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Re: volatile qualifier hurts single-threaded optimized case

Sorry Benjamin,

one minor nit, unrelated to the other issue:

Index: config/abi/pre/gnu.ver
===================================================================
--- config/abi/pre/gnu.ver	(revision 116581)
+++ config/abi/pre/gnu.ver	(working copy)
@@ -378,8 +378,8 @@

    # __gnu_cxx::__atomic_add
    # __gnu_cxx::__exchange_and_add
-    _ZN9__gnu_cxx12__atomic_add*;
-    _ZN9__gnu_cxx18__exchange_and_add*;
+    _ZN9__gnu_cxx12__atomic_addEPVii;
+    _ZN9__gnu_cxx18__exchange_and_addEPVii;

are you sure that signature is always ok? I mean, in atomic_word.h for Sparc we have:

#ifdef __arch64__
 typedef long _Atomic_word;
#else
 typedef int _Atomic_word;
#endif

Paolo.

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