SigProc_FIX_armv4.h 2.0 KB

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  1. /***********************************************************************
  2. Copyright (C) 2013 Xiph.Org Foundation and contributors
  3. Copyright (c) 2013 Parrot
  4. Redistribution and use in source and binary forms, with or without
  5. modification, are permitted provided that the following conditions
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  8. this list of conditions and the following disclaimer.
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  12. - Neither the name of Internet Society, IETF or IETF Trust, nor the
  13. names of specific contributors, may be used to endorse or promote
  14. products derived from this software without specific prior written
  15. permission.
  16. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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  20. LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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  25. ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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  27. ***********************************************************************/
  28. #ifndef SILK_SIGPROC_FIX_ARMv4_H
  29. #define SILK_SIGPROC_FIX_ARMv4_H
  30. #undef silk_MLA
  31. static OPUS_INLINE opus_int32 silk_MLA_armv4(opus_int32 a, opus_int32 b,
  32. opus_int32 c)
  33. {
  34. opus_int32 res;
  35. __asm__(
  36. "#silk_MLA\n\t"
  37. "mla %0, %1, %2, %3\n\t"
  38. : "=&r"(res)
  39. : "r"(b), "r"(c), "r"(a)
  40. );
  41. return res;
  42. }
  43. #define silk_MLA(a, b, c) (silk_MLA_armv4(a, b, c))
  44. #endif