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| author | Dave Burke <daveburke@google.com> | 2012-04-17 09:51:45 -0700 |
|---|---|---|
| committer | Dave Burke <daveburke@google.com> | 2012-04-17 23:04:43 -0700 |
| commit | 9bf37cc9712506b2483650c82d3c41152337ef7e (patch) | |
| tree | 77db44e2bae06e3d144b255628be2b7a55c581d3 /libFDK/include/mips/cplx_mul.h | |
| parent | a37315fe10ee143d6d0b28c19d41a476a23e63ea (diff) | |
| download | fdk-aac-9bf37cc9712506b2483650c82d3c41152337ef7e.tar.gz fdk-aac-9bf37cc9712506b2483650c82d3c41152337ef7e.tar.bz2 fdk-aac-9bf37cc9712506b2483650c82d3c41152337ef7e.zip | |
Fraunhofer AAC codec.
License boilerplate update to follow.
Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5
Diffstat (limited to 'libFDK/include/mips/cplx_mul.h')
| -rw-r--r-- | libFDK/include/mips/cplx_mul.h | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/libFDK/include/mips/cplx_mul.h b/libFDK/include/mips/cplx_mul.h new file mode 100644 index 0000000..f6f46cc --- /dev/null +++ b/libFDK/include/mips/cplx_mul.h @@ -0,0 +1,93 @@ +/*************************** Fraunhofer IIS FDK Tools ********************** + + (C) Copyright Fraunhofer IIS (2006) + All Rights Reserved + + Please be advised that this software and/or program delivery is + Confidential Information of Fraunhofer and subject to and covered by the + + Fraunhofer IIS Software Evaluation Agreement + between Google Inc. and Fraunhofer + effective and in full force since March 1, 2012. + + You may use this software and/or program only under the terms and + conditions described in the above mentioned Fraunhofer IIS Software + Evaluation Agreement. Any other and/or further use requires a separate agreement. + + + $Id$ + Author(s): + Description: fixed point intrinsics + + This software and/or program is protected by copyright law and international + treaties. Any reproduction or distribution of this software and/or program, + or any portion of it, may result in severe civil and criminal penalties, and + will be prosecuted to the maximum extent possible under law. + +******************************************************************************/ + + +#if defined(__GNUC__) && defined(__mips__) + + +//#define FUNCTION_cplxMultDiv2_32x16 +//#define FUNCTION_cplxMultDiv2_32x16X2 +#define FUNCTION_cplxMultDiv2_32x32X2 +//#define FUNCTION_cplxMult_32x16 +//#define FUNCTION_cplxMult_32x16X2 +#define FUNCTION_cplxMult_32x32X2 + +#if defined(FUNCTION_cplxMultDiv2_32x32X2) +inline void cplxMultDiv2( FIXP_DBL *c_Re, + FIXP_DBL *c_Im, + FIXP_DBL a_Re, + FIXP_DBL a_Im, + FIXP_DBL b_Re, + FIXP_DBL b_Im) +{ + INT result; + + __asm__ ("mult %[a_Re], %[b_Re];\n" + "msub %[a_Im], %[b_Im];\n" + : "=hi"(result) + : [a_Re]"r"(a_Re), [b_Re]"r"(b_Re), [a_Im]"r"(a_Im), [b_Im]"r"(b_Im) + : "lo"); + + *c_Re = result; + + __asm__ ("mult %[a_Re], %[b_Im];\n" + "madd %[a_Im], %[b_Re];\n" + : "=hi"(result) + : [a_Re]"r"(a_Re), [b_Im]"r"(b_Im), [a_Im]"r"(a_Im), [b_Re]"r"(b_Re) + : "lo"); + *c_Im = result; +} +#endif + +#if defined(FUNCTION_cplxMult_32x32X2) +inline void cplxMult( FIXP_DBL *c_Re, + FIXP_DBL *c_Im, + FIXP_DBL a_Re, + FIXP_DBL a_Im, + FIXP_DBL b_Re, + FIXP_DBL b_Im) +{ + INT result; + __asm__ ("mult %[a_Re], %[b_Re];\n" + "msub %[a_Im], %[b_Im];\n" + : "=hi"(result) + : [a_Re]"r"(a_Re), [b_Re]"r"(b_Re), [a_Im]"r"(a_Im), [b_Im]"r"(b_Im) + : "lo"); + *c_Re = result<<1; + + __asm__ ("mult %[a_Re], %[b_Im];\n" + "madd %[a_Im], %[b_Re];\n" + : "=hi"(result) + : [a_Re]"r"(a_Re), [b_Im]"r"(b_Im), [a_Im]"r"(a_Im), [b_Re]"r"(b_Re) + : "lo"); + *c_Im = result<<1; +} +#endif + +#endif /* defined(__GNUC__) && defined(__mips__) */ + |