md4c

commit 977ca3e1d125eaa452db17e540d2d480e1708f94
parent bb66cf835acd12a445e82ce84d592181b93e6748
Author: Martin Mitas <mity@morous.org>
Date:   Thu, 13 Oct 2016 18:29:13 +0200

md_collect_marks: Make a branch to be more friendly

... to CPU branch prediction.

This seems to have 20%-effect when bechmarking with md2html (and
output redirected to /dev/null) on my machine.

Diffstat:
M
md4c/md4c.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/md4c/md4c.c b/md4c/md4c.c
@@ -969,7 +969,7 @@ md_collect_marks(MD_CTX* ctx, const MD_LINE* lines, int n_lines)
             }
 
             /* Turn non-trivial whitespace into single space. */
-            if(ISWHITESPACE_(ch)  &&  (ctx->r.flags & MD_FLAG_COLLAPSEWHITESPACE)) {
+            if((ctx->r.flags & MD_FLAG_COLLAPSEWHITESPACE)  &&  ISWHITESPACE_(ch)) {
                 OFF tmp = off+1;
 
                 while(tmp < end  &&  ISWHITESPACE(tmp))