From b14c49d2275f6348640572b7b481dad43f3a00d0 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Sun, 25 Apr 2021 10:55:53 +0200 Subject: vppinfra: add COMPILE_TIME_CONST() macro Type: improvement Change-Id: I10d7489f57bc60eb92049962b4e6ea84974f17b8 Signed-off-by: Damjan Marion --- src/vppinfra/clib.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/vppinfra/clib.h') diff --git a/src/vppinfra/clib.h b/src/vppinfra/clib.h index 05af8fe7168..4629a7defb8 100644 --- a/src/vppinfra/clib.h +++ b/src/vppinfra/clib.h @@ -120,6 +120,7 @@ /* Hints to compiler about hot/cold code. */ #define PREDICT_FALSE(x) __builtin_expect((x),0) #define PREDICT_TRUE(x) __builtin_expect((x),1) +#define COMPILE_TIME_CONST(x) __builtin_constant_p (x) /* * Compiler barrier -- cgit 1.2.3-korg