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Diffstat (limited to 'sysdeps/i386/bits/select.h')
-rw-r--r--sysdeps/i386/bits/select.h19
1 files changed, 12 insertions, 7 deletions
diff --git a/sysdeps/i386/bits/select.h b/sysdeps/i386/bits/select.h
index f2ab43ebbb..f21407f81f 100644
--- a/sysdeps/i386/bits/select.h
+++ b/sysdeps/i386/bits/select.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -24,12 +24,17 @@
#if defined __GNUC__ && __GNUC__ >= 2
# define __FD_ZERO(fdsetp) \
- __asm__ __volatile__ ("cld; rep; stosl" \
- : "=m" ((fdsetp)->fds_bits[__FDELT (__FD_SETSIZE)]) \
- : "a" (0), "c" (sizeof (__fd_set) \
- / sizeof (__fd_mask)), \
- "D" (&(fdsetp)->fds_bits[0]) \
- :"cx","di","memory")
+ do { \
+ int __d0, __d1; \
+ __asm__ __volatile__ ("cld; rep; stosl" \
+ : "=m" ((fdsetp)->fds_bits[__FDELT (__FD_SETSIZE)]),\
+ "=&c" (__d0), "=&D" (__d1) \
+ : "a" (0), "1" (sizeof (__fd_set) \
+ / sizeof (__fd_mask)), \
+ "2" (&(fdsetp)->fds_bits[0]) \
+ : "memory"); \
+ } while (0)
+
# define __FD_SET(fd, fdsetp) \
__asm__ __volatile__ ("btsl %1,%0" \
: "=m" ((fdsetp)->fds_bits[__FDELT (fd)]) \