http://gcc.gnu.org/PR11103
http://sources.redhat.com/cgi-bin/cvsweb.cgi/libc/sysdeps/unix/sysv/linux/arm/sysdep.h.diff?r1=1.22&r2=1.23&cvsroot=glibc
http://lists.arm.linux.org.uk/pipermail/linux-arm/2003-July/005826.html

Error:
../sysdeps/unix/sysv/linux/arm/sigaction.c: In function `__libc_sigaction':
../sysdeps/unix/sysv/linux/arm/sigaction.c:100: error: asm-specifier for variable `_a1' conflicts with asm clobber list
../sysdeps/unix/sysv/linux/arm/sigaction.c:139: error: asm-specifier for variable `_a1' conflicts with asm clobber list
make[2]: *** [build-glibc/signal/sigaction.o] Error 1

===================================================================
RCS file: /cvs/glibc/libc/sysdeps/unix/sysv/linux/arm/sysdep.h,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- libc/sysdeps/unix/sysv/linux/arm/sysdep.h	2003/03/23 19:42:22	1.22
+++ libc/sysdeps/unix/sysv/linux/arm/sysdep.h	2003/03/24 19:00:28	1.23
@@ -174,7 +174,7 @@
        asm volatile ("swi	%1	@ syscall " #name	\
 		     : "=r" (_a1)				\
 		     : "i" (SYS_ify(name)) ASM_ARGS_##nr	\
-		     : "a1", "memory");				\
+		     : "memory");				\
        _sys_result = _a1;					\
      }								\
      (int) _sys_result; })