Merge pull request #501 from cxd4/ffffffffffffffffffff

[PJGlide64] imul14: no need for inline asm here

Source/Glide64/FixedPoint.asm.cpp

@@ -57,24 +57,20 @@ extern "C" int __declspec(naked) imul16(int x, int y)
 	}
 }
 
-//(x * y) >> 14
-extern "C" int  __declspec(naked) imul14(int x, int y)
-{
-	_asm {
-		push ebp
-		mov ebp,esp
-		mov   eax, [x]
-		mov   edx, [y]
-		imul  edx        
-		shrd  eax,edx,14
-		leave
-		ret
-	}
-}
 #else
 DebugBreak();
 #endif
 
+int imul14(int x, int y)
+{
+    int64_t result;
+    const int64_t m = (int64_t)(x);
+    const int64_t n = (int64_t)(y);
+
+    result = (m * n) >> 14;
+    return (int)(result);
+}
+
 int idiv16(int x, int y)
 {
     int64_t result;