2 files changed, 5 insertions, 3 deletions

diff --git a/lib/libc/string/strcasecmp.c b/lib/libc/string/strcasecmp.c
index dae91d36b2e22..582399d7c77d3 100644
--- a/lib/libc/string/strcasecmp.c
+++ b/lib/libc/string/strcasecmp.c
@@ -49,7 +49,7 @@ strcasecmp_l(const char *s1, const char *s2, locale_t locale)
 			*us1 = (const u_char *)s1,
 			*us2 = (const u_char *)s2;
 	if (s1 == s2)
-	    return (0);
+		return (0);
 
 	FIX_LOCALE(locale);
 
@@ -73,8 +73,9 @@ strncasecmp_l(const char *s1, const char *s2, size_t n, locale_t locale)
 			*us1 = (const u_char *)s1,
 			*us2 = (const u_char *)s2;
 	
-	if (( s1 == s2) | (n == 0))
-	    return (0);
+	/* use a bitwise or to avoid an additional branch instruction */
+	if ((s1 == s2) | (n == 0))
+		return (0);
 
 
 	do {
diff --git a/lib/libc/string/strncmp.c b/lib/libc/string/strncmp.c
index 46db3f9e5a0ba..8da2c434ad625 100644
--- a/lib/libc/string/strncmp.c
+++ b/lib/libc/string/strncmp.c
@@ -39,6 +39,7 @@ int
 strncmp(const char *s1, const char *s2, size_t n)
 {
 
+	/* use a bitwise or to avoid an additional branch instruction */
 	if ((n == 0) | (s1 == s2))
 		return (0);