From: Alan Cox <alan@linux.intel.com>
Date: Sat, 6 Dec 2014 14:59:40 +0000 (+0000)
Subject: putdigit: microoptimisations
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=1e231510436e2da8b1a0d5554644d1115fc33d27;p=FUZIX.git

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 bbcc5bc2..cda40a6b 100644
--- 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);
 	}
 }