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authorAndreas Jaeger <aj@suse.de>2002-02-07 10:39:07 +0000
committerAndreas Jaeger <aj@suse.de>2002-02-07 10:39:07 +0000
commita6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0 (patch)
treedaefebc2ad33b01ce974909aef938cc96f68a98b /linuxthreads/sysdeps/mips/pt-machine.h
parentcd30b01ee9cdefd2e6f81b1c25ee6897243706fc (diff)
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Do not use branch likely.
2002-02-05 H.J. Lu <hjl@gnu.org> * sysdeps/mips/pspinlock.c (__pthread_spin_lock): Not use branch likely. * sysdeps/mips/pt-machine.h (testandset): Likewise. (__compare_and_swap): Likewise. >>>>>>> 1.469
Diffstat (limited to 'linuxthreads/sysdeps/mips/pt-machine.h')
-rw-r--r--linuxthreads/sysdeps/mips/pt-machine.h11
1 files changed, 5 insertions, 6 deletions
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 <ralf@gnu.org>.
Based on the Alpha version by Richard Henderson <rth@tamu.edu>.
@@ -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)