From: Tianyu Li <tianyu.li@arm.com>
Date: Tue, 12 Apr 2022 03:58:29 +0000 (+0000)
Subject: vppinfra: fix clang-10 build error with asm inline
X-Git-Tag: v22.10-rc0~94
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F47%2F35947%2F1;p=vpp.git

vppinfra: fix clang-10 build error with asm inline

clang start to support parse asm inline from clang-11,
Use asm volatile instead.

Type: fix
Fixes: d5045e68a782 ("vppinfra: introduce clib_perfmom")
Signed-off-by: Tianyu Li <tianyu.li@arm.com>
Change-Id: I00e5e19856caaed94e22f8fa6cf4f918483976a4
---

diff --git a/src/vppinfra/perfmon/perfmon.c b/src/vppinfra/perfmon/perfmon.c
index 9ec90b88d67..f44f225a86c 100644
--- a/src/vppinfra/perfmon/perfmon.c
+++ b/src/vppinfra/perfmon/perfmon.c
@@ -179,7 +179,7 @@ __clib_export void
 clib_perfmon_warmup (clib_perfmon_ctx_t *ctx)
 {
   for (u64 i = 0; i < (u64) ctx->ref_clock; i++)
-    asm inline("" : : "r"(i * i) : "memory");
+    asm volatile("" : : "r"(i * i) : "memory");
 }
 
 __clib_export u8 *