version of FixedByFrac that generates much better code.

bb4a737b · Steven Fuller · 6bebd8bb · bb4a737b
Commit bb4a737b authored Dec 31, 2006 by Steven Fuller
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Showing with 1 addition and 7 deletions

wl_main.c src/wl_main.c +1 -7

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--- a/src/wl_main.c
+++ b/src/wl_main.c
@@ -58,13 +58,7 @@ typedef _int64 int64_t;
 #endif
 fixed FixedByFrac(fixed a, fixed b)
 {
-	int64_t ra = a;
-	int64_t rb = b;
-	int64_t r;
-	
-	r = ra * rb;
-	r >>= TILESHIFT;
-	return (fixed)r;
+	return (fixed)(((int64_t)(a * (int64_t)b))>>TILESHIFT);
 }
 #endif