The Tor Browser: media/libopus/celt/cpu

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* Copyright (c) 2010 Xiph.Org Foundation

     2  * Copyright (c) 2013 Parrot */

     3 /*

     4    Redistribution and use in source and binary forms, with or without

     5    modification, are permitted provided that the following conditions

     6    are met:

     8    - Redistributions of source code must retain the above copyright

     9    notice, this list of conditions and the following disclaimer.

    11    - Redistributions in binary form must reproduce the above copyright

    12    notice, this list of conditions and the following disclaimer in the

    13    documentation and/or other materials provided with the distribution.

    15    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    16    ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    17    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    18    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER

    19    OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    20    EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    21    PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    22    PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    23    LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    24    NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    25    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    26 */

    28 #ifndef CPU_SUPPORT_H

    29 #define CPU_SUPPORT_H

    31 #include "opus_types.h"

    32 #include "opus_defines.h"

    34 #if defined(OPUS_HAVE_RTCD) && defined(OPUS_ARM_ASM)

    35 #include "arm/armcpu.h"

    37 /* We currently support 4 ARM variants:

    38  * arch[0] -> ARMv4

    39  * arch[1] -> ARMv5E

    40  * arch[2] -> ARMv6

    41  * arch[3] -> NEON

    42  */

    43 #define OPUS_ARCHMASK 3

    45 #else

    46 #define OPUS_ARCHMASK 0

    48 static OPUS_INLINE int opus_select_arch(void)

    49 {

    50   return 0;

    51 }

    52 #endif

    54 #endif

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