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* sysdeps/unix/sysv/linux/i386/clone.S: Micro-optimization.
This commit is contained in:
Ulrich Drepper 1999-01-21 09:35:55 +00:00
parent 53ad957e4f
commit dc88639c99
2 changed files with 5 additions and 5 deletions
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2
ChangeLog
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@ -1,5 +1,7 @@
1999-01-21 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/i386/clone.S: Micro-optimization.
* sysdeps/unix/sysv/linux/i386/vfork.S: Add back the first
implementation now that the syscall is back in 2.2.0.

8
sysdeps/unix/sysv/linux/i386/clone.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Richard Henderson (rth@tamu.edu)
@ -32,11 +32,9 @@ ENTRY(__clone)
/* Sanity check arguments. */
movl $-EINVAL,%eax
movl 4(%esp),%ecx /* no NULL function pointers */
testl %ecx,%ecx
jz SYSCALL_ERROR_LABEL
jecxz SYSCALL_ERROR_LABEL
movl 8(%esp),%ecx /* no NULL stack pointers */
testl %ecx,%ecx
jz SYSCALL_ERROR_LABEL
jecxz SYSCALL_ERROR_LABEL
/* Insert the argument onto the new stack. */
subl $8,%ecx