fix mips build by reverting files back

- MIPS still needs the work-around

Change-Id: If68b2028bd2779ada79020bb333ec8817abe9429

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

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__) */