Changes in uspace/lib/c/generic/bitops.c [2923c7b:a269d05] in mainline

File:

• uspace/lib/c/generic/bitops.c (modified) (1 diff)

uspace/lib/c/generic/bitops.c

@@ -33 +33 @@
 #include <bitops.h>
 
-int __popcountsi2(int a)
+extern int __popcountsi2(int a)
 {
-        int bits = 0;
-        for (unsigned int i = 0; i < sizeof(a) * 8; i++)         {
-                if (((a >> i) & 1) != 0) {
-                        bits++;
-                }
-        }
-        return bits;                                                                    
+        return __builtin_popcount(a);
 }