[nasm:master] iflag: Do the equality test in iflag_cmp() first

[nasm-bot f. H. P. A. <hp...@li...>]

Commit-ID:  afcb66f41281104c8dc70f628eeaedda67b13b97
Gitweb:     http://repo.or.cz/w/nasm.git?a=commitdiff;h=afcb66f41281104c8dc70f628eeaedda67b13b97
Author:     H. Peter Anvin <hp...@li...>
AuthorDate: Wed, 27 Nov 2013 13:41:50 -0800
Committer:  H. Peter Anvin <hp...@li...>
CommitDate: Wed, 27 Nov 2013 13:41:50 -0800

iflag: Do the equality test in iflag_cmp() first

The equality test indicates how long we spin, so do that first.

Signed-off-by: H. Peter Anvin <hp...@li...>


---
 iflag.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/iflag.h b/iflag.h
index b1144be..8754174 100644
--- a/iflag.h
+++ b/iflag.h
@@ -46,10 +46,10 @@ static inline int iflag_cmp(const iflag_t *a, const iflag_t *b)
     int i;
 
     for (i = sizeof(a->field) / sizeof(a->field[0]) - 1; i >= 0; i--) {
-        if (a->field[i] < b->field[i])
-            return -1;
-        else if (a->field[i] > b->field[i])
-            return 1;
+        if (a->field[i] == b->field[i])
+            continue;
+
+        return (a->field[i] > b->field[i]) ? 1 : -1;
     }
 
     return 0;