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6822204: volatile fences should prefer lock:addl to actual mfence instructions

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Reviewed-by: kvn, phh
This commit is contained in:
Tom Rodriguez 2009-03-26 14:31:45 -07:00
parent a5396e1107
commit 134debb0ba
20 changed files with 81 additions and 183 deletions
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2
hotspot/src/os_cpu/linux_sparc/vm/os_linux_sparc.hpp
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@ -29,13 +29,11 @@
static jint (*atomic_cmpxchg_func) (jint, volatile jint*, jint);
static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
static jint (*atomic_add_func) (jint, volatile jint*);
static void (*fence_func) ();
static jint atomic_xchg_bootstrap (jint, volatile jint*);
static jint atomic_cmpxchg_bootstrap (jint, volatile jint*, jint);
static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
static jint atomic_add_bootstrap (jint, volatile jint*);
static void fence_bootstrap ();
static void setup_fpu() {}