Merge pull request #706 from cxd4/att-asm-is-dumb

Remove incompatible in-line asm from DepthBufferRender.

Source/Glide64/DepthBufferRender.cpp

@@ -87,41 +87,17 @@ static int left_z, left_dzdy;
 
 __inline int imul16(int x, int y)        // (x * y) >> 16
 {
-    return (((long long)x) * ((long long)y)) >> 16;
+    return ((int64_t)x * (int64_t)y) >> 16;
 }
 
 __inline int imul14(int x, int y)        // (x * y) >> 14
 {
-    return (((long long)x) * ((long long)y)) >> 14;
+    return ((int64_t)x * (int64_t)y) >> 14;
 }
 
 __inline int idiv16(int x, int y)        // (x << 16) / y
 {
-    //x = (((long long)x) << 16) / ((long long)y);
- /*   
-  eax = x;
-  ebx = y;
-  edx = x;
-  (x << 16) | ()
-   */ 
-#if !defined(__GNUC__) && !defined(NO_ASM)
-  __asm {
-        mov   eax, x
-        mov   ebx, y
-        mov   edx,eax   
-        sar   edx,16
-        shl   eax,16    
-        idiv  ebx  
-        mov   x, eax
-    }
-#elif !defined(NO_ASM)
-    int reminder;
-    asm ("idivl %[divisor]"
-          : "=a" (x), "=d" (reminder)
-          : [divisor] "g" (y), "d" (x >> 16), "a" (x << 16));
-#else
-	x = (((long long)x) << 16) / ((long long)y);
-#endif
+    x = ((int64_t)x << 16) / (int64_t)y;
     return x;
 }