[S390] Inline assembly cleanup.

Major cleanup of all s390 inline assemblies. They now have a common
coding style. Quite a few have been shortened, mainly by using register
asm variables. Use of the EX_TABLE macro helps  as well. The atomic ops,
bit ops and locking inlines new use the Q-constraint if a newer gcc
is used.  That results in slightly better code.

Thanks to Christian Borntraeger for proof reading the changes.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 91b2884fa5c4..c46e3d48e410 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -544,10 +544,7 @@ sys32_execve(struct pt_regs regs)
                 current->ptrace &= ~PT_DTRACE;
                 task_unlock(current);
                 current->thread.fp_regs.fpc=0;
-                __asm__ __volatile__
-                        ("sr  0,0\n\t"
-                         "sfpc 0,0\n\t"
-                         : : :"0");
+                asm volatile("sfpc %0,0" : : "d" (0));
         }
         putname(filename);
 out: