If the value which should be moved into a space register is zero, we can optimize the inline assembly to become "mtsp %r0,%srX". Signed-off-by: Helge Deller <deller@gmx.de> Cc: <stable@vger.kernel.org> # 3.10
Disintegrate asm/system.h for PA-RISC. Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-parisc@vger.kernel.org