#!/usr/bin/perl
-# Copyright (C) 2002-2013 Xiph.org Foundation
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-# OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-my $bigend; # little/big endian
-my $nxstack;
-my $apple = 0;
-my $symprefix = "";
-
-$nxstack = 0;
-
-eval 'exec /usr/local/bin/perl -S $0 ${1+"$@"}'
- if $running_under_some_shell;
-
-while ($ARGV[0] =~ /^-/) {
- $_ = shift;
- last if /^--$/;
- if (/^-n$/) {
- $nflag++;
- next;
- }
- if (/^--apple$/) {
- $apple = 1;
- $symprefix = "_";
- next;
- }
- die "I don't recognize this switch: $_\\n";
-}
-$printit++ unless $nflag;
-
-$\ = "\n"; # automatically add newline on print
-$n=0;
-
-$thumb = 0; # ARM mode by default, not Thumb.
-@proc_stack = ();
-
-printf (" .syntax unified\n");
-
-LINE:
-while (<>) {
-
- # For ADRLs we need to add a new line after the substituted one.
- $addPadding = 0;
-
- # First, we do not dare to touch *anything* inside double quotes, do we?
- # Second, if you want a dollar character in the string,
- # insert two of them -- that's how ARM C and assembler treat strings.
- s/^([A-Za-z_]\w*)[ \t]+DCB[ \t]*\"/$1: .ascii \"/ && do { s/\$\$/\$/g; next };
- s/\bDCB\b[ \t]*\"/.ascii \"/ && do { s/\$\$/\$/g; next };
- s/^(\S+)\s+RN\s+(\S+)/$1 .req r$2/ && do { s/\$\$/\$/g; next };
- # If there's nothing on a line but a comment, don't try to apply any further
- # substitutions (this is a cheap hack to avoid mucking up the license header)
- s/^([ \t]*);/$1@/ && do { s/\$\$/\$/g; next };
- # If substituted -- leave immediately !
-
- s/@/,:/;
- s/;/@/;
- while ( /@.*'/ ) {
- s/(@.*)'/$1/g;
- }
- s/\{FALSE\}/0/g;
- s/\{TRUE\}/1/g;
- s/\{(\w\w\w\w+)\}/$1/g;
- s/\bINCLUDE[ \t]*([^ \t\n]+)/.include \"$1\"/;
- s/\bGET[ \t]*([^ \t\n]+)/.include \"${ my $x=$1; $x =~ s|\.s|-gnu.S|; \$x }\"/;
- s/\bIMPORT\b/.extern/;
- s/\bEXPORT\b\s*/.global $symprefix/;
- s/^(\s+)\[/$1IF/;
- s/^(\s+)\|/$1ELSE/;
- s/^(\s+)\]/$1ENDIF/;
- s/IF *:DEF:/ .ifdef/;
- s/IF *:LNOT: *:DEF:/ .ifndef/;
- s/ELSE/ .else/;
- s/ENDIF/ .endif/;
-
- if( /\bIF\b/ ) {
- s/\bIF\b/ .if/;
- s/=/==/;
- }
- if ( $n == 2) {
- s/\$/\\/g;
- }
- if ($n == 1) {
- s/\$//g;
- s/label//g;
- $n = 2;
- }
- if ( /MACRO/ ) {
- s/MACRO *\n/.macro/;
- $n=1;
- }
- if ( /\bMEND\b/ ) {
- s/\bMEND\b/.endm/;
- $n=0;
- }
-
- # ".rdata" doesn't work in 'as' version 2.13.2, as it is ".rodata" there.
- #
- if ( /\bAREA\b/ ) {
- my $align;
- $align = "2";
- if ( /ALIGN=(\d+)/ ) {
- $align = $1;
- }
- if ( /CODE/ ) {
- $nxstack = 1;
- }
- s/^(.+)CODE(.+)READONLY(.*)/ .text/;
- s/^(.+)DATA(.+)READONLY(.*)/ .section .rdata/;
- s/^(.+)\|\|\.data\|\|(.+)/ .data/;
- s/^(.+)\|\|\.bss\|\|(.+)/ .bss/;
- s/$/; .p2align $align/;
- # Enable NEON instructions but don't produce a binary that requires
- # ARMv7. RVCT does not have equivalent directives, so we just do this
- # for all CODE areas.
- if ( /.text/ ) {
- # Separating .arch, .fpu, etc., by semicolons does not work (gas
- # thinks the semicolon is part of the arch name, even when there's
- # whitespace separating them). Sadly this means our line numbers
- # won't match the original source file (we could use the .line
- # directive, which is documented to be obsolete, but then gdb will
- # show the wrong line in the translated source file).
- s/$/; .arch armv7-a\n .fpu neon\n .object_arch armv4t/ unless ($apple);
- }
- }
-
- s/\|\|\.constdata\$(\d+)\|\|/.L_CONST$1/; # ||.constdata$3||
- s/\|\|\.bss\$(\d+)\|\|/.L_BSS$1/; # ||.bss$2||
- s/\|\|\.data\$(\d+)\|\|/.L_DATA$1/; # ||.data$2||
- s/\|\|([a-zA-Z0-9_]+)\@([a-zA-Z0-9_]+)\|\|/@ $&/;
- s/^(\s+)\%(\s)/ .space $1/;
-
- s/\|(.+)\.(\d+)\|/\.$1_$2/; # |L80.123| -> .L80_123
- s/\bCODE32\b/.code 32/ && do {$thumb = 0};
- s/\bCODE16\b/.code 16/ && do {$thumb = 1};
- if (/\bPROC\b/)
- {
- my $prefix;
- my $proc;
- /^([A-Za-z_\.]\w+)\b/;
- $proc = $1;
- $prefix = "";
- if ($proc)
- {
- $prefix = $prefix.sprintf("\t.type\t%s, %%function; ",$proc) unless ($apple);
- # Make sure we $prefix isn't empty here (for the $apple case).
- # We handle mangling the label here, make sure it doesn't match
- # the label handling below (if $prefix would be empty).
- $prefix = "; ";
- push(@proc_stack, $proc);
- s/^[A-Za-z_\.]\w+/$symprefix$&:/;
- }
- $prefix = $prefix."\t.thumb_func; " if ($thumb);
- s/\bPROC\b/@ $&/;
- $_ = $prefix.$_;
- }
- s/^(\s*)(S|Q|SH|U|UQ|UH)ASX\b/$1$2ADDSUBX/;
- s/^(\s*)(S|Q|SH|U|UQ|UH)SAX\b/$1$2SUBADDX/;
- if (/\bENDP\b/)
- {
- my $proc;
- s/\bENDP\b/@ $&/;
- $proc = pop(@proc_stack);
- $_ = "\t.size $proc, .-$proc".$_ if ($proc && !$apple);
- }
- s/\bSUBT\b/@ $&/;
- s/\bDATA\b/@ $&/; # DATA directive is deprecated -- Asm guide, p.7-25
- s/\bKEEP\b/@ $&/;
- s/\bEXPORTAS\b/@ $&/;
- s/\|\|(.)+\bEQU\b/@ $&/;
- s/\|\|([\w\$]+)\|\|/$1/;
- s/\bENTRY\b/@ $&/;
- s/\bASSERT\b/@ $&/;
- s/\bGBLL\b/@ $&/;
- s/\bGBLA\b/@ $&/;
- s/^\W+OPT\b/@ $&/;
- s/:OR:/|/g;
- s/:SHL:/<</g;
- s/:SHR:/>>/g;
- s/:AND:/&/g;
- s/:LAND:/&&/g;
- s/CPSR/cpsr/;
- s/SPSR/spsr/;
- s/ALIGN$/.balign 4/;
- s/ALIGN\s+([0-9x]+)$/.balign $1/;
- s/psr_cxsf/psr_all/;
- s/LTORG/.ltorg/;
- s/^([A-Za-z_]\w*)[ \t]+EQU/ .set $1,/;
- s/^([A-Za-z_]\w*)[ \t]+SETL/ .set $1,/;
- s/^([A-Za-z_]\w*)[ \t]+SETA/ .set $1,/;
- s/^([A-Za-z_]\w*)[ \t]+\*/ .set $1,/;
-
- # {PC} + 0xdeadfeed --> . + 0xdeadfeed
- s/\{PC\} \+/ \. +/;
-
- # Single hex constant on the line !
- #
- # >>> NOTE <<<
- # Double-precision floats in gcc are always mixed-endian, which means
- # bytes in two words are little-endian, but words are big-endian.
- # So, 0x0000deadfeed0000 would be stored as 0x0000dead at low address
- # and 0xfeed0000 at high address.
- #
- s/\bDCFD\b[ \t]+0x([a-fA-F0-9]{8})([a-fA-F0-9]{8})/.long 0x$1, 0x$2/;
- # Only decimal constants on the line, no hex !
- s/\bDCFD\b[ \t]+([0-9\.\-]+)/.double $1/;
-
- # Single hex constant on the line !
-# s/\bDCFS\b[ \t]+0x([a-f0-9]{8})([a-f0-9]{8})/.long 0x$1, 0x$2/;
- # Only decimal constants on the line, no hex !
-# s/\bDCFS\b[ \t]+([0-9\.\-]+)/.double $1/;
- s/\bDCFS[ \t]+0x/.word 0x/;
- s/\bDCFS\b/.float/;
-
- s/^([A-Za-z_]\w*)[ \t]+DCD/$1 .word/;
- s/\bDCD\b/.word/;
- s/^([A-Za-z_]\w*)[ \t]+DCW/$1 .short/;
- s/\bDCW\b/.short/;
- s/^([A-Za-z_]\w*)[ \t]+DCB/$1 .byte/;
- s/\bDCB\b/.byte/;
- s/^([A-Za-z_]\w*)[ \t]+\%/.comm $1,/;
- s/^[A-Za-z_\.]\w+/$&:/;
- s/^(\d+)/$1:/;
- s/\%(\d+)/$1b_or_f/;
- s/\%[Bb](\d+)/$1b/;
- s/\%[Ff](\d+)/$1f/;
- s/\%[Ff][Tt](\d+)/$1f/;
- s/&([\dA-Fa-f]+)/0x$1/;
- if ( /\b2_[01]+\b/ ) {
- s/\b2_([01]+)\b/conv$1&&&&/g;
- while ( /[01][01][01][01]&&&&/ ) {
- s/0000&&&&/&&&&0/g;
- s/0001&&&&/&&&&1/g;
- s/0010&&&&/&&&&2/g;
- s/0011&&&&/&&&&3/g;
- s/0100&&&&/&&&&4/g;
- s/0101&&&&/&&&&5/g;
- s/0110&&&&/&&&&6/g;
- s/0111&&&&/&&&&7/g;
- s/1000&&&&/&&&&8/g;
- s/1001&&&&/&&&&9/g;
- s/1010&&&&/&&&&A/g;
- s/1011&&&&/&&&&B/g;
- s/1100&&&&/&&&&C/g;
- s/1101&&&&/&&&&D/g;
- s/1110&&&&/&&&&E/g;
- s/1111&&&&/&&&&F/g;
- }
- s/000&&&&/&&&&0/g;
- s/001&&&&/&&&&1/g;
- s/010&&&&/&&&&2/g;
- s/011&&&&/&&&&3/g;
- s/100&&&&/&&&&4/g;
- s/101&&&&/&&&&5/g;
- s/110&&&&/&&&&6/g;
- s/111&&&&/&&&&7/g;
- s/00&&&&/&&&&0/g;
- s/01&&&&/&&&&1/g;
- s/10&&&&/&&&&2/g;
- s/11&&&&/&&&&3/g;
- s/0&&&&/&&&&0/g;
- s/1&&&&/&&&&1/g;
- s/conv&&&&/0x/g;
- }
-
- if ( /commandline/)
- {
- if( /-bigend/)
- {
- $bigend=1;
- }
- }
-
- if ( /\bDCDU\b/ )
- {
- my $cmd=$_;
- my $value;
- my $prefix;
- my $w1;
- my $w2;
- my $w3;
- my $w4;
-
- s/\s+DCDU\b/@ $&/;
-
- $cmd =~ /\bDCDU\b\s+0x(\d+)/;
- $value = $1;
- $value =~ /(\w\w)(\w\w)(\w\w)(\w\w)/;
- $w1 = $1;
- $w2 = $2;
- $w3 = $3;
- $w4 = $4;
-
- if( $bigend ne "")
- {
- # big endian
- $prefix = "\t.byte\t0x".$w1.";".
- "\t.byte\t0x".$w2.";".
- "\t.byte\t0x".$w3.";".
- "\t.byte\t0x".$w4."; ";
- }
- else
- {
- # little endian
- $prefix = "\t.byte\t0x".$w4.";".
- "\t.byte\t0x".$w3.";".
- "\t.byte\t0x".$w2.";".
- "\t.byte\t0x".$w1."; ";
- }
- $_=$prefix.$_;
- }
-
- if ( /\badrl\b/i )
- {
- s/\badrl\s+(\w+)\s*,\s*(\w+)/ldr $1,=$2/i;
- $addPadding = 1;
- }
- s/\bEND\b/@ END/;
-} continue {
- printf ("%s", $_) if $printit;
- if ($addPadding != 0)
- {
- printf (" mov r0,r0\n");
- $addPadding = 0;
- }
-}
-#If we had a code section, mark that this object doesn't need an executable
-# stack.
-if ($nxstack && !$apple) {
- printf (" .section\t.note.GNU-stack,\"\",\%\%progbits\n");
-}
diff --git a/drivers/opus/celt/arm/arm_celt_map.c b/drivers/opus/celt/arm/arm_celt_map.c
deleted file mode 100644
index 92c83c1763..0000000000
--- a/drivers/opus/celt/arm/arm_celt_map.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* Copyright (c) 2010 Xiph.Org Foundation
- * Copyright (c) 2013 Parrot */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-#include "opus/opus_config.h"
-
-#include "opus/celt/pitch.h"
-#include "opus/celt/kiss_fft.h"
-#include "opus/celt/mdct.h"
-
-#if defined(OPUS_HAVE_RTCD)
-
-# if defined(FIXED_POINT)
-opus_val32 (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
- const opus_val16 *, opus_val32 *, int , int) = {
- celt_pitch_xcorr_c, /* ARMv4 */
- MAY_HAVE_EDSP(celt_pitch_xcorr), /* EDSP */
- MAY_HAVE_MEDIA(celt_pitch_xcorr), /* Media */
- MAY_HAVE_NEON(celt_pitch_xcorr) /* NEON */
-};
-# else /* !FIXED_POINT */
-# if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
-void (*const CELT_PITCH_XCORR_IMPL[OPUS_ARCHMASK+1])(const opus_val16 *,
- const opus_val16 *, opus_val32 *, int, int) = {
- celt_pitch_xcorr_c, /* ARMv4 */
- celt_pitch_xcorr_c, /* EDSP */
- celt_pitch_xcorr_c, /* Media */
- celt_pitch_xcorr_float_neon /* Neon */
-};
-# endif
-# endif /* FIXED_POINT */
-
-# if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
-# if defined(HAVE_ARM_NE10)
-# if defined(CUSTOM_MODES)
-int (*const OPUS_FFT_ALLOC_ARCH_IMPL[OPUS_ARCHMASK+1])(kiss_fft_state *st) = {
- opus_fft_alloc_arch_c, /* ARMv4 */
- opus_fft_alloc_arch_c, /* EDSP */
- opus_fft_alloc_arch_c, /* Media */
- opus_fft_alloc_arm_neon /* Neon with NE10 library support */
-};
-
-void (*const OPUS_FFT_FREE_ARCH_IMPL[OPUS_ARCHMASK+1])(kiss_fft_state *st) = {
- opus_fft_free_arch_c, /* ARMv4 */
- opus_fft_free_arch_c, /* EDSP */
- opus_fft_free_arch_c, /* Media */
- opus_fft_free_arm_neon /* Neon with NE10 */
-};
-# endif /* CUSTOM_MODES */
-
-void (*const OPUS_FFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout) = {
- opus_fft_c, /* ARMv4 */
- opus_fft_c, /* EDSP */
- opus_fft_c, /* Media */
- opus_fft_neon /* Neon with NE10 */
-};
-
-void (*const OPUS_IFFT[OPUS_ARCHMASK+1])(const kiss_fft_state *cfg,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout) = {
- opus_ifft_c, /* ARMv4 */
- opus_ifft_c, /* EDSP */
- opus_ifft_c, /* Media */
- opus_ifft_neon /* Neon with NE10 */
-};
-
-void (*const CLT_MDCT_FORWARD_IMPL[OPUS_ARCHMASK+1])(const mdct_lookup *l,
- kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 *window,
- int overlap, int shift,
- int stride, int arch) = {
- clt_mdct_forward_c, /* ARMv4 */
- clt_mdct_forward_c, /* EDSP */
- clt_mdct_forward_c, /* Media */
- clt_mdct_forward_neon /* Neon with NE10 */
-};
-
-void (*const CLT_MDCT_BACKWARD_IMPL[OPUS_ARCHMASK+1])(const mdct_lookup *l,
- kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 *window,
- int overlap, int shift,
- int stride, int arch) = {
- clt_mdct_backward_c, /* ARMv4 */
- clt_mdct_backward_c, /* EDSP */
- clt_mdct_backward_c, /* Media */
- clt_mdct_backward_neon /* Neon with NE10 */
-};
-
-# endif /* HAVE_ARM_NE10 */
-# endif /* OPUS_ARM_MAY_HAVE_NEON_INTR */
-
-#endif /* OPUS_HAVE_RTCD */
diff --git a/drivers/opus/celt/arm/armcpu.c b/drivers/opus/celt/arm/armcpu.c
deleted file mode 100644
index ac8ad2ec14..0000000000
--- a/drivers/opus/celt/arm/armcpu.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/* Copyright (c) 2010 Xiph.Org Foundation
- * Copyright (c) 2013 Parrot */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-/* Original code from libtheora modified to suit to Opus */
-#include "opus/opus_config.h"
-
-#ifdef OPUS_HAVE_RTCD
-
-#include "opus/celt/arm/armcpu.h"
-#include "opus/celt/cpu_support.h"
-#include "opus/celt/os_support.h"
-#include "opus/opus_types.h"
-
-#define OPUS_CPU_ARM_V4 (1)
-#define OPUS_CPU_ARM_EDSP (1<<1)
-#define OPUS_CPU_ARM_MEDIA (1<<2)
-#define OPUS_CPU_ARM_NEON (1<<3)
-
-#if defined(_MSC_VER)
-/*For GetExceptionCode() and EXCEPTION_ILLEGAL_INSTRUCTION.*/
-# define WIN32_LEAN_AND_MEAN
-# define WIN32_EXTRA_LEAN
-# include <windows.h>
-
-static OPUS_INLINE opus_uint32 opus_cpu_capabilities(void){
- opus_uint32 flags;
- flags=0;
- /* MSVC has no OPUS_INLINE __asm support for ARM, but it does let you __emit
- * instructions via their assembled hex code.
- * All of these instructions should be essentially nops. */
-# if defined(OPUS_ARM_MAY_HAVE_EDSP)
- __try{
- /*PLD [r13]*/
- __emit(0xF5DDF000);
- flags|=OPUS_CPU_ARM_EDSP;
- }
- __except(GetExceptionCode()==EXCEPTION_ILLEGAL_INSTRUCTION){
- /*Ignore exception.*/
- }
-# if defined(OPUS_ARM_MAY_HAVE_MEDIA)
- __try{
- /*SHADD8 r3,r3,r3*/
- __emit(0xE6333F93);
- flags|=OPUS_CPU_ARM_MEDIA;
- }
- __except(GetExceptionCode()==EXCEPTION_ILLEGAL_INSTRUCTION){
- /*Ignore exception.*/
- }
-# if defined(OPUS_ARM_MAY_HAVE_NEON) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
- __try{
- /*VORR q0,q0,q0*/
- __emit(0xF2200150);
- flags|=OPUS_CPU_ARM_NEON;
- }
- __except(GetExceptionCode()==EXCEPTION_ILLEGAL_INSTRUCTION){
- /*Ignore exception.*/
- }
-# endif
-# endif
-# endif
- return flags;
-}
-
-#elif defined(__linux__)
-/* Linux based */
-opus_uint32 opus_cpu_capabilities(void)
-{
- opus_uint32 flags = 0;
- FILE *cpuinfo;
-
- /* Reading /proc/self/auxv would be easier, but that doesn't work reliably on
- * Android */
- cpuinfo = fopen("/proc/cpuinfo", "r");
-
- if(cpuinfo != NULL)
- {
- /* 512 should be enough for anybody (it's even enough for all the flags that
- * x86 has accumulated... so far). */
- char buf[512];
-
- while(fgets(buf, 512, cpuinfo) != NULL)
- {
-# if defined(OPUS_ARM_MAY_HAVE_EDSP) || defined(OPUS_ARM_MAY_HAVE_NEON) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
- /* Search for edsp and neon flag */
- if(memcmp(buf, "Features", 8) == 0)
- {
- char *p;
-# if defined(OPUS_ARM_MAY_HAVE_EDSP)
- p = strstr(buf, " edsp");
- if(p != NULL && (p[5] == ' ' || p[5] == '\n'))
- flags |= OPUS_CPU_ARM_EDSP;
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_NEON) || defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
- p = strstr(buf, " neon");
- if(p != NULL && (p[5] == ' ' || p[5] == '\n'))
- flags |= OPUS_CPU_ARM_NEON;
-# endif
- }
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_MEDIA)
- /* Search for media capabilities (>= ARMv6) */
- if(memcmp(buf, "CPU architecture:", 17) == 0)
- {
- int version;
- version = atoi(buf+17);
-
- if(version >= 6)
- flags |= OPUS_CPU_ARM_MEDIA;
- }
-# endif
- }
-
- fclose(cpuinfo);
- }
- return flags;
-}
-#else
-/* The feature registers which can tell us what the processor supports are
- * accessible in priveleged modes only, so we can't have a general user-space
- * detection method like on x86.*/
-# error "Configured to use ARM asm but no CPU detection method available for " \
- "your platform. Reconfigure with --disable-rtcd (or send patches)."
-#endif
-
-int opus_select_arch(void)
-{
- opus_uint32 flags = opus_cpu_capabilities();
- int arch = 0;
-
- if(!(flags & OPUS_CPU_ARM_EDSP))
- return arch;
- arch++;
-
- if(!(flags & OPUS_CPU_ARM_MEDIA))
- return arch;
- arch++;
-
- if(!(flags & OPUS_CPU_ARM_NEON))
- return arch;
- arch++;
-
- return arch;
-}
-
-#endif
diff --git a/drivers/opus/celt/arm/armcpu.h b/drivers/opus/celt/arm/armcpu.h
deleted file mode 100644
index ac5744606e..0000000000
--- a/drivers/opus/celt/arm/armcpu.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/* Copyright (c) 2010 Xiph.Org Foundation
- * Copyright (c) 2013 Parrot */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#if !defined(ARMCPU_H)
-# define ARMCPU_H
-
-# if defined(OPUS_ARM_MAY_HAVE_EDSP)
-# define MAY_HAVE_EDSP(name) name ## _edsp
-# else
-# define MAY_HAVE_EDSP(name) name ## _c
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_MEDIA)
-# define MAY_HAVE_MEDIA(name) name ## _media
-# else
-# define MAY_HAVE_MEDIA(name) MAY_HAVE_EDSP(name)
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_NEON)
-# define MAY_HAVE_NEON(name) name ## _neon
-# else
-# define MAY_HAVE_NEON(name) MAY_HAVE_MEDIA(name)
-# endif
-
-# if defined(OPUS_ARM_PRESUME_EDSP)
-# define PRESUME_EDSP(name) name ## _edsp
-# else
-# define PRESUME_EDSP(name) name ## _c
-# endif
-
-# if defined(OPUS_ARM_PRESUME_MEDIA)
-# define PRESUME_MEDIA(name) name ## _media
-# else
-# define PRESUME_MEDIA(name) PRESUME_EDSP(name)
-# endif
-
-# if defined(OPUS_ARM_PRESUME_NEON)
-# define PRESUME_NEON(name) name ## _neon
-# else
-# define PRESUME_NEON(name) PRESUME_MEDIA(name)
-# endif
-
-# if defined(OPUS_HAVE_RTCD)
-int opus_select_arch(void);
-# endif
-
-#endif
diff --git a/drivers/opus/celt/arm/armopts.s.in b/drivers/opus/celt/arm/armopts.s.in
deleted file mode 100644
index 3d8aaf2754..0000000000
--- a/drivers/opus/celt/arm/armopts.s.in
+++ /dev/null
@@ -1,37 +0,0 @@
-/* Copyright (C) 2013 Mozilla Corporation */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-; Set the following to 1 if we have EDSP instructions
-; (LDRD/STRD, etc., ARMv5E and later).
-OPUS_ARM_MAY_HAVE_EDSP * @OPUS_ARM_MAY_HAVE_EDSP@
-
-; Set the following to 1 if we have ARMv6 media instructions.
-OPUS_ARM_MAY_HAVE_MEDIA * @OPUS_ARM_MAY_HAVE_MEDIA@
-
-; Set the following to 1 if we have NEON (some ARMv7)
-OPUS_ARM_MAY_HAVE_NEON * @OPUS_ARM_MAY_HAVE_NEON@
-
-END
diff --git a/drivers/opus/celt/arm/celt_ne10_fft.c b/drivers/opus/celt/arm/celt_ne10_fft.c
deleted file mode 100644
index e57d23ee1d..0000000000
--- a/drivers/opus/celt/arm/celt_ne10_fft.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* Copyright (c) 2015 Xiph.Org Foundation
- Written by Viswanath Puttagunta */
-/**
- @file celt_ne10_fft.c
- @brief ARM Neon optimizations for fft using NE10 library
- */
-
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef SKIP_CONFIG_H
-#include "opus/opus_config.h"
-#endif
-
-#include <NE10_init.h>
-#include <NE10_dsp.h>
-#include "opus/celt/os_support.h"
-#include "opus/celt/kiss_fft.h"
-#include "opus/celt/stack_alloc.h"
-
-#if !defined(FIXED_POINT)
-# define NE10_FFT_ALLOC_C2C_TYPE_NEON ne10_fft_alloc_c2c_float32_neon
-# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_float32_t
-# define NE10_FFT_STATE_TYPE_T ne10_fft_state_float32_t
-# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_float32
-# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_float32_t
-# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_float32_neon
-#else
-# define NE10_FFT_ALLOC_C2C_TYPE_NEON(nfft) ne10_fft_alloc_c2c_int32_neon(nfft)
-# define NE10_FFT_CFG_TYPE_T ne10_fft_cfg_int32_t
-# define NE10_FFT_STATE_TYPE_T ne10_fft_state_int32_t
-# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32
-# define NE10_FFT_DESTROY_C2C_TYPE ne10_fft_destroy_c2c_int32
-# define NE10_FFT_CPX_TYPE_T ne10_fft_cpx_int32_t
-# define NE10_FFT_C2C_1D_TYPE_NEON ne10_fft_c2c_1d_int32_neon
-#endif
-
-#if defined(CUSTOM_MODES)
-
-/* nfft lengths in NE10 that support scaled fft */
-# define NE10_FFTSCALED_SUPPORT_MAX 4
-static const int ne10_fft_scaled_support[NE10_FFTSCALED_SUPPORT_MAX] = {
- 480, 240, 120, 60
-};
-
-int opus_fft_alloc_arm_neon(kiss_fft_state *st)
-{
- int i;
- size_t memneeded = sizeof(struct arch_fft_state);
-
- st->arch_fft = (arch_fft_state *)opus_alloc(memneeded);
- if (!st->arch_fft)
- return -1;
-
- for (i = 0; i < NE10_FFTSCALED_SUPPORT_MAX; i++) {
- if(st->nfft == ne10_fft_scaled_support[i])
- break;
- }
- if (i == NE10_FFTSCALED_SUPPORT_MAX) {
- /* This nfft length (scaled fft) is not supported in NE10 */
- st->arch_fft->is_supported = 0;
- st->arch_fft->priv = NULL;
- }
- else {
- st->arch_fft->is_supported = 1;
- st->arch_fft->priv = (void *)NE10_FFT_ALLOC_C2C_TYPE_NEON(st->nfft);
- if (st->arch_fft->priv == NULL) {
- return -1;
- }
- }
- return 0;
-}
-
-void opus_fft_free_arm_neon(kiss_fft_state *st)
-{
- NE10_FFT_CFG_TYPE_T cfg;
-
- if (!st->arch_fft)
- return;
-
- cfg = (NE10_FFT_CFG_TYPE_T)st->arch_fft->priv;
- if (cfg)
- NE10_FFT_DESTROY_C2C_TYPE(cfg);
- opus_free(st->arch_fft);
-}
-#endif
-
-void opus_fft_neon(const kiss_fft_state *st,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout)
-{
- NE10_FFT_STATE_TYPE_T state;
- NE10_FFT_CFG_TYPE_T cfg = &state;
- VARDECL(NE10_FFT_CPX_TYPE_T, buffer);
- SAVE_STACK;
- ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T);
-
- if (!st->arch_fft->is_supported) {
- /* This nfft length (scaled fft) not supported in NE10 */
- opus_fft_c(st, fin, fout);
- }
- else {
- memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T));
- state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0];
-#if !defined(FIXED_POINT)
- state.is_forward_scaled = 1;
-
- NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
- (NE10_FFT_CPX_TYPE_T *)fin,
- cfg, 0);
-#else
- NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
- (NE10_FFT_CPX_TYPE_T *)fin,
- cfg, 0, 1);
-#endif
- }
- RESTORE_STACK;
-}
-
-void opus_ifft_neon(const kiss_fft_state *st,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout)
-{
- NE10_FFT_STATE_TYPE_T state;
- NE10_FFT_CFG_TYPE_T cfg = &state;
- VARDECL(NE10_FFT_CPX_TYPE_T, buffer);
- SAVE_STACK;
- ALLOC(buffer, st->nfft, NE10_FFT_CPX_TYPE_T);
-
- if (!st->arch_fft->is_supported) {
- /* This nfft length (scaled fft) not supported in NE10 */
- opus_ifft_c(st, fin, fout);
- }
- else {
- memcpy((void *)cfg, st->arch_fft->priv, sizeof(NE10_FFT_STATE_TYPE_T));
- state.buffer = (NE10_FFT_CPX_TYPE_T *)&buffer[0];
-#if !defined(FIXED_POINT)
- state.is_backward_scaled = 0;
-
- NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
- (NE10_FFT_CPX_TYPE_T *)fin,
- cfg, 1);
-#else
- NE10_FFT_C2C_1D_TYPE_NEON((NE10_FFT_CPX_TYPE_T *)fout,
- (NE10_FFT_CPX_TYPE_T *)fin,
- cfg, 1, 0);
-#endif
- }
- RESTORE_STACK;
-}
diff --git a/drivers/opus/celt/arm/celt_ne10_mdct.c b/drivers/opus/celt/arm/celt_ne10_mdct.c
deleted file mode 100644
index eb407b674f..0000000000
--- a/drivers/opus/celt/arm/celt_ne10_mdct.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/* Copyright (c) 2015 Xiph.Org Foundation
- Written by Viswanath Puttagunta */
-/**
- @file celt_ne10_mdct.c
- @brief ARM Neon optimizations for mdct using NE10 library
- */
-
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef SKIP_CONFIG_H
-#include "opus/opus_config.h"
-#endif
-
-#include "opus/celt/kiss_fft.h"
-#include "opus/celt/_kiss_fft_guts.h"
-#include "opus/celt/mdct.h"
-#include "opus/celt/stack_alloc.h"
-
-void clt_mdct_forward_neon(const mdct_lookup *l,
- kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 *window,
- int overlap, int shift, int stride, int arch)
-{
- int i;
- int N, N2, N4;
- VARDECL(kiss_fft_scalar, f);
- VARDECL(kiss_fft_cpx, f2);
- const kiss_fft_state *st = l->kfft[shift];
- const kiss_twiddle_scalar *trig;
-
- SAVE_STACK;
-
- N = l->n;
- trig = l->trig;
- for (i=0;i<shift;i++)
- {
- N >>= 1;
- trig += N;
- }
- N2 = N>>1;
- N4 = N>>2;
-
- ALLOC(f, N2, kiss_fft_scalar);
- ALLOC(f2, N4, kiss_fft_cpx);
-
- /* Consider the input to be composed of four blocks: [a, b, c, d] */
- /* Window, shuffle, fold */
- {
- /* Temp pointers to make it really clear to the compiler what we're doing */
- const kiss_fft_scalar * OPUS_RESTRICT xp1 = in+(overlap>>1);
- const kiss_fft_scalar * OPUS_RESTRICT xp2 = in+N2-1+(overlap>>1);
- kiss_fft_scalar * OPUS_RESTRICT yp = f;
- const opus_val16 * OPUS_RESTRICT wp1 = window+(overlap>>1);
- const opus_val16 * OPUS_RESTRICT wp2 = window+(overlap>>1)-1;
- for(i=0;i<((overlap+3)>>2);i++)
- {
- /* Real part arranged as -d-cR, Imag part arranged as -b+aR*/
- *yp++ = MULT16_32_Q15(*wp2, xp1[N2]) + MULT16_32_Q15(*wp1,*xp2);
- *yp++ = MULT16_32_Q15(*wp1, *xp1) - MULT16_32_Q15(*wp2, xp2[-N2]);
- xp1+=2;
- xp2-=2;
- wp1+=2;
- wp2-=2;
- }
- wp1 = window;
- wp2 = window+overlap-1;
- for(;i<N4-((overlap+3)>>2);i++)
- {
- /* Real part arranged as a-bR, Imag part arranged as -c-dR */
- *yp++ = *xp2;
- *yp++ = *xp1;
- xp1+=2;
- xp2-=2;
- }
- for(;i<N4;i++)
- {
- /* Real part arranged as a-bR, Imag part arranged as -c-dR */
- *yp++ = -MULT16_32_Q15(*wp1, xp1[-N2]) + MULT16_32_Q15(*wp2, *xp2);
- *yp++ = MULT16_32_Q15(*wp2, *xp1) + MULT16_32_Q15(*wp1, xp2[N2]);
- xp1+=2;
- xp2-=2;
- wp1+=2;
- wp2-=2;
- }
- }
- /* Pre-rotation */
- {
- kiss_fft_scalar * OPUS_RESTRICT yp = f;
- const kiss_twiddle_scalar *t = &trig[0];
- for(i=0;i<N4;i++)
- {
- kiss_fft_cpx yc;
- kiss_twiddle_scalar t0, t1;
- kiss_fft_scalar re, im, yr, yi;
- t0 = t[i];
- t1 = t[N4+i];
- re = *yp++;
- im = *yp++;
- yr = S_MUL(re,t0) - S_MUL(im,t1);
- yi = S_MUL(im,t0) + S_MUL(re,t1);
- yc.r = yr;
- yc.i = yi;
- f2[i] = yc;
- }
- }
-
- opus_fft(st, f2, (kiss_fft_cpx *)f, arch);
-
- /* Post-rotate */
- {
- /* Temp pointers to make it really clear to the compiler what we're doing */
- const kiss_fft_cpx * OPUS_RESTRICT fp = (kiss_fft_cpx *)f;
- kiss_fft_scalar * OPUS_RESTRICT yp1 = out;
- kiss_fft_scalar * OPUS_RESTRICT yp2 = out+stride*(N2-1);
- const kiss_twiddle_scalar *t = &trig[0];
- /* Temp pointers to make it really clear to the compiler what we're doing */
- for(i=0;i<N4;i++)
- {
- kiss_fft_scalar yr, yi;
- yr = S_MUL(fp->i,t[N4+i]) - S_MUL(fp->r,t[i]);
- yi = S_MUL(fp->r,t[N4+i]) + S_MUL(fp->i,t[i]);
- *yp1 = yr;
- *yp2 = yi;
- fp++;
- yp1 += 2*stride;
- yp2 -= 2*stride;
- }
- }
- RESTORE_STACK;
-}
-
-void clt_mdct_backward_neon(const mdct_lookup *l,
- kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 * OPUS_RESTRICT window,
- int overlap, int shift, int stride, int arch)
-{
- int i;
- int N, N2, N4;
- VARDECL(kiss_fft_scalar, f);
- const kiss_twiddle_scalar *trig;
- const kiss_fft_state *st = l->kfft[shift];
-
- N = l->n;
- trig = l->trig;
- for (i=0;i<shift;i++)
- {
- N >>= 1;
- trig += N;
- }
- N2 = N>>1;
- N4 = N>>2;
-
- ALLOC(f, N2, kiss_fft_scalar);
-
- /* Pre-rotate */
- {
- /* Temp pointers to make it really clear to the compiler what we're doing */
- const kiss_fft_scalar * OPUS_RESTRICT xp1 = in;
- const kiss_fft_scalar * OPUS_RESTRICT xp2 = in+stride*(N2-1);
- kiss_fft_scalar * OPUS_RESTRICT yp = f;
- const kiss_twiddle_scalar * OPUS_RESTRICT t = &trig[0];
- for(i=0;i<N4;i++)
- {
- kiss_fft_scalar yr, yi;
- yr = S_MUL(*xp2, t[i]) + S_MUL(*xp1, t[N4+i]);
- yi = S_MUL(*xp1, t[i]) - S_MUL(*xp2, t[N4+i]);
- yp[2*i] = yr;
- yp[2*i+1] = yi;
- xp1+=2*stride;
- xp2-=2*stride;
- }
- }
-
- opus_ifft(st, (kiss_fft_cpx *)f, (kiss_fft_cpx*)(out+(overlap>>1)), arch);
-
- /* Post-rotate and de-shuffle from both ends of the buffer at once to make
- it in-place. */
- {
- kiss_fft_scalar * yp0 = out+(overlap>>1);
- kiss_fft_scalar * yp1 = out+(overlap>>1)+N2-2;
- const kiss_twiddle_scalar *t = &trig[0];
- /* Loop to (N4+1)>>1 to handle odd N4. When N4 is odd, the
- middle pair will be computed twice. */
- for(i=0;i<(N4+1)>>1;i++)
- {
- kiss_fft_scalar re, im, yr, yi;
- kiss_twiddle_scalar t0, t1;
- re = yp0[0];
- im = yp0[1];
- t0 = t[i];
- t1 = t[N4+i];
- /* We'd scale up by 2 here, but instead it's done when mixing the windows */
- yr = S_MUL(re,t0) + S_MUL(im,t1);
- yi = S_MUL(re,t1) - S_MUL(im,t0);
- re = yp1[0];
- im = yp1[1];
- yp0[0] = yr;
- yp1[1] = yi;
-
- t0 = t[(N4-i-1)];
- t1 = t[(N2-i-1)];
- /* We'd scale up by 2 here, but instead it's done when mixing the windows */
- yr = S_MUL(re,t0) + S_MUL(im,t1);
- yi = S_MUL(re,t1) - S_MUL(im,t0);
- yp1[0] = yr;
- yp0[1] = yi;
- yp0 += 2;
- yp1 -= 2;
- }
- }
-
- /* Mirror on both sides for TDAC */
- {
- kiss_fft_scalar * OPUS_RESTRICT xp1 = out+overlap-1;
- kiss_fft_scalar * OPUS_RESTRICT yp1 = out;
- const opus_val16 * OPUS_RESTRICT wp1 = window;
- const opus_val16 * OPUS_RESTRICT wp2 = window+overlap-1;
-
- for(i = 0; i < overlap/2; i++)
- {
- kiss_fft_scalar x1, x2;
- x1 = *xp1;
- x2 = *yp1;
- *yp1++ = MULT16_32_Q15(*wp2, x2) - MULT16_32_Q15(*wp1, x1);
- *xp1-- = MULT16_32_Q15(*wp1, x2) + MULT16_32_Q15(*wp2, x1);
- wp1++;
- wp2--;
- }
- }
- RESTORE_STACK;
-}
diff --git a/drivers/opus/celt/arm/celt_neon_intr.c b/drivers/opus/celt/arm/celt_neon_intr.c
deleted file mode 100644
index 82b6958644..0000000000
--- a/drivers/opus/celt/arm/celt_neon_intr.c
+++ /dev/null
@@ -1,249 +0,0 @@
-/* Copyright (c) 2014-2015 Xiph.Org Foundation
- Written by Viswanath Puttagunta */
-/**
- @file celt_neon_intr.c
- @brief ARM Neon Intrinsic optimizations for celt
- */
-
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-#include "opus/opus_config.h"
-
-#include <arm_neon.h>
-#include "opus/celt/pitch.h"
-
-#if !defined(FIXED_POINT)
-/*
- * Function: xcorr_kernel_neon_float
- * ---------------------------------
- * Computes 4 correlation values and stores them in sum[4]
- */
-static void xcorr_kernel_neon_float(const float32_t *x, const float32_t *y,
- float32_t sum[4], int len) {
- float32x4_t YY[3];
- float32x4_t YEXT[3];
- float32x4_t XX[2];
- float32x2_t XX_2;
- float32x4_t SUMM;
- const float32_t *xi = x;
- const float32_t *yi = y;
-
- celt_assert(len>0);
-
- YY[0] = vld1q_f32(yi);
- SUMM = vdupq_n_f32(0);
-
- /* Consume 8 elements in x vector and 12 elements in y
- * vector. However, the 12'th element never really gets
- * touched in this loop. So, if len == 8, then we only
- * must access y[0] to y[10]. y[11] must not be accessed
- * hence make sure len > 8 and not len >= 8
- */
- while (len > 8) {
- yi += 4;
- YY[1] = vld1q_f32(yi);
- yi += 4;
- YY[2] = vld1q_f32(yi);
-
- XX[0] = vld1q_f32(xi);
- xi += 4;
- XX[1] = vld1q_f32(xi);
- xi += 4;
-
- SUMM = vmlaq_lane_f32(SUMM, YY[0], vget_low_f32(XX[0]), 0);
- YEXT[0] = vextq_f32(YY[0], YY[1], 1);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[0], vget_low_f32(XX[0]), 1);
- YEXT[1] = vextq_f32(YY[0], YY[1], 2);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[1], vget_high_f32(XX[0]), 0);
- YEXT[2] = vextq_f32(YY[0], YY[1], 3);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[2], vget_high_f32(XX[0]), 1);
-
- SUMM = vmlaq_lane_f32(SUMM, YY[1], vget_low_f32(XX[1]), 0);
- YEXT[0] = vextq_f32(YY[1], YY[2], 1);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[0], vget_low_f32(XX[1]), 1);
- YEXT[1] = vextq_f32(YY[1], YY[2], 2);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[1], vget_high_f32(XX[1]), 0);
- YEXT[2] = vextq_f32(YY[1], YY[2], 3);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[2], vget_high_f32(XX[1]), 1);
-
- YY[0] = YY[2];
- len -= 8;
- }
-
- /* Consume 4 elements in x vector and 8 elements in y
- * vector. However, the 8'th element in y never really gets
- * touched in this loop. So, if len == 4, then we only
- * must access y[0] to y[6]. y[7] must not be accessed
- * hence make sure len>4 and not len>=4
- */
- if (len > 4) {
- yi += 4;
- YY[1] = vld1q_f32(yi);
-
- XX[0] = vld1q_f32(xi);
- xi += 4;
-
- SUMM = vmlaq_lane_f32(SUMM, YY[0], vget_low_f32(XX[0]), 0);
- YEXT[0] = vextq_f32(YY[0], YY[1], 1);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[0], vget_low_f32(XX[0]), 1);
- YEXT[1] = vextq_f32(YY[0], YY[1], 2);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[1], vget_high_f32(XX[0]), 0);
- YEXT[2] = vextq_f32(YY[0], YY[1], 3);
- SUMM = vmlaq_lane_f32(SUMM, YEXT[2], vget_high_f32(XX[0]), 1);
-
- YY[0] = YY[1];
- len -= 4;
- }
-
- while (--len > 0) {
- XX_2 = vld1_dup_f32(xi++);
- SUMM = vmlaq_lane_f32(SUMM, YY[0], XX_2, 0);
- YY[0]= vld1q_f32(++yi);
- }
-
- XX_2 = vld1_dup_f32(xi);
- SUMM = vmlaq_lane_f32(SUMM, YY[0], XX_2, 0);
-
- vst1q_f32(sum, SUMM);
-}
-
-/*
- * Function: xcorr_kernel_neon_float_process1
- * ---------------------------------
- * Computes single correlation values and stores in *sum
- */
-static void xcorr_kernel_neon_float_process1(const float32_t *x,
- const float32_t *y, float32_t *sum, int len) {
- float32x4_t XX[4];
- float32x4_t YY[4];
- float32x2_t XX_2;
- float32x2_t YY_2;
- float32x4_t SUMM;
- float32x2_t SUMM_2[2];
- const float32_t *xi = x;
- const float32_t *yi = y;
-
- SUMM = vdupq_n_f32(0);
-
- /* Work on 16 values per iteration */
- while (len >= 16) {
- XX[0] = vld1q_f32(xi);
- xi += 4;
- XX[1] = vld1q_f32(xi);
- xi += 4;
- XX[2] = vld1q_f32(xi);
- xi += 4;
- XX[3] = vld1q_f32(xi);
- xi += 4;
-
- YY[0] = vld1q_f32(yi);
- yi += 4;
- YY[1] = vld1q_f32(yi);
- yi += 4;
- YY[2] = vld1q_f32(yi);
- yi += 4;
- YY[3] = vld1q_f32(yi);
- yi += 4;
-
- SUMM = vmlaq_f32(SUMM, YY[0], XX[0]);
- SUMM = vmlaq_f32(SUMM, YY[1], XX[1]);
- SUMM = vmlaq_f32(SUMM, YY[2], XX[2]);
- SUMM = vmlaq_f32(SUMM, YY[3], XX[3]);
- len -= 16;
- }
-
- /* Work on 8 values */
- if (len >= 8) {
- XX[0] = vld1q_f32(xi);
- xi += 4;
- XX[1] = vld1q_f32(xi);
- xi += 4;
-
- YY[0] = vld1q_f32(yi);
- yi += 4;
- YY[1] = vld1q_f32(yi);
- yi += 4;
-
- SUMM = vmlaq_f32(SUMM, YY[0], XX[0]);
- SUMM = vmlaq_f32(SUMM, YY[1], XX[1]);
- len -= 8;
- }
-
- /* Work on 4 values */
- if (len >= 4) {
- XX[0] = vld1q_f32(xi);
- xi += 4;
- YY[0] = vld1q_f32(yi);
- yi += 4;
- SUMM = vmlaq_f32(SUMM, YY[0], XX[0]);
- len -= 4;
- }
-
- /* Start accumulating results */
- SUMM_2[0] = vget_low_f32(SUMM);
- if (len >= 2) {
- /* While at it, consume 2 more values if available */
- XX_2 = vld1_f32(xi);
- xi += 2;
- YY_2 = vld1_f32(yi);
- yi += 2;
- SUMM_2[0] = vmla_f32(SUMM_2[0], YY_2, XX_2);
- len -= 2;
- }
- SUMM_2[1] = vget_high_f32(SUMM);
- SUMM_2[0] = vadd_f32(SUMM_2[0], SUMM_2[1]);
- SUMM_2[0] = vpadd_f32(SUMM_2[0], SUMM_2[0]);
- /* Ok, now we have result accumulated in SUMM_2[0].0 */
-
- if (len > 0) {
- /* Case when you have one value left */
- XX_2 = vld1_dup_f32(xi);
- YY_2 = vld1_dup_f32(yi);
- SUMM_2[0] = vmla_f32(SUMM_2[0], XX_2, YY_2);
- }
-
- vst1_lane_f32(sum, SUMM_2[0], 0);
-}
-
-void celt_pitch_xcorr_float_neon(const opus_val16 *_x, const opus_val16 *_y,
- opus_val32 *xcorr, int len, int max_pitch) {
- int i;
- celt_assert(max_pitch > 0);
- celt_assert((((unsigned char *)_x-(unsigned char *)NULL)&3)==0);
-
- for (i = 0; i < (max_pitch-3); i += 4) {
- xcorr_kernel_neon_float((const float32_t *)_x, (const float32_t *)_y+i,
- (float32_t *)xcorr+i, len);
- }
-
- /* In case max_pitch isn't multiple of 4
- * compute single correlation value per iteration
- */
- for (; i < max_pitch; i++) {
- xcorr_kernel_neon_float_process1((const float32_t *)_x,
- (const float32_t *)_y+i, (float32_t *)xcorr+i, len);
- }
-}
-#endif
diff --git a/drivers/opus/celt/arm/celt_pitch_xcorr_arm-gnu.S b/drivers/opus/celt/arm/celt_pitch_xcorr_arm-gnu.S
deleted file mode 100644
index 5b2ee55a10..0000000000
--- a/drivers/opus/celt/arm/celt_pitch_xcorr_arm-gnu.S
+++ /dev/null
@@ -1,551 +0,0 @@
- .syntax unified
-@ Copyright (c) 2007-2008 CSIRO
-@ Copyright (c) 2007-2009 Xiph.Org Foundation
-@ Copyright (c) 2013 Parrot
-@ Written by Aurélien Zanelli
-@
-@ Redistribution and use in source and binary forms, with or without
-@ modification, are permitted provided that the following conditions
-@ are met:
-@
-@ - Redistributions of source code must retain the above copyright
-@ notice, this list of conditions and the following disclaimer.
-@
-@ - Redistributions in binary form must reproduce the above copyright
-@ notice, this list of conditions and the following disclaimer in the
-@ documentation and/or other materials provided with the distribution.
-@
-@ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-@ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-@ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-@ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-@ OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-@ EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-@ PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-@ PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-@ LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-@ NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- .text; .p2align 2; .arch armv7-a
- .fpu neon
- .object_arch armv4t
-
- .include "celt/arm/armopts-gnu.S"
-
- .if OPUS_ARM_MAY_HAVE_EDSP
- .global celt_pitch_xcorr_edsp
- .endif
-
- .if OPUS_ARM_MAY_HAVE_NEON
- .global celt_pitch_xcorr_neon
- .endif
-
- .if OPUS_ARM_MAY_HAVE_NEON
-
-@ Compute sum[k]=sum(x[j]*y[j+k],j=0...len-1), k=0...3
-; xcorr_kernel_neon: @ PROC
-xcorr_kernel_neon_start:
- @ input:
- @ r3 = int len
- @ r4 = opus_val16 *x
- @ r5 = opus_val16 *y
- @ q0 = opus_val32 sum[4]
- @ output:
- @ q0 = opus_val32 sum[4]
- @ preserved: r0-r3, r6-r11, d2, q4-q7, q9-q15
- @ internal usage:
- @ r12 = int j
- @ d3 = y_3|y_2|y_1|y_0
- @ q2 = y_B|y_A|y_9|y_8|y_7|y_6|y_5|y_4
- @ q3 = x_7|x_6|x_5|x_4|x_3|x_2|x_1|x_0
- @ q8 = scratch
- @
- @ Load y[0...3]
- @ This requires len>0 to always be valid (which we assert in the C code).
- VLD1.16 {d5}, [r5]!
- SUBS r12, r3, #8
- BLE xcorr_kernel_neon_process4
-@ Process 8 samples at a time.
-@ This loop loads one y value more than we actually need. Therefore we have to
-@ stop as soon as there are 8 or fewer samples left (instead of 7), to avoid
-@ reading past the end of the array.
-xcorr_kernel_neon_process8:
- @ This loop has 19 total instructions (10 cycles to issue, minimum), with
- @ - 2 cycles of ARM insrtuctions,
- @ - 10 cycles of load/store/byte permute instructions, and
- @ - 9 cycles of data processing instructions.
- @ On a Cortex A8, we dual-issue the maximum amount (9 cycles) between the
- @ latter two categories, meaning the whole loop should run in 10 cycles per
- @ iteration, barring cache misses.
- @
- @ Load x[0...7]
- VLD1.16 {d6, d7}, [r4]!
- @ Unlike VMOV, VAND is a data processsing instruction (and doesn't get
- @ assembled to VMOV, like VORR would), so it dual-issues with the prior VLD1.
- VAND d3, d5, d5
- SUBS r12, r12, #8
- @ Load y[4...11]
- VLD1.16 {d4, d5}, [r5]!
- VMLAL.S16 q0, d3, d6[0]
- VEXT.16 d16, d3, d4, #1
- VMLAL.S16 q0, d4, d7[0]
- VEXT.16 d17, d4, d5, #1
- VMLAL.S16 q0, d16, d6[1]
- VEXT.16 d16, d3, d4, #2
- VMLAL.S16 q0, d17, d7[1]
- VEXT.16 d17, d4, d5, #2
- VMLAL.S16 q0, d16, d6[2]
- VEXT.16 d16, d3, d4, #3
- VMLAL.S16 q0, d17, d7[2]
- VEXT.16 d17, d4, d5, #3
- VMLAL.S16 q0, d16, d6[3]
- VMLAL.S16 q0, d17, d7[3]
- BGT xcorr_kernel_neon_process8
-@ Process 4 samples here if we have > 4 left (still reading one extra y value).
-xcorr_kernel_neon_process4:
- ADDS r12, r12, #4
- BLE xcorr_kernel_neon_process2
- @ Load x[0...3]
- VLD1.16 d6, [r4]!
- @ Use VAND since it's a data processing instruction again.
- VAND d4, d5, d5
- SUB r12, r12, #4
- @ Load y[4...7]
- VLD1.16 d5, [r5]!
- VMLAL.S16 q0, d4, d6[0]
- VEXT.16 d16, d4, d5, #1
- VMLAL.S16 q0, d16, d6[1]
- VEXT.16 d16, d4, d5, #2
- VMLAL.S16 q0, d16, d6[2]
- VEXT.16 d16, d4, d5, #3
- VMLAL.S16 q0, d16, d6[3]
-@ Process 2 samples here if we have > 2 left (still reading one extra y value).
-xcorr_kernel_neon_process2:
- ADDS r12, r12, #2
- BLE xcorr_kernel_neon_process1
- @ Load x[0...1]
- VLD2.16 {d6[],d7[]}, [r4]!
- @ Use VAND since it's a data processing instruction again.
- VAND d4, d5, d5
- SUB r12, r12, #2
- @ Load y[4...5]
- VLD1.32 {d5[]}, [r5]!
- VMLAL.S16 q0, d4, d6
- VEXT.16 d16, d4, d5, #1
- @ Replace bottom copy of {y5,y4} in d5 with {y3,y2} from d4, using VSRI
- @ instead of VEXT, since it's a data-processing instruction.
- VSRI.64 d5, d4, #32
- VMLAL.S16 q0, d16, d7
-@ Process 1 sample using the extra y value we loaded above.
-xcorr_kernel_neon_process1:
- @ Load next *x
- VLD1.16 {d6[]}, [r4]!
- ADDS r12, r12, #1
- @ y[0...3] are left in d5 from prior iteration(s) (if any)
- VMLAL.S16 q0, d5, d6
- MOVLE pc, lr
-@ Now process 1 last sample, not reading ahead.
- @ Load last *y
- VLD1.16 {d4[]}, [r5]!
- VSRI.64 d4, d5, #16
- @ Load last *x
- VLD1.16 {d6[]}, [r4]!
- VMLAL.S16 q0, d4, d6
- MOV pc, lr
- .size xcorr_kernel_neon, .-xcorr_kernel_neon @ ENDP
-
-@ opus_val32 celt_pitch_xcorr_neon(opus_val16 *_x, opus_val16 *_y,
-@ opus_val32 *xcorr, int len, int max_pitch)
-; celt_pitch_xcorr_neon: @ PROC
- @ input:
- @ r0 = opus_val16 *_x
- @ r1 = opus_val16 *_y
- @ r2 = opus_val32 *xcorr
- @ r3 = int len
- @ output:
- @ r0 = int maxcorr
- @ internal usage:
- @ r4 = opus_val16 *x (for xcorr_kernel_neon())
- @ r5 = opus_val16 *y (for xcorr_kernel_neon())
- @ r6 = int max_pitch
- @ r12 = int j
- @ q15 = int maxcorr[4] (q15 is not used by xcorr_kernel_neon())
- STMFD sp!, {r4-r6, lr}
- LDR r6, [sp, #16]
- VMOV.S32 q15, #1
- @ if (max_pitch < 4) goto celt_pitch_xcorr_neon_process4_done
- SUBS r6, r6, #4
- BLT celt_pitch_xcorr_neon_process4_done
-celt_pitch_xcorr_neon_process4:
- @ xcorr_kernel_neon parameters:
- @ r3 = len, r4 = _x, r5 = _y, q0 = {0, 0, 0, 0}
- MOV r4, r0
- MOV r5, r1
- VEOR q0, q0, q0
- @ xcorr_kernel_neon only modifies r4, r5, r12, and q0...q3.
- @ So we don't save/restore any other registers.
- BL xcorr_kernel_neon_start
- SUBS r6, r6, #4
- VST1.32 {q0}, [r2]!
- @ _y += 4
- ADD r1, r1, #8
- VMAX.S32 q15, q15, q0
- @ if (max_pitch < 4) goto celt_pitch_xcorr_neon_process4_done
- BGE celt_pitch_xcorr_neon_process4
-@ We have less than 4 sums left to compute.
-celt_pitch_xcorr_neon_process4_done:
- ADDS r6, r6, #4
- @ Reduce maxcorr to a single value
- VMAX.S32 d30, d30, d31
- VPMAX.S32 d30, d30, d30
- @ if (max_pitch <= 0) goto celt_pitch_xcorr_neon_done
- BLE celt_pitch_xcorr_neon_done
-@ Now compute each remaining sum one at a time.
-celt_pitch_xcorr_neon_process_remaining:
- MOV r4, r0
- MOV r5, r1
- VMOV.I32 q0, #0
- SUBS r12, r3, #8
- BLT celt_pitch_xcorr_neon_process_remaining4
-@ Sum terms 8 at a time.
-celt_pitch_xcorr_neon_process_remaining_loop8:
- @ Load x[0...7]
- VLD1.16 {q1}, [r4]!
- @ Load y[0...7]
- VLD1.16 {q2}, [r5]!
- SUBS r12, r12, #8
- VMLAL.S16 q0, d4, d2
- VMLAL.S16 q0, d5, d3
- BGE celt_pitch_xcorr_neon_process_remaining_loop8
-@ Sum terms 4 at a time.
-celt_pitch_xcorr_neon_process_remaining4:
- ADDS r12, r12, #4
- BLT celt_pitch_xcorr_neon_process_remaining4_done
- @ Load x[0...3]
- VLD1.16 {d2}, [r4]!
- @ Load y[0...3]
- VLD1.16 {d3}, [r5]!
- SUB r12, r12, #4
- VMLAL.S16 q0, d3, d2
-celt_pitch_xcorr_neon_process_remaining4_done:
- @ Reduce the sum to a single value.
- VADD.S32 d0, d0, d1
- VPADDL.S32 d0, d0
- ADDS r12, r12, #4
- BLE celt_pitch_xcorr_neon_process_remaining_loop_done
-@ Sum terms 1 at a time.
-celt_pitch_xcorr_neon_process_remaining_loop1:
- VLD1.16 {d2[]}, [r4]!
- VLD1.16 {d3[]}, [r5]!
- SUBS r12, r12, #1
- VMLAL.S16 q0, d2, d3
- BGT celt_pitch_xcorr_neon_process_remaining_loop1
-celt_pitch_xcorr_neon_process_remaining_loop_done:
- VST1.32 {d0[0]}, [r2]!
- VMAX.S32 d30, d30, d0
- SUBS r6, r6, #1
- @ _y++
- ADD r1, r1, #2
- @ if (--max_pitch > 0) goto celt_pitch_xcorr_neon_process_remaining
- BGT celt_pitch_xcorr_neon_process_remaining
-celt_pitch_xcorr_neon_done:
- VMOV.32 r0, d30[0]
- LDMFD sp!, {r4-r6, pc}
- .size celt_pitch_xcorr_neon, .-celt_pitch_xcorr_neon @ ENDP
-
- .endif
-
- .if OPUS_ARM_MAY_HAVE_EDSP
-
-@ This will get used on ARMv7 devices without NEON, so it has been optimized
-@ to take advantage of dual-issuing where possible.
-; xcorr_kernel_edsp: @ PROC
-xcorr_kernel_edsp_start:
- @ input:
- @ r3 = int len
- @ r4 = opus_val16 *_x (must be 32-bit aligned)
- @ r5 = opus_val16 *_y (must be 32-bit aligned)
- @ r6...r9 = opus_val32 sum[4]
- @ output:
- @ r6...r9 = opus_val32 sum[4]
- @ preserved: r0-r5
- @ internal usage
- @ r2 = int j
- @ r12,r14 = opus_val16 x[4]
- @ r10,r11 = opus_val16 y[4]
- STMFD sp!, {r2,r4,r5,lr}
- LDR r10, [r5], #4 @ Load y[0...1]
- SUBS r2, r3, #4 @ j = len-4
- LDR r11, [r5], #4 @ Load y[2...3]
- BLE xcorr_kernel_edsp_process4_done
- LDR r12, [r4], #4 @ Load x[0...1]
- @ Stall
-xcorr_kernel_edsp_process4:
- @ The multiplies must issue from pipeline 0, and can't dual-issue with each
- @ other. Every other instruction here dual-issues with a multiply, and is
- @ thus "free". There should be no stalls in the body of the loop.
- SMLABB r6, r12, r10, r6 @ sum[0] = MAC16_16(sum[0],x_0,y_0)
- LDR r14, [r4], #4 @ Load x[2...3]
- SMLABT r7, r12, r10, r7 @ sum[1] = MAC16_16(sum[1],x_0,y_1)
- SUBS r2, r2, #4 @ j-=4
- SMLABB r8, r12, r11, r8 @ sum[2] = MAC16_16(sum[2],x_0,y_2)
- SMLABT r9, r12, r11, r9 @ sum[3] = MAC16_16(sum[3],x_0,y_3)
- SMLATT r6, r12, r10, r6 @ sum[0] = MAC16_16(sum[0],x_1,y_1)
- LDR r10, [r5], #4 @ Load y[4...5]
- SMLATB r7, r12, r11, r7 @ sum[1] = MAC16_16(sum[1],x_1,y_2)
- SMLATT r8, r12, r11, r8 @ sum[2] = MAC16_16(sum[2],x_1,y_3)
- SMLATB r9, r12, r10, r9 @ sum[3] = MAC16_16(sum[3],x_1,y_4)
- LDRGT r12, [r4], #4 @ Load x[0...1]
- SMLABB r6, r14, r11, r6 @ sum[0] = MAC16_16(sum[0],x_2,y_2)
- SMLABT r7, r14, r11, r7 @ sum[1] = MAC16_16(sum[1],x_2,y_3)
- SMLABB r8, r14, r10, r8 @ sum[2] = MAC16_16(sum[2],x_2,y_4)
- SMLABT r9, r14, r10, r9 @ sum[3] = MAC16_16(sum[3],x_2,y_5)
- SMLATT r6, r14, r11, r6 @ sum[0] = MAC16_16(sum[0],x_3,y_3)
- LDR r11, [r5], #4 @ Load y[6...7]
- SMLATB r7, r14, r10, r7 @ sum[1] = MAC16_16(sum[1],x_3,y_4)
- SMLATT r8, r14, r10, r8 @ sum[2] = MAC16_16(sum[2],x_3,y_5)
- SMLATB r9, r14, r11, r9 @ sum[3] = MAC16_16(sum[3],x_3,y_6)
- BGT xcorr_kernel_edsp_process4
-xcorr_kernel_edsp_process4_done:
- ADDS r2, r2, #4
- BLE xcorr_kernel_edsp_done
- LDRH r12, [r4], #2 @ r12 = *x++
- SUBS r2, r2, #1 @ j--
- @ Stall
- SMLABB r6, r12, r10, r6 @ sum[0] = MAC16_16(sum[0],x,y_0)
- LDRHGT r14, [r4], #2 @ r14 = *x++
- SMLABT r7, r12, r10, r7 @ sum[1] = MAC16_16(sum[1],x,y_1)
- SMLABB r8, r12, r11, r8 @ sum[2] = MAC16_16(sum[2],x,y_2)
- SMLABT r9, r12, r11, r9 @ sum[3] = MAC16_16(sum[3],x,y_3)
- BLE xcorr_kernel_edsp_done
- SMLABT r6, r14, r10, r6 @ sum[0] = MAC16_16(sum[0],x,y_1)
- SUBS r2, r2, #1 @ j--
- SMLABB r7, r14, r11, r7 @ sum[1] = MAC16_16(sum[1],x,y_2)
- LDRH r10, [r5], #2 @ r10 = y_4 = *y++
- SMLABT r8, r14, r11, r8 @ sum[2] = MAC16_16(sum[2],x,y_3)
- LDRHGT r12, [r4], #2 @ r12 = *x++
- SMLABB r9, r14, r10, r9 @ sum[3] = MAC16_16(sum[3],x,y_4)
- BLE xcorr_kernel_edsp_done
- SMLABB r6, r12, r11, r6 @ sum[0] = MAC16_16(sum[0],tmp,y_2)
- CMP r2, #1 @ j--
- SMLABT r7, r12, r11, r7 @ sum[1] = MAC16_16(sum[1],tmp,y_3)
- LDRH r2, [r5], #2 @ r2 = y_5 = *y++
- SMLABB r8, r12, r10, r8 @ sum[2] = MAC16_16(sum[2],tmp,y_4)
- LDRHGT r14, [r4] @ r14 = *x
- SMLABB r9, r12, r2, r9 @ sum[3] = MAC16_16(sum[3],tmp,y_5)
- BLE xcorr_kernel_edsp_done
- SMLABT r6, r14, r11, r6 @ sum[0] = MAC16_16(sum[0],tmp,y_3)
- LDRH r11, [r5] @ r11 = y_6 = *y
- SMLABB r7, r14, r10, r7 @ sum[1] = MAC16_16(sum[1],tmp,y_4)
- SMLABB r8, r14, r2, r8 @ sum[2] = MAC16_16(sum[2],tmp,y_5)
- SMLABB r9, r14, r11, r9 @ sum[3] = MAC16_16(sum[3],tmp,y_6)
-xcorr_kernel_edsp_done:
- LDMFD sp!, {r2,r4,r5,pc}
- .size xcorr_kernel_edsp, .-xcorr_kernel_edsp @ ENDP
-
-; celt_pitch_xcorr_edsp: @ PROC
- @ input:
- @ r0 = opus_val16 *_x (must be 32-bit aligned)
- @ r1 = opus_val16 *_y (only needs to be 16-bit aligned)
- @ r2 = opus_val32 *xcorr
- @ r3 = int len
- @ output:
- @ r0 = maxcorr
- @ internal usage
- @ r4 = opus_val16 *x
- @ r5 = opus_val16 *y
- @ r6 = opus_val32 sum0
- @ r7 = opus_val32 sum1
- @ r8 = opus_val32 sum2
- @ r9 = opus_val32 sum3
- @ r1 = int max_pitch
- @ r12 = int j
- STMFD sp!, {r4-r11, lr}
- MOV r5, r1
- LDR r1, [sp, #36]
- MOV r4, r0
- TST r5, #3
- @ maxcorr = 1
- MOV r0, #1
- BEQ celt_pitch_xcorr_edsp_process1u_done
-@ Compute one sum at the start to make y 32-bit aligned.
- SUBS r12, r3, #4
- @ r14 = sum = 0
- MOV r14, #0
- LDRH r8, [r5], #2
- BLE celt_pitch_xcorr_edsp_process1u_loop4_done
- LDR r6, [r4], #4
- MOV r8, r8, LSL #16
-celt_pitch_xcorr_edsp_process1u_loop4:
- LDR r9, [r5], #4
- SMLABT r14, r6, r8, r14 @ sum = MAC16_16(sum, x_0, y_0)
- LDR r7, [r4], #4
- SMLATB r14, r6, r9, r14 @ sum = MAC16_16(sum, x_1, y_1)
- LDR r8, [r5], #4
- SMLABT r14, r7, r9, r14 @ sum = MAC16_16(sum, x_2, y_2)
- SUBS r12, r12, #4 @ j-=4
- SMLATB r14, r7, r8, r14 @ sum = MAC16_16(sum, x_3, y_3)
- LDRGT r6, [r4], #4
- BGT celt_pitch_xcorr_edsp_process1u_loop4
- MOV r8, r8, LSR #16
-celt_pitch_xcorr_edsp_process1u_loop4_done:
- ADDS r12, r12, #4
-celt_pitch_xcorr_edsp_process1u_loop1:
- LDRHGE r6, [r4], #2
- @ Stall
- SMLABBGE r14, r6, r8, r14 @ sum = MAC16_16(sum, *x, *y)
- SUBSGE r12, r12, #1
- LDRHGT r8, [r5], #2
- BGT celt_pitch_xcorr_edsp_process1u_loop1
- @ Restore _x
- SUB r4, r4, r3, LSL #1
- @ Restore and advance _y
- SUB r5, r5, r3, LSL #1
- @ maxcorr = max(maxcorr, sum)
- CMP r0, r14
- ADD r5, r5, #2
- MOVLT r0, r14
- SUBS r1, r1, #1
- @ xcorr[i] = sum
- STR r14, [r2], #4
- BLE celt_pitch_xcorr_edsp_done
-celt_pitch_xcorr_edsp_process1u_done:
- @ if (max_pitch < 4) goto celt_pitch_xcorr_edsp_process2
- SUBS r1, r1, #4
- BLT celt_pitch_xcorr_edsp_process2
-celt_pitch_xcorr_edsp_process4:
- @ xcorr_kernel_edsp parameters:
- @ r3 = len, r4 = _x, r5 = _y, r6...r9 = sum[4] = {0, 0, 0, 0}
- MOV r6, #0
- MOV r7, #0
- MOV r8, #0
- MOV r9, #0
- BL xcorr_kernel_edsp_start @ xcorr_kernel_edsp(_x, _y+i, xcorr+i, len)
- @ maxcorr = max(maxcorr, sum0, sum1, sum2, sum3)
- CMP r0, r6
- @ _y+=4
- ADD r5, r5, #8
- MOVLT r0, r6
- CMP r0, r7
- MOVLT r0, r7
- CMP r0, r8
- MOVLT r0, r8
- CMP r0, r9
- MOVLT r0, r9
- STMIA r2!, {r6-r9}
- SUBS r1, r1, #4
- BGE celt_pitch_xcorr_edsp_process4
-celt_pitch_xcorr_edsp_process2:
- ADDS r1, r1, #2
- BLT celt_pitch_xcorr_edsp_process1a
- SUBS r12, r3, #4
- @ {r10, r11} = {sum0, sum1} = {0, 0}
- MOV r10, #0
- MOV r11, #0
- LDR r8, [r5], #4
- BLE celt_pitch_xcorr_edsp_process2_loop_done
- LDR r6, [r4], #4
- LDR r9, [r5], #4
-celt_pitch_xcorr_edsp_process2_loop4:
- SMLABB r10, r6, r8, r10 @ sum0 = MAC16_16(sum0, x_0, y_0)
- LDR r7, [r4], #4
- SMLABT r11, r6, r8, r11 @ sum1 = MAC16_16(sum1, x_0, y_1)
- SUBS r12, r12, #4 @ j-=4
- SMLATT r10, r6, r8, r10 @ sum0 = MAC16_16(sum0, x_1, y_1)
- LDR r8, [r5], #4
- SMLATB r11, r6, r9, r11 @ sum1 = MAC16_16(sum1, x_1, y_2)
- LDRGT r6, [r4], #4
- SMLABB r10, r7, r9, r10 @ sum0 = MAC16_16(sum0, x_2, y_2)
- SMLABT r11, r7, r9, r11 @ sum1 = MAC16_16(sum1, x_2, y_3)
- SMLATT r10, r7, r9, r10 @ sum0 = MAC16_16(sum0, x_3, y_3)
- LDRGT r9, [r5], #4
- SMLATB r11, r7, r8, r11 @ sum1 = MAC16_16(sum1, x_3, y_4)
- BGT celt_pitch_xcorr_edsp_process2_loop4
-celt_pitch_xcorr_edsp_process2_loop_done:
- ADDS r12, r12, #2
- BLE celt_pitch_xcorr_edsp_process2_1
- LDR r6, [r4], #4
- @ Stall
- SMLABB r10, r6, r8, r10 @ sum0 = MAC16_16(sum0, x_0, y_0)
- LDR r9, [r5], #4
- SMLABT r11, r6, r8, r11 @ sum1 = MAC16_16(sum1, x_0, y_1)
- SUB r12, r12, #2
- SMLATT r10, r6, r8, r10 @ sum0 = MAC16_16(sum0, x_1, y_1)
- MOV r8, r9
- SMLATB r11, r6, r9, r11 @ sum1 = MAC16_16(sum1, x_1, y_2)
-celt_pitch_xcorr_edsp_process2_1:
- LDRH r6, [r4], #2
- ADDS r12, r12, #1
- @ Stall
- SMLABB r10, r6, r8, r10 @ sum0 = MAC16_16(sum0, x_0, y_0)
- LDRHGT r7, [r4], #2
- SMLABT r11, r6, r8, r11 @ sum1 = MAC16_16(sum1, x_0, y_1)
- BLE celt_pitch_xcorr_edsp_process2_done
- LDRH r9, [r5], #2
- SMLABT r10, r7, r8, r10 @ sum0 = MAC16_16(sum0, x_0, y_1)
- SMLABB r11, r7, r9, r11 @ sum1 = MAC16_16(sum1, x_0, y_2)
-celt_pitch_xcorr_edsp_process2_done:
- @ Restore _x
- SUB r4, r4, r3, LSL #1
- @ Restore and advance _y
- SUB r5, r5, r3, LSL #1
- @ maxcorr = max(maxcorr, sum0)
- CMP r0, r10
- ADD r5, r5, #2
- MOVLT r0, r10
- SUB r1, r1, #2
- @ maxcorr = max(maxcorr, sum1)
- CMP r0, r11
- @ xcorr[i] = sum
- STR r10, [r2], #4
- MOVLT r0, r11
- STR r11, [r2], #4
-celt_pitch_xcorr_edsp_process1a:
- ADDS r1, r1, #1
- BLT celt_pitch_xcorr_edsp_done
- SUBS r12, r3, #4
- @ r14 = sum = 0
- MOV r14, #0
- BLT celt_pitch_xcorr_edsp_process1a_loop_done
- LDR r6, [r4], #4
- LDR r8, [r5], #4
- LDR r7, [r4], #4
- LDR r9, [r5], #4
-celt_pitch_xcorr_edsp_process1a_loop4:
- SMLABB r14, r6, r8, r14 @ sum = MAC16_16(sum, x_0, y_0)
- SUBS r12, r12, #4 @ j-=4
- SMLATT r14, r6, r8, r14 @ sum = MAC16_16(sum, x_1, y_1)
- LDRGE r6, [r4], #4
- SMLABB r14, r7, r9, r14 @ sum = MAC16_16(sum, x_2, y_2)
- LDRGE r8, [r5], #4
- SMLATT r14, r7, r9, r14 @ sum = MAC16_16(sum, x_3, y_3)
- LDRGE r7, [r4], #4
- LDRGE r9, [r5], #4
- BGE celt_pitch_xcorr_edsp_process1a_loop4
-celt_pitch_xcorr_edsp_process1a_loop_done:
- ADDS r12, r12, #2
- LDRGE r6, [r4], #4
- LDRGE r8, [r5], #4
- @ Stall
- SMLABBGE r14, r6, r8, r14 @ sum = MAC16_16(sum, x_0, y_0)
- SUBGE r12, r12, #2
- SMLATTGE r14, r6, r8, r14 @ sum = MAC16_16(sum, x_1, y_1)
- ADDS r12, r12, #1
- LDRHGE r6, [r4], #2
- LDRHGE r8, [r5], #2
- @ Stall
- SMLABBGE r14, r6, r8, r14 @ sum = MAC16_16(sum, *x, *y)
- @ maxcorr = max(maxcorr, sum)
- CMP r0, r14
- @ xcorr[i] = sum
- STR r14, [r2], #4
- MOVLT r0, r14
-celt_pitch_xcorr_edsp_done:
- LDMFD sp!, {r4-r11, pc}
- .size celt_pitch_xcorr_edsp, .-celt_pitch_xcorr_edsp @ ENDP
-
- .endif
-
-@ END:
- .section .note.GNU-stack,"",%progbits
diff --git a/drivers/opus/celt/arm/celt_pitch_xcorr_arm.s b/drivers/opus/celt/arm/celt_pitch_xcorr_arm.s
deleted file mode 100644
index f96e0a88bb..0000000000
--- a/drivers/opus/celt/arm/celt_pitch_xcorr_arm.s
+++ /dev/null
@@ -1,547 +0,0 @@
-; Copyright (c) 2007-2008 CSIRO
-; Copyright (c) 2007-2009 Xiph.Org Foundation
-; Copyright (c) 2013 Parrot
-; Written by Aurélien Zanelli
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
-; OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- AREA |.text|, CODE, READONLY
-
- GET celt/arm/armopts.s
-
-IF OPUS_ARM_MAY_HAVE_EDSP
- EXPORT celt_pitch_xcorr_edsp
-ENDIF
-
-IF OPUS_ARM_MAY_HAVE_NEON
- EXPORT celt_pitch_xcorr_neon
-ENDIF
-
-IF OPUS_ARM_MAY_HAVE_NEON
-
-; Compute sum[k]=sum(x[j]*y[j+k],j=0...len-1), k=0...3
-xcorr_kernel_neon PROC
-xcorr_kernel_neon_start
- ; input:
- ; r3 = int len
- ; r4 = opus_val16 *x
- ; r5 = opus_val16 *y
- ; q0 = opus_val32 sum[4]
- ; output:
- ; q0 = opus_val32 sum[4]
- ; preserved: r0-r3, r6-r11, d2, q4-q7, q9-q15
- ; internal usage:
- ; r12 = int j
- ; d3 = y_3|y_2|y_1|y_0
- ; q2 = y_B|y_A|y_9|y_8|y_7|y_6|y_5|y_4
- ; q3 = x_7|x_6|x_5|x_4|x_3|x_2|x_1|x_0
- ; q8 = scratch
- ;
- ; Load y[0...3]
- ; This requires len>0 to always be valid (which we assert in the C code).
- VLD1.16 {d5}, [r5]!
- SUBS r12, r3, #8
- BLE xcorr_kernel_neon_process4
-; Process 8 samples at a time.
-; This loop loads one y value more than we actually need. Therefore we have to
-; stop as soon as there are 8 or fewer samples left (instead of 7), to avoid
-; reading past the end of the array.
-xcorr_kernel_neon_process8
- ; This loop has 19 total instructions (10 cycles to issue, minimum), with
- ; - 2 cycles of ARM insrtuctions,
- ; - 10 cycles of load/store/byte permute instructions, and
- ; - 9 cycles of data processing instructions.
- ; On a Cortex A8, we dual-issue the maximum amount (9 cycles) between the
- ; latter two categories, meaning the whole loop should run in 10 cycles per
- ; iteration, barring cache misses.
- ;
- ; Load x[0...7]
- VLD1.16 {d6, d7}, [r4]!
- ; Unlike VMOV, VAND is a data processsing instruction (and doesn't get
- ; assembled to VMOV, like VORR would), so it dual-issues with the prior VLD1.
- VAND d3, d5, d5
- SUBS r12, r12, #8
- ; Load y[4...11]
- VLD1.16 {d4, d5}, [r5]!
- VMLAL.S16 q0, d3, d6[0]
- VEXT.16 d16, d3, d4, #1
- VMLAL.S16 q0, d4, d7[0]
- VEXT.16 d17, d4, d5, #1
- VMLAL.S16 q0, d16, d6[1]
- VEXT.16 d16, d3, d4, #2
- VMLAL.S16 q0, d17, d7[1]
- VEXT.16 d17, d4, d5, #2
- VMLAL.S16 q0, d16, d6[2]
- VEXT.16 d16, d3, d4, #3
- VMLAL.S16 q0, d17, d7[2]
- VEXT.16 d17, d4, d5, #3
- VMLAL.S16 q0, d16, d6[3]
- VMLAL.S16 q0, d17, d7[3]
- BGT xcorr_kernel_neon_process8
-; Process 4 samples here if we have > 4 left (still reading one extra y value).
-xcorr_kernel_neon_process4
- ADDS r12, r12, #4
- BLE xcorr_kernel_neon_process2
- ; Load x[0...3]
- VLD1.16 d6, [r4]!
- ; Use VAND since it's a data processing instruction again.
- VAND d4, d5, d5
- SUB r12, r12, #4
- ; Load y[4...7]
- VLD1.16 d5, [r5]!
- VMLAL.S16 q0, d4, d6[0]
- VEXT.16 d16, d4, d5, #1
- VMLAL.S16 q0, d16, d6[1]
- VEXT.16 d16, d4, d5, #2
- VMLAL.S16 q0, d16, d6[2]
- VEXT.16 d16, d4, d5, #3
- VMLAL.S16 q0, d16, d6[3]
-; Process 2 samples here if we have > 2 left (still reading one extra y value).
-xcorr_kernel_neon_process2
- ADDS r12, r12, #2
- BLE xcorr_kernel_neon_process1
- ; Load x[0...1]
- VLD2.16 {d6[],d7[]}, [r4]!
- ; Use VAND since it's a data processing instruction again.
- VAND d4, d5, d5
- SUB r12, r12, #2
- ; Load y[4...5]
- VLD1.32 {d5[]}, [r5]!
- VMLAL.S16 q0, d4, d6
- VEXT.16 d16, d4, d5, #1
- ; Replace bottom copy of {y5,y4} in d5 with {y3,y2} from d4, using VSRI
- ; instead of VEXT, since it's a data-processing instruction.
- VSRI.64 d5, d4, #32
- VMLAL.S16 q0, d16, d7
-; Process 1 sample using the extra y value we loaded above.
-xcorr_kernel_neon_process1
- ; Load next *x
- VLD1.16 {d6[]}, [r4]!
- ADDS r12, r12, #1
- ; y[0...3] are left in d5 from prior iteration(s) (if any)
- VMLAL.S16 q0, d5, d6
- MOVLE pc, lr
-; Now process 1 last sample, not reading ahead.
- ; Load last *y
- VLD1.16 {d4[]}, [r5]!
- VSRI.64 d4, d5, #16
- ; Load last *x
- VLD1.16 {d6[]}, [r4]!
- VMLAL.S16 q0, d4, d6
- MOV pc, lr
- ENDP
-
-; opus_val32 celt_pitch_xcorr_neon(opus_val16 *_x, opus_val16 *_y,
-; opus_val32 *xcorr, int len, int max_pitch)
-celt_pitch_xcorr_neon PROC
- ; input:
- ; r0 = opus_val16 *_x
- ; r1 = opus_val16 *_y
- ; r2 = opus_val32 *xcorr
- ; r3 = int len
- ; output:
- ; r0 = int maxcorr
- ; internal usage:
- ; r4 = opus_val16 *x (for xcorr_kernel_neon())
- ; r5 = opus_val16 *y (for xcorr_kernel_neon())
- ; r6 = int max_pitch
- ; r12 = int j
- ; q15 = int maxcorr[4] (q15 is not used by xcorr_kernel_neon())
- STMFD sp!, {r4-r6, lr}
- LDR r6, [sp, #16]
- VMOV.S32 q15, #1
- ; if (max_pitch < 4) goto celt_pitch_xcorr_neon_process4_done
- SUBS r6, r6, #4
- BLT celt_pitch_xcorr_neon_process4_done
-celt_pitch_xcorr_neon_process4
- ; xcorr_kernel_neon parameters:
- ; r3 = len, r4 = _x, r5 = _y, q0 = {0, 0, 0, 0}
- MOV r4, r0
- MOV r5, r1
- VEOR q0, q0, q0
- ; xcorr_kernel_neon only modifies r4, r5, r12, and q0...q3.
- ; So we don't save/restore any other registers.
- BL xcorr_kernel_neon_start
- SUBS r6, r6, #4
- VST1.32 {q0}, [r2]!
- ; _y += 4
- ADD r1, r1, #8
- VMAX.S32 q15, q15, q0
- ; if (max_pitch < 4) goto celt_pitch_xcorr_neon_process4_done
- BGE celt_pitch_xcorr_neon_process4
-; We have less than 4 sums left to compute.
-celt_pitch_xcorr_neon_process4_done
- ADDS r6, r6, #4
- ; Reduce maxcorr to a single value
- VMAX.S32 d30, d30, d31
- VPMAX.S32 d30, d30, d30
- ; if (max_pitch <= 0) goto celt_pitch_xcorr_neon_done
- BLE celt_pitch_xcorr_neon_done
-; Now compute each remaining sum one at a time.
-celt_pitch_xcorr_neon_process_remaining
- MOV r4, r0
- MOV r5, r1
- VMOV.I32 q0, #0
- SUBS r12, r3, #8
- BLT celt_pitch_xcorr_neon_process_remaining4
-; Sum terms 8 at a time.
-celt_pitch_xcorr_neon_process_remaining_loop8
- ; Load x[0...7]
- VLD1.16 {q1}, [r4]!
- ; Load y[0...7]
- VLD1.16 {q2}, [r5]!
- SUBS r12, r12, #8
- VMLAL.S16 q0, d4, d2
- VMLAL.S16 q0, d5, d3
- BGE celt_pitch_xcorr_neon_process_remaining_loop8
-; Sum terms 4 at a time.
-celt_pitch_xcorr_neon_process_remaining4
- ADDS r12, r12, #4
- BLT celt_pitch_xcorr_neon_process_remaining4_done
- ; Load x[0...3]
- VLD1.16 {d2}, [r4]!
- ; Load y[0...3]
- VLD1.16 {d3}, [r5]!
- SUB r12, r12, #4
- VMLAL.S16 q0, d3, d2
-celt_pitch_xcorr_neon_process_remaining4_done
- ; Reduce the sum to a single value.
- VADD.S32 d0, d0, d1
- VPADDL.S32 d0, d0
- ADDS r12, r12, #4
- BLE celt_pitch_xcorr_neon_process_remaining_loop_done
-; Sum terms 1 at a time.
-celt_pitch_xcorr_neon_process_remaining_loop1
- VLD1.16 {d2[]}, [r4]!
- VLD1.16 {d3[]}, [r5]!
- SUBS r12, r12, #1
- VMLAL.S16 q0, d2, d3
- BGT celt_pitch_xcorr_neon_process_remaining_loop1
-celt_pitch_xcorr_neon_process_remaining_loop_done
- VST1.32 {d0[0]}, [r2]!
- VMAX.S32 d30, d30, d0
- SUBS r6, r6, #1
- ; _y++
- ADD r1, r1, #2
- ; if (--max_pitch > 0) goto celt_pitch_xcorr_neon_process_remaining
- BGT celt_pitch_xcorr_neon_process_remaining
-celt_pitch_xcorr_neon_done
- VMOV.32 r0, d30[0]
- LDMFD sp!, {r4-r6, pc}
- ENDP
-
-ENDIF
-
-IF OPUS_ARM_MAY_HAVE_EDSP
-
-; This will get used on ARMv7 devices without NEON, so it has been optimized
-; to take advantage of dual-issuing where possible.
-xcorr_kernel_edsp PROC
-xcorr_kernel_edsp_start
- ; input:
- ; r3 = int len
- ; r4 = opus_val16 *_x (must be 32-bit aligned)
- ; r5 = opus_val16 *_y (must be 32-bit aligned)
- ; r6...r9 = opus_val32 sum[4]
- ; output:
- ; r6...r9 = opus_val32 sum[4]
- ; preserved: r0-r5
- ; internal usage
- ; r2 = int j
- ; r12,r14 = opus_val16 x[4]
- ; r10,r11 = opus_val16 y[4]
- STMFD sp!, {r2,r4,r5,lr}
- LDR r10, [r5], #4 ; Load y[0...1]
- SUBS r2, r3, #4 ; j = len-4
- LDR r11, [r5], #4 ; Load y[2...3]
- BLE xcorr_kernel_edsp_process4_done
- LDR r12, [r4], #4 ; Load x[0...1]
- ; Stall
-xcorr_kernel_edsp_process4
- ; The multiplies must issue from pipeline 0, and can't dual-issue with each
- ; other. Every other instruction here dual-issues with a multiply, and is
- ; thus "free". There should be no stalls in the body of the loop.
- SMLABB r6, r12, r10, r6 ; sum[0] = MAC16_16(sum[0],x_0,y_0)
- LDR r14, [r4], #4 ; Load x[2...3]
- SMLABT r7, r12, r10, r7 ; sum[1] = MAC16_16(sum[1],x_0,y_1)
- SUBS r2, r2, #4 ; j-=4
- SMLABB r8, r12, r11, r8 ; sum[2] = MAC16_16(sum[2],x_0,y_2)
- SMLABT r9, r12, r11, r9 ; sum[3] = MAC16_16(sum[3],x_0,y_3)
- SMLATT r6, r12, r10, r6 ; sum[0] = MAC16_16(sum[0],x_1,y_1)
- LDR r10, [r5], #4 ; Load y[4...5]
- SMLATB r7, r12, r11, r7 ; sum[1] = MAC16_16(sum[1],x_1,y_2)
- SMLATT r8, r12, r11, r8 ; sum[2] = MAC16_16(sum[2],x_1,y_3)
- SMLATB r9, r12, r10, r9 ; sum[3] = MAC16_16(sum[3],x_1,y_4)
- LDRGT r12, [r4], #4 ; Load x[0...1]
- SMLABB r6, r14, r11, r6 ; sum[0] = MAC16_16(sum[0],x_2,y_2)
- SMLABT r7, r14, r11, r7 ; sum[1] = MAC16_16(sum[1],x_2,y_3)
- SMLABB r8, r14, r10, r8 ; sum[2] = MAC16_16(sum[2],x_2,y_4)
- SMLABT r9, r14, r10, r9 ; sum[3] = MAC16_16(sum[3],x_2,y_5)
- SMLATT r6, r14, r11, r6 ; sum[0] = MAC16_16(sum[0],x_3,y_3)
- LDR r11, [r5], #4 ; Load y[6...7]
- SMLATB r7, r14, r10, r7 ; sum[1] = MAC16_16(sum[1],x_3,y_4)
- SMLATT r8, r14, r10, r8 ; sum[2] = MAC16_16(sum[2],x_3,y_5)
- SMLATB r9, r14, r11, r9 ; sum[3] = MAC16_16(sum[3],x_3,y_6)
- BGT xcorr_kernel_edsp_process4
-xcorr_kernel_edsp_process4_done
- ADDS r2, r2, #4
- BLE xcorr_kernel_edsp_done
- LDRH r12, [r4], #2 ; r12 = *x++
- SUBS r2, r2, #1 ; j--
- ; Stall
- SMLABB r6, r12, r10, r6 ; sum[0] = MAC16_16(sum[0],x,y_0)
- LDRHGT r14, [r4], #2 ; r14 = *x++
- SMLABT r7, r12, r10, r7 ; sum[1] = MAC16_16(sum[1],x,y_1)
- SMLABB r8, r12, r11, r8 ; sum[2] = MAC16_16(sum[2],x,y_2)
- SMLABT r9, r12, r11, r9 ; sum[3] = MAC16_16(sum[3],x,y_3)
- BLE xcorr_kernel_edsp_done
- SMLABT r6, r14, r10, r6 ; sum[0] = MAC16_16(sum[0],x,y_1)
- SUBS r2, r2, #1 ; j--
- SMLABB r7, r14, r11, r7 ; sum[1] = MAC16_16(sum[1],x,y_2)
- LDRH r10, [r5], #2 ; r10 = y_4 = *y++
- SMLABT r8, r14, r11, r8 ; sum[2] = MAC16_16(sum[2],x,y_3)
- LDRHGT r12, [r4], #2 ; r12 = *x++
- SMLABB r9, r14, r10, r9 ; sum[3] = MAC16_16(sum[3],x,y_4)
- BLE xcorr_kernel_edsp_done
- SMLABB r6, r12, r11, r6 ; sum[0] = MAC16_16(sum[0],tmp,y_2)
- CMP r2, #1 ; j--
- SMLABT r7, r12, r11, r7 ; sum[1] = MAC16_16(sum[1],tmp,y_3)
- LDRH r2, [r5], #2 ; r2 = y_5 = *y++
- SMLABB r8, r12, r10, r8 ; sum[2] = MAC16_16(sum[2],tmp,y_4)
- LDRHGT r14, [r4] ; r14 = *x
- SMLABB r9, r12, r2, r9 ; sum[3] = MAC16_16(sum[3],tmp,y_5)
- BLE xcorr_kernel_edsp_done
- SMLABT r6, r14, r11, r6 ; sum[0] = MAC16_16(sum[0],tmp,y_3)
- LDRH r11, [r5] ; r11 = y_6 = *y
- SMLABB r7, r14, r10, r7 ; sum[1] = MAC16_16(sum[1],tmp,y_4)
- SMLABB r8, r14, r2, r8 ; sum[2] = MAC16_16(sum[2],tmp,y_5)
- SMLABB r9, r14, r11, r9 ; sum[3] = MAC16_16(sum[3],tmp,y_6)
-xcorr_kernel_edsp_done
- LDMFD sp!, {r2,r4,r5,pc}
- ENDP
-
-celt_pitch_xcorr_edsp PROC
- ; input:
- ; r0 = opus_val16 *_x (must be 32-bit aligned)
- ; r1 = opus_val16 *_y (only needs to be 16-bit aligned)
- ; r2 = opus_val32 *xcorr
- ; r3 = int len
- ; output:
- ; r0 = maxcorr
- ; internal usage
- ; r4 = opus_val16 *x
- ; r5 = opus_val16 *y
- ; r6 = opus_val32 sum0
- ; r7 = opus_val32 sum1
- ; r8 = opus_val32 sum2
- ; r9 = opus_val32 sum3
- ; r1 = int max_pitch
- ; r12 = int j
- STMFD sp!, {r4-r11, lr}
- MOV r5, r1
- LDR r1, [sp, #36]
- MOV r4, r0
- TST r5, #3
- ; maxcorr = 1
- MOV r0, #1
- BEQ celt_pitch_xcorr_edsp_process1u_done
-; Compute one sum at the start to make y 32-bit aligned.
- SUBS r12, r3, #4
- ; r14 = sum = 0
- MOV r14, #0
- LDRH r8, [r5], #2
- BLE celt_pitch_xcorr_edsp_process1u_loop4_done
- LDR r6, [r4], #4
- MOV r8, r8, LSL #16
-celt_pitch_xcorr_edsp_process1u_loop4
- LDR r9, [r5], #4
- SMLABT r14, r6, r8, r14 ; sum = MAC16_16(sum, x_0, y_0)
- LDR r7, [r4], #4
- SMLATB r14, r6, r9, r14 ; sum = MAC16_16(sum, x_1, y_1)
- LDR r8, [r5], #4
- SMLABT r14, r7, r9, r14 ; sum = MAC16_16(sum, x_2, y_2)
- SUBS r12, r12, #4 ; j-=4
- SMLATB r14, r7, r8, r14 ; sum = MAC16_16(sum, x_3, y_3)
- LDRGT r6, [r4], #4
- BGT celt_pitch_xcorr_edsp_process1u_loop4
- MOV r8, r8, LSR #16
-celt_pitch_xcorr_edsp_process1u_loop4_done
- ADDS r12, r12, #4
-celt_pitch_xcorr_edsp_process1u_loop1
- LDRHGE r6, [r4], #2
- ; Stall
- SMLABBGE r14, r6, r8, r14 ; sum = MAC16_16(sum, *x, *y)
- SUBSGE r12, r12, #1
- LDRHGT r8, [r5], #2
- BGT celt_pitch_xcorr_edsp_process1u_loop1
- ; Restore _x
- SUB r4, r4, r3, LSL #1
- ; Restore and advance _y
- SUB r5, r5, r3, LSL #1
- ; maxcorr = max(maxcorr, sum)
- CMP r0, r14
- ADD r5, r5, #2
- MOVLT r0, r14
- SUBS r1, r1, #1
- ; xcorr[i] = sum
- STR r14, [r2], #4
- BLE celt_pitch_xcorr_edsp_done
-celt_pitch_xcorr_edsp_process1u_done
- ; if (max_pitch < 4) goto celt_pitch_xcorr_edsp_process2
- SUBS r1, r1, #4
- BLT celt_pitch_xcorr_edsp_process2
-celt_pitch_xcorr_edsp_process4
- ; xcorr_kernel_edsp parameters:
- ; r3 = len, r4 = _x, r5 = _y, r6...r9 = sum[4] = {0, 0, 0, 0}
- MOV r6, #0
- MOV r7, #0
- MOV r8, #0
- MOV r9, #0
- BL xcorr_kernel_edsp_start ; xcorr_kernel_edsp(_x, _y+i, xcorr+i, len)
- ; maxcorr = max(maxcorr, sum0, sum1, sum2, sum3)
- CMP r0, r6
- ; _y+=4
- ADD r5, r5, #8
- MOVLT r0, r6
- CMP r0, r7
- MOVLT r0, r7
- CMP r0, r8
- MOVLT r0, r8
- CMP r0, r9
- MOVLT r0, r9
- STMIA r2!, {r6-r9}
- SUBS r1, r1, #4
- BGE celt_pitch_xcorr_edsp_process4
-celt_pitch_xcorr_edsp_process2
- ADDS r1, r1, #2
- BLT celt_pitch_xcorr_edsp_process1a
- SUBS r12, r3, #4
- ; {r10, r11} = {sum0, sum1} = {0, 0}
- MOV r10, #0
- MOV r11, #0
- LDR r8, [r5], #4
- BLE celt_pitch_xcorr_edsp_process2_loop_done
- LDR r6, [r4], #4
- LDR r9, [r5], #4
-celt_pitch_xcorr_edsp_process2_loop4
- SMLABB r10, r6, r8, r10 ; sum0 = MAC16_16(sum0, x_0, y_0)
- LDR r7, [r4], #4
- SMLABT r11, r6, r8, r11 ; sum1 = MAC16_16(sum1, x_0, y_1)
- SUBS r12, r12, #4 ; j-=4
- SMLATT r10, r6, r8, r10 ; sum0 = MAC16_16(sum0, x_1, y_1)
- LDR r8, [r5], #4
- SMLATB r11, r6, r9, r11 ; sum1 = MAC16_16(sum1, x_1, y_2)
- LDRGT r6, [r4], #4
- SMLABB r10, r7, r9, r10 ; sum0 = MAC16_16(sum0, x_2, y_2)
- SMLABT r11, r7, r9, r11 ; sum1 = MAC16_16(sum1, x_2, y_3)
- SMLATT r10, r7, r9, r10 ; sum0 = MAC16_16(sum0, x_3, y_3)
- LDRGT r9, [r5], #4
- SMLATB r11, r7, r8, r11 ; sum1 = MAC16_16(sum1, x_3, y_4)
- BGT celt_pitch_xcorr_edsp_process2_loop4
-celt_pitch_xcorr_edsp_process2_loop_done
- ADDS r12, r12, #2
- BLE celt_pitch_xcorr_edsp_process2_1
- LDR r6, [r4], #4
- ; Stall
- SMLABB r10, r6, r8, r10 ; sum0 = MAC16_16(sum0, x_0, y_0)
- LDR r9, [r5], #4
- SMLABT r11, r6, r8, r11 ; sum1 = MAC16_16(sum1, x_0, y_1)
- SUB r12, r12, #2
- SMLATT r10, r6, r8, r10 ; sum0 = MAC16_16(sum0, x_1, y_1)
- MOV r8, r9
- SMLATB r11, r6, r9, r11 ; sum1 = MAC16_16(sum1, x_1, y_2)
-celt_pitch_xcorr_edsp_process2_1
- LDRH r6, [r4], #2
- ADDS r12, r12, #1
- ; Stall
- SMLABB r10, r6, r8, r10 ; sum0 = MAC16_16(sum0, x_0, y_0)
- LDRHGT r7, [r4], #2
- SMLABT r11, r6, r8, r11 ; sum1 = MAC16_16(sum1, x_0, y_1)
- BLE celt_pitch_xcorr_edsp_process2_done
- LDRH r9, [r5], #2
- SMLABT r10, r7, r8, r10 ; sum0 = MAC16_16(sum0, x_0, y_1)
- SMLABB r11, r7, r9, r11 ; sum1 = MAC16_16(sum1, x_0, y_2)
-celt_pitch_xcorr_edsp_process2_done
- ; Restore _x
- SUB r4, r4, r3, LSL #1
- ; Restore and advance _y
- SUB r5, r5, r3, LSL #1
- ; maxcorr = max(maxcorr, sum0)
- CMP r0, r10
- ADD r5, r5, #2
- MOVLT r0, r10
- SUB r1, r1, #2
- ; maxcorr = max(maxcorr, sum1)
- CMP r0, r11
- ; xcorr[i] = sum
- STR r10, [r2], #4
- MOVLT r0, r11
- STR r11, [r2], #4
-celt_pitch_xcorr_edsp_process1a
- ADDS r1, r1, #1
- BLT celt_pitch_xcorr_edsp_done
- SUBS r12, r3, #4
- ; r14 = sum = 0
- MOV r14, #0
- BLT celt_pitch_xcorr_edsp_process1a_loop_done
- LDR r6, [r4], #4
- LDR r8, [r5], #4
- LDR r7, [r4], #4
- LDR r9, [r5], #4
-celt_pitch_xcorr_edsp_process1a_loop4
- SMLABB r14, r6, r8, r14 ; sum = MAC16_16(sum, x_0, y_0)
- SUBS r12, r12, #4 ; j-=4
- SMLATT r14, r6, r8, r14 ; sum = MAC16_16(sum, x_1, y_1)
- LDRGE r6, [r4], #4
- SMLABB r14, r7, r9, r14 ; sum = MAC16_16(sum, x_2, y_2)
- LDRGE r8, [r5], #4
- SMLATT r14, r7, r9, r14 ; sum = MAC16_16(sum, x_3, y_3)
- LDRGE r7, [r4], #4
- LDRGE r9, [r5], #4
- BGE celt_pitch_xcorr_edsp_process1a_loop4
-celt_pitch_xcorr_edsp_process1a_loop_done
- ADDS r12, r12, #2
- LDRGE r6, [r4], #4
- LDRGE r8, [r5], #4
- ; Stall
- SMLABBGE r14, r6, r8, r14 ; sum = MAC16_16(sum, x_0, y_0)
- SUBGE r12, r12, #2
- SMLATTGE r14, r6, r8, r14 ; sum = MAC16_16(sum, x_1, y_1)
- ADDS r12, r12, #1
- LDRHGE r6, [r4], #2
- LDRHGE r8, [r5], #2
- ; Stall
- SMLABBGE r14, r6, r8, r14 ; sum = MAC16_16(sum, *x, *y)
- ; maxcorr = max(maxcorr, sum)
- CMP r0, r14
- ; xcorr[i] = sum
- STR r14, [r2], #4
- MOVLT r0, r14
-celt_pitch_xcorr_edsp_done
- LDMFD sp!, {r4-r11, pc}
- ENDP
-
-ENDIF
-
-END
diff --git a/drivers/opus/celt/arm/fft_arm.h b/drivers/opus/celt/arm/fft_arm.h
deleted file mode 100644
index c99458b4af..0000000000
--- a/drivers/opus/celt/arm/fft_arm.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright (c) 2015 Xiph.Org Foundation
- Written by Viswanath Puttagunta */
-/**
- @file fft_arm.h
- @brief ARM Neon Intrinsic optimizations for fft using NE10 library
- */
-
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-
-#if !defined(FFT_ARM_H)
-#define FFT_ARM_H
-
-#include "opus/opus_config.h"
-#include "opus/celt/kiss_fft.h"
-
-#if defined(HAVE_ARM_NE10)
-
-int opus_fft_alloc_arm_neon(kiss_fft_state *st);
-void opus_fft_free_arm_neon(kiss_fft_state *st);
-
-void opus_fft_neon(const kiss_fft_state *st,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout);
-
-void opus_ifft_neon(const kiss_fft_state *st,
- const kiss_fft_cpx *fin,
- kiss_fft_cpx *fout);
-
-#if !defined(OPUS_HAVE_RTCD)
-#define OVERRIDE_OPUS_FFT (1)
-
-#define opus_fft_alloc_arch(_st, arch) \
- ((void)(arch), opus_fft_alloc_arm_neon(_st))
-
-#define opus_fft_free_arch(_st, arch) \
- ((void)(arch), opus_fft_free_arm_neon(_st))
-
-#define opus_fft(_st, _fin, _fout, arch) \
- ((void)(arch), opus_fft_neon(_st, _fin, _fout))
-
-#define opus_ifft(_st, _fin, _fout, arch) \
- ((void)(arch), opus_ifft_neon(_st, _fin, _fout))
-
-#endif /* OPUS_HAVE_RTCD */
-
-#endif /* HAVE_ARM_NE10 */
-
-#endif
diff --git a/drivers/opus/celt/arm/fixed_armv4.h b/drivers/opus/celt/arm/fixed_armv4.h
deleted file mode 100644
index efb3b1896a..0000000000
--- a/drivers/opus/celt/arm/fixed_armv4.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/* Copyright (C) 2013 Xiph.Org Foundation and contributors */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef FIXED_ARMv4_H
-#define FIXED_ARMv4_H
-
-/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
-#undef MULT16_32_Q16
-static OPUS_INLINE opus_val32 MULT16_32_Q16_armv4(opus_val16 a, opus_val32 b)
-{
- unsigned rd_lo;
- int rd_hi;
- __asm__(
- "#MULT16_32_Q16\n\t"
- "smull %0, %1, %2, %3\n\t"
- : "=&r"(rd_lo), "=&r"(rd_hi)
- : "%r"(b),"r"(a<<16)
- );
- return rd_hi;
-}
-#define MULT16_32_Q16(a, b) (MULT16_32_Q16_armv4(a, b))
-
-
-/** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
-#undef MULT16_32_Q15
-static OPUS_INLINE opus_val32 MULT16_32_Q15_armv4(opus_val16 a, opus_val32 b)
-{
- unsigned rd_lo;
- int rd_hi;
- __asm__(
- "#MULT16_32_Q15\n\t"
- "smull %0, %1, %2, %3\n\t"
- : "=&r"(rd_lo), "=&r"(rd_hi)
- : "%r"(b), "r"(a<<16)
- );
- /*We intentionally don't OR in the high bit of rd_lo for speed.*/
- return rd_hi<<1;
-}
-#define MULT16_32_Q15(a, b) (MULT16_32_Q15_armv4(a, b))
-
-
-/** 16x32 multiply, followed by a 15-bit shift right and 32-bit add.
- b must fit in 31 bits.
- Result fits in 32 bits. */
-#undef MAC16_32_Q15
-#define MAC16_32_Q15(c, a, b) ADD32(c, MULT16_32_Q15(a, b))
-
-/** 16x32 multiply, followed by a 16-bit shift right and 32-bit add.
- Result fits in 32 bits. */
-#undef MAC16_32_Q16
-#define MAC16_32_Q16(c, a, b) ADD32(c, MULT16_32_Q16(a, b))
-
-/** 32x32 multiplication, followed by a 31-bit shift right. Results fits in 32 bits */
-#undef MULT32_32_Q31
-#define MULT32_32_Q31(a,b) (opus_val32)((((opus_int64)(a)) * ((opus_int64)(b)))>>31)
-
-#endif
diff --git a/drivers/opus/celt/arm/fixed_armv5e.h b/drivers/opus/celt/arm/fixed_armv5e.h
deleted file mode 100644
index 2db23262e8..0000000000
--- a/drivers/opus/celt/arm/fixed_armv5e.h
+++ /dev/null
@@ -1,151 +0,0 @@
-/* Copyright (C) 2007-2009 Xiph.Org Foundation
- Copyright (C) 2003-2008 Jean-Marc Valin
- Copyright (C) 2007-2008 CSIRO
- Copyright (C) 2013 Parrot */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#ifndef FIXED_ARMv5E_H
-#define FIXED_ARMv5E_H
-
-#include "opus/celt/arm/fixed_armv4.h"
-
-/** 16x32 multiplication, followed by a 16-bit shift right. Results fits in 32 bits */
-#undef MULT16_32_Q16
-static OPUS_INLINE opus_val32 MULT16_32_Q16_armv5e(opus_val16 a, opus_val32 b)
-{
- int res;
- __asm__(
- "#MULT16_32_Q16\n\t"
- "smulwb %0, %1, %2\n\t"
- : "=r"(res)
- : "r"(b),"r"(a)
- );
- return res;
-}
-#define MULT16_32_Q16(a, b) (MULT16_32_Q16_armv5e(a, b))
-
-
-/** 16x32 multiplication, followed by a 15-bit shift right. Results fits in 32 bits */
-#undef MULT16_32_Q15
-static OPUS_INLINE opus_val32 MULT16_32_Q15_armv5e(opus_val16 a, opus_val32 b)
-{
- int res;
- __asm__(
- "#MULT16_32_Q15\n\t"
- "smulwb %0, %1, %2\n\t"
- : "=r"(res)
- : "r"(b), "r"(a)
- );
- return res<<1;
-}
-#define MULT16_32_Q15(a, b) (MULT16_32_Q15_armv5e(a, b))
-
-
-/** 16x32 multiply, followed by a 15-bit shift right and 32-bit add.
- b must fit in 31 bits.
- Result fits in 32 bits. */
-#undef MAC16_32_Q15
-static OPUS_INLINE opus_val32 MAC16_32_Q15_armv5e(opus_val32 c, opus_val16 a,
- opus_val32 b)
-{
- int res;
- __asm__(
- "#MAC16_32_Q15\n\t"
- "smlawb %0, %1, %2, %3;\n"
- : "=r"(res)
- : "r"(b<<1), "r"(a), "r"(c)
- );
- return res;
-}
-#define MAC16_32_Q15(c, a, b) (MAC16_32_Q15_armv5e(c, a, b))
-
-/** 16x32 multiply, followed by a 16-bit shift right and 32-bit add.
- Result fits in 32 bits. */
-#undef MAC16_32_Q16
-static OPUS_INLINE opus_val32 MAC16_32_Q16_armv5e(opus_val32 c, opus_val16 a,
- opus_val32 b)
-{
- int res;
- __asm__(
- "#MAC16_32_Q16\n\t"
- "smlawb %0, %1, %2, %3;\n"
- : "=r"(res)
- : "r"(b), "r"(a), "r"(c)
- );
- return res;
-}
-#define MAC16_32_Q16(c, a, b) (MAC16_32_Q16_armv5e(c, a, b))
-
-/** 16x16 multiply-add where the result fits in 32 bits */
-#undef MAC16_16
-static OPUS_INLINE opus_val32 MAC16_16_armv5e(opus_val32 c, opus_val16 a,
- opus_val16 b)
-{
- int res;
- __asm__(
- "#MAC16_16\n\t"
- "smlabb %0, %1, %2, %3;\n"
- : "=r"(res)
- : "r"(a), "r"(b), "r"(c)
- );
- return res;
-}
-#define MAC16_16(c, a, b) (MAC16_16_armv5e(c, a, b))
-
-/** 16x16 multiplication where the result fits in 32 bits */
-#undef MULT16_16
-static OPUS_INLINE opus_val32 MULT16_16_armv5e(opus_val16 a, opus_val16 b)
-{
- int res;
- __asm__(
- "#MULT16_16\n\t"
- "smulbb %0, %1, %2;\n"
- : "=r"(res)
- : "r"(a), "r"(b)
- );
- return res;
-}
-#define MULT16_16(a, b) (MULT16_16_armv5e(a, b))
-
-#ifdef OPUS_ARM_INLINE_MEDIA
-
-#undef SIG2WORD16
-static OPUS_INLINE opus_val16 SIG2WORD16_armv6(opus_val32 x)
-{
- celt_sig res;
- __asm__(
- "#SIG2WORD16\n\t"
- "ssat %0, #16, %1, ASR #12\n\t"
- : "=r"(res)
- : "r"(x+2048)
- );
- return EXTRACT16(res);
-}
-#define SIG2WORD16(x) (SIG2WORD16_armv6(x))
-
-#endif /* OPUS_ARM_INLINE_MEDIA */
-
-#endif
diff --git a/drivers/opus/celt/arm/kiss_fft_armv4.h b/drivers/opus/celt/arm/kiss_fft_armv4.h
deleted file mode 100644
index 0f5617324d..0000000000
--- a/drivers/opus/celt/arm/kiss_fft_armv4.h
+++ /dev/null
@@ -1,121 +0,0 @@
-/*Copyright (c) 2013, Xiph.Org Foundation and contributors.
-
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.*/
-
-#ifndef KISS_FFT_ARMv4_H
-#define KISS_FFT_ARMv4_H
-
-#if !defined(KISS_FFT_GUTS_H)
-#error "This file should only be included from _kiss_fft_guts.h"
-#endif
-
-#ifdef OPUS_FIXED_POINT
-
-#undef C_MUL
-#define C_MUL(m,a,b) \
- do{ \
- int br__; \
- int bi__; \
- int tt__; \
- __asm__ __volatile__( \
- "#C_MUL\n\t" \
- "ldrsh %[br], [%[bp], #0]\n\t" \
- "ldm %[ap], {r0,r1}\n\t" \
- "ldrsh %[bi], [%[bp], #2]\n\t" \
- "smull %[tt], %[mi], r1, %[br]\n\t" \
- "smlal %[tt], %[mi], r0, %[bi]\n\t" \
- "rsb %[bi], %[bi], #0\n\t" \
- "smull %[br], %[mr], r0, %[br]\n\t" \
- "mov %[tt], %[tt], lsr #15\n\t" \
- "smlal %[br], %[mr], r1, %[bi]\n\t" \
- "orr %[mi], %[tt], %[mi], lsl #17\n\t" \
- "mov %[br], %[br], lsr #15\n\t" \
- "orr %[mr], %[br], %[mr], lsl #17\n\t" \
- : [mr]"=r"((m).r), [mi]"=r"((m).i), \
- [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \
- : [ap]"r"(&(a)), [bp]"r"(&(b)) \
- : "r0", "r1" \
- ); \
- } \
- while(0)
-
-#undef C_MUL4
-#define C_MUL4(m,a,b) \
- do{ \
- int br__; \
- int bi__; \
- int tt__; \
- __asm__ __volatile__( \
- "#C_MUL4\n\t" \
- "ldrsh %[br], [%[bp], #0]\n\t" \
- "ldm %[ap], {r0,r1}\n\t" \
- "ldrsh %[bi], [%[bp], #2]\n\t" \
- "smull %[tt], %[mi], r1, %[br]\n\t" \
- "smlal %[tt], %[mi], r0, %[bi]\n\t" \
- "rsb %[bi], %[bi], #0\n\t" \
- "smull %[br], %[mr], r0, %[br]\n\t" \
- "mov %[tt], %[tt], lsr #17\n\t" \
- "smlal %[br], %[mr], r1, %[bi]\n\t" \
- "orr %[mi], %[tt], %[mi], lsl #15\n\t" \
- "mov %[br], %[br], lsr #17\n\t" \
- "orr %[mr], %[br], %[mr], lsl #15\n\t" \
- : [mr]"=r"((m).r), [mi]"=r"((m).i), \
- [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \
- : [ap]"r"(&(a)), [bp]"r"(&(b)) \
- : "r0", "r1" \
- ); \
- } \
- while(0)
-
-#undef C_MULC
-#define C_MULC(m,a,b) \
- do{ \
- int br__; \
- int bi__; \
- int tt__; \
- __asm__ __volatile__( \
- "#C_MULC\n\t" \
- "ldrsh %[br], [%[bp], #0]\n\t" \
- "ldm %[ap], {r0,r1}\n\t" \
- "ldrsh %[bi], [%[bp], #2]\n\t" \
- "smull %[tt], %[mr], r0, %[br]\n\t" \
- "smlal %[tt], %[mr], r1, %[bi]\n\t" \
- "rsb %[bi], %[bi], #0\n\t" \
- "smull %[br], %[mi], r1, %[br]\n\t" \
- "mov %[tt], %[tt], lsr #15\n\t" \
- "smlal %[br], %[mi], r0, %[bi]\n\t" \
- "orr %[mr], %[tt], %[mr], lsl #17\n\t" \
- "mov %[br], %[br], lsr #15\n\t" \
- "orr %[mi], %[br], %[mi], lsl #17\n\t" \
- : [mr]"=r"((m).r), [mi]"=r"((m).i), \
- [br]"=&r"(br__), [bi]"=r"(bi__), [tt]"=r"(tt__) \
- : [ap]"r"(&(a)), [bp]"r"(&(b)) \
- : "r0", "r1" \
- ); \
- } \
- while(0)
-
-#endif /* FIXED_POINT */
-
-#endif /* KISS_FFT_ARMv4_H */
diff --git a/drivers/opus/celt/arm/kiss_fft_armv5e.h b/drivers/opus/celt/arm/kiss_fft_armv5e.h
deleted file mode 100644
index 0ab75fbc58..0000000000
--- a/drivers/opus/celt/arm/kiss_fft_armv5e.h
+++ /dev/null
@@ -1,118 +0,0 @@
-/*Copyright (c) 2013, Xiph.Org Foundation and contributors.
-
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
-
- * Redistributions of source code must retain the above copyright notice,
- this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- POSSIBILITY OF SUCH DAMAGE.*/
-
-#ifndef KISS_FFT_ARMv5E_H
-#define KISS_FFT_ARMv5E_H
-
-#if !defined(KISS_FFT_GUTS_H)
-#error "This file should only be included from _kiss_fft_guts.h"
-#endif
-
-#ifdef OPUS_FIXED_POINT
-
-#if defined(__thumb__)||defined(__thumb2__)
-#define LDRD_CONS "Q"
-#else
-#define LDRD_CONS "Uq"
-#endif
-
-#undef C_MUL
-#define C_MUL(m,a,b) \
- do{ \
- int mr1__; \
- int mr2__; \
- int mi__; \
- long long aval__; \
- int bval__; \
- __asm__( \
- "#C_MUL\n\t" \
- "ldrd %[aval], %H[aval], %[ap]\n\t" \
- "ldr %[bval], %[bp]\n\t" \
- "smulwb %[mi], %H[aval], %[bval]\n\t" \
- "smulwb %[mr1], %[aval], %[bval]\n\t" \
- "smulwt %[mr2], %H[aval], %[bval]\n\t" \
- "smlawt %[mi], %[aval], %[bval], %[mi]\n\t" \
- : [mr1]"=r"(mr1__), [mr2]"=r"(mr2__), [mi]"=r"(mi__), \
- [aval]"=&r"(aval__), [bval]"=r"(bval__) \
- : [ap]LDRD_CONS(a), [bp]"m"(b) \
- ); \
- (m).r = SHL32(SUB32(mr1__, mr2__), 1); \
- (m).i = SHL32(mi__, 1); \
- } \
- while(0)
-
-#undef C_MUL4
-#define C_MUL4(m,a,b) \
- do{ \
- int mr1__; \
- int mr2__; \
- int mi__; \
- long long aval__; \
- int bval__; \
- __asm__( \
- "#C_MUL4\n\t" \
- "ldrd %[aval], %H[aval], %[ap]\n\t" \
- "ldr %[bval], %[bp]\n\t" \
- "smulwb %[mi], %H[aval], %[bval]\n\t" \
- "smulwb %[mr1], %[aval], %[bval]\n\t" \
- "smulwt %[mr2], %H[aval], %[bval]\n\t" \
- "smlawt %[mi], %[aval], %[bval], %[mi]\n\t" \
- : [mr1]"=r"(mr1__), [mr2]"=r"(mr2__), [mi]"=r"(mi__), \
- [aval]"=&r"(aval__), [bval]"=r"(bval__) \
- : [ap]LDRD_CONS(a), [bp]"m"(b) \
- ); \
- (m).r = SHR32(SUB32(mr1__, mr2__), 1); \
- (m).i = SHR32(mi__, 1); \
- } \
- while(0)
-
-#undef C_MULC
-#define C_MULC(m,a,b) \
- do{ \
- int mr__; \
- int mi1__; \
- int mi2__; \
- long long aval__; \
- int bval__; \
- __asm__( \
- "#C_MULC\n\t" \
- "ldrd %[aval], %H[aval], %[ap]\n\t" \
- "ldr %[bval], %[bp]\n\t" \
- "smulwb %[mr], %[aval], %[bval]\n\t" \
- "smulwb %[mi1], %H[aval], %[bval]\n\t" \
- "smulwt %[mi2], %[aval], %[bval]\n\t" \
- "smlawt %[mr], %H[aval], %[bval], %[mr]\n\t" \
- : [mr]"=r"(mr__), [mi1]"=r"(mi1__), [mi2]"=r"(mi2__), \
- [aval]"=&r"(aval__), [bval]"=r"(bval__) \
- : [ap]LDRD_CONS(a), [bp]"m"(b) \
- ); \
- (m).r = SHL32(mr__, 1); \
- (m).i = SHL32(SUB32(mi1__, mi2__), 1); \
- } \
- while(0)
-
-#endif /* FIXED_POINT */
-
-#endif /* KISS_FFT_GUTS_H */
diff --git a/drivers/opus/celt/arm/mdct_arm.h b/drivers/opus/celt/arm/mdct_arm.h
deleted file mode 100644
index faf3c8acab..0000000000
--- a/drivers/opus/celt/arm/mdct_arm.h
+++ /dev/null
@@ -1,60 +0,0 @@
-/* Copyright (c) 2015 Xiph.Org Foundation
- Written by Viswanath Puttagunta */
-/**
- @file arm_mdct.h
- @brief ARM Neon Intrinsic optimizations for mdct using NE10 library
- */
-
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#if !defined(MDCT_ARM_H)
-#define MDCT_ARM_H
-
-#include "opus/opus_config.h"
-#include "opus/celt/mdct.h"
-
-#if defined(HAVE_ARM_NE10)
-/** Compute a forward MDCT and scale by 4/N, trashes the input array */
-void clt_mdct_forward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 *window, int overlap,
- int shift, int stride, int arch);
-
-void clt_mdct_backward_neon(const mdct_lookup *l, kiss_fft_scalar *in,
- kiss_fft_scalar * OPUS_RESTRICT out,
- const opus_val16 *window, int overlap,
- int shift, int stride, int arch);
-
-#if !defined(OPUS_HAVE_RTCD)
-#define OVERRIDE_OPUS_MDCT (1)
-#define clt_mdct_forward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
- clt_mdct_forward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
-#define clt_mdct_backward(_l, _in, _out, _window, _int, _shift, _stride, _arch) \
- clt_mdct_backward_neon(_l, _in, _out, _window, _int, _shift, _stride, _arch)
-#endif /* OPUS_HAVE_RTCD */
-#endif /* HAVE_ARM_NE10 */
-
-#endif
diff --git a/drivers/opus/celt/arm/pitch_arm.h b/drivers/opus/celt/arm/pitch_arm.h
deleted file mode 100644
index 996fbc7fd9..0000000000
--- a/drivers/opus/celt/arm/pitch_arm.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Copyright (c) 2010 Xiph.Org Foundation
- * Copyright (c) 2013 Parrot */
-/*
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions
- are met:
-
- - Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- - Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
- OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-
-#if !defined(PITCH_ARM_H)
-# define PITCH_ARM_H
-
-# include "opus/celt/arm/armcpu.h"
-
-# if defined(FIXED_POINT)
-
-# if defined(OPUS_ARM_MAY_HAVE_NEON)
-opus_val32 celt_pitch_xcorr_neon(const opus_val16 *_x, const opus_val16 *_y,
- opus_val32 *xcorr, int len, int max_pitch);
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_MEDIA)
-# define celt_pitch_xcorr_media MAY_HAVE_EDSP(celt_pitch_xcorr)
-# endif
-
-# if defined(OPUS_ARM_MAY_HAVE_EDSP)
-opus_val32 celt_pitch_xcorr_edsp(const opus_val16 *_x, const opus_val16 *_y,
- opus_val32 *xcorr, int len, int max_pitch);
-# endif
-
-# if !defined(OPUS_HAVE_RTCD)
-# define OVERRIDE_PITCH_XCORR (1)
-# define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
- ((void)(arch),PRESUME_NEON(celt_pitch_xcorr)(_x, _y, xcorr, len, max_pitch))
-# endif
-
-#else /* Start !FIXED_POINT */
-/* Float case */
-#if defined(OPUS_ARM_MAY_HAVE_NEON_INTR)
-void celt_pitch_xcorr_float_neon(const opus_val16 *_x, const opus_val16 *_y,
- opus_val32 *xcorr, int len, int max_pitch);
-#if !defined(OPUS_HAVE_RTCD) || defined(OPUS_ARM_PRESUME_NEON_INTR)
-#define OVERRIDE_PITCH_XCORR (1)
-# define celt_pitch_xcorr(_x, _y, xcorr, len, max_pitch, arch) \
- ((void)(arch),celt_pitch_xcorr_float_neon(_x, _y, xcorr, len, max_pitch))
-#endif
-#endif
-
-#endif /* end !FIXED_POINT */
-#endif