From a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Thu, 7 Feb 2002 10:39:07 +0000 Subject: Do not use branch likely. 2002-02-05 H.J. Lu * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Not use branch likely. * sysdeps/mips/pt-machine.h (testandset): Likewise. (__compare_and_swap): Likewise. >>>>>>> 1.469 --- linuxthreads/sysdeps/mips/pt-machine.h | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'linuxthreads/sysdeps/mips/pt-machine.h') diff --git a/linuxthreads/sysdeps/mips/pt-machine.h b/linuxthreads/sysdeps/mips/pt-machine.h index 368235e1a5..506cc3f979 100644 --- a/linuxthreads/sysdeps/mips/pt-machine.h +++ b/linuxthreads/sysdeps/mips/pt-machine.h @@ -1,6 +1,6 @@ /* Machine-dependent pthreads configuration and inline functions. - Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1998, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ralf Baechle . Based on the Alpha version by Richard Henderson . @@ -57,18 +57,17 @@ __compare_and_swap (long int *p, long int oldval, long int newval) long int ret, temp; __asm__ __volatile__ - ("/* Inline compare & swap */\n\t" - "ll %1,%5\n" + ("/* Inline compare & swap */\n" "1:\n\t" + "ll %1,%5\n\t" ".set push\n\t" ".set noreorder\n\t" "bne %1,%3,2f\n\t" " move %0,$0\n\t" + ".set pop\n\t" "move %0,%4\n\t" "sc %0,%2\n\t" - "beqzl %0,1b\n\t" - " ll %1,%5\n\t" - ".set pop\n" + "beqz %0,1b\n" "2:\n\t" "/* End compare & swap */" : "=&r" (ret), "=&r" (temp), "=m" (*p) -- cgit 1.4.1