From ae1578edb796254b407ee4bb62a1a36bcb6134e2 Mon Sep 17 00:00:00 2001
From: ian <ian@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Fri, 13 Feb 2015 15:41:28 +0000
Subject: [PATCH] MFC r276645:

  Don't allow clang to use fpu instructions or registers in kernel modules.


git-svn-id: svn://svn.freebsd.org/base/stable/10@278678 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 sys/conf/kmod.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/conf/kmod.mk b/sys/conf/kmod.mk
index 8370e519c..58d1df93c 100644
--- a/sys/conf/kmod.mk
+++ b/sys/conf/kmod.mk
@@ -126,8 +126,10 @@ CFLAGS+=	-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
 .endif
 
 # Temporary workaround for PR 196407, which contains the fascinating details.
+# Don't allow clang to use fpu instructions or registers in kernel modules.
 .if ${MACHINE_CPUARCH} == arm
 CFLAGS.clang+=	-mllvm -arm-use-movt=0
+CFLAGS.clang+=	-mfpu=none
 .endif
 
 .if ${MACHINE_CPUARCH} == powerpc
-- 
2.45.0