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| author | Martin Storsjo <martin@martin.st> | 2012-11-01 11:08:03 +0200 |
|---|---|---|
| committer | Martin Storsjo <martin@martin.st> | 2012-11-01 11:08:03 +0200 |
| commit | 54dfe1ec6972ca0d56dcb671448f84fea5e37e35 (patch) | |
| tree | 5d26aa077f3aa32d3e5113546abc5a4219332640 /libFDK/include/mips/cplx_mul.h | |
| parent | fea3c1d0ffaf5975bb15462e11edf9c7a664890d (diff) | |
| parent | 6ab36997af5d5acda4f21d33031f4e45c85f96b7 (diff) | |
| download | ODR-AudioEnc-54dfe1ec6972ca0d56dcb671448f84fea5e37e35.tar.gz ODR-AudioEnc-54dfe1ec6972ca0d56dcb671448f84fea5e37e35.tar.bz2 ODR-AudioEnc-54dfe1ec6972ca0d56dcb671448f84fea5e37e35.zip | |
Merge remote-tracking branch 'aosp/jb-mr1-release' into master
Conflicts:
libAACenc/src/band_nrg.cpp
libAACenc/src/grp_data.cpp
libSBRenc/src/env_est.cpp
Diffstat (limited to 'libFDK/include/mips/cplx_mul.h')
| -rw-r--r-- | libFDK/include/mips/cplx_mul.h | 39 |
1 files changed, 33 insertions, 6 deletions
diff --git a/libFDK/include/mips/cplx_mul.h b/libFDK/include/mips/cplx_mul.h index 4e8f26f..fb777ce 100644 --- a/libFDK/include/mips/cplx_mul.h +++ b/libFDK/include/mips/cplx_mul.h @@ -107,10 +107,23 @@ inline void cplxMultDiv2( FIXP_DBL *c_Re, FIXP_DBL b_Re, FIXP_DBL b_Im) { - INT result; - result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32; + INT result; + + __asm__ ("mult %[a_Re], %[b_Re];\n" + "msub %[a_Im], %[b_Im];\n" + "mfhi %[result];\n" + : [result]"=r"(result) + : [a_Re]"d"(a_Re), [b_Re]"d"(b_Re), [a_Im]"d"(a_Im), [b_Im]"d"(b_Im) + : "lo"); + *c_Re = result; - result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32; + + __asm__ ("mult %[a_Re], %[b_Im];\n" + "madd %[a_Im], %[b_Re];\n" + "mfhi %[result];\n" + : [result]"=r"(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 @@ -123,10 +136,24 @@ inline void cplxMult( FIXP_DBL *c_Re, FIXP_DBL b_Re, FIXP_DBL b_Im) { - INT result; - result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32; + INT result; + + __asm__ ("mult %[a_Re], %[b_Re];\n" + "msub %[a_Im], %[b_Im];\n" + "mfhi %[result];\n" + //"extr_w %[result], 31;\n" + : [result]"=r"(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; - result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32; + + __asm__ ("mult %[a_Re], %[b_Im];\n" + "madd %[a_Im], %[b_Re];\n" + "mfhi %[result];\n" + //"extr_w %[result], 31;\n" + : [result]"=r"(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 |