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| author | Andreas Jaeger <aj@suse.de> | 2002-02-07 10:39:07 +0000 |
|---|---|---|
| committer | Andreas Jaeger <aj@suse.de> | 2002-02-07 10:39:07 +0000 |
| commit | a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0 (patch) | |
| tree | daefebc2ad33b01ce974909aef938cc96f68a98b /sysdeps/unix/sysv/linux/mips/sys | |
| parent | cd30b01ee9cdefd2e6f81b1c25ee6897243706fc (diff) | |
| download | glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.tar.gz glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.tar.xz glibc-a6049f98edbe1bbcfe62c9b7bb80a8f783c0e2b0.zip | |
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 'sysdeps/unix/sysv/linux/mips/sys')
| -rw-r--r-- | sysdeps/unix/sysv/linux/mips/sys/tas.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/mips/sys/tas.h b/sysdeps/unix/sysv/linux/mips/sys/tas.h index 339670894f..1bfbbcf2de 100644 --- a/sysdeps/unix/sysv/linux/mips/sys/tas.h +++ b/sysdeps/unix/sysv/linux/mips/sys/tas.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Maciej W. Rozycki <macro@ds2.pg.gda.pl>, 2000. @@ -42,17 +42,16 @@ _test_and_set (int *p, int v) __THROW int r, t; __asm__ __volatile__ - ("/* Inline test and set */\n\t" - "ll %0,%3\n" + ("/* Inline test and set */\n" "1:\n\t" + "ll %0,%3\n\t" ".set push\n\t" ".set noreorder\n\t" "beq %0,%4,2f\n\t" " move %1,%4\n\t" + ".set pop\n\t" "sc %1,%2\n\t" - "beqzl %1,1b\n\t" - " ll %0,%3\n\t" - ".set pop\n" + "beqz %1,1b\n" "2:\n\t" "/* End test and set */" : "=&r" (r), "=&r" (t), "=m" (*p) |