Index: Jenkinsfile
===================================================================
--- Jenkinsfile	(revision 550a3385540fe0c2834b682893eb6e8280c52af1)
+++ Jenkinsfile	(revision 43ceeb585e079d4ecbb22c0463a748c4cee6148d)
@@ -168,7 +168,7 @@
 				architectureFlag = '' 
 				if (buildArchitecture == '64-bit') {
-					architectureFlag = '--host=x86_64 CXXFLAGS="-m64" CFAFLAGS="-m64"' 
+					architectureFlag = '--host=x86_64 CXXFLAGS="-m64 -O2" CFAFLAGS="-m64"' 
 				} else if (buildArchitecture == '32-bit'){
-					architectureFlag = '--host=i386 CXXFLAGS="-m32" CFAFLAGS="-m32"'
+					architectureFlag = '--host=i386 CXXFLAGS="-m32 -O2" CFAFLAGS="-m32"'
 				} else {
 					architectureFlag = 'ERROR'
Index: src/libcfa/concurrency/CtxSwitch-i686.S
===================================================================
--- src/libcfa/concurrency/CtxSwitch-i686.S	(revision 43ceeb585e079d4ecbb22c0463a748c4cee6148d)
+++ src/libcfa/concurrency/CtxSwitch-i686.S	(revision 43ceeb585e079d4ecbb22c0463a748c4cee6148d)
@@ -0,0 +1,1 @@
+CtxSwitch-i386.S