[llvm-commits] [compiler-rt] r167611 - in /compiler-rt/trunk/lib/tsan/rtl: tsan_interface_atomic.cc tsan_interface_atomic.h

[Dmitry Vyukov]

Author: dvyukov
Date: Fri Nov  9 06:54:37 2012
New Revision: 167611

URL: http://llvm.org/viewvc/llvm-project?rev=167611&view=rev
Log:
tsan: add __tsan_atomicX_compare_exchange_val() function
It's easier to call from compiler module.


Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.cc
    compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.h

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.cc?rev=167611&r1=167610&r2=167611&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.cc Fri Nov  9 06:54:37 2012
@@ -189,6 +189,13 @@
   return false;
 }
 
+template<typename T>
+static T AtomicCAS(ThreadState *thr, uptr pc,
+    volatile T *a, T c, T v, morder mo) {
+  AtomicCAS(thr, pc, a, &c, v, mo);
+  return c;
+}
+
 static void AtomicFence(ThreadState *thr, uptr pc, morder mo) {
   __sync_synchronize();
 }
@@ -361,6 +368,25 @@
   SCOPED_ATOMIC(CAS, a, c, v, mo);
 }
 
+a8 __tsan_atomic8_compare_exchange_val(volatile a8 *a, a8 c, a8 v,
+    morder mo) {
+  SCOPED_ATOMIC(CAS, a, c, v, mo);
+}
+a16 __tsan_atomic16_compare_exchange_val(volatile a16 *a, a16 c, a16 v,
+    morder mo) {
+  SCOPED_ATOMIC(CAS, a, c, v, mo);
+}
+
+a32 __tsan_atomic32_compare_exchange_val(volatile a32 *a, a32 c, a32 v,
+    morder mo) {
+  SCOPED_ATOMIC(CAS, a, c, v, mo);
+}
+
+a64 __tsan_atomic64_compare_exchange_val(volatile a64 *a, a64 c, a64 v,
+    morder mo) {
+  SCOPED_ATOMIC(CAS, a, c, v, mo);
+}
+
 void __tsan_atomic_thread_fence(morder mo) {
   char* a;
   SCOPED_ATOMIC(Fence, mo);

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.h?rev=167611&r1=167610&r2=167611&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.h (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interface_atomic.h Fri Nov  9 06:54:37 2012
@@ -123,6 +123,19 @@
 int __tsan_atomic64_compare_exchange_strong(volatile __tsan_atomic64 *a,
     __tsan_atomic64 *c, __tsan_atomic64 v, __tsan_memory_order mo);
 
+__tsan_atomic8 __tsan_atomic8_compare_exchange_val(
+    volatile __tsan_atomic8 *a, __tsan_atomic8 c, __tsan_atomic8 v,
+    __tsan_memory_order mo);
+__tsan_atomic16 __tsan_atomic16_compare_exchange_val(
+    volatile __tsan_atomic16 *a, __tsan_atomic16 c, __tsan_atomic16 v,
+    __tsan_memory_order mo);
+__tsan_atomic32 __tsan_atomic32_compare_exchange_val(
+    volatile __tsan_atomic32 *a, __tsan_atomic32 c, __tsan_atomic32 v,
+    __tsan_memory_order mo);
+__tsan_atomic64 __tsan_atomic64_compare_exchange_val(
+    volatile __tsan_atomic64 *a, __tsan_atomic64 c, __tsan_atomic64 v,
+    __tsan_memory_order mo);
+
 void __tsan_atomic_thread_fence(__tsan_memory_order mo);
 void __tsan_atomic_signal_fence(__tsan_memory_order mo);