From b42eca7d39d7d263815a4457c318eb57ee2686a4 Mon Sep 17 00:00:00 2001 From: Guo Yixuan Date: Thu, 29 May 2014 21:43:15 -0700 Subject: Fixed pthread_spin_lock on sparc32/64 (bug 16882) [BZ #16882] * nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S (pthread_spin_lock): Branch out of spin loop to proper location. * nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S (pthread_spin_lock): Likewise. --- ChangeLog | 8 ++++++++ nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S | 4 ++-- nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S | 4 ++-- 3 files changed, 12 insertions(+), 4 deletions(-) diff --git a/ChangeLog b/ChangeLog index 63fe915..894abd8 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2014-06-03 Guo Yixuan + + [BZ #16882] + * nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S + (pthread_spin_lock): Branch out of spin loop to proper location. + * nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S + (pthread_spin_lock): Likewise. + 2014-06-03 Andreas Schwab [BZ #15946] diff --git a/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S b/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S index ea863d7..3accc69 100644 --- a/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S +++ b/nptl/sysdeps/sparc/sparc32/pthread_spin_lock.S @@ -19,11 +19,11 @@ .text ENTRY(pthread_spin_lock) - ldstub [%o0], %g1 +1: ldstub [%o0], %g1 orcc %g1, 0x0, %g0 bne,a 2f ldub [%o0], %g1 -1: retl + retl mov 0, %o0 2: orcc %g1, 0x0, %g0 bne,a 2b diff --git a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S index 0f849b2..aec6654 100644 --- a/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S +++ b/nptl/sysdeps/sparc/sparc64/pthread_spin_lock.S @@ -19,10 +19,10 @@ .text ENTRY(pthread_spin_lock) - ldstub [%o0], %g1 +1: ldstub [%o0], %g1 brnz,pn %g1, 2f membar #StoreLoad | #StoreStore -1: retl + retl mov 0, %o0 2: ldub [%o0], %g1 brnz,pt %g1, 2b -- cgit v1.1