General help message cleanup

[oweals/u-boot.git] / lib_generic / vsprintf.c

diff --git a/lib_generic/vsprintf.c b/lib_generic/vsprintf.c
index 3ab1f5cb075062d592e808b2848ee24359801ab7..7f534c78537411c1cfe9673bd7443fa10dba5f9f 100644 (file)
--- a/lib_generic/vsprintf.c
+++ b/lib_generic/vsprintf.c
@@ -200,13 +200,15 @@ static char* put_dec_full(char *buf, unsigned q)
        d2 = (q>>8) & 0xf;
        d3 = (q>>12);
 
-       /* Possible ways to approx. divide by 10 */
-       /* gcc -O2 replaces multiply with shifts and adds */
-       // (x * 0xcd) >> 11: 11001101 - shorter code than * 0x67 (on i386)
-       // (x * 0x67) >> 10:  1100111
-       // (x * 0x34) >> 9:    110100 - same
-       // (x * 0x1a) >> 8:     11010 - same
-       // (x * 0x0d) >> 7:      1101 - same, shortest code (on i386)
+       /*
+        * Possible ways to approx. divide by 10
+        * gcc -O2 replaces multiply with shifts and adds
+        * (x * 0xcd) >> 11: 11001101 - shorter code than * 0x67 (on i386)
+        * (x * 0x67) >> 10:  1100111
+        * (x * 0x34) >> 9:    110100 - same
+        * (x * 0x1a) >> 8:     11010 - same
+        * (x * 0x0d) >> 7:      1101 - same, shortest code (on i386)
+        */
 
        d0 = 6*(d3 + d2 + d1) + (q & 0xf);
        q = (d0 * 0xcd) >> 11;