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authorMartin Storsjo <martin@martin.st>2012-09-05 11:32:25 +0300
committerMartin Storsjo <martin@martin.st>2012-09-05 11:32:25 +0300
commit50b1de17ac25b03827a80754eb3b7ac24478d03c (patch)
treef89b17176fc40a25b21422d263d6413b7eddec5e /libFDK/include/mips
parent8e4d5d9d2fb16e29e4b30a1ae867ab269b1781b3 (diff)
parentfef220869b4e5bf9241369d3379b389136c2f174 (diff)
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Merge remote-tracking branch 'aosp/master'
Diffstat (limited to 'libFDK/include/mips')
-rw-r--r--libFDK/include/mips/cplx_mul.h28
-rw-r--r--libFDK/include/mips/fixmul_mips.h8
2 files changed, 5 insertions, 31 deletions
diff --git a/libFDK/include/mips/cplx_mul.h b/libFDK/include/mips/cplx_mul.h
index e0781dd..4e8f26f 100644
--- a/libFDK/include/mips/cplx_mul.h
+++ b/libFDK/include/mips/cplx_mul.h
@@ -108,20 +108,9 @@ inline void cplxMultDiv2( FIXP_DBL *c_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");
-
+ result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32;
*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");
+ result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32;
*c_Im = result;
}
#endif
@@ -135,18 +124,9 @@ inline void cplxMult( FIXP_DBL *c_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");
+ result = (((long long)a_Re * b_Re) - ((long long) a_Im * b_Im)) >> 32;
*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");
+ result = (((long long)a_Re * b_Im) - ((long long) a_Im * b_Re)) >> 32;
*c_Im = result<<1;
}
#endif
diff --git a/libFDK/include/mips/fixmul_mips.h b/libFDK/include/mips/fixmul_mips.h
index 4fb72f7..0e7af0d 100644
--- a/libFDK/include/mips/fixmul_mips.h
+++ b/libFDK/include/mips/fixmul_mips.h
@@ -100,14 +100,8 @@ amm-info@iis.fraunhofer.de
inline INT fixmuldiv2_DD (const INT a, const INT b)
{
- INT result ;
- asm ("mult %1,%2;\n"
- : "=hi" (result)
- : "d" (a), "r" (b)
- : "lo");
-
- return result ;
+ return ((long long) a * b) >> 32;
}
#endif /* (__GNUC__) && defined(__mips__) */