1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/libopus/celt/arm/kiss_fft_armv5e.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,118 @@
1.4 +/*Copyright (c) 2013, Xiph.Org Foundation and contributors.
1.5 +
1.6 + All rights reserved.
1.7 +
1.8 + Redistribution and use in source and binary forms, with or without
1.9 + modification, are permitted provided that the following conditions are met:
1.10 +
1.11 + * Redistributions of source code must retain the above copyright notice,
1.12 + this list of conditions and the following disclaimer.
1.13 + * Redistributions in binary form must reproduce the above copyright notice,
1.14 + this list of conditions and the following disclaimer in the
1.15 + documentation and/or other materials provided with the distribution.
1.16 +
1.17 + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
1.18 + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.19 + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.20 + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.21 + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.22 + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.23 + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.24 + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.25 + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.26 + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.27 + POSSIBILITY OF SUCH DAMAGE.*/
1.28 +
1.29 +#ifndef KISS_FFT_ARMv5E_H
1.30 +#define KISS_FFT_ARMv5E_H
1.31 +
1.32 +#if !defined(KISS_FFT_GUTS_H)
1.33 +#error "This file should only be included from _kiss_fft_guts.h"
1.34 +#endif
1.35 +
1.36 +#ifdef FIXED_POINT
1.37 +
1.38 +#if defined(__thumb__)||defined(__thumb2__)
1.39 +#define LDRD_CONS "Q"
1.40 +#else
1.41 +#define LDRD_CONS "Uq"
1.42 +#endif
1.43 +
1.44 +#undef C_MUL
1.45 +#define C_MUL(m,a,b) \
1.46 + do{ \
1.47 + int mr1__; \
1.48 + int mr2__; \
1.49 + int mi__; \
1.50 + long long aval__; \
1.51 + int bval__; \
1.52 + __asm__( \
1.53 + "#C_MUL\n\t" \
1.54 + "ldrd %[aval], %H[aval], %[ap]\n\t" \
1.55 + "ldr %[bval], %[bp]\n\t" \
1.56 + "smulwb %[mi], %H[aval], %[bval]\n\t" \
1.57 + "smulwb %[mr1], %[aval], %[bval]\n\t" \
1.58 + "smulwt %[mr2], %H[aval], %[bval]\n\t" \
1.59 + "smlawt %[mi], %[aval], %[bval], %[mi]\n\t" \
1.60 + : [mr1]"=r"(mr1__), [mr2]"=r"(mr2__), [mi]"=r"(mi__), \
1.61 + [aval]"=&r"(aval__), [bval]"=r"(bval__) \
1.62 + : [ap]LDRD_CONS(a), [bp]"m"(b) \
1.63 + ); \
1.64 + (m).r = SHL32(SUB32(mr1__, mr2__), 1); \
1.65 + (m).i = SHL32(mi__, 1); \
1.66 + } \
1.67 + while(0)
1.68 +
1.69 +#undef C_MUL4
1.70 +#define C_MUL4(m,a,b) \
1.71 + do{ \
1.72 + int mr1__; \
1.73 + int mr2__; \
1.74 + int mi__; \
1.75 + long long aval__; \
1.76 + int bval__; \
1.77 + __asm__( \
1.78 + "#C_MUL4\n\t" \
1.79 + "ldrd %[aval], %H[aval], %[ap]\n\t" \
1.80 + "ldr %[bval], %[bp]\n\t" \
1.81 + "smulwb %[mi], %H[aval], %[bval]\n\t" \
1.82 + "smulwb %[mr1], %[aval], %[bval]\n\t" \
1.83 + "smulwt %[mr2], %H[aval], %[bval]\n\t" \
1.84 + "smlawt %[mi], %[aval], %[bval], %[mi]\n\t" \
1.85 + : [mr1]"=r"(mr1__), [mr2]"=r"(mr2__), [mi]"=r"(mi__), \
1.86 + [aval]"=&r"(aval__), [bval]"=r"(bval__) \
1.87 + : [ap]LDRD_CONS(a), [bp]"m"(b) \
1.88 + ); \
1.89 + (m).r = SHR32(SUB32(mr1__, mr2__), 1); \
1.90 + (m).i = SHR32(mi__, 1); \
1.91 + } \
1.92 + while(0)
1.93 +
1.94 +#undef C_MULC
1.95 +#define C_MULC(m,a,b) \
1.96 + do{ \
1.97 + int mr__; \
1.98 + int mi1__; \
1.99 + int mi2__; \
1.100 + long long aval__; \
1.101 + int bval__; \
1.102 + __asm__( \
1.103 + "#C_MULC\n\t" \
1.104 + "ldrd %[aval], %H[aval], %[ap]\n\t" \
1.105 + "ldr %[bval], %[bp]\n\t" \
1.106 + "smulwb %[mr], %[aval], %[bval]\n\t" \
1.107 + "smulwb %[mi1], %H[aval], %[bval]\n\t" \
1.108 + "smulwt %[mi2], %[aval], %[bval]\n\t" \
1.109 + "smlawt %[mr], %H[aval], %[bval], %[mr]\n\t" \
1.110 + : [mr]"=r"(mr__), [mi1]"=r"(mi1__), [mi2]"=r"(mi2__), \
1.111 + [aval]"=&r"(aval__), [bval]"=r"(bval__) \
1.112 + : [ap]LDRD_CONS(a), [bp]"m"(b) \
1.113 + ); \
1.114 + (m).r = SHL32(mr__, 1); \
1.115 + (m).i = SHL32(SUB32(mi1__, mi2__), 1); \
1.116 + } \
1.117 + while(0)
1.118 +
1.119 +#endif /* FIXED_POINT */
1.120 +
1.121 +#endif /* KISS_FFT_GUTS_H */
