putdigit: microoptimisations

The compiler can't assume much about the variables after the call to put
the character so do the operations the other way around

diff --git a/Kernel/devio.c b/Kernel/devio.c
index bbcc5bc..cda40a6 100644 (file)
--- a/Kernel/devio.c
+++ b/Kernel/devio.c
@@ -447,8 +447,8 @@ static void putdigit0(unsigned char c)
 static void putdigit(unsigned char c, unsigned char *flag)
 {
        if (c || *flag) {
-               putdigit0(c);
                *flag |= c;
+               putdigit0(c);
        }
 }