From: Timo Sirainen <timo.sirainen@dovecot.fi>
Date: Thu, 1 Sep 2016 05:11:46 +0000 (-1000)
Subject: lib: Minor t_push() optimization - use unlikely()
X-Git-Tag: 2.3.0.rc1~3091
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8cf55b1c05d0d0a19c95ebbc8390ceb1d36da4a9;p=thirdparty%2Fdovecot%2Fcore.git

lib: Minor t_push() optimization - use unlikely()
---

diff --git a/src/lib/data-stack.c b/src/lib/data-stack.c
index 342932df26..290d40aa3f 100644
--- a/src/lib/data-stack.c
+++ b/src/lib/data-stack.c
@@ -133,7 +133,7 @@ unsigned int t_push(const char *marker)
 	frame_pos++;
 	if (frame_pos == BLOCK_FRAME_COUNT) {
 		/* frame block full */
-		if (data_stack_frame == 0) {
+		if (unlikely(data_stack_frame == 0)) {
 			/* kludgy, but allow this before initialization */
 			frame_pos = 0;
 			data_stack_init();