diff options
Diffstat (limited to 'libFDK/include/mips/cplx_mul.h')
| -rw-r--r-- | libFDK/include/mips/cplx_mul.h | 28 |
1 files changed, 4 insertions, 24 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 |