Fix YieldProcessor for none-sse target


git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6330 4407c894-4637-0410-b4f5-ada5f102cad1
remove push pop, it will intefere with sprintf

git-svn-id: https://svn.code.sf.net/p/mingw-w64/code@6331 4407c894-4637-0410-b4f5-ada5f102cad1